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Diffstat (limited to '')
| -rw-r--r-- | dom/svg/SVGFEConvolveMatrixElement.cpp | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/dom/svg/SVGFEConvolveMatrixElement.cpp b/dom/svg/SVGFEConvolveMatrixElement.cpp new file mode 100644 index 0000000000..38738c490b --- /dev/null +++ b/dom/svg/SVGFEConvolveMatrixElement.cpp @@ -0,0 +1,269 @@ +/* -*- 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" + +NS_IMPL_NS_NEW_SVG_ELEMENT(FEConvolveMatrix) + +using namespace mozilla::gfx; + +namespace mozilla { +namespace 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)); +} + +//---------------------------------------------------------------------- +// 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 dom +} // namespace mozilla |