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<h1>selectionInterface.cpp</h1><a href="selectionInterface_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//==============================================</span>
<a name="l00002"></a>00002 <span class="comment">// copyright : (C) 2003-2005 by Will Stokes</span>
<a name="l00003"></a>00003 <span class="comment">//==============================================</span>
<a name="l00004"></a>00004 <span class="comment">// This program is free software; you can redistribute it </span>
<a name="l00005"></a>00005 <span class="comment">// and/or modify it under the terms of the GNU General </span>
<a name="l00006"></a>00006 <span class="comment">// Public License as published by the Free Software </span>
<a name="l00007"></a>00007 <span class="comment">// Foundation; either version 2 of the License, or </span>
<a name="l00008"></a>00008 <span class="comment">// (at your option) any later version. </span>
<a name="l00009"></a>00009 <span class="comment">//==============================================</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="comment">//Systemwide includes</span>
<a name="l00012"></a>00012 <span class="preprocessor">#include <qsize.h></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include <qapplication.h></span>
<a name="l00014"></a>00014 <span class="preprocessor">#include <qpainter.h></span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <qevent.h></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include <qpoint.h></span>
<a name="l00017"></a>00017 <span class="preprocessor">#include <qaccel.h></span>
<a name="l00018"></a>00018 <span class="preprocessor">#include <qcursor.h></span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="comment">//Projectwide includes</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="selectionInterface_8h.html">selectionInterface.h</a>"</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "../cursors.h"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "../../config.h"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "../../backend/tools/imageTools.h"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "../window.h"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "../../configuration/configuration.h"</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="comment">//a mouse press within DRAG_THRESHOLD will move corners or sides</span>
<a name="l00029"></a>00029 <span class="comment">//if mouse press is not within DRAG_THRESHOLD of any corner or side of</span>
<a name="l00030"></a>00030 <span class="comment">//current selection a new selection will be started and both press and drag points will be reset</span>
<a name="l00031"></a><a class="code" href="selectionInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">00031</a> <span class="preprocessor">#define DRAG_THRESHOLD 8</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>
<a name="l00033"></a>00033 <span class="comment">//a mouse press within MOVE_THRESHOLD of the center along both x and y axis will</span>
<a name="l00034"></a>00034 <span class="comment">//move the entier selection</span>
<a name="l00035"></a><a class="code" href="selectionInterface_8cpp.html#6c76ae0036c6680877f81b1ec54c432d">00035</a> <span class="preprocessor">#define MOVE_THRESHOLD 150</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span>
<a name="l00037"></a>00037 <span class="comment">//minimum size of a valid selection</span>
<a name="l00038"></a><a class="code" href="selectionInterface_8cpp.html#cac6acc8fbaa297f9b294178f4e7bdec">00038</a> <span class="preprocessor">#define MINIMUM_SELECTION_SIZE 3</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a>00040 <span class="comment">//==============================================</span>
<a name="l00041"></a><a class="code" href="classSelectionInterface.html#2dfb850749a192d9f5cfffe123133f62">00041</a> <a class="code" href="classSelectionInterface.html#2dfb850749a192d9f5cfffe123133f62" title="Creates layout.">SelectionInterface::SelectionInterface</a>(<a class="code" href="classQWidget.html">QWidget</a> *parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name ) : <a class="code" href="classQWidget.html">QWidget</a>(parent,name)
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043 <span class="comment">//avoid flicker when repainting</span>
<a name="l00044"></a>00044 setWFlags(WRepaintNoErase);
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="comment">//set default selection off screen</span>
<a name="l00047"></a>00047 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = QPoint(-1,-1);
<a name="l00048"></a>00048 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a> = QPoint(-1,-1);
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="comment">//by default mouse movement does not effect the current selection</span>
<a name="l00051"></a>00051 <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> = <a class="code" href="histogramInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a548126d587d43d3630c45cd091e095f7">NO_EFFECT</a>;
<a name="l00052"></a>00052 <a class="code" href="classSelectionInterface.html#bd7aa839bce0f660a061b11f1d9c545a" title="current mouse shape.">currentMouseShape</a> = <a class="code" href="histogramInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a548126d587d43d3630c45cd091e095f7">NO_EFFECT</a>;
<a name="l00053"></a>00053
<a name="l00054"></a>00054 QAccel *keyAccel = <span class="keyword">new</span> QAccel( <span class="keyword">this</span> );
<a name="l00055"></a>00055 keyAccel->connectItem( keyAccel->insertItem( CTRL + Key_A),
<a name="l00056"></a>00056 <span class="keyword">this</span>, SLOT(<a class="code" href="classSelectionInterface.html#4cb1299247f3cd673006896076ce9ee7" title="selects all of the image">selectAll</a>()) );
<a name="l00057"></a>00057 keyAccel->connectItem( keyAccel->insertItem( CTRL + SHIFT + Key_A ),
<a name="l00058"></a>00058 <span class="keyword">this</span>, SLOT(<a class="code" href="classSelectionInterface.html#31e54213a11768e60de29129ec8eaf7d" title="selects none of the image">selectNone</a>()) );
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="comment">//watch mouse movements in order to change mouse cursor</span>
<a name="l00061"></a>00061 setMouseTracking(<span class="keyword">true</span>);
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="comment">//accept focus when clicked on</span>
<a name="l00064"></a>00064 setFocusPolicy( QWidget::ClickFocus );
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="comment">//initialize cached mouse position to be offscreen by default</span>
<a name="l00067"></a>00067 <a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a> = QPoint(-1,-1);
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="comment">//no crop size by default</span>
<a name="l00070"></a>00070 <a class="code" href="classSelectionInterface.html#5e6a4c2f0898815bc0bdfd1d4dc27acf" title="Current crop max dimension (in inches).">cropMaxDimen</a> = -1.0;
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072 <span class="comment">//==============================================</span>
<a name="l00073"></a><a class="code" href="classSelectionInterface.html#578e3a06b3acaf23280e332bd892b7c9">00073</a> <a class="code" href="classSelectionInterface.html#578e3a06b3acaf23280e332bd892b7c9" title="Deletes objects.">SelectionInterface::~SelectionInterface</a>() { }
<a name="l00074"></a>00074 <span class="comment">//==============================================</span>
<a name="l00075"></a><a class="code" href="classSelectionInterface.html#39abdf30168c98a1e7c5720271616c17">00075</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#39abdf30168c98a1e7c5720271616c17" title="Updates displayed photo.">SelectionInterface::setPhoto</a>(QString imageFilename, <span class="keywordtype">bool</span> resetSelection)
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077 <span class="comment">//store original image filename</span>
<a name="l00078"></a>00078 <a class="code" href="classSelectionInterface.html#7056eadaa6eda51309efdfbd6820ae07" title="original image filename">origImageFilename</a> = imageFilename;
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="comment">//store original image dimensions</span>
<a name="l00081"></a>00081 <a class="code" href="imageTools_8cpp.html#2af7f0a9c4f931ad3213c36796e95288" title="Get image dimensions.">getImageSize</a>( <a class="code" href="classSelectionInterface.html#7056eadaa6eda51309efdfbd6820ae07" title="original image filename">origImageFilename</a>, <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a> );
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="comment">//resize image to current screen size for faster</span>
<a name="l00084"></a>00084 <span class="comment">//scaling during resize events</span>
<a name="l00085"></a>00085 QRect screenSize = qApp->desktop()->availableGeometry();
<a name="l00086"></a>00086 <a class="code" href="imageTools_8cpp.html#126e11984fb8124e78e3b1b68a24870c" title="Scale image and save copy to disk.">scaleImage</a>( <a class="code" href="classSelectionInterface.html#7056eadaa6eda51309efdfbd6820ae07" title="original image filename">origImageFilename</a>, <a class="code" href="classSelectionInterface.html#fc097267a3e91cc690a759bef66284da" title="Full screen version of image.">fullScreenImage</a>, screenSize.width(), screenSize.height() );
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="comment">//construct display images </span>
<a name="l00089"></a>00089 <a class="code" href="classSelectionInterface.html#9afbd6f6a4ae0969700961f2c157dbb0" title="construct scaled image and unselected images for drawing purposes">constructDisplayImages</a>();
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="comment">//reset selection area to nothing</span>
<a name="l00092"></a>00092 <span class="keywordflow">if</span>(resetSelection)
<a name="l00093"></a>00093 {
<a name="l00094"></a>00094 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = QPoint(-1,-1);
<a name="l00095"></a>00095 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a> = QPoint(-1,-1);
<a name="l00096"></a>00096 <a class="code" href="classSelectionInterface.html#5e6a4c2f0898815bc0bdfd1d4dc27acf" title="Current crop max dimension (in inches).">cropMaxDimen</a> = -1.0;
<a name="l00097"></a>00097 <a class="code" href="classSelectionInterface.html#97ea45c59f8ea01c79c0ca0251d1d1e9" title="state of SHIFT button, effects if mouse drags adjust or scale the current selection...">SHIFT_Pressed</a> = <span class="keyword">false</span>;
<a name="l00098"></a>00098 <a class="code" href="classSelectionInterface.html#ef136a71014e006a7cbb41af594d5eae" title="state of CTRL button, effects if mouse clicks rotate current selection">CTRL_Pressed</a> = <span class="keyword">false</span>;
<a name="l00099"></a>00099 emit <a class="code" href="classSelectionInterface.html#f011571f91fca578e58f0cc72bb64cde" title="emitted when the user changed the selected region">selectionChanged</a>();
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="comment">//repaint widget</span>
<a name="l00103"></a>00103 <span class="comment">//if we are resetting the selection then aspect ratio may have changed</span>
<a name="l00104"></a>00104 <span class="comment">//so a full repaint (with erase) is necessary</span>
<a name="l00105"></a>00105 repaint(resetSelection);
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 <span class="comment">//==============================================</span>
<a name="l00108"></a><a class="code" href="classSelectionInterface.html#88dc45268b4223361d3e35155938189a">00108</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#88dc45268b4223361d3e35155938189a">SelectionInterface::resizeEvent</a>( QResizeEvent * )
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 <span class="comment">//if image has yet to be set return</span>
<a name="l00111"></a>00111 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#fc097267a3e91cc690a759bef66284da" title="Full screen version of image.">fullScreenImage</a>.isNull() ) <span class="keywordflow">return</span>;
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="comment">//construct new images for painting</span>
<a name="l00114"></a>00114 <a class="code" href="classSelectionInterface.html#9afbd6f6a4ae0969700961f2c157dbb0" title="construct scaled image and unselected images for drawing purposes">constructDisplayImages</a>();
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116 <span class="comment">//==============================================</span>
<a name="l00117"></a><a class="code" href="classSelectionInterface.html#9afbd6f6a4ae0969700961f2c157dbb0">00117</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#9afbd6f6a4ae0969700961f2c157dbb0" title="construct scaled image and unselected images for drawing purposes">SelectionInterface::constructDisplayImages</a>()
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 <span class="comment">//rescale image to fit on screen</span>
<a name="l00120"></a>00120 <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a> = <a class="code" href="classSelectionInterface.html#fc097267a3e91cc690a759bef66284da" title="Full screen version of image.">fullScreenImage</a>.scale( <a class="code" href="blur_8cpp.html#2474a5474cbff19523a51eb1de01cda4">width</a>(), <a class="code" href="blur_8cpp.html#d12fc34ce789bce6c8a05d8a17138534">height</a>(), QImage::ScaleMin );
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="comment">//construct an unselected scaled image</span>
<a name="l00123"></a>00123 <a class="code" href="classSelectionInterface.html#c519facab9beb28096addc9adc3dcbef" title="Grayscale version of scaled image, used for drawing non-selected regions.">unselectedScaledImage</a> = <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.copy();
<a name="l00124"></a>00124 <span class="keywordtype">int</span> x, y;
<a name="l00125"></a>00125 QRgb* rgb;
<a name="l00126"></a>00126 uchar* scanLine;
<a name="l00127"></a>00127 <span class="keywordflow">for</span>( y=0; y<<a class="code" href="classSelectionInterface.html#c519facab9beb28096addc9adc3dcbef" title="Grayscale version of scaled image, used for drawing non-selected regions.">unselectedScaledImage</a>.height(); y++)
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 <span class="comment">//iterate over each selected pixel in scanline</span>
<a name="l00130"></a>00130 scanLine = <a class="code" href="classSelectionInterface.html#c519facab9beb28096addc9adc3dcbef" title="Grayscale version of scaled image, used for drawing non-selected regions.">unselectedScaledImage</a>.scanLine(y);
<a name="l00131"></a>00131 <span class="keywordflow">for</span>( x=0; x<<a class="code" href="classSelectionInterface.html#c519facab9beb28096addc9adc3dcbef" title="Grayscale version of scaled image, used for drawing non-selected regions.">unselectedScaledImage</a>.width(); x++)
<a name="l00132"></a>00132 {
<a name="l00133"></a>00133 <span class="comment">//compress dynamic range to 25% of original</span>
<a name="l00134"></a>00134 rgb = ((QRgb*)scanLine+x);
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="keywordtype">double</span> r = ((double)qRed(*rgb) )/255.0;
<a name="l00137"></a>00137 <span class="keywordtype">double</span> g = ((double)qGreen(*rgb) )/255.0;
<a name="l00138"></a>00138 <span class="keywordtype">double</span> <a class="code" href="jpegInternal_8h.html#f320905358fa78701e4cc60b6135601f">b</a> = ((double)qBlue(*rgb) )/255.0;
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="comment">//convert to hsv</span>
<a name="l00141"></a>00141 <span class="keywordtype">double</span> h,s,v;
<a name="l00142"></a>00142 <a class="code" href="imageTools_8cpp.html#7769c25727d6caedf20321d238b3828d" title="Convert a RGB color triplet to HSV.">RGBtoHSV</a>(r,g,b,&h,&s,&v);
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="comment">//scale and clamp v</span>
<a name="l00145"></a>00145 v*=0.25;
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="comment">//convert adjusted color back to rgb colorspace and clamp</span>
