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

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_PAINTER_H
00011 #define QWT_PAINTER_H
00012 
00013 #include <qpoint.h>
00014 #include <qrect.h>
00015 #include "qwt_global.h"
00016 #include "qwt_layout_metrics.h"
00017 #include "qwt_polygon.h"
00018 
00019 class QPainter;
00020 class QBrush;
00021 class QColor;
00022 class QWidget;
00023 class QwtScaleMap;
00024 class QwtColorMap;
00025 class QwtDoubleInterval;
00026 
00027 #if QT_VERSION < 0x040000
00028 class QColorGroup;
00029 class QSimpleRichText;
00030 #else
00031 class QPalette;
00032 class QTextDocument;
00033 #endif
00034 
00035 #if defined(Q_WS_X11)
00036 // Warning: QCOORD_MIN, QCOORD_MAX are wrong on X11.
00037 #define QWT_COORD_MAX 16384
00038 #define QWT_COORD_MIN (-QWT_COORD_MAX - 1)
00039 #else
00040 #define QWT_COORD_MAX 2147483647
00041 #define QWT_COORD_MIN -QWT_COORD_MAX - 1
00042 #endif
00043 
00062 class QWT_EXPORT QwtPainter
00063 {
00064 public:
00065     static void setMetricsMap(const QPaintDevice *layout,
00066         const QPaintDevice *device);
00067     static void setMetricsMap(const QwtMetricsMap &);
00068     static void resetMetricsMap();
00069     static const QwtMetricsMap &metricsMap();
00070 
00071     static void setDeviceClipping(bool);
00072     static bool deviceClipping();
00073 
00074     static void setClipRect(QPainter *, const QRect &);
00075 
00076     static void drawText(QPainter *, int x, int y, 
00077         const QString &);
00078     static void drawText(QPainter *, const QPoint &, 
00079         const QString &);
00080     static void drawText(QPainter *, int x, int y, int w, int h, 
00081         int flags, const QString &);
00082     static void drawText(QPainter *, const QRect &, 
00083         int flags, const QString &);
00084 
00085 #ifndef QT_NO_RICHTEXT
00086 #if QT_VERSION < 0x040000
00087     static void drawSimpleRichText(QPainter *, const QRect &,
00088         int flags, QSimpleRichText &);
00089 #else
00090     static void drawSimpleRichText(QPainter *, const QRect &,
00091         int flags, QTextDocument &);
00092 #endif
00093 #endif
00094 
00095     static void drawRect(QPainter *, int x, int y, int w, int h);
00096     static void drawRect(QPainter *, const QRect &rect);
00097     static void fillRect(QPainter *, const QRect &, const QBrush &); 
00098 
00099     static void drawEllipse(QPainter *, const QRect &);
00100     static void drawPie(QPainter *, const QRect & r, int a, int alen);
00101 
00102     static void drawLine(QPainter *, int x1, int y1, int x2, int y2);
00103     static void drawLine(QPainter *, const QPoint &p1, const QPoint &p2);
00104     static void drawPolygon(QPainter *, const QwtPolygon &pa);
00105     static void drawPolyline(QPainter *, const QwtPolygon &pa);
00106     static void drawPoint(QPainter *, int x, int y);
00107 
00108 #if QT_VERSION < 0x040000
00109     static void drawRoundFrame(QPainter *, const QRect &,
00110         int width, const QColorGroup &cg, bool sunken);
00111 #else
00112     static void drawRoundFrame(QPainter *, const QRect &,
00113         int width, const QPalette &, bool sunken);
00114 #endif
00115     static void drawFocusRect(QPainter *, QWidget *);
00116     static void drawFocusRect(QPainter *, QWidget *, const QRect &);
00117 
00118     static QwtPolygon clip(const QwtPolygon &);
00119 
00120     static void drawColorBar(QPainter *painter, 
00121         const QwtColorMap &, const QwtDoubleInterval &,
00122         const QwtScaleMap &, Qt::Orientation, const QRect &);
00123 
00124 #if QT_VERSION < 0x040000
00125     static void setSVGMode(bool on);
00126     static bool isSVGMode();
00127 #endif
00128 
00129 private:
00130     static void drawColoredArc(QPainter *, const QRect &,
00131         int peak, int arc, int intervall, const QColor &c1, const QColor &c2);
00132 
00133     static const QRect &deviceClipRect();
00134 
00135     static bool d_deviceClipping;
00136     static QwtMetricsMap d_metricsMap;
00137 #if QT_VERSION < 0x040000
00138     static bool d_SVGMode;
00139 #endif
00140 };
00141 
00143 inline void QwtPainter::drawLine(QPainter *painter,
00144     const QPoint &p1, const QPoint &p2)
00145 {
00146     drawLine(painter, p1.x(), p1.y(), p2.x(), p2.y());
00147 }
00148 
00149 #endif