[cairo] Pixels data mismatch while loading image with OpenCv and CairoGraphics

[Maarten Bosmans]

2011/9/14 Deepak Kumar JAIN <deepak19dec at gmail.com>:
> Hello All,
>
> When I load the same png image in OpenCV and cairoGraphics, I see that the
> data of the image is not same.
>
>
> http://postimage.org/image/vlpntz38/
>
> Image can be seen here. I see that every 4th data entry in after I get data
> from surface has value of 255. I dont know why.
>
> Can anyone give the explanation of this?

OpenCV is probably expecting RGB, while cairo is providing ARGB data.

Try constructing a 24bpp ImageSurface.

Maarten

> Thanks,
> Deepak
>
>
>
> --
>
> Thanks & Regards,
> Deepak Kumar JAIN
> Internship student,
> Orange Labs,France Telecom,
> Rennes, France
> Contact: +33(0)6 31 15 44 66
> www.deepakkumarjain.co.cc
>
> "I err therefore I am "- Saint Augustine
>
>
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