CustusX  16.5
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cxTransferFunctionColorWidget.h
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
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32 
33 #ifndef CXTRANSFERFUNCTIONCOLORWIDGET_H_
34 #define CXTRANSFERFUNCTIONCOLORWIDGET_H_
35 
36 #include "cxGuiExport.h"
37 
38 #include "cxBaseWidget.h"
39 
40 #include "cxImage.h"
41 #include "cxForwardDeclarations.h"
42 #include "cxActiveImageProxy.h"
43 #include "cxLegacySingletons.h"
44 
45 class QRect;
46 class QMenu;
47 
48 namespace cx
49 {
59 class cxGui_EXPORT TransferFunctionColorWidget : public BaseWidget
60 {
61  Q_OBJECT
62 
63 public:
64  TransferFunctionColorWidget(ActiveDataPtr activeData, QWidget* parent);
65  virtual ~TransferFunctionColorWidget();
66 
67  void setData(ImagePtr image, ImageTFDataPtr tfData);
68 
69 public slots:
70  void activeImageTransferFunctionsChangedSlot();
71 
72 protected slots:
73  void removeColorSlot();
74  void setColorSlot();
75  void setColorSlotDelayed();
76 
77 protected:
78  struct ColorPoint
79  {
80  int intensity;
81  QColor value;
82  ColorPoint() : intensity(-1000000), value(255, 255, 255) {}
83  void reset()
84  {
85  intensity = -1000000;
86  value = QColor(255, 255, 255);
87  }
88  bool isValid()
89  {
90  if(intensity != -1000000)
91  return true;
92  return false;
93  }
94  };
95 
98 
99  QRect mFullArea;
100  QRect mPlotArea;
101  int mBorder;
102 
103  std::map<int, QRect> mPointRects;
105 // int mCurrentClickX, mCurrentClickY;///< The x coordinate currently selected with the mouse
107 
108  ColorPoint selectPoint(QPoint pos) const;
109  std::pair<int,int> findAllowedMoveRangeAroundColorPoint(int selectedPointIntensity);
110  void paintColorPointsAndGenerateCache(QPainter& painter);
111  void paintColorBar(QPainter& painter);
112  void updateTooltip(QPoint pos);
113  void updateTooltip(ColorPoint point);
114 
118 
119  bool isEndpoint(int intensity) const;
120 // bool isInsideCurrentPoint();///< Checks if a screen coordinate is inside any of the point rectangles. Sets mCurrentPoint.position and mCurrentPoint.value
121  void contextMenuEvent(QContextMenuEvent *event);
122 
123 
124  QPoint getPlotPoint(int iScalar);
125  ColorPoint getCurrentColorPoint();
126  ColorPoint getCurrentColorPoint(int clickX);
127 // void moveCurrentPoint();///< Move the currently selected point to the selected screen coordinate (mCurrentClickX)
128  void moveSelectedPointTo(ColorPoint newPoint);
129 
130  virtual void enterEvent(QEvent* event);
131  virtual void leaveEvent(QEvent* event);
132  virtual void mousePressEvent(QMouseEvent* event);
133  virtual void mouseReleaseEvent(QMouseEvent* event);
134  virtual void mouseMoveEvent(QMouseEvent* event);
135  virtual void keyPressEvent(QKeyEvent* event);
136  virtual void resizeEvent(QResizeEvent* evt);
137  virtual void paintEvent(QPaintEvent* event);
138 
139  virtual QSize sizeHint () const { return QSize(100, 30);};
140 
141  int screenX2imageIntensity(int screenX);
142  int imageIntensity2screenX(int intensity);
143 };
144 
145 }
146 #endif /* CXTRANSFERFUNCTIONCOLORWIDGET_H_ */
boost::shared_ptr< class Image > ImagePtr
Definition: cxDicomWidget.h:48
boost::shared_ptr< class ActiveImageProxy > ActiveImageProxyPtr
std::map< int, QRect > mPointRects
Cache with all point rectangles.
boost::shared_ptr< class ActiveData > ActiveDataPtr
Definition: cxColorWidget.h:42
QAction * mRemoveColorAction
Action for removing a color.
ColorPoint mSelectedPoint
The currently selected point.
Interface for QWidget which handles widgets uniformly for the system.
Definition: cxBaseWidget.h:108
Internal placeholder for a color point.
boost::shared_ptr< class ImageTFData > ImageTFDataPtr
QAction * mCustomColorAction
Action for choosing custom color.
int mBorder
The size of the border around the transferfunction. The size of the rectangles are mBorder * 2...