| /* |
| Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org> |
| 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org> |
| 2005 Alexander Kellett <lypanov@kde.org> |
| 2009 Dirk Schulze <krit@webkit.org> |
| Copyright (C) Research In Motion Limited 2009-2010. 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) |
| #include "SVGMaskElement.h" |
| |
| #include "CSSStyleSelector.h" |
| #include "MappedAttribute.h" |
| #include "RenderSVGResourceMasker.h" |
| #include "SVGLength.h" |
| #include "SVGNames.h" |
| #include "SVGRenderSupport.h" |
| #include "SVGUnitTypes.h" |
| |
| using namespace std; |
| |
| namespace WebCore { |
| |
| SVGMaskElement::SVGMaskElement(const QualifiedName& tagName, Document* doc) |
| : SVGStyledLocatableElement(tagName, doc) |
| , SVGURIReference() |
| , SVGTests() |
| , SVGLangSpace() |
| , SVGExternalResourcesRequired() |
| , m_maskUnits(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) |
| , m_maskContentUnits(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. |
| } |
| |
| SVGMaskElement::~SVGMaskElement() |
| { |
| } |
| |
| void SVGMaskElement::parseMappedAttribute(MappedAttribute* attr) |
| { |
| if (attr->name() == SVGNames::maskUnitsAttr) { |
| if (attr->value() == "userSpaceOnUse") |
| setMaskUnitsBaseValue(SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE); |
| else if (attr->value() == "objectBoundingBox") |
| setMaskUnitsBaseValue(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX); |
| } else if (attr->name() == SVGNames::maskContentUnitsAttr) { |
| if (attr->value() == "userSpaceOnUse") |
| setMaskContentUnitsBaseValue(SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE); |
| else if (attr->value() == "objectBoundingBox") |
| setMaskContentUnitsBaseValue(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX); |
| } else if (attr->name() == SVGNames::xAttr) |
| setXBaseValue(SVGLength(LengthModeWidth, attr->value())); |
| else if (attr->name() == SVGNames::yAttr) |
| setYBaseValue(SVGLength(LengthModeHeight, attr->value())); |
| else if (attr->name() == SVGNames::widthAttr) |
| setWidthBaseValue(SVGLength(LengthModeWidth, attr->value())); |
| else if (attr->name() == SVGNames::heightAttr) |
| setHeightBaseValue(SVGLength(LengthModeHeight, attr->value())); |
| else { |
| if (SVGURIReference::parseMappedAttribute(attr)) |
| return; |
| if (SVGTests::parseMappedAttribute(attr)) |
| return; |
| if (SVGLangSpace::parseMappedAttribute(attr)) |
| return; |
| if (SVGExternalResourcesRequired::parseMappedAttribute(attr)) |
| return; |
| SVGStyledElement::parseMappedAttribute(attr); |
| } |
| } |
| |
| void SVGMaskElement::svgAttributeChanged(const QualifiedName& attrName) |
| { |
| SVGStyledElement::svgAttributeChanged(attrName); |
| |
| if (attrName == SVGNames::maskUnitsAttr || attrName == SVGNames::maskContentUnitsAttr || |
| attrName == SVGNames::xAttr || attrName == SVGNames::yAttr || |
| attrName == SVGNames::widthAttr || attrName == SVGNames::heightAttr || |
| SVGURIReference::isKnownAttribute(attrName) || |
| SVGTests::isKnownAttribute(attrName) || |
| SVGLangSpace::isKnownAttribute(attrName) || |
| SVGExternalResourcesRequired::isKnownAttribute(attrName) || |
| SVGStyledElement::isKnownAttribute(attrName)) |
| invalidateCanvasResources(); |
| } |
| |
| void SVGMaskElement::synchronizeProperty(const QualifiedName& attrName) |
| { |
| SVGStyledElement::synchronizeProperty(attrName); |
| |
| if (attrName == anyQName()) { |
| synchronizeMaskUnits(); |
| synchronizeMaskContentUnits(); |
| synchronizeX(); |
| synchronizeY(); |
| synchronizeExternalResourcesRequired(); |
| synchronizeHref(); |
| return; |
| } |
| |
| if (attrName == SVGNames::maskUnitsAttr) |
| synchronizeMaskUnits(); |
| else if (attrName == SVGNames::maskContentUnitsAttr) |
| synchronizeMaskContentUnits(); |
| else if (attrName == SVGNames::xAttr) |
| synchronizeX(); |
| else if (attrName == SVGNames::yAttr) |
| synchronizeY(); |
| else if (SVGExternalResourcesRequired::isKnownAttribute(attrName)) |
| synchronizeExternalResourcesRequired(); |
| else if (SVGURIReference::isKnownAttribute(attrName)) |
| synchronizeHref(); |
| } |
| |
| void SVGMaskElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta) |
| { |
| SVGStyledElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta); |
| invalidateCanvasResources(); |
| } |
| |
| FloatRect SVGMaskElement::maskBoundingBox(const FloatRect& objectBoundingBox) const |
| { |
| FloatRect maskBBox; |
| if (maskUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) |
| maskBBox = FloatRect(x().valueAsPercentage() * objectBoundingBox.width() + objectBoundingBox.x(), |
| y().valueAsPercentage() * objectBoundingBox.height() + objectBoundingBox.y(), |
| width().valueAsPercentage() * objectBoundingBox.width(), |
| height().valueAsPercentage() * objectBoundingBox.height()); |
| else |
| maskBBox = FloatRect(x().value(this), |
| y().value(this), |
| width().value(this), |
| height().value(this)); |
| |
| return maskBBox; |
| } |
| |
| RenderObject* SVGMaskElement::createRenderer(RenderArena* arena, RenderStyle*) |
| { |
| return new (arena) RenderSVGResourceMasker(this); |
| } |
| |
| } |
| |
| #endif // ENABLE(SVG) |