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INTERVIE
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RASTER.H
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C/C++ Source or Header
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1992-02-18
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3KB
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85 lines
/*
* Copyright (c) 1987, 1988, 1989 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Raster - rasterized image
*/
#ifndef raster_h
#define raster_h
#include <InterViews/defs.h>
#include <InterViews/resource.h>
class Color;
class Canvas;
class Raster : public Resource {
public:
Raster(Color** data, int width, int height);
Raster(Canvas*, int x0, int y0, int width, int height);
Raster(Raster*);
~Raster();
int Width();
int Height();
boolean Contains(int x, int y);
Index(int x, int y);
Color* Peek(int x, int y);
void Poke(Color*, int x, int y);
protected:
friend class Painter;
Color** raster;
class RasterRep* rep;
};
class RasterRep {
private:
friend class Raster;
friend class Painter;
RasterRep(int w, int h);
RasterRep(Canvas*, int x0, int y0, int w, int h);
RasterRep(RasterRep*);
~RasterRep();
long unsigned GetPixel(int x, int y);
void PutPixel(int x, int y, Color*);
void* GetData();
int width;
int height;
void* data;
};
inline int Raster::Width () { return rep->width; }
inline int Raster::Height () { return rep->height; }
inline boolean Raster::Contains (int x, int y) {
return x >= 0 && x < Width() && y >= 0 && y < Height();
}
inline int Raster::Index (int x, int y) { return y * Width() + x; }
#endif