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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kfaxview/faxrenderer.h
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
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
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+/***************************************************************************
+ * Copyright (C) 2005 by Stefan Kebekus *
+ * kebekus@kde.org *
+ * *
+ * 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 _FAXRENDERER_H_
+#define _FAXRENDERER_H_
+
+
+#include "documentRenderer.h"
+#include "kfaximage.h"
+
+class documentPage;
+
+/*! \brief Well-documented minimal implementation of a documentRenderer for reading FAX files
+
+This class provides a well-documented reference implementation of a
+documentRenderer, suitable as a starting point for a real-world
+implementation. This class is responsible for document loading and
+rendering. Apart from the constructor and the descructor, it
+implements only the necessary methods setFile() and drawPage().
+*/
+
+class FaxRenderer : public DocumentRenderer
+{
+ Q_OBJECT
+
+public:
+ /** Default constructor
+
+ This constructor simply prints a message (if debugging is
+ enabled) and calls the default constructor.
+ */
+ FaxRenderer(QWidget* parent);
+
+ /** Destructor
+
+ The destructor simpley prints a message if debugging is
+ enabled. It uses the mutex to ensure that this class is not
+ destructed while another thread is currently using it.
+ */
+ ~FaxRenderer();
+
+ /** Opening a file
+
+ This implementation does the necessary consistency checks and
+ complains, e.g. if the file does not exist. It then uses the
+ member 'fax' to load the fax file and initializes the
+ appropriate data structures. The code for loading and rendering
+ is contained in the class "KFaxImage", to keep this reference
+ implementation short.
+
+ @param fname the name of the file that should be opened.
+ */
+ virtual bool setFile(const QString& fname, const KURL &);
+
+ /** Rendering a page
+
+ This implementation first checks if the arguments are in a
+ reasonable range, and error messages are printed if this is not
+ so. Secondly, the page is rendered by the KFaxImage class and
+ the drawn.
+
+ @param res resolution at which drawing should take place
+
+ @param page pointer to a page structur on which we should draw
+ */
+ void drawPage(double res, RenderedDocumentPage* page);
+
+private:
+ /** This class holds the fax file */
+ KFaxImage fax;
+};
+
+#endif