Eneboo - Documentación para desarrolladores: Fichero Fuente src/qwt/src/qwt_scale

Eneboo - Documentación para desarrolladores
00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
00002  * Qwt Widget Library
00003  * Copyright (C) 1997   Josef Wilgen
00004  * Copyright (C) 2002   Uwe Rathmann
00005  * 
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the Qwt License, Version 1.0
00008  *****************************************************************************/
00009 
00010 #ifndef QWT_SCALE_DRAW_H
00011 #define QWT_SCALE_DRAW_H
00012 
00013 #include <qpoint.h>
00014 #include "qwt_global.h"
00015 #include "qwt_abstract_scale_draw.h"
00016 
00030 class QWT_EXPORT QwtScaleDraw: public QwtAbstractScaleDraw
00031 {
00032 public:
00037     enum Alignment { BottomScale, TopScale, LeftScale, RightScale };
00038 
00039     QwtScaleDraw();
00040     QwtScaleDraw(const QwtScaleDraw &);
00041 
00042     virtual ~QwtScaleDraw();
00043 
00044     QwtScaleDraw &operator=(const QwtScaleDraw &other);
00045 
00046     void getBorderDistHint(const QFont &, int &start, int &end) const;
00047     int minLabelDist(const QFont &) const;
00048 
00049     int minLength(const QPen &, const QFont &) const;
00050     virtual int extent(const QPen &, const QFont &) const;
00051 
00052     void move(int x, int y);
00053     void move(const QPoint &);
00054     void setLength(int length);
00055 
00056     Alignment alignment() const;
00057     void setAlignment(Alignment);
00058 
00059     Qt::Orientation orientation() const;
00060 
00061     QPoint pos() const;
00062     int length() const;
00063 
00064 #if QT_VERSION < 0x040000
00065     void setLabelAlignment(int);
00066     int labelAlignment() const;
00067 #else
00068     void setLabelAlignment(Qt::Alignment);
00069     Qt::Alignment labelAlignment() const;
00070 #endif
00071 
00072     void setLabelRotation(double rotation);
00073     double labelRotation() const;
00074 
00075     int maxLabelHeight(const QFont &) const;
00076     int maxLabelWidth(const QFont &) const;
00077 
00078     QPoint labelPosition(double val) const;
00079 
00080     QRect labelRect(const QFont &, double val) const;
00081     QSize labelSize(const QFont &, double val) const;
00082 
00083     QRect boundingLabelRect(const QFont &, double val) const;
00084 
00085 protected:
00086 
00087 #if QT_VERSION < 0x040000
00088     QWMatrix labelMatrix(const QPoint &, const QSize &) const;
00089 #else   
00090     QMatrix labelMatrix(const QPoint &, const QSize &) const;
00091 #endif  
00092 
00093     virtual void drawTick(QPainter *p, double val, int len) const;
00094     virtual void drawBackbone(QPainter *p) const;
00095     virtual void drawLabel(QPainter *p, double val) const;
00096 
00097 private:
00098     void updateMap();
00099 
00100     class PrivateData;
00101     PrivateData *d_data;
00102 };
00103 
00104 inline void QwtScaleDraw::move(int x, int y)
00105 {
00106     move(QPoint(x, y));
00107 }
00108 
00109 #endif