1 files changed, 150 insertions, 0 deletions
diff --git a/dom/svg/SVGFEDropShadowElement.cpp b/dom/svg/SVGFEDropShadowElement.cpp
new file mode 100644
index 0000000000..8dd04831cf
--- /dev/null
+++ b/dom/svg/SVGFEDropShadowElement.cpp
@@ -0,0 +1,150 @@
+/* -*- 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/SVGFEDropShadowElement.h"
+#include "mozilla/dom/SVGFEDropShadowElementBinding.h"
+#include "mozilla/SVGFilterInstance.h"
+#include "nsIFrame.h"
+
+NS_IMPL_NS_NEW_SVG_ELEMENT(FEDropShadow)
+
+using namespace mozilla::gfx;
+
+namespace mozilla::dom {
+
+JSObject* SVGFEDropShadowElement::WrapNode(JSContext* aCx,
+                                           JS::Handle<JSObject*> aGivenProto) {
+  return SVGFEDropShadowElement_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+SVGElement::NumberInfo SVGFEDropShadowElement::sNumberInfo[2] = {
+    {nsGkAtoms::dx, 2}, {nsGkAtoms::dy, 2}};
+
+SVGElement::NumberPairInfo SVGFEDropShadowElement::sNumberPairInfo[1] = {
+    {nsGkAtoms::stdDeviation, 2, 2}};
+
+SVGElement::StringInfo SVGFEDropShadowElement::sStringInfo[2] = {
+    {nsGkAtoms::result, kNameSpaceID_None, true},
+    {nsGkAtoms::in, kNameSpaceID_None, true}};
+
+//----------------------------------------------------------------------
+// nsINode methods
+
+NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEDropShadowElement)
+
+//----------------------------------------------------------------------
+
+already_AddRefed<DOMSVGAnimatedString> SVGFEDropShadowElement::In1() {
+  return mStringAttributes[IN1].ToDOMAnimatedString(this);
+}
+
+already_AddRefed<DOMSVGAnimatedNumber> SVGFEDropShadowElement::Dx() {
+  return mNumberAttributes[DX].ToDOMAnimatedNumber(this);
+}
+
+already_AddRefed<DOMSVGAnimatedNumber> SVGFEDropShadowElement::Dy() {
+  return mNumberAttributes[DY].ToDOMAnimatedNumber(this);
+}
+
+already_AddRefed<DOMSVGAnimatedNumber> SVGFEDropShadowElement::StdDeviationX() {
+  return mNumberPairAttributes[STD_DEV].ToDOMAnimatedNumber(
+      SVGAnimatedNumberPair::eFirst, this);
+}
+
+already_AddRefed<DOMSVGAnimatedNumber> SVGFEDropShadowElement::StdDeviationY() {
+  return mNumberPairAttributes[STD_DEV].ToDOMAnimatedNumber(
+      SVGAnimatedNumberPair::eSecond, this);
+}
+
+void SVGFEDropShadowElement::SetStdDeviation(float stdDeviationX,
+                                             float stdDeviationY) {
+  mNumberPairAttributes[STD_DEV].SetBaseValues(stdDeviationX, stdDeviationY,
+                                               this);
+}
+
+FilterPrimitiveDescription SVGFEDropShadowElement::GetPrimitiveDescription(
+    SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
+    const nsTArray<bool>& aInputsAreTainted,
+    nsTArray<RefPtr<SourceSurface>>& aInputImages) {
+  float stdX = aInstance->GetPrimitiveNumber(SVGContentUtils::X,
+                                             &mNumberPairAttributes[STD_DEV],
+                                             SVGAnimatedNumberPair::eFirst);
+  float stdY = aInstance->GetPrimitiveNumber(SVGContentUtils::Y,
+                                             &mNumberPairAttributes[STD_DEV],
+                                             SVGAnimatedNumberPair::eSecond);
+  if (stdX < 0 || stdY < 0) {
+    return FilterPrimitiveDescription();
+  }
+
+  Point offset(
+      aInstance->GetPrimitiveNumber(SVGContentUtils::X, &mNumberAttributes[DX]),
+      aInstance->GetPrimitiveNumber(SVGContentUtils::Y,
+                                    &mNumberAttributes[DY]));
+
+  DropShadowAttributes atts;
+  atts.mStdDeviation = Size(stdX, stdY);
+  atts.mOffset = offset;
+
+  if (const auto* frame = GetPrimaryFrame()) {
+    const nsStyleSVGReset* styleSVGReset = frame->Style()->StyleSVGReset();
+    sRGBColor color(
+        sRGBColor::FromABGR(styleSVGReset->mFloodColor.CalcColor(frame)));
+    color.a *= styleSVGReset->mFloodOpacity;
+    atts.mColor = color;
+  } else {
+    atts.mColor = sRGBColor();
+  }
+  return FilterPrimitiveDescription(AsVariant(std::move(atts)));
+}
+
+bool SVGFEDropShadowElement::OutputIsTainted(
+    const nsTArray<bool>& aInputsAreTainted,
+    nsIPrincipal* aReferencePrincipal) {
+  if (const auto* frame = GetPrimaryFrame()) {
+    if (frame->Style()->StyleSVGReset()->mFloodColor.IsCurrentColor()) {
+      return true;
+    }
+  }
+
+  return SVGFEDropShadowElementBase::OutputIsTainted(aInputsAreTainted,
+                                                     aReferencePrincipal);
+}
+
+bool SVGFEDropShadowElement::AttributeAffectsRendering(
+    int32_t aNameSpaceID, nsAtom* aAttribute) const {
+  return SVGFEDropShadowElementBase::AttributeAffectsRendering(aNameSpaceID,
+                                                               aAttribute) ||
+         (aNameSpaceID == kNameSpaceID_None &&
+          (aAttribute == nsGkAtoms::in ||
+           aAttribute == nsGkAtoms::stdDeviation ||
+           aAttribute == nsGkAtoms::dx || aAttribute == nsGkAtoms::dy));
+}
+
+void SVGFEDropShadowElement::GetSourceImageNames(
+    nsTArray<SVGStringInfo>& aSources) {
+  aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN1], this));
+}
+
+//----------------------------------------------------------------------
+// SVGElement methods
+
+SVGElement::NumberAttributesInfo SVGFEDropShadowElement::GetNumberInfo() {
+  return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
+                              ArrayLength(sNumberInfo));
+}
+
+SVGElement::NumberPairAttributesInfo
+SVGFEDropShadowElement::GetNumberPairInfo() {
+  return NumberPairAttributesInfo(mNumberPairAttributes, sNumberPairInfo,
+                                  ArrayLength(sNumberPairInfo));
+}
+
+SVGElement::StringAttributesInfo SVGFEDropShadowElement::GetStringInfo() {
+  return StringAttributesInfo(mStringAttributes, sStringInfo,
+                              ArrayLength(sStringInfo));
+}
+
+}  // namespace mozilla::dom