branches/nyatla/src.utils/jmf/jp/nyatla/nyartoolkit/jmf/utils/JmfNyARRaster_RGB.java

   1 /* \r
   2  * PROJECT: NyARToolkit JMF utilities.\r
   3  * --------------------------------------------------------------------------------\r
   4  * The MIT License\r
   5  * Copyright (c) 2008 nyatla\r
   6  * airmail(at)ebony.plala.or.jp\r
   7  * http://nyatla.jp/nyartoolkit/\r
   8  * \r
   9  * Permission is hereby granted, free of charge, to any person obtaining a copy\r
  10  * of this software and associated documentation files (the "Software"), to deal\r
  11  * in the Software without restriction, including without limitation the rights\r
  12  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\r
  13  * copies of the Software, and to permit persons to whom the Software is\r
  14  * furnished to do so, subject to the following conditions:\r
  15  * The above copyright notice and this permission notice shall be included in\r
  16  * all copies or substantial portions of the Software.\r
  17  * \r
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\r
  21  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r
  22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\r
  23  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\r
  24  * THE SOFTWARE.\r
  25  * \r
  26  */\r
  27 package jp.nyatla.nyartoolkit.jmf.utils;\r
  28 \r
  29 import javax.media.format.*;\r
  30 import java.awt.Dimension;\r
  31 \r
  32 import jp.nyatla.nyartoolkit.NyARException;\r
  33 import jp.nyatla.nyartoolkit.core.raster.rgb.*;\r
  34 import jp.nyatla.nyartoolkit.core.rasterreader.*;\r
  35 import jp.nyatla.nyartoolkit.core.types.*;\r
  36 /**\r
  37  * \r
  38  * RGB形式のJMFバッファをラップするNyARRasterです。\r
  39  * JMFから得たラスタデータのピクセル並び順を考慮します。\r
  40  *\r
  41  */\r
  42 public class JmfNyARRaster_RGB extends NyARRgbRaster_BasicClass\r
  43 {\r
  44         protected class Reader implements INyARRgbPixelReader,INyARBufferReader\r
  45         {\r
  46                 private int _buffer_type = INyARBufferReader.BUFFERFORMAT_NULL_ALLZERO;\r
  47                 private byte[] _ref_buf;\r
  48                 private NyARIntSize _size;\r
  49 \r
  50                 public Reader(NyARIntSize i_size)\r
  51                 {\r
  52                         this._size = i_size;\r
  53                 }\r
  54                 //\r
  55                 //INyARRgbPixelReader\r
  56                 //\r
  57                 public void getPixel(int i_x, int i_y, int[] o_rgb) throws NyARException\r
  58                 {\r
  59                         int bp = (i_x + i_y * this._size.w) * 3;\r
  60                         byte[] ref = this._ref_buf;\r
  61                         switch (this._buffer_type) {\r
  62                         case INyARBufferReader.BUFFERFORMAT_BYTE1D_R8G8B8_24:\r
  63                                 o_rgb[0] = (ref[bp + 0] & 0xff);// R\r
  64                                 o_rgb[1] = (ref[bp + 1] & 0xff);// G\r
  65                                 o_rgb[2] = (ref[bp + 2] & 0xff);// B\r
  66                                 break;\r
  67                         case INyARBufferReader.BUFFERFORMAT_BYTE1D_B8G8R8_24:\r
  68                                 o_rgb[0] = (ref[bp + 2] & 0xff);// B\r
  69                                 o_rgb[1] = (ref[bp + 1] & 0xff);// G\r
  70                                 o_rgb[2] = (ref[bp + 0] & 0xff);// R\r
  71                                 break;\r
  72                         default:\r
  73                                 throw new NyARException();\r
  74                         }\r
  75                         return;\r
  76                 }\r
  77 \r
  78                 public void getPixelSet(int[] i_x, int i_y[], int i_num, int[] o_rgb) throws NyARException\r
  79                 {\r
  80                         int width = this._size.w;\r
  81                         byte[] ref = this._ref_buf;\r
  82                         int bp;\r
  83                         switch (this._buffer_type) {\r
  84                         case INyARBufferReader.BUFFERFORMAT_BYTE1D_R8G8B8_24:\r
  85                                 for (int i = i_num - 1; i >= 0; i--) {\r
  86                                         bp = (i_x[i] + i_y[i] * width) * 3;\r
  87                                         o_rgb[i * 3 + 0] = (ref[bp + 0] & 0xff);// R\r
  88                                         o_rgb[i * 3 + 1] = (ref[bp + 1] & 0xff);// G\r
  89                                         o_rgb[i * 3 + 2] = (ref[bp + 2] & 0xff);// B\r
  90                                 }\r
  91                                 break;\r
  92                         case INyARBufferReader.BUFFERFORMAT_BYTE1D_B8G8R8_24:\r
  93                                 for (int i = i_num - 1; i >= 0; i--) {\r
  94                                         bp = (i_x[i] + i_y[i] * width) * 3;\r
  95                                         o_rgb[i * 3 + 0] = (ref[bp + 2] & 0xff);// R\r
