diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core.c | 167 | ||||
| -rw-r--r-- | src/raylib.h | 26 | ||||
| -rw-r--r-- | src/textures.c | 453 |
3 files changed, 325 insertions, 321 deletions
@@ -1767,160 +1767,6 @@ double GetTime(void) #endif } -// Returns hexadecimal value for a Color -int ColorToInt(Color color) -{ - return (((int)color.r << 24) | ((int)color.g << 16) | ((int)color.b << 8) | (int)color.a); -} - -// Returns color normalized as float [0..1] -Vector4 ColorNormalize(Color color) -{ - Vector4 result; - - result.x = (float)color.r/255.0f; - result.y = (float)color.g/255.0f; - result.z = (float)color.b/255.0f; - result.w = (float)color.a/255.0f; - - return result; -} - -// Returns color from normalized values [0..1] -Color ColorFromNormalized(Vector4 normalized) -{ - Color result; - - result.r = (unsigned char)(normalized.x*255.0f); - result.g = (unsigned char)(normalized.y*255.0f); - result.b = (unsigned char)(normalized.z*255.0f); - result.a = (unsigned char)(normalized.w*255.0f); - - return result; -} - -// Returns HSV values for a Color -// NOTE: Hue is returned as degrees [0..360] -Vector3 ColorToHSV(Color color) -{ - Vector3 hsv = { 0 }; - Vector3 rgb = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f }; - float min, max, delta; - - min = rgb.x < rgb.y? rgb.x : rgb.y; - min = min < rgb.z? min : rgb.z; - - max = rgb.x > rgb.y? rgb.x : rgb.y; - max = max > rgb.z? max : rgb.z; - - hsv.z = max; // Value - delta = max - min; - - if (delta < 0.00001f) - { - hsv.y = 0.0f; - hsv.x = 0.0f; // Undefined, maybe NAN? - return hsv; - } - - if (max > 0.0f) - { - // NOTE: If max is 0, this divide would cause a crash - hsv.y = (delta/max); // Saturation - } - else - { - // NOTE: If max is 0, then r = g = b = 0, s = 0, h is undefined - hsv.y = 0.0f; - hsv.x = NAN; // Undefined - return hsv; - } - - // NOTE: Comparing float values could not work properly - if (rgb.x >= max) hsv.x = (rgb.y - rgb.z)/delta; // Between yellow & magenta - else - { - if (rgb.y >= max) hsv.x = 2.0f + (rgb.z - rgb.x)/delta; // Between cyan & yellow - else hsv.x = 4.0f + (rgb.x - rgb.y)/delta; // Between magenta & cyan - } - - hsv.x *= 60.0f; // Convert to degrees - - if (hsv.x < 0.0f) hsv.x += 360.0f; - - return hsv; -} - -// Returns a Color from HSV values -// Implementation reference: https://en.wikipedia.org/wiki/HSL_and_HSV#Alternative_HSV_conversion -// NOTE: Color->HSV->Color conversion will not yield exactly the same color due to rounding errors -Color ColorFromHSV(Vector3 hsv) -{ - Color color = { 0, 0, 0, 255 }; - float h = hsv.x, s = hsv.y, v = hsv.z; - - // Red channel - float k = fmodf((5.0f + h/60.0f), 6); - float t = 4.0f - k; - k = (t < k)? t : k; - k = (k < 1)? k : 1; - k = (k > 0)? k : 0; - color.r = (unsigned char)((v - v*s*k)*255.0f); - - // Green channel - k = fmodf((3.0f + h/60.0f), 6); - t = 4.0f - k; - k = (t < k)? t : k; - k = (k < 1)? k : 1; - k = (k > 0)? k : 0; - color.g = (unsigned char)((v - v*s*k)*255.0f); - - // Blue channel - k = fmodf((1.0f + h/60.0f), 6); - t = 4.0f - k; - k = (t < k)? t : k; - k = (k < 1)? k : 1; - k = (k > 0)? k : 0; - color.b = (unsigned char)((v - v*s*k)*255.0f); - - return color; -} - -// Returns a Color struct from hexadecimal value -Color GetColor(int hexValue) -{ - Color color; - - color.r = (unsigned char)(hexValue >> 24) & 0xFF; - color.g = (unsigned char)(hexValue >> 16) & 0xFF; - color.b = (unsigned char)(hexValue >> 8) & 0xFF; - color.a = (unsigned char)hexValue & 0xFF; - - return color; -} - -// Returns a random value between min and max (both included) -int GetRandomValue(int min, int max) -{ - if (min > max) - { - int tmp = max; - max = min; - min = tmp; - } - - return (rand()%(abs(max - min) + 1) + min); -} - -// Color fade-in or fade-out, alpha goes from 0.0f to 1.0f -Color Fade(Color color, float alpha) -{ - if (alpha < 0.0f) alpha = 0.0f; - else if (alpha > 1.0f) alpha = 1.0f; - - return (Color){color.r, color.g, color.b, (unsigned char)(255.0f*alpha)}; -} - // Setup window configuration flags (view FLAGS) void SetConfigFlags(unsigned int flags) { @@ -1966,6 +1812,19 @@ void TakeScreenshot(const char *fileName) TRACELOG(LOG_INFO, "SYSTEM: [%s] Screenshot taken successfully", path); } +// Returns a random value between min and max (both included) +int GetRandomValue(int min, int max) +{ + if (min > max) + { + int tmp = max; + max = min; + min = tmp; + } + + return (rand()%(abs(max - min) + 1) + min); +} + // Check if the file exists bool FileExists(const char *fileName) { diff --git a/src/raylib.h b/src/raylib.h index 5e70d801..d92376bf 100644 --- a/src/raylib.h +++ b/src/raylib.h @@ -158,6 +158,8 @@ #define ShowWindow UnhideWindow #define LoadText LoadFileText +#define Fade(c, a) ColorAlpha(c, a) + //---------------------------------------------------------------------------------- // Structures Definition //---------------------------------------------------------------------------------- @@ -933,15 +935,6 @@ RLAPI int GetFPS(void); // Returns cur RLAPI float GetFrameTime(void); // Returns time in seconds for last frame drawn RLAPI double GetTime(void); // Returns elapsed time in seconds since InitWindow() -// Color-related functions -RLAPI int ColorToInt(Color color); // Returns hexadecimal value for a Color -RLAPI Vector4 ColorNormalize(Color color); // Returns color normalized as float [0..1] -RLAPI Color ColorFromNormalized(Vector4 normalized); // Returns color from normalized values [0..1] -RLAPI Vector3 ColorToHSV(Color color); // Returns HSV values for a Color -RLAPI Color ColorFromHSV(Vector3 hsv); // Returns a Color from HSV values -RLAPI Color GetColor(int hexValue); // Returns a Color struct from hexadecimal value -RLAPI Color Fade(Color color, float alpha); // Color fade-in or fade-out, alpha goes from 0.0f to 1.0f - // Misc. functions RLAPI void SetConfigFlags(unsigned int flags); // Setup window configuration flags (view FLAGS) RLAPI void SetTraceLogLevel(int logType); // Set the current threshold (minimum) log level @@ -1196,9 +1189,18 @@ RLAPI void DrawTextureQuad(Texture2D texture, Vector2 tiling, Vector2 offset, Re RLAPI void DrawTexturePro(Texture2D texture, Rectangle sourceRec, Rectangle destRec, Vector2 origin, float rotation, Color tint); // Draw a part of a texture defined by a rectangle with 'pro' parameters RLAPI void DrawTextureNPatch(Texture2D texture, NPatchInfo nPatchInfo, Rectangle destRec, Vector2 origin, float rotation, Color tint); // Draws a texture (or part of it) that stretches or shrinks nicely -// Image/Texture misc functions -RLAPI int GetPixelDataSize(int width, int height, int format); // Get pixel data size in bytes (image or texture) - +// Color/pixel related functions +RLAPI int ColorToInt(Color color); // Returns hexadecimal value for a Color +RLAPI Vector4 ColorNormalize(Color color); // Returns Color normalized as float [0..1] +RLAPI Color ColorFromNormalized(Vector4 normalized); // Returns Color from normalized values [0..1] +RLAPI Vector3 ColorToHSV(Color color); // Returns HSV values for a Color +RLAPI Color ColorFromHSV(Vector3 hsv); // Returns a Color from HSV values +RLAPI Color ColorAlpha(Color color, float alpha); // Returns color with alpha applied, alpha goes from 0.0f to 1.0f +RLAPI Color ColorAlphaBlend(Color dst, Color src, Color tint); // Returns src alpha-blended into dst color with tint +RLAPI Color GetColor(int hexValue); // Get Color structure from hexadecimal value +RLAPI Color GetPixelColor(void *srcPtr, int format); // Get Color from a source pixel pointer of certain format +RLAPI void SetPixelColor(void *dstPtr, Color color, int format); // Set color formatted into destination pixel pointer +RLAPI int GetPixelDataSize(int width, int height, int format); // Get pixel data size in bytes for certain format //------------------------------------------------------------------------------------ // Font Loading and Text Drawing Functions (Module: text) diff --git a/src/textures.c b/src/textures.c index 9d9e041a..101eded8 100644 --- a/src/textures.c +++ b/src/textures.c @@ -2485,159 +2485,6 @@ void ImageDrawRectangleLines(Image *dst, Rectangle rec, int thick, Color color) ImageDrawRectangle(dst, (int)rec.x, (int)(rec.y + rec.height - thick), (int)rec.width, thick, color); } -Color GetPixelColor(void *pixel, int format) -{ - Color col = { 0 }; - - switch (format) - { - case UNCOMPRESSED_GRAYSCALE: col = (Color){ ((unsigned char *)pixel)[0], ((unsigned char *)pixel)[0], ((unsigned char *)pixel)[0], 255 }; break; - case UNCOMPRESSED_GRAY_ALPHA: col = (Color){ ((unsigned char *)pixel)[0], ((unsigned char *)pixel)[0], ((unsigned char *)pixel)[0], ((unsigned char *)pixel)[1] }; break; - case UNCOMPRESSED_R5G6B5: - { - col.r = (unsigned char)(((((unsigned short *)pixel)[0] >> 11)*31)/255); - col.g = (unsigned char)((((((unsigned short *)pixel)[0] >> 5) & 0b0000000000111111)*63)/255); - col.b = (unsigned char)(((((unsigned short *)pixel)[0] & 0b0000000000011111)*31)/255); - col.a = 255; - - } break; - case UNCOMPRESSED_R5G5B5A1: - { - col.r = (unsigned char)(((((unsigned short *)pixel)[0] >> 11)*31)/255); - col.g = (unsigned char)((((((unsigned short *)pixel)[0] >> 6) & 0b0000000000011111)*31)/255); - col.b = (unsigned char)(((((unsigned short *)pixel)[0] & 0b0000000000011111)*31)/255); - col.a = (((unsigned short *)pixel)[0] & 0b0000000000000001)? 255 : 0; - - } break; - case UNCOMPRESSED_R4G4B4A4: - { - col.r = (unsigned char)(((((unsigned short *)pixel)[0] >> 12)*15)/255); - col.g = (unsigned char)((((((unsigned short *)pixel)[0] >> 8) & 0b0000000000001111)*15)/255); - col.b = (unsigned char)((((((unsigned short *)pixel)[0] >> 4) & 0b0000000000001111)*15)/255); - col.a = (unsigned char)(((((unsigned short *)pixel)[0] & 0b0000000000001111)*15)/255); - - } break; - case UNCOMPRESSED_R8G8B8A8: col = (Color){ ((unsigned char *)pixel)[0], ((unsigned char *)pixel)[1], ((unsigned char *)pixel)[2], ((unsigned char *)pixel)[3] }; break; - case UNCOMPRESSED_R8G8B8: col = (Color){ ((unsigned char *)pixel)[0], ((unsigned char *)pixel)[1], ((unsigned char *)pixel)[2], 255 }; break; - //case UNCOMPRESSED_R32: break; - //case UNCOMPRESSED_R32G32B32: break; - //case UNCOMPRESSED_R32G32B32A32: break; - default: break; - } - - return col; -} - -Color ColorAlphaBlend(Color dst, Color src, Color tint) -{ - Vector4 fdst = ColorNormalize(dst); - Vector4 fsrc = ColorNormalize(src); - Vector4 fout = { 0.0f }; - Vector4 ftint = ColorNormalize(tint); - - // Apply color tint to source image - fsrc.x *= ftint.x; fsrc.y *= ftint.y; fsrc.z *= ftint.z; fsrc.w *= ftint.w; - - fout.w = fsrc.w + fdst.w*(1.0f - fsrc.w); - - if (fout.w <= 0.0f) - { - fout.x = 0.0f; - fout.y = 0.0f; - fout.z = 0.0f; - } - else - { - fout.x = (fsrc.x*fsrc.w + fdst.x*fdst.w*(1 - fsrc.w))/fout.w; - fout.y = (fsrc.y*fsrc.w + fdst.y*fdst.w*(1 - fsrc.w))/fout.w; - fout.z = (fsrc.z*fsrc.w + fdst.z*fdst.w*(1 - fsrc.w))/fout.w; - } - - Color out = { (unsigned char)(fout.x*255.0f), (unsigned char)(fout.y*255.0f), (unsigned char)(fout.z*255.0f), (unsigned char)(fout.w*255.0f) }; - - return out; -} - -void ColorWrite(unsigned char *dstPtr, Color color, int format) -{ - switch (format) - { - case UNCOMPRESSED_GRAYSCALE: - { - // NOTE: Calculate grayscale equivalent color - Vector3 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f }; - unsigned char gray = (unsigned char)((coln.x*0.299f + coln.y*0.587f + coln.z*0.114f)*255.0f); - - dstPtr[0] = gray; - - } break; - case UNCOMPRESSED_GRAY_ALPHA: - { - // NOTE: Calculate grayscale equivalent color - Vector3 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f }; - unsigned char gray = (unsigned char)((coln.x*0.299f + coln.y*0.587f + coln.z*0.114f)*255.0f); - - dstPtr[0] = gray; - dstPtr[1] = color.a; - - } break; - case UNCOMPRESSED_R5G6B5: - { - // NOTE: Calculate R5G6B5 equivalent color - Vector3 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f }; - - unsigned char r = (unsigned char)(round(coln.x*31.0f)); - unsigned char g = (unsigned char)(round(coln.y*63.0f)); - unsigned char b = (unsigned char)(round(coln.z*31.0f)); - - ((unsigned short *)dstPtr)[0] = (unsigned short)r << 11 | (unsigned short)g << 5 | (unsigned short)b; - - } break; - case UNCOMPRESSED_R5G5B5A1: - { - // NOTE: Calculate R5G5B5A1 equivalent color - Vector4 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f, (float)color.a/255.0f }; - - unsigned char r = (unsigned char)(round(coln.x*31.0f)); - unsigned char g = (unsigned char)(round(coln.y*31.0f)); - unsigned char b = (unsigned char)(round(coln.z*31.0f)); - unsigned char a = (coln.w > ((float)R5G5B5A1_ALPHA_THRESHOLD/255.0f))? 1 : 0;; - - ((unsigned short *)dstPtr)[0] = (unsigned short)r << 11 | (unsigned short)g << 6 | (unsigned short)b << 1 | (unsigned short)a; - - } break; - case UNCOMPRESSED_R4G4B4A4: - { - // NOTE: Calculate R5G5B5A1 equivalent color - Vector4 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f, (float)color.a/255.0f }; - - unsigned char r = (unsigned char)(round(coln.x*15.0f)); - unsigned char g = (unsigned char)(round(coln.y*15.0f)); - unsigned char b = (unsigned char)(round(coln.z*15.0f)); - unsigned char a = (unsigned char)(round(coln.w*15.0f)); - - ((unsigned short *)dstPtr)[0] = (unsigned short)r << 12 | (unsigned short)g << 8 | (unsigned short)b << 4 | (unsigned short)a; - - } break; - case UNCOMPRESSED_R8G8B8: - { - dstPtr[0] = color.r; - dstPtr[1] = color.g; - dstPtr[2] = color.b; - - } break; - case