[Qgis-developer] New watermark plugin using QgsPluginLayer

[John C. Tull]

Hi Mathias,

This is a nice demonstration of the QgsPluginLayer. It worked very well on my OS X trunk build, with the exception of the print composer scaling issue that you mentioned. 

Would it be difficult to enhance the plugin to include some placement options (i.e., upper right, upper left, lower right, lower left and center)? Also, transparency settings would be useful as well.

Cheers,
John

On Jan 29, 2010, at 7:49 AM, Mathias Walker wrote:

> We have added a watermark plugin to the Sourcepole repository, showing the 
> basic usage of the recently added QgsPluginLayer. With this plugin you can add 
> a layer showing a semitransparent user-defined image in the lower left corner 
> of the map.
> 
> The tricky bit was calculating the scaling and dimensions of the painter area 
> in draw(), so the watermark is also rendered correctly in the print composer. 
> This calculation could eventually be moved to QgsPluginLayer.
> There is still the issue of the unscaled rendering in the print composer 
> preview.
> 
> You can find the plugin sources at
> http://github.com/pka/qgis-watermark-plugin
> 
> Best regards
> Mathias Walker
> -- 
> Sourcepole -  Linux & Open Source Solutions
> Elestastr. 18   7310 Bad Ragaz  Switzerland
> Tel: 081 330 77 11       Fax: 081 330 77 12
> mwa at sourcepole.ch  http://www.sourcepole.ch
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