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1 /* | |
2 * Copyright (C) 2007, 2008, 2009, 2010 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 COMPUTER, 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 COMPUTER, 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 #include "config.h" | |
26 | |
27 #include "QTTrack.h" | |
28 | |
29 #include <Movies.h> | |
30 #include <QTML.h> | |
31 | |
32 using namespace std; | |
33 | |
34 class QTTrackPrivate { | |
35 WTF_MAKE_NONCOPYABLE(QTTrackPrivate); | |
36 public: | |
37 QTTrackPrivate(); | |
38 ~QTTrackPrivate(); | |
39 | |
40 QTTrack* m_track; | |
41 Track m_trackHandle; | |
42 }; | |
43 | |
44 QTTrackPrivate::QTTrackPrivate() | |
45 : m_track(0) | |
46 , m_trackHandle(0) | |
47 { | |
48 } | |
49 | |
50 QTTrackPrivate::~QTTrackPrivate() | |
51 { | |
52 m_trackHandle = 0; | |
53 } | |
54 | |
55 PassRefPtr<QTTrack> QTTrack::create(Track trackHandle) | |
56 { | |
57 return adoptRef(new QTTrack(trackHandle)); | |
58 } | |
59 | |
60 QTTrack::QTTrack(Track trackHandle) | |
61 : m_private(new QTTrackPrivate()) | |
62 { | |
63 m_private->m_track = this; | |
64 m_private->m_trackHandle = trackHandle; | |
65 } | |
66 | |
67 QTTrack::~QTTrack() | |
68 { | |
69 delete m_private; | |
70 } | |
71 | |
72 bool QTTrack::isEnabled() const | |
73 { | |
74 ASSERT(m_private->m_track); | |
75 return GetTrackEnabled(m_private->m_trackHandle); | |
76 } | |
77 | |
78 void QTTrack::setEnabled(bool enabled) | |
79 { | |
80 ASSERT(m_private->m_trackHandle); | |
81 SetTrackEnabled(m_private->m_trackHandle, enabled); | |
82 } | |
83 | |
84 CGAffineTransform QTTrack::getTransform() const | |
85 { | |
86 ASSERT(m_private->m_trackHandle); | |
87 MatrixRecord m = {0}; | |
88 GetTrackMatrix(m_private->m_trackHandle, &m); | |
89 | |
90 ASSERT(!m.matrix[0][2]); | |
91 ASSERT(!m.matrix[1][2]); | |
92 CGAffineTransform transform = CGAffineTransformMake( | |
93 Fix2X(m.matrix[0][0]), | |
94 Fix2X(m.matrix[0][1]), | |
95 Fix2X(m.matrix[1][0]), | |
96 Fix2X(m.matrix[1][1]), | |
97 Fix2X(m.matrix[2][0]), | |
98 Fix2X(m.matrix[2][1])); | |
99 | |
100 return transform; | |
101 } | |
102 | |
103 void QTTrack::setTransform(CGAffineTransform t) | |
104 { | |
105 ASSERT(m_private->m_trackHandle); | |
106 MatrixRecord m = {{ | |
107 {X2Fix(t.a), X2Fix(t.b), 0}, | |
108 {X2Fix(t.c), X2Fix(t.d), 0}, | |
109 {X2Fix(t.tx), X2Fix(t.ty), fract1}, | |
110 }}; | |
111 | |
112 SetTrackMatrix(m_private->m_trackHandle, &m); | |
113 } | |
114 | |
115 void QTTrack::resetTransform() | |
116 { | |
117 ASSERT(m_private->m_trackHandle); | |
118 SetTrackMatrix(m_private->m_trackHandle, 0); | |
119 } | |
120 | |
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