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-rw-r--r--dom/svg/SVGFEConvolveMatrixElement.cpp278
1 files changed, 278 insertions, 0 deletions
diff --git a/dom/svg/SVGFEConvolveMatrixElement.cpp b/dom/svg/SVGFEConvolveMatrixElement.cpp
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+++ b/dom/svg/SVGFEConvolveMatrixElement.cpp
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+/* -*- 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/SVGFEConvolveMatrixElement.h"
+#include "mozilla/dom/SVGFEConvolveMatrixElementBinding.h"
+#include "mozilla/SVGFilterInstance.h"
+#include "mozilla/SVGUtils.h"
+#include "mozilla/UniquePtr.h"
+#include "mozilla/UniquePtrExtensions.h"
+#include "DOMSVGAnimatedNumberList.h"
+#include "mozilla/dom/Document.h"
+#include "mozilla/dom/BindContext.h"
+
+NS_IMPL_NS_NEW_SVG_ELEMENT(FEConvolveMatrix)
+
+using namespace mozilla::gfx;
+
+namespace mozilla::dom {
+
+JSObject* SVGFEConvolveMatrixElement::WrapNode(
+ JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
+ return SVGFEConvolveMatrixElement_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+SVGElement::NumberInfo SVGFEConvolveMatrixElement::sNumberInfo[2] = {
+ {nsGkAtoms::divisor, 1, false}, {nsGkAtoms::bias, 0, false}};
+
+SVGElement::NumberPairInfo SVGFEConvolveMatrixElement::sNumberPairInfo[1] = {
+ {nsGkAtoms::kernelUnitLength, 0, 0}};
+
+SVGElement::IntegerInfo SVGFEConvolveMatrixElement::sIntegerInfo[2] = {
+ {nsGkAtoms::targetX, 0}, {nsGkAtoms::targetY, 0}};
+
+SVGElement::IntegerPairInfo SVGFEConvolveMatrixElement::sIntegerPairInfo[1] = {
+ {nsGkAtoms::order, 3, 3}};
+
+SVGElement::BooleanInfo SVGFEConvolveMatrixElement::sBooleanInfo[1] = {
+ {nsGkAtoms::preserveAlpha, false}};
+
+SVGEnumMapping SVGFEConvolveMatrixElement::sEdgeModeMap[] = {
+ {nsGkAtoms::duplicate, SVG_EDGEMODE_DUPLICATE},
+ {nsGkAtoms::wrap, SVG_EDGEMODE_WRAP},
+ {nsGkAtoms::none, SVG_EDGEMODE_NONE},
+ {nullptr, 0}};
+
+SVGElement::EnumInfo SVGFEConvolveMatrixElement::sEnumInfo[1] = {
+ {nsGkAtoms::edgeMode, sEdgeModeMap, SVG_EDGEMODE_DUPLICATE}};
+
+SVGElement::StringInfo SVGFEConvolveMatrixElement::sStringInfo[2] = {
+ {nsGkAtoms::result, kNameSpaceID_None, true},
+ {nsGkAtoms::in, kNameSpaceID_None, true}};
+
+SVGElement::NumberListInfo SVGFEConvolveMatrixElement::sNumberListInfo[1] = {
+ {nsGkAtoms::kernelMatrix}};
+
+//----------------------------------------------------------------------
+// nsINode methods
+
+NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEConvolveMatrixElement)
+
+//----------------------------------------------------------------------
+
+already_AddRefed<DOMSVGAnimatedString> SVGFEConvolveMatrixElement::In1() {
+ return mStringAttributes[IN1].ToDOMAnimatedString(this);
+}
+
+already_AddRefed<DOMSVGAnimatedInteger> SVGFEConvolveMatrixElement::OrderX() {
+ return mIntegerPairAttributes[ORDER].ToDOMAnimatedInteger(
+ SVGAnimatedIntegerPair::eFirst, this);
+}
+
+already_AddRefed<DOMSVGAnimatedInteger> SVGFEConvolveMatrixElement::OrderY() {
+ return mIntegerPairAttributes[ORDER].ToDOMAnimatedInteger(
+ SVGAnimatedIntegerPair::eSecond, this);
+}
+
+already_AddRefed<DOMSVGAnimatedNumberList>
+SVGFEConvolveMatrixElement::KernelMatrix() {
+ return DOMSVGAnimatedNumberList::GetDOMWrapper(
+ &mNumberListAttributes[KERNELMATRIX], this, KERNELMATRIX);
+}
+
+already_AddRefed<DOMSVGAnimatedInteger> SVGFEConvolveMatrixElement::TargetX() {
+ return mIntegerAttributes[TARGET_X].ToDOMAnimatedInteger(this);
+}
+
+already_AddRefed<DOMSVGAnimatedInteger> SVGFEConvolveMatrixElement::TargetY() {
