1/*
2 * Copyright (C) 2006, 2008, 2017 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "CanvasPattern.h"
28
29#include "DOMMatrix2DInit.h"
30#include "DOMMatrixReadOnly.h"
31#include "Image.h"
32#include "Pattern.h"
33#include <wtf/text/WTFString.h>
34
35namespace WebCore {
36
37Ref<CanvasPattern> CanvasPattern::create(Ref<Image>&& image, bool repeatX, bool repeatY, bool originClean)
38{
39 return adoptRef(*new CanvasPattern(WTFMove(image), repeatX, repeatY, originClean));
40}
41
42CanvasPattern::CanvasPattern(Ref<Image>&& image, bool repeatX, bool repeatY, bool originClean)
43 : m_pattern(Pattern::create(WTFMove(image), repeatX, repeatY))
44 , m_originClean(originClean)
45{
46}
47
48CanvasPattern::~CanvasPattern() = default;
49
50bool CanvasPattern::parseRepetitionType(const String& type, bool& repeatX, bool& repeatY)
51{
52 if (type.isEmpty() || type == "repeat") {
53 repeatX = true;
54 repeatY = true;
55 return true;
56 }
57 if (type == "no-repeat") {
58 repeatX = false;
59 repeatY = false;
60 return true;
61 }
62 if (type == "repeat-x") {
63 repeatX = true;
64 repeatY = false;
65 return true;
66 }
67 if (type == "repeat-y") {
68 repeatX = false;
69 repeatY = true;
70 return true;
71 }
72 return false;
73}
74
75ExceptionOr<void> CanvasPattern::setTransform(DOMMatrix2DInit&& matrixInit)
76{
77 auto checkValid = DOMMatrixReadOnly::validateAndFixup(matrixInit);
78 if (checkValid.hasException())
79 return checkValid.releaseException();
80
81 m_pattern->setPatternSpaceTransform({ matrixInit.a.valueOr(1), matrixInit.b.valueOr(0), matrixInit.c.valueOr(0), matrixInit.d.valueOr(1), matrixInit.e.valueOr(0), matrixInit.f.valueOr(0) });
82 return { };
83}
84
85} // namespace WebCore
86