freepascal.compiler/packages/extra/ptc/clipperd.inc

{
    Free Pascal port of the OpenPTC C++ library.
    Copyright (C) 2001-2003  Nikolay Nikolov ([email protected])
    Original C++ version by Glenn Fiedler ([email protected])

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
}

Type
  TPTCClipper=Class(TObject)
  Public
    { clip a single area against clip area }
    Class Function Clip(Const AArea, AClip : TPTCArea) : TPTCArea;
    { clip source and destination areas against source and destination clip areas }
    Class Procedure Clip(Const ASource, AClipSource, AClippedSource,
                         ADestination, AClipDestination,
                         AClippedDestination : TPTCArea);
  End;