+ return mIntegerAttributes[TARGET_Y].ToDOMAnimatedInteger(this);
+}
+
+already_AddRefed<DOMSVGAnimatedEnumeration>
+SVGFEConvolveMatrixElement::EdgeMode() {
+ return mEnumAttributes[EDGEMODE].ToDOMAnimatedEnum(this);
+}
+
+already_AddRefed<DOMSVGAnimatedBoolean>
+SVGFEConvolveMatrixElement::PreserveAlpha() {
+ return mBooleanAttributes[PRESERVEALPHA].ToDOMAnimatedBoolean(this);
+}
+
+already_AddRefed<DOMSVGAnimatedNumber> SVGFEConvolveMatrixElement::Divisor() {
+ return mNumberAttributes[DIVISOR].ToDOMAnimatedNumber(this);
+}
+
+already_AddRefed<DOMSVGAnimatedNumber> SVGFEConvolveMatrixElement::Bias() {
+ return mNumberAttributes[BIAS].ToDOMAnimatedNumber(this);
+}
+
+already_AddRefed<DOMSVGAnimatedNumber>
+SVGFEConvolveMatrixElement::KernelUnitLengthX() {
+ return mNumberPairAttributes[KERNEL_UNIT_LENGTH].ToDOMAnimatedNumber(
+ SVGAnimatedNumberPair::eFirst, this);
+}
+
+already_AddRefed<DOMSVGAnimatedNumber>
+SVGFEConvolveMatrixElement::KernelUnitLengthY() {
+ return mNumberPairAttributes[KERNEL_UNIT_LENGTH].ToDOMAnimatedNumber(
+ SVGAnimatedNumberPair::eSecond, this);
+}
+
+void SVGFEConvolveMatrixElement::GetSourceImageNames(
+ nsTArray<SVGStringInfo>& aSources) {
+ aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN1], this));
+}
+
+FilterPrimitiveDescription SVGFEConvolveMatrixElement::GetPrimitiveDescription(
+ SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
+ const nsTArray<bool>& aInputsAreTainted,
+ nsTArray<RefPtr<SourceSurface>>& aInputImages) {
+ FilterPrimitiveDescription failureDescription;
+
+ const SVGNumberList& kernelMatrix =
+ mNumberListAttributes[KERNELMATRIX].GetAnimValue();
+ uint32_t kmLength = kernelMatrix.Length();
+
+ int32_t orderX = mIntegerPairAttributes[ORDER].GetAnimValue(
+ SVGAnimatedIntegerPair::eFirst);
+ int32_t orderY = mIntegerPairAttributes[ORDER].GetAnimValue(
+ SVGAnimatedIntegerPair::eSecond);
+
+ if (orderX <= 0 || orderY <= 0 ||
+ static_cast<uint32_t>(orderX * orderY) != kmLength) {
+ return failureDescription;
+ }
+
+ int32_t targetX, targetY;
+ GetAnimatedIntegerValues(&targetX, &targetY, nullptr);
+
+ if (mIntegerAttributes[TARGET_X].IsExplicitlySet()) {
+ if (targetX < 0 || targetX >= orderX) return failureDescription;
+ } else {
+ targetX = orderX / 2;
+ }
+ if (mIntegerAttributes[TARGET_Y].IsExplicitlySet()) {
+ if (targetY < 0 || targetY >= orderY) return failureDescription;
+ } else {
+ targetY = orderY / 2;
+ }
+
+ if (orderX > NS_SVG_OFFSCREEN_MAX_DIMENSION ||
+ orderY > NS_SVG_OFFSCREEN_MAX_DIMENSION)
+ return failureDescription;
+ UniquePtr<float[]> kernel = MakeUniqueFallible<float[]>(orderX * orderY);
+ if (!kernel) return failureDescription;
+ for (uint32_t i = 0; i < kmLength; i++) {
+ kernel[kmLength - 1 - i] = kernelMatrix[i];
+ }
+
+ float divisor;
+ if (mNumberAttributes[DIVISOR].IsExplicitlySet()) {
+ divisor = mNumberAttributes[DIVISOR].GetAnimValue();
+ if (divisor == 0) return failureDescription;
+ } else {
+ divisor = kernel[0];
+ for (uint32_t i = 1; i < kmLength; i++) divisor += kernel[i];
+ if (divisor == 0) divisor = 1;
+ }
+
+ uint32_t edgeMode = mEnumAttributes[EDGEMODE].GetAnimValue();
+ bool preserveAlpha = mBooleanAttributes[PRESERVEALPHA].GetAnimValue();
+ float bias = mNumberAttributes[BIAS].GetAnimValue();
+
+ Size kernelUnitLength = GetKernelUnitLength(
+ aInstance, &mNumberPairAttributes[KERNEL_UNIT_LENGTH]);
+
+ if (kernelUnitLength.width <= 0 || kernelUnitLength.height <= 0) {
+ // According to spec, A negative or zero value is an error. See link below
+ // for details.
