Source code
Revision control
Copy as Markdown
Other Tools
/* -*- 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
#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"
#include <numeric>
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}, {nsGkAtoms::bias, 0}};
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;
float divisor;
if (mNumberAttributes[DIVISOR].IsExplicitlySet()) {
divisor = mNumberAttributes[DIVISOR].GetAnimValue();
if (divisor == 0) return failureDescription;
} else {
divisor = std::accumulate(kernelMatrix.begin(), kernelMatrix.end(), 0.0f);
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.
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 SVGFEConvolveMatrixElementBase::BindToTree(aCtx, aParent);
}
//----------------------------------------------------------------------
// SVGElement methods
SVGElement::NumberAttributesInfo SVGFEConvolveMatrixElement::GetNumberInfo() {
return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
std::size(sNumberInfo));
}
SVGElement::NumberPairAttributesInfo
SVGFEConvolveMatrixElement::GetNumberPairInfo() {
return NumberPairAttributesInfo(mNumberPairAttributes, sNumberPairInfo,
std::size(sNumberPairInfo));
}
SVGElement::IntegerAttributesInfo SVGFEConvolveMatrixElement::GetIntegerInfo() {
return IntegerAttributesInfo(mIntegerAttributes, sIntegerInfo,
std::size(sIntegerInfo));
}
SVGElement::IntegerPairAttributesInfo
SVGFEConvolveMatrixElement::GetIntegerPairInfo() {
return IntegerPairAttributesInfo(mIntegerPairAttributes, sIntegerPairInfo,
std::size(sIntegerPairInfo));
}
SVGElement::BooleanAttributesInfo SVGFEConvolveMatrixElement::GetBooleanInfo() {
return BooleanAttributesInfo(mBooleanAttributes, sBooleanInfo,
std::size(sBooleanInfo));
}
SVGElement::EnumAttributesInfo SVGFEConvolveMatrixElement::GetEnumInfo() {
return EnumAttributesInfo(mEnumAttributes, sEnumInfo, std::size(sEnumInfo));
}
SVGElement::StringAttributesInfo SVGFEConvolveMatrixElement::GetStringInfo() {
return StringAttributesInfo(mStringAttributes, sStringInfo,
std::size(sStringInfo));
}
SVGElement::NumberListAttributesInfo
SVGFEConvolveMatrixElement::GetNumberListInfo() {
return NumberListAttributesInfo(mNumberListAttributes, sNumberListInfo,
std::size(sNumberListInfo));
}
} // namespace mozilla::dom