<a name="l00148"></a>00148 <a class="code" href="imageTools_8cpp.html#a4ea508b635b1a7648bb5834132d4681" title="Convert a HSV color triplet to RGB.">HSVtoRGB</a>( &r,&g,&b, h,s,v);
<a name="l00149"></a>00149 <span class="keywordtype">int</span> rp = (int) QMIN( QMAX((r*255), 0), 255 );
<a name="l00150"></a>00150 <span class="keywordtype">int</span> gp = (int) QMIN( QMAX((g*255), 0), 255 );
<a name="l00151"></a>00151 <span class="keywordtype">int</span> bp = (int) QMIN( QMAX((b*255), 0), 255 );
<a name="l00152"></a>00152
<a name="l00153"></a>00153 <span class="comment">//set adjusted color value</span>
<a name="l00154"></a>00154 *rgb = qRgb(rp,gp,bp);
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157
<a name="l00158"></a>00158
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160 <span class="comment">//==============================================</span>
<a name="l00161"></a><a class="code" href="classSelectionInterface.html#7b3e22a22f55253e63cf3c2fc0380032">00161</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#7b3e22a22f55253e63cf3c2fc0380032">SelectionInterface::paintEvent</a>(QPaintEvent *e)
<a name="l00162"></a>00162 {
<a name="l00163"></a>00163 <span class="comment">//if no scaled image just return</span>
<a name="l00164"></a>00164 <span class="keywordflow">if</span>(<a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.isNull()) { <span class="keywordflow">return</span>; }
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="comment">//create buffer to draw in</span>
<a name="l00167"></a>00167 QRect rct = rect();
<a name="l00168"></a>00168 rct.moveBy(-x(), -y());
<a name="l00169"></a>00169 QPixmap <a class="code" href="blur_8cpp.html#fa761c0753ecc94346e155a39bd9ed9c">buffer</a>( size() );
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <span class="comment">//create a painter pointing to the buffer</span>
<a name="l00172"></a>00172 QPainter bufferPainter( &buffer );
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="comment">//turn off clipping to make painting operations faster</span>
<a name="l00175"></a>00175 bufferPainter.setClipping(<span class="keyword">false</span>);
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="comment">//initialize buffer with background brush</span>
<a name="l00178"></a>00178 bufferPainter.fillRect( buffer.rect(), backgroundBrush() );
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="comment">//paint the image</span>
<a name="l00181"></a>00181 <span class="keywordtype">int</span> xOffset = (<a class="code" href="blur_8cpp.html#2474a5474cbff19523a51eb1de01cda4">width</a>() - <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width()) / 2;
<a name="l00182"></a>00182 <span class="keywordtype">int</span> yOffset = (<a class="code" href="blur_8cpp.html#d12fc34ce789bce6c8a05d8a17138534">height</a>() - <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.height()) / 2;
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="comment">//if in draw line mode paint the image normall and then the currently selected line</span>
<a name="l00185"></a>00185 <span class="comment">//if the two points are set</span>
<a name="l00186"></a>00186 <span class="keywordflow">if</span>(<a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a5954399bca0721034821960b20a18dce">DRAW_LINE</a>)
<a name="l00187"></a>00187 {
<a name="l00188"></a>00188 <span class="comment">//paint entire image normally</span>
<a name="l00189"></a>00189 bufferPainter.drawImage( QPoint(xOffset, yOffset), <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a> );
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <span class="comment">//if the first and 2nd points have been set draw the line as well</span>
<a name="l00192"></a>00192 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() != -1 &&
<a name="l00193"></a>00193 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() != -1 )
<a name="l00194"></a>00194 {
<a name="l00195"></a>00195 <span class="comment">//get points in display space</span>
<a name="l00196"></a>00196 QPoint p1, p2;
<a name="l00197"></a>00197 p1 = <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>( <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> );
<a name="l00198"></a>00198 p2 = <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a> );
<a name="l00199"></a>00199
<a name="l00200"></a>00200 <span class="comment">//setup painter to use green color</span>
<a name="l00201"></a>00201 QPen pen;
<a name="l00202"></a>00202 pen.setStyle( Qt::SolidLine );
<a name="l00203"></a>00203 pen.setCapStyle( Qt::RoundCap );
<a name="l00204"></a>00204 pen.setWidth( 2 );
<a name="l00205"></a>00205 pen.setColor( green );
<a name="l00206"></a>00206 bufferPainter.setPen( pen);
<a name="l00207"></a>00207
<a name="l00208"></a>00208 <span class="comment">//draw line</span>
<a name="l00209"></a>00209 bufferPainter.drawLine( p1.x(), p1.y(), p2.x(), p2.y() );
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211 }
<a name="l00212"></a>00212 <span class="comment">//else we're in normal selection mode</span>
<a name="l00213"></a>00213 <span class="keywordflow">else</span>
<a name="l00214"></a>00214 {
<a name="l00215"></a>00215 <span class="comment">//if selected region is empty paint entire image in color</span>
<a name="l00216"></a>00216 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() == -1 ||
<a name="l00217"></a>00217 (
<a name="l00218"></a>00218 <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="histogramInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a548126d587d43d3630c45cd091e095f7">NO_EFFECT</a> &&
<a name="l00219"></a>00219 (
<a name="l00220"></a>00220 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() - <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() == 0 ||
<a name="l00221"></a>00221 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() - <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() == 0
<a name="l00222"></a>00222 )
<a name="l00223"></a>00223 ))
<a name="l00224"></a>00224 {
<a name="l00225"></a>00225 bufferPainter.drawImage( QPoint(xOffset, yOffset), <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a> );
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227 <span class="comment">//otherwise paint using a two-pass approach,</span>
<a name="l00228"></a>00228 <span class="comment">//first in monochrome and then the selected region in color</span>
<a name="l00229"></a>00229 <span class="keywordflow">else</span>
<a name="l00230"></a>00230 {
<a name="l00231"></a>00231 <span class="comment">//first paint using unselected coloring</span>
<a name="l00232"></a>00232 bufferPainter.drawImage( QPoint(xOffset, yOffset), <a class="code" href="classSelectionInterface.html#c519facab9beb28096addc9adc3dcbef" title="Grayscale version of scaled image, used for drawing non-selected regions.">unselectedScaledImage</a> );
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <span class="comment">//construct topLeft and bottomRight points to make logic easier</span>
<a name="l00235"></a>00235 QPoint <a class="code" href="redEye__internal_8h.html#6a9aebec61b1a6732045c187a6156f4f">topLeft</a>( QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()),
<a name="l00236"></a>00236 QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l00237"></a>00237 QPoint <a class="code" href="redEye__internal_8h.html#75e80edb449bc9a0925be60719132bd0">bottomRight</a>( QMAX(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()),
<a name="l00238"></a>00238 QMAX(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="comment">//convert coordinates from original image space to display space</span>
<a name="l00241"></a>00241 topLeft = <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>( topLeft );
<a name="l00242"></a>00242 bottomRight = <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>( bottomRight );
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="comment">//now paint selected region in color</span>
<a name="l00245"></a>00245 bufferPainter.drawImage( topLeft.x(),
<a name="l00246"></a>00246 topLeft.y(),
<a name="l00247"></a>00247 <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>,
<a name="l00248"></a>00248 topLeft.x()-xOffset, topLeft.y()-yOffset,
<a name="l00249"></a>00249 bottomRight.x() - topLeft.x(),
<a name="l00250"></a>00250 bottomRight.y() - topLeft.y() );
<a name="l00251"></a>00251
<a name="l00252"></a>00252 <span class="comment">//determine color for painting selection rectangle and dimensions</span>
<a name="l00253"></a>00253 <span class="comment">//use gray/white if cropping to a custom size (and thus real world dimensions</span>
<a name="l00254"></a>00254 <span class="comment">//are not known). If the crop size is known (eg 5"x7") use green if above</span>
<a name="l00255"></a>00255 <span class="comment">//resolution is great enough, otherwise use red to indicate that cropping to</span>
<a name="l00256"></a>00256 <span class="comment">//the specified size will result in pixelation during printing</span>
<a name="l00257"></a>00257 QPen pen;
<a name="l00258"></a>00258 QColor selectionColor = gray;
<a name="l00259"></a>00259 QColor textColor = white;
<a name="l00260"></a>00260 <span class="keywordtype">int</span> selectedWidth = QABS( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() - <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() ) + 1;
<a name="l00261"></a>00261 <span class="keywordtype">int</span> selectedHeight = QABS( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() - <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() ) + 1;
<a name="l00262"></a>00262 <span class="keywordflow">if</span>(selectedWidth == 1) selectedWidth = 0;
<a name="l00263"></a>00263 <span class="keywordflow">if</span>(selectedHeight == 1) selectedHeight = 0;
<a name="l00264"></a>00264
<a name="l00265"></a>00265 <span class="keywordtype">int</span> DPI = -1;
<a name="l00266"></a>00266 <span class="keywordtype">int</span> minDPI = -1;
<a name="l00267"></a>00267 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#5e6a4c2f0898815bc0bdfd1d4dc27acf" title="Current crop max dimension (in inches).">cropMaxDimen</a> != -1.0 )
<a name="l00268"></a>00268 {
<a name="l00269"></a>00269 <span class="comment">//compute DPI that will be used in dominant direction</span>
<a name="l00270"></a>00270 <span class="keywordtype">int</span> maxDimen = QMAX( selectedWidth, selectedHeight );
<a name="l00271"></a>00271 DPI = (int) (maxDimen / <a class="code" href="classSelectionInterface.html#5e6a4c2f0898815bc0bdfd1d4dc27acf" title="Current crop max dimension (in inches).">cropMaxDimen</a>);
<a name="l00272"></a>00272
<a name="l00273"></a>00273 <span class="comment">//if DPI is below minimum use red color for selection rectangle to indicate pixalation may occur</span>
<a name="l00274"></a>00274 minDPI = ((<a class="code" href="classWindow.html" title="Top level widget, encapsulates the title widget, the layout widget, and the toolbar...">Window</a>*)qApp->mainWidget())->getConfig()->getInt( <span class="stringliteral">"misc"</span>, <span class="stringliteral">"minDPI"</span> );
<a name="l00275"></a>00275 <span class="keywordflow">if</span>( DPI < minDPI )
<a name="l00276"></a>00276 { selectionColor = QColor( 200, 0, 0 ); }
<a name="l00277"></a>00277 <span class="comment">//otherwise use green to signal cropping to this size is safe</span>
<a name="l00278"></a>00278 <span class="keywordflow">else</span> { selectionColor = QColor( 0, 200, 0 ); }
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280 pen.setStyle( Qt::SolidLine );
<a name="l00281"></a>00281 pen.setWidth( 2 );
<a name="l00282"></a>00282 bufferPainter.setPen( pen);
<a name="l00283"></a>00283
<a name="l00284"></a>00284 <span class="comment">//paint selection size in lower right corner of selected area</span>
<a name="l00285"></a>00285 QString selectionText;
<a name="l00286"></a>00286 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#5e6a4c2f0898815bc0bdfd1d4dc27acf" title="Current crop max dimension (in inches).">cropMaxDimen</a> != -1.0 &&
<a name="l00287"></a>00287 DPI < minDPI )
<a name="l00288"></a>00288 selectionText = QString(<span class="stringliteral">"%1 x %2 (DPI: %3!)"</span>).arg(selectedWidth).arg(selectedHeight).arg(DPI);
<a name="l00289"></a>00289 <span class="keywordflow">else</span>
<a name="l00290"></a>00290 selectionText = QString(<span class="stringliteral">"%1 x %2"</span>).arg(selectedWidth).arg(selectedHeight);
<a name="l00291"></a>00291
<a name="l00292"></a>00292 QFontMetrics fm( this->font() );
<a name="l00293"></a>00293 <span class="keywordtype">int</span> stringWidth = fm.width(selectionText);
<a name="l00294"></a>00294 <span class="keywordtype">int</span> stringHeight = fm.ascent();
<a name="l00295"></a>00295
<a name="l00296"></a>00296 <span class="keywordtype">int</span> textX = 0;
<a name="l00297"></a>00297 <span class="keywordtype">int</span> textY = 0;
<a name="l00298"></a>00298 <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="presentationWidget_8cpp.html#5b2e04a7d65c6182ea7378b3647b3300">TEXT_MARGIN</a> = 4;
<a name="l00299"></a>00299 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() > <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )
<a name="l00300"></a>00300 {
<a name="l00301"></a>00301 textX = QMIN( xOffset + <a class="code" href="classSelectionInterface.html#c519facab9beb28096addc9adc3dcbef" title="Grayscale version of scaled image, used for drawing non-selected regions.">unselectedScaledImage</a>.width() - TEXT_MARGIN - stringWidth,
<a name="l00302"></a>00302 bottomRight.x() + TEXT_MARGIN );
<a name="l00303"></a>00303 }
<a name="l00304"></a>00304 <span class="keywordflow">else</span>
<a name="l00305"></a>00305 {
<a name="l00306"></a>00306 textX = QMAX( xOffset + TEXT_MARGIN,
<a name="l00307"></a>00307 topLeft.x() - TEXT_MARGIN - stringWidth );
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309
<a name="l00310"></a>00310 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() > <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )
<a name="l00311"></a>00311 {
<a name="l00312"></a>00312 textY = QMIN( yOffset + <a class="code" href="classSelectionInterface.html#c519facab9beb28096addc9adc3dcbef" title="Grayscale version of scaled image, used for drawing non-selected regions.">unselectedScaledImage</a>.height() - TEXT_MARGIN,
<a name="l00313"></a>00313 bottomRight.y() + TEXT_MARGIN + stringHeight);
<a name="l00314"></a>00314 }
<a name="l00315"></a>00315 <span class="keywordflow">else</span>
<a name="l00316"></a>00316 {
<a name="l00317"></a>00317 textY = QMAX( yOffset + TEXT_MARGIN + stringHeight,
<a name="l00318"></a>00318 topLeft.y() - TEXT_MARGIN );
<a name="l00319"></a>00319 }
<a name="l00320"></a>00320
<a name="l00321"></a>00321 <span class="comment">//paint a thin outline around the selection</span>
<a name="l00322"></a>00322 pen.setColor( selectionColor );
<a name="l00323"></a>00323 bufferPainter.setPen( pen);
<a name="l00324"></a>00324 QRect selection( topLeft, bottomRight );
<a name="l00325"></a>00325 bufferPainter.drawRect(selection);
<a name="l00326"></a>00326
<a name="l00327"></a>00327 <span class="comment">//paint image under selected dimension using selected coloring to help make it more visible</span>
<a name="l00328"></a>00328 bufferPainter.drawImage( textX, textY-stringHeight,
<a name="l00329"></a>00329 <a class="code" href="classSelectionInterface.html#c519facab9beb28096addc9adc3dcbef" title="Grayscale version of scaled image, used for drawing non-selected regions.">unselectedScaledImage</a>,
<a name="l00330"></a>00330 textX - xOffset, textY-stringHeight-yOffset,
<a name="l00331"></a>00331 stringWidth, fm.height() );
<a name="l00332"></a>00332
<a name="l00333"></a>00333
<a name="l00334"></a>00334 <span class="comment">//paint selected dimensions </span>
<a name="l00335"></a>00335 pen.setColor( textColor );
<a name="l00336"></a>00336 bufferPainter.setPen( pen);
<a name="l00337"></a>00337 bufferPainter.drawText( textX, textY, selectionText );
<a name="l00338"></a>00338 }
<a name="l00339"></a>00339 }
<a name="l00340"></a>00340
<a name="l00341"></a>00341 bufferPainter.end();
<a name="l00342"></a>00342
<a name="l00343"></a>00343 <span class="comment">//blit buffer to screen</span>
