gecko-dev/dom/svg/SVGFEColorMatrixElement.cpp

140 строки
5.0 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 "mozilla/dom/SVGFEColorMatrixElement.h"
#include "DOMSVGAnimatedNumberList.h"
#include "mozilla/dom/SVGFEColorMatrixElementBinding.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/BindContext.h"
#define NUM_ENTRIES_IN_4x5_MATRIX 20
NS_IMPL_NS_NEW_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);
}
SVGEnumMapping 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}};
SVGElement::EnumInfo SVGFEColorMatrixElement::sEnumInfo[1] = {
{nsGkAtoms::type, sTypeMap, SVG_FECOLORMATRIX_TYPE_MATRIX}};
SVGElement::StringInfo SVGFEColorMatrixElement::sStringInfo[2] = {
{nsGkAtoms::result, kNameSpaceID_None, true},
{nsGkAtoms::in, kNameSpaceID_None, true}};
SVGElement::NumberListInfo SVGFEColorMatrixElement::sNumberListInfo[1] = {
{nsGkAtoms::values}};
//----------------------------------------------------------------------
// nsINode methods
NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEColorMatrixElement)
//----------------------------------------------------------------------
already_AddRefed<DOMSVGAnimatedString> SVGFEColorMatrixElement::In1() {
return mStringAttributes[IN1].ToDOMAnimatedString(this);
}
already_AddRefed<DOMSVGAnimatedEnumeration> SVGFEColorMatrixElement::Type() {
return mEnumAttributes[TYPE].ToDOMAnimatedEnum(this);
}
already_AddRefed<DOMSVGAnimatedNumberList> SVGFEColorMatrixElement::Values() {
return DOMSVGAnimatedNumberList::GetDOMWrapper(&mNumberListAttributes[VALUES],
this, VALUES);
}
void SVGFEColorMatrixElement::GetSourceImageNames(
nsTArray<SVGStringInfo>& aSources) {
aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN1], this));
}
FilterPrimitiveDescription SVGFEColorMatrixElement::GetPrimitiveDescription(
SVGFilterInstance* 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));
}
nsresult SVGFEColorMatrixElement::BindToTree(BindContext& aCtx,
nsINode& aParent) {
if (aCtx.InComposedDoc()) {
aCtx.OwnerDoc().SetUseCounter(eUseCounter_custom_feColorMatrix);
}
return SVGFE::BindToTree(aCtx, aParent);
}
//----------------------------------------------------------------------
// SVGElement methods
SVGElement::EnumAttributesInfo SVGFEColorMatrixElement::GetEnumInfo() {
return EnumAttributesInfo(mEnumAttributes, sEnumInfo, ArrayLength(sEnumInfo));
}
SVGElement::StringAttributesInfo SVGFEColorMatrixElement::GetStringInfo() {
return StringAttributesInfo(mStringAttributes, sStringInfo,
ArrayLength(sStringInfo));
}
SVGElement::NumberListAttributesInfo
SVGFEColorMatrixElement::GetNumberListInfo() {
return NumberListAttributesInfo(mNumberListAttributes, sNumberListInfo,
ArrayLength(sNumberListInfo));
}
} // namespace dom
} // namespace mozilla