1 files changed, 140 insertions, 0 deletions
diff --git a/dom/svg/SVGFEMorphologyElement.cpp b/dom/svg/SVGFEMorphologyElement.cpp
new file mode 100644
index 0000000000..1ba882c06c
--- /dev/null
+++ b/dom/svg/SVGFEMorphologyElement.cpp
@@ -0,0 +1,140 @@
+/* -*- 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/SVGFEMorphologyElement.h"
+#include "mozilla/dom/SVGFEMorphologyElementBinding.h"
+#include "mozilla/SVGFilterInstance.h"
+#include "mozilla/dom/BindContext.h"
+#include "mozilla/dom/Document.h"
+
+NS_IMPL_NS_NEW_SVG_ELEMENT(FEMorphology)
+
+using namespace mozilla::gfx;
+
+namespace mozilla::dom {
+
+JSObject* SVGFEMorphologyElement::WrapNode(JSContext* aCx,
+                                           JS::Handle<JSObject*> aGivenProto) {
+  return SVGFEMorphologyElement_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+SVGElement::NumberPairInfo SVGFEMorphologyElement::sNumberPairInfo[1] = {
+    {nsGkAtoms::radius, 0, 0}};
+
+SVGEnumMapping SVGFEMorphologyElement::sOperatorMap[] = {
+    {nsGkAtoms::erode, SVG_OPERATOR_ERODE},
+    {nsGkAtoms::dilate, SVG_OPERATOR_DILATE},
+    {nullptr, 0}};
+
+SVGElement::EnumInfo SVGFEMorphologyElement::sEnumInfo[1] = {
+    {nsGkAtoms::_operator, sOperatorMap, SVG_OPERATOR_ERODE}};
+
+SVGElement::StringInfo SVGFEMorphologyElement::sStringInfo[2] = {
+    {nsGkAtoms::result, kNameSpaceID_None, true},
+    {nsGkAtoms::in, kNameSpaceID_None, true}};
+
+//----------------------------------------------------------------------
+// nsINode methods
+
+NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEMorphologyElement)
+
+//----------------------------------------------------------------------
+// SVGFEMorphologyElement methods
+
+already_AddRefed<DOMSVGAnimatedString> SVGFEMorphologyElement::In1() {
+  return mStringAttributes[IN1].ToDOMAnimatedString(this);
+}
+
+already_AddRefed<DOMSVGAnimatedEnumeration> SVGFEMorphologyElement::Operator() {
+  return mEnumAttributes[OPERATOR].ToDOMAnimatedEnum(this);
+}
+
+already_AddRefed<DOMSVGAnimatedNumber> SVGFEMorphologyElement::RadiusX() {
+  return mNumberPairAttributes[RADIUS].ToDOMAnimatedNumber(
+      SVGAnimatedNumberPair::eFirst, this);
+}
+
+already_AddRefed<DOMSVGAnimatedNumber> SVGFEMorphologyElement::RadiusY() {
+  return mNumberPairAttributes[RADIUS].ToDOMAnimatedNumber(
+      SVGAnimatedNumberPair::eSecond, this);
+}
+
+void SVGFEMorphologyElement::SetRadius(float rx, float ry) {
+  mNumberPairAttributes[RADIUS].SetBaseValues(rx, ry, this);
+}
+
+void SVGFEMorphologyElement::GetSourceImageNames(
+    nsTArray<SVGStringInfo>& aSources) {
+  aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN1], this));
+}
+
+#define MORPHOLOGY_EPSILON 0.0001
+
+void SVGFEMorphologyElement::GetRXY(int32_t* aRX, int32_t* aRY,
+                                    const SVGFilterInstance& aInstance) {
+  // Subtract an epsilon here because we don't want a value that's just
+  // slightly larger than an integer to round up to the next integer; it's
+  // probably meant to be the integer it's close to, modulo machine precision
+  // issues.
+  *aRX = NSToIntCeil(aInstance.GetPrimitiveNumber(
+                         SVGContentUtils::X, &mNumberPairAttributes[RADIUS],
+                         SVGAnimatedNumberPair::eFirst) -
+                     MORPHOLOGY_EPSILON);
+  *aRY = NSToIntCeil(aInstance.GetPrimitiveNumber(
+                         SVGContentUtils::Y, &mNumberPairAttributes[RADIUS],
+                         SVGAnimatedNumberPair::eSecond) -
+                     MORPHOLOGY_EPSILON);
+}
+
+FilterPrimitiveDescription SVGFEMorphologyElement::GetPrimitiveDescription(
+    SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
+    const nsTArray<bool>& aInputsAreTainted,
+    nsTArray<RefPtr<SourceSurface>>& aInputImages) {
+  int32_t rx, ry;
+  GetRXY(&rx, &ry, *aInstance);
+  MorphologyAttributes atts;
+  atts.mRadii = Size(rx, ry);
+  atts.mOperator = (uint32_t)mEnumAttributes[OPERATOR].GetAnimValue();
+  return FilterPrimitiveDescription(AsVariant(std::move(atts)));
+}
+
+bool SVGFEMorphologyElement::AttributeAffectsRendering(
+    int32_t aNameSpaceID, nsAtom* aAttribute) const {
+  return SVGFEMorphologyElementBase::AttributeAffectsRendering(aNameSpaceID,
+                                                               aAttribute) ||
+         (aNameSpaceID == kNameSpaceID_None &&
+          (aAttribute == nsGkAtoms::in || aAttribute == nsGkAtoms::radius ||
+           aAttribute == nsGkAtoms::_operator));
+}
+
+nsresult SVGFEMorphologyElement::BindToTree(BindContext& aCtx,
+                                            nsINode& aParent) {
+  if (aCtx.InComposedDoc()) {
+    aCtx.OwnerDoc().SetUseCounter(eUseCounter_custom_feMorphology);
+  }
+
+  return SVGFE::BindToTree(aCtx, aParent);
+}
+
+//----------------------------------------------------------------------
+// SVGElement methods
+
+SVGElement::NumberPairAttributesInfo
+SVGFEMorphologyElement::GetNumberPairInfo() {
+  return NumberPairAttributesInfo(mNumberPairAttributes, sNumberPairInfo,
+                                  ArrayLength(sNumberPairInfo));
+}
+
+SVGElement::EnumAttributesInfo SVGFEMorphologyElement::GetEnumInfo() {
+  return EnumAttributesInfo(mEnumAttributes, sEnumInfo, ArrayLength(sEnumInfo));
+}
+
+SVGElement::StringAttributesInfo SVGFEMorphologyElement::GetStringInfo() {
+  return StringAttributesInfo(mStringAttributes, sStringInfo,
+                              ArrayLength(sStringInfo));
+}
+
+}  // namespace mozilla::dom