/* | |
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) |