  96                                         o_rgb[i * 3 + 1] = (ref[bp + 1] & 0xff);// G\r
  97                                         o_rgb[i * 3 + 2] = (ref[bp + 0] & 0xff);// B\r
  98                                 }\r
  99                                 break;\r
 100                         default:\r
 101                                 throw new NyARException();\r
 102                         }\r
 103                         return;\r
 104                 }\r
 105 \r
 106                 public void changeBuffer(int i_buffer_type, byte[] i_buffer)\r
 107                 {\r
 108                         if(i_buffer_type==1){\r
 109                                 System.out.println("aaa");\r
 110                         }\r
 111                         \r
 112                         this._buffer_type = i_buffer_type;\r
 113                         this._ref_buf = i_buffer;\r
 114                 }\r
 115                 //\r
 116                 //INyARBufferReader\r
 117                 //\r
 118                 public Object getBuffer()\r
 119                 {\r
 120                         return this._ref_buf;\r
 121                 }\r
 122                 public int getBufferType()\r
 123                 {\r
 124                         return _buffer_type;\r
 125                 }\r
 126                 public boolean isEqualBufferType(int i_type_value)\r
 127                 {\r
 128                         return this._buffer_type==i_type_value;\r
 129                 }               \r
 130         }\r
 131 \r
 132         protected byte[] _ref_buf;\r
 133         protected Reader _reader;\r
 134         /**\r
 135          * RGB形式のJMFバッファをラップするオブジェクトをつくります。 生成直後のオブジェクトはデータを持ちません。\r
 136          * メンバ関数はsetBufferを実行後に使用可能になります。\r
 137          */\r
 138         public JmfNyARRaster_RGB(NyARIntSize i_size)\r
 139         {\r
 140                 super(new NyARIntSize(i_size.w,i_size.w));\r
 141                 this._size.w = i_size.w;\r
 142                 this._size.h = i_size.h;\r
 143                 this._ref_buf = null;\r
 144                 this._reader = new Reader(this._size);\r
 145         }\r
 146         public JmfNyARRaster_RGB(int i_width,int i_height)\r
 147         {\r
 148                 super(new NyARIntSize(i_width,i_height));\r
 149                 this._ref_buf = null;\r
 150                 this._reader = new Reader(this._size);\r
 151         }       \r
 152         \r
 153         /**\r
 154          * フォーマットを解析して、ラスタタイプを返します。\r
 155          * \r
 156          * @param i_fmt\r
 157          * @throws NyARException\r
 158          */\r
 159         protected int analyzeBufferType(RGBFormat i_fmt) throws NyARException\r
 160         {\r
 161                 // データサイズの確認\r
 162                 Dimension s = i_fmt.getSize();\r
 163                 if (!this._size.isEqualSize(s.width, s.height)) {\r
 164                         throw new NyARException();\r
 165                 }\r
 166                 // データ配列の確認\r
 167                 int r = i_fmt.getRedMask() - 1;\r
 168                 int b = i_fmt.getBlueMask() - 1;\r
 169 \r
 170                 // 色配列の特定\r
 171                 if (r == 0 && b == 2) {\r
 172                         return INyARBufferReader.BUFFERFORMAT_BYTE1D_R8G8B8_24;\r
 173                 } else if (r == 2 && b == 0) {\r
 174                         return INyARBufferReader.BUFFERFORMAT_BYTE1D_B8G8R8_24;\r
 175                 } else {\r
 176                         throw new NyARException("Unknown pixel order.");\r
 177                 }\r
 178         }\r
 179 \r
 180         /**\r
 181          * javax.media.Bufferを分析して、その分析結果をNyARRasterに適合する形で保持します。\r
 182          * 関数実行後に外部でi_bufferの内容変更した場合には、再度setBuffer関数を呼び出してください。\r
 183          * この関数を実行すると、getRgbPixelReaderで取得したReaderのプロパティが変化することがあります。\r
 184          * @param i_buffer\r
 185          * RGB形式のデータを格納したjavax.media.Bufferオブジェクトを指定してください。\r
 186          * @return i_bufferをラップしたオブジェクトを返します。\r
 187          * @throws NyARException\r
 188          */\r
 189         public void setBuffer(javax.media.Buffer i_buffer) throws NyARException\r
 190         {\r
 191                 int buftype= analyzeBufferType((RGBFormat) i_buffer.getFormat());\r
 192                 this._ref_buf = (byte[]) i_buffer.getData();\r
 193                 this._reader.changeBuffer(buftype, this._ref_buf);\r
 194         }\r
 195 \r
 196         /**\r
 197          * データを持っているかを返します。\r
 198          * @return\r
 199          */\r
 200         public boolean hasData()\r
 201         {\r
 202                 return this._ref_buf != null;\r
 203         }\r
 204 \r
 205         public INyARRgbPixelReader getRgbPixelReader()\r
 206         {\r
 207                 return this._reader;\r
 208         }\r
 209         public INyARBufferReader getBufferReader()\r
 210         {\r
 211                 return this._reader;\r
 212         }\r
 213 }\r