branches/arc/src/jp/digitalmuseum/capture/sample/MyFrame.java

   1 package jp.digitalmuseum.capture.sample;\r
   2 \r
   3 import java.awt.Canvas;\r
   4 import java.awt.Graphics;\r
   5 import java.awt.image.BufferedImage;\r
   6 import java.awt.image.DataBuffer;\r
   7 import java.awt.image.WritableRaster;\r
   8 \r
   9 import javax.swing.JFrame;\r
  10 \r
  11 import jp.digitalmuseum.capture.AbstractVideoCapture;\r
  12 import jp.digitalmuseum.capture.VideoCaptureDummy;\r
  13 import jp.digitalmuseum.capture.VideoCaptureListener;\r
  14 import jp.digitalmuseum.capture.VideoCaptureQT;\r
  15 \r
  16 \r
  17 class MyFrame extends JFrame {\r
  18         private AbstractVideoCapture capture;\r
  19         private WritableRaster raster;\r
  20         private BufferedImage image;\r
  21 \r
  22         public MyFrame() {\r
  23                 // QuickTimeでキャプチャ\r
  24                 capture = new VideoCaptureQT(Const.CAP_WIDTH, Const.CAP_HEIGHT);\r
  25                 try {\r
  26                         capture.prepSetInput(null);\r
  27                         capture.start();\r
  28 \r
  29                 // 失敗したらダミーでキャプチャ\r
  30                 } catch (Exception e) {\r
  31                         e.printStackTrace();\r
  32                         capture = new VideoCaptureDummy(Const.CAP_WIDTH, Const.CAP_HEIGHT);\r
  33                         try {\r
  34                                 capture.start();\r
  35 \r
  36                         // ダミーすら初期化できなかったら終了\r
  37                         } catch (Exception e1) {\r
  38                                 e1.printStackTrace();\r
  39                                 dispose();\r
  40                         }\r
  41                 }\r
  42 \r
  43                 // キャンバスの初期化\r
  44                 MyCanvas canvas = new MyCanvas();\r
  45                 canvas.setSize(capture.getWidth(), capture.getHeight());\r
  46                 capture.addVideoCaptureListener(canvas);\r
  47                 add(canvas);\r
  48                 pack();\r
  49 \r
  50                 // メインウィンドウの初期化\r
  51                 setDefaultCloseOperation(DISPOSE_ON_CLOSE);\r
  52                 setTitle("sample");\r
  53                 setResizable(false);\r
  54                 setVisible(true);\r
  55         }\r
  56 \r
  57         /**\r
  58          * 終了処理\r
  59          */\r
  60         public void dispose() {\r
  61                 capture.dispose();\r
  62                 System.exit(0);\r
  63         }\r
  64 \r
  65         class MyCanvas extends Canvas implements VideoCaptureListener {\r
  66                 /**\r
  67                  * キャプチャ画像の描画\r
  68                  */\r
  69                 public void paint(Graphics g) {\r
  70                         if (image != null)\r
  71                                 g.drawImage(image, 0, 0, null);\r
  72                 }\r
  73                 public void repaint(Graphics g) { paint(g); }\r
  74                 public void update(Graphics g) { paint(g); }\r
  75 \r
  76                 /**\r
  77                  * キャプチャ画像のオブジェクト化\r
  78                  */\r
  79                 public void imageUpdated(byte[] pixels) {\r
  80                         // 実データを画像オブジェクトに変換する準備\r
  81                         if (raster == null) {\r
  82                                 raster = WritableRaster.createInterleavedRaster(DataBuffer.TYPE_BYTE,\r
  83                                                 capture.getWidth(), capture.getHeight(),\r
  84                                                 capture.getWidth()*3, 3,\r
  85                                                 new int[] { 0, 1, 2 }, null); \r
  86                                 image = new BufferedImage(capture.getWidth(), capture.getHeight(),\r
  87                                                 BufferedImage.TYPE_3BYTE_BGR);\r
  88                         }\r
  89 \r
  90                         // 実データを画像オブジェクトに変換\r
  91                         raster.setDataElements(0, 0, capture.getWidth(), capture.getHeight(), pixels);\r
  92                         image.setData(raster);\r
  93                         repaint();\r
  94                 }\r
  95 \r
  96         }\r
  97 \r
  98 }\r