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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/SVGFEDropShadowElement.h"
#include "mozilla/dom/SVGFEDropShadowElementBinding.h"
#include "nsIFrame.h"
#include "nsSVGFilterInstance.h"
NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(FEDropShadow)
using namespace mozilla::gfx;
namespace mozilla {
namespace dom {
JSObject*
SVGFEDropShadowElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return SVGFEDropShadowElementBinding::Wrap(aCx, this, aGivenProto);
}
nsSVGElement::NumberInfo SVGFEDropShadowElement::sNumberInfo[2] =
{
{ &nsGkAtoms::dx, 2, false },
{ &nsGkAtoms::dy, 2, false }
};
nsSVGElement::NumberPairInfo SVGFEDropShadowElement::sNumberPairInfo[1] =
{
{ &nsGkAtoms::stdDeviation, 2, 2 }
};
nsSVGElement::StringInfo SVGFEDropShadowElement::sStringInfo[2] =
{
{ &nsGkAtoms::result, kNameSpaceID_None, true },
{ &nsGkAtoms::in, kNameSpaceID_None, true }
};
//----------------------------------------------------------------------
// nsIDOMNode methods
NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEDropShadowElement)
//----------------------------------------------------------------------
already_AddRefed<SVGAnimatedString>
SVGFEDropShadowElement::In1()
{
return mStringAttributes[IN1].ToDOMAnimatedString(this);
}
already_AddRefed<SVGAnimatedNumber>
SVGFEDropShadowElement::Dx()
{
return mNumberAttributes[DX].ToDOMAnimatedNumber(this);
}
already_AddRefed<SVGAnimatedNumber>
SVGFEDropShadowElement::Dy()
{
return mNumberAttributes[DY].ToDOMAnimatedNumber(this);
}
already_AddRefed<SVGAnimatedNumber>
SVGFEDropShadowElement::StdDeviationX()
{
return mNumberPairAttributes[STD_DEV].ToDOMAnimatedNumber(nsSVGNumberPair::eFirst, this);
}
already_AddRefed<SVGAnimatedNumber>
SVGFEDropShadowElement::StdDeviationY()
{
return mNumberPairAttributes[STD_DEV].ToDOMAnimatedNumber(nsSVGNumberPair::eSecond, this);
}
void
SVGFEDropShadowElement::SetStdDeviation(float stdDeviationX, float stdDeviationY)
{
mNumberPairAttributes[STD_DEV].SetBaseValues(stdDeviationX, stdDeviationY, this);
}
FilterPrimitiveDescription
SVGFEDropShadowElement::GetPrimitiveDescription(nsSVGFilterInstance* aInstance,
const IntRect& aFilterSubregion,
const nsTArray<bool>& aInputsAreTainted,
nsTArray<RefPtr<SourceSurface>>& aInputImages)
{
float stdX = aInstance->GetPrimitiveNumber(SVGContentUtils::X,
&mNumberPairAttributes[STD_DEV],
nsSVGNumberPair::eFirst);
float stdY = aInstance->GetPrimitiveNumber(SVGContentUtils::Y,
&mNumberPairAttributes[STD_DEV],
nsSVGNumberPair::eSecond);
if (stdX < 0 || stdY < 0) {
return FilterPrimitiveDescription(PrimitiveType::Empty);
}
IntPoint offset(int32_t(aInstance->GetPrimitiveNumber(
SVGContentUtils::X, &mNumberAttributes[DX])),
int32_t(aInstance->GetPrimitiveNumber(
SVGContentUtils::Y, &mNumberAttributes[DY])));
FilterPrimitiveDescription descr(PrimitiveType::DropShadow);
descr.Attributes().Set(eDropShadowStdDeviation, Size(stdX, stdY));
descr.Attributes().Set(eDropShadowOffset, offset);
nsIFrame* frame = GetPrimaryFrame();
if (frame) {
nsStyleContext* style = frame->StyleContext();
Color color(Color::FromABGR(style->StyleSVGReset()->mFloodColor));
color.a *= style->StyleSVGReset()->mFloodOpacity;
descr.Attributes().Set(eDropShadowColor, color);
} else {
descr.Attributes().Set(eDropShadowColor, Color());
}
return descr;
}
bool
SVGFEDropShadowElement::AttributeAffectsRendering(int32_t aNameSpaceID,
nsIAtom* aAttribute) const
{
return SVGFEDropShadowElementBase::AttributeAffectsRendering(aNameSpaceID, aAttribute) ||
(aNameSpaceID == kNameSpaceID_None &&
(aAttribute == nsGkAtoms::in ||
aAttribute == nsGkAtoms::stdDeviation ||
aAttribute == nsGkAtoms::dx ||
aAttribute == nsGkAtoms::dy));
}
void
SVGFEDropShadowElement::GetSourceImageNames(nsTArray<nsSVGStringInfo>& aSources)
{
aSources.AppendElement(nsSVGStringInfo(&mStringAttributes[IN1], this));
}
//----------------------------------------------------------------------
// nsIContent methods
NS_IMETHODIMP_(bool)
SVGFEDropShadowElement::IsAttributeMapped(const nsIAtom* name) const
{
static const MappedAttributeEntry* const map[] = {
sFEFloodMap
};
return FindAttributeDependence(name, map) ||
SVGFEDropShadowElementBase::IsAttributeMapped(name);
}
//----------------------------------------------------------------------
// nsSVGElement methods
nsSVGElement::NumberAttributesInfo
SVGFEDropShadowElement::GetNumberInfo()
{
return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
ArrayLength(sNumberInfo));
}
nsSVGElement::NumberPairAttributesInfo
SVGFEDropShadowElement::GetNumberPairInfo()
{
return NumberPairAttributesInfo(mNumberPairAttributes, sNumberPairInfo,
ArrayLength(sNumberPairInfo));
}
nsSVGElement::StringAttributesInfo
SVGFEDropShadowElement::GetStringInfo()
{
return StringAttributesInfo(mStringAttributes, sStringInfo,
ArrayLength(sStringInfo));
}
} // namespace dom
} // namespace mozilla
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