rt_pixtype_size()

int rt_pixtype_size

(

rt_pixtype

pixtype

)

Return size in bytes of a value in the given pixtype.

Parameters

pixtype

: the pixel type to get byte size for

Returns

the pixel type's byte size

Definition at line 39 of file rt_pixel.c.

References PT_16BSI, PT_16BUI, PT_1BB, PT_2BUI, PT_32BF, PT_32BSI, PT_32BUI, PT_4BUI, PT_64BF, PT_8BSI, PT_8BUI, RASTER_DEBUGF, rt_pixtype_name(), and rterror().

Referenced by convert_raster(), cu_add_band(), rt_band_duplicate(), rt_band_from_wkb(), rt_band_get_pixel_line(), rt_band_reclass(), rt_band_set_pixel_line(), rt_pixtype_alignment(), rt_raster_deserialize(), rt_raster_from_gdal_dataset(), rt_raster_gdal_rasterize(), rt_raster_generate_new_band(), rt_raster_serialize(), rt_raster_serialized_size(), rt_raster_to_gdal_mem(), rt_raster_to_wkb(), rt_raster_wkb_size(), test_band_pixtype_16BSI(), test_band_pixtype_16BUI(), test_band_pixtype_1BB(), test_band_pixtype_2BUI(), test_band_pixtype_32BF(), test_band_pixtype_32BSI(), test_band_pixtype_32BUI(), test_band_pixtype_4BUI(), test_band_pixtype_64BF(), test_band_pixtype_8BSI(), test_band_pixtype_8BUI(), test_pixtype_size(), and test_raster_replace_band().

                                    {
        int pixbytes = -1;

        switch (pixtype) {
                case PT_1BB:
                case PT_2BUI:
                case PT_4BUI:
                case PT_8BSI:
                case PT_8BUI:
                        pixbytes = 1;
                        break;
                case PT_16BSI:
                case PT_16BUI:
                        pixbytes = 2;
                        break;
                case PT_32BSI:
                case PT_32BUI:
                case PT_32BF:
                        pixbytes = 4;
                        break;
                case PT_64BF:
                        pixbytes = 8;
                        break;
                default:
                        rterror("rt_pixtype_size: Unknown pixeltype %d", pixtype);
                        pixbytes = -1;
                        break;
        }

        RASTER_DEBUGF(3, "Pixel type = %s and size = %d bytes",
                rt_pixtype_name(pixtype), pixbytes);

        return pixbytes;
}

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