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/*
* Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
* Copyright (C) 2014 Adobe Systems Incorporated. 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"
#include "SVGPatternElement.h"
#include "AffineTransform.h"
#include "Document.h"
#include "FloatConversion.h"
#include "GraphicsContext.h"
#include "ImageBuffer.h"
#include "PatternAttributes.h"
#include "RenderSVGContainer.h"
#include "RenderSVGResourcePattern.h"
#include "SVGFitToViewBox.h"
#include "SVGGraphicsElement.h"
#include "SVGNames.h"
#include "SVGRenderSupport.h"
#include "SVGStringList.h"
#include "SVGTransformable.h"
#include "XLinkNames.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/NeverDestroyed.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGPatternElement);
// Animated property definitions
DEFINE_ANIMATED_LENGTH(SVGPatternElement, SVGNames::xAttr, X, x)
DEFINE_ANIMATED_LENGTH(SVGPatternElement, SVGNames::yAttr, Y, y)
DEFINE_ANIMATED_LENGTH(SVGPatternElement, SVGNames::widthAttr, Width, width)
DEFINE_ANIMATED_LENGTH(SVGPatternElement, SVGNames::heightAttr, Height, height)
DEFINE_ANIMATED_ENUMERATION(SVGPatternElement, SVGNames::patternUnitsAttr, PatternUnits, patternUnits, SVGUnitTypes::SVGUnitType)
DEFINE_ANIMATED_ENUMERATION(SVGPatternElement, SVGNames::patternContentUnitsAttr, PatternContentUnits, patternContentUnits, SVGUnitTypes::SVGUnitType)
DEFINE_ANIMATED_TRANSFORM_LIST(SVGPatternElement, SVGNames::patternTransformAttr, PatternTransform, patternTransform)
DEFINE_ANIMATED_STRING(SVGPatternElement, XLinkNames::hrefAttr, Href, href)
DEFINE_ANIMATED_BOOLEAN(SVGPatternElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
DEFINE_ANIMATED_RECT(SVGPatternElement, SVGNames::viewBoxAttr, ViewBox, viewBox)
DEFINE_ANIMATED_PRESERVEASPECTRATIO(SVGPatternElement, SVGNames::preserveAspectRatioAttr, PreserveAspectRatio, preserveAspectRatio)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGPatternElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(x)
REGISTER_LOCAL_ANIMATED_PROPERTY(y)
REGISTER_LOCAL_ANIMATED_PROPERTY(width)
REGISTER_LOCAL_ANIMATED_PROPERTY(height)
REGISTER_LOCAL_ANIMATED_PROPERTY(patternUnits)
REGISTER_LOCAL_ANIMATED_PROPERTY(patternContentUnits)
REGISTER_LOCAL_ANIMATED_PROPERTY(patternTransform)
REGISTER_LOCAL_ANIMATED_PROPERTY(href)
REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
REGISTER_LOCAL_ANIMATED_PROPERTY(viewBox)
REGISTER_LOCAL_ANIMATED_PROPERTY(preserveAspectRatio)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGElement)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGTests)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGPatternElement::SVGPatternElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document)
, m_x(LengthModeWidth)
, m_y(LengthModeHeight)
, m_width(LengthModeWidth)
, m_height(LengthModeHeight)
, m_patternUnits(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX)
, m_patternContentUnits(SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE)
{
ASSERT(hasTagName(SVGNames::patternTag));
registerAnimatedPropertiesForSVGPatternElement();
}
Ref<SVGPatternElement> SVGPatternElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGPatternElement(tagName, document));
}
bool SVGPatternElement::isSupportedAttribute(const QualifiedName& attrName)
{
static const auto supportedAttributes = makeNeverDestroyed([] {
HashSet<QualifiedName> set;
SVGURIReference::addSupportedAttributes(set);
SVGTests::addSupportedAttributes(set);
SVGLangSpace::addSupportedAttributes(set);
SVGExternalResourcesRequired::addSupportedAttributes(set);
SVGFitToViewBox::addSupportedAttributes(set);
set.add({
SVGNames::patternUnitsAttr.get(), SVGNames::patternContentUnitsAttr.get(), SVGNames::patternTransformAttr.get(),
SVGNames::xAttr.get(), SVGNames::yAttr.get(), SVGNames::widthAttr.get(), SVGNames::heightAttr.get(),
});
return set;
}());
return supportedAttributes.get().contains<SVGAttributeHashTranslator>(attrName);
}
void SVGPatternElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == SVGNames::patternUnitsAttr) {
