gecko-dev/dom/svg/SVGFEColorMatrixElement.cpp

156 строки
4.8 KiB
C++

/* a*- Mode: C++; tab-width: 2; 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 "DOMSVGAnimatedNumberList.h"
#include "mozilla/dom/SVGFEColorMatrixElement.h"
#include "mozilla/dom/SVGFEColorMatrixElementBinding.h"
#include "nsSVGUtils.h"
#define NUM_ENTRIES_IN_4x5_MATRIX 20
NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(FEColorMatrix)
using namespace mozilla::gfx;
namespace mozilla {
namespace dom {
JSObject*
SVGFEColorMatrixElement::WrapNode(JSContext* aCx)
{
return SVGFEColorMatrixElementBinding::Wrap(aCx, this);
}
nsSVGEnumMapping SVGFEColorMatrixElement::sTypeMap[] = {
{&nsGkAtoms::matrix, SVG_FECOLORMATRIX_TYPE_MATRIX},
{&nsGkAtoms::saturate, SVG_FECOLORMATRIX_TYPE_SATURATE},
{&nsGkAtoms::hueRotate, SVG_FECOLORMATRIX_TYPE_HUE_ROTATE},
{&nsGkAtoms::luminanceToAlpha, SVG_FECOLORMATRIX_TYPE_LUMINANCE_TO_ALPHA},
{nullptr, 0}
};
nsSVGElement::EnumInfo SVGFEColorMatrixElement::sEnumInfo[1] =
{
{ &nsGkAtoms::type,
sTypeMap,
SVG_FECOLORMATRIX_TYPE_MATRIX
}
};
nsSVGElement::StringInfo SVGFEColorMatrixElement::sStringInfo[2] =
{
{ &nsGkAtoms::result, kNameSpaceID_None, true },
{ &nsGkAtoms::in, kNameSpaceID_None, true }
};
nsSVGElement::NumberListInfo SVGFEColorMatrixElement::sNumberListInfo[1] =
{
{ &nsGkAtoms::values }
};
//----------------------------------------------------------------------
// nsIDOMNode methods
NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEColorMatrixElement)
//----------------------------------------------------------------------
already_AddRefed<SVGAnimatedString>
SVGFEColorMatrixElement::In1()
{
return mStringAttributes[IN1].ToDOMAnimatedString(this);
}
already_AddRefed<SVGAnimatedEnumeration>
SVGFEColorMatrixElement::Type()
{
return mEnumAttributes[TYPE].ToDOMAnimatedEnum(this);
}
already_AddRefed<DOMSVGAnimatedNumberList>
SVGFEColorMatrixElement::Values()
{
return DOMSVGAnimatedNumberList::GetDOMWrapper(&mNumberListAttributes[VALUES],
this, VALUES);
}
void
SVGFEColorMatrixElement::GetSourceImageNames(nsTArray<nsSVGStringInfo>& aSources)
{
aSources.AppendElement(nsSVGStringInfo(&mStringAttributes[IN1], this));
}
FilterPrimitiveDescription
SVGFEColorMatrixElement::GetPrimitiveDescription(nsSVGFilterInstance* aInstance,
const IntRect& aFilterSubregion,
const nsTArray<bool>& aInputsAreTainted,
nsTArray<RefPtr<SourceSurface>>& aInputImages)
{
uint32_t type = mEnumAttributes[TYPE].GetAnimValue();
const SVGNumberList &values = mNumberListAttributes[VALUES].GetAnimValue();
FilterPrimitiveDescription descr(PrimitiveType::ColorMatrix);
if (!mNumberListAttributes[VALUES].IsExplicitlySet() &&
(type == SVG_FECOLORMATRIX_TYPE_MATRIX ||
type == SVG_FECOLORMATRIX_TYPE_SATURATE ||
type == SVG_FECOLORMATRIX_TYPE_HUE_ROTATE)) {
descr.Attributes().Set(eColorMatrixType, (uint32_t)SVG_FECOLORMATRIX_TYPE_MATRIX);
static const float identityMatrix[] =
{ 1, 0, 0, 0, 0,
0, 1, 0, 0, 0,
0, 0, 1, 0, 0,
0, 0, 0, 1, 0 };
descr.Attributes().Set(eColorMatrixValues, identityMatrix, 20);
} else {
descr.Attributes().Set(eColorMatrixType, type);
if (values.Length()) {
descr.Attributes().Set(eColorMatrixValues, &values[0], values.Length());
} else {
descr.Attributes().Set(eColorMatrixValues, nullptr, 0);
}
}
return descr;
}
bool
SVGFEColorMatrixElement::AttributeAffectsRendering(int32_t aNameSpaceID,
nsIAtom* aAttribute) const
{
return SVGFEColorMatrixElementBase::AttributeAffectsRendering(aNameSpaceID, aAttribute) ||
(aNameSpaceID == kNameSpaceID_None &&
(aAttribute == nsGkAtoms::in ||
aAttribute == nsGkAtoms::type ||
aAttribute == nsGkAtoms::values));
}
//----------------------------------------------------------------------
// nsSVGElement methods
nsSVGElement::EnumAttributesInfo
SVGFEColorMatrixElement::GetEnumInfo()
{
return EnumAttributesInfo(mEnumAttributes, sEnumInfo,
ArrayLength(sEnumInfo));
}
nsSVGElement::StringAttributesInfo
SVGFEColorMatrixElement::GetStringInfo()
{
return StringAttributesInfo(mStringAttributes, sStringInfo,
ArrayLength(sStringInfo));
}
nsSVGElement::NumberListAttributesInfo
SVGFEColorMatrixElement::GetNumberListInfo()
{
return NumberListAttributesInfo(mNumberListAttributes, sNumberListInfo,
ArrayLength(sNumberListInfo));
}
} // namespace dom
} // namespace mozilla