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79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
// This code is in the public domain -- castanyo@yahoo.es
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#pragma once
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#include "nvimage.h"
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#include "nvcore/Debug.h"
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#if NV_USE_ALTIVEC
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#undef pixel
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#endif
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namespace nv
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{
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class Color32;
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// 32 bit ARGB image.
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class Image
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{
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public:
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enum Format : uint8 {
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Format_XRGB,
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Format_ARGB,
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};
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Image() {}
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Image(const Image & img);
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~Image();
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const Image & operator=(const Image & img);
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void allocate(uint w, uint h, uint d = 1);
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void acquire(Color32 * data, uint w, uint h, uint d = 1);
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bool load(const char * name);
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void free();
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void resize(uint w, uint h, uint d = 1);
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void wrap(void * data, uint w, uint h, uint d = 1);
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void unwrap();
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const Color32 * scanline(uint h) const;
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Color32 * scanline(uint h);
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const Color32 * pixels() const;
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Color32 * pixels();
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const Color32 & pixel(uint idx) const;
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Color32 & pixel(uint idx);
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const Color32 & pixel(uint x, uint y, uint z = 0) const;
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Color32 & pixel(uint x, uint y, uint z = 0);
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void fill(Color32 c);
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uint width = 0;
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uint height = 0;
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uint depth = 0;
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Format format = Format_XRGB;
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bool sRGB = false;
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Color32 * data = NULL;
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};
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inline const Color32 & Image::pixel(uint x, uint y, uint z) const
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{
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nvDebugCheck(x < width && y < height && z < depth);
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return pixel((z * height + y) * width + x);
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}
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inline Color32 & Image::pixel(uint x, uint y, uint z)
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{
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nvDebugCheck(x < width && y < height && z < depth);
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return pixel((z * height + y) * width + x);
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}
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} // nv namespace
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