| /* |
| * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org> |
| * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com> |
| * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> |
| * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
| * |
| * 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 "SVGFilterElement.h" |
| |
| #include "Attr.h" |
| #include "RenderSVGResourceFilter.h" |
| #include "SVGFilterBuilder.h" |
| #include "SVGFilterPrimitiveStandardAttributes.h" |
| #include "SVGNames.h" |
| #include "SVGParserUtilities.h" |
| #include "SVGUnitTypes.h" |
| |
| namespace WebCore { |
| |
| // Animated property definitions |
| DEFINE_ANIMATED_ENUMERATION(SVGFilterElement, SVGNames::filterUnitsAttr, FilterUnits, filterUnits) |
| DEFINE_ANIMATED_ENUMERATION(SVGFilterElement, SVGNames::primitiveUnitsAttr, PrimitiveUnits, primitiveUnits) |
| DEFINE_ANIMATED_LENGTH(SVGFilterElement, SVGNames::xAttr, X, x) |
| DEFINE_ANIMATED_LENGTH(SVGFilterElement, SVGNames::yAttr, Y, y) |
| DEFINE_ANIMATED_LENGTH(SVGFilterElement, SVGNames::widthAttr, Width, width) |
| DEFINE_ANIMATED_LENGTH(SVGFilterElement, SVGNames::heightAttr, Height, height) |
| DEFINE_ANIMATED_INTEGER_MULTIPLE_WRAPPERS(SVGFilterElement, SVGNames::filterResAttr, filterResXIdentifier(), FilterResX, filterResX) |
| DEFINE_ANIMATED_INTEGER_MULTIPLE_WRAPPERS(SVGFilterElement, SVGNames::filterResAttr, filterResYIdentifier(), FilterResY, filterResY) |
| DEFINE_ANIMATED_STRING(SVGFilterElement, XLinkNames::hrefAttr, Href, href) |
| DEFINE_ANIMATED_BOOLEAN(SVGFilterElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired) |
| |
| inline SVGFilterElement::SVGFilterElement(const QualifiedName& tagName, Document* document) |
| : SVGStyledElement(tagName, document) |
| , SVGURIReference() |
| , SVGLangSpace() |
| , SVGExternalResourcesRequired() |
| , m_filterUnits(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) |
| , m_primitiveUnits(SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE) |
| , m_x(LengthModeWidth, "-10%") |
| , m_y(LengthModeHeight, "-10%") |
| , m_width(LengthModeWidth, "120%") |
| , m_height(LengthModeHeight, "120%") |
| { |
| // Spec: If the x/y attribute is not specified, the effect is as if a value of "-10%" were specified. |
| // Spec: If the width/height attribute is not specified, the effect is as if a value of "120%" were specified. |
| } |
| |
| PassRefPtr<SVGFilterElement> SVGFilterElement::create(const QualifiedName& tagName, Document* document) |
| { |
| return adoptRef(new SVGFilterElement(tagName, document)); |
| } |
| |
| const AtomicString& SVGFilterElement::filterResXIdentifier() |
| { |
| DEFINE_STATIC_LOCAL(AtomicString, s_identifier, ("SVGFilterResX")); |
| return s_identifier; |
| } |
| |
| const AtomicString& SVGFilterElement::filterResYIdentifier() |
| { |
| DEFINE_STATIC_LOCAL(AtomicString, s_identifier, ("SVGFilterResY")); |
| return s_identifier; |
| } |
| |
| void SVGFilterElement::setFilterRes(unsigned long filterResX, unsigned long filterResY) |
| { |
| setFilterResXBaseValue(filterResX); |
| setFilterResYBaseValue(filterResY); |
| |
| if (RenderObject* object = renderer()) |
| object->setNeedsLayout(true); |
| } |
| |
| void SVGFilterElement::parseMappedAttribute(Attribute* attr) |
| { |
| const String& value = attr->value(); |
| if (attr->name() == SVGNames::filterUnitsAttr) { |
| if (value == "userSpaceOnUse") |
| setFilterUnitsBaseValue(SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE); |
| else if (value == "objectBoundingBox") |
| setFilterUnitsBaseValue(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX); |
| } else if (attr->name() == SVGNames::primitiveUnitsAttr) { |
| if (value == "userSpaceOnUse") |
| setPrimitiveUnitsBaseValue(SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE); |
| else if (value == "objectBoundingBox") |
| setPrimitiveUnitsBaseValue(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX); |
| } else 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::filterResAttr) { |
| float x, y; |
| if (parseNumberOptionalNumber(value, x, y)) { |
| setFilterResXBaseValue(x); |
| setFilterResYBaseValue(y); |
| } |
| } else { |
| if (SVGURIReference::parseMappedAttribute(attr)) |
| return; |
| if (SVGLangSpace::parseMappedAttribute(attr)) |
| return; |
| if (SVGExternalResourcesRequired::parseMappedAttribute(attr)) |
