/* * Copyright (c) 1987, 1988, 1989, 1990, 1991 Stanford University * Copyright (c) 1991 Silicon Graphics, Inc. * * Permission to use, copy, modify, distribute, and sell this software and * its documentation for any purpose is hereby granted without fee, provided * that (i) the above copyright notices and this permission notice appear in * all copies of the software and related documentation, and (ii) the names of * Stanford and Silicon Graphics may not be used in any advertising or * publicity relating to the software without the specific, prior written * permission of Stanford and Silicon Graphics. * * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. * * IN NO EVENT SHALL STANFORD OR SILICON GRAPHICS BE LIABLE FOR * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. */ /* * Rubberbanding for simple lines. */ #ifndef iv2_6_rubline_h #define iv2_6_rubline_h #include <IV-2_6/InterViews/rubband.h> class RubberLine : public Rubberband { public: RubberLine( Painter*, Canvas*, IntCoord x0, IntCoord y0, IntCoord x1, IntCoord y1, IntCoord offx = 0, IntCoord offy = 0 ); virtual void GetOriginal( IntCoord& x0, IntCoord& y0, IntCoord& x1, IntCoord& y1 ); virtual void GetCurrent( IntCoord& x0, IntCoord& y0, IntCoord& x1, IntCoord& y1 ); virtual void Draw(); protected: IntCoord fixedx, fixedy; IntCoord movingx, movingy; }; class RubberAxis : public RubberLine { public: RubberAxis( Painter*, Canvas*, IntCoord x0, IntCoord y0, IntCoord x1, IntCoord y1, IntCoord offx = 0, IntCoord offy = 0 ); virtual void GetCurrent( IntCoord& x0, IntCoord& y0, IntCoord& x1, IntCoord& y1 ); }; class SlidingLine : public RubberLine { public: SlidingLine( Painter*, Canvas*, IntCoord x0, IntCoord y0, IntCoord x1, IntCoord y1, IntCoord rfx, IntCoord rfy, IntCoord offx = 0, IntCoord offy = 0 ); virtual void GetCurrent( IntCoord& x0, IntCoord& y0, IntCoord& x1, IntCoord& y1 ); protected: IntCoord refx; IntCoord refy; }; class ScalingLine : public RubberLine { public: ScalingLine( Painter*, Canvas*, IntCoord x0, IntCoord y0, IntCoord x1, IntCoord y1, IntCoord cx, IntCoord cy, IntCoord offx = 0, IntCoord offy = 0 ); virtual void GetCurrent( IntCoord& x0, IntCoord& y0, IntCoord& x1, IntCoord& y1 ); float CurrentScaling(); protected: IntCoord centerx, centery; int width, height; }; class RotatingLine : public RubberLine { public: RotatingLine( Painter*, Canvas*, IntCoord x0, IntCoord y0, IntCoord x1, IntCoord y1, IntCoord cx, IntCoord cy, IntCoord rfx, IntCoord rfy, IntCoord offx = 0, IntCoord offy = 0 ); virtual void GetCurrent( IntCoord& x0, IntCoord& y0, IntCoord& x1, IntCoord& y1 ); float OriginalAngle(); float CurrentAngle(); protected: void Transform ( IntCoord& x, IntCoord& y, double a0, double a1, double b0, double b1, double c0, double c1 ); protected: IntCoord centerx, centery, refx, refy; }; #endif