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00020 #ifndef QSAXIS_H
00021 #define QSAXIS_H
00022
00023 #ifdef HAVE_CONFIG_H
00024 #include <config.h>
00025 #endif
00026
00027 #include"qsaxes.h"
00028 #include<qstring.h>
00029 #include<math.h>
00030 #include<list.h>
00031
00032
00033
00034
00041 class QSAxisTic;
00042 class QSAxisTic {
00043
00044 public:
00045 double m_value;
00046 bool m_major;
00047 double m_pos;
00048 int m_angle;
00049 QString m_label;
00050 QSGFont m_font;
00051 QSGLine m_line;
00052 QSGFill m_fill;
00053 bool m_is_fill_defined;
00054 QSAxisTic( double value = 0.0, bool major = true );
00055 ~QSAxisTic();
00056 bool operator<( const QSAxisTic& t ) { return m_pos < t.m_pos; }
00057 };
00058
00059
00060
00064 typedef struct {
00065 double min;
00066 double max;
00067 double base;
00068 int scale;
00069 bool round;
00070 bool reversed;
00071 } axis_remembered_view_t;
00072
00073
00074
00084 class QSAxis : public QSAxesChild
00085 {
00086 Q_OBJECT
00087 friend QSAxes;
00088 Q_PROPERTY( bool visible READ visible WRITE setVisible )
00089 Q_PROPERTY( bool oppositePosition READ oppositePosition WRITE setOppositePosition )
00090 Q_PROPERTY( bool defaultPosition READ defaultPosition WRITE setDefaultPosition )
00091 Q_PROPERTY( bool reversed READ reversed WRITE setReversed )
00092 Q_PROPERTY( bool scrollable READ scrollable WRITE setScrollable )
00093
00094 Q_PROPERTY( QString arrow1 READ arrow1_property WRITE set_arrow1_property )
00095 Q_PROPERTY( QString arrow2 READ arrow2_property WRITE set_arrow2_property )
00096 Q_PROPERTY( double min READ rangeMin WRITE setRangeMin )
00097 Q_PROPERTY( double max READ rangeMax WRITE setRangeMax )
00098 Q_PROPERTY( int scaleType READ scaleType WRITE setScaleType )
00099 Q_PROPERTY( double scaleBase READ scaleBase WRITE setScaleBase )
00100 Q_PROPERTY( double majorGridStep READ majorGridStep WRITE setMajorGridStep )
00101 Q_PROPERTY( double minorGridStep READ minorGridStep WRITE setMinorGridStep )
00102
00103 Q_PROPERTY( double position READ position WRITE setPosition )
00104 Q_PROPERTY( bool ticsVisible READ ticsVisible WRITE setTicsVisible )
00105 Q_PROPERTY( bool ticsOuter READ ticsOuter WRITE setTicsOuter )
00106 Q_PROPERTY( QString ticsFormat READ ticsFormat WRITE setTicsFormat )
00107 Q_PROPERTY( int ticsAngle READ ticsAngle WRITE setTicsAngle )
00108 Q_PROPERTY( bool roundRangeToTicStep READ roundRangeToTicStep WRITE setRoundRangeToTicStep )
00109
00110 Q_PROPERTY( double ticLabelPos1 READ ticLabelPos1 WRITE setTicLabelPos1 )
00111 Q_PROPERTY( double ticLabelPos2 READ ticLabelPos2 WRITE setTicLabelPos2 )
00112 Q_PROPERTY( double titlePosition READ titlePosition WRITE setTitlePosition )
00113 Q_PROPERTY( double titleDistance READ titleDistance WRITE setTitleDistance )
00114
00115 public:
00119 static const double minLogValue;
00123 static const double minScaleBase;
00127 static const double minRangeValue;
00131 static const double maxRangeValue;
00135 static const double minRange;
00136
00140 enum AxisScale { LinearScale, LogScale };
00144 enum AxisRange { RangeSet, RangeVisible, RangeData };
00148 enum AxisType { XAxisType, YAxisType, ZAxisType, VAxisType, UnknownAxisType };
00153 QSAxis( AxisType type, QSAxes *parentAxes, const char *name=0 );
00157 virtual ~QSAxis();
00161 double dataToWorld( double value ) const;
00165 double worldToData( double value ) const;
00169 AxisType type() const { return m_type; }
00173 void setVisible( bool enabled );
00177 void setOppositePosition( bool enabled );
00181 void setDefaultPosition( bool enabled );
00185 void setReversed( bool reversed );
00189 void setScrollable( bool enabled );
00193 bool visible() const { return m_visible; }
00197 bool oppositePosition() const { return m_opposite; }
00201 bool defaultPosition() const { return m_default; }
00205 bool reversed() const { return m_reversed; }
00209 bool scrollable() const { return m_scrollable; }
00213 void setArrow1( const QSGArrow& arrow );
00217 void setArrow2( const QSGArrow& arrow );
00221 QSGArrow arrow1() const { return m_arrow1; }
00225 QSGArrow arrow2() const { return m_arrow2; }
00230 void setRange( double min, double max );
00235 void setRangeMin( double min );
00240 void setRangeMax( double max );
00244 void setScale( AxisScale scale, double base = 10.0 );
