QtiPlot 0.9.7.3

Graph.h

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00001 /***************************************************************************
00002     File                 : Graph.h
00003     Project              : QtiPlot
00004     --------------------------------------------------------------------
00005     Copyright            : (C) 2004-2008 by Ion Vasilief
00006     Email (use @ for *)  : ion_vasilief*yahoo.fr
00007     Description          : Graph widget
00008 
00009  ***************************************************************************/
00010 
00011 /***************************************************************************
00012  *                                                                         *
00013  *  This program is free software; you can redistribute it and/or modify   *
00014  *  it under the terms of the GNU General Public License as published by   *
00015  *  the Free Software Foundation; either version 2 of the License, or      *
00016  *  (at your option) any later version.                                    *
00017  *                                                                         *
00018  *  This program is distributed in the hope that it will be useful,        *
00019  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
00020  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
00021  *  GNU General Public License for more details.                           *
00022  *                                                                         *
00023  *   You should have received a copy of the GNU General Public License     *
00024  *   along with this program; if not, write to the Free Software           *
00025  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
00026  *   Boston, MA  02110-1301  USA                                           *
00027  *                                                                         *
00028  ***************************************************************************/
00029 #ifndef GRAPH_H
00030 #define GRAPH_H
00031 
00032 #include <QList>
00033 #include <QPointer>
00034 #include <QPrinter>
00035 #include <QVector>
00036 #include <QEvent>
00037 #include <QMap>
00038 
00039 #include <qwt_text.h>
00040 #include <qwt_plot.h>
00041 #include <qwt_plot_marker.h>
00042 #include <qwt_plot_curve.h>
00043 
00044 #include <AxesDialog.h>
00045 #include <PlotToolInterface.h>
00046 #include <ScaleDraw.h>
00047 #include <FrameWidget.h>
00048 #include <float.h>
00049 
00050 class QwtPlotPanner;
00051 class QwtPlotMagnifier;
00052 class QwtPlotCurve;
00053 class QwtPlotZoomer;
00054 class QwtPieCurve;
00055 class Table;
00056 class ArrowMarker;
00057 class ImageWidget;
00058 class TitlePicker;
00059 class ScalePicker;
00060 class CanvasPicker;
00061 class ApplicationWindow;
00062 class Matrix;
00063 class SelectionMoveResizer;
00064 class RangeSelectorTool;
00065 class DataCurve;
00066 class PlotCurve;
00067 class QwtErrorPlotCurve;
00068 class MultiLayer;
00069 class Spectrogram;
00070 class FunctionCurve;
00071 class VectorCurve;
00072 class BoxCurve;
00073 class QwtHistogram;
00074 class Grid;
00075 class TexWidget;
00076 class LegendWidget;
00077 
00079 typedef struct{
00080   QColor lCol;     
00081   float lWidth;    
00082   int lStyle;      
00083   double filledArea;  
00084   QColor aCol;     
00085   int aStyle;      
00086   QColor symCol;   
00087   QColor fillCol;  
00088   float penWidth;  
00089   int sSize;       
00090   int sType;       
00091   int connectType; 
00092 }  CurveLayout;
00093 
00122 class Graph: public QwtPlot
00123 {
00124     Q_OBJECT
00125 
00126     public:
00127         Graph (int x = 0, int y = 0, int width = 500, int height = 400, QWidget* parent=0, Qt::WFlags f=0);
00128         ~Graph();
00129 
00130         enum Axis{Left, Right, Bottom, Top};
00131         enum Scale{Linear, Log10, Ln, Log2, Reciprocal, Probability, Logit};
00132         enum Ticks{NoTicks = 0, Out = 1, InOut = 2, In = 3};
