45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
#ifndef __COLORMOD
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#define __COLORMOD 1
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typedef struct _imlib_color_modifier ImlibColorModifier;
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struct _imlib_color_modifier
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{
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DATA8 red_mapping[256];
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DATA8 green_mapping[256];
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DATA8 blue_mapping[256];
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DATA8 alpha_mapping[256];
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DATABIG modification_count;
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};
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#define CMOD_APPLY_RGB(cm, r, g, b) \
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(r) = (cm)->red_mapping[(int)(r)]; \
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(g) = (cm)->green_mapping[(int)(g)]; \
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(b) = (cm)->blue_mapping[(int)(b)];
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#define CMOD_APPLY_RGBA(cm, r, g, b, a) \
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(r) = (cm)->red_mapping[(int)(r)]; \
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(g) = (cm)->green_mapping[(int)(g)]; \
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(b) = (cm)->blue_mapping[(int)(b)]; \
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(a) = (cm)->alpha_mapping[(int)(a)];
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ImlibColorModifier * __imlib_CreateCmod(void);
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void __imlib_FreeCmod(ImlibColorModifier *cm);
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void __imlib_CmodChanged(ImlibColorModifier *cm);
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void __imlib_CmodSetTables(ImlibColorModifier *cm, DATA8 *r,
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DATA8 *g, DATA8 *b, DATA8 *a);
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void __imlib_CmodReset(ImlibColorModifier *cm);
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void __imlib_DataCmodApply(DATA32 *data, int w, int h,
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int jump,
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ImlibColorModifier *cm);
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void __imlib_CmodGetTables(ImlibColorModifier *cm, DATA8 *r,
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DATA8 *g, DATA8 *b, DATA8 *a);
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void __imlib_CmodModBrightness(ImlibColorModifier *cm,
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double v);
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void __imlib_CmodModContrast(ImlibColorModifier *cm,
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double v);
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void __imlib_CmodModGamma(ImlibColorModifier *cm,
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double v);
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#endif
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