blob: 406fabc81de7d9793908445df02659a978a7271a [file] [log] [blame]
/*
* Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.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"
#include "SVGLineElement.h"
#include "FloatPoint.h"
#include "RenderSVGPath.h"
#include "RenderSVGResource.h"
#include "SVGLengthValue.h"
#include "SVGNames.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/NeverDestroyed.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGLineElement);
// Animated property definitions
DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::x1Attr, X1, x1)
DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::y1Attr, Y1, y1)
DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::x2Attr, X2, x2)
DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::y2Attr, Y2, y2)
DEFINE_ANIMATED_BOOLEAN(SVGLineElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGLineElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(x1)
REGISTER_LOCAL_ANIMATED_PROPERTY(y1)
REGISTER_LOCAL_ANIMATED_PROPERTY(x2)
REGISTER_LOCAL_ANIMATED_PROPERTY(y2)
REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGGraphicsElement)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGLineElement::SVGLineElement(const QualifiedName& tagName, Document& document)
: SVGGraphicsElement(tagName, document)
, m_x1(LengthModeWidth)
, m_y1(LengthModeHeight)
, m_x2(LengthModeWidth)
, m_y2(LengthModeHeight)
{
ASSERT(hasTagName(SVGNames::lineTag));
registerAnimatedPropertiesForSVGLineElement();
}
Ref<SVGLineElement> SVGLineElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGLineElement(tagName, document));
}
bool SVGLineElement::isSupportedAttribute(const QualifiedName& attrName)
{
static const auto supportedAttributes = makeNeverDestroyed([] {
HashSet<QualifiedName> set;
SVGLangSpace::addSupportedAttributes(set);
SVGExternalResourcesRequired::addSupportedAttributes(set);
set.add({ SVGNames::x1Attr.get(), SVGNames::x2Attr.get(), SVGNames::y1Attr.get(), SVGNames::y2Attr.get() });
return set;
}());
return supportedAttributes.get().contains<SVGAttributeHashTranslator>(attrName);
}
void SVGLineElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
SVGParsingError parseError = NoError;
if (name == SVGNames::x1Attr)
setX1BaseValue(SVGLengthValue::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::y1Attr)
setY1BaseValue(SVGLengthValue::construct(LengthModeHeight, value, parseError));
else if (name == SVGNames::x2Attr)
setX2BaseValue(SVGLengthValue::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::y2Attr)
setY2BaseValue(SVGLengthValue::construct(LengthModeHeight, value, parseError));
reportAttributeParsingError(parseError, name, value);
SVGGraphicsElement::parseAttribute(name, value);
SVGExternalResourcesRequired::parseAttribute(name, value);
}
void SVGLineElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGGraphicsElement::svgAttributeChanged(attrName);
return;
}
InstanceInvalidationGuard guard(*this);
bool isLengthAttribute = attrName == SVGNames::x1Attr
|| attrName == SVGNames::y1Attr
|| attrName == SVGNames::x2Attr
|| attrName == SVGNames::y2Attr;
if (isLengthAttribute)
updateRelativeLengthsInformation();
auto* renderer = downcast<RenderSVGShape>(this->renderer());
if (!renderer)
return;
if (isLengthAttribute) {
renderer->setNeedsShapeUpdate();
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
return;
}
if (SVGLangSpace::isKnownAttribute(attrName) || SVGExternalResourcesRequired::isKnownAttribute(attrName)) {
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
return;
}
ASSERT_NOT_REACHED();
}
bool SVGLineElement::selfHasRelativeLengths() const
{
return x1().isRelative()
|| y1().isRelative()
|| x2().isRelative()
|| y2().isRelative();
}
}