English
- /*
- * rcanvas.h
- *
- * Redraw canvas for interactor updates.
- *
- * Portable Windows Library
- *
- * Copyright (c) 1993-1998 Equivalence Pty. Ltd.
- *
- * The contents of this file are subject to the Mozilla Public License
- * Version 1.0 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
- *
- * The Original Code is Portable Windows Library.
- *
- * The Initial Developer of the Original Code is Equivalence Pty. Ltd.
- *
- * Portions are Copyright (C) 1993 Free Software Foundation, Inc.
- * All Rights Reserved.
- *
- * Contributor(s): ______________________________________.
- *
- * $Log: rcanvas.h,v $
- * Revision 1.14 1999/03/10 03:49:53 robertj
- * More documentation adjustments.
- *
- * Revision 1.13 1999/03/09 08:01:49 robertj
- * Changed comments for doc++ support (more to come).
- *
- * Revision 1.12 1999/02/16 08:08:46 robertj
- * MSVC 6.0 compatibility changes.
- *
- * Revision 1.11 1998/09/23 06:28:33 robertj
- * Added open source copyright license.
- *
- * Revision 1.10 1995/06/17 11:13:12 robertj
- * Documentation update.
- *
- * Revision 1.9 1995/03/14 12:42:21 robertj
- * Updated documentation to use HTML codes.
- *
- * Revision 1.8 1994/12/21 11:53:24 robertj
- * Documentation and variable normalisation.
- *
- * Revision 1.7 1994/08/23 11:32:52 robertj
- * Oops
- *
- * Revision 1.6 1994/08/22 00:46:48 robertj
- * Added pragma fro GNU C++ compiler.
- *
- * Revision 1.5 1994/06/25 11:55:15 robertj
- * Unix version synchronisation.
- *
- * Revision 1.4 1994/01/03 04:42:23 robertj
- * Mass changes to common container classes and interactors etc etc etc.
- *
- * Revision 1.3 1993/08/21 01:50:33 robertj
- * Made Clone() function optional, default will assert if called.
- *
- * Revision 1.2 1993/07/14 12:49:16 robertj
- * Fixed RCS keywords.
- *
- */
- #define _PREDRAWCANVAS
- #ifdef __GNUC__
- #pragma interface
- #endif
- /**A canvas that is attached to an interactor on the screen but as called from
- within the Ref{PInteractor::OnRedraw()} function of interactors. Unlike a
- Ref{PDrawCanvas} which the user can directly create and draw to at any
- time, the PRedrawCanvas is spcifically for system initiated drawing of the
- screen.
- */
- class PRedrawCanvas : public PInteractorCanvas
- {
- PCLASSINFO(PRedrawCanvas, PInteractorCanvas);
- public:
- /**Create a canvas associated with an interactor on the screen, which is
- being redrawn by the system. Note that this is primarily for internal
- use within the library and the application should never explicitly
- create an instance of this class.
- */
- PRedrawCanvas(
- PInteractor * theInteractor, /// Interactor canvas is attached to.
- BOOL inPixels /// Coordinate system is initially set to pixels.
- );
- /**Destroy the canvas and its resources. Note that this is primarily for
- internal use within the library and the application should never
- explicitly destroy an instance of this class.
- */
- virtual ~PRedrawCanvas();
- #ifdef DOC_PLUS_PLUS
- };
- #endif
- // Class declaration continued in platform specific header file ///////////////
