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00020
00021 #ifndef QSAXES_H
00022 #define QSAXES_H
00023
00024 #ifdef HAVE_CONFIG_H
00025 #include <config.h>
00026 #endif
00027
00028 #include<math.h>
00029 #include<list.h>
00030 #include<qstring.h>
00031 #include<qlist.h>
00032 #include"qsgraphicaldata.h"
00033 #include"qsdrv.h"
00034 #include"qscobject.h"
00035 #include"qsprojection.h"
00036
00037 class QTimer;
00038 class QSPlot;
00039 class QSAxes;
00040
00051 class QSCAxesShadow : public QSCGroup {
00052 friend QSAxes;
00053 Q_OBJECT
00054 public:
00058 virtual ~QSCAxesShadow();
00059 virtual void setAutoUpdates( bool enabled );
00063 virtual void setParentAxes( QSAxes * );
00064 virtual void setBox( const QSRectf& rect, QSDrv *drv );
00065 virtual QSRectf box( QSDrv *drv );
00066 virtual bool isHit( const QSPt2f &p, QSDrv* drv );
00067 virtual bool isAxesShadow();
00068 virtual int style();
00069 virtual QString name();
00070 virtual void draw( QSDrv *drv, bool blocking, bool transparent );
00071 virtual void paintSkeleton( QPainter *p, double dpi = 72.0 );
00072 virtual void paint( QPainter *p, double dpi = 72.0, bool blocking=true, bool transparent=true );
00073 virtual bool busy() const;
00074 virtual void stop();
00075 virtual void loadStateFromStream( QDataStream& stream, QSObjectFactory *factory );
00076 virtual void saveStateToStream( QDataStream& stream, QSObjectFactory *factory );
00077
00078 public slots:
00079 virtual void forceUpdate();
00080
00081 protected:
00085 QSCAxesShadow( QSAxes *parent );
00086
00087 private slots:
00088 virtual void slot_object_added( QSCObject *object );
00089 virtual void slot_object_removed( QSCObject *object );
00090 virtual void slot_draw_objects( QSDrv *drv, bool, bool );
00091 virtual void slot_update();
00092 void slot_draw_ends();
00093
00094 };
00095
00096
00097
00110 class QSAxes : public QSGraphicalData
00111 {
00112 Q_OBJECT
00113 friend QSPlot;
00114 Q_PROPERTY( double xPosMM READ xPosMM WRITE setXPosMM )
00115 Q_PROPERTY( double yPosMM READ yPosMM WRITE setYPosMM )
00116 Q_PROPERTY( double widthMM READ widthMM WRITE setWidthMM )
00117 Q_PROPERTY( double heightMM READ heightMM WRITE setHeightMM )
00118 Q_PROPERTY( bool drawInBackground READ drawInBackground WRITE setDrawInBackground )
00119 Q_PROPERTY( bool axesOnly READ axesOnly WRITE setAxesOnly )
00120 Q_PROPERTY( QString background READ background_property WRITE set_background_property )
00121
00122 public:
00127 enum InternalState { Waiting = 0, Busy };
00138 enum CoordinateSystem { mmCoord, normCoord, worldCoord, dataCoord };
00144 enum ElementCategory { GeneralCategory, AxisCategory, GridCategory, DatasetCategory, UnknownCategory };
00148 QSAxes( QObject * parent, const QSProjection *proj, const char * name=0 );
00152 virtual ~QSAxes();
00160 InternalState state() const { return m_internal_state; }
00164 virtual void stop();
00169 bool complete() const { return m_is_complete; }
00170
00171
00179 void setPosMM( const QSPt2f& pos_mm );
00183 void setXPosMM( double x_mm );
00187 void setYPosMM( double y_mm );
00194 void setSizeMM( const QSPt2f& size_mm );
00198 void setWidthMM( double w_mm );
