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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 "nsSVGFilterInstance.h"
#include "nsSVGUtils.h"
NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(FEDisplacementMap)
using namespace mozilla::gfx;
namespace mozilla {
namespace dom {
JSObject*
SVGFEDisplacementMapElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return SVGFEDisplacementMapElementBinding::Wrap(aCx, this, aGivenProto);
}
nsSVGElement::NumberInfo SVGFEDisplacementMapElement::sNumberInfo[1] =
{
{ &nsGkAtoms::scale, 0, false },
};
nsSVGEnumMapping SVGFEDisplacementMapElement::sChannelMap[] = {
{&nsGkAtoms::R, SVG_CHANNEL_R},
{&nsGkAtoms::G, SVG_CHANNEL_G},
{&nsGkAtoms::B, SVG_CHANNEL_B},
{&nsGkAtoms::A, SVG_CHANNEL_A},
{nullptr, 0}
};
nsSVGElement::EnumInfo SVGFEDisplacementMapElement::sEnumInfo[2] =
{
{ &nsGkAtoms::xChannelSelector,
sChannelMap,
SVG_CHANNEL_A
},
{ &nsGkAtoms::yChannelSelector,
sChannelMap,
SVG_CHANNEL_A
}
};
nsSVGElement::StringInfo SVGFEDisplacementMapElement::sStringInfo[3] =
{
{ &nsGkAtoms::result, kNameSpaceID_None, true },
{ &nsGkAtoms::in, kNameSpaceID_None, true },
{ &nsGkAtoms::in2, kNameSpaceID_None, true }
};
//----------------------------------------------------------------------
// nsIDOMNode methods
NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEDisplacementMapElement)
//----------------------------------------------------------------------
already_AddRefed<SVGAnimatedString>
SVGFEDisplacementMapElement::In1()
{
return mStringAttributes[IN1].ToDOMAnimatedString(this);
}
already_AddRefed<SVGAnimatedString>
SVGFEDisplacementMapElement::In2()
{
return mStringAttributes[IN2].ToDOMAnimatedString(this);
}
already_AddRefed<SVGAnimatedNumber>
SVGFEDisplacementMapElement::Scale()
{
return mNumberAttributes[SCALE].ToDOMAnimatedNumber(this);
}
already_AddRefed<SVGAnimatedEnumeration>
SVGFEDisplacementMapElement::XChannelSelector()
{
return mEnumAttributes[CHANNEL_X].ToDOMAnimatedEnum(this);
}
already_AddRefed<SVGAnimatedEnumeration>
SVGFEDisplacementMapElement::YChannelSelector()
{
return mEnumAttributes[CHANNEL_Y].ToDOMAnimatedEnum(this);
}
FilterPrimitiveDescription
SVGFEDisplacementMapElement::GetPrimitiveDescription(nsSVGFilterInstance* 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.
FilterPrimitiveDescription descr(PrimitiveType::Offset);
descr.Attributes().Set(eOffsetOffset, IntPoint(0, 0));
return descr;
}
float scale = aInstance->GetPrimitiveNumber(SVGContentUtils::XY,
&mNumberAttributes[SCALE]);
uint32_t xChannel = mEnumAttributes[CHANNEL_X].GetAnimValue();
uint32_t yChannel = mEnumAttributes[CHANNEL_Y].GetAnimValue();
FilterPrimitiveDescription descr(PrimitiveType::DisplacementMap);
descr.Attributes().Set(eDisplacementMapScale, scale);
descr.Attributes().Set(eDisplacementMapXChannel, xChannel);
descr.Attributes().Set(eDisplacementMapYChannel, yChannel);
return descr;
}
bool
SVGFEDisplacementMapElement::AttributeAffectsRendering(int32_t aNameSpaceID,
nsIAtom* 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<nsSVGStringInfo>& aSources)
{
aSources.AppendElement(nsSVGStringInfo(&mStringAttributes[IN1], this));
aSources.AppendElement(nsSVGStringInfo(&mStringAttributes[IN2], this));
}
//----------------------------------------------------------------------
// nsSVGElement methods
nsSVGElement::NumberAttributesInfo
SVGFEDisplacementMapElement::GetNumberInfo()
{
return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
ArrayLength(sNumberInfo));
}
nsSVGElement::EnumAttributesInfo
SVGFEDisplacementMapElement::GetEnumInfo()
{
return EnumAttributesInfo(mEnumAttributes, sEnumInfo,
ArrayLength(sEnumInfo));
}
nsSVGElement::StringAttributesInfo
SVGFEDisplacementMapElement::GetStringInfo()
{
return StringAttributesInfo(mStringAttributes, sStringInfo,
ArrayLength(sStringInfo));
}
} // namespace dom
} // namespace mozilla
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