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Bug 711063 - Part 1.5: Add operator to gfx::Matrix for size transformation. r=jrmuizel

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This commit is contained in:
Bas Schouten 2012-01-05 08:17:51 +01:00
parent fbae97b9be
commit 419c357802
1 changed files with 10 additions and 0 deletions
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10
gfx/2d/Matrix.h
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@ -73,6 +73,16 @@ public:
return retPoint;
}
Size operator *(const Size &aSize) const
{
Size retSize;
retSize.width = aSize.width * _11 + aSize.height * _21;
retSize.height = aSize.width * _12 + aSize.height * _22;
return retSize;
}
Rect TransformBounds(const Rect& rect) const;
// Apply a scale to this matrix. This scale will be applied -before- the