00133         enum MarkerType{None = -1, Text = 0, Arrow = 1, Image = 2};
00134         enum CurveType{Line, Scatter, LineSymbols, VerticalBars, Area, Pie, VerticalDropLines,
00135             Spline, HorizontalSteps, Histogram, HorizontalBars, VectXYXY, ErrorBars,
00136             Box, VectXYAM, VerticalSteps, ColorMap, GrayScale, Contour, Function, ImagePlot,
00137             StackBar, StackColumn};
00138         enum LegendDisplayMode{ColumnName, ColumnComment, TableName, TableLegend};
00139         enum AxisTitlePolicy{Default, ColName, ColComment, NameAndComment};
00140 
00142         MultiLayer *multiLayer() const;
00143 
00145         void setActiveTool(PlotToolInterface *tool);
00147         PlotToolInterface* activeTool() const { return d_active_tool; }
00149         bool hasActiveTool();
00150 
00151         QList <LegendWidget *> textsList();
00152         LegendWidget *activeText();
00153         void setActiveText(LegendWidget *l){d_active_enrichment = (FrameWidget *)l;};
00154         void select(QWidget *l, bool add = false);
00155 
00156         FrameWidget *activeEnrichment(){return d_active_enrichment;};
00157         QList <FrameWidget *> enrichmentsList(){return d_enrichments;};
00158         QList <FrameWidget *> increasingAreaEnrichmentsList();
00159 
00160         bool hasSeletedItems();
00161         void deselect();
00162         void deselect(QWidget *);
00163 
00164         QPointer<SelectionMoveResizer> selectionMoveResizer(){return d_markers_selector;};
00165 
00166         QwtPlotItem* selectedCurveLabels();
00168         void restoreCurveLabels(int curveID, const QStringList& lst);
00169 
00170         Grid *grid(){return (Grid *)d_grid;};
00171         QList<QwtPlotItem *> curvesList(){return d_curves;};
00172 
00173         QwtPlotItem* closestCurve(int xpos, int ypos, int &dist, int &point);
00174 
00175         void insertMarker(QwtPlotMarker *m);
00176 
00177         QList<int> getMajorTicksType();
00178         void setMajorTicksType(int axis, int type);
00179 
00180         QList<int> getMinorTicksType();
00181         void setMinorTicksType(int axis, int type);
00182 
00183         int minorTickLength() const;
00184         int majorTickLength() const;
00185         void setTickLength (int minLength, int majLength);
00186 
00187         int axesLinewidth() const;
00188         void setAxesLinewidth(int width);
00189 
00190         void axisLabelFormat(int axis, char &f, int &prec) const;
00191 
00192         int axisLabelFormat(int axis);
00193         int axisLabelPrecision(int axis);
00194 
00195         QColor frameColor();
00196         const QColor & paletteBackgroundColor() const;
00197 
00198         void print(QPainter *, const QRect &rect, const QwtPlotPrintFilter & = QwtPlotPrintFilter());
00199         void updateLayout();
00200         void setCanvasGeometry(const QRect &canvasRect);
00202         void setCanvasGeometry(int x, int y, int w, int h){setCanvasGeometry(QRect(x, y, w, h));};
00203         void setCanvasSize(const QSize &size);
00205         void setCanvasSize(int w, int h){setCanvasSize(QSize(w, h));};
00206 
00207         void updateCurveLabels();
00208 
00209         TexWidget* addTexFormula(const QString& s, const QPixmap& pix);
00210 
00211         FrameWidget* add(FrameWidget* fw, bool copy = true);
00212         void remove(FrameWidget*);
00213 
00214         QRect boundingRect();
00215         void raiseEnrichements();
00216         void addLegendItem();
00217         bool isPrinting(){return d_is_printing;};
00218 
00219         void enablePanningMagnifier(bool on = true, int mode = 0);
00220         bool hasPanningMagnifierEnabled(){if (d_magnifier && d_panner) return true; return false;};
00221         QwtPlotMagnifier* magnifyTool(){return d_magnifier;};
00222 
00223         static QString escapeTeXSpecialCharacters(const QString &);
00224         static QString texSuperscripts(const QString &);
00225 
