[sane-devel] Basic Image Buffering

[m. allan noah]

what data type is imageData? why not memcpy instead?

allan

On Mon, Feb 2, 2009 at 7:43 PM,  <dio.rahman at gmail.com> wrote:
> Dear all,
>
> I have a basic question on buffering the image.
>
> Suppose I have an image data pointer * imageData; and I have image
> dimension information i.e. width and height.
>
> I need to copy the bytes read from the scanning process i.e. in the
> buffer (sane_read(buffer,buffer_size,&len)) to the image data.
>
> So, I do:
>
> for(int i=0;i<len;i++)
>    *(imageData++) = buffer[i]
> until I found the SANE_STATUS_EOF
>
> but, when I showed the image, the pixel is not in the right order;
> Anyone can help me?
>
> Thanks
>
> Dio
> NOTE: I'm using CanonScan LiDE 50 -- grayscale image; and doing find
> with the scanimage example
>
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