canvas.h

swain-0.5.2.zip的源代码,比较好用,希望大家喜欢.

/*
This file is part of SWAIN (http://sourceforge.net/projects/swain).
Copyright (C) 2006  Daniel Lindstr鰉 and Daniel Nilsson

This program 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.

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 General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA  02110-1301, USA.
*/
#pragma once

// Forward declaration of classes defined in this file, must be before includes.
class Canvas;

#include "coords.h"
#include "ViewPort.h"
#include "ObjectManager.h"
#include "Object.h"
#include "Tool.h"

class Canvas {
private:
	ObjectManager *objman;
	ViewPort *viewport;
	Tool *tool;
	FRECT fextents;
	RECT extents;

public:
	Canvas(ObjectManager *om, ViewPort *vp);
	~Canvas(void);

	void redraw(void);
	void redraw(FRECT *rect);
	void objectAdded(Object *obj);
	void objectMoved(Object *obj, FRECT *oldrect);
	void objectChanged(Object *obj, FRECT *changed);
	void objectDeleted(FRECT *rect);
	void mouseDown(FPOINT *point);
	void mouseUp(FPOINT *point);
	void mouseDragged(FPOINT *point);
	void setTool(Tool *t);
	void setExtents(FRECT *frect, RECT *rect);
	void getExtents(FRECT *frect, RECT *rect);
};