<a name="l00344"></a>00344 bitBlt( <span class="keyword">this</span>,
<a name="l00345"></a>00345 e->rect().x(), e->rect().y(),
<a name="l00346"></a>00346 &buffer,
<a name="l00347"></a>00347 e->rect().x(), e->rect().y(),
<a name="l00348"></a>00348 e->rect().width(), e->rect().height() );
<a name="l00349"></a>00349 }
<a name="l00350"></a>00350 <span class="comment">//==============================================</span>
<a name="l00351"></a><a class="code" href="classSelectionInterface.html#8ee066a50b6de070535873677d346697">00351</a> <a class="code" href="histogramInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a" title="current drag mode, effect of mouse movement on selected range">DRAG_MODE</a> <a class="code" href="classSelectionInterface.html#8ee066a50b6de070535873677d346697" title="determine action based on mouse position">SelectionInterface::mouseActionByPosition</a>(QPoint p)
<a name="l00352"></a>00352 {
<a name="l00353"></a>00353 <span class="comment">//If SHIFT_Pressed is set then scaling a selection</span>
<a name="l00354"></a>00354 <span class="keywordflow">if</span>(<a class="code" href="classSelectionInterface.html#97ea45c59f8ea01c79c0ca0251d1d1e9" title="state of SHIFT button, effects if mouse drags adjust or scale the current selection...">SHIFT_Pressed</a>) { <span class="keywordflow">return</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88acc904eda209d99e32cd4ca422e821d4b">SCALE_SELECTION</a>; }
<a name="l00355"></a>00355
<a name="l00356"></a>00356 <span class="comment">//construct topLeft and bottomRight points to make logic easier</span>
<a name="l00357"></a>00357 QPoint <a class="code" href="redEye__internal_8h.html#6a9aebec61b1a6732045c187a6156f4f">topLeft</a>( QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()),
<a name="l00358"></a>00358 QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l00359"></a>00359 QPoint <a class="code" href="redEye__internal_8h.html#75e80edb449bc9a0925be60719132bd0">bottomRight</a>( QMAX(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()),
<a name="l00360"></a>00360 QMAX(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l00361"></a>00361
<a name="l00362"></a>00362 <span class="comment">//convert selelection bounary to display space since thresholds are all in display space</span>
<a name="l00363"></a>00363 topLeft = <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>( topLeft );
<a name="l00364"></a>00364 bottomRight = <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>( bottomRight );
<a name="l00365"></a>00365
<a name="l00366"></a>00366 <span class="comment">//compute selection center</span>
<a name="l00367"></a>00367 QPoint center( (topLeft.x() + bottomRight.x()) / 2,
<a name="l00368"></a>00368 (topLeft.y() + bottomRight.y()) / 2);
<a name="l00369"></a>00369
<a name="l00370"></a>00370 <span class="comment">//if pointer is not over image no effect will occur when clicking</span>
<a name="l00371"></a>00371 <span class="keywordtype">int</span> xOffset = (<a class="code" href="blur_8cpp.html#2474a5474cbff19523a51eb1de01cda4">width</a>() - <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width() ) / 2;
<a name="l00372"></a>00372 <span class="keywordtype">int</span> yOffset = (<a class="code" href="blur_8cpp.html#d12fc34ce789bce6c8a05d8a17138534">height</a>() - <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.height() ) / 2;
<a name="l00373"></a>00373 <span class="keywordflow">if</span>(p.x() < xOffset || p.x() >= <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width() + xOffset ||
<a name="l00374"></a>00374 p.y() < yOffset || p.y() >= <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.height() + yOffset )
<a name="l00375"></a>00375 { <span class="keywordflow">return</span> <a class="code" href="histogramInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a548126d587d43d3630c45cd091e095f7">NO_EFFECT</a>; }
<a name="l00376"></a>00376
<a name="l00377"></a>00377 <span class="comment">//if either there is no selection or the entire image is selected, new</span>
<a name="l00378"></a>00378 <span class="comment">//mouse clicks are interpreted as being for selecting new regions</span>
<a name="l00379"></a>00379 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() == -1 ||
<a name="l00380"></a>00380 ( bottomRight.x() - topLeft.x() == <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width() - 1 &&
<a name="l00381"></a>00381 bottomRight.y() - topLeft.y() == <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height() - 1 )
<a name="l00382"></a>00382 )
<a name="l00383"></a>00383 { <span class="keywordflow">return</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a5238982f3df49c5f17346a3986c8ae29">DRAW_SELECTION</a>; }
<a name="l00384"></a>00384 <span class="comment">//move entire selection</span>
<a name="l00385"></a>00385 <span class="comment">//mouse is within MOVE_THRESH of center and outside</span>
<a name="l00386"></a>00386 <span class="comment">//DRAG_THRESH of any side</span>
<a name="l00387"></a>00387 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( p.x() >= QMAX( center.x() - <a class="code" href="selectionInterface_8cpp.html#6c76ae0036c6680877f81b1ec54c432d">MOVE_THRESHOLD</a>, topLeft.x() ) &&
<a name="l00388"></a>00388 p.x() <= QMIN( center.x() + <a class="code" href="selectionInterface_8cpp.html#6c76ae0036c6680877f81b1ec54c432d">MOVE_THRESHOLD</a>, bottomRight.x() ) &&
<a name="l00389"></a>00389 p.y() >= QMAX( center.y() - <a class="code" href="selectionInterface_8cpp.html#6c76ae0036c6680877f81b1ec54c432d">MOVE_THRESHOLD</a>, topLeft.y() ) &&
<a name="l00390"></a>00390 p.y() <= QMIN( center.y() + <a class="code" href="selectionInterface_8cpp.html#6c76ae0036c6680877f81b1ec54c432d">MOVE_THRESHOLD</a>, bottomRight.y() ) &&
<a name="l00391"></a>00391 p.x() > topLeft.x() + <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> &&
<a name="l00392"></a>00392 p.x() < bottomRight.x() - <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> &&
<a name="l00393"></a>00393 p.y() > topLeft.y() + <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> &&
<a name="l00394"></a>00394 p.y() < bottomRight.y() - <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> )
<a name="l00395"></a>00395 { <span class="keywordflow">return</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a8c922f8e7228a9e9a62d1cdc03a2292d">MOVE_SELECTION</a>; }
<a name="l00396"></a>00396 <span class="comment">//drag top left</span>
<a name="l00397"></a>00397 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( QABS(topLeft.x() - p.x()) <= <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> &&
<a name="l00398"></a>00398 QABS(topLeft.y() - p.y()) <= <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> )
<a name="l00399"></a>00399 { <span class="keywordflow">return</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88ac111d0726f85ac68d93c939352a0b5b2">MOVE_TOP_LEFT_CORNER</a>; }
<a name="l00400"></a>00400 <span class="comment">//drag top right </span>
<a name="l00401"></a>00401 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( QABS(bottomRight.x() - p.x()) <= <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> &&
<a name="l00402"></a>00402 QABS(topLeft.y() - p.y()) <= <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> )
<a name="l00403"></a>00403 { <span class="keywordflow">return</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a41945bd31001e8c5430c604d91812744">MOVE_TOP_RIGHT_CORNER</a>; }
<a name="l00404"></a>00404 <span class="comment">//drag bottom left </span>
<a name="l00405"></a>00405 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( QABS(topLeft.x() - p.x()) <= <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> &&
<a name="l00406"></a>00406 QABS(bottomRight.y() - p.y()) <= <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> )
<a name="l00407"></a>00407 { <span class="keywordflow">return</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88ac57bcfc0420c5a58391030418137b93a">MOVE_BOTTOM_LEFT_CORNER</a>; }
<a name="l00408"></a>00408 <span class="comment">//drag bottom right</span>
<a name="l00409"></a>00409 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( QABS(bottomRight.x() - p.x()) <= <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> &&
<a name="l00410"></a>00410 QABS(bottomRight.y() - p.y()) <= <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> )
<a name="l00411"></a>00411 { <span class="keywordflow">return</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a3a69ee708e793f8ad72095ed72fa5ba9">MOVE_BOTTOM_RIGHT_CORNER</a>; }
<a name="l00412"></a>00412 <span class="comment">//drag left</span>
<a name="l00413"></a>00413 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( QABS(topLeft.x() - p.x()) <= <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> &&
<a name="l00414"></a>00414 p.y() >= topLeft.y() &&
<a name="l00415"></a>00415 p.y() <= bottomRight.y() )
<a name="l00416"></a>00416 { <span class="keywordflow">return</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a9924e665aba55813904245527e0b00d5">MOVE_LEFT_SIDE</a>; }
<a name="l00417"></a>00417 <span class="comment">//drag right</span>
<a name="l00418"></a>00418 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( QABS(bottomRight.x() - p.x()) <= <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> &&
<a name="l00419"></a>00419 p.y() >= topLeft.y() &&
<a name="l00420"></a>00420 p.y() <= bottomRight.y() )
<a name="l00421"></a>00421 { <span class="keywordflow">return</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a7cf76b8e7a5897ea45764e98a364fd59">MOVE_RIGHT_SIDE</a>; }
<a name="l00422"></a>00422 <span class="comment">//drag top</span>
<a name="l00423"></a>00423 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( QABS(topLeft.y() - p.y()) <= <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> &&
<a name="l00424"></a>00424 p.x() >= topLeft.x() &&
<a name="l00425"></a>00425 p.x() <= bottomRight.x() )
<a name="l00426"></a>00426 { <span class="keywordflow">return</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a2bc5889c098b02030346c7d6d7a4e336">MOVE_TOP_SIDE</a>; }
<a name="l00427"></a>00427 <span class="comment">//drag bottom</span>
<a name="l00428"></a>00428 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( QABS(bottomRight.y() - p.y()) <= <a class="code" href="histogramInterface_8cpp.html#dbab52be17168e6914dd8ab79ce5fcd2">DRAG_THRESHOLD</a> &&
<a name="l00429"></a>00429 p.x() >= topLeft.x() &&
<a name="l00430"></a>00430 p.x() <= bottomRight.x() )
<a name="l00431"></a>00431 { <span class="keywordflow">return</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a6b921e322b55cd49085cacf6feffddf1">MOVE_BOTTOM_SIDE</a>; }
<a name="l00432"></a>00432 <span class="comment">//else new selection</span>
<a name="l00433"></a>00433 <span class="keywordflow">else</span> { <span class="keywordflow">return</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a5238982f3df49c5f17346a3986c8ae29">DRAW_SELECTION</a>; }
<a name="l00434"></a>00434 }
<a name="l00435"></a>00435 <span class="comment">//==============================================</span>
<a name="l00436"></a><a class="code" href="classSelectionInterface.html#8e4d0cf7709ef879fed0f6f521180ebb">00436</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#8e4d0cf7709ef879fed0f6f521180ebb">SelectionInterface::mousePressEvent</a>(QMouseEvent *e)
<a name="l00437"></a>00437 {
<a name="l00438"></a>00438 <span class="comment">//If CTRL pressed then emit ctrlClick event</span>
<a name="l00439"></a>00439 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#ef136a71014e006a7cbb41af594d5eae" title="state of CTRL button, effects if mouse clicks rotate current selection">CTRL_Pressed</a>)
<a name="l00440"></a>00440 {
<a name="l00441"></a>00441 emit <a class="code" href="classSelectionInterface.html#0904747f2cb99739872f857445e7d8cf" title="emitted when a user CTRL-clicks a selection indicating the selection needs to be...">ctrlClick</a>();
<a name="l00442"></a>00442 <span class="keywordflow">return</span>;
<a name="l00443"></a>00443 }
<a name="l00444"></a>00444
<a name="l00445"></a>00445 <span class="comment">//get mouse position in original image coordinates</span>
<a name="l00446"></a>00446 QPoint p = <a class="code" href="classSelectionInterface.html#6514ae36e98ae2bfecfe227ad17e8b74" title="converts a point from display coordinates to original image coordinates">ConvertDisplayToImageCoordinate</a>( e->pos() );
<a name="l00447"></a>00447
<a name="l00448"></a>00448 <span class="comment">//in draw line mode a mouse press has not immediate effect, </span>
<a name="l00449"></a>00449 <span class="comment">//mouse release is how a point is finally selected</span>
<a name="l00450"></a>00450 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a5954399bca0721034821960b20a18dce">DRAW_LINE</a> )
<a name="l00451"></a>00451 { <span class="keywordflow">return</span>; }
<a name="l00452"></a>00452
<a name="l00453"></a>00453 <span class="comment">//construct topLeft and bottomRight points to make logic easier</span>
<a name="l00454"></a>00454 QPoint <a class="code" href="redEye__internal_8h.html#6a9aebec61b1a6732045c187a6156f4f">topLeft</a>( QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()),
<a name="l00455"></a>00455 QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l00456"></a>00456 QPoint <a class="code" href="redEye__internal_8h.html#75e80edb449bc9a0925be60719132bd0">bottomRight</a>( QMAX(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()),
<a name="l00457"></a>00457 QMAX(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l00458"></a>00458
<a name="l00459"></a>00459 <span class="comment">//determine action mouse click will cause</span>
<a name="l00460"></a>00460 <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> = <a class="code" href="classSelectionInterface.html#8ee066a50b6de070535873677d346697" title="determine action based on mouse position">mouseActionByPosition</a>(e->pos());
<a name="l00461"></a>00461
<a name="l00462"></a>00462 <span class="keywordflow">switch</span>(<a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a>)
<a name="l00463"></a>00463 {
<a name="l00464"></a>00464 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a5238982f3df49c5f17346a3986c8ae29">DRAW_SELECTION</a>:
<a name="l00465"></a>00465 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = p;
<a name="l00466"></a>00466 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a> = p;
<a name="l00467"></a>00467 <a class="code" href="classSelectionInterface.html#5e6a4c2f0898815bc0bdfd1d4dc27acf" title="Current crop max dimension (in inches).">cropMaxDimen</a> = -1.0;
<a name="l00468"></a>00468 emit <a class="code" href="classSelectionInterface.html#5c7725a9ca79ffe13cc5966378de86fe" title="emitted when the user changed the aspect ratio of the selected region">aspectRatioChanged</a>();
<a name="l00469"></a>00469 <span class="keywordflow">break</span>;
<a name="l00470"></a>00470 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a8c922f8e7228a9e9a62d1cdc03a2292d">MOVE_SELECTION</a>:
<a name="l00471"></a>00471 <span class="comment">//nothing done until mouse moves</span>
<a name="l00472"></a>00472 <span class="keywordflow">break</span>;
<a name="l00473"></a>00473 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88ac111d0726f85ac68d93c939352a0b5b2">MOVE_TOP_LEFT_CORNER</a>:
<a name="l00474"></a>00474 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = bottomRight;
<a name="l00475"></a>00475 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a> = topLeft;
<a name="l00476"></a>00476 <span class="keywordflow">break</span>;
<a name="l00477"></a>00477 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a3a69ee708e793f8ad72095ed72fa5ba9">MOVE_BOTTOM_RIGHT_CORNER</a>:
<a name="l00478"></a>00478 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = topLeft;
<a name="l00479"></a>00479 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a> = bottomRight;
<a name="l00480"></a>00480 <span class="keywordflow">break</span>;
<a name="l00481"></a>00481 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a41945bd31001e8c5430c604d91812744">MOVE_TOP_RIGHT_CORNER</a>:
