00001
00002
00003
00004
00005
00006
00007 #ifndef DIGITIZE_STATE_COLOR_PICKER_H
00008 #define DIGITIZE_STATE_COLOR_PICKER_H
00009
00010 #include "BackgroundImage.h"
00011 #include "DigitizeStateAbstractBase.h"
00012
00013 class DocumentModelColorFilter;
00014 class QColor;
00015 class QImage;
00016 class QPointF;
00017
00021 class DigitizeStateColorPicker : public DigitizeStateAbstractBase
00022 {
00023 public:
00025 DigitizeStateColorPicker(DigitizeStateContext &context);
00026 virtual ~DigitizeStateColorPicker();
00027
00028 virtual QString activeCurve () const;
00029 virtual void begin(CmdMediator *cmdMediator,
00030 DigitizeState previousState);
00031 virtual QCursor cursor (CmdMediator *cmdMediator) const;
00032 virtual void end();
00033 virtual void handleContextMenuEventAxis (CmdMediator *cmdMediator,
00034 const QString &pointIdentifier);
00035 virtual void handleContextMenuEventGraph (CmdMediator *cmdMediator,
00036 const QStringList &pointIdentifiers);
00037 virtual void handleCurveChange(CmdMediator *cmdMediator);
00038 virtual void handleKeyPress (CmdMediator *cmdMediator,
00039 Qt::Key key,
00040 bool atLeastOneSelectedItem);
00041 virtual void handleMouseMove (CmdMediator *cmdMediator,
00042 QPointF posScreen);
00043 virtual void handleMousePress (CmdMediator *cmdMediator,
00044 QPointF posScreen);
00045 virtual void handleMouseRelease (CmdMediator *cmdMediator,
00046 QPointF posScreen);
00047 virtual QString state() const;
00048 virtual void updateAfterPointAddition ();
00049 virtual void updateModelDigitizeCurve (CmdMediator *cmdMediator,
00050 const DocumentModelDigitizeCurve &modelDigitizeCurve);
00051 virtual void updateModelSegments(const DocumentModelSegments &modelSegments);
00052
00053 private:
00054 DigitizeStateColorPicker();
00055
00056 bool computeFilterFromPixel (CmdMediator *cmdMediator,
00057 const QPointF &posScreen,
00058 const QString &curveName,
00059 DocumentModelColorFilter &modelColorFilterAfter);
00060 bool findNearestNonBackgroundPixel (CmdMediator *cmdMediator,
00061 const QImage &image,
00062 const QPointF &posScreenPlusHalf,
00063 const QRgb &rgbBackground,
00064 QColor &pixel);
00065 void saveLowerValueUpperValue (DocumentModelColorFilter &modelColorFilterAfter,
00066 const QString &curveName,
00067 double lowerValue,
00068 double upperValue);
00069
00070
00071 DigitizeState m_previousDigitizeState;
00072 BackgroundImage m_previousBackground;
00073 };
00074
00075 #endif // DIGITIZE_STATE_COLOR_PICKER_H