surfaceview拍照加时间彩印代码,Java代码库,德仔网

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【Java】 surfaceview拍照加时间彩印
作者: / 发布于2014/10/21/ 506

	package com.dgchina.activity;
	
	import com.dgchina.camera.CameraInterface;
	import com.dgchina.camera.CameraInterface.CamOpenOverCallback;
	import com.dgchina.preview.*;
	import com.dgchina.util.DisplayUtil;
	import com.example.playcamera.R;
	
	import android.app.Activity;
	import android.graphics.Point;
	import android.os.Bundle;
	import android.view.Menu;
	import android.view.MotionEvent;
	import android.view.SurfaceHolder;
	import android.view.View;
	import android.view.View.OnClickListener;
	import android.view.ViewGroup.LayoutParams;
	import android.view.Window;
	import android.view.WindowManager;
	import android.widget.Button;
	
	public class CameraActivity extends Activity implements CamOpenOverCallback {
	 private static final String TAG = "yanzi";
	 CameraSurfaceView surfaceView = null;
	 Button shutterBtn;
	 float previewRate = -1f;
	 @Override
	 protected void onCreate(Bundle savedInstanceState) {
	 super.onCreate(savedInstanceState);
	 Thread openThread = new Thread(){
	 @Override
	 public void run() {
	 // TODO Auto-generated method stub
	 CameraInterface.getInstance().doOpenCamera(CameraActivity.this);
	 }
	 };
	 openThread.start();
	 //去掉标题
	 requestWindowFeature(Window.FEATURE_NO_TITLE);
	 //设置全屏
	 getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
	 setContentView(R.layout.activity_main);
	 initUI();
	 initViewParams();
	
	 shutterBtn.setOnClickListener(new BtnListeners());
	 }
	
	 @Override
	 public boolean onCreateOptionsMenu(Menu menu) {
	 // Inflate the menu; this adds items to the action bar if it is present.
	 // getMenuInflater().inflate(R.menu.camera, menu);
	 return true;
	 }
	
	 private void initUI(){
	 surfaceView = (CameraSurfaceView)findViewById(R.id.camera_surfaceview);
	 shutterBtn = (Button)findViewById(R.id.btn_shutter);
	 }
	 private void initViewParams(){
	 LayoutParams params = surfaceView.getLayoutParams();
	 Point p = DisplayUtil.getScreenMetrics(this);
	 params.width = p.x;
	 params.height = p.y;
	 previewRate = DisplayUtil.getScreenRate(this); //默认全屏的比例预览
	 surfaceView.setLayoutParams(params);
	
	 //手动设置拍照ImageButton的大小为120dip&times;120dip,原图片大小是64&times;64
	// LayoutParams p2 = shutterBtn.getLayoutParams();
	// p2.width = DisplayUtil.dip2px(this, 80);
	// p2.height = DisplayUtil.dip2px(this, 80);;
	// shutterBtn.setLayoutParams(p2);
	
	 }
	
	 @Override
	 public void cameraHasOpened() {
	 // TODO Auto-generated method stub
	 SurfaceHolder holder = surfaceView.getSurfaceHolder();
	 CameraInterface.getInstance().doStartPreview(holder, previewRate);
	 }
	 private class BtnListeners implements OnClickListener{
	
	 @Override
	 public void onClick(View v) {
	 // TODO Auto-generated method stub
	 switch(v.getId()){
	 case R.id.btn_shutter:
	 //CameraInterface.getInstance().doTakePicture();
	 break;
	 default:break;
	 }
	 }
	
	 }
	 @Override
	 public boolean onTouchEvent(MotionEvent event) {
	 // TODO Auto-generated method stub
	
	 switch (event.getAction())
	 {
	 //触摸屏幕时刻
	 case MotionEvent.ACTION_DOWN:
	 CameraInterface.getInstance().doTakePicture();
	 // Toast.makeText(MainActivity.this,"点击啦！",Toast.LENGTH_LONG).show();
	 break;
	 //触摸并移动时刻
	 case MotionEvent.ACTION_MOVE:
	 //Toast.makeText(MainActivity.this,"移动中！",Toast.LENGTH_LONG).show();
	 break;
	 //终止触摸时刻
	 case MotionEvent.ACTION_UP:
	
	 break;
	 }
	 return super.onTouchEvent(event);
	 }
	
	
	}
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