Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 218 insertions, 0 deletions

diff --git a/dom/svg/SVGMarkerElement.cpp b/dom/svg/SVGMarkerElement.cpp
new file mode 100644
index 0000000000..5467c4ac11
--- /dev/null
+++ b/dom/svg/SVGMarkerElement.cpp
@@ -0,0 +1,218 @@
+/* -*- 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 "mozilla/dom/SVGMarkerElement.h"
+
+#include "nsGkAtoms.h"
+#include "DOMSVGAngle.h"
+#include "SVGAnimatedPreserveAspectRatio.h"
+#include "nsError.h"
+#include "mozilla/ArrayUtils.h"
+#include "mozilla/dom/SVGGeometryElement.h"
+#include "mozilla/dom/SVGLengthBinding.h"
+#include "mozilla/dom/SVGMarkerElementBinding.h"
+#include "mozilla/gfx/Matrix.h"
+#include "mozilla/FloatingPoint.h"
+#include "mozilla/RefPtr.h"
+#include "SVGContentUtils.h"
+
+using namespace mozilla::gfx;
+using namespace mozilla::dom::SVGMarkerElement_Binding;
+
+NS_IMPL_NS_NEW_SVG_ELEMENT(Marker)
+
+namespace mozilla::dom {
+
+using namespace SVGAngle_Binding;
+
+JSObject* SVGMarkerElement::WrapNode(JSContext* aCx,
+                                     JS::Handle<JSObject*> aGivenProto) {
+  return SVGMarkerElement_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+SVGElement::LengthInfo SVGMarkerElement::sLengthInfo[4] = {
+    {nsGkAtoms::refX, 0, SVGLength_Binding::SVG_LENGTHTYPE_NUMBER,
+     SVGContentUtils::X},
+    {nsGkAtoms::refY, 0, SVGLength_Binding::SVG_LENGTHTYPE_NUMBER,
+     SVGContentUtils::Y},
+    {nsGkAtoms::markerWidth, 3, SVGLength_Binding::SVG_LENGTHTYPE_NUMBER,
+     SVGContentUtils::X},
+    {nsGkAtoms::markerHeight, 3, SVGLength_Binding::SVG_LENGTHTYPE_NUMBER,
+     SVGContentUtils::Y},
+};
+
+SVGEnumMapping SVGMarkerElement::sUnitsMap[] = {
+    {nsGkAtoms::strokeWidth, SVG_MARKERUNITS_STROKEWIDTH},
+    {nsGkAtoms::userSpaceOnUse, SVG_MARKERUNITS_USERSPACEONUSE},
+    {nullptr, 0}};
+
+SVGElement::EnumInfo SVGMarkerElement::sEnumInfo[1] = {
+    {nsGkAtoms::markerUnits, sUnitsMap, SVG_MARKERUNITS_STROKEWIDTH}};
+
+//----------------------------------------------------------------------
+// Implementation
+
+SVGMarkerElement::SVGMarkerElement(
+    already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
+    : SVGMarkerElementBase(std::move(aNodeInfo)), mCoordCtx(nullptr) {}
+
+//----------------------------------------------------------------------
+// nsINode methods
+
+NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGMarkerElement)
+
+//----------------------------------------------------------------------
+
+already_AddRefed<SVGAnimatedRect> SVGMarkerElement::ViewBox() {
+  return mViewBox.ToSVGAnimatedRect(this);
+}
+
+already_AddRefed<DOMSVGAnimatedPreserveAspectRatio>
+SVGMarkerElement::PreserveAspectRatio() {
+  return mPreserveAspectRatio.ToDOMAnimatedPreserveAspectRatio(this);
+}
+
+//----------------------------------------------------------------------
+
+already_AddRefed<DOMSVGAnimatedLength> SVGMarkerElement::RefX() {
+  return mLengthAttributes[REFX].ToDOMAnimatedLength(this);
+}
+
+already_AddRefed<DOMSVGAnimatedLength> SVGMarkerElement::RefY() {
+  return mLengthAttributes[REFY].ToDOMAnimatedLength(this);
+}
+
+already_AddRefed<DOMSVGAnimatedEnumeration> SVGMarkerElement::MarkerUnits() {
+  return mEnumAttributes[MARKERUNITS].ToDOMAnimatedEnum(this);
+}
+
+already_AddRefed<DOMSVGAnimatedLength> SVGMarkerElement::MarkerWidth() {
+  return mLengthAttributes[MARKERWIDTH].ToDOMAnimatedLength(this);
+}
+
+already_AddRefed<DOMSVGAnimatedLength> SVGMarkerElement::MarkerHeight() {
+  return mLengthAttributes[MARKERHEIGHT].ToDOMAnimatedLength(this);
+}
+
+already_AddRefed<DOMSVGAnimatedEnumeration> SVGMarkerElement::OrientType() {
+  return mOrient.ToDOMAnimatedEnum(this);
+}
+
+already_AddRefed<DOMSVGAnimatedAngle> SVGMarkerElement::OrientAngle() {
+  return mOrient.ToDOMAnimatedAngle(this);
+}
+
