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zoominterface.h
1/***************************************************************************
2 zoominterface.h - description
3 -------------------
4 begin : Fri Sep 12 2003
5 copyright : (C) 2003 by Friedrich W. H. Kossebau
6 email : Friedrich.W.H@Kossebau.de
7 ***************************************************************************/
8
9/***************************************************************************
10 * *
11 * This library is free software; you can redistribute it and/or *
12 * modify it under the terms of the GNU Library General Public *
13 * License version 2 as published by the Free Software Foundation. *
14 * *
15 ***************************************************************************/
16
17
18#ifndef ZOOMINTERFACE_H
19#define ZOOMINTERFACE_H
20
21
22namespace KHE
23{
24
35class ZoomInterface
36{
37 public:
41 virtual void zoomIn( int PointInc ) = 0;
45 virtual void zoomIn() = 0;
49 virtual void zoomOut( int PointDec ) = 0;
53 virtual void zoomOut() = 0;
57 virtual void zoomTo( int PointSize ) = 0;
59 virtual void unZoom() = 0;
60};
61
62
68template<class T>
69ZoomInterface *zoomInterface( T *t )
70{
71 if( !t )
72 return 0;
73
74 return ::tqt_cast<KHE::ZoomInterface*>( t );
75}
76
77}
78
79#endif
KHE::ZoomInterface
A simple interface for zooming.
Definition: zoominterface.h:36
KHE::ZoomInterface::zoomIn
virtual void zoomIn(int PointInc)=0
enlarges the display
KHE::ZoomInterface::zoomOut
virtual void zoomOut(int PointDec)=0
makes the display smaller
KHE::ZoomInterface::zoomTo
virtual void zoomTo(int PointSize)=0
sets the display size
KHE::ZoomInterface::zoomIn
virtual void zoomIn()=0
increases the display size by an arbitrary value, usually 1 font point
KHE::ZoomInterface::zoomOut
virtual void zoomOut()=0
decreases the display size by an arbitrary value, usually 1 font point
KHE::ZoomInterface::unZoom
virtual void unZoom()=0
resets the display to the default size
KHE
KHE (short for KHexEdit) is KDE's namespace for all things related to the viewing/editing of bytes.
Definition: byteseditinterface.h:33
KHE::zoomInterface
ZoomInterface * zoomInterface(T *t)
tries to get the zoom interface of t
Definition: zoominterface.h:69

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