trunk/src/jp/nyatla/nyartoolkit/core/raster/rgb/NyARRgbRaster_BGRA.java

   1 /* \r
   2  * PROJECT: NyARToolkit\r
   3  * --------------------------------------------------------------------------------\r
   4  * This work is based on the original ARToolKit developed by\r
   5  *   Hirokazu Kato\r
   6  *   Mark Billinghurst\r
   7  *   HITLab, University of Washington, Seattle\r
   8  * http://www.hitl.washington.edu/artoolkit/\r
   9  *\r
  10  * The NyARToolkit is Java version ARToolkit class library.\r
  11  * Copyright (C)2008 R.Iizuka\r
  12  *\r
  13  * This program is free software; you can redistribute it and/or\r
  14  * modify it under the terms of the GNU General Public License\r
  15  * as published by the Free Software Foundation; either version 2\r
  16  * of the License, or (at your option) any later version.\r
  17  * \r
  18  * This program is distributed in the hope that it will be useful,\r
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  21  * GNU General Public License for more details.\r
  22  * \r
  23  * You should have received a copy of the GNU General Public License\r
  24  * along with this framework; if not, write to the Free Software\r
  25  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\r
  26  * \r
  27  * For further information please contact.\r
  28  *      http://nyatla.jp/nyatoolkit/\r
  29  *      <airmail(at)ebony.plala.or.jp>\r
  30  * \r
  31  */\r
  32 package jp.nyatla.nyartoolkit.core.raster.rgb;\r
  33 \r
  34 import jp.nyatla.nyartoolkit.core.rasterreader.*;\r
  35 import jp.nyatla.nyartoolkit.core.types.*;\r
  36 \r
  37 public class NyARRgbRaster_BGRA extends NyARRgbRaster_BasicClass implements INyARRgbRaster\r
  38 {\r
  39         private class PixelReader implements INyARRgbPixelReader\r
  40         {\r
  41                 private NyARRgbRaster_BGRA _parent;\r
  42 \r
  43                 public PixelReader(NyARRgbRaster_BGRA i_parent)\r
  44                 {\r
  45                         this._parent = i_parent;\r
  46                 }\r
  47 \r
  48                 public void getPixel(int i_x, int i_y, int[] o_rgb)\r
  49                 {\r
  50                         final byte[] ref_buf = this._parent._ref_buf;\r
  51                         final int bp = (i_x + i_y * this._parent._size.w) * 4;\r
  52                         o_rgb[0] = (ref_buf[bp + 2] & 0xff);// R\r
  53                         o_rgb[1] = (ref_buf[bp + 1] & 0xff);// G\r
  54                         o_rgb[2] = (ref_buf[bp + 0] & 0xff);// B\r
  55                         return;\r
  56                 }\r
  57 \r
  58                 public void getPixelSet(int[] i_x, int[] i_y, int i_num, int[] o_rgb)\r
  59                 {\r
  60                         int bp;\r
  61                         final int width = _parent._size.w;\r
  62                         final byte[] ref_buf = _parent._ref_buf;\r
  63                         for (int i = i_num - 1; i >= 0; i--) {\r
  64                                 bp = (i_x[i] + i_y[i] * width) * 4;\r
  65                                 o_rgb[i * 3 + 0] = (ref_buf[bp + 2] & 0xff);// R\r
  66                                 o_rgb[i * 3 + 1] = (ref_buf[bp + 1] & 0xff);// G\r
  67                                 o_rgb[i * 3 + 2] = (ref_buf[bp + 0] & 0xff);// B\r
  68                         }\r
  69                         return;\r
  70                 }\r
  71         }\r
  72 \r
  73         private INyARRgbPixelReader _rgb_reader;\r
  74         private INyARBufferReader _buffer_reader;\r
  75         private byte[] _ref_buf;\r
  76 \r
  77         public static NyARRgbRaster_BGRA wrap(byte[] i_buffer, int i_width, int i_height)\r
  78         {\r
  79                 return new NyARRgbRaster_BGRA(i_buffer, i_width, i_height);\r
  80         }\r
  81 \r
  82         private NyARRgbRaster_BGRA(byte[] i_buffer, int i_width, int i_height)\r
  83         {\r
  84                 super(new NyARIntSize(i_width,i_height));\r
  85                 this._ref_buf = i_buffer;\r
  86                 this._rgb_reader = new PixelReader(this);\r
  87                 this._buffer_reader=new NyARBufferReader(i_buffer,INyARBufferReader.BUFFERFORMAT_BYTE1D_B8G8R8X8_32);\r
  88                 return;\r
  89         }\r
  90         public INyARRgbPixelReader getRgbPixelReader()\r
  91         {\r
  92                 return this._rgb_reader;\r
  93         }\r
  94         public INyARBufferReader getBufferReader()\r
  95         {\r
  96                 return this._buffer_reader;\r
  97         }\r
  98 }\r