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@@ -2485,159 +2485,6 @@ void ImageDrawRectangleLines(Image *dst, Rectangle rec, int thick, Color color)
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ImageDrawRectangle(dst, (int)rec.x, (int)(rec.y + rec.height - thick), (int)rec.width, thick, color);
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}
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-Color GetPixelColor(void *pixel, int format)
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-{
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- Color col = { 0 };
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-
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- switch (format)
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- {
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- case UNCOMPRESSED_GRAYSCALE: col = (Color){ ((unsigned char *)pixel)[0], ((unsigned char *)pixel)[0], ((unsigned char *)pixel)[0], 255 }; break;
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- case UNCOMPRESSED_GRAY_ALPHA: col = (Color){ ((unsigned char *)pixel)[0], ((unsigned char *)pixel)[0], ((unsigned char *)pixel)[0], ((unsigned char *)pixel)[1] }; break;
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- case UNCOMPRESSED_R5G6B5:
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- {
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- col.r = (unsigned char)(((((unsigned short *)pixel)[0] >> 11)*31)/255);
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- col.g = (unsigned char)((((((unsigned short *)pixel)[0] >> 5) & 0b0000000000111111)*63)/255);
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- col.b = (unsigned char)(((((unsigned short *)pixel)[0] & 0b0000000000011111)*31)/255);
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- col.a = 255;
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-
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- } break;
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- case UNCOMPRESSED_R5G5B5A1:
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- {
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- col.r = (unsigned char)(((((unsigned short *)pixel)[0] >> 11)*31)/255);
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- col.g = (unsigned char)((((((unsigned short *)pixel)[0] >> 6) & 0b0000000000011111)*31)/255);
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- col.b = (unsigned char)(((((unsigned short *)pixel)[0] & 0b0000000000011111)*31)/255);
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- col.a = (((unsigned short *)pixel)[0] & 0b0000000000000001)? 255 : 0;
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-
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- } break;
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- case UNCOMPRESSED_R4G4B4A4:
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- {
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- col.r = (unsigned char)(((((unsigned short *)pixel)[0] >> 12)*15)/255);
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- col.g = (unsigned char)((((((unsigned short *)pixel)[0] >> 8) & 0b0000000000001111)*15)/255);
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- col.b = (unsigned char)((((((unsigned short *)pixel)[0] >> 4) & 0b0000000000001111)*15)/255);
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- col.a = (unsigned char)(((((unsigned short *)pixel)[0] & 0b0000000000001111)*15)/255);
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-
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- } break;
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- case UNCOMPRESSED_R8G8B8A8: col = (Color){ ((unsigned char *)pixel)[0], ((unsigned char *)pixel)[1], ((unsigned char *)pixel)[2], ((unsigned char *)pixel)[3] }; break;
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- case UNCOMPRESSED_R8G8B8: col = (Color){ ((unsigned char *)pixel)[0], ((unsigned char *)pixel)[1], ((unsigned char *)pixel)[2], 255 }; break;
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- //case UNCOMPRESSED_R32: break;
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- //case UNCOMPRESSED_R32G32B32: break;
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- //case UNCOMPRESSED_R32G32B32A32: break;
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- default: break;
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- }
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-
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- return col;
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-}
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-
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-Color ColorAlphaBlend(Color dst, Color src, Color tint)
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-{
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- Vector4 fdst = ColorNormalize(dst);
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- Vector4 fsrc = ColorNormalize(src);
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- Vector4 fout = { 0.0f };
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- Vector4 ftint = ColorNormalize(tint);
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-
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- // Apply color tint to source image
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- fsrc.x *= ftint.x; fsrc.y *= ftint.y; fsrc.z *= ftint.z; fsrc.w *= ftint.w;
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-
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- fout.w = fsrc.w + fdst.w*(1.0f - fsrc.w);
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-
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- if (fout.w <= 0.0f)
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- {
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- fout.x = 0.0f;
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- fout.y = 0.0f;
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- fout.z = 0.0f;
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- }
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- else
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- {
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- fout.x = (fsrc.x*fsrc.w + fdst.x*fdst.w*(1 - fsrc.w))/fout.w;
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- fout.y = (fsrc.y*fsrc.w + fdst.y*fdst.w*(1 - fsrc.w))/fout.w;
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- fout.z = (fsrc.z*fsrc.w + fdst.z*fdst.w*(1 - fsrc.w))/fout.w;
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- }
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-
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- 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) };
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-
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- return out;
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-}
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-
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-void ColorWrite(unsigned char *dstPtr, Color color, int format)
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-{
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- switch (format)
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- {
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- case UNCOMPRESSED_GRAYSCALE:
