def __layout(self, *a):
"""Called when this ``ColourBarPanel`` needs to be laid out.
Sets the panel size, and calls the :meth:`__refreshColourBar` method.
"""
canvas = self.__cbCanvas
w, h = self.GetClientSize().Get()
cbarSize = cbar.colourBarMinorAxisSize(canvas.colourBar.fontSize)
if canvas.colourBar.orientation == 'horizontal':
canvas.SetSizeHints(-1, cbarSize, -1, cbarSize, -1, -1)
else:
canvas.SetSizeHints(cbarSize, -1, cbarSize, -1, -1, -1)
wx.CallAfter(self.Layout)
def adjustSizeForColourBar(width,
height,
showColourBar,
colourBarLocation,
fontSize):
"""Calculates the widths and heights of the image display space, and the
colour bar if it is enabled.
:arg width: Desired width in pixels
:arg height: Desired height in pixels
:arg showColourBar: ``True`` if a colour bar is to be shown, ``False``
otherwise.
:arg colourBarLocation: Colour bar location (see
:func:`buildColourBarBitmap`).
:arg fontSize Font size (points) used in colour bar labels.
:returns: Two tuples - the first tuple contains the
``(width, height)`` of the available canvas space,
and the second contains the ``(width, height)`` of
the colour bar.
"""
if showColourBar:
cbarWidth = int(round(cbar.colourBarMinorAxisSize(fontSize)))
if colourBarLocation in ('top', 'bottom'):
height = height - cbarWidth
cbarHeight = cbarWidth
cbarWidth = width
else:
width = width - cbarWidth
cbarHeight = height
else:
cbarWidth = 0
cbarHeight = 0
return (width, height), (cbarWidth, cbarHeight)