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70 lines
1.8 KiB
70 lines
1.8 KiB
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- ***************************** |
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* Qwt Widget Library |
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* Copyright (C) 1997 Josef Wilgen |
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* Copyright (C) 2002 Uwe Rathmann |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the Qwt License, Version 1.0 |
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*****************************************************************************/ |
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#ifndef QWT_ABSTRACT_SCALE_H |
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#define QWT_ABSTRACT_SCALE_H |
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#include "qwt_global.h" |
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class QwtScaleEngine; |
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class QwtAbstractScaleDraw; |
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class QwtScaleDiv; |
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class QwtScaleMap; |
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class QwtDoubleInterval; |
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/*! |
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\brief An abstract base class for classes containing a scale |
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QwtAbstractScale is used to provide classes with a QwtScaleDraw, |
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and a QwtScaleDiv. The QwtScaleDiv might be set explicitely |
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or calculated by a QwtScaleEngine. |
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*/ |
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class QWT_EXPORT QwtAbstractScale |
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{ |
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public: |
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QwtAbstractScale(); |
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virtual ~QwtAbstractScale(); |
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void setScale(double vmin, double vmax, double step = 0.0); |
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void setScale(const QwtDoubleInterval &, double step = 0.0); |
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void setScale(const QwtScaleDiv &s); |
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void setAutoScale(); |
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bool autoScale() const; |
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void setScaleMaxMajor( int ticks); |
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int scaleMaxMinor() const; |
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void setScaleMaxMinor( int ticks); |
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int scaleMaxMajor() const; |
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void setScaleEngine(QwtScaleEngine *); |
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const QwtScaleEngine *scaleEngine() const; |
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QwtScaleEngine *scaleEngine(); |
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const QwtScaleMap &scaleMap() const; |
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protected: |
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void rescale(double vmin, double vmax, double step = 0.0); |
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void setAbstractScaleDraw(QwtAbstractScaleDraw *); |
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const QwtAbstractScaleDraw *abstractScaleDraw() const; |
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QwtAbstractScaleDraw *abstractScaleDraw(); |
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virtual void scaleChange(); |
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private: |
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void updateScaleDraw(); |
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class PrivateData; |
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PrivateData *d_data; |
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}; |
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#endif
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