gecko-dev/dom/svg/SVGFEColorMatrixElement.cpp

159 строки
4.8 KiB
C++

/* -*- 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 "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, JS::Handle<JSObject*> aGivenProto)
{
return SVGFEColorMatrixElement_Binding::Wrap(aCx, this, aGivenProto);
}
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 }
};
//----------------------------------------------------------------------
// nsINode 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();
ColorMatrixAttributes atts;
if (!mNumberListAttributes[VALUES].IsExplicitlySet() &&
(type == SVG_FECOLORMATRIX_TYPE_MATRIX ||
type == SVG_FECOLORMATRIX_TYPE_SATURATE ||
type == SVG_FECOLORMATRIX_TYPE_HUE_ROTATE)) {
atts.mType = (uint32_t)SVG_FECOLORMATRIX_TYPE_MATRIX;
static const float identityMatrix[] = {
// clang-format off
1, 0, 0, 0, 0,
0, 1, 0, 0, 0,
0, 0, 1, 0, 0,
0, 0, 0, 1, 0
// clang-format on
};
atts.mValues.AppendElements(identityMatrix, 20);
} else {
atts.mType = type;
if (values.Length()) {
atts.mValues.AppendElements(&values[0], values.Length());
}
}
return FilterPrimitiveDescription(AsVariant(std::move(atts)));
}
bool
SVGFEColorMatrixElement::AttributeAffectsRendering(int32_t aNameSpaceID,
nsAtom* 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