00226         void changeCurveIndex(int fromIndex, int toIndex);
00227         void enableDouglasPeukerSpeedMode(double tolerance, int maxPoints);
00228 
00229         int speedModeMaxPoints(){return d_speed_mode_points;};
00230         double getDouglasPeukerTolerance(){return d_Douglas_Peuker_tolerance;};
00231 
00232         AxisTitlePolicy axisTitlePolicy(){return d_axis_title_policy;};
00233         void setAxisTitlePolicy(const AxisTitlePolicy& policy){d_axis_title_policy = policy;};
00234         void setSynchronizedScaleDivisions(bool on){d_synchronize_scales = on;};
00235 
00236     public slots:
00237         void copy(Graph* g);
00238         void copyCurves(Graph* g);
00239 
00241 
00242 
00243         bool isPiePlot();
00245         QwtPieCurve* plotPie(Table* w,const QString& name, int startRow = 0, int endRow = -1);
00247         QwtPieCurve* plotPie(Table* w, const QString& name, const QPen& pen, int brush, int size,
00248             int firstColor, int startRow = 0, int endRow = -1, bool visible = true,
00249             double d_start_azimuth = 270, double d_view_angle = 90, double d_thickness = 33,
00250             double d_horizontal_offset = 0.0, double d_edge_dist = 25, bool d_counter_clockwise = false,
00251             bool d_auto_labeling = true, bool d_values = false, bool d_percentages = true,
00252             bool d_categories = false, bool d_fixed_labels_pos = true);
00253 
00254         void removePie();
00255         QString pieLegendText();
00256         QString savePieCurveLayout();
00258 
00259         bool addCurves(Table* w, const QStringList& names, int style = 0, double lWidth = 1, int sSize = 3, int startRow = 0, int endRow = -1);
00260         DataCurve* insertCurve(Table* w, const QString& name, int style, int startRow = 0, int endRow = -1);
00261         DataCurve* insertCurve(Table* w, int xcol, const QString& name, int style);
00262         DataCurve* insertCurve(Table* w, const QString& xColName, const QString& yColName, int style, int startRow = 0, int endRow = -1);
00263         void insertPlotItem(QwtPlotItem *i, int type);
00264         void insertCurve(QwtPlotItem *c);
00265 
00267         void showCurve(int index, bool visible = true);
00268         int visibleCurves();
00269 
00270         void removeCurve(QwtPlotItem *it);
00272         void removeCurve(int index);
00276         void removeCurve(const QString& s);
00280         void removeCurves(const QString& s);
00281 
00282         void updateCurvesData(Table* w, const QString& yColName);
00283 
00284         int curveCount(){return d_curves.size();};
00285         bool validCurvesDataSize();
00286         double selectedXStartValue();
00287         double selectedXEndValue();
00288 
00290         int curveIndex(QwtPlotItem *c){return d_curves.indexOf(c);};
00292         int curveIndex(const QString &title){return plotItemsList().findIndex(title);}
00293         DataCurve* dataCurve(int index);
00295         PlotCurve* curve(int index);
00297         PlotCurve* curve(const QString &title){return curve(curveIndex(title));};
00299         QString curveTitle(int index);
00300 
00302         QStringList analysableCurvesList();
00304         QStringList curveNamesList();
00306         QStringList plotItemsList();
00308         QwtPlotItem* plotItem(int index);
00309 
00310         void updateCurveNames(const QString& oldName, const QString& newName, bool updateTableName = true);
00311 
00313 
00314         void setCurveStyle(int index, int s);
00315         void setCurveFullRange(int curveIndex);
00316         void setCurveLineColor(int curveIndex, int colorIndex);
00317         void setCurveLineColor(int curveIndex, QColor qColor);
00318         void setCurveLineStyle(int curveIndex, Qt::PenStyle style);
00319         void setCurveLineWidth(int curveIndex, double width);
00320         void setGrayScale();
00321         void setIndexedColors();
00323 
00325 
00326         void print();
