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Diffstat (limited to 'kghostview/kgvdocument.h')
| -rw-r--r-- | kghostview/kgvdocument.h | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/kghostview/kgvdocument.h b/kghostview/kgvdocument.h new file mode 100644 index 00000000..960843f8 --- /dev/null +++ b/kghostview/kgvdocument.h @@ -0,0 +1,195 @@ +/** + * Copyright (C) 1997-2003 the KGhostView authors. See file AUTHORS. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef __KGV_DOCUMENT_H__ +#define __KGV_DOCUMENT_H__ + +#include <qprinter.h> +#include <qsize.h> +#include <qstring.h> + +#include "kgv.h" +#include "dscparse_adapter.h" +#include "kgv_view.h" + +class KPrinter; +class KTempFile; +class Pdf2dsc; + +class KGVDocument : public QObject +{ + Q_OBJECT + +public: + enum Format { PS, PDF }; + + KGVDocument( KGVPart* part, const char* name = 0 ); + ~KGVDocument(); + + void readSettings(); + + /** + * Is a file currently open? + */ + bool isOpen() const; + + /** + * Open the @em local file @p filename asynchronously. + */ + void openFile( const QString& filename, const QString& mimetype ); + + /** + * Close the document. + */ + void close(); + + const QString& fileName() const { return _fileName; } + FILE* psFile() { return _psFile; } + + Format format() const { return _format; } + + /** + * @return the document structure for the current document, or 0 if no + * file is loaded. + */ + KDSC* const dsc() const; + + /** + * A list of page media (sizes). + */ + QStringList mediaNames() const; + + const CDSCMEDIA* findMediaByName( const QString& mediaName ) const; + + QSize computePageSize( const QString& pageMedia ) const; + + static QString pageSizeToString( QPrinter::PageSize ); + + /** + * Returns a QString which contains a range representation of @p pageList. + * Examples: [1,3] -> "1,3" + * [1,2,3] -> "1-3" + * [1,3,4,5,8] -> "1,3-5,8" + */ + static QString pageListToRange( const KGV::PageList& ); + +public slots: + void fileChanged( const QString& ); + + void saveAs(); + void print(); + +signals: + /** + * Emitted if a fileChanged() call fails. + */ + void fileChangeFailed(); + + void completed(); + void canceled( const QString& ); + +protected: + void scanDSC(); + void clearTemporaryFiles(); + + /** + * Tries to uncompress the file. Returns true if it uncompressed the file + * ( it changes _fileName to point to the uncompressed version of the file ). + * Else, it does nothing and returns false. + * + * What type of files this is able to uncompress will depend on the + * kdelibs installed. Generally it will work for .gz and .bz2 + */ + bool uncompressFile(); + void openPSFile(const QString &file=QString::null); + +protected: + bool savePages( const QString& saveFileName, + const KGV::PageList& pageList ); + + bool psCopyDoc( const QString& inputFile, const QString& outputFile, + const KGV::PageList& pageList ); + + bool convertFromPDF( const QString& saveFileName, + unsigned int firstPage, unsigned int lastPage ); + +protected slots: + void doOpenFile(); + void openPDFFileContinue( bool pdf2dscResult ); + +private: + FILE* _psFile; + + QString _fileName; + QString _mimetype; + + KGVPart* _part; + + Format _format; + + KTempFile* _tmpUnzipped; + KTempFile* _tmpFromPDF; + KTempFile* _tmpDSC; + + Pdf2dsc* _pdf2dsc; + + QString _interpreterPath; + + bool _isFileOpen; + + KDSC* _dsc; +}; + + +class Pdf2dsc : public QObject +{ + Q_OBJECT + +public: + Pdf2dsc( const QString& ghostscriptPath, QObject* parent = 0, const char* name = 0 ); + ~Pdf2dsc(); + + void run( const QString& pdfName, const QString& dscName ); + void kill(); + +signals: + void finished( bool result ); + +protected slots: + void processExited(); + +private: + KProcess* _process; + QString _ghostscriptPath; +}; + + +inline KDSC* const KGVDocument::dsc() const +{ + return _dsc; +} + +inline bool KGVDocument::isOpen() const +{ + return _isFileOpen; +} + + +#endif + +// vim:sw=4:sts=4:ts=8:sta:tw=78:noet |