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fix a crash when working on an 0x0 BitmapBuffer

This commit is contained in:
zeromus 2014-12-10 19:37:06 +00:00
parent f1bd6f0086
commit 257c8c597b
1 changed files with 13 additions and 10 deletions
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23
Bizware/BizHawk.Bizware.BizwareGL/BitmapBuffer.cs
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@ -476,17 +476,20 @@ namespace BizHawk.Bizware.BizwareGL
{ {
var bmpdata = bmp.LockBits(new sd.Rectangle(0, 0, Width, Height), ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb); var bmpdata = bmp.LockBits(new sd.Rectangle(0, 0, Width, Height), ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
int* ptr = (int*)bmpdata.Scan0.ToPointer(); if (bmp.Width != 0 && bmp.Height != 0)
int stride = bmpdata.Stride;
fixed (int* pPtr = &Pixels[0])
{ {
for (int idx = 0, y = 0; y < Height; y++) int* ptr = (int*)bmpdata.Scan0.ToPointer();
for (int x = 0; x < Width; x++) int stride = bmpdata.Stride;
{ fixed (int* pPtr = &Pixels[0])
int srcPixel = pPtr[idx]; {
ptr[idx] = srcPixel; for (int idx = 0, y = 0; y < Height; y++)
idx++; for (int x = 0; x < Width; x++)
} {
int srcPixel = pPtr[idx];
ptr[idx] = srcPixel;
idx++;
}
}
} }
bmp.UnlockBits(bmpdata); bmp.UnlockBits(bmpdata);