00327         void copyImage();
00328         QPixmap graphPixmap(const QSize& size = QSize(), double scaleFontsFactor = 1.0, bool transparent = false);
00330         void exportToFile(const QString& fileName);
00331         void exportSVG(const QString& fname, const QSizeF& customSize = QSizeF(), int unit = FrameWidget::Pixel, double fontsFactor = 1.0);
00332 #ifdef EMF_OUTPUT
00333         void exportEMF(const QString& fname, const QSizeF& customSize = QSizeF(), int unit = FrameWidget::Pixel, double fontsFactor = 1.0);
00334 #endif
00335         void exportTeX(const QString& fname, bool color = true, bool escapeStrings = true, bool fontSizes = true,
00336                         const QSizeF& customSize = QSizeF(), int unit = FrameWidget::Pixel, double fontsFactor = 1.0);
00337         void exportVector(const QString& fileName, int res = 0, bool color = true,
00338                         const QSizeF& customSize = QSizeF (), int unit = FrameWidget::Pixel, double fontsFactor = 1.0);
00339         void exportImage(const QString& fileName, int quality = 100, bool transparent = false,
00340                          int dpi = 0, const QSizeF& customSize = QSizeF (),
00341                          int unit = FrameWidget::Pixel, double fontsFactor = 1.0);
00342 
00343         void draw(QPaintDevice *, const QSize& size, double fontsFactor = 1.0);
00344         static QSize customPrintSize(const QSizeF& customSize, int unit, int dpi);
00345 
00346         bool isExportingTeX(){return d_is_exporting_tex;};
00347         void setTeXExportingMode(bool on = true){d_is_exporting_tex = on;};
00348         bool escapeTeXStrings(){return d_tex_escape_strings;};
00349         void setEscapeTeXStringsMode(bool on = true){d_tex_escape_strings = on;};
00351 
00352         void updatePlot();
00353 
00355 
00356         QwtErrorPlotCurve* addErrorBars(const QString& xColName, const QString& yColName, Table *errTable,
00357                 const QString& errColName, int type = 1, double width = 1, int cap = 8, const QColor& color = QColor(Qt::black),
00358                 bool through = true, bool minus = true, bool plus = true);
00359 
00360         QwtErrorPlotCurve* addErrorBars(const QString& yColName, Table *errTable, const QString& errColName,
00361                 int type = 1, double width = 1, int cap = 8, const QColor& color = QColor(Qt::black),
00362                 bool through = true, bool minus = true, bool plus = true);
00363 
00364         void updateErrorBars(QwtErrorPlotCurve *er, bool xErr, double width, int cap, const QColor& c, bool plus, bool minus, bool through);
00365 
00367         DataCurve* masterCurve(QwtErrorPlotCurve *er);
00369         DataCurve* masterCurve(const QString& xColName, const QString& yColName);
00371 
00373 
00374         void contextMenuEvent(QContextMenuEvent *);
00375         void closeEvent(QCloseEvent *e);
00376         bool focusNextPrevChild ( bool next );
00378 
00380         void invertScale(int axis);
00381         void setScale(int axis, double start, double end, double step = 0.0,
00382                 int majorTicks = 5, int minorTicks = 5, int type = 0, bool inverted = false,
00383                 double left_break = -DBL_MAX, double right_break = DBL_MAX, int pos = 50,
00384                 double stepBeforeBreak = 0.0, double stepAfterBreak = 0.0, int minTicksBeforeBreak = 4,
00385                 int minTicksAfterBreak = 4, bool log10AfterBreak = false, int breakWidth = 4, bool breakDecoration = true);
00386         double axisStep(int axis){return d_user_step[axis];};
00387         void setCanvasCoordinates(const QRectF&);
00388 
00390 
00391         CurveLayout initCurveLayout(int style, int curves = 0, bool guessLayout = true);
00392         static CurveLayout initCurveLayout();
00393         void updateCurveLayout(PlotCurve* c, const CurveLayout *cL);
00395         void guessUniqueCurveLayout(int& colorIndex, int& symbolIndex);
00397 
00399 
00400         void zoomed (const QwtDoubleRect &);
