114 lines
3.2 KiB
C
114 lines
3.2 KiB
C
#ifndef _PAYSAGES_TOOLS_COLOR_H_
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#define _PAYSAGES_TOOLS_COLOR_H_
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#include "curve.h"
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#include "pack.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define TYPEDEF_COLOR
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typedef struct
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{
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double r;
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double g;
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double b;
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double a;
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} Color;
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extern Color COLOR_TRANSPARENT;
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extern Color COLOR_BLACK;
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extern Color COLOR_RED;
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extern Color COLOR_GREEN;
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extern Color COLOR_BLUE;
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extern Color COLOR_WHITE;
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extern Color COLOR_GREY;
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/* Color */
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void colorSave(PackStream* stream, Color* col);
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void colorLoad(PackStream* stream, Color* col);
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Color colorFromValues(double r, double g, double b, double a);
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unsigned int colorTo32BitRGBA(Color* col);
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unsigned int colorTo32BitBGRA(Color* col);
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unsigned int colorTo32BitARGB(Color* col);
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unsigned int colorTo32BitABGR(Color* col);
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Color colorFrom32BitRGBA(unsigned int col);
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Color colorFrom32BitBGRA(unsigned int col);
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Color colorFrom32BitARGB(unsigned int col);
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Color colorFrom32BitABGR(unsigned int col);
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void colorMask(Color* base, Color* mask);
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double colorNormalize(Color* col);
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double colorGetValue(Color* col);
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double colorGetPower(Color* col);
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void colorLimitPower(Color* col, double max_power);
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/* HDR profile for tone-mapping */
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typedef struct ColorProfile ColorProfile;
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typedef enum
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{
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TONE_MAPPING_UNCHARTED,
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TONE_MAPPING_REIHNARD,
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TONE_MAPPING_CLAMP
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} ToneMappingOperator;
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ColorProfile* colorProfileCreate();
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void colorProfileDelete(ColorProfile* profile);
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void colorProfileSetToneMapping(ColorProfile* profile, ToneMappingOperator tonemapper, double exposure);
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void colorProfileSave(PackStream* stream, ColorProfile* profile);
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void colorProfileLoad(PackStream* stream, ColorProfile* profile);
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void colorProfileClear(ColorProfile* profile);
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int colorProfileCollect(ColorProfile* profile, Color pixel);
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Color colorProfileApply(ColorProfile* profile, Color pixel);
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/* ColorGradation */
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typedef struct ColorGradation ColorGradation;
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ColorGradation* colorGradationCreate();
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void colorGradationDelete(ColorGradation* gradation);
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void colorGradationCopy(ColorGradation* source, ColorGradation* destination);
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void colorGradationClear(ColorGradation* gradation);
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void colorGradationSave(PackStream* stream, ColorGradation* gradation);
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void colorGradationLoad(PackStream* stream, ColorGradation* gradation);
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void colorGradationGetRedCurve(ColorGradation* gradation, Curve* curve);
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void colorGradationGetGreenCurve(ColorGradation* gradation, Curve* curve);
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void colorGradationGetBlueCurve(ColorGradation* gradation, Curve* curve);
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void colorGradationSetRedCurve(ColorGradation* gradation, Curve* curve);
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void colorGradationSetGreenCurve(ColorGradation* gradation, Curve* curve);
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void colorGradationSetBlueCurve(ColorGradation* gradation, Curve* curve);
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void colorGradationQuickAdd(ColorGradation* gradation, double value, Color* col);
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void colorGradationQuickAddRgb(ColorGradation* gradation, double value, double r, double g, double b);
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Color colorGradationGet(ColorGradation* gradation, double value);
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/* HSL color space */
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typedef struct
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{
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double h;
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double s;
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double l;
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double a;
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} ColorHSL;
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Color colorFromHSL(ColorHSL col);
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ColorHSL colorToHSL(Color col);
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ColorHSL colorHSLFromValues(double h, double s, double l, double a);
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#ifdef __cplusplus
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}
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#endif
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#endif
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