Given an array like (H, W, 4), return a PNG-encoded byte string.

Maps from the coordinate system displayed inside the ViewBox to the local coordinates of the ViewBox

Convenience function; see :func:`map() <pyqtgraph.ColorMap.map>`.

Do highlighting of multi-line strings. ``delimiter`` should be a ``QRegExp`` for triple-single-quotes or triple-double-quotes, and ``i

Do highlighting of multi-line strings. =========== ========================================================== delimiter (Q

This method must be called to inform the item that the MeshData object has been altered.

Return a list of weakrefs to each object in *objs. QObject instances are expanded to include all child objects.

Returns a vector in the same direction with unit length.

This method is called when the parameter's parent has changed. It may be useful to extend this method in subclasses.

Get the QPen used to draw the border around the legend.

Return vector with the length and width of one view pixel in scene coordinates

Print flake output, colored by error category. Return 2 if there were any mandatory errors, 1 if only recommended / optional errors, and

Called when the flowchart would normally call Node.process, but this node is currently bypassed. The default implementation looks for output t

Process all pending requests from the pipe, return after no more events are immediately available. (non-blocking) Returns the number o

Return the projection of this vector onto the vector b

Raise an exception

Simulates reconnecting the runnable by re-enabling ``runFrom*`` functions

Restore original exception hooks, deactivating this exception handler

Return an array of 0.0-1.0 into which the shape of the item has been drawn. This can be used to mask array selections.

Replace one handle in the ROI for another. This is useful when connecting multiple ROIs together. *oldHandle* may be a Handl

Return data rescaled and optionally cast to a new dtype. The scaling operation is:: data => (data-offset) * scale

Restore the state of a mesh previously saved using save()

Restore the gradient specified in state. ============== ===================================================================

Return the result for this request. If block is True, wait until the result has arrived or *timeout* seconds passes.

Waste time for 2 seconds while incrementing a progress bar.

adjust the scale of this transform

Scale by *s* around given center point (or center of view). *s* may be a Point or tuple (x, y). Optionally, x or y may be sp

return the screen geometry of the viewbox

Select the numerical portion of the text to allow quick editing by the user.

Called when this item has been selected (sel=True) OR deselected (sel=False)

Change the list of options available for the user to add to the group.

Set the angle of the text in degrees. This sets the rotation angle of the text as a whole, measured counter-clockwise from t

Enable or disable default antialiasing. Note that this will only affect items that do not specify their own antialiasing options.

Set default text properties. See setText() for accepted parameters.

Set the background color of the widget. Accepts the same arguments as :func:`~pyqtgraph.mkColor`.

Define the color of the border drawn around the image. Parameters ---------- b : color_like Accepts all

Set ``(min, max)`` bounding values for the region. The current position is only affected it is outside the new bounds. See :func:`~py

Set the brush that fills the symbol. Allowable arguments are any that are valid for :func:`~pyqtgraph.mkBrush`.

Set the brush that fills the region. Can have any arguments that are valid for :func:`mkBrush <pyqtgraph.mkBrush>`.

Set the default clip-to-view mode for new curves. Parameters ---------- clip : bool If ``True``, new cur

Sets a color map to determine the ColorBarItem's look-up table. The same look-up table is applied to any assigned ImageItem.

Change the composition mode of the item. This is useful when overlaying multiple items. Parameters ---------

Set the data/image to draw isocurves for. ============== ==================================================================

Set the data to be drawn. Parameters ---------- x, y : np.ndarray, optional, default None 2D array conta

**Ordered Arguments:** * If there is only one unnamed argument, it will be interpreted like the 'spots' argument. * If there

Update the data in this surface plot. ============== =====================================================================

Sets the disconnected state of the runnable, see :meth:`disconnect` and :meth:`reconnect` for more information

Set the downsampling mode for the PlotItem. Downsampling reduces the number of samples drawn to improve performance. The dow

Set the (Nf, 3) array of faces. Each row in the array contains three indexes into the vertex array, specifying the three corners of a

Set the list of fields to be used by the mapper. The format of *fields* is:: [ (fieldName, {options}),

Set the :class:`QBrush` used to fill the area under the curve. Use :meth:`setFillLevel` to enable filling and set the bound

Method to set how the TargetLabel should display the text. This method should be called from TargetItem.setLabel directly. Parameter

Set this transform based on the elements of *m* The input matrix must be affine AND have no shear, otherwise the conversion w