/* -*- C++ -*-

  $Id: ShearCmd.cc,v 1.3 1999/09/23 06:54:16 sattler Exp $

  This file is part of KIllustrator.
  Copyright (C) 1998 Kai-Uwe Sattler (kus@iti.cs.uni-magdeburg.de)

  This program 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 program 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 Library General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#include <iostream.h>
#include "ShearCmd.h"
#include <klocale.h>
#include <kapp.h>

ShearCmd::ShearCmd (GDocument* doc, const Coord& center, float x, float y) :
  ObjectManipCmd (doc, i18n("Shear")) {
  rcenter = center;
  sx = x;
  sy = y;
}

void ShearCmd::execute () {
  QWMatrix m1, m2, m3;
  m1.translate (-rcenter.x (), -rcenter.y ());
  m2.shear (sx, sy);
  m3.translate (rcenter.x (), rcenter.y ());

  ObjectManipCmd::execute ();

  for (unsigned int i = 0; i < objects.count (); i++) {
    objects[i]->transform (m1);
    objects[i]->transform (m2);
    objects[i]->transform (m3, true);
  }
}