00202 void setHeightMM( double h_mm );
00206 QSPt2f posMM() const { return m_pos_mm; }
00210 double xPosMM() const { return m_pos_mm.x; }
00214 double yPosMM() const { return m_pos_mm.y; }
00218 QSPt2f sizeMM() const { return m_size_mm; }
00222 double widthMM() const { return m_size_mm.x; }
00226 double heightMM() const { return m_size_mm.y; }
00230 QSRectf calculateCanvasRect( double dpi = 72.0 );
00235 void setCanvasRect( const QSRectf& r );
00240 QSRectf canvasRect() const { return QSRectf( m_cpos.x, m_cpos.y, m_csize.x, m_csize.y ); }
00245 void setFitToCanvasRect( bool enabled );
00249 bool fitToCanvasRect() const { return m_transformation_rect; }
00254 void setDrawInBackground( bool enabled );
00258 bool drawInBackground() const { return m_draw_in_background; }
00259
00260
00261
00265 void setAxesOnly( bool enabled );
00269 bool axesOnly() const { return m_axes_only; }
00273 void setBackground( const QSGFill& fill );
00277 QSGFill background() const;
00278
00279
00284 virtual void rememberCurrentView( int index );
00285
00289 virtual void setRememberedView( int index );
00290
00291
00296 virtual void initMappings( QSDrv *drv );
00303 double canvasToNormalizedX( double value ) const ;
00307 double canvasToNormalizedY( double value ) const ;
00311 QSPt2f canvasToNormalized( const QSPt2f& pos ) const;
00315 double normalizedXToCanvas( double value ) const ;
00319 double normalizedYToCanvas( double value ) const ;
00323 QSPt2f normalizedToCanvas( const QSPt2f& pos ) const;
00328 QSPt2f dataToCanvas( const QSPt3f& pos, QSAxis *xAxis, QSAxis *yAxis, QSAxis *zAxis ) const;
00333 QSPt2f dataToCanvas( const QSPt2f& pos, QSAxis *xAxis, QSAxis *yAxis ) const;
00339 virtual QSPt3f mixedToCanvas( const QSPt3f& pos, CoordinateSystem in_coords[3], double dpi, QSAxis *xAxis, QSAxis *yAxis, QSAxis *zAxis ) const = 0;
00345 virtual QSPt3f canvasToMixed( const QSPt3f& pos, CoordinateSystem out_coords[3], double dpi, QSAxis *xAxis, QSAxis *yAxis, QSAxis *zAxis ) const = 0;
00346
00347
00348
00353 void setAutoUpdates( bool enabled );
00357 bool autoUpdates() const { return m_auto_updates; }
00358
00359
00360
00364 virtual int childCount() const;
00369 virtual QSData *child( int index ) const;
00370
00371
00372
00376 int plotCount() const;
00382 void plotAdd( QSPlot *p );
00388 void plotInsert( int beforePos, QSPlot *p );
00393 void plotRemove( QSPlot *p );
00398 void plotDelete( QSPlot *p );
00404 QSPlot *plot( int index ) const ;
00408 int plotIndex( QSPlot *o ) const ;
00412 void plotToFront( QSPlot *o );
00416 void plotToBack( QSPlot *o );
00420 void plotRaise( QSPlot *o );
00424 void plotLower( QSPlot * o );
00428 void plotReorder( int position, QSPlot * o );
00429
00430
00431
00432
00436 int axisCount() const;
00442 void axisAdd( QSAxis *axis );
00448 void axisInsert( int position, QSAxis *axis );
00457 bool axisRemove( QSAxis *axis );
00465 bool axisDelete( QSAxis *axis );
00470 QSAxis *axisOfType( int axisType ) const;
00476 QSAxis *axis( int index ) const;
00480 int axisIndex( QSAxis *axis ) const ;
00484 void axisToFront( QSAxis *axis );
00488 void axisToBack( QSAxis *axis );
00492 void axisRaise( QSAxis *axis );
00496 void axisLower( QSAxis *axis );