<a name="l00482"></a>00482 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = QPoint( topLeft.x(), bottomRight.y() );
<a name="l00483"></a>00483 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a> = QPoint( bottomRight.x(), topLeft.y() );
<a name="l00484"></a>00484 <span class="keywordflow">break</span>;
<a name="l00485"></a>00485 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88ac57bcfc0420c5a58391030418137b93a">MOVE_BOTTOM_LEFT_CORNER</a>:
<a name="l00486"></a>00486 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = QPoint( bottomRight.x(), topLeft.y() );
<a name="l00487"></a>00487 mouseDragPoint = QPoint( topLeft.x(), bottomRight.y() );
<a name="l00488"></a>00488 <span class="keywordflow">break</span>;
<a name="l00489"></a>00489 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a9924e665aba55813904245527e0b00d5">MOVE_LEFT_SIDE</a>:
<a name="l00490"></a>00490 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = bottomRight;
<a name="l00491"></a>00491 mouseDragPoint = topLeft;
<a name="l00492"></a>00492 <span class="keywordflow">break</span>;
<a name="l00493"></a>00493 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a7cf76b8e7a5897ea45764e98a364fd59">MOVE_RIGHT_SIDE</a>:
<a name="l00494"></a>00494 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = topLeft;
<a name="l00495"></a>00495 mouseDragPoint = bottomRight;
<a name="l00496"></a>00496 <span class="keywordflow">break</span>;
<a name="l00497"></a>00497 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a2bc5889c098b02030346c7d6d7a4e336">MOVE_TOP_SIDE</a>:
<a name="l00498"></a>00498 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = bottomRight;
<a name="l00499"></a>00499 mouseDragPoint = topLeft;
<a name="l00500"></a>00500 <span class="keywordflow">break</span>;
<a name="l00501"></a>00501 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a6b921e322b55cd49085cacf6feffddf1">MOVE_BOTTOM_SIDE</a>:
<a name="l00502"></a>00502 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = topLeft;
<a name="l00503"></a>00503 mouseDragPoint = bottomRight;
<a name="l00504"></a>00504 <span class="keywordflow">break</span>;
<a name="l00505"></a>00505 <span class="comment">//no effect</span>
<a name="l00506"></a>00506 <span class="keywordflow">default</span>:
<a name="l00507"></a>00507 <span class="keywordflow">return</span>;
<a name="l00508"></a>00508 }
<a name="l00509"></a>00509
<a name="l00510"></a>00510 <span class="comment">//repaint the selection </span>
<a name="l00511"></a>00511 repaint(<span class="keyword">false</span>);
<a name="l00512"></a>00512 emit <a class="code" href="classSelectionInterface.html#f011571f91fca578e58f0cc72bb64cde" title="emitted when the user changed the selected region">selectionChanged</a>();
<a name="l00513"></a>00513 }
<a name="l00514"></a>00514 <span class="comment">//==============================================</span>
<a name="l00515"></a><a class="code" href="classSelectionInterface.html#847638350fc4396f4f0c3cef10d37394">00515</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#847638350fc4396f4f0c3cef10d37394" title="update mouse cursor based on position over widget and selected region">SelectionInterface::updateCursorShape</a>( QPoint rawP )
<a name="l00516"></a>00516 {
<a name="l00517"></a>00517 <span class="comment">//if resizing a selection always use size all cursor</span>
<a name="l00518"></a>00518 <span class="keywordflow">if</span>(<a class="code" href="classSelectionInterface.html#97ea45c59f8ea01c79c0ca0251d1d1e9" title="state of SHIFT button, effects if mouse drags adjust or scale the current selection...">SHIFT_Pressed</a>)
<a name="l00519"></a>00519 {
<a name="l00520"></a>00520 setCursor( <a class="code" href="cursors_8cpp.html#8d89fd03db7e35090175ec42e8af8f3f">getCursor</a>(<a class="code" href="cursors_8h.html#384a874a43b4618a4c20506728f1c6470e8b329bab8d2e425993ca936df878ea">SCALE_SELECTION_CURSOR</a>) );
<a name="l00521"></a>00521 <span class="keywordflow">return</span>;
<a name="l00522"></a>00522 }
<a name="l00523"></a>00523
<a name="l00524"></a>00524 <span class="comment">//if ctrl pressed show rotate selection cursor </span>
<a name="l00525"></a>00525 <span class="keywordflow">if</span>(<a class="code" href="classSelectionInterface.html#ef136a71014e006a7cbb41af594d5eae" title="state of CTRL button, effects if mouse clicks rotate current selection">CTRL_Pressed</a>)
<a name="l00526"></a>00526 {
<a name="l00527"></a>00527 setCursor( <a class="code" href="cursors_8cpp.html#8d89fd03db7e35090175ec42e8af8f3f">getCursor</a>(<a class="code" href="cursors_8h.html#384a874a43b4618a4c20506728f1c6472db329c6bb1f6299b9b2eabfa395c29f">ROTATE_CURSOR</a>) );
<a name="l00528"></a>00528 <span class="keywordflow">return</span>;
<a name="l00529"></a>00529 }
<a name="l00530"></a>00530
<a name="l00531"></a>00531 <span class="comment">//if selecting a line the cursor is always the same</span>
<a name="l00532"></a>00532 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a5954399bca0721034821960b20a18dce">DRAW_LINE</a> )
<a name="l00533"></a>00533 {
<a name="l00534"></a>00534 setCursor( <a class="code" href="cursors_8cpp.html#8d89fd03db7e35090175ec42e8af8f3f">getCursor</a>(<a class="code" href="cursors_8h.html#384a874a43b4618a4c20506728f1c647825ccc8a463af00f9a04b93f28bd3d34">TARGET_CURSOR</a>) );
<a name="l00535"></a>00535 <span class="keywordflow">return</span>;
<a name="l00536"></a>00536 }
<a name="l00537"></a>00537
<a name="l00538"></a>00538 <span class="comment">//update mouse cursor based on coordinates</span>
<a name="l00539"></a>00539 <a class="code" href="classSelectionInterface.html#bd7aa839bce0f660a061b11f1d9c545a" title="current mouse shape.">currentMouseShape</a> = <a class="code" href="classSelectionInterface.html#8ee066a50b6de070535873677d346697" title="determine action based on mouse position">mouseActionByPosition</a>( rawP );
<a name="l00540"></a>00540 <span class="keywordflow">switch</span>(<a class="code" href="classSelectionInterface.html#bd7aa839bce0f660a061b11f1d9c545a" title="current mouse shape.">currentMouseShape</a>)
<a name="l00541"></a>00541 {
<a name="l00542"></a>00542 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a5238982f3df49c5f17346a3986c8ae29">DRAW_SELECTION</a>:
<a name="l00543"></a>00543 setCursor( <a class="code" href="cursors_8cpp.html#8d89fd03db7e35090175ec42e8af8f3f">getCursor</a>(<a class="code" href="cursors_8h.html#384a874a43b4618a4c20506728f1c647c7f7eb79f43d18a0d6f51be79e78f012">CROSS_CURSOR</a>) ); <span class="keywordflow">break</span>;
<a name="l00544"></a>00544 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a8c922f8e7228a9e9a62d1cdc03a2292d">MOVE_SELECTION</a>:
<a name="l00545"></a>00545 setCursor( <a class="code" href="cursors_8cpp.html#8d89fd03db7e35090175ec42e8af8f3f">getCursor</a>(<a class="code" href="cursors_8h.html#384a874a43b4618a4c20506728f1c647d9da03696a38d1604e9c434702bd04c6">MOVE_SELECTION_CURSOR</a>) ); <span class="keywordflow">break</span>;
<a name="l00546"></a>00546 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88ac111d0726f85ac68d93c939352a0b5b2">MOVE_TOP_LEFT_CORNER</a>:
<a name="l00547"></a>00547 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a3a69ee708e793f8ad72095ed72fa5ba9">MOVE_BOTTOM_RIGHT_CORNER</a>:
<a name="l00548"></a>00548 setCursor( <a class="code" href="cursors_8cpp.html#8d89fd03db7e35090175ec42e8af8f3f">getCursor</a>(<a class="code" href="cursors_8h.html#384a874a43b4618a4c20506728f1c647be2f77ed8f4adc56663d96359e7a0a72">MOVE_TL_CURSOR</a>) ); <span class="keywordflow">break</span>;
<a name="l00549"></a>00549 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a41945bd31001e8c5430c604d91812744">MOVE_TOP_RIGHT_CORNER</a>:
<a name="l00550"></a>00550 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88ac57bcfc0420c5a58391030418137b93a">MOVE_BOTTOM_LEFT_CORNER</a>:
<a name="l00551"></a>00551 setCursor( <a class="code" href="cursors_8cpp.html#8d89fd03db7e35090175ec42e8af8f3f">getCursor</a>(<a class="code" href="cursors_8h.html#384a874a43b4618a4c20506728f1c647155601d9f05c16bed834635d5d794f88">MOVE_TR_CURSOR</a>) ); <span class="keywordflow">break</span>;
<a name="l00552"></a>00552 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a9924e665aba55813904245527e0b00d5">MOVE_LEFT_SIDE</a>:
<a name="l00553"></a>00553 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a7cf76b8e7a5897ea45764e98a364fd59">MOVE_RIGHT_SIDE</a>:
<a name="l00554"></a>00554 setCursor( <a class="code" href="cursors_8cpp.html#8d89fd03db7e35090175ec42e8af8f3f">getCursor</a>(<a class="code" href="cursors_8h.html#384a874a43b4618a4c20506728f1c6478b659aefdfad1b15a9e9dcbd7c524f25">MOVE_HOR_CURSOR</a>) ); <span class="keywordflow">break</span>;
<a name="l00555"></a>00555 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a2bc5889c098b02030346c7d6d7a4e336">MOVE_TOP_SIDE</a>:
<a name="l00556"></a>00556 <span class="keywordflow">case</span> <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a6b921e322b55cd49085cacf6feffddf1">MOVE_BOTTOM_SIDE</a>:
<a name="l00557"></a>00557 setCursor( <a class="code" href="cursors_8cpp.html#8d89fd03db7e35090175ec42e8af8f3f">getCursor</a>(<a class="code" href="cursors_8h.html#384a874a43b4618a4c20506728f1c64775a322d3eb727e1c69e4a945946ad927">MOVE_VERT_CURSOR</a>) ); <span class="keywordflow">break</span>;
<a name="l00558"></a>00558 <span class="keywordflow">break</span>;
<a name="l00559"></a>00559 <span class="keywordflow">default</span>:
<a name="l00560"></a>00560 setCursor( Qt::ArrowCursor );
<a name="l00561"></a>00561 <span class="keywordflow">break</span>;
<a name="l00562"></a>00562 }
<a name="l00563"></a>00563 }
<a name="l00564"></a>00564 <span class="comment">//==============================================</span>
<a name="l00565"></a><a class="code" href="classSelectionInterface.html#4de500af46da7af905635f04d50f6b77">00565</a> <span class="keywordtype">bool</span> <a class="code" href="classSelectionInterface.html#4de500af46da7af905635f04d50f6b77" title="increase/decrease selection while maintaining aspect ratio by changing selected width...">SelectionInterface::scaleSelection</a>( <span class="keywordtype">int</span> delta )
<a name="l00566"></a>00566 {
<a name="l00567"></a>00567 <span class="comment">//construct topLeft and bottomRight points to make logic easier</span>
<a name="l00568"></a>00568 QPoint <a class="code" href="redEye__internal_8h.html#6a9aebec61b1a6732045c187a6156f4f">topLeft</a>( QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()),
<a name="l00569"></a>00569 QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l00570"></a>00570 QPoint <a class="code" href="redEye__internal_8h.html#75e80edb449bc9a0925be60719132bd0">bottomRight</a>( QMAX(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()),
<a name="l00571"></a>00571 QMAX(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l00572"></a>00572
<a name="l00573"></a>00573 <span class="comment">//compute new selection dimension</span>
<a name="l00574"></a>00574 <span class="keywordtype">int</span> curSelectionWidth = bottomRight.x() - topLeft.x() + 1;
<a name="l00575"></a>00575 <span class="keywordtype">int</span> curSelectionHeight = bottomRight.y()- topLeft.y() + 1;
<a name="l00576"></a>00576 <span class="keywordtype">int</span> newSelectionWidth = -1;
<a name="l00577"></a>00577 <span class="keywordtype">int</span> newSelectionHeight = -1;
<a name="l00578"></a>00578
<a name="l00579"></a>00579 <span class="comment">//adjust in dimension of greater resolution</span>
<a name="l00580"></a>00580 <span class="keywordflow">if</span>( curSelectionWidth > curSelectionHeight )
<a name="l00581"></a>00581 {
<a name="l00582"></a>00582 newSelectionWidth = QMIN( curSelectionWidth + delta, <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width() );
<a name="l00583"></a>00583 newSelectionHeight = (newSelectionWidth * <a class="code" href="classSelectionInterface.html#06b6c2a5e5c43fcb55be1127492320a9">cachedSelectionSize</a>.height()) / <a class="code" href="classSelectionInterface.html#06b6c2a5e5c43fcb55be1127492320a9">cachedSelectionSize</a>.width();
<a name="l00584"></a>00584 }
<a name="l00585"></a>00585 <span class="keywordflow">else</span>
<a name="l00586"></a>00586 {
<a name="l00587"></a>00587 newSelectionHeight = QMIN( curSelectionHeight + delta, <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height() );
<a name="l00588"></a>00588 newSelectionWidth = (newSelectionHeight * <a class="code" href="classSelectionInterface.html#06b6c2a5e5c43fcb55be1127492320a9">cachedSelectionSize</a>.width()) / <a class="code" href="classSelectionInterface.html#06b6c2a5e5c43fcb55be1127492320a9">cachedSelectionSize</a>.height();
<a name="l00589"></a>00589 }
<a name="l00590"></a>00590
<a name="l00591"></a>00591 <span class="comment">//if selection width or height already maxed out then ignore attempt to make selection bigger</span>
<a name="l00592"></a>00592 <span class="keywordflow">if</span>(delta > 0 &&
<a name="l00593"></a>00593 ( curSelectionWidth == <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width() ||
<a name="l00594"></a>00594 curSelectionHeight == <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height() ) )
<a name="l00595"></a>00595 {
<a name="l00596"></a>00596 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00597"></a>00597 }
<a name="l00598"></a>00598
<a name="l00599"></a>00599 <span class="comment">//again prevent from growing too big, now along y-axis</span>
<a name="l00600"></a>00600 <span class="keywordflow">if</span>(newSelectionHeight > <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height())
<a name="l00601"></a>00601 {
<a name="l00602"></a>00602 newSelectionHeight = <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height();
<a name="l00603"></a>00603 newSelectionWidth = (newSelectionHeight * <a class="code" href="classSelectionInterface.html#06b6c2a5e5c43fcb55be1127492320a9">cachedSelectionSize</a>.width()) / <a class="code" href="classSelectionInterface.html#06b6c2a5e5c43fcb55be1127492320a9">cachedSelectionSize</a>.height();
<a name="l00604"></a>00604 }
<a name="l00605"></a>00605
<a name="l00606"></a>00606 <span class="comment">//prevent selection becoming empty</span>
<a name="l00607"></a>00607 <span class="keywordflow">if</span>(newSelectionWidth <= 0 || newSelectionHeight <= 0)
<a name="l00608"></a>00608 {
<a name="l00609"></a>00609 newSelectionWidth = curSelectionWidth;
<a name="l00610"></a>00610 newSelectionHeight = curSelectionHeight;
<a name="l00611"></a>00611 }
<a name="l00612"></a>00612
<a name="l00613"></a>00613 <span class="comment">//center new selection over current selection , move if necessary</span>
<a name="l00614"></a>00614 topLeft = QPoint(QMAX( <a class="code" href="classSelectionInterface.html#8ea28a06f5b5bd9de5c21f998e9d4992" title="cache the aspect ratio when pressing the control buttion, this helps aleviate numerical...">cachedSelctionCenter</a>.x() - newSelectionWidth/2, 0 ),
<a name="l00615"></a>00615 QMAX( <a class="code" href="classSelectionInterface.html#8ea28a06f5b5bd9de5c21f998e9d4992" title="cache the aspect ratio when pressing the control buttion, this helps aleviate numerical...">cachedSelctionCenter</a>.y() - newSelectionHeight/2, 0 ));
<a name="l00616"></a>00616 bottomRight = QPoint( topLeft.x() + newSelectionWidth - 1,
<a name="l00617"></a>00617 topLeft.y() + newSelectionHeight - 1 );
<a name="l00618"></a>00618
<a name="l00619"></a>00619 <span class="comment">//too far right</span>
<a name="l00620"></a>00620 <span class="keywordflow">if</span>(bottomRight.x() > <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width() - 1 )
<a name="l00621"></a>00621 {
<a name="l00622"></a>00622 <span class="keywordtype">int</span> diff = bottomRight.x() - (<a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width() - 1);
<a name="l00623"></a>00623 topLeft.setX( topLeft.x() - diff );
<a name="l00624"></a>00624 bottomRight.setX( bottomRight.x() - diff );
<a name="l00625"></a>00625
<a name="l00626"></a>00626 <span class="comment">//recompute center</span>