| return; |
| |
| SVGStyledElement::parseMappedAttribute(attr); |
| } |
| } |
| |
| void SVGFilterElement::svgAttributeChanged(const QualifiedName& attrName) |
| { |
| SVGStyledElement::svgAttributeChanged(attrName); |
| |
| bool invalidateClients = false; |
| if (attrName == SVGNames::xAttr |
| || attrName == SVGNames::yAttr |
| || attrName == SVGNames::widthAttr |
| || attrName == SVGNames::heightAttr) { |
| invalidateClients = true; |
| updateRelativeLengthsInformation(); |
| } |
| |
| RenderObject* object = renderer(); |
| if (!object) |
| return; |
| |
| if (invalidateClients |
| || attrName == SVGNames::filterUnitsAttr |
| || attrName == SVGNames::primitiveUnitsAttr |
| || attrName == SVGNames::filterResAttr |
| || SVGStyledElement::isKnownAttribute(attrName) |
| || SVGURIReference::isKnownAttribute(attrName) |
| || SVGLangSpace::isKnownAttribute(attrName) |
| || SVGExternalResourcesRequired::isKnownAttribute(attrName)) |
| object->setNeedsLayout(true); |
| } |
| |
| void SVGFilterElement::synchronizeProperty(const QualifiedName& attrName) |
| { |
| SVGStyledElement::synchronizeProperty(attrName); |
| |
| if (attrName == anyQName()) { |
| synchronizeX(); |
| synchronizeY(); |
| synchronizeWidth(); |
| synchronizeHeight(); |
| synchronizeFilterUnits(); |
| synchronizePrimitiveUnits(); |
| synchronizeFilterResX(); |
| synchronizeFilterResY(); |
| synchronizeExternalResourcesRequired(); |
| synchronizeHref(); |
| 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::filterUnitsAttr) |
| synchronizeFilterUnits(); |
| else if (attrName == SVGNames::primitiveUnitsAttr) |
| synchronizePrimitiveUnits(); |
| else if (attrName == SVGNames::filterResAttr) { |
| synchronizeFilterResX(); |
| synchronizeFilterResY(); |
| } else if (SVGExternalResourcesRequired::isKnownAttribute(attrName)) |
| synchronizeExternalResourcesRequired(); |
| else if (SVGURIReference::isKnownAttribute(attrName)) |
| synchronizeHref(); |
| } |
| |
| AttributeToPropertyTypeMap& SVGFilterElement::attributeToPropertyTypeMap() |
| { |
| DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ()); |
| return s_attributeToPropertyTypeMap; |
| } |
| |
| void SVGFilterElement::fillAttributeToPropertyTypeMap() |
| { |
| AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap(); |
| |
| SVGStyledElement::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap); |
| attributeToPropertyTypeMap.set(SVGNames::filterUnitsAttr, AnimatedEnumeration); |
| attributeToPropertyTypeMap.set(SVGNames::primitiveUnitsAttr, AnimatedEnumeration); |
| attributeToPropertyTypeMap.set(SVGNames::xAttr, AnimatedLength); |
| attributeToPropertyTypeMap.set(SVGNames::yAttr, AnimatedLength); |
| attributeToPropertyTypeMap.set(SVGNames::widthAttr, AnimatedLength); |
| attributeToPropertyTypeMap.set(SVGNames::heightAttr, AnimatedLength); |
| attributeToPropertyTypeMap.set(SVGNames::filterResAttr, AnimatedNumberOptionalNumber); |
| attributeToPropertyTypeMap.set(XLinkNames::hrefAttr, AnimatedString); |
| } |
| |
| void SVGFilterElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta) |
| { |
| SVGStyledElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta); |
| |
| if (changedByParser) |
| return; |
| |
| if (RenderObject* object = renderer()) |
| object->setNeedsLayout(true); |
| } |
| |
| FloatRect SVGFilterElement::filterBoundingBox(const FloatRect& objectBoundingBox) const |
| { |
| FloatRect filterBBox; |
| if (filterUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) |
| filterBBox = FloatRect(x().valueAsPercentage() * objectBoundingBox.width() + objectBoundingBox.x(), |
| y().valueAsPercentage() * objectBoundingBox.height() + objectBoundingBox.y(), |
| width().valueAsPercentage() * objectBoundingBox.width(), |
| height().valueAsPercentage() * objectBoundingBox.height()); |
| else |
| filterBBox = FloatRect(x().value(this), |
| y().value(this), |
| width().value(this), |
| height().value(this)); |
| |
| return filterBBox; |
| } |
| |
| RenderObject* SVGFilterElement::createRenderer(RenderArena* arena, RenderStyle*) |
| { |
| return new (arena) RenderSVGResourceFilter(this); |
| } |
| |
| bool SVGFilterElement::selfHasRelativeLengths() const |
| { |
| return x().isRelative() |
| || y().isRelative() |
| || width().isRelative() |
| || height().isRelative(); |
| } |
| |
| } |
| |
| #endif |