src.utils/java3d/jp/nyatla/nyartoolkit/java3d/utils/NyARSingleMarkerBehaviorHolder.java

   1 /* \r
   2  * PROJECT: NyARToolkit Java3D 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.java3d.utils;\r
  28 \r
  29 import java.util.Enumeration;\r
  30 \r
  31 import javax.media.Buffer;\r
  32 import javax.media.j3d.*;\r
  33 import javax.vecmath.*;\r
  34 \r
  35 import jp.nyatla.nyartoolkit.NyARException;\r
  36 import jp.nyatla.nyartoolkit.jmf.utils.*;\r
  37 import jp.nyatla.nyartoolkit.core.*;\r
  38 import jp.nyatla.nyartoolkit.core.param.NyARParam;\r
  39 import jp.nyatla.nyartoolkit.core.transmat.NyARTransMatResult;\r
  40 import jp.nyatla.nyartoolkit.detector.*;\r
  41 import jp.nyatla.nyartoolkit.core.types.*;\r
  42 \r
  43 /**\r
  44  * NyARToolkitと連動したBehaviorを返却するクラスです。\r
  45  * 提供できるBehaviorは、BackgroundとTransformgroupです。\r
  46  *\r
  47  */\r
  48 public class NyARSingleMarkerBehaviorHolder implements JmfCaptureListener\r
  49 {\r
  50         private NyARParam _cparam;\r
  51 \r
  52         private JmfCaptureDevice _capture;\r
  53 \r
  54         private J3dNyARRaster_RGB _nya_raster;//最大3スレッドで共有されるので、排他制御かけること。\r
  55 \r
  56         private NyARSingleDetectMarker _nya;\r
  57 \r
  58         //Behaviorホルダ\r
  59         private NyARBehavior _nya_behavior;\r
  60 \r
  61         public NyARSingleMarkerBehaviorHolder(NyARParam i_cparam, float i_rate, NyARCode i_ar_code, double i_marker_width) throws NyARException\r
  62         {\r
  63                 this._nya_behavior = null;\r
  64                 final NyARIntSize scr_size = i_cparam.getScreenSize();\r
  65                 this._cparam = i_cparam;\r
  66                 //キャプチャの準備\r
  67                 JmfCaptureDeviceList devlist=new JmfCaptureDeviceList();\r
  68                 this._capture=devlist.getDevice(0);\r
  69                 this._capture.setCaptureFormat(JmfCaptureDevice.PIXEL_FORMAT_RGB,scr_size.w, scr_size.h,15f);\r
  70                 this._capture.setOnCapture(this);               \r
  71                 this._nya_raster = new J3dNyARRaster_RGB(this._cparam);\r
  72                 this._nya = new NyARSingleDetectMarker(this._cparam, i_ar_code, i_marker_width);\r
  73                 this._nya_behavior = new NyARBehavior(this._nya, this._nya_raster, i_rate);\r
  74         }\r
  75 \r
  76         public Behavior getBehavior()\r
  77         {\r
  78                 return this._nya_behavior;\r
  79         }\r
  80 \r
  81         /**\r
  82          * i_back_groundにキャプチャ画像を転送するようにBehaviorを設定します。\r
  83          * i_back_groungはALLOW_IMAGE_WRITE属性を持つものである必要があります。\r
  84          * @param i_back_groung\r
  85          * @return\r
  86          */\r
  87         public void setBackGround(Background i_back_ground)\r
  88         {\r
  89                 //コール先で排他制御\r
  90                 this._nya_behavior.setRelatedBackGround(i_back_ground);\r
  91         }\r
  92 \r
  93         /**\r
  94          * i_trgroupの座標系をマーカーにあわせるようにBehaviorを設定します。\r
  95          *\r
  96          */\r
  97         public void setTransformGroup(TransformGroup i_trgroup)\r
  98         {\r
  99                 //コール先で排他制御\r
 100                 this._nya_behavior.setRelatedTransformGroup(i_trgroup);\r
 101         }\r
 102 \r
 103         /**\r
 104          * 座標系再計算後に呼び出されるリスナです。\r
 105          * @param i_listener\r
 106          */\r
 107         public void setUpdateListener(NyARSingleMarkerBehaviorListener i_listener)\r
 108         {\r
 109                 //コール先で排他制御\r
 110                 this._nya_behavior.setUpdateListener(i_listener);\r
 111         }\r
 112 \r
 113         /**\r
 114          * ラスタを更新 コールバック関数だから呼んじゃらめえ\r
 115          */\r
 116         public void onUpdateBuffer(Buffer i_buffer)\r
 117         {\r
 118                 try {\r
 119                         synchronized (this._nya_raster) {\r
 120                                 this._nya_raster.setBuffer(i_buffer);\r
 121                         }\r
 122                 } catch (Exception e) {\r
 123                         e.printStackTrace();\r
 124                 }\r
 125         }\r
 126 \r
 127         public void start() throws NyARException\r
 128         {\r
 129                 //開始\r
 130                 this._capture.start();\r
 131         }\r
 132 \r
 133         public void stop()\r
 134         {\r
 135                 this._capture.stop();\r
 136         }\r
 137 }\r
 138 \r
