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WARNING: BIG CHANGE: Move Color functions to texture module 

WARNING: Some functions ADDED and some RENAMED:
- RENAMED: Fade() -> ColorAlpha() [Added #define for compatibility]
- ADDED: ColorAlphaBlend()
- ADDED: GetPixelColor()
- ADDED: SetPixelColor()
pull/1280/head
raysan5 4 years ago
parent
ec09fea29a
commit
ad954dc7ab
3 changed files with 325 additions and 321 deletions
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  1. +13
    -154
      src/core.c
  2. +14
    -12
      src/raylib.h
  3. +298
    -155
      src/textures.c

+ 13
- 154
src/core.c View File

@ -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)
{

+ 14
- 12
src/raylib.h View File

@ -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)

+ 298
- 155
src/textures.c View File

@ -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

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