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/*
* Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "third_party/blink/renderer/core/svg/svg_fe_color_matrix_element.h"
#include "third_party/blink/renderer/core/svg/graphics/filters/svg_filter_builder.h"
#include "third_party/blink/renderer/core/svg/svg_enumeration_map.h"
#include "third_party/blink/renderer/core/svg_names.h"
#include "third_party/blink/renderer/platform/heap/heap.h"
namespace blink {
template <>
const SVGEnumerationMap& GetEnumerationMap<ColorMatrixType>() {
static const SVGEnumerationMap::Entry enum_items[] = {
{FECOLORMATRIX_TYPE_MATRIX, "matrix"},
{FECOLORMATRIX_TYPE_SATURATE, "saturate"},
{FECOLORMATRIX_TYPE_HUEROTATE, "hueRotate"},
{FECOLORMATRIX_TYPE_LUMINANCETOALPHA, "luminanceToAlpha"},
};
static const SVGEnumerationMap entries(enum_items);
return entries;
}
SVGFEColorMatrixElement::SVGFEColorMatrixElement(Document& document)
: SVGFilterPrimitiveStandardAttributes(svg_names::kFEColorMatrixTag,
document),
values_(
MakeGarbageCollected<SVGAnimatedNumberList>(this,
svg_names::kValuesAttr)),
in1_(MakeGarbageCollected<SVGAnimatedString>(this, svg_names::kInAttr)),
type_(MakeGarbageCollected<SVGAnimatedEnumeration<ColorMatrixType>>(
this,
svg_names::kTypeAttr,
FECOLORMATRIX_TYPE_MATRIX)) {
AddToPropertyMap(values_);
AddToPropertyMap(in1_);
AddToPropertyMap(type_);
}
void SVGFEColorMatrixElement::Trace(Visitor* visitor) const {
visitor->Trace(values_);
visitor->Trace(in1_);
visitor->Trace(type_);
SVGFilterPrimitiveStandardAttributes::Trace(visitor);
}
bool SVGFEColorMatrixElement::SetFilterEffectAttribute(
FilterEffect* effect,
const QualifiedName& attr_name) {
FEColorMatrix* color_matrix = static_cast<FEColorMatrix*>(effect);
if (attr_name == svg_names::kTypeAttr)
return color_matrix->SetType(type_->CurrentEnumValue());
if (attr_name == svg_names::kValuesAttr)
return color_matrix->SetValues(values_->CurrentValue()->ToFloatVector());
return SVGFilterPrimitiveStandardAttributes::SetFilterEffectAttribute(
effect, attr_name);
}
void SVGFEColorMatrixElement::SvgAttributeChanged(
const QualifiedName& attr_name) {
if (attr_name == svg_names::kTypeAttr ||
attr_name == svg_names::kValuesAttr) {
SVGElement::InvalidationGuard invalidation_guard(this);
PrimitiveAttributeChanged(attr_name);
return;
}
if (attr_name == svg_names::kInAttr) {
SVGElement::InvalidationGuard invalidation_guard(this);
Invalidate();
return;
}
SVGFilterPrimitiveStandardAttributes::SvgAttributeChanged(attr_name);
}
FilterEffect* SVGFEColorMatrixElement::Build(SVGFilterBuilder* filter_builder,
Filter* filter) {
FilterEffect* input1 = filter_builder->GetEffectById(
AtomicString(in1_->CurrentValue()->Value()));
DCHECK(input1);
ColorMatrixType filter_type = type_->CurrentEnumValue();
auto* effect = MakeGarbageCollected<FEColorMatrix>(
filter, filter_type, values_->CurrentValue()->ToFloatVector());
effect->InputEffects().push_back(input1);
return effect;
}
} // namespace blink
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