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Bug 382458, additional patch to fix repainting problems with theming and pixel rounding. r=vlad, a=blocking1.9+

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sharparrow1@yahoo.com 2007-08-17 13:30:23 -07:00
parent f5b77e12aa
commit 5a1e1ba2df
1 changed files with 9 additions and 4 deletions
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13
gfx/thebes/src/gfxWindowsNativeDrawing.cpp
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@ -123,8 +123,12 @@ gfxWindowsNativeDrawing::BeginNativeDrawing()
if (mTransformType == TRANSLATION_ONLY || !(mNativeDrawFlags & CAN_AXIS_ALIGNED_SCALE)) {
mScale = gfxSize(1.0, 1.0);
mTempSurfaceSize.width = (PRInt32) NS_ceil(mNativeRect.size.width);
mTempSurfaceSize.height = (PRInt32) NS_ceil(mNativeRect.size.height);
// Add 1 to the surface size; it's guaranteed to not be incorrect,
// and it fixes bug 382458
// There's probably a better fix, but I haven't figured out
// the root cause of the problem.
mTempSurfaceSize.width = (PRInt32) NS_ceil(mNativeRect.size.width + 1);
mTempSurfaceSize.height = (PRInt32) NS_ceil(mNativeRect.size.height + 1);
} else {
// figure out the scale factors
mScale = m.ScaleFactors(PR_TRUE);
@ -136,8 +140,9 @@ gfxWindowsNativeDrawing::BeginNativeDrawing()
mWorldTransform.eDx = 0.0f;
mWorldTransform.eDy = 0.0f;
mTempSurfaceSize.width = (PRInt32) NS_ceil(mNativeRect.size.width * mScale.width);
mTempSurfaceSize.height = (PRInt32) NS_ceil(mNativeRect.size.height * mScale.height);
// See comment above about "+1"
mTempSurfaceSize.width = (PRInt32) NS_ceil(mNativeRect.size.width * mScale.width + 1);
mTempSurfaceSize.height = (PRInt32) NS_ceil(mNativeRect.size.height * mScale.height + 1);
}
}
}