rt_raster_wkb_size()

static uint32_t rt_raster_wkb_size ( rt_raster  raster, int  outasin  )

static

Definition at line 441 of file rt_wkb.c.

References ovdump::band, rt_raster_t::bands, rt_band_t::data, rt_raster_t::height, rt_raster_t::numBands, rt_band_t::offline, rt_band_t::pixtype, RASTER_DEBUGF, rt_pixtype_size(), RT_WKB_HDR_SZ, rterror(), and rt_raster_t::width.

Referenced by rt_raster_to_wkb().

                                                  {
        uint32_t size = RT_WKB_HDR_SZ;
        uint16_t i = 0;

        assert(NULL != raster);

        RASTER_DEBUGF(3, "rt_raster_wkb_size: computing size for %d bands",
                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);

                RASTER_DEBUGF(3, "rt_raster_wkb_size: adding size of band %d", i);

                if (pixbytes < 1) {
                        rterror("rt_raster_wkb_size: Corrupted band: unknown pixtype");
                        return 0;
                }

                /* Add space for band type */
                size += 1;

                /* Add space for nodata value */
                size += pixbytes;

                if (!outasin && 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 actual data */
                        size += pixbytes * raster->width * raster->height;
                }
        }

        return size;
}

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