UNCOMPRESSED_R8G8B8A8: - { - dstPtr[0] = color.r; - dstPtr[1] = color.g; - dstPtr[2] = color.b; - dstPtr[3] = color.a; - - } break; - default: break; - } -} - // Draw an image (source) within an image (destination) // NOTE: Color tint is applied to source image void ImageDraw(Image *dst, Image src, Rectangle srcRec, Rectangle dstRec, Color tint) @@ -3538,8 +3385,304 @@ void DrawTextureNPatch(Texture2D texture, NPatchInfo nPatchInfo, Rectangle destR } } -// Get pixel data size in bytes (image or texture) -// NOTE: Size depends on pixel format +// Returns hexadecimal value for a Color +int ColorToInt(Color color) +{ + return (((int)color.r << 24) | ((int)color.g << 16) | ((int)color.b << 8) | (int)color.a); +} + +// Returns color normalized as float [0..1] +Vector4 ColorNormalize(Color color) +{ + Vector4 result; + + result.x = (float)color.r/255.0f; + result.y = (float)color.g/255.0f; + result.z = (float)color.b/255.0f; + result.w = (float)color.a/255.0f; + + return result; +} + +// Returns color from normalized values [0..1] +Color ColorFromNormalized(Vector4 normalized) +{ + Color result; + + result.r = (unsigned char)(normalized.x*255.0f); + result.g = (unsigned char)(normalized.y*255.0f); + result.b = (unsigned char)(normalized.z*255.0f); + result.a = (unsigned char)(normalized.w*255.0f); + + return result; +} + +// Returns HSV values for a Color +// NOTE: Hue is returned as degrees [0..360] +Vector3 ColorToHSV(Color color) +{ + Vector3 hsv = { 0 }; + Vector3 rgb = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f }; + float min, max, delta; + + min = rgb.x < rgb.y? rgb.x : rgb.y; + min = min < rgb.z? min : rgb.z; + + max = rgb.x > rgb.y? rgb.x : rgb.y; + max = max > rgb.z? max : rgb.z; + + hsv.z = max; // Value + delta = max - min; + + if (delta < 0.00001f) + { + hsv.y = 0.0f; + hsv.x = 0.0f; // Undefined, maybe NAN? + return hsv; + } + + if (max > 0.0f) + { + // NOTE: If max is 0, this divide would cause a crash + hsv.y = (delta/max); // Saturation + } + else + { + // NOTE: If max is 0, then r = g = b = 0, s = 0, h is undefined + hsv.y = 0.0f; + hsv.x = NAN; // Undefined + return hsv; + } + + // NOTE: Comparing float values could not work properly + if (rgb.x >= max) hsv.x = (rgb.y - rgb.z)/delta; // Between yellow & magenta + else + { + if (rgb.y >= max) hsv.x = 2.0f + (rgb.z - rgb.x)/delta; // Between cyan & yellow + else hsv.x = 4.0f + (rgb.x - rgb.y)/delta; // Between magenta & cyan + } + + hsv.x *= 60.0f; // Convert to degrees + + if (hsv.x < 0.0f) hsv.x += 360.0f; + + return hsv; +} + +// Returns a Color from HSV values +// Implementation reference: https://en.wikipedia.org/wiki/HSL_and_HSV#Alternative_HSV_conversion +// NOTE: Color->HSV->Color conversion will not yield exactly the same color due to rounding errors +Color ColorFromHSV(Vector3 hsv) +{ + Color color = { 0, 0, 0, 255 }; + float h = hsv.x, s = hsv.y, v = hsv.z; + + // Red channel + float k = fmodf((5.0f + h/60.0f), 6); + float t = 4.0f - k; + k = (t < k)? t : k; + k = (k < 1)? k : 1; + k = (k > 0)? k : 0; + color.r = (unsigned char)((v - v*s*k)*255.0f); + + // Green channel + k = fmodf((3.0f + h/60.0f), 6); + t = 4.0f - k; + k = (t < k)? t : k; + k = (k < 1)? k : 1; + k = (k > 0)? k : 0; + color.g = (unsigned char)((v - v*s*k)*255.0f); + + // Blue channel + k = fmodf((1.0f + h/60.0f), 