Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

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