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- {
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- // NOTE: Calculate grayscale equivalent color
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- Vector3 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f };
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- unsigned char gray = (unsigned char)((coln.x*0.299f + coln.y*0.587f + coln.z*0.114f)*255.0f);
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-
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- dstPtr[0] = gray;
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-
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- } break;
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- case UNCOMPRESSED_GRAY_ALPHA:
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- {
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- // NOTE: Calculate grayscale equivalent color
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- Vector3 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f };
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- unsigned char gray = (unsigned char)((coln.x*0.299f + coln.y*0.587f + coln.z*0.114f)*255.0f);
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-
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- dstPtr[0] = gray;
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- dstPtr[1] = color.a;
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-
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- } break;
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- case UNCOMPRESSED_R5G6B5:
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- {
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- // NOTE: Calculate R5G6B5 equivalent color
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- Vector3 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f };
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-
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- unsigned char r = (unsigned char)(round(coln.x*31.0f));
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- unsigned char g = (unsigned char)(round(coln.y*63.0f));
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- unsigned char b = (unsigned char)(round(coln.z*31.0f));
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-
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- ((unsigned short *)dstPtr)[0] = (unsigned short)r << 11 | (unsigned short)g << 5 | (unsigned short)b;
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-
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- } break;
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- case UNCOMPRESSED_R5G5B5A1:
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- {
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- // NOTE: Calculate R5G5B5A1 equivalent color
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- Vector4 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f, (float)color.a/255.0f };
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-
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- unsigned char r = (unsigned char)(round(coln.x*31.0f));
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- unsigned char g = (unsigned char)(round(coln.y*31.0f));
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- unsigned char b = (unsigned char)(round(coln.z*31.0f));
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- unsigned char a = (coln.w > ((float)R5G5B5A1_ALPHA_THRESHOLD/255.0f))? 1 : 0;;
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-
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- ((unsigned short *)dstPtr)[0] = (unsigned short)r << 11 | (unsigned short)g << 6 | (unsigned short)b << 1 | (unsigned short)a;
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-
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- } break;
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- case UNCOMPRESSED_R4G4B4A4:
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- {
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- // NOTE: Calculate R5G5B5A1 equivalent color
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- Vector4 coln = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f, (float)color.a/255.0f };
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-
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- unsigned char r = (unsigned char)(round(coln.x*15.0f));
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- unsigned char g = (unsigned char)(round(coln.y*15.0f));
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- unsigned char b = (unsigned char)(round(coln.z*15.0f));
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- unsigned char a = (unsigned char)(round(coln.w*15.0f));
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-
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- ((unsigned short *)dstPtr)[0] = (unsigned short)r << 12 | (unsigned short)g << 8 | (unsigned short)b << 4 | (unsigned short)a;
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-
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- } break;
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- case UNCOMPRESSED_R8G8B8:
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- {
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- dstPtr[0] = color.r;
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- dstPtr[1] = color.g;
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- dstPtr[2] = color.b;
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-
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- } break;
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- case UNCOMPRESSED_R8G8B8A8:
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- {
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- dstPtr[0] = color.r;
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- dstPtr[1] = color.g;
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- dstPtr[2] = color.b;
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- dstPtr[3] = color.a;
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-
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- } break;
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- default: break;
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- }
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-}
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-
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// Draw an image (source) within an image (destination)
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// NOTE: Color tint is applied to source image
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void ImageDraw(Image *dst, Image src, Rectangle srcRec, Rectangle dstRec, Color tint)
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@@ -3538,8 +3385,304 @@ void DrawTextureNPatch(Texture2D texture, NPatchInfo nPatchInfo, Rectangle destR
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}
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}
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-// Get pixel data size in bytes (image or texture)
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-// NOTE: Size depends on pixel format
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+// Returns hexadecimal value for a Color
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+int ColorToInt(Color color)
