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/*
* 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)
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