android数字图像处理源码

/****************************************************************************** * Copyright (C) 2012 by Mianyang Netop Telecom Equipment Co.,Ltd * * Project name: camera * File Name: camera.java * Author: ChenJianHong * Purpose: The Main Page Of camera * Update Date: 2012.11.19 this file is created by ChenJh *******************************************************************************/ package com.camera; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.nio.ByteBuffer; import java.util.Calendar; import java.util.Timer; import java.util.TimerTask; import com.camera.ColorConverter; import com.camera.ImageProcessing; import android.app.Activity; import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.ColorMatrix; import android.graphics.ColorMatrixColorFilter; import android.graphics.Paint; import android.graphics.PixelFormat; import android.graphics.Bitmap.CompressFormat; import android.graphics.Bitmap.Config; import android.hardware.Camera; import android.hardware.Camera.PictureCallback; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.os.Message; import android.text.format.Time; import android.util.Log; import android.view.Display; import android.view.KeyEvent; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.widget.Button; import android.widget.ImageButton; import android.widget.Toast; public class camera extends Activity { private static final String TAG = "camera"; private SurfaceView surfaceView; private Camera camera; private boolean preview; private ImageButton exit; // private ImageButton takephoto; private Button test1; private Button test2; private Button test3; private Button test4; private ColorConverter ColorConverter; private ImageProcessing ImageProcessing; private int effect = 0; private int width, height; private Bitmap bm; private Timer mTimer = null; private boolean EnableDecodeBitmap = true; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Window window = getWindow(); requestWindowFeature(Window.FEATURE_NO_TITLE);// 没有标题 window.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);// 设置全屏 window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);// 高亮 setContentView(R.layout.main); ButtonClickingListener buttonlistener = new ButtonClickingListener(); surfaceView = (SurfaceView) this.findViewById(R.id.camera_surface); WindowManager wm = (WindowManager) getSystemService(Context.WINDOW_SERVICE); Display display = wm.getDefaultDisplay(); width = 400; height = 240; exit = (ImageButton) findViewById(R.id.exit);// 退出 exit.setOnClickListener(buttonlistener); // takephoto = (ImageButton) findViewById(R.id.takephoto);// 拍照 // takephoto.setOnClickListener(buttonlistener); test1 = (Button) findViewById(R.id.test1);// 特效1 test1.setOnClickListener(buttonlistener); test2 = (Button) findViewById(R.id.test2);// 特效2 test2.setOnClickListener(buttonlistener); test3 = (Button) findViewById(R.id.test3);// 特效2 test3.setOnClickListener(buttonlistener); test4 = (Button) findViewById(R.id.test4);// 恢复 test4.setOnClickListener(buttonlistener); surfaceView.getHolder().setFixedSize(width, height); // 设置分辨率 /* 下面设置Surface不维护自己的缓冲区，而是等待屏幕的渲染引擎将内容推送到用户面前 */ surfaceView.getHolder().addCallback(new SurfaceCallback()); } // 按钮监听 private final class ButtonClickingListener implements View.OnClickListener { public void onClick(View v) { if (!Environment.getExternalStorageState().equals( Environment.MEDIA_MOUNTED)) { Toast.makeText(camera.this, R.string.sdcarderror, 1).show(); return; } try { switch (v.getId()) { case R.id.exit: new AlertDialog.Builder(camera.this).setTitle("提示").setMessage( "确定退出照相机?").setPositiveButton("确定", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { Intent exit = new Intent(Intent.ACTION_MAIN); exit.addCategory(Intent.CATEGORY_HOME); exit.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(exit); System.exit(0); } }).setNegativeButton("取消", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { // 取消按钮事件 dialog.cancel(); } }).show(); break; case R.id.test1: effect = 1; break; case R.id.test2: effect = 2; break; case R.id.test3: effect = 3; break; case R.id.test4: effect = 0; break; // case R.id.takephoto: // camera.takePicture(null, null, new TakePictureCallback()); // break; } } catch (Exception e) { Toast.makeText(camera.this, R.string.error, 1).show(); Log.e(TAG, e.toString()); } } } @Override protected void onDestroy() { // TODO Auto-generated method stub if (camera != null) { camera.setPreviewCallback(null); camera.stopPreview(); camera.release(); camera = null; } super.onDestroy(); } private final class SurfaceCallback implements SurfaceHolder.Callback { public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { } public void surfaceCreated(SurfaceHolder holder) { if (camera == null) { camera = Camera.open();// 打开相机 } else { Toast.makeText(camera.this, "相机正在使用中", 1).show(); } WindowManager wm = (WindowManager) getSystemService(Context.WINDOW_SERVICE); Display display = wm.getDefaultDisplay(); Camera.Parameters parameters = camera.getParameters(); parameters .setPreviewSize(400, 240);// 设置预览照片的大小 parameters.setPreviewFrameRate(24);// 每秒10帧 parameters.setPictureFormat(PixelFormat.JPEG);// 设置照片的输出格式 parameters.set("jpeg-quality", 100);// 照片质量 parameters .setPictureSize(display.getWidth() / 4, display.getHeight() / 4);// 设置照片的大小 camera.setParameters(parameters); camera.setPreviewCallback(new PreviewCallBack());// 通过SurfaceView显示取景画面 camera.startPreview();// 开始预览 preview = true; } public void surfaceDestroyed(SurfaceHolder holder) { if (camera != null) { if (preview) camera.stopPreview(); camera.release(); } } } public boolean onKeyDown(int keyCode, KeyEvent event) { if (camera != null && event.getRepeatCo