00500 void axisReorder( int position, QSAxis *axis );
00501
00502
00503
00504
00511 QSCAxesShadow *shadowObject();
00512
00513
00514
00518 virtual QString posInfo( QSPt2f& pos );
00519
00520
00521
00529 virtual void paintPlot( QPainter *p, double dpi=72.0, bool blocking=true, bool transparent=true ) = 0;
00537 virtual void drawPlot( QSDrv *drv, bool blocking=true, bool transparent=true ) = 0;
00541 virtual void paintSkeleton( QPainter *p, double dpi=72.0, bool reallyFast=false );
00545 void forceUpdate() { emit sigUpdate(); }
00549 QSDrv *run_gDriver() const { return m_drv; }
00553 double run_dpi() const { return m_curr_dpi; }
00557 const QSProjection *proj() const { return m_proj; }
00558
00559
00560
00561 void set_background_property( const QString& value );
00562 QString background_property() const;
00566 virtual void loadStateFromStream( QDataStream& stream, QSObjectFactory *factory );
00570 virtual void saveStateToStream( QDataStream& stream, QSObjectFactory *factory );
00571
00572 signals:
00576 void sigDataChanged( QSGraphicalData *b, int channel );
00580 void sigUpdate();
00584 void sigRangesValid();
00588 void sigUserDraw( QSDrv *drv, bool blocking, bool transparent );
00592 void sigDrawEnds();
00593
00594
00595
00596 protected:
00597
00601 virtual void dataChanging( QSData *object, int channel = -1 );
00605 virtual void dataChanged( QSData *object, int channel = -1 );
00609 virtual void parametersChanging();
00613 virtual void parametersChanged();
00617 virtual void start( QSDrv *drv, bool blocking, bool transparent );
00622 virtual void axisRangesCalculated() { emit sigRangesValid(); }
00627 virtual void allocRuntimeData() {}
00632 virtual void freeRuntimeData() {}
00636 virtual void drawAxis( QSAxis * ) {}
00640 virtual void drawGrid( QSAxis *, bool ) {}
00644 virtual void childEvent ( QChildEvent * );
00645
00646 struct margins_t {
00647 int l;
00648 int r;
00649 int t;
00650 int b;
00651 } m_m;
00652
00653 InternalState m_internal_state;
00654 QSGFill m_bckg_fill;
00655 QSPt2f m_csize;
00656 QSPt2f m_cpos;
00657 QSPt2f m_pos_mm;
00658 QSPt2f m_size_mm;
00659 double m_curr_dpi;
00660 QSDrv *m_drv;
00661 bool m_bkg_handler;
00662 bool m_axes_only;
00663 bool m_really_fast;
00664 bool m_blocking;
00665 bool m_transparent;
00666 QSCAxesShadow *m_shadow_object;
00667 bool m_transformation_rect;
00668 bool m_draw_in_background;
00669 const QSProjection *m_proj;
00670 int m_curr_dataset_nr;
00671
00672 private:
00673 struct qsaxes_private_data;
00674 qsaxes_private_data *d;
00675 QTimer *m_timer;
00676
00677
00678 bool m_runtime_data_allocated;
00679 bool m_current_started;
00680 bool m_is_complete;
00681 bool m_auto_updates;
00682 bool m_delete_driver;
00683 double m_almost_zero;
00684 void calculate_auto_ranges();
00685
00686 private slots:
00687 void work_proc();
00688 };
00689
00690
00691
00698 class QSAxesChild : public QSGraphicalData
00699 {
00700 Q_OBJECT
00701 public:
00706 QSAxesChild( QSAxes *parentAxes, const char *name=0 );
00710 virtual ~QSAxesChild();
00714 QSAxes *parentAxes() const { return m_axes; }
00715
00716 protected:
00717 QSAxes *m_axes;
00718 };
00719
00720 #endif
00721
00722
00723
