package app.test;
import java.io.FileNotFoundException;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuffXfermode;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.Display;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
public class Test extends Activity implements OnClickListener {
Button choosePicture1, choosePicture2;
ImageView compositeImageView;
Bitmap bmp1, bmp2;
Canvas canvas;
Paint paint;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
compositeImageView = (ImageView) this
.findViewById(R.id.CompositeImageView);
choosePicture1 = (Button) this.findViewById(R.id.ChoosePictureButton1);
choosePicture2 = (Button) this.findViewById(R.id.ChoosePictureButton2);
choosePicture1.setOnClickListener(this);
choosePicture2.setOnClickListener(this);
}
public void onClick(View v) {
Intent choosePictureIntent = new Intent(Intent.ACTION_PICK,
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(choosePictureIntent, 1);
}
protected void onActivityResult(int requestCode, int resultCode,
Intent intent) {
super.onActivityResult(requestCode, resultCode, intent);
if (resultCode == RESULT_OK) {
Uri imageFileUri = intent.getData();
bmp1 = loadBitmap(imageFileUri);
Bitmap drawingBitmap = Bitmap.createBitmap(bmp1.getWidth(),
bmp1.getHeight(), bmp1.getConfig());
canvas = new Canvas(drawingBitmap);
paint = new Paint();
canvas.drawBitmap(bmp1, 0, 0, paint);
paint.setXfermode(new PorterDuffXfermode(
android.graphics.PorterDuff.Mode.MULTIPLY));
canvas.drawBitmap(bmp2, 0, 0, paint);
compositeImageView.setImageBitmap(drawingBitmap);
}
}
private Bitmap loadBitmap(Uri imageFileUri) {
Display currentDisplay = getWindowManager().getDefaultDisplay();
float dw = currentDisplay.getWidth();
float dh = currentDisplay.getHeight();
Bitmap returnBmp = Bitmap.createBitmap((int) dw, (int) dh,
Bitmap.Config.ARGB_4444);
try {
BitmapFactory.Options bmpFactoryOptions = new BitmapFactory.Options();
bmpFactoryOptions.inJustDecodeBounds = true;
returnBmp = BitmapFactory.decodeStream(getContentResolver().openInputStream(imageFileUri), null, bmpFactoryOptions);
bmpFactoryOptions.inSampleSize = 2;
bmpFactoryOptions.inJustDecodeBounds = false;
returnBmp = BitmapFactory.decodeStream(getContentResolver()
.openInputStream(imageFileUri), null, bmpFactoryOptions);
} catch (Exception e) {
Log.v("ERROR", e.toString());
}
return returnBmp;
}
}