source: trunk/src/gui/image/qmnghandler.cpp@ 890

Last change on this file since 890 was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.
File size: 13.9 KB
RevLine 
[844]1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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5** Contact: Nokia Corporation ([email protected])
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7** This file is part of the plugins of the Qt Toolkit.
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13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
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18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
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25** rights. These rights are described in the Nokia Qt LGPL Exception
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28** GNU General Public License Usage
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40****************************************************************************/
41
42#include "qmnghandler_p.h"
43
44#include "qimage.h"
45#include "qvariant.h"
46#include "qcolor.h"
47
48#define MNG_USE_SO
49#include <libmng.h>
50
51QT_BEGIN_NAMESPACE
52
53class QMngHandlerPrivate
54{
55 Q_DECLARE_PUBLIC(QMngHandler)
56 public:
57 bool haveReadNone;
58 bool haveReadAll;
59 mng_handle hMNG;
60 QImage image;
61 int elapsed;
62 int nextDelay;
63 int iterCount;
64 int frameIndex;
65 int nextIndex;
66 int frameCount;
67 mng_uint32 iStyle;
68 mng_bool readData(mng_ptr pBuf, mng_uint32 iSize, mng_uint32p pRead);
69 mng_bool writeData(mng_ptr pBuf, mng_uint32 iSize, mng_uint32p pWritten);
70 mng_bool processHeader(mng_uint32 iWidth, mng_uint32 iHeight);
71 QMngHandlerPrivate(QMngHandler *q_ptr);
72 ~QMngHandlerPrivate();
73 bool getNextImage(QImage *result);
74 bool writeImage(const QImage &image);
75 int currentImageNumber() const;
76 int imageCount() const;
77 bool jumpToImage(int imageNumber);
78 bool jumpToNextImage();
79 int nextImageDelay() const;
80 bool setBackgroundColor(const QColor &color);
81 QColor backgroundColor() const;
82 QMngHandler *q_ptr;
83};
84
85static mng_bool myerror(mng_handle /*hMNG*/,
86 mng_int32 iErrorcode,
87 mng_int8 /*iSeverity*/,
88 mng_chunkid iChunkname,
89 mng_uint32 /*iChunkseq*/,
90 mng_int32 iExtra1,
91 mng_int32 iExtra2,
92 mng_pchar zErrortext)