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Bug 655877 - Part 41a: Move ToCanvasBounds to nsSVGUtils. r=longsonr

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This commit is contained in:
Cameron McCormack 2013-02-11 17:22:18 +11:00
parent 9d4cb3bfde
commit e8ca525d3a
3 changed files with 24 additions and 19 deletions
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23
layout/svg/nsSVGForeignObjectFrame.cpp
View File

@ -204,22 +204,6 @@ nsSVGForeignObjectFrame::IsSVGTransformed(gfxMatrix *aOwnTransform,
return foundTransform;
}
/**
* Returns the app unit canvas bounds of a userspace rect.
*
* @param aToCanvas Transform from userspace to canvas device space.
*/
static nsRect
ToCanvasBounds(const gfxRect &aUserspaceRect,
const gfxMatrix &aToCanvas,
const nsPresContext *presContext)
{
return nsLayoutUtils::RoundGfxRectToAppRect(
aToCanvas.TransformBounds(aUserspaceRect),
presContext->AppUnitsPerDevPixel());
}
NS_IMETHODIMP
nsSVGForeignObjectFrame::PaintSVG(nsRenderingContext *aContext,
const nsIntRect *aDirtyRect)
@ -360,8 +344,9 @@ nsSVGForeignObjectFrame::GetCoveredRegion()
if (w < 0.0f) w = 0.0f;
if (h < 0.0f) h = 0.0f;
// GetCanvasTM includes the x,y translation
return ToCanvasBounds(gfxRect(0.0, 0.0, w, h), GetCanvasTM(FOR_OUTERSVG_TM),
PresContext());
return nsSVGUtils::ToCanvasBounds(gfxRect(0.0, 0.0, w, h),
GetCanvasTM(FOR_OUTERSVG_TM),
PresContext());
}
void
@ -607,7 +592,7 @@ nsSVGForeignObjectFrame::GetInvalidRegion()
if (kid->HasInvalidFrameInSubtree()) {
gfxRect r(mRect.x, mRect.y, mRect.width, mRect.height);
r.Scale(1.0 / nsPresContext::AppUnitsPerCSSPixel());
nsRect rect = ToCanvasBounds(r, GetCanvasTM(FOR_PAINTING), PresContext());
nsRect rect = nsSVGUtils::ToCanvasBounds(r, GetCanvasTM(FOR_PAINTING), PresContext());
rect = nsSVGUtils::GetPostFilterVisualOverflowRect(this, rect);
return rect;
}

10
layout/svg/nsSVGUtils.cpp
View File

@ -1881,3 +1881,13 @@ nsSVGUtils::GetSVGGlyphExtents(Element* aElement,
}
return false;
}
nsRect
nsSVGUtils::ToCanvasBounds(const gfxRect &aUserspaceRect,
const gfxMatrix &aToCanvas,
const nsPresContext *presContext)
{
return nsLayoutUtils::RoundGfxRectToAppRect(
aToCanvas.TransformBounds(aUserspaceRect),
presContext->AppUnitsPerDevPixel());
}

10
layout/svg/nsSVGUtils.h
View File

@ -645,6 +645,16 @@ public:
static bool GetSVGGlyphExtents(Element* aElement,
const gfxMatrix& aSVGToAppSpace,
gfxRect* aResult);
/**
* Returns the app unit canvas bounds of a userspace rect.
*
* @param aToCanvas Transform from userspace to canvas device space.
*/
static nsRect
ToCanvasBounds(const gfxRect &aUserspaceRect,
const gfxMatrix &aToCanvas,
const nsPresContext *presContext);
};
#endif