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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/SVGFEDisplacementMapElement.h"
#include "mozilla/dom/SVGFEDisplacementMapElementBinding.h"
#include "mozilla/SVGFilterInstance.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/BindContext.h"
NS_IMPL_NS_NEW_SVG_ELEMENT(FEDisplacementMap)
using namespace mozilla::gfx;
namespace mozilla::dom {
JSObject* SVGFEDisplacementMapElement::WrapNode(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return SVGFEDisplacementMapElement_Binding::Wrap(aCx, this, aGivenProto);
}
SVGElement::NumberInfo SVGFEDisplacementMapElement::sNumberInfo[1] = {
{nsGkAtoms::scale, 0, false},
};
SVGEnumMapping SVGFEDisplacementMapElement::sChannelMap[] = {
{nsGkAtoms::R, SVG_CHANNEL_R},
{nsGkAtoms::G, SVG_CHANNEL_G},
{nsGkAtoms::B, SVG_CHANNEL_B},
{nsGkAtoms::A, SVG_CHANNEL_A},
{nullptr, 0}};
SVGElement::EnumInfo SVGFEDisplacementMapElement::sEnumInfo[2] = {
{nsGkAtoms::xChannelSelector, sChannelMap, SVG_CHANNEL_A},
{nsGkAtoms::yChannelSelector, sChannelMap, SVG_CHANNEL_A}};
SVGElement::StringInfo SVGFEDisplacementMapElement::sStringInfo[3] = {
{nsGkAtoms::result, kNameSpaceID_None, true},
{nsGkAtoms::in, kNameSpaceID_None, true},
{nsGkAtoms::in2, kNameSpaceID_None, true}};
//----------------------------------------------------------------------
// nsINode methods
NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEDisplacementMapElement)
//----------------------------------------------------------------------
already_AddRefed<DOMSVGAnimatedString> SVGFEDisplacementMapElement::In1() {
return mStringAttributes[IN1].ToDOMAnimatedString(this);
}
already_AddRefed<DOMSVGAnimatedString> SVGFEDisplacementMapElement::In2() {
return mStringAttributes[IN2].ToDOMAnimatedString(this);
}
already_AddRefed<DOMSVGAnimatedNumber> SVGFEDisplacementMapElement::Scale() {
return mNumberAttributes[SCALE].ToDOMAnimatedNumber(this);
}
already_AddRefed<DOMSVGAnimatedEnumeration>
SVGFEDisplacementMapElement::XChannelSelector() {
return mEnumAttributes[CHANNEL_X].ToDOMAnimatedEnum(this);
}
already_AddRefed<DOMSVGAnimatedEnumeration>
SVGFEDisplacementMapElement::YChannelSelector() {
return mEnumAttributes[CHANNEL_Y].ToDOMAnimatedEnum(this);
}
FilterPrimitiveDescription SVGFEDisplacementMapElement::GetPrimitiveDescription(
SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
const nsTArray<bool>& aInputsAreTainted,
nsTArray<RefPtr<SourceSurface>>& aInputImages) {
if (aInputsAreTainted[1]) {
// If the map is tainted, refuse to apply the effect and act as a
// pass-through filter instead, as required by the spec.
OffsetAttributes atts;
atts.mValue = IntPoint(0, 0);
return FilterPrimitiveDescription(AsVariant(std::move(atts)));
}
float scale = aInstance->GetPrimitiveNumber(SVGContentUtils::XY,
&mNumberAttributes[SCALE]);
uint32_t xChannel = mEnumAttributes[CHANNEL_X].GetAnimValue();
uint32_t yChannel = mEnumAttributes[CHANNEL_Y].GetAnimValue();
DisplacementMapAttributes atts;
atts.mScale = scale;
atts.mXChannel = xChannel;
atts.mYChannel = yChannel;
return FilterPrimitiveDescription(AsVariant(std::move(atts)));
}
bool SVGFEDisplacementMapElement::AttributeAffectsRendering(
int32_t aNameSpaceID, nsAtom* aAttribute) const {
return SVGFEDisplacementMapElementBase::AttributeAffectsRendering(
aNameSpaceID, aAttribute) ||
(aNameSpaceID == kNameSpaceID_None &&
(aAttribute == nsGkAtoms::in || aAttribute == nsGkAtoms::in2 ||
aAttribute == nsGkAtoms::scale ||
aAttribute == nsGkAtoms::xChannelSelector ||
aAttribute == nsGkAtoms::yChannelSelector));
}
void SVGFEDisplacementMapElement::GetSourceImageNames(
nsTArray<SVGStringInfo>& aSources) {
aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN1], this));
aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN2], this));
}
nsresult SVGFEDisplacementMapElement::BindToTree(BindContext& aCtx,
nsINode& aParent) {
if (aCtx.InComposedDoc()) {
aCtx.OwnerDoc().SetUseCounter(eUseCounter_custom_feDisplacementMap);
}
return SVGFE::BindToTree(aCtx, aParent);
}
//----------------------------------------------------------------------
// SVGElement methods
SVGElement::NumberAttributesInfo SVGFEDisplacementMapElement::GetNumberInfo() {
return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
ArrayLength(sNumberInfo));
}
SVGElement::EnumAttributesInfo SVGFEDisplacementMapElement::GetEnumInfo() {
return EnumAttributesInfo(mEnumAttributes, sEnumInfo, ArrayLength(sEnumInfo));
}
SVGElement::StringAttributesInfo SVGFEDisplacementMapElement::GetStringInfo() {
return StringAttributesInfo(mStringAttributes, sStringInfo,
ArrayLength(sStringInfo));
}
} // namespace mozilla::dom
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