00401         void zoom(bool on);
00402         void zoomOut();
00403         bool zoomOn();
00405 
00406         void setAutoScale();
00407         void updateScale();
00408 
00410 
00411         QString saveToString(bool saveAsTemplate = false);
00412         QString saveScale();
00413         QString saveScaleTitles();
00414         QString saveFonts();
00415         QString saveMarkers();
00416         QString saveCurveLayout(int index);
00417         QString saveAxesTitleColors();
00418         QString saveAxesColors();
00419         QString saveEnabledAxes();
00420         QString saveCanvas();
00421         QString saveTitle();
00422         QString saveAxesTitleAlignement();
00423         QString saveEnabledTickLabels();
00424         QString saveTicksType();
00425         QString saveCurves();
00426         QString saveLabelsFormat();
00427         QString saveLabelsRotation();
00428         QString saveAxesLabelsType();
00429         QString saveAxesBaseline();
00430         QString saveAxesFormulas();
00431         QString saveAxesBackbones();
00432         QString saveTickLabelsSpace();
00433         QString saveLabelsPrefixAndSuffix();
00435 
00437 
00438         LegendWidget* addText(LegendWidget*);
00440         LegendWidget* insertText(const QStringList& list, int fileVersion);
00441 
00442         LegendWidget* addTimeStamp();
00443         void removeLegendItem(int index);
00444         void insertLegend(const QStringList& lst, int fileVersion);
00445 
00446         LegendWidget* newLegend(const QString& text = QString());
00448         QString legendText(bool layerSpec = false, int fromIndex = 0);
00450 
00452 
00453         LegendWidget* legend();
00454         void setLegend(const QString&);
00455         void removeLegend();
00457 
00459 
00460         ArrowMarker* addArrow(ArrowMarker* mrk);
00461         void remove(ArrowMarker* arrow);
00462 
00464         void addArrow(QStringList list, int fileVersion);
00465         QList<ArrowMarker *> arrowsList(){return d_lines;};
00466         int numArrows(){return d_lines.count();};
00467 
00469         void drawLine(bool on, bool arrow = false);
00470         bool drawArrow(){return drawArrowOn;};
00471         bool drawLineActive(){return drawLineOn;};
00472         bool arrowMarkerSelected();
00474 
00476 
00477         ImageWidget* addImage(ImageWidget* i);
00478         ImageWidget* addImage(const QString& fileName);
00479         ImageWidget* addImage(const QImage& image);
00480 
00481         void insertImageMarker(const QStringList& lst, int fileVersion);
00482         bool imageMarkerSelected();
00484 
00486 
00487         void removeMarker();
00489         void updateMarkersBoundingRect(bool rescaleEvent = true);
00490 
00497         void setSelectedArrow(ArrowMarker* mrk, bool add = false);
00498         ArrowMarker* selectedArrow(){return d_selected_arrow;};
00499         bool markerSelected();
00501         void deselectMarker();
00503 
00505 
00506         QwtScaleWidget* currentScale();
00507         QwtScaleWidget* selectedScale();
00508         QRect axisTitleRect(const QwtScaleWidget *scale);
00509         bool axisTitleSelected();
00510 
00511         ScaleDraw::ScaleType axisType(int axis);
00512 
00513         void setXAxisTitle(const QString& text);
00514         void setYAxisTitle(const QString& text);
00515         void setRightAxisTitle(const QString& text);
00516         void setTopAxisTitle(const QString& text);
00517 
00518         QString axisTitleString(int axis);
00519         void setAxisTitleString(int axis, const QString& text);
00520         void setAxisTitle(int axis, const QString& text);
00521         void updateAxesTitles();
00523         void setScaleTitle(int axis, const QString& text);
00524 
00525         QFont axisTitleFont(int axis);
00526         void setAxisTitleFont(int axis,const QFont &fnt);
00527 
00528         void setAxisFont(int axis, const QFont &fnt);
