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Bug 655877 - Part 31d: Hook SVG text scaling into CSS text frames. r=roc

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This commit is contained in:
Cameron McCormack 2013-02-11 17:22:17 +11:00
parent 529122a1a5
commit c40ceb2917
1 changed files with 12 additions and 1 deletions
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13
layout/base/nsLayoutUtils.cpp
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@ -77,6 +77,7 @@
#include "nsSVGIntegrationUtils.h"
#include "nsSVGForeignObjectFrame.h"
#include "nsSVGOuterSVGFrame.h"
#include "nsSVGTextFrame2.h"
#include "nsStyleStructInlines.h"
#include "mozilla/dom/PBrowserChild.h"
@ -5290,8 +5291,18 @@ nsLayoutUtils::InflationMinFontSizeFor(const nsIFrame *aFrame)
float
nsLayoutUtils::FontSizeInflationFor(const nsIFrame *aFrame)
{
if (aFrame->IsSVGText()) {
const nsIFrame* container = aFrame;
while (container->GetType() != nsGkAtoms::svgTextFrame2) {
container = container->GetParent();
}
NS_ASSERTION(container, "expected to find an ancestor nsSVGTextFrame2");
return
static_cast<const nsSVGTextFrame2*>(container)->GetFontSizeScaleFactor();
}
if (!FontSizeInflationEnabled(aFrame->PresContext())) {
return 1.0;
return 1.0f;
}
return FontSizeInflationInner(aFrame, InflationMinFontSizeFor(aFrame));