1/*
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
3 * (C) 2000 Antti Koivisto (koivisto@kde.org)
4 * (C) 2000 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2003, 2005-2008, 2017 Apple Inc. All rights reserved.
6 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB. If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 *
23 */
24
25#pragma once
26
27#include "TransformOperation.h"
28#include <wtf/Ref.h>
29
30namespace WebCore {
31
32class RotateTransformOperation final : public TransformOperation {
33public:
34 static Ref<RotateTransformOperation> create(double angle, OperationType type)
35 {
36 return adoptRef(*new RotateTransformOperation(0, 0, 1, angle, type));
37 }
38
39 static Ref<RotateTransformOperation> create(double x, double y, double z, double angle, OperationType type)
40 {
41 return adoptRef(*new RotateTransformOperation(x, y, z, angle, type));
42 }
43
44 Ref<TransformOperation> clone() const override
45 {
46 return adoptRef(*new RotateTransformOperation(m_x, m_y, m_z, m_angle, type()));
47 }
48
49 double x() const { return m_x; }
50 double y() const { return m_y; }
51 double z() const { return m_z; }
52 double angle() const { return m_angle; }
53
54private:
55 bool isIdentity() const override { return m_angle == 0; }
56 bool isAffectedByTransformOrigin() const override { return !isIdentity(); }
57 bool isRepresentableIn2D() const final { return (!m_x && !m_y) || !m_angle; }
58
59 bool operator==(const TransformOperation&) const override;
60
61 bool apply(TransformationMatrix& transform, const FloatSize& /*borderBoxSize*/) const override
62 {
63 transform.rotate3d(m_x, m_y, m_z, m_angle);
64 return false;
65 }
66
67 Ref<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) override;
68
69 void dump(WTF::TextStream&) const final;
70
71 RotateTransformOperation(double x, double y, double z, double angle, OperationType type)
72 : TransformOperation(type)
73 , m_x(x)
74 , m_y(y)
75 , m_z(z)
76 , m_angle(angle)
77 {
78 ASSERT(isRotateTransformOperationType());
79 }
80
81 double m_x;
82 double m_y;
83 double m_z;
84 double m_angle;
85};
86
87} // namespace WebCore
88
89SPECIALIZE_TYPE_TRAITS_TRANSFORMOPERATION(WebCore::RotateTransformOperation, isRotateTransformOperationType())
90