6); + t = 4.0f - k; + k = (t < k)? t : k; + k = (k < 1)? k : 1; + k = (k > 0)? k : 0; + color.b = (unsigned char)((v - v*s*k)*255.0f); + + return color; +} + +// Returns color with alpha applied, alpha goes from 0.0f to 1.0f +Color ColorAlpha(Color color, float alpha) +{ + if (alpha < 0.0f) alpha = 0.0f; + else if (alpha > 1.0f) alpha = 1.0f; + + return (Color){color.r, color.g, color.b, (unsigned char)(255.0f*alpha)}; +} + +// Returns src alpha-blended into dst color with tint +Color ColorAlphaBlend(Color dst, Color src, Color tint) +{ + Vector4 fdst = ColorNormalize(dst); + Vector4 fsrc = ColorNormalize(src); + Vector4 ftint = ColorNormalize(tint); + Vector4 fout = { 0.0f }; + + // Apply color tint to source image + fsrc.x *= ftint.x; fsrc.y *= ftint.y; fsrc.z *= ftint.z; fsrc.w *= ftint.w; + + if (fsrc.w <= 0.0f) fout = fdst; + else if (fsrc.w >= 1.0f) fout = fsrc; + else + { + fout.w = fsrc.w + fdst.w*(1.0f - fsrc.w); + + if (fout.w > 0.0f) + { + fout.x = (fsrc.x*fsrc.w + fdst.x*fdst.w*(1 - fsrc.w))/fout.w; + fout.y = (fsrc.y*fsrc.w + fdst.y*fdst.w*(1 - fsrc.w))/fout.w; + fout.z = (fsrc.z*fsrc.w + fdst.z*fdst.w*(1 - fsrc.w))/fout.w; + } + } + + Color out = { (unsigned char)(fout.x*255.0f), (unsigned char)(fout.y*255.0f), (unsigned char)(fout.z*255.0f), (unsigned char)(fout.w*255.0f) }; + + return out; +} + +// Returns a Color struct from hexadecimal value +Color GetColor(int hexValue) +{ + Color color; + + color.r = (unsigned char)(hexValue >> 24) & 0xFF; + color.g = (unsigned char)(hexValue >> 16) & 0xFF; + color.b = (unsigned char)(hexValue >> 8) & 0xFF; + color.a = (unsigned char)hexValue & 0xFF; + + return color; +} + +// Get color from a pixel from certain format +Color GetPixelColor(void *srcPtr, int format) +{ + Color col = { 0 }; + + switch (format) + { + case UNCOMPRESSED_GRAYSCALE: col = (Color){ ((unsigned char *)srcPtr)[0], ((unsigned char *)srcPtr)[0], ((unsigned char *)srcPtr)[0], 255 }; break; + case UNCOMPRESSED_GRAY_ALPHA: col = (Color){ ((unsigned char *)srcPtr)[0], ((unsigned char *)srcPtr)[0], ((unsigned char *)srcPtr)[0], ((unsigned char *)srcPtr)[1] }; break; + case UNCOMPRESSED_R5G6B5: + { + col.r = (unsigned char)(((((unsigned short *)srcPtr)[0] >> 11)*31)/255); + col.g = (unsigned char)((((((unsigned short *)srcPtr)[0] >> 5) & 0b0000000000111111)*63)/255); + col.b = (unsigned char)(((((unsigned short *)srcPtr)[0] & 0b0000000000011111)*31)/255); + col.a = 255; + + } break; + case UNCOMPRESSED_R5G5B5A1: + { + col.r = (unsigned char)(((((unsigned short *)srcPtr)[0] >> 11)*31)/255); + col.g = (unsigned char)((((((unsigned short *)srcPtr)[0] >> 6) & 0b0000000000011111)*31)/255); + col.b = (unsigned char)(((((unsigned short *)srcPtr)[0] & 0b0000000000011111)*31)/255); + col.a = (((unsigned short *)srcPtr)[0] & 0b0000000000000001)? 255 : 0; + + } break; + case UNCOMPRESSED_R4G4B4A4: + { + col.r = (unsigned char)(((((unsigned short *)srcPtr)[0] >> 12)*15)/255); + col.g = (unsigned char)((((((unsigned short *)srcPtr)[0] >> 8) & 0b0000000000001111)*15)/255); + col.b = (unsigned char)((((((unsigned short *)srcPtr)[0] >> 4) & 0b0000000000001111)*15)/255); + col.a = (unsigned char)(((((unsigned short *)srcPtr)[0] & 0b0000000000001111)*15)/255); + + } break; + case UNCOMPRESSED_R8G8B8A8: col = (Color){ ((unsigned char *)srcPtr)[0], ((unsigned char *)srcPtr)[1], ((unsigned