[sane-devel] API addition request

[m. allan noah]

On Sat, Jun 20, 2009 at 3:21 PM, Kai-Uwe Behrmann <ku.b at gmx.de> wrote:

> Viannis SANE_CAP_COLOR is, in contrast to the below data structure, a macro
> defined flag for the SANE_Option_Descriptor::cap.
> The suggested flag is API and ABI backward compatible. So this change will
> be a very light one.
>

yes- I dont think anyone will object to this. however, no backends will set
the bit without a change, so then you are forced to assume it is always on,
even when it is off. If we make it part of a sane 2 standard, then we can
require that backends set the bit properly.

allan


>
> kind regards
> Kai-Uwe Behrmann
> --
> developing for colour management www.behrmann.name + www.oyranos.org
>
>
>  Date: Sat, 20 Jun 2009 14:42:07 +0200
>> From: Alessandro Zummo <azummo-lists at towertech.it>
>>
>
>  We could grow SANE_Parameter with a flags field and a version field:
>>
>> typedef struct
>> {
>>   SANE_Int version;
>>   SANE_Word flags;
>>   SANE_Frame format;
>>   SANE_Bool last_frame;
>>   SANE_Int bytes_per_line;
>>   SANE_Int pixels_per_line;
>>   SANE_Int lines;
>>   SANE_Int depth;
>> }
>> SANE_Parameters;
>>
>
>
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