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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/nsSVGPolyElement.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/svg/nsSVGPolyElement.cpp')
-rw-r--r--dom/svg/nsSVGPolyElement.cpp159
1 files changed, 159 insertions, 0 deletions
diff --git a/dom/svg/nsSVGPolyElement.cpp b/dom/svg/nsSVGPolyElement.cpp
new file mode 100644
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+++ b/dom/svg/nsSVGPolyElement.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 "nsSVGPolyElement.h"
+#include "DOMSVGPointList.h"
+#include "mozilla/gfx/2D.h"
+#include "SVGContentUtils.h"
+
+using namespace mozilla;
+using namespace mozilla::gfx;
+
+//----------------------------------------------------------------------
+// nsISupports methods
+
+NS_IMPL_ADDREF_INHERITED(nsSVGPolyElement,nsSVGPolyElementBase)
+NS_IMPL_RELEASE_INHERITED(nsSVGPolyElement,nsSVGPolyElementBase)
+
+NS_INTERFACE_MAP_BEGIN(nsSVGPolyElement)
+NS_INTERFACE_MAP_END_INHERITING(nsSVGPolyElementBase)
+
+//----------------------------------------------------------------------
+// Implementation
+
+nsSVGPolyElement::nsSVGPolyElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
+ : nsSVGPolyElementBase(aNodeInfo)
+{
+}
+
+nsSVGPolyElement::~nsSVGPolyElement()
+{
+}
+
+already_AddRefed<DOMSVGPointList>
+nsSVGPolyElement::Points()
+{
+ void *key = mPoints.GetBaseValKey();
+ RefPtr<DOMSVGPointList> points = DOMSVGPointList::GetDOMWrapper(key, this, false);
+ return points.forget();
+}
+
+already_AddRefed<DOMSVGPointList>
+nsSVGPolyElement::AnimatedPoints()
+{
+ void *key = mPoints.GetAnimValKey();
+ RefPtr<DOMSVGPointList> points = DOMSVGPointList::GetDOMWrapper(key, this, true);
+ return points.forget();
+}
+
+
+//----------------------------------------------------------------------
+// nsIContent methods
+
+NS_IMETHODIMP_(bool)
+nsSVGPolyElement::IsAttributeMapped(const nsIAtom* name) const
+{
+ static const MappedAttributeEntry* const map[] = {
+ sMarkersMap
+ };
+
+ return FindAttributeDependence(name, map) ||
+ nsSVGPolyElementBase::IsAttributeMapped(name);
+}
+
+//----------------------------------------------------------------------
+// nsSVGElement methods
+
+/* virtual */ bool
+nsSVGPolyElement::HasValidDimensions() const
+{
+ return !mPoints.GetAnimValue().IsEmpty();
+}
+
+//----------------------------------------------------------------------
+// nsSVGPathGeometryElement methods
+
+bool
+nsSVGPolyElement::AttributeDefinesGeometry(const nsIAtom *aName)
+{
+ if (aName == nsGkAtoms::points)
+ return true;
+
+ return false;
+}
+
+void
+nsSVGPolyElement::GetMarkPoints(nsTArray<nsSVGMark> *aMarks)
+{
+ const SVGPointList &points = mPoints.GetAnimValue();
+
+ if (!points.Length())
+ return;
+
+ float px = points[0].mX, py = points[0].mY, prevAngle = 0.0;
+
+ aMarks->AppendElement(nsSVGMark(px, py, 0, nsSVGMark::eStart));
+
+ for (uint32_t i = 1; i < points.Length(); ++i) {
+ float x = points[i].mX;
+ float y = points[i].mY;
+ float angle = atan2(y-py, x-px);
+
+ // Vertex marker.
+ if (i == 1) {
+ aMarks->ElementAt(0).angle = angle;
+ } else {
+ aMarks->ElementAt(aMarks->Length() - 1).angle =
+ SVGContentUtils::AngleBisect(prevAngle, angle);
+ }
+
+ aMarks->AppendElement(nsSVGMark(x, y, 0, nsSVGMark::eMid));
+
+ prevAngle = angle;
+ px = x;
+ py = y;
+ }
+
+ aMarks->LastElement().angle = prevAngle;
+ aMarks->LastElement().type = nsSVGMark::eEnd;
+}
+
+bool
+nsSVGPolyElement::GetGeometryBounds(Rect* aBounds,
+ const StrokeOptions& aStrokeOptions,
+ const Matrix& aToBoundsSpace,
+ const Matrix* aToNonScalingStrokeSpace)
+{
+ const SVGPointList &points = mPoints.GetAnimValue();
+
+ if (!points.Length()) {
+ // Rendering of the element is disabled
+ aBounds->SetEmpty();
+ return true;
+ }
+
+ if (aStrokeOptions.mLineWidth > 0 || aToNonScalingStrokeSpace) {
+ // We don't handle non-scaling-stroke or stroke-miterlimit etc. yet
+ return false;
+ }
+
+ if (aToBoundsSpace.IsRectilinear()) {
+ // We can avoid transforming each point and just transform the result.
+ // Important for large point lists.
+ Rect bounds(points[0], Size());
+ for (uint32_t i = 1; i < points.Length(); ++i) {
+ bounds.ExpandToEnclose(points[i]);
+ }
+ *aBounds = aToBoundsSpace.TransformBounds(bounds);
+ } else {
+ *aBounds = Rect(aToBoundsSpace.TransformPoint(points[0]), Size());
+ for (uint32_t i = 1; i < points.Length(); ++i) {
+ aBounds->ExpandToEnclose(aToBoundsSpace.TransformPoint(points[i]));
+ }
+ }
+ return true;
+}
+