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REVIEW: GetImageData() and GetImageAlphaBorder()

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This commit is contained in:
raysan5 2019-11-04 13:30:55 +01:00
parent 5d9df629d7
commit e8b89b5ecf
1 changed files with 25 additions and 18 deletions
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9
src/textures.c
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@ -459,6 +459,8 @@ Color *GetImageData(Image image)
{
Color *pixels = (Color *)RL_MALLOC(image.width*image.height*sizeof(Color));
if (pixels == NULL) return pixels;
if (image.format >= COMPRESSED_DXT1_RGB) TraceLog(LOG_WARNING, "Pixel data retrieval not supported for compressed image formats");
else
{
@ -683,8 +685,12 @@ Vector4 *GetImageDataNormalized(Image image)
// Get image alpha border rectangle
Rectangle GetImageAlphaBorder(Image image, float threshold)
{
Rectangle crop = { 0 };
Color *pixels = GetImageData(image);
if (pixels != NULL)
{
int xMin = 65536; // Define a big enough number
int xMax = 0;
int yMin = 65536;
@ -704,9 +710,10 @@ Rectangle GetImageAlphaBorder(Image image, float threshold)
}
}
Rectangle crop = { xMin, yMin, (xMax + 1) - xMin, (yMax + 1) - yMin };
crop = (Rectangle){ xMin, yMin, (xMax + 1) - xMin, (yMax + 1) - yMin };
RL_FREE(pixels);
}
return crop;
}