1 files changed, 137 insertions, 0 deletions
diff --git a/dom/svg/SVGFEColorMatrixElement.cpp b/dom/svg/SVGFEColorMatrixElement.cpp
new file mode 100644
index 0000000000..9295a8bdbb
--- /dev/null
+++ b/dom/svg/SVGFEColorMatrixElement.cpp
@@ -0,0 +1,137 @@
+/* -*- 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/SVGFEColorMatrixElement.h"
+
+#include "DOMSVGAnimatedNumberList.h"
+#include "mozilla/dom/SVGFEColorMatrixElementBinding.h"
+#include "mozilla/dom/Document.h"
+#include "mozilla/dom/BindContext.h"
+
+#define NUM_ENTRIES_IN_4x5_MATRIX 20
+
+NS_IMPL_NS_NEW_SVG_ELEMENT(FEColorMatrix)
+
+using namespace mozilla::gfx;
+
+namespace mozilla::dom {
+
+JSObject* SVGFEColorMatrixElement::WrapNode(JSContext* aCx,
+                                            JS::Handle<JSObject*> aGivenProto) {
+  return SVGFEColorMatrixElement_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+SVGEnumMapping SVGFEColorMatrixElement::sTypeMap[] = {
+    {nsGkAtoms::matrix, SVG_FECOLORMATRIX_TYPE_MATRIX},
+    {nsGkAtoms::saturate, SVG_FECOLORMATRIX_TYPE_SATURATE},
+    {nsGkAtoms::hueRotate, SVG_FECOLORMATRIX_TYPE_HUE_ROTATE},
+    {nsGkAtoms::luminanceToAlpha, SVG_FECOLORMATRIX_TYPE_LUMINANCE_TO_ALPHA},
+    {nullptr, 0}};
+
+SVGElement::EnumInfo SVGFEColorMatrixElement::sEnumInfo[1] = {
+    {nsGkAtoms::type, sTypeMap, SVG_FECOLORMATRIX_TYPE_MATRIX}};
+
+SVGElement::StringInfo SVGFEColorMatrixElement::sStringInfo[2] = {
+    {nsGkAtoms::result, kNameSpaceID_None, true},
+    {nsGkAtoms::in, kNameSpaceID_None, true}};
+
+SVGElement::NumberListInfo SVGFEColorMatrixElement::sNumberListInfo[1] = {
+    {nsGkAtoms::values}};
+
+//----------------------------------------------------------------------
+// nsINode methods
+
+NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEColorMatrixElement)
+
+//----------------------------------------------------------------------
+
+already_AddRefed<DOMSVGAnimatedString> SVGFEColorMatrixElement::In1() {
+  return mStringAttributes[IN1].ToDOMAnimatedString(this);
+}
+
+already_AddRefed<DOMSVGAnimatedEnumeration> SVGFEColorMatrixElement::Type() {
+  return mEnumAttributes[TYPE].ToDOMAnimatedEnum(this);
+}
+
+already_AddRefed<DOMSVGAnimatedNumberList> SVGFEColorMatrixElement::Values() {
+  return DOMSVGAnimatedNumberList::GetDOMWrapper(&mNumberListAttributes[VALUES],
+                                                 this, VALUES);
+}
+
+void SVGFEColorMatrixElement::GetSourceImageNames(
+    nsTArray<SVGStringInfo>& aSources) {
+  aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN1], this));
+}
+
+FilterPrimitiveDescription SVGFEColorMatrixElement::GetPrimitiveDescription(
+    SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
+    const nsTArray<bool>& aInputsAreTainted,
+    nsTArray<RefPtr<SourceSurface>>& aInputImages) {
+  uint32_t type = mEnumAttributes[TYPE].GetAnimValue();
+  const SVGNumberList& values = mNumberListAttributes[VALUES].GetAnimValue();
+
+  ColorMatrixAttributes atts;
+  if (!mNumberListAttributes[VALUES].IsExplicitlySet() &&
+      (type == SVG_FECOLORMATRIX_TYPE_MATRIX ||
+       type == SVG_FECOLORMATRIX_TYPE_SATURATE ||
+       type == SVG_FECOLORMATRIX_TYPE_HUE_ROTATE)) {
+    atts.mType = (uint32_t)SVG_FECOLORMATRIX_TYPE_MATRIX;
+    static const float identityMatrix[] = {
+        // clang-format off
+        1, 0, 0, 0, 0,
+        0, 1, 0, 0, 0,
+        0, 0, 1, 0, 0,
+        0, 0, 0, 1, 0
+        // clang-format on
+    };
+    atts.mValues.AppendElements(identityMatrix, 20);
+  } else {
+    atts.mType = type;
+    if (values.Length()) {
+      atts.mValues.AppendElements(&values[0], values.Length());
+    }
+  }
+
+  return FilterPrimitiveDescription(AsVariant(std::move(atts)));
+}
+
+bool SVGFEColorMatrixElement::AttributeAffectsRendering(
+    int32_t aNameSpaceID, nsAtom* aAttribute) const {
+  return SVGFEColorMatrixElementBase::AttributeAffectsRendering(aNameSpaceID,
+                                                                aAttribute) ||
+         (aNameSpaceID == kNameSpaceID_None &&
+          (aAttribute == nsGkAtoms::in || aAttribute == nsGkAtoms::type ||
+           aAttribute == nsGkAtoms::values));
+}
+
+nsresult SVGFEColorMatrixElement::BindToTree(BindContext& aCtx,
+                                             nsINode& aParent) {
+  if (aCtx.InComposedDoc()) {
+    aCtx.OwnerDoc().SetUseCounter(eUseCounter_custom_feColorMatrix);
+  }
+
+  return SVGFE::BindToTree(aCtx, aParent);
+}
+
+//----------------------------------------------------------------------
+// SVGElement methods
+
+SVGElement::EnumAttributesInfo SVGFEColorMatrixElement::GetEnumInfo() {
+  return EnumAttributesInfo(mEnumAttributes, sEnumInfo, ArrayLength(sEnumInfo));
+}
+
+SVGElement::StringAttributesInfo SVGFEColorMatrixElement::GetStringInfo() {
+  return StringAttributesInfo(mStringAttributes, sStringInfo,
+                              ArrayLength(sStringInfo));
+}
+
+SVGElement::NumberListAttributesInfo
+SVGFEColorMatrixElement::GetNumberListInfo() {
+  return NumberListAttributesInfo(mNumberListAttributes, sNumberListInfo,
+                                  ArrayLength(sNumberListInfo));
+}
+
+}  // namespace mozilla::dom