 139 class NyARBehavior extends Behavior\r
 140 {\r
 141         private NyARTransMatResult trans_mat_result = new NyARTransMatResult();\r
 142 \r
 143         private NyARSingleDetectMarker related_nya;\r
 144 \r
 145         private TransformGroup trgroup;\r
 146 \r
 147         private Background back_ground;\r
 148 \r
 149         private J3dNyARRaster_RGB raster;\r
 150 \r
 151         private WakeupCondition wakeup;\r
 152 \r
 153         private NyARSingleMarkerBehaviorListener listener;\r
 154 \r
 155         public void initialize()\r
 156         {\r
 157                 wakeupOn(wakeup);\r
 158         }\r
 159 \r
 160         /**\r
 161          * i_related_ic2dの内容で定期的にi_back_groundを更新するBehavior\r
 162          * @param i_back_ground\r
 163          * @param i_related_ic2d\r
 164          */\r
 165         public NyARBehavior(NyARSingleDetectMarker i_related_nya, J3dNyARRaster_RGB i_related_raster, float i_rate)\r
 166         {\r
 167                 super();\r
 168                 wakeup = new WakeupOnElapsedTime((int) (1000 / i_rate));\r
 169                 related_nya = i_related_nya;\r
 170                 trgroup = null;\r
 171                 raster = i_related_raster;\r
 172                 back_ground = null;\r
 173                 listener = null;\r
 174                 this.setSchedulingBounds(new BoundingSphere(new Point3d(), 100.0));\r
 175         }\r
 176 \r
 177         public void setRelatedBackGround(Background i_back_ground)\r
 178         {\r
 179                 synchronized (raster) {\r
 180                         back_ground = i_back_ground;\r
 181                 }\r
 182         }\r
 183 \r
 184         public void setRelatedTransformGroup(TransformGroup i_trgroup)\r
 185         {\r
 186                 synchronized (raster) {\r
 187                         trgroup = i_trgroup;\r
 188                 }\r
 189         }\r
 190 \r
 191         public void setUpdateListener(NyARSingleMarkerBehaviorListener i_listener)\r
 192         {\r
 193                 synchronized (raster) {\r
 194                         listener = i_listener;\r
 195                 }\r
 196         }\r
 197 \r
 198         /**\r
 199          * いわゆるイベントハンドラ\r
 200          */\r
 201         public void processStimulus(Enumeration criteria)\r
 202         {\r
 203                 try {\r
 204                         synchronized (raster) {\r
 205                                 Transform3D t3d = null;\r
 206                                 boolean is_marker_exist = false;\r
 207                                 if (back_ground != null) {\r
 208                                         raster.renewImageComponent2D();/*DirectXモードのときの対策*/\r
 209                                         back_ground.setImage(raster.getImageComponent2D());\r
 210                                 }\r
 211                                 if (raster.hasData()) {\r
 212                                         is_marker_exist = related_nya.detectMarkerLite(raster, 100);\r
 213                                         if (is_marker_exist)\r
 214                                         {\r
 215                                                 final NyARTransMatResult src = this.trans_mat_result;\r
 216                                                 related_nya.getTransmationMatrix(src);\r
 217                                                 Matrix4d matrix = new Matrix4d(src.m00, -src.m10, -src.m20, 0, -src.m01, src.m11, src.m21, 0, -src.m02, src.m12, src.m22, 0, -src.m03, src.m13, src.m23, 1);\r
 218                                                 matrix.transpose();\r
 219                                                 t3d = new Transform3D(matrix);\r
 220                                                 if (trgroup != null) {\r
 221                                                         trgroup.setTransform(t3d);\r
 222                                                 }\r
 223                                         }\r
 224                                 }\r
 225                                 if (listener != null) {\r
 226                                         listener.onUpdate(is_marker_exist, t3d);\r
 227                                 }\r
 228                         }\r
 229                         wakeupOn(wakeup);\r
 230                 } catch (Exception e) {\r
 231                         e.printStackTrace();\r
 232                 }\r
 233         }\r
 234 }\r