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REVIEWED: ImageToImage(), reorganize conditionals checks optimization, align brackets

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Ray
2026-07-18 16:50:28 +02:00
parent 58e03dbc6c
commit baa9a4df51
1 changed files with 12 additions and 11 deletions
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23
src/rtextures.c
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@@ -1233,15 +1233,13 @@ Image ImageFromImage(Image image, Rectangle rec)
// Security check to avoid program crash
if ((image.data == NULL) || (image.width == 0) || (image.height == 0)) return result;
// Basic rectangle validation: size smaller than image size
if ((rec.x >= 0) && (rec.y >= 0) && (rec.width > 0) && (rec.height > 0) &&
(((int)rec.x + (int)rec.width) <= image.width) &&
(((int)rec.y + (int)rec.height) <= image.height))
{
if (image.format >= PIXELFORMAT_COMPRESSED_DXT1_RGB) TRACELOG(LOG_WARNING, "IMAGE: Image manipulation not supported for compressed formats");
else
if (image.format < PIXELFORMAT_COMPRESSED_DXT1_RGB)
{
// Basic rectangle validation: size smaller than image size
if ((rec.x >= 0) && (rec.y >= 0) && (rec.width > 0) && (rec.height > 0) &&
(((int)rec.x + (int)rec.width) <= image.width) &&
(((int)rec.y + (int)rec.height) <= image.height))
{
int bytesPerPixel = GetPixelDataSize(1, 1, image.format);
result.width = (int)rec.width;
@@ -1252,11 +1250,14 @@ Image ImageFromImage(Image image, Rectangle rec)
for (int y = 0; y < (int)rec.height; y++)
{
memcpy(((unsigned char *)result.data) + y*(int)rec.width*bytesPerPixel, ((unsigned char *)image.data) + ((y + (int)rec.y)*image.width + (int)rec.x)*bytesPerPixel, (int)rec.width*bytesPerPixel);
memcpy(((unsigned char *)result.data) + y*(int)rec.width*bytesPerPixel,
((unsigned char *)image.data) + ((y + (int)rec.y)*image.width + (int)rec.x)*bytesPerPixel,
(int)rec.width*bytesPerPixel);
}
}
else TRACELOG(LOG_WARNING, "IMAGE: ImageToImage(), rectangle provided not valid");
}
}
else TRACELOG(LOG_WARNING, "IMAGE: Rectangle provided for ImageToImage not valid");
else TRACELOG(LOG_WARNING, "IMAGE: Image manipulation not supported for compressed formats");
return result;
}