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b=324967, black strips while scrolling with cairo, r=stuart

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This commit is contained in:
vladimir%pobox.com 2006-04-06 18:26:55 +00:00
parent 95dea0071a
commit b50f506ee3
1 changed files with 4 additions and 3 deletions
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7
gfx/src/thebes/nsThebesImage.cpp
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@ -294,9 +294,10 @@ nsThebesImage::DrawTile(nsIRenderingContext &aContext,
PRInt32 x0 = aTileRect.x - aSXOffset;
PRInt32 y0 = aTileRect.y - aSYOffset;
// Let's figure out if this really is repeating, or if we're just drawing a subrect
if (aTileRect.width > mWidth ||
aTileRect.height > mHeight)
// Let's figure out if this really needs to repeat,
// or if we're just drawing a subrect
if (aSXOffset + aTileRect.width > mWidth ||
aSYOffset + aTileRect.height > mHeight)
{
reallyRepeating = PR_TRUE;
} else {