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+{
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+ return (((int)color.r << 24) | ((int)color.g << 16) | ((int)color.b << 8) | (int)color.a);
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+}
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+
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+// Returns color normalized as float [0..1]
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+Vector4 ColorNormalize(Color color)
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+{
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+ Vector4 result;
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+
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+ result.x = (float)color.r/255.0f;
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+ result.y = (float)color.g/255.0f;
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+ result.z = (float)color.b/255.0f;
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+ result.w = (float)color.a/255.0f;
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+
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+ return result;
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+}
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+
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+// Returns color from normalized values [0..1]
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+Color ColorFromNormalized(Vector4 normalized)
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+{
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+ Color result;
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+
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+ result.r = (unsigned char)(normalized.x*255.0f);
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+ result.g = (unsigned char)(normalized.y*255.0f);
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+ result.b = (unsigned char)(normalized.z*255.0f);
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+ result.a = (unsigned char)(normalized.w*255.0f);
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+
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+ return result;
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+}
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+
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+// Returns HSV values for a Color
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+// NOTE: Hue is returned as degrees [0..360]
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+Vector3 ColorToHSV(Color color)
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+{
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+ Vector3 hsv = { 0 };
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+ Vector3 rgb = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f };
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+ float min, max, delta;
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+
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+ min = rgb.x < rgb.y? rgb.x : rgb.y;
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+ min = min < rgb.z? min : rgb.z;
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+
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+ max = rgb.x > rgb.y? rgb.x : rgb.y;
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+ max = max > rgb.z? max : rgb.z;
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+
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+ hsv.z = max; // Value
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+ delta = max - min;
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+
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+ if (delta < 0.00001f)
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+ {
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+ hsv.y = 0.0f;
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+ hsv.x = 0.0f; // Undefined, maybe NAN?
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+ return hsv;
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+ }
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+
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+ if (max > 0.0f)
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+ {
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+ // NOTE: If max is 0, this divide would cause a crash
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+ hsv.y = (delta/max); // Saturation
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+ }
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+ else
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+ {
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+ // NOTE: If max is 0, then r = g = b = 0, s = 0, h is undefined
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+ hsv.y = 0.0f;
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+ hsv.x = NAN; // Undefined
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+ return hsv;
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+ }
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+
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+ // NOTE: Comparing float values could not work properly
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+ if (rgb.x >= max) hsv.x = (rgb.y - rgb.z)/delta; // Between yellow & magenta
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+ else
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+ {
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+ if (rgb.y >= max) hsv.x = 2.0f + (rgb.z - rgb.x)/delta; // Between cyan & yellow
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+ else hsv.x = 4.0f + (rgb.x - rgb.y)/delta; // Between magenta & cyan
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+ }
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+
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+ hsv.x *= 60.0f; // Convert to degrees
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+
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+ if (hsv.x < 0.0f) hsv.x += 360.0f;
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+
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+ return hsv;
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+}
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+
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+// Returns a Color from HSV values
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+// Implementation reference: https://en.wikipedia.org/wiki/HSL_and_HSV#Alternative_HSV_conversion
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+// NOTE: Color->HSV->Color conversion will not yield exactly the same color due to rounding errors
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+Color ColorFromHSV(Vector3 hsv)
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+{
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+ Color color = { 0, 0, 0, 255 };
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+ float h = hsv.x, s = hsv.y, v = hsv.z;
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+
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+ // Red channel
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+ float k = fmodf((5.0f + h/60.0f), 6);
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+ float t = 4.0f - k;
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+ k = (t < k)? t : k;
