| /* |
| * Copyright (C) 2006 Oliver Hunt <oliver@nerget.com> |
| * |
| * 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_displacement_map_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" |
| |
| namespace blink { |
| |
| template <> |
| const SVGEnumerationMap& GetEnumerationMap<ChannelSelectorType>() { |
| static const SVGEnumerationMap::Entry enum_items[] = { |
| {CHANNEL_R, "R"}, {CHANNEL_G, "G"}, {CHANNEL_B, "B"}, {CHANNEL_A, "A"}, |
| }; |
| static const SVGEnumerationMap entries(enum_items); |
| return entries; |
| } |
| |
| inline SVGFEDisplacementMapElement::SVGFEDisplacementMapElement( |
| Document& document) |
| : SVGFilterPrimitiveStandardAttributes(svg_names::kFEDisplacementMapTag, |
| document), |
| scale_(SVGAnimatedNumber::Create(this, svg_names::kScaleAttr, 0.0f)), |
| in1_(SVGAnimatedString::Create(this, svg_names::kInAttr)), |
| in2_(SVGAnimatedString::Create(this, svg_names::kIn2Attr)), |
| x_channel_selector_(SVGAnimatedEnumeration<ChannelSelectorType>::Create( |
| this, |
| svg_names::kXChannelSelectorAttr, |
| CHANNEL_A)), |
| y_channel_selector_(SVGAnimatedEnumeration<ChannelSelectorType>::Create( |
| this, |
| svg_names::kYChannelSelectorAttr, |
| CHANNEL_A)) { |
| AddToPropertyMap(scale_); |
| AddToPropertyMap(in1_); |
| AddToPropertyMap(in2_); |
| AddToPropertyMap(x_channel_selector_); |
| AddToPropertyMap(y_channel_selector_); |
| } |
| |
| void SVGFEDisplacementMapElement::Trace(blink::Visitor* visitor) { |
| visitor->Trace(scale_); |
| visitor->Trace(in1_); |
| visitor->Trace(in2_); |
| visitor->Trace(x_channel_selector_); |
| visitor->Trace(y_channel_selector_); |
| SVGFilterPrimitiveStandardAttributes::Trace(visitor); |
| } |
| |
| DEFINE_NODE_FACTORY(SVGFEDisplacementMapElement) |
| |
| bool SVGFEDisplacementMapElement::SetFilterEffectAttribute( |
| FilterEffect* effect, |
| const QualifiedName& attr_name) { |
| FEDisplacementMap* displacement_map = static_cast<FEDisplacementMap*>(effect); |
| if (attr_name == svg_names::kXChannelSelectorAttr) |
| return displacement_map->SetXChannelSelector( |
| x_channel_selector_->CurrentValue()->EnumValue()); |
| if (attr_name == svg_names::kYChannelSelectorAttr) |
| return displacement_map->SetYChannelSelector( |
| y_channel_selector_->CurrentValue()->EnumValue()); |
| if (attr_name == svg_names::kScaleAttr) |
| return displacement_map->SetScale(scale_->CurrentValue()->Value()); |
| |
| return SVGFilterPrimitiveStandardAttributes::SetFilterEffectAttribute( |
| effect, attr_name); |
| } |
| |
| void SVGFEDisplacementMapElement::SvgAttributeChanged( |
| const QualifiedName& attr_name) { |
| if (attr_name == svg_names::kXChannelSelectorAttr || |
| attr_name == svg_names::kYChannelSelectorAttr || |
| attr_name == svg_names::kScaleAttr) { |
| SVGElement::InvalidationGuard invalidation_guard(this); |
| PrimitiveAttributeChanged(attr_name); |
| return; |
| } |
| |
| if (attr_name == svg_names::kInAttr || attr_name == svg_names::kIn2Attr) { |
| SVGElement::InvalidationGuard invalidation_guard(this); |
| Invalidate(); |
| return; |
| } |
| |
| SVGFilterPrimitiveStandardAttributes::SvgAttributeChanged(attr_name); |
| } |
| |
| FilterEffect* SVGFEDisplacementMapElement::Build( |
| SVGFilterBuilder* filter_builder, |
| Filter* filter) { |
| FilterEffect* input1 = filter_builder->GetEffectById( |
| AtomicString(in1_->CurrentValue()->Value())); |
| FilterEffect* input2 = filter_builder->GetEffectById( |
| AtomicString(in2_->CurrentValue()->Value())); |
| DCHECK(input1); |
| DCHECK(input2); |
| |
| FilterEffect* effect = FEDisplacementMap::Create( |
| filter, x_channel_selector_->CurrentValue()->EnumValue(), |
| y_channel_selector_->CurrentValue()->EnumValue(), |
| scale_->CurrentValue()->Value()); |
| FilterEffectVector& input_effects = effect->InputEffects(); |
| input_effects.ReserveCapacity(2); |
| input_effects.push_back(input1); |
| input_effects.push_back(input2); |
| return effect; |
| } |
| |
| } // namespace blink |