Function icvWriteImage

deps/opencv/modules/core/src/persistence.cpp:3893–3943

}

static void
icvWriteImage( CvFileStorage* fs, const char* name,
               const void* struct_ptr, CvAttrList /*attr*/ )
{
    const IplImage* image = (const IplImage*)struct_ptr;
    char dt_buf[16], *dt;
    CvSize size;
    int y, depth;

    assert( CV_IS_IMAGE(image) );

    if( image->dataOrder == IPL_DATA_ORDER_PLANE )
        CV_Error( CV_StsUnsupportedFormat,
        "Images with planar data layout are not supported" );

    cvStartWriteStruct( fs, name, CV_NODE_MAP, CV_TYPE_NAME_IMAGE );
    cvWriteInt( fs, "width", image->width );
    cvWriteInt( fs, "height", image->height );
    cvWriteString( fs, "origin", image->origin == IPL_ORIGIN_TL
                   ? "top-left" : "bottom-left", 0 );
    cvWriteString( fs, "layout", image->dataOrder == IPL_DATA_ORDER_PLANE
                   ? "planar" : "interleaved", 0 );
    if( image->roi )
    {
        cvStartWriteStruct( fs, "roi", CV_NODE_MAP + CV_NODE_FLOW );
        cvWriteInt( fs, "x", image->roi->xOffset );
        cvWriteInt( fs, "y", image->roi->yOffset );
        cvWriteInt( fs, "width", image->roi->width );
        cvWriteInt( fs, "height", image->roi->height );
        cvWriteInt( fs, "coi", image->roi->coi );
        cvEndWriteStruct( fs );
    }

    depth = IPL2CV_DEPTH(image->depth);
    sprintf( dt_buf, "%d%c", image->nChannels, icvTypeSymbol[depth] );
    dt = dt_buf + (dt_buf[2] == '\0' && dt_buf[0] == '1');
    cvWriteString( fs, "dt", dt, 0 );

    size = cvSize(image->width, image->height);
    if( size.width*image->nChannels*CV_ELEM_SIZE(depth) == image->widthStep )
    {
        size.width *= size.height;
        size.height = 1;
    }

    cvStartWriteStruct( fs, "data", CV_NODE_SEQ + CV_NODE_FLOW );
    for( y = 0; y < size.height; y++ )
        cvWriteRawData( fs, image->imageData + y*image->widthStep, size.width, dt );
    cvEndWriteStruct( fs );
    cvEndWriteStruct( fs );
}


static void*