mirror of
https://github.com/darlinghq/darling-WebCore.git
synced 2024-11-23 20:39:40 +00:00
103 lines
3.4 KiB
C++
103 lines
3.4 KiB
C++
/*
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* Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
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* Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "SVGStopElement.h"
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#include "Document.h"
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#include "RenderSVGGradientStop.h"
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#include "RenderSVGResource.h"
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#include "SVGGradientElement.h"
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#include "SVGNames.h"
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namespace WebCore {
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// Animated property definitions
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DEFINE_ANIMATED_NUMBER(SVGStopElement, SVGNames::offsetAttr, Offset, offset)
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BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGStopElement)
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REGISTER_LOCAL_ANIMATED_PROPERTY(offset)
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REGISTER_PARENT_ANIMATED_PROPERTIES(SVGElement)
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END_REGISTER_ANIMATED_PROPERTIES
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inline SVGStopElement::SVGStopElement(const QualifiedName& tagName, Document& document)
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: SVGElement(tagName, document)
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, m_offset(0)
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{
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ASSERT(hasTagName(SVGNames::stopTag));
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registerAnimatedPropertiesForSVGStopElement();
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}
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Ref<SVGStopElement> SVGStopElement::create(const QualifiedName& tagName, Document& document)
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{
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return adoptRef(*new SVGStopElement(tagName, document));
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}
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void SVGStopElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
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{
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if (name == SVGNames::offsetAttr) {
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if (value.endsWith('%'))
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setOffsetBaseValue(value.string().left(value.length() - 1).toFloat() / 100.0f);
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else
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setOffsetBaseValue(value.toFloat());
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return;
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}
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SVGElement::parseAttribute(name, value);
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}
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void SVGStopElement::svgAttributeChanged(const QualifiedName& attrName)
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{
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if (attrName == SVGNames::offsetAttr) {
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if (auto renderer = this->renderer()) {
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InstanceInvalidationGuard guard(*this);
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RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
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}
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return;
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}
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SVGElement::svgAttributeChanged(attrName);
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}
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RenderPtr<RenderElement> SVGStopElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
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{
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return createRenderer<RenderSVGGradientStop>(*this, WTFMove(style));
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}
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bool SVGStopElement::rendererIsNeeded(const RenderStyle&)
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{
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return true;
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}
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Color SVGStopElement::stopColorIncludingOpacity() const
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{
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auto* style = renderer() ? &renderer()->style() : nullptr;
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// FIXME: This check for null style exists to address Bug WK 90814, a rare crash condition in
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// which the renderer or style is null. This entire class is scheduled for removal (Bug WK 86941)
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// and we will tolerate this null check until then.
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if (!style)
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return Color(Color::transparent, true); // Transparent black.
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const SVGRenderStyle& svgStyle = style->svgStyle();
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return colorWithOverrideAlpha(svgStyle.stopColor().rgb(), svgStyle.stopOpacity());
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}
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}
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