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#ifndef CGE_PIX_H
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#define CGE_PIX_H
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#include <stdint.h>
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#include <stddef.h>
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enum CgeColorType {
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CGE_COLOR_RGBA,
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CGE_COLOR_HSVA,
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CGE_COLOR_HSLA
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};
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enum CgePixFormat {
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CGE_PIX_UNKNOWN,
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CGE_PIX_INDEX1,
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CGE_PIX_INDEX1_LSB,
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CGE_PIX_INDEX2,
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CGE_PIX_INDEX2_LSB,
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CGE_PIX_INDEX4,
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CGE_PIX_INDEX4_LSB,
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CGE_PIX_INDEX8,
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CGE_PIX_R8,
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CGE_PIX_R16,
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CGE_PIX_R32F,
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CGE_PIX_RGB8,
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CGE_PIX_BGR8,
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CGE_PIX_RGB16,
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CGE_PIX_BGR16,
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CGE_PIX_RGB32F,
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CGE_PIX_BGR32F,
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CGE_PIX_RGBA8,
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CGE_PIX_BGRA8,
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CGE_PIX_ARGB8,
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CGE_PIX_ABGR8,
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CGE_PIX_RGBA16,
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CGE_PIX_BGRA16,
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CGE_PIX_ARGB16,
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CGE_PIX_ABGR16,
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CGE_PIX_RGBA32F,
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CGE_PIX_BGRA32F,
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CGE_PIX_ARGB32F,
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CGE_PIX_ABGR32F,
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CGE_PIX_RGB565,
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CGE_PIX_BGR565,
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CGE_PIX_RGBA5551,
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CGE_PIX_BGRA5551,
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CGE_PIX_ARGB1555,
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CGE_PIX_ABGR1555,
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CGE_PIX_RGBA1010102,
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CGE_PIX_BGRA1010102,
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CGE_PIX_ARGB2101010,
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CGE_PIX_ABGR2101010,
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};
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enum CgePixFlags {
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CGE_PIX_PREMULTIPLIED = (1 << 0),
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CGE_PIX_NOALPHA = (1 << 1),
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CGE_PIX_ALIGN32 = (1 << 2),
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};
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typedef struct CgeColor {
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union {
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struct {
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uint16_t r;
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uint16_t g;
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uint16_t b;
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uint16_t a;
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} rgba;
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struct {
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uint16_t h;
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uint16_t s;
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uint16_t v;
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uint16_t a;
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} hsva;
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struct {
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uint16_t h;
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uint16_t s;
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uint16_t l;
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uint16_t a;
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} hsla;
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uint16_t channel[4];
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} data;
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int type;
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} CgeColor;
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typedef struct CgePix
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{
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uint32_t width;
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uint32_t height;
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int format;
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int flags;
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size_t stride;
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void *data;
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CgeColor *palette;
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} CgePix;
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void CgeColorRGBA8(const CgeColor *color, uint8_t *r, uint8_t *g, uint8_t *b,
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uint8_t *a);
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void CgeColorRGBA16(const CgeColor *color, uint16_t *r, uint16_t *g,
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uint16_t *b, uint16_t *a);
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void CgeColorRGBAf(const CgeColor *color, float *r, float *g, float *b,
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float *a);
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void CgeColorSetRGBA8(CgeColor *color, uint8_t r, uint8_t g, uint8_t b,
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uint8_t a);
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void CgeColorSetRGBA16(CgeColor *color, uint16_t r, uint16_t g, uint16_t b,
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uint16_t a);
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void CgeColorSetRGBAf(CgeColor *color, float r, float g, float b, float a);
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void CgeColorHSVAf(const CgeColor *color, float *h, float *s, float *v,
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float *a);
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void CgeColorSetHSVAf(CgeColor *color, float h, float s, float v, float a);
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void CgeColorHSLAf(const CgeColor *color, float *h, float *s, float *l,
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float *a);
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void CgeColorSetHSLAf(CgeColor *color, float h, float s, float l, float a);
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void CgeColorToRGBA(const CgeColor *color, CgeColor *out);
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void CgeColorToHSVA(const CgeColor *color, CgeColor *out);
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void CgeColorToHSLA(const CgeColor *color, CgeColor *out);
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void CgeColorPremultiply(const CgeColor *color, CgeColor *out);
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void CgeColorUnpremultiply(const CgeColor *color, CgeColor *out);
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void CgeColorBlendNormal(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendMultiply(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendScreen(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendOverlay(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendDarken(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendLighten(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendColorDodge(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendColorBurn(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendLinearDodge(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendLinearBurn(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendHardLight(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendSoftLight(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendDifference(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendExclusion(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendHue(const CgeColor *fg, const CgeColor *bg, CgeColor *out);
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void CgeColorBlendSaturation(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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void CgeColorBlendColor(const CgeColor *fg, const CgeColor *bg, CgeColor *out);
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void CgeColorBlendLuminosity(const CgeColor *fg, const CgeColor *bg,
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CgeColor *out);
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int CgePixFormatIs32Native(int format);
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size_t CgePixInitLayout(uint32_t width, uint32_t height, int format, int flags,
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CgePix *out);
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void CgePixView(CgePix *pix, uint32_t x, uint32_t y, uint32_t width,
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uint32_t height, CgePix *out);
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size_t CgePixSize(const CgePix *pix);
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void *CgePixScanline(const CgePix *pix, uint32_t y);
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void *CgePixAt(const CgePix *pix, uint32_t x, uint32_t y);
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void CgePixColor(const CgePix *pix, uint32_t x, uint32_t y, CgeColor *value);
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void CgePixSetColor(CgePix *pix, uint32_t x, uint32_t y, const CgeColor *value);
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uint8_t CgePixIndex(const CgePix *pix, uint32_t x, uint32_t y);
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void CgePixSetIndex(CgePix *pix, uint32_t x, uint32_t y, uint8_t index);
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void CgePixConvertRow(void *src, int srcFormat, int srcFlags,
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const CgeColor *srcPalette, void *dest, int destFormat,
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int destFlags, const CgeColor *destPalette, size_t count);
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#endif /* CGE_PIX_H */
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