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Class to define a Rubber Band Box zoom capability
for a display. Once invoked, a drag with right mouse
button creates a RubberBandBox. When released, the
image is moved and zoomed to fill the window.
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Methods
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__init__
zoomit
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__init__
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__init__ (
self,
display,
requireKey,
callback=None,
)
display is the display object. requireKey = 0 (no key),
= 1 (CTRL), = 2 (SHIFT)
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zoomit
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zoomit ( self, samples )
To force a zoom with an array of samples, call this...
samples[2][] contains values for the corner points, in
the proper scalar type. samples[0][] is x,y of upperleft.
samples[1][] is x,y is lower right.
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