1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* 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 "RenderSVGResourceLinearGradient.h"
#include "RenderSVGModelObjectInlines.h"
#include "RenderSVGResourceLinearGradientInlines.h"
#include "SVGElementTypeHelpers.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(RenderSVGResourceLinearGradient);
RenderSVGResourceLinearGradient::RenderSVGResourceLinearGradient(SVGLinearGradientElement& element, RenderStyle&& style)
: RenderSVGResourceGradient(Type::SVGResourceLinearGradient, element, WTFMove(style))
{
}
RenderSVGResourceLinearGradient::~RenderSVGResourceLinearGradient() = default;
void RenderSVGResourceLinearGradient::collectGradientAttributesIfNeeded()
{
if (m_attributes.has_value())
return;
Ref linearGradientElement = this->linearGradientElement();
linearGradientElement->synchronizeAllAttributes();
auto attributes = LinearGradientAttributes { };
if (linearGradientElement->collectGradientAttributes(attributes))
m_attributes = WTFMove(attributes);
}
RefPtr<Gradient> RenderSVGResourceLinearGradient::createGradient(const RenderStyle& style)
{
if (!m_attributes)
return nullptr;
Ref linearGradientElement = this->linearGradientElement();
auto startPoint = SVGLengthContext::resolvePoint(linearGradientElement.ptr(), m_attributes->gradientUnits(), m_attributes->x1(), m_attributes->y1());
auto endPoint = SVGLengthContext::resolvePoint(linearGradientElement.ptr(), m_attributes->gradientUnits(), m_attributes->x2(), m_attributes->y2());
return Gradient::create(
Gradient::LinearData { startPoint, endPoint },
{ ColorInterpolationMethod::SRGB { }, AlphaPremultiplication::Unpremultiplied },
platformSpreadMethodFromSVGType(m_attributes->spreadMethod()),
stopsByApplyingColorFilter(m_attributes->stops(), style),
RenderingResourceIdentifier::generate()
);
}
}
|
