我在相机预览中有一个叠加层。我只想将点击的图像与该叠加层一起保存。有可能吗？
答案 0 :(得分：0)
以下是使用表面支架在相机预览之上使用叠加图像的代码。希望它可以帮到某人。
好的，我得到了解决方案。
Code:
package com.sailabs.photo;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.PixelFormat;
import android.graphics.drawable.Drawable;
import android.hardware.Camera;
import android.hardware.Camera.PictureCallback;
import android.hardware.Camera.ShutterCallback;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.RelativeLayout;
import android.widget.Toast;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.NetworkInterface;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
import java.util.Enumeration;
public class MainActivity extends Activity implements SurfaceHolder.Callback
{
private Camera camera = null;
private SurfaceView cameraSurfaceView = null;
private SurfaceHolder cameraSurfaceHolder = null;
private boolean previewing = false;
RelativeLayout relativeLayout;
private Context myContext;
private boolean cameraFront = false;
public int glo = 0;
// private TextView text = null;
private Button capture = null;
@Override
protected void onCreate(Bundle savedInstanceState)
{
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
myContext = this;
getWindow().setFormat(PixelFormat.TRANSLUCENT);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(
WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_main);
relativeLayout=(RelativeLayout) findViewById(R.id.containerImg);
relativeLayout.setDrawingCacheEnabled(true);
cameraSurfaceView = (SurfaceView)
findViewById(R.id.surfaceView1);
// text = (TextView) findViewById(R.id.textView);
// cameraSurfaceView.setLayoutParams(new FrameLayout.LayoutParams(640, 480));
cameraSurfaceHolder = cameraSurfaceView.getHolder();
cameraSurfaceHolder.addCallback(this);
// cameraSurfaceHolder.setType(SurfaceHolder.
// SURFACE_TYPE_PUSH_BUFFERS);
capture = (Button)findViewById(R.id.button1);
capture.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
/* text.setText("1");
try{
Thread.sleep(1000);
}catch (Exception e)
{
e.printStackTrace();
}
text.setText("2");
try{
Thread.sleep(1000);
}catch (Exception e)
{
e.printStackTrace();
}
text.setText("3");
try{
Thread.sleep(1000);
}catch (Exception e)
{
e.printStackTrace();
}*/
CaptureThread captureThread = new CaptureThread();
captureThread.start();
// TODO Auto-generated method stub
}
});
}
@TargetApi(Build.VERSION_CODES.GINGERBREAD)
private int findFrontFacingCamera() {
int cameraId = -1;
// Search for the front facing camera
int numberOfCameras = Camera.getNumberOfCameras();
for (int i = 0; i < numberOfCameras; i++) {
Camera.CameraInfo info = new Camera.CameraInfo();
Camera.getCameraInfo(i, info);
if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
cameraId = i;
cameraFront = true;
break;
}
}
return cameraId;
}
ShutterCallback cameraShutterCallback = new ShutterCallback()
{
@Override
public void onShutter()
{
// TODO Auto-generated method stub
}
};
PictureCallback cameraPictureCallbackRaw = new PictureCallback()
{
@Override
public void onPictureTaken(byte[] data, Camera camera)
{
// TODO Auto-generated method stub
}
};
PictureCallback cameraPictureCallbackJpeg = new PictureCallback()
{
@Override
public void onPictureTaken(byte[] data, Camera camera)
{
// TODO Auto-generated method stub
Bitmap cameraBitmap = BitmapFactory.decodeByteArray
(data, 0, data.length);
int wid = cameraBitmap.getWidth();
int hgt = cameraBitmap.getHeight();
// Toast.makeText(getApplicationContext(), wid+""+hgt, Toast.LENGTH_SHORT).show();
Bitmap newImage = Bitmap.createBitmap
(wid, hgt, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(newImage);
canvas.drawBitmap(cameraBitmap, 0f, 0f, null);
Drawable drawable = getResources().getDrawable(R.drawable.mark3);
drawable.setBounds(20, 30, drawable.getIntrinsicWidth()+20, drawable.getIntrinsicHeight()+30);
drawable.draw(canvas);
//File storagePath = new File(Environment.getExternalStorageDirectory() + "/pics/");
// storagePath.mkdirs();
File mediaStorageDir = new File("/sdcard/", "pics");
// File myImage = new File(storagePath, +".jpg");
File myImage = new File(mediaStorageDir.getPath() + File.separator + "pic" + glo + ".png");
Log.d("naval", "File path :" + myImage);
glo++;
try
{
FileOutputStream out = new FileOutputStream(myImage);
newImage.compress(Bitmap.CompressFormat.JPEG, 80, out);
out.flush();
out.close();
}
catch(FileNotFoundException e)
{
Log.d("In Saving File", e + "");
}
catch(IOException e)
{
Log.d("In Saving File", e + "");
}
camera.startPreview();
// newImage.recycle();
// newImage = null;
// Intent intent = new Intent();
// intent.setAction(Intent.ACTION_VIEW);
// intent.setDataAndType(Uri.parse("file://" + myImage.getAbsolutePath()), "image/*");
// startActivity(intent);
}
};
@Override
public void surfaceChanged(SurfaceHolder holder,
int format, int width, int height)
{
// TODO Auto-generated method stub
if(previewing)
{
camera.stopPreview();
previewing = false;
}
try
{
Camera.Parameters parameters = camera.getParameters();
// parameters.setPreviewSize(640, 480);
// parameters.setPictureSize(640, 480);
if (this.getResources().getConfiguration().orientation != Configuration.ORIENTATION_LANDSCAPE) {
