| /* |
| * 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 "config.h" |
| |
| #if ENABLE(SVG) && ENABLE(FILTERS) |
| #include "SVGFEColorMatrixElement.h" |
| |
| #include "Attribute.h" |
| #include "FilterEffect.h" |
| #include "SVGFilterBuilder.h" |
| #include "SVGNames.h" |
| |
| namespace WebCore { |
| |
| // Animated property definitions |
| DEFINE_ANIMATED_STRING(SVGFEColorMatrixElement, SVGNames::inAttr, In1, in1) |
| DEFINE_ANIMATED_ENUMERATION(SVGFEColorMatrixElement, SVGNames::typeAttr, Type, type) |
| DEFINE_ANIMATED_NUMBER_LIST(SVGFEColorMatrixElement, SVGNames::valuesAttr, Values, values) |
| |
| inline SVGFEColorMatrixElement::SVGFEColorMatrixElement(const QualifiedName& tagName, Document* document) |
| : SVGFilterPrimitiveStandardAttributes(tagName, document) |
| , m_type(FECOLORMATRIX_TYPE_UNKNOWN) |
| { |
| } |
| |
| PassRefPtr<SVGFEColorMatrixElement> SVGFEColorMatrixElement::create(const QualifiedName& tagName, Document* document) |
| { |
| return adoptRef(new SVGFEColorMatrixElement(tagName, document)); |
| } |
| |
| void SVGFEColorMatrixElement::parseMappedAttribute(Attribute* attr) |
| { |
| const String& value = attr->value(); |
| if (attr->name() == SVGNames::typeAttr) { |
| if (value == "matrix") |
| setTypeBaseValue(FECOLORMATRIX_TYPE_MATRIX); |
| else if (value == "saturate") |
| setTypeBaseValue(FECOLORMATRIX_TYPE_SATURATE); |
| else if (value == "hueRotate") |
| setTypeBaseValue(FECOLORMATRIX_TYPE_HUEROTATE); |
| else if (value == "luminanceToAlpha") |
| setTypeBaseValue(FECOLORMATRIX_TYPE_LUMINANCETOALPHA); |
| } else if (attr->name() == SVGNames::inAttr) |
| setIn1BaseValue(value); |
| else if (attr->name() == SVGNames::valuesAttr) { |
| SVGNumberList newList; |
| newList.parse(value); |
| detachAnimatedValuesListWrappers(newList.size()); |
| setValuesBaseValue(newList); |
| } else |
| SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr); |
| } |
| |
| bool SVGFEColorMatrixElement::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName) |
| { |
| FEColorMatrix* colorMatrix = static_cast<FEColorMatrix*>(effect); |
| if (attrName == SVGNames::typeAttr) |
| return colorMatrix->setType(static_cast<ColorMatrixType>(type())); |
| if (attrName == SVGNames::valuesAttr) |
| return colorMatrix->setValues(values()); |
| |
| ASSERT_NOT_REACHED(); |
| return false; |
| } |
| |
| void SVGFEColorMatrixElement::svgAttributeChanged(const QualifiedName& attrName) |
| { |
| SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName); |
| |
| if (attrName == SVGNames::typeAttr |
| || attrName == SVGNames::valuesAttr) |
| primitiveAttributeChanged(attrName); |
| if (attrName == SVGNames::inAttr) |
| invalidate(); |
| } |
| |
| void SVGFEColorMatrixElement::synchronizeProperty(const QualifiedName& attrName) |
| { |
| SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName); |
| |
| if (attrName == anyQName()) { |
| synchronizeType(); |
| synchronizeIn1(); |
| synchronizeValues(); |
| return; |
| } |
| |
| if (attrName == SVGNames::typeAttr) |
| synchronizeType(); |
| else if (attrName == SVGNames::inAttr) |
| synchronizeIn1(); |
| else if (attrName == SVGNames::valuesAttr) |
| synchronizeValues(); |
| } |
| |
| AttributeToPropertyTypeMap& SVGFEColorMatrixElement::attributeToPropertyTypeMap() |
| { |
| DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ()); |
| return s_attributeToPropertyTypeMap; |
| } |
| |
| void SVGFEColorMatrixElement::fillAttributeToPropertyTypeMap() |
| { |
| AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap(); |
| |
| SVGFilterPrimitiveStandardAttributes::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap); |
| attributeToPropertyTypeMap.set(SVGNames::inAttr, AnimatedString); |
| attributeToPropertyTypeMap.set(SVGNames::typeAttr, AnimatedEnumeration); |
| attributeToPropertyTypeMap.set(SVGNames::valuesAttr, AnimatedNumberList); |
| } |
| |
| PassRefPtr<FilterEffect> SVGFEColorMatrixElement::build(SVGFilterBuilder* filterBuilder, Filter* filter) |
| { |
| FilterEffect* input1 = filterBuilder->getEffectById(in1()); |
| |
| if (!input1) |
| return 0; |
| |
| Vector<float> filterValues; |
| const ColorMatrixType filterType(static_cast<ColorMatrixType>(type())); |
| |
| // Use defaults if values is empty (SVG 1.1 15.10). |
| if (!hasAttribute(SVGNames::valuesAttr)) { |
| switch (filterType) { |
| case FECOLORMATRIX_TYPE_MATRIX: |
| for (size_t i = 0; i < 20; i++) |
| filterValues.append((i % 6) ? 0.0f : 1.0f); |
| break; |
| case FECOLORMATRIX_TYPE_HUEROTATE: |
| filterValues.append(0.0f); |
| break; |
| case FECOLORMATRIX_TYPE_SATURATE: |
| filterValues.append(1.0f); |
| break; |
| default: |
| break; |
| } |
| } else { |
| filterValues = values(); |
| unsigned size = filterValues.size(); |
| |
| if ((filterType == FECOLORMATRIX_TYPE_MATRIX && size != 20) |
| || (filterType == FECOLORMATRIX_TYPE_HUEROTATE && size != 1) |
| || (filterType == FECOLORMATRIX_TYPE_SATURATE && (size != 1 |
| || filterValues[0] < 0.0f || filterValues[0] > 1.0f))) |
| return 0; |
| } |
| |
| RefPtr<FilterEffect> effect = FEColorMatrix::create(filter, filterType, filterValues); |
| effect->inputEffects().append(input1); |
| return effect.release(); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(SVG) |