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
QTTrackPrivate()44 QTTrackPrivate::QTTrackPrivate()
45 : m_track(0)
46 , m_trackHandle(0)
47 {
48 }
49
~QTTrackPrivate()50 QTTrackPrivate::~QTTrackPrivate()
51 {
52 m_trackHandle = 0;
53 }
54
create(Track trackHandle)55 PassRefPtr<QTTrack> QTTrack::create(Track trackHandle)
56 {
57 return adoptRef(new QTTrack(trackHandle));
58 }
59
QTTrack(Track trackHandle)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
~QTTrack()67 QTTrack::~QTTrack()
68 {
69 delete m_private;
70 }
71
isEnabled() const72 bool QTTrack::isEnabled() const
73 {
74 ASSERT(m_private->m_track);
75 return GetTrackEnabled(m_private->m_trackHandle);
76 }
77
setEnabled(bool enabled)78 void QTTrack::setEnabled(bool enabled)
79 {
80 ASSERT(m_private->m_trackHandle);
81 SetTrackEnabled(m_private->m_trackHandle, enabled);
82 }
83
getTransform() const84 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
setTransform(CGAffineTransform t)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
resetTransform()115 void QTTrack::resetTransform()
116 {
117 ASSERT(m_private->m_trackHandle);
118 SetTrackMatrix(m_private->m_trackHandle, 0);
119 }
120
121