auto propertyValue = SVGPropertyTraits<SVGUnitTypes::SVGUnitType>::fromString(value);
if (propertyValue > 0)
setPatternUnitsBaseValue(propertyValue);
return;
}
if (name == SVGNames::patternContentUnitsAttr) {
auto propertyValue = SVGPropertyTraits<SVGUnitTypes::SVGUnitType>::fromString(value);
if (propertyValue > 0)
setPatternContentUnitsBaseValue(propertyValue);
return;
}
if (name == SVGNames::patternTransformAttr) {
SVGTransformListValues newList;
newList.parse(value);
detachAnimatedPatternTransformListWrappers(newList.size());
setPatternTransformBaseValue(newList);
return;
}
SVGParsingError parseError = NoError;
if (name == SVGNames::xAttr)
setXBaseValue(SVGLengthValue::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::yAttr)
setYBaseValue(SVGLengthValue::construct(LengthModeHeight, value, parseError));
else if (name == SVGNames::widthAttr)
setWidthBaseValue(SVGLengthValue::construct(LengthModeWidth, value, parseError, ForbidNegativeLengths));
else if (name == SVGNames::heightAttr)
setHeightBaseValue(SVGLengthValue::construct(LengthModeHeight, value, parseError, ForbidNegativeLengths));
reportAttributeParsingError(parseError, name, value);
SVGElement::parseAttribute(name, value);
SVGURIReference::parseAttribute(name, value);
SVGTests::parseAttribute(name, value);
SVGExternalResourcesRequired::parseAttribute(name, value);
SVGFitToViewBox::parseAttribute(this, name, value);
}
void SVGPatternElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGElement::svgAttributeChanged(attrName);
return;
}
InstanceInvalidationGuard guard(*this);
if (attrName == SVGNames::xAttr
|| attrName == SVGNames::yAttr
|| attrName == SVGNames::widthAttr
|| attrName == SVGNames::heightAttr) {
invalidateSVGPresentationAttributeStyle();
return;
}
if (RenderObject* object = renderer())
object->setNeedsLayout();
}
void SVGPatternElement::childrenChanged(const ChildChange& change)
{
SVGElement::childrenChanged(change);
if (change.source == ChildChangeSource::Parser)
return;
if (RenderObject* object = renderer())
object->setNeedsLayout();
}
RenderPtr<RenderElement> SVGPatternElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
return createRenderer<RenderSVGResourcePattern>(*this, WTFMove(style));
}
void SVGPatternElement::collectPatternAttributes(PatternAttributes& attributes) const
{
if (!attributes.hasX() && hasAttribute(SVGNames::xAttr))
attributes.setX(x());
if (!attributes.hasY() && hasAttribute(SVGNames::yAttr))
attributes.setY(y());
if (!attributes.hasWidth() && hasAttribute(SVGNames::widthAttr))
attributes.setWidth(width());
if (!attributes.hasHeight() && hasAttribute(SVGNames::heightAttr))
attributes.setHeight(height());
if (!attributes.hasViewBox() && hasAttribute(SVGNames::viewBoxAttr) && viewBoxIsValid())
attributes.setViewBox(viewBox());
if (!attributes.hasPreserveAspectRatio() && hasAttribute(SVGNames::preserveAspectRatioAttr))
attributes.setPreserveAspectRatio(preserveAspectRatio());
if (!attributes.hasPatternUnits() && hasAttribute(SVGNames::patternUnitsAttr))
attributes.setPatternUnits(patternUnits());
if (!attributes.hasPatternContentUnits() && hasAttribute(SVGNames::patternContentUnitsAttr))
attributes.setPatternContentUnits(patternContentUnits());
if (!attributes.hasPatternTransform() && hasAttribute(SVGNames::patternTransformAttr)) {
AffineTransform transform;
patternTransform().concatenate(transform);
attributes.setPatternTransform(transform);
}
if (!attributes.hasPatternContentElement() && childElementCount())
attributes.setPatternContentElement(this);
}
AffineTransform SVGPatternElement::localCoordinateSpaceTransform(SVGLocatable::CTMScope) const
{
AffineTransform matrix;
patternTransform().concatenate(matrix);
return matrix;
}
Ref<SVGStringList> SVGPatternElement::requiredFeatures()
{
return SVGTests::requiredFeatures(*this);
}
Ref<SVGStringList> SVGPatternElement::requiredExtensions()
{
return SVGTests::requiredExtensions(*this);
}
Ref<SVGStringList> SVGPatternElement::systemLanguage()
{
return SVGTests::systemLanguage(*this);
}
}