1 files changed, 136 insertions, 0 deletions
diff --git a/kbarcode/pixmapbarcode.h b/kbarcode/pixmapbarcode.h
new file mode 100644
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+++ b/kbarcode/pixmapbarcode.h
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+/***************************************************************************
+                         pixmapbarcode.cpp  -  description
+                             -------------------
+    begin                : Mon Nov 22 2004
+    copyright            : (C) 2004 by Dominik Seichter
+    email                : domseichter@web.de
+ ***************************************************************************/
+
+/***************************************************************************
+                                                                          
+    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.                                   
+                                                                          
+ ***************************************************************************/
+
+#ifndef PIXMAPBARCODE_H
+#define PIXMAPBARCODE_H
+
+#include "barkodeengine.h"
+#include <qpixmap.h>
+
+class KTempFile;
+class QPainter;
+
+class PDF417Options : public BarkodeEngineOptions {
+    public:
+        PDF417Options();
+
+        const PDF417Options& operator=( const BarkodeEngineOptions& rhs );
+        void defaults();
+
+        void load( const QDomElement* tag );
+        void save( QDomElement* tag );
+
+        inline int row() const { return m_row; }
+        inline int col() const { return m_col; }
+        inline int err() const { return m_err; }
+        
+        inline void setRow( int r ) { m_row = r; }
+        inline void setCol( int r ) { m_col = r; }
+        inline void setErr( int r ) { m_err = r; }
+        
+    private:
+        int m_row;
+        int m_col;
+        int m_err;
+};
+
+/**
+  * A pixmap based barcode engine which 
+  * uses different commandline tools to 
+  * generate barcodes.
+  * This class is a port of the old BarCode
+  * class to the new Barkode interface.
+  *
+  * @author Dominik Seichter
+  */
+class PixmapBarcode : public BarkodeEngine
+{
+    public:
+        PixmapBarcode();
+        ~PixmapBarcode();
+
+        const PixmapBarcode & operator=( const BarkodeEngine & rhs );
+
+        inline EEngine engine() const;
+        const QSize size() const;
+        void update( const QPaintDevice* device );
+        void drawBarcode( QPainter & painter, int x, int y );
+
+        inline BarkodeEngineOptions* options();
+        
+    private:
+        bool createPixmap( QPixmap* target, int resx, int resy );
+        void createBarcode( QPixmap* target, const QPaintDevice* device );
+        bool createPdf417( KTempFile* output );
+        //QString createTBarcodeCmd();
+
+        virtual bool createPostscript( char** postscript, long* postscript_size );
+
+        /** Mage sure the temporaray file @p file 
+          * gets closed and deleted properly
+          */
+        void cleanUp( KTempFile* file, QPixmap* target );
+        /**
+          * Cut the barcode either on the top or
+          * on the bottom, depending on the text position.
+          *g
+          * @param pic the QPixmap that will be cutted
+          * @param cut a value between 0.0 and 1.0. If cut = 1.0
+          *        then no cut will happen, if cut = 0.5, half of
+          *        the barcode is going to be cutted away.
+          */
+        QPixmap cut( QPixmap* pic, double cut );
+        
+        /**
+          * Add a margin to the QPixmap pic.
+          * @param pic the QPixmap pic which should get a margin
+          */
+        QPixmap addMargin( QPixmap* pic );
+
+    protected:
+        /** Creates a pipe and read the data returned by the command into a buffer.
+         *  \param command the command to execute
+         *  \param buffer pointer to a buffer, will be malloc'ed and has to be free'd
+         *  \param buffer_size pointer to a long where the size of the buffer will be stored
+         *  \returns true if all data could be read sucessfully otherwise false.
+         */
+        bool readFromPipe( const char* command, char** buffer, long* buffer_size );
+
+        /**
+         *  \param postscript a postscript program
+         *  \param postscript_size length of the postscript program
+         *  \returns the BoundingBox of the postscript or EPS file
+         *           so that it can be cropped correctly
+         */
+        virtual QRect bbox( const char* postscript, long postscript_size );
+
+    private:
+        QPixmap p;
+        PDF417Options m_pdf417_options;
+};
+
+EEngine PixmapBarcode::engine() const
+{
+    return PIXMAP;
+}
+
+BarkodeEngineOptions* PixmapBarcode::options()
+{
+    return &m_pdf417_options;
+}
+
+#endif