1 files changed, 166 insertions, 0 deletions
diff --git a/dom/svg/SVGFEMorphologyElement.cpp b/dom/svg/SVGFEMorphologyElement.cpp
new file mode 100644
index 000000000..3d2de3a0f
--- /dev/null
+++ b/dom/svg/SVGFEMorphologyElement.cpp
@@ -0,0 +1,166 @@
+/* -*- 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 "nsSVGFilterInstance.h"
+
+NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(FEMorphology)
+
+using namespace mozilla::gfx;
+
+namespace mozilla {
+namespace dom {
+
+JSObject*
+SVGFEMorphologyElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return SVGFEMorphologyElementBinding::Wrap(aCx, this, aGivenProto);
+}
+
+nsSVGElement::NumberPairInfo SVGFEMorphologyElement::sNumberPairInfo[1] =
+{
+  { &nsGkAtoms::radius, 0, 0 }
+};
+
+nsSVGEnumMapping SVGFEMorphologyElement::sOperatorMap[] = {
+  {&nsGkAtoms::erode, SVG_OPERATOR_ERODE},
+  {&nsGkAtoms::dilate, SVG_OPERATOR_DILATE},
+  {nullptr, 0}
+};
+
+nsSVGElement::EnumInfo SVGFEMorphologyElement::sEnumInfo[1] =
+{
+  { &nsGkAtoms::_operator,
+    sOperatorMap,
+    SVG_OPERATOR_ERODE
+  }
+};
+
+nsSVGElement::StringInfo SVGFEMorphologyElement::sStringInfo[2] =
+{
+  { &nsGkAtoms::result, kNameSpaceID_None, true },
+  { &nsGkAtoms::in, kNameSpaceID_None, true }
+};
+
+//----------------------------------------------------------------------
+// nsIDOMNode methods
+
+
+NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEMorphologyElement)
+
+
+//----------------------------------------------------------------------
+// SVGFEMorphologyElement methods
+
+already_AddRefed<SVGAnimatedString>
+SVGFEMorphologyElement::In1()
+{
+  return mStringAttributes[IN1].ToDOMAnimatedString(this);
+}
+
+already_AddRefed<SVGAnimatedEnumeration>
+SVGFEMorphologyElement::Operator()
+{
+  return mEnumAttributes[OPERATOR].ToDOMAnimatedEnum(this);
+}
+
+already_AddRefed<SVGAnimatedNumber>
+SVGFEMorphologyElement::RadiusX()
+{
+  return mNumberPairAttributes[RADIUS].ToDOMAnimatedNumber(nsSVGNumberPair::eFirst, this);
+}
+
+already_AddRefed<SVGAnimatedNumber>
+SVGFEMorphologyElement::RadiusY()
+{
+  return mNumberPairAttributes[RADIUS].ToDOMAnimatedNumber(nsSVGNumberPair::eSecond, this);
+}
+
+void
+SVGFEMorphologyElement::SetRadius(float rx, float ry)
+{
+  mNumberPairAttributes[RADIUS].SetBaseValues(rx, ry, this);
+}
+
+void
+SVGFEMorphologyElement::GetSourceImageNames(nsTArray<nsSVGStringInfo>& aSources)
+{
+  aSources.AppendElement(nsSVGStringInfo(&mStringAttributes[IN1], this));
+}
+
+#define MORPHOLOGY_EPSILON 0.0001
+
+void
+SVGFEMorphologyElement::GetRXY(int32_t *aRX, int32_t *aRY,
+                               const nsSVGFilterInstance& 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],
+                                                  nsSVGNumberPair::eFirst) -
+                     MORPHOLOGY_EPSILON);
+  *aRY = NSToIntCeil(aInstance.GetPrimitiveNumber(SVGContentUtils::Y,
+                                                  &mNumberPairAttributes[RADIUS],
+                                                  nsSVGNumberPair::eSecond) -
+                     MORPHOLOGY_EPSILON);
+}
+
+FilterPrimitiveDescription
+SVGFEMorphologyElement::GetPrimitiveDescription(nsSVGFilterInstance* aInstance,
+                                                const IntRect& aFilterSubregion,
+                                                const nsTArray<bool>& aInputsAreTainted,
+                                                nsTArray<RefPtr<SourceSurface>>& aInputImages)
+{
+  int32_t rx, ry;
+  GetRXY(&rx, &ry, *aInstance);
+  FilterPrimitiveDescription descr(PrimitiveType::Morphology);
+  descr.Attributes().Set(eMorphologyRadii, Size(rx, ry));
+  descr.Attributes().Set(eMorphologyOperator,
+                         (uint32_t)mEnumAttributes[OPERATOR].GetAnimValue());
+  return descr;
+}
+
+bool
+SVGFEMorphologyElement::AttributeAffectsRendering(int32_t aNameSpaceID,
+                                                  nsIAtom* aAttribute) const
+{
+  return SVGFEMorphologyElementBase::AttributeAffectsRendering(aNameSpaceID, aAttribute) ||
+         (aNameSpaceID == kNameSpaceID_None &&
+          (aAttribute == nsGkAtoms::in ||
+           aAttribute == nsGkAtoms::radius ||
+           aAttribute == nsGkAtoms::_operator));
+}
+
+//----------------------------------------------------------------------
+// nsSVGElement methods
+
+nsSVGElement::NumberPairAttributesInfo
+SVGFEMorphologyElement::GetNumberPairInfo()
+{
+  return NumberPairAttributesInfo(mNumberPairAttributes, sNumberPairInfo,
+                                  ArrayLength(sNumberPairInfo));
+}
+
+nsSVGElement::EnumAttributesInfo
+SVGFEMorphologyElement::GetEnumInfo()
+{
+  return EnumAttributesInfo(mEnumAttributes, sEnumInfo,
+                            ArrayLength(sEnumInfo));
+}
+
+nsSVGElement::StringAttributesInfo
+SVGFEMorphologyElement::GetStringInfo()
+{
+  return StringAttributesInfo(mStringAttributes, sStringInfo,
+                              ArrayLength(sStringInfo));
+}
+
+} // namespace dom
+} // namespace mozilla