зеркало из https://github.com/mozilla/gecko-dev.git
71 строка
2.1 KiB
C++
71 строка
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// Main header first:
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#include "SVGImageContext.h"
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// Keep others in (case-insensitive) order:
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#include "gfxUtils.h"
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#include "mozilla/Preferences.h"
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#include "nsIFrame.h"
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#include "nsPresContext.h"
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namespace mozilla {
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/* static */ void
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SVGImageContext::MaybeInitAndStoreContextPaint(Maybe<SVGImageContext>& aContext,
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nsIFrame* aFromFrame,
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imgIContainer* aImgContainer)
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{
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static bool sEnabledForContent = false;
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static bool sEnabledForContentCached = false;
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MOZ_ASSERT(!aContext, "The emplace() call below with overwrite this object");
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if (!sEnabledForContentCached) {
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Preferences::AddBoolVarCache(&sEnabledForContent,
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"svg.context-properties.content.enabled", false);
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sEnabledForContentCached = true;
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}
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if (!sEnabledForContent &&
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!aFromFrame->PresContext()->IsChrome()) {
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// Context paint is pref'ed off for content and this is a content doc.
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return;
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}
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if (aImgContainer->GetType() != imgIContainer::TYPE_VECTOR) {
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// Avoid this overhead for raster images.
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return;
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}
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// XXX return early if the 'context-properties' property is not set.
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bool haveContextPaint = false;
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RefPtr<SVGEmbeddingContextPaint> contextPaint = new SVGEmbeddingContextPaint();
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const nsStyleSVG* style = aFromFrame->StyleSVG();
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// XXX don't set values for properties not listed in 'context-properties'.
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if (style->mFill.Type() == eStyleSVGPaintType_Color) {
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haveContextPaint = true;
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contextPaint->SetFill(style->mFill.GetColor());
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}
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if (style->mStroke.Type() == eStyleSVGPaintType_Color) {
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haveContextPaint = true;
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contextPaint->SetStroke(style->mStroke.GetColor());
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}
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if (haveContextPaint) {
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aContext.emplace();
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aContext->mContextPaint = contextPaint.forget();
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}
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}
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} // namespace mozilla
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