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/*****
* drawimage.h
* John Bowman
*
* Stores a image that has been added to a picture.
*****/
#ifndef DRAWIMAGE_H
#define DRAWIMAGE_H
#include "drawelement.h"
#include "array.h"
namespace camp {
class drawImage : public drawElement {
protected:
transform t;
bool antialias;
public:
drawImage(const transform& t, bool antialias, const string& key="")
: drawElement(key), t(t), antialias(antialias) {}
virtual ~drawImage() {}
void bounds(bbox& b, iopipestream&, boxvector&, bboxlist&) {
b += t*pair(0,0);
b += t*pair(1,1);
}
bool svg() {return true;}
bool svgpng() {return true;}
};
class drawPaletteImage : public drawImage {
vm::array image;
vm::array palette;
public:
drawPaletteImage(const vm::array& image, const vm::array& palette,
const transform& t, bool antialias, const string& key="")
: drawImage(t,antialias,key), image(image), palette(palette) {}
virtual ~drawPaletteImage() {}
bool draw(psfile *out) {
out->gsave();
out->concat(t);
out->image(image,palette,antialias);
out->grestore();
return true;
}
drawElement *transformed(const transform& T) {
return new drawPaletteImage(image,palette,T*t,antialias,KEY);
}
};
class drawNoPaletteImage : public drawImage {
vm::array image;
public:
drawNoPaletteImage(const vm::array& image, const transform& t,
bool antialias, const string& key="")
: drawImage(t,antialias,key), image(image) {}
virtual ~drawNoPaletteImage() {}
bool draw(psfile *out) {
out->gsave();
out->concat(t);
out->image(image,antialias);
out->grestore();
return true;
}
drawElement *transformed(const transform& T) {
return new drawNoPaletteImage(image,T*t,antialias,KEY);
}
};
class drawFunctionImage : public drawImage {
vm::stack *Stack;
vm::callable *f;
Int width, height;
public:
drawFunctionImage(vm::stack *Stack, vm::callable *f, Int width, Int height,
const transform& t, bool antialias, const string& key="")
: drawImage(t,antialias,key), Stack(Stack), f(f),
width(width), height(height) {}
virtual ~drawFunctionImage() {}
bool draw(psfile *out) {
out->gsave();
out->concat(t);
out->image(Stack,f,width,height,antialias);
out->grestore();
return true;
}
drawElement *transformed(const transform& T) {
return new drawFunctionImage(Stack,f,width,height,T*t,antialias,KEY);
}
};
class drawRawImage : public drawImage {
unsigned char *raw; // For internal use; not buffered, may be overwritten.
size_t width,height;
public:
drawRawImage(unsigned char *raw, size_t width, size_t height,
const transform& t, bool antialias, const string& key="")
: drawImage(t,antialias,key), raw(raw), width(width), height(height) {}
virtual ~drawRawImage() {}
bool draw(psfile *out) {
out->gsave();
out->concat(t);
out->rawimage(raw,width,height,antialias);
out->grestore();
return true;
}
};
}
#endif
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