Add color manipulation utilities

2025-07-25 10:41:15 +03:00
parent d527bd4686
commit 92fab9dbba
9 changed files with 1413 additions and 0 deletions
--- a/include/BH/Color.h
+++ b/include/BH/Color.h
@@ -0,0 +1,151 @@
+#ifndef BH_COLOR_H
+#define BH_COLOR_H
+
+
+#include "Common.h"
+
+
+#define BH_COLOR_TYPE_RGBA 0x0000
+#define BH_COLOR_TYPE_HSVA 0x0001
+#define BH_COLOR_TYPE_HSLA 0x0002
+
+
+#define BH_COLOR_MODE_NORMAL        0x0000
+#define BH_COLOR_MODE_MULTIPLY      0x0001
+#define BH_COLOR_MODE_SCREEN        0x0002
+#define BH_COLOR_MODE_OVERLAY       0x0003
+#define BH_COLOR_MODE_DARKEN        0x0004
+#define BH_COLOR_MODE_LIGHTEN       0x0005
+#define BH_COLOR_MODE_COLOR_DODGE   0x0006
+#define BH_COLOR_MODE_COLOR_BURN    0x0007
+#define BH_COLOR_MODE_LINEAR_DODGE  0x0008
+#define BH_COLOR_MODE_LINEAR_BURN   0x0009
+#define BH_COLOR_MODE_HARD_LIGHT    0x000A
+#define BH_COLOR_MODE_SOFT_LIGHT    0x000B
+#define BH_COLOR_MODE_DIFFERENCE    0x000C
+#define BH_COLOR_MODE_EXCLUSION     0x000D
+#define BH_COLOR_MODE_HUE           0x000E
+#define BH_COLOR_MODE_SATURATION    0x000F
+#define BH_COLOR_MODE_COLOR         0x0010
+#define BH_COLOR_MODE_LUMINOSITY    0x0011
+
+
+typedef struct BH_Color
+{
+    int type;
+    union
+    {
+        struct
+        {
+            uint16_t r;
+            uint16_t g;
+            uint16_t b;
+            uint16_t a;
+        } rgba;
+        struct
+        {
+            uint16_t h;
+            uint16_t s;
+            uint16_t v;
+            uint16_t a;
+        } hsva;
+        struct
+        {
+            uint16_t h;
+            uint16_t s;
+            uint16_t l;
+            uint16_t a;
+        } hsla;
+    } data;
+} BH_Color;
+
+
+void BH_ColorRGBA8(const BH_Color *color,
+                   uint8_t *r,
+                   uint8_t *g,
+                   uint8_t *b,
+                   uint8_t *a);
+
+
+void BH_ColorRGBA16(const BH_Color *color,
+                    uint16_t *r,
+                    uint16_t *g,
+                    uint16_t *b,
+                    uint16_t *a);
+
+
+void BH_ColorRGBAf(const BH_Color *color,
+                   float *r,
+                   float *g,
+                   float *b,
+                   float *a);
+
+
+void BH_ColorSetRGBA8(BH_Color *color,
+                      uint8_t r,
+                      uint8_t g,
+                      uint8_t b,
+                      uint8_t a);
+
+
+void BH_ColorSetRGBA16(BH_Color *color,
+                       uint16_t r,
+                       uint16_t g,
+                       uint16_t b,
+                       uint16_t a);
+
+
+void BH_ColorSetRGBAf(BH_Color *color,
+                      float r,
+                      float g,
+                      float b,
+                      float a);
+
+
+void BH_ColorHSVAf(const BH_Color *color,
+                   float *h,
+                   float *s,
+                   float *v,
+                   float *a);
+
+
+void BH_ColorSetHSVAf(BH_Color *color,
+                      float h,
+                      float s,
+                      float v,
+                      float a);
+
+
+void BH_ColorHSLAf(const BH_Color *color,
+                   float *h,
+                   float *s,
+                   float *l,
+                   float *a);
+
+
+void BH_ColorSetHSLAf(BH_Color *color,
+                      float h,
+                      float s,
+                      float l,
+                      float a);
+
+
+void BH_ColorToRGBA(const BH_Color *color,
+                    BH_Color *out);
+
+
+void BH_ColorToHSVA(const BH_Color *color,
+                    BH_Color *out);
+
+
+void BH_ColorToHSLA(const BH_Color *color,
+                    BH_Color *out);
+
+
+void BH_ColorBlend(const BH_Color *foreground,
+                   const BH_Color *background,
+                   int mode,
+                   BH_Color *dest);
+
+
+#endif /* BH_COLOR_H */