00248 void setScaleType( int scale );
00252 void setScaleBase( double base );
00256 void setPosition( double pos );
00267 double min( AxisRange type = RangeSet ) const;
00271 double max( AxisRange type = RangeSet ) const;
00275 double rangeMin() const { return min(); }
00279 double rangeMax() const { return max(); }
00283 double scaleBase() const { return m_base; }
00287 int scaleType() const { return m_scale; }
00291 double position() const { return m_pos; }
00295 void setGridStep( double major = -4.0, double minor = -20.0 );
00299 void setMajorGridStep( double step );
00303 void setMinorGridStep( double step );
00307 double majorGridStep() const { return m_majd; }
00311 double minorGridStep() const { return m_mind; }
00315 const list<QSAxisTic> *tics() const { return &m_tics; }
00319 const QSAxisTic &lastTic() const { return m_last_tic; }
00323 void setTicsVisible( bool visible );
00327 void setTicsOuter( bool enabled );
00331 void setTicsFormat( const QString& format );
00335 void setTicsAngle( int angle );
00339 void setRoundRangeToTicStep( bool enabled );
00343 QString ticsFormat() const { return m_tics_format; }
00347 int ticsAngle() const { return m_tics_angle; }
00351 bool ticsVisible() const { return m_tics_visible; }
00355 bool ticsOuter() const { return m_tics_outer; }
00359 bool roundRangeToTicStep() const { return m_round; }
00363 void setTicLabelPos1( double pos );
00367 void setTicLabelPos2( double pos );
00371 double ticLabelPos1() const { return m_tic_label_pos1; }
00375 double ticLabelPos2() const { return m_tic_label_pos2; }
00379 void setTitlePosition( double value );
00383 void setTitleDistance( double value );
00387 double titlePosition() const { return m_title_position; }
00391 double titleDistance() const { return m_title_distance; }
00392
00397 void sprintfTic( QString& buffer, double value, const QString& format = QString::null );
00402 virtual void rememberCurrentView( int index );
00403
00407 virtual void setRememberedView( int index );
00408
00409 void set_arrow1_property( const QString& data );
00410 void set_arrow2_property( const QString& data );
00411 QString arrow1_property() const;
00412 QString arrow2_property() const;
00413 virtual ColumnType columnType( int channel, int column ) const;
00414 virtual void loadStateFromStream( QDataStream& stream, QSObjectFactory *factory );
00415 virtual void saveStateToStream( QDataStream& stream, QSObjectFactory *factory );
00416
00420 enum Channels {
00421 TicsChannel = 0,
00422 LineStyles = 1,
00423 FontStyles = 2,
00424 FillStyles = 3
00425 };
00429 enum LineElement {
00430 AxisLine = 0,
00431 MajorGridLine,
00432 MinorGridLine
00433 };
00437 enum FontElement {
00438 TitleFont = 0,
00439 TicsFont
00440 };
00441
00446 static void sprintfTic( QString& buffer, const QString& format, double value, double factor, double base, double exponent );
00447
00448 axis_remembered_view_t rememberedViews[3];
00449
00450 protected:
00455 virtual void initAxis( double dataMin, double dataMax, bool isData = true );
00456
00457 private:
00458 bool m_visible;
00459 AxisType m_type;
00460 bool m_opposite;
00461 bool m_default;
00462 QSGArrow m_arrow1;
00463 QSGArrow m_arrow2;
00464 double m_min;
00465 double m_max;
00466 double m_vmin;
00467 double m_vmax;
00468 double m_dmax;
00469 double m_dmin;
00470 double m_base;
00471 AxisScale m_scale;
00472 double m_pos;
00473 bool m_round;
00474 bool m_reversed;
00475 bool m_scrollable;
00476
00477 double m_majd;
00478 double m_mind;
00479
00480 QString m_tics_format;
00481 bool m_tics_outer;
00482 bool m_tics_visible;
00483 int m_tics_angle;
00484
00485 double m_wscale;
00486 double m_wmin;
00487
00488 double m_tic_label_pos1;
00489 double m_tic_label_pos2;
00490
00491 double m_title_position;
00492 double m_title_distance;
00493
00494
00495 list<QSAxisTic> m_tics;
00496 QSAxisTic m_last_tic;
00497
00498 void init_axis_mappings();
00499 void init_ranges( bool is_data );
00500 void find_closest( double *valM, int *valE, const double MSD[], int MSD_number );
00501 void to_float_point( double value, double *mantissa, int *exponent );
00502 void init_tics();
00503 void init_auto_tics_values();
00504 double round_tic( double v );
00505 };
00506
00507 #endif
00508
00509
00510
