//C- -*- C++ -*- //C- ------------------------------------------------------------------- //C- DjVuLibre-3.5 //C- Copyright (c) 2002 Leon Bottou and Yann Le Cun. //C- Copyright (c) 2001 AT&T //C- //C- This software is subject to, and may be distributed under, the //C- GNU General Public License, either Version 2 of the license, //C- or (at your option) any later version. The license should have //C- accompanied the software or you may obtain a copy of the license //C- from the Free Software Foundation at http://www.fsf.org . //C- //C- This program is distributed in the hope that it will be useful, //C- but WITHOUT ANY WARRANTY; without even the implied warranty of //C- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //C- GNU General Public License for more details. //C- //C- DjVuLibre-3.5 is derived from the DjVu(r) Reference Library from //C- Lizardtech Software. Lizardtech Software has authorized us to //C- replace the original DjVu(r) Reference Library notice by the following //C- text (see doc/lizard2002.djvu and doc/lizardtech2007.djvu): //C- //C- ------------------------------------------------------------------ //C- | DjVu (r) Reference Library (v. 3.5) //C- | Copyright (c) 1999-2001 LizardTech, Inc. All Rights Reserved. //C- | The DjVu Reference Library is protected by U.S. Pat. No. //C- | 6,058,214 and patents pending. //C- | //C- | This software is subject to, and may be distributed under, the //C- | GNU General Public License, either Version 2 of the license, //C- | or (at your option) any later version. The license should have //C- | accompanied the software or you may obtain a copy of the license //C- | from the Free Software Foundation at http://www.fsf.org . //C- | //C- | The computer code originally released by LizardTech under this //C- | license and unmodified by other parties is deemed "the LIZARDTECH //C- | ORIGINAL CODE." Subject to any third party intellectual property //C- | claims, LizardTech grants recipient a worldwide, royalty-free, //C- | non-exclusive license to make, use, sell, or otherwise dispose of //C- | the LIZARDTECH ORIGINAL CODE or of programs derived from the //C- | LIZARDTECH ORIGINAL CODE in compliance with the terms of the GNU //C- | General Public License. This grant only confers the right to //C- | infringe patent claims underlying the LIZARDTECH ORIGINAL CODE to //C- | the extent such infringement is reasonably necessary to enable //C- | recipient to make, have made, practice, sell, or otherwise dispose //C- | of the LIZARDTECH ORIGINAL CODE (or portions thereof) and not to //C- | any greater extent that may be necessary to utilize further //C- | modifications or combinations. //C- | //C- | The LIZARDTECH ORIGINAL CODE is provided "AS IS" WITHOUT WARRANTY //C- | OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED //C- | TO ANY WARRANTY OF NON-INFRINGEMENT, OR ANY IMPLIED WARRANTY OF //C- | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. //C- +------------------------------------------------------------------ #ifndef HDR_QD_PORT #define HDR_QD_PORT #ifdef HAVE_CONFIG_H #include "config.h" #endif #if NEED_GNUG_PRAGMAS # pragma interface #endif #include "DjVuPort.h" #include "DjVuImage.h" #include "DjVuFile.h" #include "DjVuDocument.h" #include "qd_messenger.h" #include class QDPort : public QObject { Q_OBJECT private: class Port : public DjVuPort { public: class QDPort * port; GSafeFlags disabled; // Functions inherited from DjVuPort // request_data() can not be implemented here :( // The reason is that it should RETURN the DataRange IMMEDIATELY // while the main purpose of QDPort is to tunnel requests thru // a pipe for thread synchronization virtual bool inherits(const GUTF8String &class_name) const; virtual bool notify_error(const DjVuPort * source, const GUTF8String &msg); virtual bool notify_status(const DjVuPort * source, const GUTF8String &msg); virtual void notify_redisplay(const DjVuImage * source); virtual void notify_relayout(const DjVuImage * source); virtual void notify_chunk_done(const DjVuPort * source, const GUTF8String &name); virtual void notify_file_flags_changed(const DjVuFile * source, long set_mask, long clr_mask); virtual void notify_doc_flags_changed(const DjVuDocument * source, long set_mask, long clr_mask); virtual void notify_decode_progress(const DjVuPort * source, float done); Port(class QDPort * p) : port(p) {} }; friend class QDPort::Port; GP port; QDMessenger messenger; GPList src_list; GCriticalSection src_lock; bool watch_errors, watch_status; bool sig_error_on, sig_status_on; bool sig_redisplay_on, sig_relayout_on; bool sig_chunk_done_on, sig_file_flags_changed_on; bool sig_doc_flags_changed_on, sig_decode_progress_on; private slots: void slotGeneralMsg(const GUTF8String &msg); protected: virtual void connectNotify(const char *); virtual void disconnectNotify(const char *); signals: void sigNotifyError(const GP & source, const GUTF8String &msg); void sigNotifyStatus(const GP & source, const QString &msg); void sigNotifyRedisplay(const GP & source); void sigNotifyRelayout(const GP & source); void sigNotifyChunkDone(const GP & source, const GUTF8String &name); void sigNotifyFileFlagsChanged(const GP & source, long set_mask, long clr_mask); void sigNotifyDocFlagsChanged(const GP & source, long set_mask, long clr_mask); void sigNotifyDecodeProgress(const GP & source, float done); public: // Functions called by QDPort::Port bool notify_error(const DjVuPort * source, const GUTF8String &msg); bool notify_status(const DjVuPort * source, const GUTF8String &msg); void notify_redisplay(const DjVuImage * source); void notify_relayout(const DjVuImage * source); void notify_chunk_done(const DjVuPort * source, const GUTF8String &name); void notify_file_flags_changed(const DjVuFile * source, long set_mask, long clr_mask); void notify_doc_flags_changed(const DjVuDocument * source, long set_mask, long clr_mask); void notify_decode_progress(const DjVuPort * source, float done); QDMessenger & getMessenger(void); GP getPort(void); QDPort(bool watch_errors, bool watch_status, QObject * parent=0, const char * name=0); virtual ~QDPort(void); }; inline QDMessenger & QDPort::getMessenger(void) { return messenger; } inline GP QDPort::getPort(void) { return (DjVuPort *) port; } inline bool QDPort::Port::inherits(const GUTF8String &class_name) const { return (class_name=="QDPort") || DjVuPort::inherits(class_name); } #endif