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bug 800668 - doubling of Cocoa widget sizes should depend on whether the context is HiDPI, not on the zoom factor. r=mstange

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This commit is contained in:
Jonathan Kew 2012-10-13 13:10:54 +01:00
parent 3075806156
commit 9475a2e7d3
1 changed files with 6 additions and 7 deletions
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13
widget/cocoa/nsNativeThemeCocoa.mm
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@ -1898,11 +1898,10 @@ nsNativeThemeCocoa::DrawResizer(CGContextRef cgContext, const HIRect& aRect,
}
static bool
IsContextZoomedToHighResolution(nsDeviceContext* aContext)
IsHiDPIContext(nsDeviceContext* aContext)
{
const float devPixelsPerCSSPixel = 1.0f *
nsPresContext::AppUnitsPerCSSPixel() / aContext->AppUnitsPerDevPixel();
return devPixelsPerCSSPixel > 1.5f;
return nsPresContext::AppUnitsPerCSSPixel() >=
2 * aContext->UnscaledAppUnitsPerDevPixel();
}
NS_IMETHODIMP
@ -1932,7 +1931,7 @@ nsNativeThemeCocoa::DrawWidgetBackground(nsRenderingContext* aContext,
gfxContextMatrixAutoSaveRestore save(thebesCtx);
if (IsContextZoomedToHighResolution(aContext->DeviceContext())) {
if (IsHiDPIContext(aContext->DeviceContext())) {
// Use high-resolution drawing.
nativeWidgetRect.ScaleInverse(2.0f);
nativeDirtyRect.ScaleInverse(2.0f);
@ -2487,7 +2486,7 @@ nsNativeThemeCocoa::GetWidgetBorder(nsDeviceContext* aContext,
break;
}
if (IsContextZoomedToHighResolution(aContext)) {
if (IsHiDPIContext(aContext)) {
*aResult = *aResult + *aResult; // doubled
}
@ -2760,7 +2759,7 @@ nsNativeThemeCocoa::GetMinimumWidgetSize(nsRenderingContext* aContext,
}
}
if (IsContextZoomedToHighResolution(aContext->DeviceContext())) {
if (IsHiDPIContext(aContext->DeviceContext())) {
*aResult = *aResult * 2;
}