| /* |
| * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org> |
| * Copyright (C) 2009 Dirk Schulze <krit@webkit.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 "SVGFilterPrimitiveStandardAttributes.h" |
| |
| #include "Attribute.h" |
| #include "FilterEffect.h" |
| #include "RenderSVGResourceFilterPrimitive.h" |
| #include "SVGFilterBuilder.h" |
| #include "SVGLength.h" |
| #include "SVGNames.h" |
| #include "SVGStyledElement.h" |
| #include "SVGUnitTypes.h" |
| |
| namespace WebCore { |
| |
| // Animated property definitions |
| DEFINE_ANIMATED_LENGTH(SVGFilterPrimitiveStandardAttributes, SVGNames::xAttr, X, x) |
| DEFINE_ANIMATED_LENGTH(SVGFilterPrimitiveStandardAttributes, SVGNames::yAttr, Y, y) |
| DEFINE_ANIMATED_LENGTH(SVGFilterPrimitiveStandardAttributes, SVGNames::widthAttr, Width, width) |
| DEFINE_ANIMATED_LENGTH(SVGFilterPrimitiveStandardAttributes, SVGNames::heightAttr, Height, height) |
| DEFINE_ANIMATED_STRING(SVGFilterPrimitiveStandardAttributes, SVGNames::resultAttr, Result, result) |
| |
| SVGFilterPrimitiveStandardAttributes::SVGFilterPrimitiveStandardAttributes(const QualifiedName& tagName, Document* document) |
| : SVGStyledElement(tagName, document) |
| , m_x(LengthModeWidth, "0%") |
| , m_y(LengthModeHeight, "0%") |
| , m_width(LengthModeWidth, "100%") |
| , m_height(LengthModeHeight, "100%") |
| { |
| // Spec: If the x/y attribute is not specified, the effect is as if a value of "0%" were specified. |
| // Spec: If the width/height attribute is not specified, the effect is as if a value of "100%" were specified. |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(Attribute* attr) |
| { |
| const AtomicString& value = attr->value(); |
| if (attr->name() == SVGNames::xAttr) |
| setXBaseValue(SVGLength(LengthModeWidth, value)); |
| else if (attr->name() == SVGNames::yAttr) |
| setYBaseValue(SVGLength(LengthModeHeight, value)); |
| else if (attr->name() == SVGNames::widthAttr) |
| setWidthBaseValue(SVGLength(LengthModeWidth, value)); |
| else if (attr->name() == SVGNames::heightAttr) |
| setHeightBaseValue(SVGLength(LengthModeHeight, value)); |
| else if (attr->name() == SVGNames::resultAttr) |
| setResultBaseValue(value); |
| else |
| return SVGStyledElement::parseMappedAttribute(attr); |
| } |
| |
| bool SVGFilterPrimitiveStandardAttributes::setFilterEffectAttribute(FilterEffect*, const QualifiedName&) |
| { |
| // When all filters support this method, it will be changed to a pure virtual method. |
| ASSERT_NOT_REACHED(); |
| return false; |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(const QualifiedName& attrName) |
| { |
| SVGStyledElement::svgAttributeChanged(attrName); |
| |
| if (attrName == SVGNames::xAttr |
| || attrName == SVGNames::yAttr |
| || attrName == SVGNames::widthAttr |
| || attrName == SVGNames::heightAttr |
| || attrName == SVGNames::resultAttr) |
| invalidate(); |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::synchronizeProperty(const QualifiedName& attrName) |
| { |
| SVGStyledElement::synchronizeProperty(attrName); |
| |
| if (attrName == anyQName()) { |
| synchronizeX(); |
| synchronizeY(); |
| synchronizeWidth(); |
| synchronizeHeight(); |
| synchronizeResult(); |
| return; |
| } |
| |
| if (attrName == SVGNames::xAttr) |
| synchronizeX(); |
| else if (attrName == SVGNames::yAttr) |
| synchronizeY(); |
| else if (attrName == SVGNames::widthAttr) |
| synchronizeWidth(); |
| else if (attrName == SVGNames::heightAttr) |
| synchronizeHeight(); |
| else if (attrName == SVGNames::resultAttr) |
| synchronizeResult(); |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta) |
| { |
| SVGStyledElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta); |
| |
| if (!changedByParser) |
| invalidate(); |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::setStandardAttributes(bool primitiveBoundingBoxMode, FilterEffect* filterEffect) const |
| { |
| ASSERT(filterEffect); |
| if (!filterEffect) |
| return; |
| |
| if (this->hasAttribute(SVGNames::xAttr)) |
| filterEffect->setHasX(true); |
| if (this->hasAttribute(SVGNames::yAttr)) |
| filterEffect->setHasY(true); |
| if (this->hasAttribute(SVGNames::widthAttr)) |
| filterEffect->setHasWidth(true); |
| if (this->hasAttribute(SVGNames::heightAttr)) |
| filterEffect->setHasHeight(true); |
| |
| FloatRect effectBBox; |
| if (primitiveBoundingBoxMode) |
| effectBBox = FloatRect(x().valueAsPercentage(), |
| y().valueAsPercentage(), |
| width().valueAsPercentage(), |
| height().valueAsPercentage()); |
| else |
| effectBBox = FloatRect(x().value(this), |
| y().value(this), |
| width().value(this), |
| height().value(this)); |
| |
| filterEffect->setEffectBoundaries(effectBBox); |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::fillPassedAttributeToPropertyTypeMap(AttributeToPropertyTypeMap& attributeToPropertyTypeMap) |
| { |
| SVGStyledElement::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap); |
| |
| attributeToPropertyTypeMap.set(SVGNames::xAttr, AnimatedLength); |
| attributeToPropertyTypeMap.set(SVGNames::yAttr, AnimatedLength); |
| attributeToPropertyTypeMap.set(SVGNames::widthAttr, AnimatedLength); |
| attributeToPropertyTypeMap.set(SVGNames::heightAttr, AnimatedLength); |
| attributeToPropertyTypeMap.set(SVGNames::resultAttr, AnimatedString); |
| } |
| |
| RenderObject* SVGFilterPrimitiveStandardAttributes::createRenderer(RenderArena* arena, RenderStyle*) |
| { |
| return new (arena) RenderSVGResourceFilterPrimitive(this); |
| } |
| |
| bool SVGFilterPrimitiveStandardAttributes::rendererIsNeeded(RenderStyle* style) |
| { |
| if (parentNode() && (parentNode()->hasTagName(SVGNames::filterTag))) |
| return SVGStyledElement::rendererIsNeeded(style); |
| |
| return false; |
| } |
| |
| } |
| |
| #endif // ENABLE(SVG) |