dia.cpp 2.41 KB
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/******************************************************************************
 *
 * 
 *
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 * Copyright (C) 1997-2014 by Dimitri van Heesch.
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 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation under the terms of the GNU General Public License is hereby 
 * granted. No representations are made about the suitability of this software 
 * for any purpose. It is provided "as is" without express or implied warranty.
 * See the GNU General Public License for more details.
 *
 * Documents produced by Doxygen are derivative works derived from the
 * input used in their production; they are not affected by this license.
 *
 */

#include "dia.h"
#include "portable.h"
#include "config.h"
#include "message.h"
#include "util.h"

#include <qdir.h>

static const int maxCmdLine = 40960;

void writeDiaGraphFromFile(const char *inFile,const char *outDir,
                           const char *outFile,DiaOutputFormat format)
{
  QCString absOutFile = outDir;
  absOutFile+=portable_pathSeparator();
  absOutFile+=outFile;

  // chdir to the output dir, so dot can find the font file.
  QCString oldDir = QDir::currentDirPath().utf8();
  // go to the html output directory (i.e. path)
  QDir::setCurrent(outDir);
  //printf("Going to dir %s\n",QDir::currentDirPath().data());
  QCString diaExe = Config_getString("DIA_PATH")+"dia"+portable_commandExtension();
  QCString diaArgs;
  QCString extension;
  diaArgs+="-n ";
  if (format==DIA_BITMAP)
  {
    diaArgs+="-t png-libart";
    extension=".png";
  }
  else if (format==DIA_EPS)
  {
    diaArgs+="-t eps";
    extension=".eps";
  }

  diaArgs+=" -e \"";
  diaArgs+=outFile;
  diaArgs+=extension+"\"";

  diaArgs+=" \"";
  diaArgs+=inFile;
  diaArgs+="\"";

  int exitCode;
  //printf("*** running: %s %s outDir:%s %s\n",diaExe.data(),diaArgs.data(),outDir,outFile);
  portable_sysTimerStart();
  if ((exitCode=portable_system(diaExe,diaArgs,FALSE))!=0)
  {
    portable_sysTimerStop();
    goto error;
  }
  portable_sysTimerStop();
  if ( (format==DIA_EPS) && (Config_getBool("USE_PDFLATEX")) )
  {
    QCString epstopdfArgs(maxCmdLine);
    epstopdfArgs.sprintf("\"%s.eps\" --outfile=\"%s.pdf\"",
                         outFile,outFile);
    portable_sysTimerStart();
    if (portable_system("epstopdf",epstopdfArgs)!=0)
    {
      err("Problems running epstopdf. Check your TeX installation!\n");
    }
    portable_sysTimerStop();
  }

error:
  QDir::setCurrent(oldDir);
}