Re: [Jython-users] Jython (pass float array to java) is there more pythonic way?

[Charlie G. <cha...@gm...>]

2009/8/12 Darius Kučinskas <d.k...@gm...>:
> Hi,
>
> I am writing jython application with eclipse SWT/JFace. I have to pass float
> array to java object to get back some values from it. I am using jarray
> package for it. Is there more pythonic way to do it?
>
> --->8 code 8<---
> bounds = zeros(4, 'f')
>
>
> # from java org.eclipse.swt.graphics.Path.getBounds(float[] bounds)
> path.getBounds(bounds)

Jython should convert python lists to Java arrays, so I think you can
do path.getBounds([0.0, 0.0, 0.0, 0.0])

> # from java org.eclipse.swt.graphics.Rectangle(int x, int y, int width,int
> height)
> rect = Rectangle(int(round(bounds[0])),
>
>
>                      int(round(bounds[1])),
>
>
>                      int(round(bounds[2])),
>
>
>                      int(round(bounds[3])))

You can combine Frank's list comprehension with an * to explode the
arguments to make this rect = Rectangle(*[int(round(x)) for x in
bounds])

Charlie