/* -*- 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/SVGFETurbulenceElement.h" #include "mozilla/dom/SVGFETurbulenceElementBinding.h" #include "nsSVGFilterInstance.h" #include "nsSVGUtils.h" NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(FETurbulence) using namespace mozilla::gfx; namespace mozilla { namespace dom { // Stitch Options static const unsigned short SVG_STITCHTYPE_STITCH = 1; static const unsigned short SVG_STITCHTYPE_NOSTITCH = 2; static const int32_t MAX_OCTAVES = 10; JSObject* SVGFETurbulenceElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) { return SVGFETurbulenceElementBinding::Wrap(aCx, this, aGivenProto); } nsSVGElement::NumberInfo SVGFETurbulenceElement::sNumberInfo[1] = { { &nsGkAtoms::seed, 0, false } }; nsSVGElement::NumberPairInfo SVGFETurbulenceElement::sNumberPairInfo[1] = { { &nsGkAtoms::baseFrequency, 0, 0 } }; nsSVGElement::IntegerInfo SVGFETurbulenceElement::sIntegerInfo[1] = { { &nsGkAtoms::numOctaves, 1 } }; nsSVGEnumMapping SVGFETurbulenceElement::sTypeMap[] = { {&nsGkAtoms::fractalNoise, SVG_TURBULENCE_TYPE_FRACTALNOISE}, {&nsGkAtoms::turbulence, SVG_TURBULENCE_TYPE_TURBULENCE}, {nullptr, 0} }; nsSVGEnumMapping SVGFETurbulenceElement::sStitchTilesMap[] = { {&nsGkAtoms::stitch, SVG_STITCHTYPE_STITCH}, {&nsGkAtoms::noStitch, SVG_STITCHTYPE_NOSTITCH}, {nullptr, 0} }; nsSVGElement::EnumInfo SVGFETurbulenceElement::sEnumInfo[2] = { { &nsGkAtoms::type, sTypeMap, SVG_TURBULENCE_TYPE_TURBULENCE }, { &nsGkAtoms::stitchTiles, sStitchTilesMap, SVG_STITCHTYPE_NOSTITCH } }; nsSVGElement::StringInfo SVGFETurbulenceElement::sStringInfo[1] = { { &nsGkAtoms::result, kNameSpaceID_None, true } }; //---------------------------------------------------------------------- // nsIDOMNode methods NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFETurbulenceElement) //---------------------------------------------------------------------- already_AddRefed<SVGAnimatedNumber> SVGFETurbulenceElement::BaseFrequencyX() { return mNumberPairAttributes[BASE_FREQ].ToDOMAnimatedNumber(nsSVGNumberPair::eFirst, this); } already_AddRefed<SVGAnimatedNumber> SVGFETurbulenceElement::BaseFrequencyY() { return mNumberPairAttributes[BASE_FREQ].ToDOMAnimatedNumber(nsSVGNumberPair::eSecond, this); } already_AddRefed<SVGAnimatedInteger> SVGFETurbulenceElement::NumOctaves() { return mIntegerAttributes[OCTAVES].ToDOMAnimatedInteger(this); } already_AddRefed<SVGAnimatedNumber> SVGFETurbulenceElement::Seed() { return mNumberAttributes[SEED].ToDOMAnimatedNumber(this); } already_AddRefed<SVGAnimatedEnumeration> SVGFETurbulenceElement::StitchTiles() { return mEnumAttributes[STITCHTILES].ToDOMAnimatedEnum(this); } already_AddRefed<SVGAnimatedEnumeration> SVGFETurbulenceElement::Type() { return mEnumAttributes[TYPE].ToDOMAnimatedEnum(this); } FilterPrimitiveDescription SVGFETurbulenceElement::GetPrimitiveDescription(nsSVGFilterInstance* aInstance, const IntRect& aFilterSubregion, const nsTArray<bool>& aInputsAreTainted, nsTArray<RefPtr<SourceSurface>>& aInputImages) { float fX = mNumberPairAttributes[BASE_FREQ].GetAnimValue(nsSVGNumberPair::eFirst); float fY = mNumberPairAttributes[BASE_FREQ].GetAnimValue(nsSVGNumberPair::eSecond); float seed = mNumberAttributes[OCTAVES].GetAnimValue(); uint32_t octaves = clamped(mIntegerAttributes[OCTAVES].GetAnimValue(), 0, MAX_OCTAVES); uint32_t type = mEnumAttributes[TYPE].GetAnimValue(); uint16_t stitch = mEnumAttributes[STITCHTILES].GetAnimValue(); if (fX == 0 || fY == 0) { return FilterPrimitiveDescription(PrimitiveType::Empty); } // We interpret the base frequency as relative to user space units. In other // words, we consider one turbulence base period to be 1 / fX user space // units wide and 1 / fY user space units high. We do not scale the frequency // depending on the filter primitive region. gfxRect firstPeriodInUserSpace(0, 0, 1 / fX, 1 / fY); gfxRect firstPeriodInFilterSpace = aInstance->UserSpaceToFilterSpace(firstPeriodInUserSpace); Size frequencyInFilterSpace(1 / firstPeriodInFilterSpace.width, 1 / firstPeriodInFilterSpace.height); gfxPoint offset = firstPeriodInFilterSpace.TopLeft(); FilterPrimitiveDescription descr(PrimitiveType::Turbulence); descr.Attributes().Set(eTurbulenceOffset, IntPoint::Truncate(offset.x, offset.y)); descr.Attributes().Set(eTurbulenceBaseFrequency, frequencyInFilterSpace); descr.Attributes().Set(eTurbulenceSeed, seed); descr.Attributes().Set(eTurbulenceNumOctaves, octaves); descr.Attributes().Set(eTurbulenceStitchable, stitch == SVG_STITCHTYPE_STITCH); descr.Attributes().Set(eTurbulenceType, type); return descr; } bool SVGFETurbulenceElement::AttributeAffectsRendering(int32_t aNameSpaceID, nsIAtom* aAttribute) const { return SVGFETurbulenceElementBase::AttributeAffectsRendering(aNameSpaceID, aAttribute) || (aNameSpaceID == kNameSpaceID_None && (aAttribute == nsGkAtoms::seed || aAttribute == nsGkAtoms::baseFrequency || aAttribute == nsGkAtoms::numOctaves || aAttribute == nsGkAtoms::type || aAttribute == nsGkAtoms::stitchTiles)); } //---------------------------------------------------------------------- // nsSVGElement methods nsSVGElement::NumberAttributesInfo SVGFETurbulenceElement::GetNumberInfo() { return NumberAttributesInfo(mNumberAttributes, sNumberInfo, ArrayLength(sNumberInfo)); } nsSVGElement::NumberPairAttributesInfo SVGFETurbulenceElement::GetNumberPairInfo() { return NumberPairAttributesInfo(mNumberPairAttributes, sNumberPairInfo, ArrayLength(sNumberPairInfo)); } nsSVGElement::IntegerAttributesInfo SVGFETurbulenceElement::GetIntegerInfo() { return IntegerAttributesInfo(mIntegerAttributes, sIntegerInfo, ArrayLength(sIntegerInfo)); } nsSVGElement::EnumAttributesInfo SVGFETurbulenceElement::GetEnumInfo() { return EnumAttributesInfo(mEnumAttributes, sEnumInfo, ArrayLength(sEnumInfo)); } nsSVGElement::StringAttributesInfo SVGFETurbulenceElement::GetStringInfo() { return StringAttributesInfo(mStringAttributes, sStringInfo, ArrayLength(sStringInfo)); } } // namespace dom } // namespace mozilla