/* * 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. */ /* * Rubber - rubberbanding graphical objects */ #ifndef iv2_6_rubband_h #define iv2_6_rubband_h #include <InterViews/boolean.h> #include <InterViews/coord.h> #include <InterViews/resource.h> enum Side { LeftSide, RightSide, BottomSide, TopSide }; class Canvas; class Painter; class Rubberband : public Resource { public: Rubberband(Painter*, Canvas*, IntCoord offx, IntCoord offy); virtual ~Rubberband(); virtual void Draw(); virtual void Redraw(); virtual void Erase(); virtual void Track(IntCoord x, IntCoord y); virtual void SetPainter(Painter*); virtual void SetCanvas(Canvas*); Painter* GetPainter(); Canvas* GetCanvas(); protected: float Angle(IntCoord, IntCoord, IntCoord, IntCoord); float Distance(IntCoord, IntCoord, IntCoord, IntCoord); protected: Painter* output; Canvas* canvas; boolean drawn; IntCoord trackx, offx; IntCoord tracky, offy; }; inline Painter* Rubberband::GetPainter () { return output; } inline Canvas* Rubberband::GetCanvas () { return canvas; } #include <IV-2_6/_leave.h> #endif