tags/2.4.2/src/jp/nyatla/nyartoolkit/nyidmarker/data/NyIdMarkerDataEncoder_RawBit.java

   1 /* \r
   2  * PROJECT: NyARToolkit(Extension)\r
   3  * --------------------------------------------------------------------------------\r
   4  * The NyARToolkit is Java edition ARToolKit class library.\r
   5  * Copyright (C)2008-2009 Ryo Iizuka\r
   6  *\r
   7  * This program is free software: you can redistribute it and/or modify\r
   8  * it under the terms of the GNU General Public License as published by\r
   9  * the Free Software Foundation, either version 3 of the License, or\r
  10  * (at your option) any later version.\r
  11  * \r
  12  * This program is distributed in the hope that it will be useful,\r
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  15  * GNU General Public License for more details.\r
  16  *\r
  17  * You should have received a copy of the GNU General Public License\r
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.\r
  19  * \r
  20  * For further information please contact.\r
  21  *      http://nyatla.jp/nyatoolkit/\r
  22  *      <airmail(at)ebony.plala.or.jp> or <nyatla(at)nyatla.jp>\r
  23  * \r
  24  */\r
  25 package jp.nyatla.nyartoolkit.nyidmarker.data;\r
  26 \r
  27 import jp.nyatla.nyartoolkit.nyidmarker.*;\r
  28 \r
  29 \r
  30 public class NyIdMarkerDataEncoder_RawBit implements INyIdMarkerDataEncoder\r
  31 {       \r
  32         private final static int _DOMAIN_ID=0;\r
  33         private final static int[] _mod_data={7,31,127,511,2047,4095};\r
  34         public boolean encode(NyIdMarkerPattern i_data,INyIdMarkerData o_dest)\r
  35         {\r
  36                 final NyIdMarkerData_RawBit dest=(NyIdMarkerData_RawBit)o_dest;\r
  37                 if(i_data.ctrl_domain!=_DOMAIN_ID){\r
  38                         return false;\r
  39                 }\r
  40                 //パケット数計算\r
  41                 final int resolution_len=(i_data.model+1);\r
  42                 final int packet_length=(resolution_len*resolution_len)/8+1;\r
  43                 int sum=0;\r
  44                 for(int i=0;i<packet_length;i++){\r
  45                         dest.packet[i]=i_data.data[i];\r
  46                         sum+=i_data.data[i];\r
  47                 }\r
  48                 //チェックドット値計算\r
  49                 sum=sum%_mod_data[i_data.model-2];\r
  50                 //チェックドット比較\r
  51                 if(i_data.check!=sum){\r
  52                         return false;\r
  53                 }\r
  54                 dest.length=packet_length;\r
  55                 return true;\r
  56         }\r
  57         public INyIdMarkerData createDataInstance()\r
  58         {\r
  59                 return new NyIdMarkerData_RawBit();\r
  60         }\r
  61 }\r