deskew plugin

[Schleimer, Ben]

Hi Michael,
  I had success putting my plugin into krita-plugins to get others to try it (ImageComplete and
LineSampler) and maybe later get it integrated into krita 1.6 branch or trunk.

See http://wiki.koffice.org/index.php?title=Krita/Developing_plugins for instructions on checking
out krita-plugins. Later, when you want to commit, email boud or cyrilleb or others to submit the
code and then you can get an account to submit directly to svn.

Cheers
Ben


--- Michael Thaler <michael.thaler at physik.tu-muenchen.de> wrote:

> Hi,
> 
> I ported the deskew plugin from gimp to Krita (1.6). Deskew is a plugin to 
> automatically rotate an image such that the text is straight. You can find 
> more information about the gimp deskew plugin here: 
> http://www.cubewano.org/gimp-deskew-plugin/
> 
> I don't know if it is currently allowed to check in code in Krita 1.6 so I put 
> the plugin on my homepage for now: 
> http://users.physik.tu-muenchen.de/mthaler/code/deskew.tar.gz
> You can use the image from 
> http://www.cubewano.org/gimp-deskew-plugin/attachment/wiki/Screenshots/bor-skewed.jpg 
> to try it out.
> 
> Just copy it into the krita/plugins/filters directory, then do a make -f 
> Makefile.cvs and ./configure --prefix=/usr/local --enable-debug=full (or 
> whatever options you use). This should create the necessary makefiles in the 
> deskew directory. cd there and just do make && make install. The plugin is 
> under enhance->deskew.
> 
> It is basically a pretty straightforward port of the gimp plugin code (which 
> is a port from some obscure tool). Right now it probably only works for RGB, 
> but it uses the the rotate_visitor to rotate the layer. So that part is 
> already colorspace independent. The only missing thing is to transform the 
> src pixels to rgb before analyzing them. Also I don't know if the preview 
> widget actually makes sense. I don't think the algorithm works with scaled 
> down text anyway, if the original text is not rather large. What do you 
> think?
> 
> Should I check this in the Krita 1.6 branch?
> 
> Greetings,
> Michael
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