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WPGraphics.cpp

/* libwpg
 * Copyright (C) 2006 Ariya Hidayat (ariya@kde.org)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the 
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 
 * Boston, MA  02111-1301 USA
 *
 * For further information visit http://libwpg.sourceforge.net
 */

/* "This product is not manufactured, approved, or supported by
 * Corel Corporation or Corel Corporation Limited."
 */

#include "WPGraphics.h"
#include "WPGHeader.h"
#include "WPGStream.h"
#include "WPGXParser.h"
#include "WPG1Parser.h"
#include "WPG2Parser.h"
#include "libwpg_utils.h"

using namespace libwpg;

bool WPGraphics::isSupported(WPGInputStream* input)
{
      WPGHeader header;
      if(!header.load(input))
            return false;
      
      return header.isSupported();
}

bool WPGraphics::parse(WPGInputStream* input, WPGPaintInterface* painter)
{
      WPGXParser *parser = 0;
      
      WPG_DEBUG_MSG(("Loading header...\n"));
      WPGHeader header;
      if(!header.load(input))
            return false;
      
      if(!header.isSupported())
      {
            WPG_DEBUG_MSG(("Unsupported file format!\n"));
            return false;  
      }
      
      // seek to the start of document
      input->seek(header.startOfDocument());
      
      switch (header.majorVersion()) {
            case 0x01: // WPG1
                  WPG_DEBUG_MSG(("Parsing WPG1\n"));
                  parser = new WPG1Parser(input, painter);
                  parser->parse();
                  break;
            case 0x02: // WPG2
                  WPG_DEBUG_MSG(("Parsing WPG2\n"));
                  parser = new WPG2Parser(input, painter);
                  parser->parse();
                  break;
            default: // other :-)
                  WPG_DEBUG_MSG(("Unknown format\n"));
                  break;
      }
      
      delete parser;
      
      return false;
}
 

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