+void SVGMarkerElement::SetOrientToAuto() {
+  mOrient.SetBaseType(SVG_MARKER_ORIENT_AUTO, this, IgnoreErrors());
+}
+
+void SVGMarkerElement::SetOrientToAngle(DOMSVGAngle& aAngle) {
+  nsAutoString angle;
+  aAngle.GetValueAsString(angle);
+  mOrient.SetBaseValueString(angle, this, true);
+}
+
+//----------------------------------------------------------------------
+// SVGElement methods
+
+void SVGMarkerElement::SetParentCoordCtxProvider(SVGViewportElement* aContext) {
+  mCoordCtx = aContext;
+  mViewBoxToViewportTransform = nullptr;
+}
+
+/* virtual */
+bool SVGMarkerElement::HasValidDimensions() const {
+  return (!mLengthAttributes[MARKERWIDTH].IsExplicitlySet() ||
+          mLengthAttributes[MARKERWIDTH].GetAnimValInSpecifiedUnits() > 0) &&
+         (!mLengthAttributes[MARKERHEIGHT].IsExplicitlySet() ||
+          mLengthAttributes[MARKERHEIGHT].GetAnimValInSpecifiedUnits() > 0);
+}
+
+SVGElement::LengthAttributesInfo SVGMarkerElement::GetLengthInfo() {
+  return LengthAttributesInfo(mLengthAttributes, sLengthInfo,
+                              ArrayLength(sLengthInfo));
+}
+
+SVGElement::EnumAttributesInfo SVGMarkerElement::GetEnumInfo() {
+  return EnumAttributesInfo(mEnumAttributes, sEnumInfo, ArrayLength(sEnumInfo));
+}
+
+SVGAnimatedOrient* SVGMarkerElement::GetAnimatedOrient() { return &mOrient; }
+
+SVGAnimatedViewBox* SVGMarkerElement::GetAnimatedViewBox() { return &mViewBox; }
+
+SVGAnimatedPreserveAspectRatio*
+SVGMarkerElement::GetAnimatedPreserveAspectRatio() {
+  return &mPreserveAspectRatio;
+}
+
+//----------------------------------------------------------------------
+// public helpers
+
+gfx::Matrix SVGMarkerElement::GetMarkerTransform(float aStrokeWidth,
+                                                 const SVGMark& aMark) {
+  float scale =
+      mEnumAttributes[MARKERUNITS].GetAnimValue() == SVG_MARKERUNITS_STROKEWIDTH
+          ? aStrokeWidth
+          : 1.0f;
+
+  float angle;
+  switch (mOrient.GetAnimType()) {
+    case SVG_MARKER_ORIENT_AUTO:
+      angle = aMark.angle;
+      break;
+    case SVG_MARKER_ORIENT_AUTO_START_REVERSE:
+      angle = aMark.angle + (aMark.type == SVGMark::eStart ? M_PI : 0.0f);
+      break;
+    default:  // SVG_MARKER_ORIENT_ANGLE
+      angle = mOrient.GetAnimValue() * M_PI / 180.0f;
+      break;
+  }
+
+  return gfx::Matrix(cos(angle) * scale, sin(angle) * scale,
+                     -sin(angle) * scale, cos(angle) * scale, aMark.x, aMark.y);
+}
+
+SVGViewBox SVGMarkerElement::GetViewBox() {
+  if (mViewBox.HasRect()) {
+    return mViewBox.GetAnimValue();
+  }
+  return SVGViewBox(0, 0,
+                    mLengthAttributes[MARKERWIDTH].GetAnimValue(mCoordCtx),
+                    mLengthAttributes[MARKERHEIGHT].GetAnimValue(mCoordCtx));
+}
+
+gfx::Matrix SVGMarkerElement::GetViewBoxTransform() {
+  if (!mViewBoxToViewportTransform) {
+    float viewportWidth =
+        mLengthAttributes[MARKERWIDTH].GetAnimValue(mCoordCtx);
+    float viewportHeight =
+        mLengthAttributes[MARKERHEIGHT].GetAnimValue(mCoordCtx);
+
+    SVGViewBox viewbox = GetViewBox();
+
+    MOZ_ASSERT(viewbox.width > 0.0f && viewbox.height > 0.0f,
+               "Rendering should be disabled");
+
+    gfx::Matrix viewBoxTM = SVGContentUtils::GetViewBoxTransform(
+        viewportWidth, viewportHeight, viewbox.x, viewbox.y, viewbox.width,
+        viewbox.height, mPreserveAspectRatio);
+
+    float refX = mLengthAttributes[REFX].GetAnimValue(mCoordCtx);
+    float refY = mLengthAttributes[REFY].GetAnimValue(mCoordCtx);
+
+    gfx::Point ref = viewBoxTM.TransformPoint(gfx::Point(refX, refY));
+
+    Matrix TM = viewBoxTM;
+    TM.PostTranslate(-ref.x, -ref.y);
+
+    mViewBoxToViewportTransform = MakeUnique<gfx::Matrix>(TM);
+  }
+
+  return *mViewBoxToViewportTransform;
+}
+
+}  // namespace mozilla::dom