Image AddedImage Removed

Widget	Functionality	Parameters	isIs-a Dependency
GWView	moving/zooming viewport for scene	rscene, origin='UL', scale_ctl='HV'	GWView < QGraphicsView
GWViewExt	+ adds update speed and signals to GWView	+ signal_fast	GWViewExt < GWView
GWViewImage	+ QPixmap to QGraphicsScene of GWViewExt		GWViewImage < GWViewExt
GWViewHist	+ Histogram to ...		GWViewHist < GWViewExt
GWViewAxis	+ Histogram Axis to ...		GWViewAxis < GWViewExt
GWViewColorBar	+ ColorBar to ...		GWViewColorBar < GWViewExt
GWImageAxes	QWidget with image and x-y axes		GWImageAxes < QWidget
GWSpectrum	QWidget with histogram x-y axes and color bar		GWSpectrum < QWidget
GWViewImageROI	+ ROI to GWImageAxes		GWViewImageROI < GWImageAxes

Handles and ROI

Handle Type	Functionality	Comments
Origin	ROI origin position
Translation	Handle for entire ROI translation
Rotation	Handle for ROI rotation
Move	Handle for moving of particular ROI's point
Menu	Pop-up menu on mouse click	Invert/delete/change lookout
Center	The same as Move?
Q: Anything else?

ROI Type	Functionality	Parameters	Comments
Pixel	single pixel mask	position
Line	pixels along line	position1, position2	Q: width?
Rect		position(T,L), size (W,H), rotation
Ellipse		position(center), size (W,H), rotation
Polygone		position[N-points]
Arche		3-points like in AMI2
Q: Circle?		position and radius
Q: Square?		position, size, rotation
Q: Anything else?

Behavior

Q: what is the most convenient control behavior?