| /* |
| * 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 "core/svg/SVGFilterPrimitiveStandardAttributes.h" |
| |
| #include "core/SVGNames.h" |
| #include "core/layout/svg/LayoutSVGResourceContainer.h" |
| #include "core/layout/svg/LayoutSVGResourceFilterPrimitive.h" |
| #include "core/svg/SVGLength.h" |
| #include "platform/graphics/filters/FilterEffect.h" |
| |
| namespace blink { |
| |
| SVGFilterPrimitiveStandardAttributes::SVGFilterPrimitiveStandardAttributes(const QualifiedName& tagName, Document& document) |
| : SVGElement(tagName, document) |
| , m_x(SVGAnimatedLength::create(this, SVGNames::xAttr, SVGLength::create(SVGLengthMode::Width))) |
| , m_y(SVGAnimatedLength::create(this, SVGNames::yAttr, SVGLength::create(SVGLengthMode::Height))) |
| , m_width(SVGAnimatedLength::create(this, SVGNames::widthAttr, SVGLength::create(SVGLengthMode::Width))) |
| , m_height(SVGAnimatedLength::create(this, SVGNames::heightAttr, SVGLength::create(SVGLengthMode::Height))) |
| , m_result(SVGAnimatedString::create(this, SVGNames::resultAttr, SVGString::create())) |
| { |
| // Spec: If the x/y attribute is not specified, the effect is as if a value of "0%" were specified. |
| m_x->setDefaultValueAsString("0%"); |
| m_y->setDefaultValueAsString("0%"); |
| |
| // Spec: If the width/height attribute is not specified, the effect is as if a value of "100%" were specified. |
| m_width->setDefaultValueAsString("100%"); |
| m_height->setDefaultValueAsString("100%"); |
| |
| addToPropertyMap(m_x); |
| addToPropertyMap(m_y); |
| addToPropertyMap(m_width); |
| addToPropertyMap(m_height); |
| addToPropertyMap(m_result); |
| } |
| |
| DEFINE_TRACE(SVGFilterPrimitiveStandardAttributes) |
| { |
| visitor->trace(m_x); |
| visitor->trace(m_y); |
| visitor->trace(m_width); |
| visitor->trace(m_height); |
| visitor->trace(m_result); |
| SVGElement::trace(visitor); |
| } |
| |
| 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) |
| { |
| if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr |
| || attrName == SVGNames::widthAttr || attrName == SVGNames::heightAttr |
| || attrName == SVGNames::resultAttr) { |
| SVGElement::InvalidationGuard invalidationGuard(this); |
| invalidate(); |
| return; |
| } |
| |
| SVGElement::svgAttributeChanged(attrName); |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::childrenChanged(const ChildrenChange& change) |
| { |
| SVGElement::childrenChanged(change); |
| |
| if (!change.byParser) |
| invalidate(); |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::setStandardAttributes(FilterEffect* filterEffect) const |
| { |
| DCHECK(filterEffect); |
| |
| if (x()->isSpecified()) |
| filterEffect->setHasX(true); |
| if (y()->isSpecified()) |
| filterEffect->setHasY(true); |
| if (width()->isSpecified()) |
| filterEffect->setHasWidth(true); |
| if (height()->isSpecified()) |
| filterEffect->setHasHeight(true); |
| } |
| |
| LayoutObject* SVGFilterPrimitiveStandardAttributes::createLayoutObject(const ComputedStyle&) |
| { |
| return new LayoutSVGResourceFilterPrimitive(this); |
| } |
| |
| bool SVGFilterPrimitiveStandardAttributes::layoutObjectIsNeeded(const ComputedStyle& style) |
| { |
| if (isSVGFilterElement(parentNode())) |
| return SVGElement::layoutObjectIsNeeded(style); |
| |
| return false; |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::invalidate() |
| { |
| if (LayoutObject* primitiveLayoutObject = layoutObject()) |
| markForLayoutAndParentResourceInvalidation(primitiveLayoutObject); |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::primitiveAttributeChanged(const QualifiedName& attribute) |
| { |
| if (LayoutObject* primitiveLayoutObject = layoutObject()) |
| static_cast<LayoutSVGResourceFilterPrimitive*>(primitiveLayoutObject)->primitiveAttributeChanged(attribute); |
| } |
| |
| void invalidateFilterPrimitiveParent(SVGElement* element) |
| { |
| if (!element) |
| return; |
| |
| ContainerNode* parent = element->parentNode(); |
| |
| if (!parent) |
| return; |
| |
| LayoutObject* layoutObject = parent->layoutObject(); |
| if (!layoutObject || !layoutObject->isSVGResourceFilterPrimitive()) |
| return; |
| |
| LayoutSVGResourceContainer::markForLayoutAndParentResourceInvalidation(layoutObject, false); |
| } |
| |
| } // namespace blink |