cameracanvas.java

来自「A J2ME Weblog Client for mobile devices 」· Java 代码 · 共 49 行

/*
 * Copyright (C) 2004 MobileBlogger Development Team
 */
package net.sourceforge.mobileblogger;

import javax.microedition.lcdui.*;
import javax.microedition.media.MediaException;
import javax.microedition.media.control.VideoControl;
import javax.microedition.midlet.*;

public class CameraCanvas extends Canvas {

  Camera cam;

  public CameraCanvas(MIDlet midlet, VideoControl videoControl, Camera c) {
    cam = c;
    int width = getWidth();
    int height = getHeight();


    videoControl.initDisplayMode(VideoControl.USE_DIRECT_VIDEO, this);
    try {
      videoControl.setDisplayLocation(2, 2);
      videoControl.setDisplaySize(width - 4, height - 4);
    }
    catch (MediaException me) {
      try { videoControl.setDisplayFullScreen(true); }
      catch (MediaException me2) {}
    }
    videoControl.setVisible(true);
  }

  public void paint(Graphics g) {
    int width = getWidth();
    int height = getHeight();

    // green border
    g.setColor(0x00ff00);
    g.drawRect(0, 0, width - 1, height - 1);
    g.drawRect(1, 1, width - 3, height - 3);
  }

  public void keyPressed(int keyCode) {
    int action = getGameAction(keyCode);
    if (action == FIRE)
      cam.capture();
  }
}