rt_raster_serialized_size()

static uint32_t rt_raster_serialized_size ( rt_raster  raster )

static

Definition at line 463 of file rt_serialize.c.

                                            {
        uint32_t size = sizeof (struct rt_raster_serialized_t);
        uint16_t i = 0;
 
        assert(NULL != raster);
 
        RASTER_DEBUGF(3, "Serialized size with just header:%d - now adding size of %d bands",
                size, raster->numBands);
 
        for (i = 0; i < raster->numBands; ++i) {
                rt_band band = raster->bands[i];
                rt_pixtype pixtype = band->pixtype;
                int pixbytes = rt_pixtype_size(pixtype);
 
                if (pixbytes < 1) {
                        rterror("rt_raster_serialized_size: Corrupted band: unknown pixtype");
                        return 0;
                }
 
                /* Add space for band type, hasnodata flag and data padding */
                size += pixbytes;
 
                /* Add space for nodata value */
                size += pixbytes;
 
                if (band->offline) {
                        /* Add space for band number */
                        size += 1;
 
                        /* Add space for null-terminated path */
                        size += strlen(band->data.offline.path) + 1;
                }
                else {
                        /* Add space for raster band data */
                        size += pixbytes * raster->width * raster->height;
                }
 
                RASTER_DEBUGF(3, "Size before alignment is %d", size);
 
                /* Align size to 8-bytes boundary (trailing padding) */
                /* XXX jorgearevalo: bug here. If the size is actually 8-bytes aligned,
                   this line will add 8 bytes trailing padding, and it's not necessary */
                /*size += 8 - (size % 8);*/
                if (size % 8)
                        size += 8 - (size % 8);
 
                RASTER_DEBUGF(3, "Size after alignment is %d", size);
        }
 
        return size;
}

References RASTER_DEBUGF, rt_pixtype_size(), rterror(), and rt_raster_serialized_t::size.

Referenced by rt_raster_serialize().

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