+ // https://www.w3.org/TR/SVG/filters.html#feConvolveMatrixElementKernelUnitLengthAttribute
+ return failureDescription;
+ }
+
+ ConvolveMatrixAttributes atts;
+ atts.mKernelSize = IntSize(orderX, orderY);
+ atts.mKernelMatrix.AppendElements(&kernelMatrix[0], kmLength);
+ atts.mDivisor = divisor;
+ atts.mBias = bias;
+ atts.mTarget = IntPoint(targetX, targetY);
+ atts.mEdgeMode = edgeMode;
+ atts.mKernelUnitLength = kernelUnitLength;
+ atts.mPreserveAlpha = preserveAlpha;
+
+ return FilterPrimitiveDescription(AsVariant(std::move(atts)));
+}
+
+bool SVGFEConvolveMatrixElement::AttributeAffectsRendering(
+ int32_t aNameSpaceID, nsAtom* aAttribute) const {
+ return SVGFEConvolveMatrixElementBase::AttributeAffectsRendering(
+ aNameSpaceID, aAttribute) ||
+ (aNameSpaceID == kNameSpaceID_None &&
+ (aAttribute == nsGkAtoms::in || aAttribute == nsGkAtoms::divisor ||
+ aAttribute == nsGkAtoms::bias ||
+ aAttribute == nsGkAtoms::kernelUnitLength ||
+ aAttribute == nsGkAtoms::targetX ||
+ aAttribute == nsGkAtoms::targetY || aAttribute == nsGkAtoms::order ||
+ aAttribute == nsGkAtoms::preserveAlpha ||
+ aAttribute == nsGkAtoms::edgeMode ||
+ aAttribute == nsGkAtoms::kernelMatrix));
+}
+
+nsresult SVGFEConvolveMatrixElement::BindToTree(BindContext& aCtx,
+ nsINode& aParent) {
+ if (aCtx.InComposedDoc()) {
+ aCtx.OwnerDoc().SetUseCounter(eUseCounter_custom_feConvolveMatrix);
+ }
+
+ return SVGFE::BindToTree(aCtx, aParent);
+}
+
+//----------------------------------------------------------------------
+// SVGElement methods
+
+SVGElement::NumberAttributesInfo SVGFEConvolveMatrixElement::GetNumberInfo() {
+ return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
+ ArrayLength(sNumberInfo));
+}
+
+SVGElement::NumberPairAttributesInfo
+SVGFEConvolveMatrixElement::GetNumberPairInfo() {
+ return NumberPairAttributesInfo(mNumberPairAttributes, sNumberPairInfo,
+ ArrayLength(sNumberPairInfo));
+}
+
+SVGElement::IntegerAttributesInfo SVGFEConvolveMatrixElement::GetIntegerInfo() {
+ return IntegerAttributesInfo(mIntegerAttributes, sIntegerInfo,
+ ArrayLength(sIntegerInfo));
+}
+
+SVGElement::IntegerPairAttributesInfo
+SVGFEConvolveMatrixElement::GetIntegerPairInfo() {
+ return IntegerPairAttributesInfo(mIntegerPairAttributes, sIntegerPairInfo,
+ ArrayLength(sIntegerPairInfo));
+}
+
+SVGElement::BooleanAttributesInfo SVGFEConvolveMatrixElement::GetBooleanInfo() {
+ return BooleanAttributesInfo(mBooleanAttributes, sBooleanInfo,
+ ArrayLength(sBooleanInfo));
+}
+
+SVGElement::EnumAttributesInfo SVGFEConvolveMatrixElement::GetEnumInfo() {
+ return EnumAttributesInfo(mEnumAttributes, sEnumInfo, ArrayLength(sEnumInfo));
+}
+
+SVGElement::StringAttributesInfo SVGFEConvolveMatrixElement::GetStringInfo() {
+ return StringAttributesInfo(mStringAttributes, sStringInfo,
+ ArrayLength(sStringInfo));
+}
+
+SVGElement::NumberListAttributesInfo
+SVGFEConvolveMatrixElement::GetNumberListInfo() {
+ return NumberListAttributesInfo(mNumberListAttributes, sNumberListInfo,
+ ArrayLength(sNumberListInfo));
+}
+
+} // namespace mozilla::dom