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REVIEWED: ImageResize() #2572

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Ray
2022-07-10 21:12:34 +02:00
parent 05dc300296
commit 29a0f60778
1 changed files with 6 additions and 4 deletions
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10
src/rtextures.c
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@@ -1414,10 +1414,12 @@ void ImageResize(Image *image, int newWidth, int newHeight)
// Security check to avoid program crash // Security check to avoid program crash
if ((image->data == NULL) || (image->width == 0) || (image->height == 0)) return; if ((image->data == NULL) || (image->width == 0) || (image->height == 0)) return;
bool fastPath = true; // Check if we can use a fast path on image scaling
if ((image->format != PIXELFORMAT_UNCOMPRESSED_GRAYSCALE) && (image->format != PIXELFORMAT_UNCOMPRESSED_GRAY_ALPHA) && (image->format != PIXELFORMAT_UNCOMPRESSED_R8G8B8) && (image->format != PIXELFORMAT_UNCOMPRESSED_R8G8B8A8)) fastPath = true; // It can be for 8 bit per channel images with 1 to 4 channels per pixel
if ((image->format == PIXELFORMAT_UNCOMPRESSED_GRAYSCALE) ||
if (fastPath) (image->format == PIXELFORMAT_UNCOMPRESSED_GRAY_ALPHA) ||
(image->format == PIXELFORMAT_UNCOMPRESSED_R8G8B8) ||
(image->format == PIXELFORMAT_UNCOMPRESSED_R8G8B8A8))
{ {
int bytesPerPixel = GetPixelDataSize(1, 1, image->format); int bytesPerPixel = GetPixelDataSize(1, 1, image->format);
unsigned char *output = (unsigned char *)RL_MALLOC(newWidth*newHeight*bytesPerPixel); unsigned char *output = (unsigned char *)RL_MALLOC(newWidth*newHeight*bytesPerPixel);