<a name="l00627"></a>00627 <a class="code" href="classSelectionInterface.html#8ea28a06f5b5bd9de5c21f998e9d4992" title="cache the aspect ratio when pressing the control buttion, this helps aleviate numerical...">cachedSelctionCenter</a> = QPoint( ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )/2,
<a name="l00628"></a>00628 ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )/2 );
<a name="l00629"></a>00629 }
<a name="l00630"></a>00630
<a name="l00631"></a>00631 <span class="comment">//too far down</span>
<a name="l00632"></a>00632 <span class="keywordflow">if</span>(bottomRight.y() > <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height() - 1 )
<a name="l00633"></a>00633 {
<a name="l00634"></a>00634 <span class="keywordtype">int</span> diff = bottomRight.y() - (<a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height() - 1);
<a name="l00635"></a>00635 topLeft.setY( topLeft.y() - diff );
<a name="l00636"></a>00636 bottomRight.setY( bottomRight.y() - diff );
<a name="l00637"></a>00637
<a name="l00638"></a>00638 <span class="comment">//recompute center</span>
<a name="l00639"></a>00639 <a class="code" href="classSelectionInterface.html#8ea28a06f5b5bd9de5c21f998e9d4992" title="cache the aspect ratio when pressing the control buttion, this helps aleviate numerical...">cachedSelctionCenter</a> = QPoint( ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )/2,
<a name="l00640"></a>00640 ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )/2 );
<a name="l00641"></a>00641 }
<a name="l00642"></a>00642
<a name="l00643"></a>00643 <span class="comment">//set new selection</span>
<a name="l00644"></a>00644 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = topLeft;
<a name="l00645"></a>00645 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a> = bottomRight;
<a name="l00646"></a>00646
<a name="l00647"></a>00647 <span class="comment">//success</span>
<a name="l00648"></a>00648 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00649"></a>00649 }
<a name="l00650"></a>00650 <span class="comment">//==============================================</span>
<a name="l00651"></a><a class="code" href="classSelectionInterface.html#74dfa91930186d55fae54ee7419c6fea">00651</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#74dfa91930186d55fae54ee7419c6fea">SelectionInterface::mouseMoveEvent</a>(QMouseEvent *e)
<a name="l00652"></a>00652 {
<a name="l00653"></a>00653 <span class="comment">//if the SHIFT_Pressed state variable is true but SHIFT is now not pressed</span>
<a name="l00654"></a>00654 <span class="comment">//reset bool and mouse cursor!</span>
<a name="l00655"></a>00655 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#97ea45c59f8ea01c79c0ca0251d1d1e9" title="state of SHIFT button, effects if mouse drags adjust or scale the current selection...">SHIFT_Pressed</a> && !(e->state() & Qt::ShiftButton) )
<a name="l00656"></a>00656 {
<a name="l00657"></a>00657 <a class="code" href="classSelectionInterface.html#97ea45c59f8ea01c79c0ca0251d1d1e9" title="state of SHIFT button, effects if mouse drags adjust or scale the current selection...">SHIFT_Pressed</a> = <span class="keyword">false</span>;
<a name="l00658"></a>00658 <a class="code" href="classSelectionInterface.html#847638350fc4396f4f0c3cef10d37394" title="update mouse cursor based on position over widget and selected region">updateCursorShape</a>( <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>( e->pos() ) );
<a name="l00659"></a>00659 }
<a name="l00660"></a>00660
<a name="l00661"></a>00661 <span class="comment">//if the CTRL_Pressed state variable is true but CTRL is now not pressed</span>
<a name="l00662"></a>00662 <span class="comment">//reset bool and mouse cursor!</span>
<a name="l00663"></a>00663 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#ef136a71014e006a7cbb41af594d5eae" title="state of CTRL button, effects if mouse clicks rotate current selection">CTRL_Pressed</a> && !(e->state() & Qt::ControlButton) )
<a name="l00664"></a>00664 {
<a name="l00665"></a>00665 <a class="code" href="classSelectionInterface.html#ef136a71014e006a7cbb41af594d5eae" title="state of CTRL button, effects if mouse clicks rotate current selection">CTRL_Pressed</a> = <span class="keyword">false</span>;
<a name="l00666"></a>00666 <a class="code" href="classSelectionInterface.html#847638350fc4396f4f0c3cef10d37394" title="update mouse cursor based on position over widget and selected region">updateCursorShape</a>( <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>( e->pos() ) );
<a name="l00667"></a>00667 }
<a name="l00668"></a>00668
<a name="l00669"></a>00669 <span class="comment">//if mouse not pressed update mouse cursor if </span>
<a name="l00670"></a>00670 <span class="comment">//mode will change if user presses mouse button</span>
<a name="l00671"></a>00671 <span class="keywordflow">if</span>(<a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="histogramInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a548126d587d43d3630c45cd091e095f7">NO_EFFECT</a>)
<a name="l00672"></a>00672 {
<a name="l00673"></a>00673 <span class="comment">//only update the mouse cursor shape if it will change</span>
<a name="l00674"></a>00674 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#8ee066a50b6de070535873677d346697" title="determine action based on mouse position">mouseActionByPosition</a>( e->pos() ) != <a class="code" href="classSelectionInterface.html#bd7aa839bce0f660a061b11f1d9c545a" title="current mouse shape.">currentMouseShape</a> )
<a name="l00675"></a>00675 <a class="code" href="classSelectionInterface.html#847638350fc4396f4f0c3cef10d37394" title="update mouse cursor based on position over widget and selected region">updateCursorShape</a>( e->pos() );
<a name="l00676"></a>00676
<a name="l00677"></a>00677 <a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a> = <a class="code" href="classSelectionInterface.html#6514ae36e98ae2bfecfe227ad17e8b74" title="converts a point from display coordinates to original image coordinates">ConvertDisplayToImageCoordinate</a>( <a class="code" href="classSelectionInterface.html#cc9015e19ec8fb9f91035b0ce615808a" title="crops a selected point to within the photo">cropSelectedPoint</a>(e->pos()) );
<a name="l00678"></a>00678 }
<a name="l00679"></a>00679 <span class="comment">//if currently in draw line mode update the selected line</span>
<a name="l00680"></a>00680 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(<a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a5954399bca0721034821960b20a18dce">DRAW_LINE</a>)
<a name="l00681"></a>00681 {
<a name="l00682"></a>00682 <span class="comment">//if the 1st point hasn't been set yet do nothing</span>
<a name="l00683"></a>00683 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() == -1 )
<a name="l00684"></a>00684 <span class="keywordflow">return</span>;
<a name="l00685"></a>00685
<a name="l00686"></a>00686 <span class="comment">//1st point set, set 2nd point to current mouse position and redraw</span>
<a name="l00687"></a>00687 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a> = <a class="code" href="classSelectionInterface.html#6514ae36e98ae2bfecfe227ad17e8b74" title="converts a point from display coordinates to original image coordinates">ConvertDisplayToImageCoordinate</a>( <a class="code" href="classSelectionInterface.html#cc9015e19ec8fb9f91035b0ce615808a" title="crops a selected point to within the photo">cropSelectedPoint</a>(e->pos()) );
<a name="l00688"></a>00688
<a name="l00689"></a>00689 <span class="comment">//repaint the line</span>
<a name="l00690"></a>00690 repaint(<span class="keyword">false</span>);
<a name="l00691"></a>00691 }
<a name="l00692"></a>00692 <span class="comment">//update selection rectangle or selected line</span>
<a name="l00693"></a>00693 <span class="keywordflow">else</span>
<a name="l00694"></a>00694 {
<a name="l00695"></a>00695 <span class="comment">//get mouse position in original image coordinates</span>
<a name="l00696"></a>00696 QPoint p = <a class="code" href="classSelectionInterface.html#6514ae36e98ae2bfecfe227ad17e8b74" title="converts a point from display coordinates to original image coordinates">ConvertDisplayToImageCoordinate</a>( <a class="code" href="classSelectionInterface.html#cc9015e19ec8fb9f91035b0ce615808a" title="crops a selected point to within the photo">cropSelectedPoint</a>(e->pos()) );
<a name="l00697"></a>00697
<a name="l00698"></a>00698 <span class="comment">//construct topLeft and bottomRight points to make logic easier</span>
<a name="l00699"></a>00699 QPoint <a class="code" href="redEye__internal_8h.html#6a9aebec61b1a6732045c187a6156f4f">topLeft</a>( QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()),
<a name="l00700"></a>00700 QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l00701"></a>00701 QPoint <a class="code" href="redEye__internal_8h.html#75e80edb449bc9a0925be60719132bd0">bottomRight</a>( QMAX(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()),
<a name="l00702"></a>00702 QMAX(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l00703"></a>00703
<a name="l00704"></a>00704 <span class="comment">//if SHIFT pressed and both selction dimensions non-empty then scale selection</span>
<a name="l00705"></a>00705 <span class="keywordflow">if</span>(<a class="code" href="classSelectionInterface.html#97ea45c59f8ea01c79c0ca0251d1d1e9" title="state of SHIFT button, effects if mouse drags adjust or scale the current selection...">SHIFT_Pressed</a> &&
<a name="l00706"></a>00706 bottomRight.x() > topLeft.x() &&
<a name="l00707"></a>00707 bottomRight.y() > topLeft.y() )
<a name="l00708"></a>00708 {
<a name="l00709"></a>00709 <span class="comment">//update width, prevent from growing beyond image boundaries</span>
<a name="l00710"></a>00710 <span class="keywordtype">int</span> delta = p.x() - <a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a>.x();
<a name="l00711"></a>00711 <span class="keywordflow">if</span>( !<a class="code" href="classSelectionInterface.html#4de500af46da7af905635f04d50f6b77" title="increase/decrease selection while maintaining aspect ratio by changing selected width...">scaleSelection</a>( delta ) )
<a name="l00712"></a>00712 {
<a name="l00713"></a>00713 <span class="comment">//cache the current mouse position before returning without change</span>
<a name="l00714"></a>00714 <a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a> = p;
<a name="l00715"></a>00715 <span class="keywordflow">return</span>;
<a name="l00716"></a>00716 }
<a name="l00717"></a>00717 }
<a name="l00718"></a>00718 <span class="comment">//if draging the entire selection, update x and y coordinates for</span>
<a name="l00719"></a>00719 <span class="comment">//both mousePress and mouseDrag points and update the dragSelectionPoint</span>
<a name="l00720"></a>00720 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a8c922f8e7228a9e9a62d1cdc03a2292d">MOVE_SELECTION</a> )
<a name="l00721"></a>00721 {
<a name="l00722"></a>00722 <span class="comment">//compute offset</span>
<a name="l00723"></a>00723 QPoint offset( p.x() - <a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a>.x(),
<a name="l00724"></a>00724 p.y() - <a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a>.y() );
<a name="l00725"></a>00725
<a name="l00726"></a>00726 <span class="comment">//construct topLeft and bottomRight points to make logic easier</span>
<a name="l00727"></a>00727 QPoint <a class="code" href="redEye__internal_8h.html#6a9aebec61b1a6732045c187a6156f4f">topLeft</a>( QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()),
<a name="l00728"></a>00728 QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l00729"></a>00729 QPoint <a class="code" href="redEye__internal_8h.html#75e80edb449bc9a0925be60719132bd0">bottomRight</a>( QMAX(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()),
<a name="l00730"></a>00730 QMAX(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l00731"></a>00731
<a name="l00732"></a>00732 <span class="comment">//clip offset so selected area is always within image boundaries</span>
<a name="l00733"></a>00733
<a name="l00734"></a>00734 <span class="comment">//left</span>
<a name="l00735"></a>00735 <span class="keywordflow">if</span>(offset.x() < 0 && topLeft.x() + offset.x() < 0 )
<a name="l00736"></a>00736 offset.setX( -topLeft.x() );
<a name="l00737"></a>00737
<a name="l00738"></a>00738 <span class="comment">//right</span>
<a name="l00739"></a>00739 <span class="keywordflow">if</span>(offset.x() > 0 && bottomRight.x() + offset.x() >= <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width() )
<a name="l00740"></a>00740 offset.setX( <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width() - 1 - bottomRight.x() );
<a name="l00741"></a>00741
<a name="l00742"></a>00742 <span class="comment">//top</span>
<a name="l00743"></a>00743 <span class="keywordflow">if</span>(offset.y() < 0 && topLeft.y() + offset.y() < 0 )
<a name="l00744"></a>00744 offset.setY( -topLeft.y() );
<a name="l00745"></a>00745
<a name="l00746"></a>00746 <span class="comment">//bottom</span>
<a name="l00747"></a>00747 <span class="keywordflow">if</span>(offset.y() > 0 && bottomRight.y() + offset.y() >= <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height() )
<a name="l00748"></a>00748 offset.setY( <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height() - 1 - bottomRight.y() );
<a name="l00749"></a>00749
<a name="l00750"></a>00750 <span class="comment">//update press and drag points</span>
<a name="l00751"></a>00751 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>+= offset;
<a name="l00752"></a>00752 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>+= offset;
<a name="l00753"></a>00753
<a name="l00754"></a>00754 <span class="comment">//recompute selection center</span>
<a name="l00755"></a>00755 <a class="code" href="classSelectionInterface.html#8ea28a06f5b5bd9de5c21f998e9d4992" title="cache the aspect ratio when pressing the control buttion, this helps aleviate numerical...">cachedSelctionCenter</a> = QPoint( ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )/2,
<a name="l00756"></a>00756 ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )/2 );
<a name="l00757"></a>00757 }
<a name="l00758"></a>00758 <span class="comment">//if moving any corner or drawing the original selection, </span>
<a name="l00759"></a>00759 <span class="comment">//update x and y coords of drag point</span>
<a name="l00760"></a>00760 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a5238982f3df49c5f17346a3986c8ae29">DRAW_SELECTION</a> ||
<a name="l00761"></a>00761 <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88ac111d0726f85ac68d93c939352a0b5b2">MOVE_TOP_LEFT_CORNER</a> ||
<a name="l00762"></a>00762 <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a41945bd31001e8c5430c604d91812744">MOVE_TOP_RIGHT_CORNER</a> ||
<a name="l00763"></a>00763 <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88ac57bcfc0420c5a58391030418137b93a">MOVE_BOTTOM_LEFT_CORNER</a> ||
<a name="l00764"></a>00764 <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a3a69ee708e793f8ad72095ed72fa5ba9">MOVE_BOTTOM_RIGHT_CORNER</a> )
<a name="l00765"></a>00765 {
<a name="l00766"></a>00766 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.setX( p.x() );
<a name="l00767"></a>00767 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.setY( p.y() );
<a name="l00768"></a>00768 <a class="code" href="classSelectionInterface.html#5e6a4c2f0898815bc0bdfd1d4dc27acf" title="Current crop max dimension (in inches).">cropMaxDimen</a> = -1.0;
<a name="l00769"></a>00769
<a name="l00770"></a>00770 <span class="comment">//cache selection size and center, necessary for computing next size</span>
<a name="l00771"></a>00771 <a class="code" href="classSelectionInterface.html#06b6c2a5e5c43fcb55be1127492320a9">cachedSelectionSize</a> = QSize( QABS( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() - <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )+1,
<a name="l00772"></a>00772 QABS( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() - <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )+1);
<a name="l00773"></a>00773 <a class="code" href="classSelectionInterface.html#8ea28a06f5b5bd9de5c21f998e9d4992" title="cache the aspect ratio when pressing the control buttion, this helps aleviate numerical...">cachedSelctionCenter</a> = QPoint( ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )/2,