00529         void initFonts(const QFont &scaleTitleFnt,const QFont &numbersFnt);
00530 
00531         QColor axisTitleColor(int axis);
00532         void setAxisTitleColor(int axis, const QColor& c);
00533 
00534         int axisTitleAlignment (int axis);
00535         void setAxisTitleAlignment(int axis, int align);
00536 
00537         int axisTitleDistance(int axis);
00538         void setAxisTitleDistance(int axis, int dist);
00539 
00540         QColor axisColor(int axis);
00541         void setAxisColor(int axis, const QColor& color);
00542 
00543         QColor axisLabelsColor(int axis);
00544         void setAxisLabelsColor(int axis, const QColor& color);
00545 
00546         void showAxis(int axis, int type, const QString& formatInfo, Table *table, bool axisOn,
00547                 int majTicksType, int minTicksType, bool labelsOn, const QColor& c, int format,
00548                 int prec, int rotation, int baselineDist, const QString& formula, const QColor& labelsColor,
00549                 int spacing = 4, bool backbone = true, const ScaleDraw::ShowTicksPolicy& showTicks = ScaleDraw::ShowAll,
00550                 const QString& prefix = QString::null, const QString& suffix = QString::null);
00551 
00552         void enableAxis(int axis, bool on = true);
00553         void enableAxisLabels(int axis, bool on = true);
00554 
00555         int labelsRotation(int axis);
00556         void setAxisLabelRotation(int axis, int rotation);
00557 
00559         void loadAxesLinewidth(int width);
00560 
00561         void drawAxesBackbones(bool yes);
00562         bool axesBackbones(){return drawAxesBackbone;};
00564         void loadAxesOptions(const QStringList& lst);
00565 
00566         void setAxisMargin(int axis, int margin);
00567 
00568         void setMajorTicksType(const QList<int>& lst);
00569         void setMajorTicksType(const QStringList& lst);
00570 
00571         void setMinorTicksType(const QList<int>& lst);
00572         void setMinorTicksType(const QStringList& lst);
00573 
00574         void setAxisTicksLength(int axis, int majTicksType, int minTicksType, int minLength, int majLength);
00575         void setTicksLength(int minLength, int majLength);
00576         void changeTicksLength(int minLength, int majLength);
00578         void setLabelsNumericFormat(const QStringList& l);
00579         void setLabelsNumericFormat(int axis, int format, int prec = 6, const QString& formula = QString());
00580         void setLabelsDateTimeFormat(int axis, int type, const QString& formatInfo);
00581         void setLabelsDayFormat(int axis, int format);
00582         void setLabelsMonthFormat(int axis, int format);
00583 
00584         QString axisFormatInfo(int axis);
00585 
00586         void setLabelsTextFormat(int axis, int type, const QString& name, const QStringList& lst);
00587         void setLabelsTextFormat(int axis, int type, const QString& labelsColName, Table *table);
00588 
00589         QString axisFormula(int axis);
00590         void setAxisFormula(int axis, const QString &);
00592 
00594 
00595         void setCanvasFrame(int width = 1, const QColor& color =  QColor(Qt::black));
00596         QColor canvasFrameColor();
00597         int canvasFrameWidth();
00599 
00601 
00602         void setTitleFont(const QFont &fnt);
00603         void setTitleColor(const QColor &c);
00604         void setTitleAlignment(int align);
00605 
00606         bool titleSelected();
00607         void selectTitle(bool select = true);
00609         void clearTitle();
00611         void removeTitle();
00612         void initTitle( bool on, const QFont& fnt);
00614 
00616 
00617         QString selectedCurveTitle();
00619 
00620         void disableTools();
00621 
00628         bool enableRangeSelectors(const QObject *status_target=NULL, const char *status_slot="");
00629         bool rangeSelectorsEnabled();
00630         QPointer<RangeSelectorTool> rangeSelectorTool(){return d_range_selector;};
00632 
