On Tue, May 19, 2009 at 12:30 PM, Chris Colbert <[email protected]> wrote: > this message got sent before it was finished. > > At any rate, am I on the right track here? I'll need a way, at the very > least to expose the data buffer of the image to python so I can display on > the screen via wxPython. >
IMHO, that's definitely the right track. However, take into account name clashing (between your cdef class and the C handles). > Chris > > On Tue, May 19, 2009 at 11:29 AM, Chris Colbert <[email protected]> wrote: >> >> I think i'm starting to wrap my head around all of this, but I have a >> question about expose a C data type to python. >> >> I'm interfacing with the OpenCV library whose fundamental data structure >> is an IplImage. Most of the functional code passes around pointers to these >> types and can do this in cython with no problem. I hit the wall when I try >> to get my final result back into python. I have been trying to just pass the >> pointer back which obviously wont work. Now, I am thinking the right way to >> go about it is to write an extension type that interfacing with the >> structure on the C level. >> >> i.e. something like: >> >> cdef class IplImage: >> cdef IplImage* img >> >> def __init__( >> >> > > > _______________________________________________ > Cython-dev mailing list > [email protected] > http://codespeak.net/mailman/listinfo/cython-dev > > -- Lisandro Dalcín --------------- Centro Internacional de Métodos Computacionales en Ingeniería (CIMEC) Instituto de Desarrollo Tecnológico para la Industria Química (INTEC) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) PTLC - Güemes 3450, (3000) Santa Fe, Argentina Tel/Fax: +54-(0)342-451.1594 _______________________________________________ Cython-dev mailing list [email protected] http://codespeak.net/mailman/listinfo/cython-dev
