| /* |
| * 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(); |
| } |
| |
| } |