Test the menu initialization of the plotitem

Test that SignalBlock does not end up connecting an unconnected slot

Test the disconnect of SignalProxy with `signal` and `slot`

Test the connect mode of SignalProxy without slot at start`

Test the normal work mode of SignalProxy with `signal` and `slot`

Test the block mode of SignalProxy with `signal` and `slot`

Test zooming with X and Y limits set

Test zooming with XRange and YRange limits set, but no X and Y limits

Test zooming with a fixed aspect ratio set

Slightly more complicated zoom ratio test, where the view box shape does not match the ratio

Test zoom with both ratio and limits set

This method returns the current title offset in use. :returns: The offset in px.

Topological sort. Arguments are: deps dictionary describing dependencies where a:[b,c] means "a depends on b and c" nodes optional, s

Convert an image to a set of QPainterPath curves. One curve will be generated for each item in *values*; each curve outlines the area of

Map a set of 2D or 3D coordinates through a QTransform or QMatrix4x4. The shape of coords must be (2,...) or (3,...) The mapping will _ig

Called when the state of any sub-parameter has changed. ============== ===================================================

Called when this item is added or removed from a tree.

Internal function to make an QImage from an ndarray without going through the full generality of makeARGB(). Only certain combinations of