[GEM-dev] pix_set new features

[Antoine Villeret]

it sounds great,

how can I help ?
who starts ?

+
a
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do it yourself
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2012/12/11 IOhannes m zmoelnig <zmoelnig at iem.at>:
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> On 2012-12-07 13:39, Antoine Villeret wrote:
>> i think this is a good idea i usually make changes to pix_object to
>> fit the requirement of my working projects if i have the
>> opportunity to do that for other objects (and i hope this happens
>> soon) i'll let you know
>
>
> so my plan is actually something like this:
> - - add a new property "ROI" to the GemState.
> - - add a new object [pix_roi] that allows you to set the roi in a
> normalized form (0..1 rather than 0..<width>); this object will simply
> set the "ROI" property.
> - - have the pix_objects use these roi-property.
>
> in order for the latter to work more consistently, it would be nice
> (in a 2nd step?), to change the architecture of the pix_objects slightly:
>
> - - add new virtual methods called like
>   processLineRGBA(void*data, unsigned int width, imageStruct*img);
>
> for line-wise processing (with context).
>
> GemPixObject would then take care of calling processLine correctly for
> the given ROI.
>
>
> if done correctly, we could also utilize this to allow parallel
> processing of pixes as well (see [1].
>
> fgmasdr
> IOhannes
>
> [1]
> http://hirntier.blogspot.co.at/2009/02/parallelizing-video-routines.html
>
>
>
>>
>> best
>>
>> a -- do it yourself http://antoine.villeret.free.fr
>> http://drii.ensad.fr -- Google lit ce mail... si vous refusez cela,
>> utilisez l'adresse antoine.villeret [at] free.fr pour me contacter
>>
>>
>> 2012/12/7 IOhannes m zmölnig <zmoelnig at iem.at>:
>>> On 12/07/2012 01:50, Antoine Villeret wrote:
>>>>
>>>> hi all,
>>>>
>>>> i've added some new features to pix_set : - roisize and
>>>> roioffset which allow to set only a small part of the whole
>>>> image - fill which set all the pixels by sending only one value
>>>> (no need to make a huge list...)
>>>>
>>>> the help patch have been updated and i also make an example
>>>> 04.pix/27.bitmap_font.pd
>>>>
>>>> feedback are welcome feel free to include it in Gem
>>>
>>>
>>> thanks for your patches.
>>>
>>> eventually i would like to have generic ROI support for all pix_
>>> objects (apart from some objects where it doesn't make sense).
>>> this however, would require a "rewrite" (substantial adaption) of
>>> the processing core of all objects :-(
>>>
>>>
>>> fgmasdr IOhannes
>>>
>>>
>>> _______________________________________________ GEM-dev mailing
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>>
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