camera.setDisplayOrientation(90);
}
// parameters.setRotation(90);
camera.setParameters(parameters);
camera.setPreviewDisplay(cameraSurfaceHolder);
camera.startPreview();
previewing = true;
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
@TargetApi(Build.VERSION_CODES.GINGERBREAD)
@Override
public void surfaceCreated(SurfaceHolder holder)
{
// TODO Auto-generated method stub
try
{
camera = Camera.open(findFrontFacingCamera());
}
catch(RuntimeException e)
{
Toast.makeText(getApplicationContext(), "Device camera is not working properly, please try after sometime.", Toast.LENGTH_LONG).show();
}
}
@Override
public void surfaceDestroyed(SurfaceHolder holder)
{
// TODO Auto-generated method stub
camera.stopPreview();
camera.release();
camera = null;
previewing = false;
}
class CaptureThread extends Thread {
@Override
public void run() {
int count = 0;
while (count < 30) {
// mFileName = mLocation + "/pic" + count + ".jpg";
try {
Log.d("Naval","camera clicked");
camera.takePicture(cameraShutterCallback,
cameraPictureCallbackRaw,
cameraPictureCallbackJpeg);
//mCamera.takePicture(null, null, mPicture);
count++;
Thread.sleep(1000);
} catch (Exception exception) {
exception.printStackTrace();
}
}
glo = 0; // images will be save from 0 in pics folder
try {
// wait(5000);
} catch (Exception e) {
e.printStackTrace();
}
createGif();
}
public void createGif() {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
AnimatedGifEncoder encoder = new AnimatedGifEncoder();
BitmapFactory.Options options = new BitmapFactory.Options();
options.inSampleSize = 6;
encoder.setDelay(50);
encoder.start(bos);
for (int i = 0; i < 30; i++) {
Bitmap bMap = BitmapFactory.decodeFile("/storage/emulated/0/pics/pic" + i + ".png", options);
Log.d("naval", "added image");
encoder.addFrame(bMap);
// encoder.setQuality(100);
}
encoder.finish();
writeToFile(bos.toByteArray());
try {
Log.d("naval - lets sleep", "Turn again to click");
Thread.sleep(5000);
SocketServerThread sc = new SocketServerThread();
sc.initialize();
sc.start();
//capture.performClick();
} catch (Exception e) {
e.printStackTrace();
}
}
public void writeToFile(byte[] array) {
try {
String path = Environment.getExternalStorageDirectory() + "/gif/gif.gif";
FileOutputStream stream = new FileOutputStream(path);
stream.write(array);
} catch (Exception e) {
e.printStackTrace();
}
}
}
private class SocketServerThread extends Thread {
int count = 0;
String message = "";
ServerSocket serverSocket = null;
// String message = "";
static final int socketServerPORT = 4444;
public String ip = getIpAddress();
public SocketServerThread()throws IOException
{
// serverSocket
Log.d("naval", " constructor thread");
}
public void initialize () {
try {
Log.d("naval", "Initialize socket");
serverSocket = new ServerSocket();
serverSocket.setReuseAddress(true);
serverSocket.bind(new InetSocketAddress(6677));
}catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void run() {
try {
// InetAddress inetAddress = InetAddress.getByName("192.168.1.1");
// serverSocket = new ServerSocket(socketServerPORT);
if(serverSocket == null)
{
Log.d("naval", "ye to null hai bhai");
}
while (true) {
Log.d("naval","waiting for packet at port and IP :"+ip+"a"+serverSocket.getInetAddress()+"b"+serverSocket.getLocalPort());
Socket socket = serverSocket.accept();
Log.d("naval", " packet get");
String encoding = "";
/* receiving from client*/
try {
InputStream inputStream = socket.getInputStream();
BufferedReader r = new BufferedReader(new InputStreamReader(inputStream));
StringBuilder total = new StringBuilder();
String line;
while ((line = r.readLine()) != null) {
total.append(line);
}
Log.d("naval", total.toString());
message = total.toString();
if(message.equals("start")) {
try{
// r.close();
// inputStream.close();
serverSocket.close();
socket.close();
}catch (Exception e)
{
e.printStackTrace();
}
MainActivity.this.runOnUiThread(new Runnable() {
@Override
public void run() {
Log.d("naval","click performed");
capture.performClick();
}
});
//
Log.d("naval","breaking while loop");
break;
}
} catch (IOException ioe) {
ioe.printStackTrace();
}
//socket.close();
Log.d("naval","closing socket");
count++;
// message += "#" + count + " from "
// + socket.getInetAddress() + ":"
// + socket.getPort() + "\n";
}
//serverSocket.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public String getIpAddress() {
String ip = "";
try {
Enumeration<NetworkInterface> enumNetworkInterfaces = NetworkInterface
.getNetworkInterfaces();
while (enumNetworkInterfaces.hasMoreElements()) {
NetworkInterface networkInterface = enumNetworkInterfaces
.nextElement();
Enumeration<InetAddress> enumInetAddress = networkInterface
.getInetAddresses();
while (enumInetAddress.hasMoreElements()) {
InetAddress inetAddress = enumInetAddress
.nextElement();
if (inetAddress.isSiteLocalAddress()) {
ip += "Server running at : "
+ inetAddress.getHostAddress();
}
}
}
} catch (SocketException e) {
// TODO Auto-generated catch block
e.printStackTrace();
ip += "Something Wrong! " + e.toString() + "\n";
}
return ip;
}
}
}