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Bug 1122578, part 1 - Make DrawTargetCG::StrokeRect stroke from the same corner and in the same direction as older OS X and other Moz2D backends. r=Bas

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This commit is contained in:
Jonathan Watt 2015-01-18 11:30:32 +00:00
parent dacfb58c19
commit fc78f23587
1 changed files with 13 additions and 1 deletions
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14
gfx/2d/DrawTargetCG.cpp
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@ -1108,7 +1108,19 @@ DrawTargetCG::StrokeRect(const Rect &aRect,
DrawGradient(mColorSpace, cg, aPattern, extents);
} else {
SetStrokeFromPattern(cg, mColorSpace, aPattern);
CGContextStrokeRect(cg, RectToCGRect(aRect));
// We'd like to use CGContextStrokeRect(cg, RectToCGRect(aRect));
// Unfortunately, newer versions of OS X no longer start at the top-left
// corner and stroke clockwise as older OS X versions and all the other
// Moz2D backends do. (Newer versions start at the top right-hand corner
// and stroke counter-clockwise.) For consistency we draw the rect by hand.
CGRect rect = RectToCGRect(aRect);
CGContextBeginPath(cg);
CGContextMoveToPoint(cg, CGRectGetMinX(rect), CGRectGetMinY(rect));
CGContextAddLineToPoint(cg, CGRectGetMaxX(rect), CGRectGetMinY(rect));
CGContextAddLineToPoint(cg, CGRectGetMaxX(rect), CGRectGetMaxY(rect));
CGContextAddLineToPoint(cg, CGRectGetMinX(rect), CGRectGetMaxY(rect));
CGContextClosePath(cg);
CGContextStrokePath(cg);
}
fixer.Fix(mCg);