<a name="l00774"></a>00774 ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )/2 );
<a name="l00775"></a>00775
<a name="l00776"></a>00776
<a name="l00777"></a>00777 emit <a class="code" href="classSelectionInterface.html#5c7725a9ca79ffe13cc5966378de86fe" title="emitted when the user changed the aspect ratio of the selected region">aspectRatioChanged</a>();
<a name="l00778"></a>00778 }
<a name="l00779"></a>00779 <span class="comment">//else if moving the left or right sides just update the x coordinate of </span>
<a name="l00780"></a>00780 <span class="comment">//the drag point</span>
<a name="l00781"></a>00781 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a9924e665aba55813904245527e0b00d5">MOVE_LEFT_SIDE</a> ||
<a name="l00782"></a>00782 <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a7cf76b8e7a5897ea45764e98a364fd59">MOVE_RIGHT_SIDE</a> )
<a name="l00783"></a>00783 {
<a name="l00784"></a>00784 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.setX( p.x() );
<a name="l00785"></a>00785 <a class="code" href="classSelectionInterface.html#5e6a4c2f0898815bc0bdfd1d4dc27acf" title="Current crop max dimension (in inches).">cropMaxDimen</a> = -1.0;
<a name="l00786"></a>00786 emit <a class="code" href="classSelectionInterface.html#5c7725a9ca79ffe13cc5966378de86fe" title="emitted when the user changed the aspect ratio of the selected region">aspectRatioChanged</a>();
<a name="l00787"></a>00787
<a name="l00788"></a>00788 <span class="comment">//cache selection size and center, necessary for computing next size</span>
<a name="l00789"></a>00789 <a class="code" href="classSelectionInterface.html#06b6c2a5e5c43fcb55be1127492320a9">cachedSelectionSize</a> = QSize( QABS( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() - <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )+1,
<a name="l00790"></a>00790 QABS( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() - <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )+1);
<a name="l00791"></a>00791 <a class="code" href="classSelectionInterface.html#8ea28a06f5b5bd9de5c21f998e9d4992" title="cache the aspect ratio when pressing the control buttion, this helps aleviate numerical...">cachedSelctionCenter</a> = QPoint( ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )/2,
<a name="l00792"></a>00792 ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )/2 );
<a name="l00793"></a>00793 }
<a name="l00794"></a>00794 <span class="comment">//else if moving the top or bottom sides just update the x coordinate of </span>
<a name="l00795"></a>00795 <span class="comment">//the drag point</span>
<a name="l00796"></a>00796 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a2bc5889c098b02030346c7d6d7a4e336">MOVE_TOP_SIDE</a> ||
<a name="l00797"></a>00797 <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a6b921e322b55cd49085cacf6feffddf1">MOVE_BOTTOM_SIDE</a> )
<a name="l00798"></a>00798 {
<a name="l00799"></a>00799 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.setY( p.y() );
<a name="l00800"></a>00800 <a class="code" href="classSelectionInterface.html#5e6a4c2f0898815bc0bdfd1d4dc27acf" title="Current crop max dimension (in inches).">cropMaxDimen</a> = -1.0;
<a name="l00801"></a>00801 emit <a class="code" href="classSelectionInterface.html#5c7725a9ca79ffe13cc5966378de86fe" title="emitted when the user changed the aspect ratio of the selected region">aspectRatioChanged</a>();
<a name="l00802"></a>00802
<a name="l00803"></a>00803 <span class="comment">//cache selection size and center, necessary for computing next size</span>
<a name="l00804"></a>00804 <a class="code" href="classSelectionInterface.html#06b6c2a5e5c43fcb55be1127492320a9">cachedSelectionSize</a> = QSize( QABS( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() - <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )+1,
<a name="l00805"></a>00805 QABS( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() - <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )+1);
<a name="l00806"></a>00806 <a class="code" href="classSelectionInterface.html#8ea28a06f5b5bd9de5c21f998e9d4992" title="cache the aspect ratio when pressing the control buttion, this helps aleviate numerical...">cachedSelctionCenter</a> = QPoint( ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )/2,
<a name="l00807"></a>00807 ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )/2 );
<a name="l00808"></a>00808
<a name="l00809"></a>00809 }
<a name="l00810"></a>00810
<a name="l00811"></a>00811 <span class="comment">//cache current mouse position</span>
<a name="l00812"></a>00812 <a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a> = p;
<a name="l00813"></a>00813
<a name="l00814"></a>00814 <span class="comment">//repaint the selection</span>
<a name="l00815"></a>00815 repaint(<span class="keyword">false</span>);
<a name="l00816"></a>00816 emit <a class="code" href="classSelectionInterface.html#f011571f91fca578e58f0cc72bb64cde" title="emitted when the user changed the selected region">selectionChanged</a>();
<a name="l00817"></a>00817
<a name="l00818"></a>00818 <span class="comment">//only update the mouse cursor shape if it will change</span>
<a name="l00819"></a>00819 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#8ee066a50b6de070535873677d346697" title="determine action based on mouse position">mouseActionByPosition</a>( e->pos() ) != <a class="code" href="classSelectionInterface.html#bd7aa839bce0f660a061b11f1d9c545a" title="current mouse shape.">currentMouseShape</a> )
<a name="l00820"></a>00820 <a class="code" href="classSelectionInterface.html#847638350fc4396f4f0c3cef10d37394" title="update mouse cursor based on position over widget and selected region">updateCursorShape</a>( e->pos() );
<a name="l00821"></a>00821 }
<a name="l00822"></a>00822 }
<a name="l00823"></a>00823 <span class="comment">//==============================================</span>
<a name="l00824"></a><a class="code" href="classSelectionInterface.html#f0017b26cf5c36c58a9c9a0ccc71d79b">00824</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#f0017b26cf5c36c58a9c9a0ccc71d79b">SelectionInterface::mouseReleaseEvent</a>(QMouseEvent *e)
<a name="l00825"></a>00825 {
<a name="l00826"></a>00826 <span class="comment">//if in draw line mode</span>
<a name="l00827"></a>00827 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a5954399bca0721034821960b20a18dce">DRAW_LINE</a> )
<a name="l00828"></a>00828 {
<a name="l00829"></a>00829 <span class="comment">//get mouse location in image space</span>
<a name="l00830"></a>00830 QPoint p = <a class="code" href="classSelectionInterface.html#6514ae36e98ae2bfecfe227ad17e8b74" title="converts a point from display coordinates to original image coordinates">ConvertDisplayToImageCoordinate</a>( e->pos() );
<a name="l00831"></a>00831
<a name="l00832"></a>00832 <span class="comment">//if first point has not been set set it now</span>
<a name="l00833"></a>00833 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() == -1 )
<a name="l00834"></a>00834 {
<a name="l00835"></a>00835 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = p;
<a name="l00836"></a>00836 repaint(<span class="keyword">false</span>);
<a name="l00837"></a>00837 }
<a name="l00838"></a>00838 <span class="comment">//else first point has been set then we're setting the 2nd point, emit the selected line</span>
<a name="l00839"></a>00839 <span class="keywordflow">else</span>
<a name="l00840"></a>00840 {
<a name="l00841"></a>00841 <span class="comment">//get two points on line</span>
<a name="l00842"></a>00842 QPoint p1 = <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>;
<a name="l00843"></a>00843 QPoint p2 = p;
<a name="l00844"></a>00844
<a name="l00845"></a>00845 <span class="comment">//reset mode, press and drag points so there is no selection</span>
<a name="l00846"></a>00846 <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> = <a class="code" href="histogramInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a548126d587d43d3630c45cd091e095f7">NO_EFFECT</a>;
<a name="l00847"></a>00847 <a class="code" href="classSelectionInterface.html#31e54213a11768e60de29129ec8eaf7d" title="selects none of the image">selectNone</a>();
<a name="l00848"></a>00848 <a class="code" href="classSelectionInterface.html#847638350fc4396f4f0c3cef10d37394" title="update mouse cursor based on position over widget and selected region">updateCursorShape</a>( <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>(<a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a>) );
<a name="l00849"></a>00849
<a name="l00850"></a>00850 <span class="comment">//emit the selected line</span>
<a name="l00851"></a>00851 emit <a class="code" href="classSelectionInterface.html#232e9231878c57639e25bfaf5edebb0a" title="emitted once line has been selected, on or the other points will be set to -1,-1...">lineSelected</a>( p1, p2 );
<a name="l00852"></a>00852 }
<a name="l00853"></a>00853 <span class="keywordflow">return</span>;
<a name="l00854"></a>00854 }
<a name="l00855"></a>00855
<a name="l00856"></a>00856 <span class="comment">//disable move moving from having an effect on the selection</span>
<a name="l00857"></a>00857 <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> = <a class="code" href="histogramInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a548126d587d43d3630c45cd091e095f7">NO_EFFECT</a>;
<a name="l00858"></a>00858
<a name="l00859"></a>00859 <span class="comment">//construct topLeft and bottomRight points to make logic easier</span>
<a name="l00860"></a>00860 QPoint <a class="code" href="redEye__internal_8h.html#6a9aebec61b1a6732045c187a6156f4f">topLeft</a>( QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()),
<a name="l00861"></a>00861 QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l00862"></a>00862 QPoint <a class="code" href="redEye__internal_8h.html#75e80edb449bc9a0925be60719132bd0">bottomRight</a>( QMAX(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()),
<a name="l00863"></a>00863 QMAX(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l00864"></a>00864
<a name="l00865"></a>00865 <span class="comment">//convert selection region to display space to check for tiny selections to ignore</span>
<a name="l00866"></a>00866 topLeft = <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>( topLeft );
<a name="l00867"></a>00867 bottomRight = <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>( bottomRight );
<a name="l00868"></a>00868
<a name="l00869"></a>00869 <span class="comment">//if selection is very small reset to select nothing</span>
<a name="l00870"></a>00870 <span class="keywordflow">if</span>( bottomRight.x() - topLeft.x() + 1 < <a class="code" href="selectionInterface_8cpp.html#cac6acc8fbaa297f9b294178f4e7bdec">MINIMUM_SELECTION_SIZE</a> ||
<a name="l00871"></a>00871 bottomRight.y() - topLeft.y() + 1 < <a class="code" href="selectionInterface_8cpp.html#cac6acc8fbaa297f9b294178f4e7bdec">MINIMUM_SELECTION_SIZE</a> ) { <a class="code" href="classSelectionInterface.html#31e54213a11768e60de29129ec8eaf7d" title="selects none of the image">selectNone</a>(); }
<a name="l00872"></a>00872 }
<a name="l00873"></a>00873 <span class="comment">//==============================================</span>
<a name="l00874"></a><a class="code" href="classSelectionInterface.html#6514ae36e98ae2bfecfe227ad17e8b74">00874</a> QPoint <a class="code" href="classSelectionInterface.html#6514ae36e98ae2bfecfe227ad17e8b74" title="converts a point from display coordinates to original image coordinates">SelectionInterface::ConvertDisplayToImageCoordinate</a>( QPoint p )
<a name="l00875"></a>00875 {
<a name="l00876"></a>00876 QPoint newPoint = p;
<a name="l00877"></a>00877
<a name="l00878"></a>00878 <span class="comment">//remove display offset</span>
<a name="l00879"></a>00879 <span class="keywordtype">int</span> xOffset = (<a class="code" href="blur_8cpp.html#2474a5474cbff19523a51eb1de01cda4">width</a>() - <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width() ) / 2;
<a name="l00880"></a>00880 <span class="keywordtype">int</span> yOffset = (<a class="code" href="blur_8cpp.html#d12fc34ce789bce6c8a05d8a17138534">height</a>() - <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.height() ) / 2;
<a name="l00881"></a>00881 newPoint.setX( newPoint.x() - xOffset );
<a name="l00882"></a>00882 newPoint.setY( newPoint.y() - yOffset );
<a name="l00883"></a>00883
<a name="l00884"></a>00884 <span class="comment">//if coordinate is at max set new value explicitly to avoid roundoff error,</span>
<a name="l00885"></a>00885 <span class="comment">//otherwise scale to full image dimensions</span>
<a name="l00886"></a>00886 <span class="keywordflow">if</span>(newPoint.x() == <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width() - 1)
<a name="l00887"></a>00887 newPoint.setX( <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width() - 1);
<a name="l00888"></a>00888 <span class="keywordflow">else</span>
<a name="l00889"></a>00889 newPoint.setX( (<span class="keywordtype">int</span>) (0.5 + ((<span class="keywordtype">double</span>)(newPoint.x() * (<a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width()-1))) / (<a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width()-1) ) );
<a name="l00890"></a>00890
<a name="l00891"></a>00891 <span class="keywordflow">if</span>(newPoint.y() == <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.height() - 1)
<a name="l00892"></a>00892 newPoint.setY( <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height() - 1);
<a name="l00893"></a>00893 <span class="keywordflow">else</span>
<a name="l00894"></a>00894 newPoint.setY( (<span class="keywordtype">int</span>) (0.5 + ((<span class="keywordtype">double</span>)(newPoint.y() * (<a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height()-1))) / (<a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.height()-1) ) );
<a name="l00895"></a>00895
<a name="l00896"></a>00896 <span class="comment">//return point in image coordinates</span>
<a name="l00897"></a>00897 <span class="keywordflow">return</span> newPoint;
<a name="l00898"></a>00898 }
<a name="l00899"></a>00899 <span class="comment">//==============================================</span>
<a name="l00900"></a><a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75">00900</a> QPoint <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">SelectionInterface::ConvertImageToDisplayCoordinate</a>( QPoint p )
<a name="l00901"></a>00901 {
<a name="l00902"></a>00902 QPoint newPoint = p;
<a name="l00903"></a>00903
<a name="l00904"></a>00904 <span class="comment">//if coordinate is at max set new value explicitly to avoid roundoff error,</span>
<a name="l00905"></a>00905 <span class="comment">//otherwise scale to full image dimensions</span>
<a name="l00906"></a>00906 <span class="keywordflow">if</span>(newPoint.x() == <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width() - 1)
<a name="l00907"></a>00907 newPoint.setX( <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width() - 1);
<a name="l00908"></a>00908 <span class="keywordflow">else</span>
<a name="l00909"></a>00909 newPoint.setX( (newPoint.x() * (<a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width()-1)) / (<a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width()-1) );
<a name="l00910"></a>00910
<a name="l00911"></a>00911 <span class="keywordflow">if</span>(newPoint.y() == <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height() - 1)
<a name="l00912"></a>00912 newPoint.setY( <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.height() - 1);
<a name="l00913"></a>00913 <span class="keywordflow">else</span>
<a name="l00914"></a>00914 newPoint.setY( (newPoint.y() * (<a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.height()-1)) / (<a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height()-1) );
<a name="l00915"></a>00915
<a name="l00916"></a>00916 <span class="comment">//add display offset</span>
