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/*
Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
2004, 2005 Rob Buis <buis@kde.org>
This file is part of the KDE project
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.
*/
#if ENABLE(SVG) && ENABLE(SVG_FILTERS)
#include "SVGFEImageElement.h"
#include "Attr.h"
#include "CachedImage.h"
#include "DocLoader.h"
#include "Document.h"
#include "SVGLength.h"
#include "SVGNames.h"
#include "SVGPreserveAspectRatio.h"
#include "SVGResourceFilter.h"
namespace WebCore
{
SVGFEImageElement::SVGFEImageElement(const QualifiedName &tagName, Document *doc)
: SVGFilterPrimitiveStandardAttributes(tagName, doc)
, SVGURIReference()
, SVGLangSpace()
, SVGExternalResourcesRequired()
, m_preserveAspectRatio(SVGPreserveAspectRatio::create())
, m_cachedImage(0)
, m_filterEffect(0)
{
}
SVGFEImageElement::~SVGFEImageElement()
{
delete m_filterEffect;
if (m_cachedImage) {
m_cachedImage->removeClient(this);
}
}
ANIMATED_PROPERTY_DEFINITIONS(SVGFEImageElement, SVGPreserveAspectRatio *, PreserveAspectRatio, preserveAspectRatio, PreserveAspectRatio, preserveAspectRatio, SVGNames::preserveAspectRatioAttr, m_preserveAspectRatio.get())
void SVGFEImageElement::parseMappedAttribute(MappedAttribute *attr)
{
const String &value = attr->value();
if (attr->name() == SVGNames::preserveAspectRatioAttr) {
const UChar *c = value.characters();
const UChar *end = c + value.length();
preserveAspectRatioBaseValue()->parsePreserveAspectRatio(c, end);
} else {
if (SVGURIReference::parseMappedAttribute(attr)) {
if (!href().startsWith("#")) {
// FIXME: this code needs to special-case url fragments and later look them up using getElementById instead of loading them here
if (m_cachedImage) {
m_cachedImage->removeClient(this);
}
m_cachedImage = ownerDocument()->docLoader()->requestImage(href());
if (m_cachedImage) {
m_cachedImage->addClient(this);
}
}
return;
}
if (SVGLangSpace::parseMappedAttribute(attr)) {
return;
}
if (SVGExternalResourcesRequired::parseMappedAttribute(attr)) {
return;
}
SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
}
}
void SVGFEImageElement::notifyFinished(CachedResource *finishedObj)
{
if (finishedObj == m_cachedImage && m_filterEffect) {
m_filterEffect->setCachedImage(m_cachedImage);
}
}
SVGFEImage *SVGFEImageElement::filterEffect(SVGResourceFilter *filter) const
{
if (!m_filterEffect) {
m_filterEffect = new SVGFEImage(filter);
}
// The resource may already be loaded!
if (m_cachedImage) {
m_filterEffect->setCachedImage(m_cachedImage);
}
setStandardAttributes(m_filterEffect);
return m_filterEffect;
}
void SVGFEImageElement::getSubresourceAttributeStrings(Vector<String> &urls) const
{
urls.append(href());
}
}
#endif // ENABLE(SVG)
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