char *)srcPtr)[2], ((unsigned char *)srcPtr)[3] }; break; + case UNCOMPRESSED_R8G8B8: col = (Color){ ((unsigned char *)srcPtr)[0], ((unsigned char *)srcPtr)[1], ((unsigned char *)srcPtr)[2], 255 }; break; + // TODO: case UNCOMPRESSED_R32: break; + // TODO: case UNCOMPRESSED_R32G32B32: break; + // TODO: case UNCOMPRESSED_R32G32B32A32: break; + default: break; + } + + return col; +} + +// Set pixel color formatted into destination pointer +void SetPixelColor(void *dstPtr, Color color, int format) +{ + switch (format) + { + case UNCOMPRESSED_GRAYSCALE: + { + // NOTE: Calculate grayscale equivalent color + Vector3 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f }; + unsigned char gray = (unsigned char)((coln.x*0.299f + coln.y*0.587f + coln.z*0.114f)*255.0f); + + ((unsigned char *)dstPtr)[0] = gray; + + } break; + case UNCOMPRESSED_GRAY_ALPHA: + { + // NOTE: Calculate grayscale equivalent color + Vector3 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f }; + unsigned char gray = (unsigned char)((coln.x*0.299f + coln.y*0.587f + coln.z*0.114f)*255.0f); + + ((unsigned char *)dstPtr)[0] = gray; + ((unsigned char *)dstPtr)[1] = color.a; + + } break; + case UNCOMPRESSED_R5G6B5: + { + // NOTE: Calculate R5G6B5 equivalent color + Vector3 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f }; + + unsigned char r = (unsigned char)(round(coln.x*31.0f)); + unsigned char g = (unsigned char)(round(coln.y*63.0f)); + unsigned char b = (unsigned char)(round(coln.z*31.0f)); + + ((unsigned short *)dstPtr)[0] = (unsigned short)r << 11 | (unsigned short)g << 5 | (unsigned short)b; + + } break; + case UNCOMPRESSED_R5G5B5A1: + { + // NOTE: Calculate R5G5B5A1 equivalent color + Vector4 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f, (float)color.a/255.0f }; + + unsigned char r = (unsigned char)(round(coln.x*31.0f)); + unsigned char g = (unsigned char)(round(coln.y*31.0f)); + unsigned char b = (unsigned char)(round(coln.z*31.0f)); + unsigned char a = (coln.w > ((float)R5G5B5A1_ALPHA_THRESHOLD/255.0f))? 1 : 0;; + + ((unsigned short *)dstPtr)[0] = (unsigned short)r << 11 | (unsigned short)g << 6 | (unsigned short)b << 1 | (unsigned short)a; + + } break; + case UNCOMPRESSED_R4G4B4A4: + { + // NOTE: Calculate R5G5B5A1 equivalent color + Vector4 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f, (float)color.a/255.0f }; + + unsigned char r = (unsigned char)(round(coln.x*15.0f)); + unsigned char g = (unsigned char)(round(coln.y*15.0f)); + unsigned char b = (unsigned char)(round(coln.z*15.0f)); + unsigned char a = (unsigned char)(round(coln.w*15.0f)); + + ((unsigned short *)dstPtr)[0] = (unsigned short)r << 12 | (unsigned short)g << 8 | (unsigned short)b << 4 | (unsigned short)a; + + } break; + case UNCOMPRESSED_R8G8B8: + { + ((unsigned char *)dstPtr)[0] = color.r; + ((unsigned char *)dstPtr)[1] = color.g; + ((unsigned char *)dstPtr)[2] = color.b; + + } break; + case UNCOMPRESSED_R8G8B8A8: + { + ((unsigned char *)dstPtr)[0] = color.r; + ((unsigned char *)dstPtr)[1] = color.g; + ((unsigned char *)dstPtr)[2] = color.b; + ((unsigned char *)dstPtr)[3] = color.a; + + } break; + default: break; + } +} + +// Get pixel data size in bytes for certain format +// NOTE: Size can be requested for Image or Texture data int GetPixelDataSize(int width, int height, int format) { int dataSize = 0; // Size in bytes |