<a name="l00917"></a>00917 <span class="keywordtype">int</span> xOffset = (<a class="code" href="blur_8cpp.html#2474a5474cbff19523a51eb1de01cda4">width</a>() - <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width() ) / 2;
<a name="l00918"></a>00918 <span class="keywordtype">int</span> yOffset = (<a class="code" href="blur_8cpp.html#d12fc34ce789bce6c8a05d8a17138534">height</a>() - <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.height() ) / 2;
<a name="l00919"></a>00919 newPoint.setX( newPoint.x() + xOffset );
<a name="l00920"></a>00920 newPoint.setY( newPoint.y() + yOffset );
<a name="l00921"></a>00921
<a name="l00922"></a>00922 <span class="comment">//return point in image coordinates</span>
<a name="l00923"></a>00923 <span class="keywordflow">return</span> newPoint;
<a name="l00924"></a>00924 }
<a name="l00925"></a>00925 <span class="comment">//==============================================</span>
<a name="l00926"></a><a class="code" href="classSelectionInterface.html#cc9015e19ec8fb9f91035b0ce615808a">00926</a> QPoint <a class="code" href="classSelectionInterface.html#cc9015e19ec8fb9f91035b0ce615808a" title="crops a selected point to within the photo">SelectionInterface::cropSelectedPoint</a>(QPoint p)
<a name="l00927"></a>00927 {
<a name="l00928"></a>00928 <span class="keywordtype">int</span> xOffset = (<a class="code" href="blur_8cpp.html#2474a5474cbff19523a51eb1de01cda4">width</a>() - <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width() ) / 2;
<a name="l00929"></a>00929 <span class="keywordtype">int</span> yOffset = (<a class="code" href="blur_8cpp.html#d12fc34ce789bce6c8a05d8a17138534">height</a>() - <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.height() ) / 2;
<a name="l00930"></a>00930
<a name="l00931"></a>00931 QPoint croppedPoint;
<a name="l00932"></a>00932 croppedPoint.setX( QMIN( QMAX(xOffset, p.x()), xOffset + <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width() - 1 ) );
<a name="l00933"></a>00933 croppedPoint.setY( QMIN( QMAX(yOffset, p.y()), yOffset + <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.height() - 1 ) );
<a name="l00934"></a>00934 <span class="keywordflow">return</span> croppedPoint;
<a name="l00935"></a>00935 }
<a name="l00936"></a>00936 <span class="comment">//==============================================</span>
<a name="l00937"></a><a class="code" href="classSelectionInterface.html#1b6e4a41f5e2200324a897e08d036d16">00937</a> <span class="keywordtype">bool</span> <a class="code" href="classSelectionInterface.html#1b6e4a41f5e2200324a897e08d036d16" title="returns true if selection is empty">SelectionInterface::selectionEmpty</a>()
<a name="l00938"></a>00938 {
<a name="l00939"></a>00939 <span class="keywordflow">return</span> (
<a name="l00940"></a>00940 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() == -1 ||
<a name="l00941"></a>00941 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() - <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() == 0 ||
<a name="l00942"></a>00942 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() - <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() == 0
<a name="l00943"></a>00943 );
<a name="l00944"></a>00944 }
<a name="l00945"></a>00945 <span class="comment">//==============================================</span>
<a name="l00946"></a><a class="code" href="classSelectionInterface.html#4cb1299247f3cd673006896076ce9ee7">00946</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#4cb1299247f3cd673006896076ce9ee7" title="selects all of the image">SelectionInterface::selectAll</a>()
<a name="l00947"></a>00947 {
<a name="l00948"></a>00948 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.setX( 0 );
<a name="l00949"></a>00949 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.setY( 0 );
<a name="l00950"></a>00950 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.setX( <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width() - 1 );
<a name="l00951"></a>00951 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.setY( <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height() - 1);
<a name="l00952"></a>00952
<a name="l00953"></a>00953 <span class="comment">//cache selection size and center, necessary for computing next size</span>
<a name="l00954"></a>00954 <a class="code" href="classSelectionInterface.html#06b6c2a5e5c43fcb55be1127492320a9">cachedSelectionSize</a> = QSize( QABS( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() - <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )+1,
<a name="l00955"></a>00955 QABS( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() - <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )+1);
<a name="l00956"></a>00956 <a class="code" href="classSelectionInterface.html#8ea28a06f5b5bd9de5c21f998e9d4992" title="cache the aspect ratio when pressing the control buttion, this helps aleviate numerical...">cachedSelctionCenter</a> = QPoint( ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )/2,
<a name="l00957"></a>00957 ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )/2 );
<a name="l00958"></a>00958
<a name="l00959"></a>00959 <a class="code" href="classSelectionInterface.html#5e6a4c2f0898815bc0bdfd1d4dc27acf" title="Current crop max dimension (in inches).">cropMaxDimen</a> = -1.0;
<a name="l00960"></a>00960 repaint(<span class="keyword">false</span>);
<a name="l00961"></a>00961 emit <a class="code" href="classSelectionInterface.html#f011571f91fca578e58f0cc72bb64cde" title="emitted when the user changed the selected region">selectionChanged</a>();
<a name="l00962"></a>00962 emit <a class="code" href="classSelectionInterface.html#5c7725a9ca79ffe13cc5966378de86fe" title="emitted when the user changed the aspect ratio of the selected region">aspectRatioChanged</a>();
<a name="l00963"></a>00963 }
<a name="l00964"></a>00964 <span class="comment">//==============================================</span>
<a name="l00965"></a><a class="code" href="classSelectionInterface.html#31e54213a11768e60de29129ec8eaf7d">00965</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#31e54213a11768e60de29129ec8eaf7d" title="selects none of the image">SelectionInterface::selectNone</a>()
<a name="l00966"></a>00966 {
<a name="l00967"></a>00967 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = QPoint(-1,-1);
<a name="l00968"></a>00968 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a> = QPoint(-1,-1);
<a name="l00969"></a>00969 <a class="code" href="classSelectionInterface.html#5e6a4c2f0898815bc0bdfd1d4dc27acf" title="Current crop max dimension (in inches).">cropMaxDimen</a> = -1.0;
<a name="l00970"></a>00970 repaint(<span class="keyword">false</span>);
<a name="l00971"></a>00971 emit <a class="code" href="classSelectionInterface.html#f011571f91fca578e58f0cc72bb64cde" title="emitted when the user changed the selected region">selectionChanged</a>();
<a name="l00972"></a>00972 emit <a class="code" href="classSelectionInterface.html#5c7725a9ca79ffe13cc5966378de86fe" title="emitted when the user changed the aspect ratio of the selected region">aspectRatioChanged</a>();
<a name="l00973"></a>00973 }
<a name="l00974"></a>00974 <span class="comment">//==============================================</span>
<a name="l00975"></a><a class="code" href="classSelectionInterface.html#9d6846ede17f33a9846abd6efe2df3f8">00975</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#9d6846ede17f33a9846abd6efe2df3f8" title="Sets the current selection cropMaxDimen specifies the idealized dimension in dominant...">SelectionInterface::setSelection</a>(QPoint <a class="code" href="redEye__internal_8h.html#6a9aebec61b1a6732045c187a6156f4f">topLeft</a>, QPoint <a class="code" href="redEye__internal_8h.html#75e80edb449bc9a0925be60719132bd0">bottomRight</a>,
<a name="l00976"></a>00976 <span class="keywordtype">double</span> cropMaxDimen)
<a name="l00977"></a>00977 {
<a name="l00978"></a>00978 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = topLeft;
<a name="l00979"></a>00979 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a> = bottomRight;
<a name="l00980"></a>00980
<a name="l00981"></a>00981 this->cropMaxDimen = cropMaxDimen;
<a name="l00982"></a>00982
<a name="l00983"></a>00983 <span class="comment">//cache selection size and center, necessary for computing next size</span>
<a name="l00984"></a>00984 <a class="code" href="classSelectionInterface.html#06b6c2a5e5c43fcb55be1127492320a9">cachedSelectionSize</a> = QSize( QABS( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() - <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )+1,
<a name="l00985"></a>00985 QABS( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() - <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )+1);
<a name="l00986"></a>00986 <a class="code" href="classSelectionInterface.html#8ea28a06f5b5bd9de5c21f998e9d4992" title="cache the aspect ratio when pressing the control buttion, this helps aleviate numerical...">cachedSelctionCenter</a> = QPoint( ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )/2,
<a name="l00987"></a>00987 ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )/2 );
<a name="l00988"></a>00988
<a name="l00989"></a>00989 repaint(<span class="keyword">false</span>);
<a name="l00990"></a>00990 emit <a class="code" href="classSelectionInterface.html#f011571f91fca578e58f0cc72bb64cde" title="emitted when the user changed the selected region">selectionChanged</a>();
<a name="l00991"></a>00991 }
<a name="l00992"></a>00992 <span class="comment">//==============================================</span>
<a name="l00993"></a><a class="code" href="classSelectionInterface.html#cf90bb6743ebc759ff43ab16aa7fa15f">00993</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#cf90bb6743ebc759ff43ab16aa7fa15f" title="Returns the current selected coordinates (actual slideshow image space, aka not including...">SelectionInterface::getSelection</a>(QPoint &<a class="code" href="redEye__internal_8h.html#6a9aebec61b1a6732045c187a6156f4f">topLeft</a>, QPoint &<a class="code" href="redEye__internal_8h.html#75e80edb449bc9a0925be60719132bd0">bottomRight</a>)
<a name="l00994"></a>00994 {
<a name="l00995"></a>00995 <span class="comment">//if none selected just return immediately</span>
<a name="l00996"></a>00996 <span class="keywordflow">if</span>(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() == -1)
<a name="l00997"></a>00997 {
<a name="l00998"></a>00998 topLeft.setX(-1); topLeft.setY(-1);
<a name="l00999"></a>00999 bottomRight.setX(-1); bottomRight.setY(-1);
<a name="l01000"></a>01000 <span class="keywordflow">return</span>;
<a name="l01001"></a>01001 }
<a name="l01002"></a>01002
<a name="l01003"></a>01003 <span class="comment">//set coordinates based on raw selection </span>
<a name="l01004"></a>01004 topLeft.setX( QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()) );
<a name="l01005"></a>01005 topLeft.setY( QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l01006"></a>01006 bottomRight.setX( QMAX( <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()) );
<a name="l01007"></a>01007 bottomRight.setY( QMAX( <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l01008"></a>01008 }
<a name="l01009"></a>01009 <span class="comment">//==============================================</span>
<a name="l01010"></a><a class="code" href="classSelectionInterface.html#7ad038bcab80c14877ef09e297ba31c3">01010</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#7ad038bcab80c14877ef09e297ba31c3" title="returns the current photo display size (in screen pixels)">SelectionInterface::getDisplaySize</a>(<span class="keywordtype">int</span> &<a class="code" href="blur_8cpp.html#2474a5474cbff19523a51eb1de01cda4">width</a>, <span class="keywordtype">int</span> &<a class="code" href="blur_8cpp.html#d12fc34ce789bce6c8a05d8a17138534">height</a>)
<a name="l01011"></a>01011 {
<a name="l01012"></a>01012 width = <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width();
<a name="l01013"></a>01013 height = <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.height();
<a name="l01014"></a>01014 }
<a name="l01015"></a>01015 <span class="comment">//==============================================</span>
<a name="l01016"></a><a class="code" href="classSelectionInterface.html#ee86045e3472d98793540d28e1065e10">01016</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#ee86045e3472d98793540d28e1065e10">SelectionInterface::keyPressEvent</a>(QKeyEvent *e)
<a name="l01017"></a>01017 {
<a name="l01018"></a>01018 <span class="comment">//if currently drawing a line, allow the user</span>
<a name="l01019"></a>01019 <span class="comment">//to escape the current acction by hiting escape, all other</span>
<a name="l01020"></a>01020 <span class="comment">//key presses are ignored</span>
<a name="l01021"></a>01021 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> == <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a5954399bca0721034821960b20a18dce">DRAW_LINE</a> )
<a name="l01022"></a>01022 {
<a name="l01023"></a>01023 <span class="keywordflow">if</span>(e->key() == Qt::Key_Escape )
<a name="l01024"></a>01024 {
<a name="l01025"></a>01025 <span class="comment">//reset mode, press and drag points so there is no selection, and mouse cursor</span>
<a name="l01026"></a>01026 <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> = <a class="code" href="histogramInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a548126d587d43d3630c45cd091e095f7">NO_EFFECT</a>;
<a name="l01027"></a>01027 <a class="code" href="classSelectionInterface.html#31e54213a11768e60de29129ec8eaf7d" title="selects none of the image">selectNone</a>();
<a name="l01028"></a>01028 <a class="code" href="classSelectionInterface.html#847638350fc4396f4f0c3cef10d37394" title="update mouse cursor based on position over widget and selected region">updateCursorShape</a>( <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>(<a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a>) );
<a name="l01029"></a>01029
<a name="l01030"></a>01030 <span class="comment">//emit an invalid line</span>
<a name="l01031"></a>01031 emit <a class="code" href="classSelectionInterface.html#232e9231878c57639e25bfaf5edebb0a" title="emitted once line has been selected, on or the other points will be set to -1,-1...">lineSelected</a>( QPoint(-1,-1), QPoint(-1,-1) );
<a name="l01032"></a>01032 }
<a name="l01033"></a>01033
<a name="l01034"></a>01034 <span class="keywordflow">return</span>;
<a name="l01035"></a>01035 }
<a name="l01036"></a>01036
<a name="l01037"></a>01037 <span class="comment">//if user pressed SHIFT button and selection non-empty </span>
<a name="l01038"></a>01038 <span class="comment">//then note state change, </span>
<a name="l01039"></a>01039 <span class="comment">//this will effect resizing selections during drag events</span>
<a name="l01040"></a>01040 <span class="keywordflow">if</span>(e->key() == Qt::Key_Shift && !<a class="code" href="classSelectionInterface.html#1b6e4a41f5e2200324a897e08d036d16" title="returns true if selection is empty">selectionEmpty</a>() )
<a name="l01041"></a>01041 {
<a name="l01042"></a>01042 <a class="code" href="classSelectionInterface.html#97ea45c59f8ea01c79c0ca0251d1d1e9" title="state of SHIFT button, effects if mouse drags adjust or scale the current selection...">SHIFT_Pressed</a> = <span class="keyword">true</span>;
<a name="l01043"></a>01043 <a class="code" href="classSelectionInterface.html#847638350fc4396f4f0c3cef10d37394" title="update mouse cursor based on position over widget and selected region">updateCursorShape</a>( <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>(<a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a>) );
<a name="l01044"></a>01044 <span class="keywordflow">return</span>;
<a name="l01045"></a>01045 }
<a name="l01046"></a>01046
<a name="l01047"></a>01047 <span class="comment">//if user pressed CTRL button and selection non-empty </span>
<a name="l01048"></a>01048 <span class="comment">//then note state change, </span>
<a name="l01049"></a>01049 <span class="comment">//this will effect mouse clicks by rotating the current selection</span>