00633         void setFrame(int width = 1, const QColor& color = Qt::black);
00634         void setBackgroundColor(const QColor& color);
00636 
00637         void addFitCurve(QwtPlotCurve *c);
00638         void deleteFitCurves();
00639         QList<QwtPlotCurve *> fitCurvesList(){return d_fit_curves;};
00644         int range(const QString& curveTitle, double *start, double *end);
00649         int range(QwtPlotCurve *c, double *start, double *end);
00650 
00652         void setBarsGap(int curve, int gapPercent, int offset);
00653 
00655 
00656         void modifyFunctionCurve(int curve, int type, const QStringList &formulas, const QString &var,
00657             double start, double end, int points, const QMap<QString, double>& constants);
00658         FunctionCurve* addFunction(const QStringList &formulas, double start, double end, int points = 100, const QString &var = "x", int type = 0, const QString& title = QString::null);
00660         FunctionCurve* insertFunctionCurve(const QString& formula, int points, int fileVersion);
00661 
00663         QString generateFunctionName(const QString& name = tr("F"));
00665 
00667         void createTable(const QString& curveName);
00668         void createTable(const QwtPlotCurve* curve);
00669         void activateGraph();
00670 
00672 
00673         VectorCurve* plotVectorCurve(Table* w, const QStringList& colList, int style, int startRow = 0, int endRow = -1);
00674         void updateVectorsLayout(int curve, const QColor& color, double width, int arrowLength, int arrowAngle, bool filled, int position,
00675                 const QString& xEndColName = QString(), const QString& yEndColName = QString());
00677 
00679 
00680         BoxCurve* openBoxDiagram(Table *w, const QStringList& l, int fileVersion);
00681         void plotBoxDiagram(Table *w, const QStringList& names, int startRow = 0, int endRow = -1);
00683 
00685 
00686         void resizeEvent(QResizeEvent *e);
00687         void scaleFonts(double factor);
00689 
00690         void notifyChanges();
00691 
00692         void updateSecondaryAxis(int axis, bool changeFormat = false);
00693 
00694         bool isAutoscalingEnabled(){return d_auto_scale;};
00695         void enableAutoscaling(bool on = true){d_auto_scale = on;};
00696 
00697         bool autoscaleFonts(){return autoScaleFonts;};
00698         void setAutoscaleFonts(bool on = true){autoScaleFonts = on;};
00699 
00700         static int obsoleteSymbolStyle(int type);
00701         static QString penStyleName(Qt::PenStyle style);
00702         static Qt::PenStyle getPenStyle(const QString& s);
00703         static Qt::PenStyle getPenStyle(int style);
00704         static void showPlotErrorMessage(QWidget *parent, const QStringList& emptyColumns);
00705 
00706         void showTitleContextMenu();
00707         void copyTitle();
00708         void cutTitle();
00709 
00710         void clearAxisTitle();
00711         void removeAxisTitle();
00712         void cutAxisTitle();
00713         void copyAxisTitle();
00714         void showAxisTitleMenu();
00715         void showAxisContextMenu(int axis);
00716         void hideSelectedAxis();
00717         void showGrids();
00718 
00720         void showGrid();
00722         void showGrid(int axis);
00723 
00724         void showAxisDialog();
00725         void showScaleDialog();
00726 
00728         Spectrogram* spectrogram(Matrix *m);
00730         Spectrogram* plotSpectrogram(Matrix *m, CurveType type);
00732         void restoreSpectrogram(ApplicationWindow *app, const QStringList& lst);
00734         QwtHistogram* addHistogram(Matrix *m);
00736         QwtHistogram* restoreHistogram(Matrix *m, const QStringList& l);
00737 
00738         bool antialiasing(){return d_antialiasing;};
00740         void setAntialiasing(bool on = true, bool update = true);
00741 
00742         void disableCurveAntialiasing(bool disable, int maxPoints);
00743         bool isCurveAntialiasingEnabled(QwtPlotItem *it);
