File: SourceBrush.cpp

package info (click to toggle)
webkit2gtk 2.42.2-1~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 362,452 kB
  • sloc: cpp: 2,881,971; javascript: 282,447; ansic: 134,088; python: 43,789; ruby: 18,308; perl: 15,872; asm: 14,389; xml: 4,395; yacc: 2,350; sh: 2,074; java: 1,734; lex: 1,323; makefile: 288; pascal: 60
file content (112 lines) | stat: -rw-r--r-- 3,856 bytes parent folder | download | duplicates (2)
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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
/*
 * Copyright (C) 2022-2023 Apple Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "SourceBrush.h"

namespace WebCore {

SourceBrush::SourceBrush(const Color& color, std::optional<Brush>&& brush)
    : m_color(color)
    , m_brush(WTFMove(brush))
{
}

const AffineTransform& SourceBrush::gradientSpaceTransform() const
{
    if (!m_brush)
        return identity;
    if (auto* logicalGradient = std::get_if<Brush::LogicalGradient>(&m_brush->brush))
        return logicalGradient->spaceTransform;
    return identity;
}

Gradient* SourceBrush::gradient() const
{
    if (!m_brush)
        return nullptr;
    if (auto* logicalGradient = std::get_if<Brush::LogicalGradient>(&m_brush->brush)) {
        if (auto* gradient = std::get_if<Ref<Gradient>>(&logicalGradient->gradient))
            return gradient->ptr();
    }
    return nullptr;
}

std::optional<RenderingResourceIdentifier> SourceBrush::gradientIdentifier() const
{
    if (!m_brush)
        return std::nullopt;

    auto* gradient = std::get_if<Brush::LogicalGradient>(&m_brush->brush);
    if (!gradient)
        return std::nullopt;

    return WTF::switchOn(gradient->gradient,
        [] (const Ref<Gradient>& gradient) -> std::optional<RenderingResourceIdentifier> {
            if (!gradient->hasValidRenderingResourceIdentifier())
                return std::nullopt;
            return gradient->renderingResourceIdentifier();
        },
        [] (RenderingResourceIdentifier renderingResourceIdentifier) -> std::optional<RenderingResourceIdentifier> {
            return renderingResourceIdentifier;
        }
    );
}

Pattern* SourceBrush::pattern() const
{
    if (!m_brush)
        return nullptr;
    if (auto* pattern = std::get_if<Ref<Pattern>>(&m_brush->brush))
        return pattern->ptr();
    return nullptr;
}

void SourceBrush::setGradient(Ref<Gradient>&& gradient, const AffineTransform& spaceTransform)
{
    m_brush = Brush { Brush::LogicalGradient { { WTFMove(gradient) }, spaceTransform } };
}

void SourceBrush::setPattern(Ref<Pattern>&& pattern)
{
    m_brush = Brush { Brush::Variant { std::in_place_type<Ref<Pattern>>, WTFMove(pattern) } };
}

WTF::TextStream& operator<<(TextStream& ts, const SourceBrush& brush)
{
    ts.dumpProperty("color", brush.color());

    if (auto gradient = brush.gradient()) {
        ts.dumpProperty("gradient", *gradient);
        ts.dumpProperty("gradient-space-transform", brush.gradientSpaceTransform());
    }

    if (auto pattern = brush.pattern())
        ts.dumpProperty("pattern", pattern);

    return ts;
}

} // namespace WebCore