kis_canvas_controller.h

/*
 *  Copyright (c) 2003 Patrick Julien <freak@codepimps.org>
 *
 *  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.
 */
 
#ifndef KIS_CANVAS_CONTROLLER_H_
#define KIS_CANVAS_CONTROLLER_H_
 
#include <tqglobal.h>
#include <tqpoint.h>
#include <tqrect.h>
#include "kis_types.h"
 
class TQWidget;
class KisTool;
class KisRect;
class KisPoint;
class KisCanvas;
class KisInputDevice;
 
class KisCanvasController {
public:
    KisCanvasController() {};
    virtual ~KisCanvasController() {};
 
public:
 
    virtual KisCanvas *kiscanvas() const = 0;
 
 
    virtual TQ_INT32 horzValue() const = 0;
 
    virtual TQ_INT32 vertValue() const = 0;
    
    virtual void scrollTo(TQ_INT32 x, TQ_INT32 y) = 0;
    
    virtual void updateCanvas() = 0;
 
 
    virtual void updateCanvas(TQ_INT32 x, TQ_INT32 y, TQ_INT32 w, TQ_INT32 h) = 0;
 
    virtual void updateCanvas(const TQRect& rc) = 0;
    
    virtual void zoomIn() = 0;
 
    virtual void zoomIn(TQ_INT32 x, TQ_INT32 y) = 0;
    
    virtual void zoomOut() = 0;
 
 
    virtual void zoomOut(TQ_INT32 x, TQ_INT32 y) = 0;
    
    virtual void zoomAroundPoint(double x, double y, double zf) = 0;
 
    virtual void zoomTo(TQ_INT32 x, TQ_INT32 y, TQ_INT32 w, TQ_INT32 h) = 0;
 
    virtual void zoomTo(const TQRect& r) = 0;
    
    virtual void zoomTo(const KisRect& r) = 0;
    
    virtual TQPoint viewToWindow(const TQPoint& pt) = 0;
    virtual KisPoint viewToWindow(const KisPoint& pt) = 0;
    virtual TQRect viewToWindow(const TQRect& rc) = 0;
    virtual KisRect viewToWindow(const KisRect& rc) = 0;
    virtual void viewToWindow(TQ_INT32 *x, TQ_INT32 *y) = 0;
    
    virtual TQPoint windowToView(const TQPoint& pt) = 0;
    virtual KisPoint windowToView(const KisPoint& pt) = 0;
    virtual TQRect windowToView(const TQRect& rc) = 0;
    virtual KisRect windowToView(const KisRect& rc) = 0;
    virtual void windowToView(TQ_INT32 *x, TQ_INT32 *y) = 0;
    
    virtual TQCursor setCanvasCursor(const TQCursor & cursor) = 0;
    
    virtual void setInputDevice(KisInputDevice inputDevice) = 0;
 
    virtual KisInputDevice currentInputDevice() const = 0;
 
 
private:
    KisCanvasController(const KisCanvasController&);
    KisCanvasController& operator=(const KisCanvasController&);
};
 
#endif // KIS_CANVAS_CONTROLLER_H_