<a name="l01050"></a>01050 <span class="keywordflow">if</span>(e->key() == Qt::Key_Control && !<a class="code" href="classSelectionInterface.html#1b6e4a41f5e2200324a897e08d036d16" title="returns true if selection is empty">selectionEmpty</a>() && !<a class="code" href="classSelectionInterface.html#97ea45c59f8ea01c79c0ca0251d1d1e9" title="state of SHIFT button, effects if mouse drags adjust or scale the current selection...">SHIFT_Pressed</a> )
<a name="l01051"></a>01051 {
<a name="l01052"></a>01052 <a class="code" href="classSelectionInterface.html#ef136a71014e006a7cbb41af594d5eae" title="state of CTRL button, effects if mouse clicks rotate current selection">CTRL_Pressed</a> = <span class="keyword">true</span>;
<a name="l01053"></a>01053 <a class="code" href="classSelectionInterface.html#847638350fc4396f4f0c3cef10d37394" title="update mouse cursor based on position over widget and selected region">updateCursorShape</a>( <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>(<a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a>) );
<a name="l01054"></a>01054 <span class="keywordflow">return</span>;
<a name="l01055"></a>01055 }
<a name="l01056"></a>01056
<a name="l01057"></a>01057 <span class="comment">//ignore keypress if selection is empty</span>
<a name="l01058"></a>01058 <span class="keywordflow">if</span>(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() == -1 ||
<a name="l01059"></a>01059 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() - <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() == 0 ||
<a name="l01060"></a>01060 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() - <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() == 0)
<a name="l01061"></a>01061 {
<a name="l01062"></a>01062 e->ignore();
<a name="l01063"></a>01063 <span class="keywordflow">return</span>;
<a name="l01064"></a>01064 }
<a name="l01065"></a>01065
<a name="l01066"></a>01066 <span class="comment">//ignore keypresses while mouse button is down since</span>
<a name="l01067"></a>01067 <span class="comment">//intended behavious is unclear</span>
<a name="l01068"></a>01068 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> != <a class="code" href="histogramInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a548126d587d43d3630c45cd091e095f7">NO_EFFECT</a> )
<a name="l01069"></a>01069 {
<a name="l01070"></a>01070 e->ignore();
<a name="l01071"></a>01071 <span class="keywordflow">return</span>;
<a name="l01072"></a>01072 }
<a name="l01073"></a>01073
<a name="l01074"></a>01074 <span class="comment">//------- </span>
<a name="l01075"></a>01075 <span class="comment">//if += / -_ keys are pressed scale selection</span>
<a name="l01076"></a>01076 <span class="keywordflow">if</span>( e->key() == Qt::Key_Plus ||
<a name="l01077"></a>01077 e->key() == Qt::Key_Equal ||
<a name="l01078"></a>01078 e->key() == Qt::Key_Minus ||
<a name="l01079"></a>01079 e->key() == Qt::Key_Underscore )
<a name="l01080"></a>01080 {
<a name="l01081"></a>01081 <span class="keywordtype">int</span> delta = 2*QMAX( <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width(), <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width() ) / <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width();
<a name="l01082"></a>01082
<a name="l01083"></a>01083 delta = 1;
<a name="l01084"></a>01084
<a name="l01085"></a>01085 <span class="comment">//negate delta if decreasing size</span>
<a name="l01086"></a>01086 <span class="keywordflow">if</span>( e->key() == Qt::Key_Minus ||
<a name="l01087"></a>01087 e->key() == Qt::Key_Underscore )
<a name="l01088"></a>01088 delta = -delta;
<a name="l01089"></a>01089
<a name="l01090"></a>01090 <span class="keywordflow">if</span>( <a class="code" href="classSelectionInterface.html#4de500af46da7af905635f04d50f6b77" title="increase/decrease selection while maintaining aspect ratio by changing selected width...">scaleSelection</a>( delta ) )
<a name="l01091"></a>01091 {
<a name="l01092"></a>01092 <span class="comment">//repaint the selection</span>
<a name="l01093"></a>01093 repaint(<span class="keyword">false</span>);
<a name="l01094"></a>01094 emit <a class="code" href="classSelectionInterface.html#f011571f91fca578e58f0cc72bb64cde" title="emitted when the user changed the selected region">selectionChanged</a>();
<a name="l01095"></a>01095 }
<a name="l01096"></a>01096 <span class="keywordflow">return</span>;
<a name="l01097"></a>01097 }
<a name="l01098"></a>01098 <span class="comment">//------- </span>
<a name="l01099"></a>01099
<a name="l01100"></a>01100 <span class="comment">//find topleft and bottom right of current selection</span>
<a name="l01101"></a>01101 QPoint <a class="code" href="redEye__internal_8h.html#6a9aebec61b1a6732045c187a6156f4f">topLeft</a>, <a class="code" href="redEye__internal_8h.html#75e80edb449bc9a0925be60719132bd0">bottomRight</a>;
<a name="l01102"></a>01102 topLeft.setX( QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()) );
<a name="l01103"></a>01103 topLeft.setY( QMIN(<a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l01104"></a>01104 bottomRight.setX( QMAX( <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x()) );
<a name="l01105"></a>01105 bottomRight.setY( QMAX( <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y(), <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y()) );
<a name="l01106"></a>01106
<a name="l01107"></a>01107 <span class="comment">//compute the number of pixels in the image correspond to one display pixel</span>
<a name="l01108"></a>01108 <span class="comment">//this is the unit by which the selection will be moved</span>
<a name="l01109"></a>01109 <span class="keywordtype">int</span> moveBy = 0;
<a name="l01110"></a>01110 <span class="keywordflow">if</span>( e->key() == Qt::Key_Left ||
<a name="l01111"></a>01111 e->key() == Qt::Key_Right )
<a name="l01112"></a>01112 {
<a name="l01113"></a>01113 moveBy = QMAX( <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width(), <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width() ) / <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.width();
<a name="l01114"></a>01114 }
<a name="l01115"></a>01115 <span class="keywordflow">else</span>
<a name="l01116"></a>01116 {
<a name="l01117"></a>01117 moveBy = QMAX( <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height(), <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.height() ) / <a class="code" href="classSelectionInterface.html#d665f6cec9fc01558d056adae031570b" title="Scaled image used for display purposes.">scaledImage</a>.height();
<a name="l01118"></a>01118 }
<a name="l01119"></a>01119
<a name="l01120"></a>01120 <span class="comment">//boundary checked moved by value. must be decalred outside switch statement below</span>
<a name="l01121"></a>01121 <span class="keywordtype">int</span> dx = 0;
<a name="l01122"></a>01122 <span class="keywordtype">int</span> dy = 0;
<a name="l01123"></a>01123 <span class="keywordflow">switch</span>( e->key() )
<a name="l01124"></a>01124 {
<a name="l01125"></a>01125 <span class="keywordflow">case</span> Qt::Key_Left:
<a name="l01126"></a>01126 dx = QMAX( topLeft.x() - moveBy, 0) - topLeft.x();
<a name="l01127"></a>01127 <span class="keywordflow">break</span>;
<a name="l01128"></a>01128 <span class="keywordflow">case</span> Qt::Key_Right:
<a name="l01129"></a>01129 dx = QMIN( bottomRight.x() + moveBy, <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.width() - 1) - bottomRight.x();
<a name="l01130"></a>01130 <span class="keywordflow">break</span>;
<a name="l01131"></a>01131 <span class="keywordflow">case</span> Qt::Key_Up:
<a name="l01132"></a>01132 dy = QMAX( topLeft.y() - moveBy, 0) - topLeft.y();
<a name="l01133"></a>01133 <span class="keywordflow">break</span>;
<a name="l01134"></a>01134 <span class="keywordflow">case</span> Qt::Key_Down:
<a name="l01135"></a>01135 dy = QMIN( bottomRight.y() + moveBy, <a class="code" href="classSelectionInterface.html#6929402967e5bbcf4e7470111efa938e" title="original image dimensions">origImageSize</a>.height() - 1) - bottomRight.y();
<a name="l01136"></a>01136 <span class="keywordflow">break</span>;
<a name="l01137"></a>01137 <span class="keywordflow">default</span>:
<a name="l01138"></a>01138 e->ignore();
<a name="l01139"></a>01139 <span class="keywordflow">return</span>;
<a name="l01140"></a>01140 }
<a name="l01141"></a>01141
<a name="l01142"></a>01142 <span class="comment">//shift by dx</span>
<a name="l01143"></a>01143 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.setX( <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() + dx );
<a name="l01144"></a>01144 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.setX( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() + dx );
<a name="l01145"></a>01145
<a name="l01146"></a>01146 <span class="comment">//shift by dy</span>
<a name="l01147"></a>01147 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.setY( <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() + dy );
<a name="l01148"></a>01148 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.setY( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() + dy );
<a name="l01149"></a>01149
<a name="l01150"></a>01150 <span class="comment">//recompute center</span>
<a name="l01151"></a>01151 <a class="code" href="classSelectionInterface.html#8ea28a06f5b5bd9de5c21f998e9d4992" title="cache the aspect ratio when pressing the control buttion, this helps aleviate numerical...">cachedSelctionCenter</a> = QPoint( ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.x() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.x() )/2,
<a name="l01152"></a>01152 ( <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a>.y() + <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a>.y() )/2 );
<a name="l01153"></a>01153
<a name="l01154"></a>01154 <span class="comment">//only bother with repaint and updating cursor shape if shift actually occured</span>
<a name="l01155"></a>01155 <span class="keywordflow">if</span>(dx != 0 || dy != 0)
<a name="l01156"></a>01156 {
<a name="l01157"></a>01157 repaint(<span class="keyword">false</span>);
<a name="l01158"></a>01158 <a class="code" href="classSelectionInterface.html#847638350fc4396f4f0c3cef10d37394" title="update mouse cursor based on position over widget and selected region">updateCursorShape</a>( <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>(<a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a>) );
<a name="l01159"></a>01159 }
<a name="l01160"></a>01160 }
<a name="l01161"></a>01161 <span class="comment">//==============================================</span>
<a name="l01162"></a><a class="code" href="classSelectionInterface.html#6237fb05cc3c0e26937ab06bfa7dfa72">01162</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#6237fb05cc3c0e26937ab06bfa7dfa72">SelectionInterface::keyReleaseEvent</a>(QKeyEvent *e)
<a name="l01163"></a>01163 {
<a name="l01164"></a>01164 <span class="comment">//if user released SHIFT button then note state change, </span>
<a name="l01165"></a>01165 <span class="comment">//this will effect resizing selections during drag events</span>
<a name="l01166"></a>01166 <span class="keywordflow">if</span>(e->key() == Qt::Key_Shift)
<a name="l01167"></a>01167 {
<a name="l01168"></a>01168 <a class="code" href="classSelectionInterface.html#97ea45c59f8ea01c79c0ca0251d1d1e9" title="state of SHIFT button, effects if mouse drags adjust or scale the current selection...">SHIFT_Pressed</a> = <span class="keyword">false</span>;
<a name="l01169"></a>01169 <a class="code" href="classSelectionInterface.html#847638350fc4396f4f0c3cef10d37394" title="update mouse cursor based on position over widget and selected region">updateCursorShape</a>( <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>(<a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a>) );
<a name="l01170"></a>01170 }
<a name="l01171"></a>01171 <span class="comment">//if user released CTRL button then note state change, </span>
<a name="l01172"></a>01172 <span class="comment">//this will effect mouse clicks</span>
<a name="l01173"></a>01173 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(e->key() == Qt::Key_Control)
<a name="l01174"></a>01174 {
<a name="l01175"></a>01175 <a class="code" href="classSelectionInterface.html#ef136a71014e006a7cbb41af594d5eae" title="state of CTRL button, effects if mouse clicks rotate current selection">CTRL_Pressed</a> = <span class="keyword">false</span>;
<a name="l01176"></a>01176 <a class="code" href="classSelectionInterface.html#847638350fc4396f4f0c3cef10d37394" title="update mouse cursor based on position over widget and selected region">updateCursorShape</a>( <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>(<a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a>) );
<a name="l01177"></a>01177 }
<a name="l01178"></a>01178 <span class="comment">//unhandled key press: pass up the object tree</span>
<a name="l01179"></a>01179 <span class="keywordflow">else</span> { e->ignore(); }
<a name="l01180"></a>01180 }
<a name="l01181"></a>01181 <span class="comment">//==============================================</span>
<a name="l01182"></a><a class="code" href="classSelectionInterface.html#8affc4268caeeaabaf0940181c48ff9f">01182</a> <span class="keywordtype">void</span> <a class="code" href="classSelectionInterface.html#8affc4268caeeaabaf0940181c48ff9f" title="enter draw line mode - used for tilt correction">SelectionInterface::enterDrawLineMode</a>()
<a name="l01183"></a>01183 {
<a name="l01184"></a>01184 <span class="comment">//set the current mode</span>
<a name="l01185"></a>01185 <a class="code" href="classSelectionInterface.html#731bb7cf32068e54df185c4405b1b3ef" title="method of dragging out, either new selection or resizing selection corner or side...">currentDragMode</a> = <a class="code" href="selectionInterface_8h.html#4d26b3730bd5b62a87de6a6b062cc88a5954399bca0721034821960b20a18dce">DRAW_LINE</a>;
<a name="l01186"></a>01186
<a name="l01187"></a>01187 <span class="comment">//during draw line mode ignore control and shift keys, they are only useful for adjusting</span>
<a name="l01188"></a>01188 <span class="comment">//selections, not lines</span>
<a name="l01189"></a>01189 <a class="code" href="classSelectionInterface.html#97ea45c59f8ea01c79c0ca0251d1d1e9" title="state of SHIFT button, effects if mouse drags adjust or scale the current selection...">SHIFT_Pressed</a> = <span class="keyword">false</span>;
<a name="l01190"></a>01190 <a class="code" href="classSelectionInterface.html#ef136a71014e006a7cbb41af594d5eae" title="state of CTRL button, effects if mouse clicks rotate current selection">CTRL_Pressed</a> = <span class="keyword">false</span>;
<a name="l01191"></a>01191
<a name="l01192"></a>01192 <span class="comment">//reset 1st point</span>
<a name="l01193"></a>01193 <a class="code" href="classSelectionInterface.html#08793b88930eccdf287ce1680f317446" title="first corner of selection, where mouse first clicked">mousePressPoint</a> = QPoint( -1, -1 );
<a name="l01194"></a>01194 <a class="code" href="classSelectionInterface.html#dd29d39a3875c9ffc91554b5b33c0c01" title="second corner of selection, where mouse moved to">mouseDragPoint</a> = QPoint( -1, -1 );
<a name="l01195"></a>01195
<a name="l01196"></a>01196 <span class="comment">//repaint and reset the mouse cursor</span>
<a name="l01197"></a>01197 <a class="code" href="classSelectionInterface.html#847638350fc4396f4f0c3cef10d37394" title="update mouse cursor based on position over widget and selected region">updateCursorShape</a>( <a class="code" href="classSelectionInterface.html#7607e02d993f12bd84843896a2642d75" title="converts a point from original image coordinates to display coordinates">ConvertImageToDisplayCoordinate</a>(<a class="code" href="classSelectionInterface.html#ef1c1d1a15f9ebf440d8c1ff35175390" title="cached mouse position, used to scale or drag around selection area">cachedMousePosition</a>) );
<a name="l01198"></a>01198 repaint(<span class="keyword">false</span>);
<a name="l01199"></a>01199 }
<a name="l01200"></a>01200 <span class="comment">//==============================================</span>
<a name="l01201"></a>01201
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Sun Aug 23 02:34:27 2009 for AlbumShaper by
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