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+ k = (k < 1)? k : 1;
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+ k = (k > 0)? k : 0;
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+ color.r = (unsigned char)((v - v*s*k)*255.0f);
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+
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+ // Green channel
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+ k = fmodf((3.0f + h/60.0f), 6);
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+ t = 4.0f - k;
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+ k = (t < k)? t : k;
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+ k = (k < 1)? k : 1;
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+ k = (k > 0)? k : 0;
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+ color.g = (unsigned char)((v - v*s*k)*255.0f);
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+
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+ // Blue channel
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+ k = fmodf((1.0f + h/60.0f), 6);
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+ t = 4.0f - k;
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+ k = (t < k)? t : k;
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+ k = (k < 1)? k : 1;
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+ k = (k > 0)? k : 0;
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+ color.b = (unsigned char)((v - v*s*k)*255.0f);
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+
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+ return color;
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+}
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+
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+// Returns color with alpha applied, alpha goes from 0.0f to 1.0f
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+Color ColorAlpha(Color color, float alpha)
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+{
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+ if (alpha < 0.0f) alpha = 0.0f;
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+ else if (alpha > 1.0f) alpha = 1.0f;
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+
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+ return (Color){color.r, color.g, color.b, (unsigned char)(255.0f*alpha)};
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+}
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+
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+// Returns src alpha-blended into dst color with tint
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+Color ColorAlphaBlend(Color dst, Color src, Color tint)
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+{
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+ Vector4 fdst = ColorNormalize(dst);
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+ Vector4 fsrc = ColorNormalize(src);
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+ Vector4 ftint = ColorNormalize(tint);
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+ Vector4 fout = { 0.0f };
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+
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+ // Apply color tint to source image
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+ fsrc.x *= ftint.x; fsrc.y *= ftint.y; fsrc.z *= ftint.z; fsrc.w *= ftint.w;
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+
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+ if (fsrc.w <= 0.0f) fout = fdst;
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+ else if (fsrc.w >= 1.0f) fout = fsrc;
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+ else
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+ {
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+ fout.w = fsrc.w + fdst.w*(1.0f - fsrc.w);
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+
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+ if (fout.w > 0.0f)
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+ {
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+ fout.x = (fsrc.x*fsrc.w + fdst.x*fdst.w*(1 - fsrc.w))/fout.w;
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+ fout.y = (fsrc.y*fsrc.w + fdst.y*fdst.w*(1 - fsrc.w))/fout.w;
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+ fout.z = (fsrc.z*fsrc.w + fdst.z*fdst.w*(1 - fsrc.w))/fout.w;
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+ }
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+ }
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+
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+ 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) };
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+
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+ return out;
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+}
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+
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+// Returns a Color struct from hexadecimal value
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+Color GetColor(int hexValue)
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+{
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+ Color color;
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+
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+ color.r = (unsigned char)(hexValue >> 24) & 0xFF;
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+ color.g = (unsigned char)(hexValue >> 16) & 0xFF;
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+ color.b = (unsigned char)(hexValue >> 8) & 0xFF;
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+ color.a = (unsigned char)hexValue & 0xFF;
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+
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+ return color;
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+}
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+
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+// Get color from a pixel from certain format
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+Color GetPixelColor(void *srcPtr, int format)
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+{
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+ Color col = { 0 };
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+
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+ switch (format)
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+ {
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+ case UNCOMPRESSED_GRAYSCALE: col = (Color){ ((unsigned char *)srcPtr)[0], ((unsigned char *)srcPtr)[0], ((unsigned char *)srcPtr)[0], 255 }; break;
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+ case UNCOMPRESSED_GRAY_ALPHA: col = (Color){ ((unsigned char *)srcPtr)[0], ((unsigned char *)srcPtr)[0], ((unsigned char *)srcPtr)[0], ((unsigned char *)srcPtr)[1] }; break;
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+ case UNCOMPRESSED_R5G6B5:
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+ {
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+ col.r = (unsigned char)(((((unsigned short *)srcPtr)[0] >> 11)*31)/255);
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+ col.g = (unsigned char)((((((unsigned short *)srcPtr)[0] >> 5) & 0b0000000000111111)*63)/255);
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+ 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
|