cameracanvas.java

j2me做的照相程序使用mmapi给有需要做这方面需要的人

/* License
 *
 * Copyright 1994-2004 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
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 *      this list of conditions and the following disclaimer.
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 * Neither the name of Sun Microsystems, Inc. or the names of contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
 * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
 * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN")
 * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
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import javax.microedition.lcdui.*;
import javax.microedition.media.MediaException;
import javax.microedition.media.control.VideoControl;

public class CameraCanvas extends Canvas {
    private SnapperMIDlet mSnapperMIDlet;

    public CameraCanvas(SnapperMIDlet midlet, VideoControl videoControl) {

        int width = getWidth();
        int height = getHeight();

        mSnapperMIDlet = midlet;

        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();

        // Draw a green border around the VideoControl.
        g.setColor(0x00ff00);
        g.drawString("" + mSnapperMIDlet.bytelen, 10, 10, 0);
        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) {
            mSnapperMIDlet.capture();
        }
    }
}