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
32using namespace std;
33
34class QTTrackPrivate {
35    WTF_MAKE_NONCOPYABLE(QTTrackPrivate);
36public:
37    QTTrackPrivate();
38    ~QTTrackPrivate();
39
40    QTTrack* m_track;
41    Track m_trackHandle;
42};
43
44QTTrackPrivate::QTTrackPrivate()
45    : m_track(0)
46    , m_trackHandle(0)
47{
48}
49
50QTTrackPrivate::~QTTrackPrivate()
51{
52    m_trackHandle = 0;
53}
54
55PassRefPtr<QTTrack> QTTrack::create(Track trackHandle)
56{
57    return adoptRef(new QTTrack(trackHandle));
58}
59
60QTTrack::QTTrack(Track trackHandle)
61    : m_private(new QTTrackPrivate())
62{
63    m_private->m_track = this;
64    m_private->m_trackHandle = trackHandle;
65}
66
67QTTrack::~QTTrack()
68{
69    delete m_private;
70}
71
72bool QTTrack::isEnabled() const
73{
74    ASSERT(m_private->m_track);
75    return GetTrackEnabled(m_private->m_trackHandle);
76}
77
78void QTTrack::setEnabled(bool enabled)
79{
80    ASSERT(m_private->m_trackHandle);
81    SetTrackEnabled(m_private->m_trackHandle, enabled);
82}
83
84CGAffineTransform 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
103void 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
115void QTTrack::resetTransform()
116{
117    ASSERT(m_private->m_trackHandle);
118    SetTrackMatrix(m_private->m_trackHandle, 0);
119}
120
121