00744 
00745         void setCurrentFont(const QFont& f);
00746         void notifyFontChange(const QFont& f){emit currentFontChanged(f);};
00747         void enableTextEditor();
00748 
00749 signals:
00750         void selectedGraph (Graph*);
00751         void closedGraph();
00752         void drawLineEnded(bool);
00753         void cursorInfo(const QString&);
00754         void showPlotDialog(int);
00755 
00756         void viewLineDialog();
00757         void viewTitleDialog();
00758         void modifiedGraph();
00759         void hiddenPlot(QWidget*);
00760 
00761         void showContextMenu();
00762         void showCurveContextMenu(QwtPlotItem *);
00763         void showMarkerPopupMenu();
00764 
00765         void showAxisDialog(int);
00766         void axisDblClicked(int);
00767 
00768         void showAxisTitleDialog();
00769 
00770         void dataRangeChanged();
00771         void showFitResults(const QString&);
00772         void currentFontChanged(const QFont&);
00773         void enableTextEditor(Graph *);
00774         void axisDivChanged(Graph *, int);
00775         void updatedLayout(Graph *);
00776         void selectionChanged(SelectionMoveResizer *);
00777 
00778     private slots:
00779         void selectorDeleted();
00780 
00781     private:
00782         QString parseAxisTitle(int axis);
00783         QList<FrameWidget*> stackingOrderEnrichmentsList() const;
00785         QwtDoubleInterval axisBoundingInterval(int axis);
00786         void deselectCurves();
00787 
00788         void dropEvent(QDropEvent*);
00789         void dragEnterEvent(QDragEnterEvent*);
00790         void showEvent (QShowEvent * event);
00791         void printFrame(QPainter *painter, const QRect &rect) const;
00792         void printCanvas(QPainter *painter, const QRect &canvasRect,
00793              const QwtScaleMap map[axisCnt], const QwtPlotPrintFilter &pfilter) const;
00794         virtual void printScale (QPainter *, int axisId, int startDist, int endDist,
00795             int baseDist, const QRect &) const;
00796         virtual void drawItems (QPainter *painter, const QRect &rect,
00797             const QwtScaleMap map[axisCnt], const QwtPlotPrintFilter &pfilter) const;
00798 
00799         void drawInwardTicks(QPainter *painter, const QRect &rect,
00800                             const QwtScaleMap&map, int axis, bool min, bool maj) const;
00801         void drawBreak(QPainter *painter, const QRect &rect, const QwtScaleMap &map, int axis) const;
00802 
00803         QwtPlotZoomer *d_zoomer[2];
00804         TitlePicker *titlePicker;
00805         ScalePicker *scalePicker;
00806         CanvasPicker* cp;
00808         Grid *d_grid;
00810         QList<QwtPlotItem*> d_curves;
00812         QList<QwtPlotCurve *>d_fit_curves;
00814         bool d_antialiasing;
00815         bool d_disable_curve_antialiasing;
00816         int d_max_antialising_size;
00817         bool autoScaleFonts;
00818         bool drawLineOn, drawArrowOn, drawAxesBackbone;
00820         bool d_is_printing;
00822         QVector<double> d_user_step;
00824         QList<ArrowMarker*> d_lines;
00826         ArrowMarker* d_selected_arrow;
00828         QPointer<SelectionMoveResizer> d_markers_selector;
00830         QPointer<RangeSelectorTool> d_range_selector;
00832         PlotToolInterface *d_active_tool, *d_peak_fit_tool;
00834         FrameWidget *d_active_enrichment;
00836         bool d_auto_scale;
00838         int d_min_tick_length, d_maj_tick_length;
00839         bool d_is_exporting_tex;
00840         bool d_tex_escape_strings;
00841         QList<FrameWidget*> d_enrichments;
00842         QwtPlotMagnifier *d_magnifier;
00843         QwtPlotPanner *d_panner;
00844 
00845         double d_Douglas_Peuker_tolerance;
00846         int d_speed_mode_points;
00847         AxisTitlePolicy d_axis_title_policy;
00848         bool d_synchronize_scales;
00849         QStringList d_axis_titles;
00850 };
00851 #endif // GRAPH_H