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/*
* Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
* Copyright (C) 2021, 2022, 2023 Igalia S.L.
*
* 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 "RenderSVGResourceRadialGradient.h"
#include "RenderSVGModelObjectInlines.h"
#include "RenderSVGResourceRadialGradientInlines.h"
#include "RenderSVGShape.h"
#include "SVGElementTypeHelpers.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(RenderSVGResourceRadialGradient);
RenderSVGResourceRadialGradient::RenderSVGResourceRadialGradient(SVGRadialGradientElement& element, RenderStyle&& style)
: RenderSVGResourceGradient(Type::SVGResourceRadialGradient, element, WTFMove(style))
{
}
RenderSVGResourceRadialGradient::~RenderSVGResourceRadialGradient() = default;
void RenderSVGResourceRadialGradient::collectGradientAttributesIfNeeded()
{
if (m_attributes.has_value())
return;
Ref radialGradientElement = this->radialGradientElement();
radialGradientElement->synchronizeAllAttributes();
auto attributes = RadialGradientAttributes { };
if (radialGradientElement->collectGradientAttributes(attributes))
m_attributes = WTFMove(attributes);
}
RefPtr<Gradient> RenderSVGResourceRadialGradient::createGradient(const RenderStyle& style)
{
if (!m_attributes)
return nullptr;
Ref radialGradientElement = this->radialGradientElement();
auto centerPoint = SVGLengthContext::resolvePoint(radialGradientElement.ptr(), m_attributes->gradientUnits(), m_attributes->cx(), m_attributes->cy());
auto radius = SVGLengthContext::resolveLength(radialGradientElement.ptr(), m_attributes->gradientUnits(), m_attributes->r());
auto focalPoint = SVGLengthContext::resolvePoint(radialGradientElement.ptr(), m_attributes->gradientUnits(), m_attributes->fx(), m_attributes->fy());
auto focalRadius = SVGLengthContext::resolveLength(radialGradientElement.ptr(), m_attributes->gradientUnits(), m_attributes->fr());
return Gradient::create(
Gradient::RadialData { focalPoint, centerPoint, focalRadius, radius, 1 },
{ ColorInterpolationMethod::SRGB { }, AlphaPremultiplication::Unpremultiplied },
platformSpreadMethodFromSVGType(m_attributes->spreadMethod()),
stopsByApplyingColorFilter(m_attributes->stops(), style),
RenderingResourceIdentifier::generate()
);
}
}
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