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bug 857192 - use float instead of integer CSS pixels to track available space for image. r=bz

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This commit is contained in:
Jonathan Kew 2013-04-15 18:53:03 +01:00
parent 133aefc9db
commit b7d8a75522
1 changed files with 6 additions and 6 deletions
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12
content/html/document/src/ImageDocument.cpp
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@ -113,8 +113,8 @@ protected:
nsresult ScrollImageTo(int32_t aX, int32_t aY, bool restoreImage);
float GetRatio() {
return std::min((float)mVisibleWidth / mImageWidth,
(float)mVisibleHeight / mImageHeight);
return std::min(mVisibleWidth / mImageWidth,
mVisibleHeight / mImageHeight);
}
void ResetZoomLevel();
@ -132,8 +132,8 @@ protected:
nsCOMPtr<nsIContent> mImageContent;
int32_t mVisibleWidth;
int32_t mVisibleHeight;
float mVisibleWidth;
float mVisibleHeight;
int32_t mImageWidth;
int32_t mImageHeight;
@ -728,8 +728,8 @@ ImageDocument::CheckOverflowing(bool changeState)
nsPresContext *context = shell->GetPresContext();
nsRect visibleArea = context->GetVisibleArea();
mVisibleWidth = nsPresContext::AppUnitsToIntCSSPixels(visibleArea.width);
mVisibleHeight = nsPresContext::AppUnitsToIntCSSPixels(visibleArea.height);
mVisibleWidth = nsPresContext::AppUnitsToFloatCSSPixels(visibleArea.width);
mVisibleHeight = nsPresContext::AppUnitsToFloatCSSPixels(visibleArea.height);
}
bool imageWasOverflowing = mImageIsOverflowing;