/******************************************************************************

 *

 * 

 *

 * Copyright (C) 1997-2015 by Dimitri van Heesch.

 *

 * 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);

}