/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
/***************************************************************************
 *            genimage.cc
 *
 *  Wed Mar 16 11:56:22 CET 2011
 *  Copyright 2011 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of Pracro.
 *
 *  Pracro 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.
 *
 *  Pracro 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 Pracro; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#include "genimage.h"

#include <QImage>
#include <QPixmap>

#include <QDir>
#include <QDomDocument>

#include <widgets.h>

QString cpr;
QString user;
QFont fixedfont;

extern QString output;

QString genImage(QString xml, int idx)
{
  QDomDocument node;
  node.setContent(xml);

  QDomElement e = node.documentElement();

  QString imgfile = e.tagName() + QString::number(idx) + ".png";

  Window w(node, NULL);
  w.qwidget()->show();
  w.setValues();

  QPixmap pix = QPixmap::grabWidget(w.qwidget(), 0, 0);
  QImage img = pix.toImage();
  QRgb bg = img.pixel(img.width() - 1, img.height() - 1);

  int cropvert = img.height();
  int crophorz = img.width();
  for(int y = img.height() - 1; y > 0; y--) {
    for(int x = 0; x < img.width(); x++) {
      if(img.pixel(x, y) != bg) {
        cropvert = y;
        y = -1; // break out of y for-loop
        break;
      }
    }
  }

  for(int x = img.width() - 1; x > 0; x--) {
    for(int y = 0; y < img.height(); y++) {
      if(img.pixel(x, y) != bg) {
        crophorz = x;
        x = -1; // break out of x for-loop
        break;
      }
    }
  }

  img = img.copy(0,0, crophorz + 12, cropvert + 12);
  QDir d;d.mkdir(output + "/gfx/");
  img.save(output + "/gfx/" + imgfile);

  return imgfile;
}