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When icons had a very small aspect ratio, we crashed, don't.

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This commit is contained in:
Mikael Magnusson 2008-03-28 21:01:46 +01:00
parent 0e92465751
commit d47d5a2801
1 changed files with 9 additions and 3 deletions
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12
render/image.c
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@ -124,6 +124,12 @@ static RrImagePic* ResizeImage(RrPixel32 *src,
gulong ratioX, ratioY;
gulong aspectW, aspectH;
/* XXX should these variables be ensured to not be zero in the callers? */
srcW = srcW ? srcW : 1;
srcH = srcH ? srcH : 1;
dstW = dstW ? dstW : 1;
dstH = dstH ? dstH : 1;
/* keep the aspect ratio */
aspectW = dstW;
aspectH = (gint)(dstW * ((gdouble)srcH / srcW));
@ -131,11 +137,11 @@ static RrImagePic* ResizeImage(RrPixel32 *src,
aspectH = dstH;
aspectW = (gint)(dstH * ((gdouble)srcW / srcH));
}
dstW = aspectW;
dstH = aspectH;
dstW = aspectW ? aspectW : 1;
dstH = aspectH ? aspectH : 1;
if (srcW == dstW && srcH == dstH)
return NULL; /* no scaling needed ! */
return NULL; /* no scaling needed! */
dststart = dst = g_new(RrPixel32, dstW * dstH);