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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/svg/nsSVGPathGeometryElement.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/svg/nsSVGPathGeometryElement.cpp')
-rw-r--r--dom/svg/nsSVGPathGeometryElement.cpp132
1 files changed, 132 insertions, 0 deletions
diff --git a/dom/svg/nsSVGPathGeometryElement.cpp b/dom/svg/nsSVGPathGeometryElement.cpp
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index 000000000..ea2e1c7c4
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+++ b/dom/svg/nsSVGPathGeometryElement.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsSVGPathGeometryElement.h"
+
+#include "gfxPlatform.h"
+#include "mozilla/gfx/2D.h"
+#include "nsComputedDOMStyle.h"
+#include "nsSVGUtils.h"
+#include "nsSVGLength2.h"
+#include "SVGContentUtils.h"
+
+using namespace mozilla;
+using namespace mozilla::gfx;
+
+//----------------------------------------------------------------------
+// Implementation
+
+nsSVGPathGeometryElement::nsSVGPathGeometryElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
+ : nsSVGPathGeometryElementBase(aNodeInfo)
+{
+}
+
+nsresult
+nsSVGPathGeometryElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
+ const nsAttrValue* aValue, bool aNotify)
+{
+ if (mCachedPath &&
+ aNamespaceID == kNameSpaceID_None &&
+ AttributeDefinesGeometry(aName)) {
+ mCachedPath = nullptr;
+ }
+ return nsSVGPathGeometryElementBase::AfterSetAttr(aNamespaceID, aName,
+ aValue, aNotify);
+}
+
+bool
+nsSVGPathGeometryElement::AttributeDefinesGeometry(const nsIAtom *aName)
+{
+ // Check for nsSVGLength2 attribute
+ LengthAttributesInfo info = GetLengthInfo();
+ for (uint32_t i = 0; i < info.mLengthCount; i++) {
+ if (aName == *info.mLengthInfo[i].mName) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+bool
+nsSVGPathGeometryElement::GeometryDependsOnCoordCtx()
+{
+ // Check the nsSVGLength2 attribute
+ LengthAttributesInfo info = const_cast<nsSVGPathGeometryElement*>(this)->GetLengthInfo();
+ for (uint32_t i = 0; i < info.mLengthCount; i++) {
+ if (info.mLengths[i].GetSpecifiedUnitType() == nsIDOMSVGLength::SVG_LENGTHTYPE_PERCENTAGE) {
+ return true;
+ }
+ }
+ return false;
+}
+
+bool
+nsSVGPathGeometryElement::IsMarkable()
+{
+ return false;
+}
+
+void
+nsSVGPathGeometryElement::GetMarkPoints(nsTArray<nsSVGMark> *aMarks)
+{
+}
+
+already_AddRefed<Path>
+nsSVGPathGeometryElement::GetOrBuildPath(const DrawTarget& aDrawTarget,
+ FillRule aFillRule)
+{
+ // We only cache the path if it matches the backend used for screen painting:
+ bool cacheable = aDrawTarget.GetBackendType() ==
+ gfxPlatform::GetPlatform()->GetDefaultContentBackend();
+
+ // Checking for and returning mCachedPath before checking the pref means
+ // that the pref is only live on page reload (or app restart for SVG in
+ // chrome). The benefit is that we avoid causing a CPU memory cache miss by
+ // looking at the global variable that the pref's stored in.
+ if (cacheable && mCachedPath) {
+ if (aDrawTarget.GetBackendType() == mCachedPath->GetBackendType()) {
+ RefPtr<Path> path(mCachedPath);
+ return path.forget();
+ }
+ }
+ RefPtr<PathBuilder> builder = aDrawTarget.CreatePathBuilder(aFillRule);
+ RefPtr<Path> path = BuildPath(builder);
+ if (cacheable && NS_SVGPathCachingEnabled()) {
+ mCachedPath = path;
+ }
+ return path.forget();
+}
+
+already_AddRefed<Path>
+nsSVGPathGeometryElement::GetOrBuildPathForMeasuring()
+{
+ return nullptr;
+}
+
+FillRule
+nsSVGPathGeometryElement::GetFillRule()
+{
+ FillRule fillRule = FillRule::FILL_WINDING; // Equivalent to StyleFillRule::Nonzero
+
+ RefPtr<nsStyleContext> styleContext =
+ nsComputedDOMStyle::GetStyleContextForElementNoFlush(this, nullptr,
+ nullptr);
+
+ if (styleContext) {
+ MOZ_ASSERT(styleContext->StyleSVG()->mFillRule == StyleFillRule::Nonzero ||
+ styleContext->StyleSVG()->mFillRule == StyleFillRule::Evenodd);
+
+ if (styleContext->StyleSVG()->mFillRule == StyleFillRule::Evenodd) {
+ fillRule = FillRule::FILL_EVEN_ODD;
+ }
+ } else {
+ // ReportToConsole
+ NS_WARNING("Couldn't get style context for content in GetFillRule");
+ }
+
+ return fillRule;
+}