Re: [Plplot-devel] Question regarding extcairo driver and the geometry parameter

[Mark de W. <m.d...@da...>]

Alan W. Irwin wrote:
> On 2009-09-18 11:10+0200 Werner Smekal wrote:
>> On 18.09.2009, at 10:21, Mark de Wever wrote:
>>> The attached patch shows the modification I did to try to resize the
>>> plot area and move the location of its origin in that test. The
>>> resizing works, but the modification to the origin doesn't. It also
>>> seems the origin is undocumented in the plplot documentation, so I
>>> wonder whether it's supposed to work or not.
>>
>> AFAIK, should these parameters change the size of the plot area in a
>> window (and therefore the size of the window) and the position of the
>> window. At least the xwin driver implemented it that way, and I did
>> the same for the wxWidgets driver. Other drivers may ignore position
>> parameters.
> 
> I agree the geometry option for the command line wasn't fully documented.
> I have now updated that (revision 10421).

Thanks for updating the documentation.

> Note, that option or the equivalent plspage command can set xlength, 
> ylength,
> xoffset, and yoffset.  Supplementing what Werner said, we have the
> following results:

<snip>

> That is, a lot of drivers pay attention to [xy]length set by -geometry or
> plspage, but relatively few currently pay attention to [xy]offset set with
> the same means. However, that deficiency should be easy to rectify for,
> e.g., xcairo and extqcairo, and I would be happy to accept a patch to that
> effect.  I would also be happy to accept a similar patch for qtwidget and
> extqt.

Thanks for the confirmation that the geometry offsets should work, but 
that it isn't implemented in all drivers at the moment.

Regards,
Mark de Wever