Android Open Source - ProcessImage-android Main Activity

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From Project

Back to project page ProcessImage-android.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.camilortte.convolve2d;
//from  www .  j  a  v a2  s  . c  o  m

import java.io.File;
import java.io.FileOutputStream;
import java.util.Calendar;

import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.graphics.drawable.BitmapDrawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPager.LayoutParams;
import android.text.SpannableString;
import android.text.method.LinkMovementMethod;
import android.text.util.Linkify;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import cn.Ragnarok.BitmapFilter;

public class MainActivity extends FragmentActivity {

  private Bitmap bmp;
  private ImageView imgView;
  private LinearLayout containerLayoutFrame;
  private BitmapDrawable abmp;
  private Bitmap myBitmap;
  private OnClicListenerImagesFilter onClickListenerImagesFilter;  
  private int filtersInt[];
  private ImageView imgFilters[];
  private LayoutParams lyparams = new LayoutParams();
  private Bitmap originalImageSacled;
  private MyTask my;
  private Uri selectedImage;
  private Cursor cursor;
  private static final int GET_IMAGE_SD_REQUEST=1;
  private static final int NUMBERS_OF_FILTERS=18;
  private final String path = Environment.getExternalStorageDirectory().toString()+"/"+
              android.os.Environment.DIRECTORY_DCIM+"/Convolve2D";
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    this.imgView = (ImageView) findViewById(R.id.imageView1);
    containerLayoutFrame = (LinearLayout) findViewById(R.id.layout);    
    filtersInt = new int[NUMBERS_OF_FILTERS];
    imgFilters = new ImageView[filtersInt.length];    
    lyparams.height = LayoutParams.MATCH_PARENT;
    lyparams.width = LayoutParams.WRAP_CONTENT;
    
    onClickListenerImagesFilter=new OnClicListenerImagesFilter();
    
    filtersInt[0]=BitmapFilter.GRAY_STYLE;    
    filtersInt[1]=BitmapFilter.BLOCK_STYLE;    
    filtersInt[2]=BitmapFilter.BLUR_STYLE;    
    filtersInt[3]=BitmapFilter.GAUSSIAN_BLUR_STYLE;    
    filtersInt[4]=BitmapFilter.HDR_STYLE;    
    filtersInt[5]=BitmapFilter.INVERT_STYLE;    
    filtersInt[6]=BitmapFilter.LIGHT_STYLE;    
    filtersInt[7]=BitmapFilter.LOMO_STYLE;    
    filtersInt[8]=BitmapFilter.NEON_STYLE;    
    filtersInt[9]=BitmapFilter.OIL_STYLE;    
    filtersInt[10]=BitmapFilter.OLD_STYLE;    
    filtersInt[11]=BitmapFilter.PIXELATE_STYLE;    
    filtersInt[12]=BitmapFilter.RELIEF_STYLE;    
    filtersInt[13]=BitmapFilter.SHARPEN_STYLE;    
    filtersInt[14]=BitmapFilter.SKETCH_STYLE;    
    filtersInt[15]=BitmapFilter.SOFT_GLOW_STYLE;    
    filtersInt[16]=BitmapFilter.TOTAL_FILTER_NUM;    
    filtersInt[17]=BitmapFilter.TV_STYLE;
    
    
    // we convert the image on imgView to a bitmap
     abmp = (BitmapDrawable) imgView.getDrawable();
     bmp = abmp.getBitmap();
     originalImageSacled=bmp;
     myBitmap=bmp;     
     
     sacleMainImage();
     loadFilters();
  }
  
  private class OnClicListenerImagesFilter implements OnClickListener{    
    //When click a small filter_image
    @Override
    public void onClick(View v) {      
      final int id=v.getId();        
          for(int i=0;i<filtersInt.length;i++){
         if(imgFilters[i].getId()==id){                 
           //myBitmap=BitmapFilter.changeStyle(originalImageSacled,filtersInt[i]);
           //imgView.setImageBitmap(myBitmap);
           my=new MyTask(MainActivity.this);
           my.setOperation(MyTask.LOAD_FILTERS);
           my.setStyle(filtersInt[i]);
           my.execute();           
           break;
         }
       }  
    }
    
  }
  
  public Bitmap getOriginalImagenScaled(){
    return this.originalImageSacled;
  }
  
  //Scale the original image for minimize resources
  public void setMainImage(Bitmap bitmap){
    myBitmap=bitmap;
    imgView.setImageBitmap(bitmap);  
  }

  public void sacleMainImage() {
    int newWidth = 150;
    int newHeight = 100;
    sacleMainImage(newWidth, newHeight);
  }
  
  public void sacleMainImage(int newWidth,int newHeight ) {
    float scaleWidth = ((float) newWidth) / bmp.getWidth();
    float scaleHeight = ((float) newHeight) / bmp.getHeight();
    Matrix matrix = new Matrix();
    matrix.postScale(scaleWidth, scaleHeight);
    
    bmp = Bitmap.createBitmap(bmp, 0, 0, bmp.getWidth(), bmp.getHeight(),
        matrix, true);
    containerLayoutFrame.removeAllViews();
  }

  public void addImagenToFrame(ImageView imageView) {    
    containerLayoutFrame.addView(imageView);
  }

  
  //load all Images filters and put in a mainView
  public void loadFilters() {    
    for (int i = 0; i < imgFilters.length; i++) {
      imgFilters[i] = new ImageView(this);
      imgFilters[i].setImageBitmap(BitmapFilter.changeStyle(bmp, filtersInt[i]));
      imgFilters[i].setScaleType(ScaleType.FIT_START);
      imgFilters[i].setLayoutParams(lyparams);
      imgFilters[i].setOnClickListener(this.onClickListenerImagesFilter);
      imgFilters[i].setId(i);
      addImagenToFrame(imgFilters[i]);
    }    
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.main, menu);
    return super.onCreateOptionsMenu(menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    //action load imagen from sd
    case R.id.action_open_image:      
      Intent i = new Intent(
          Intent.ACTION_PICK,
          android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
      startActivityForResult(i, GET_IMAGE_SD_REQUEST);
      return true;
    //action settings
    case R.id.action_about:
      //Intent i2 = new Intent(this, MainActivity22.class);
      //startActivity(i2);
      final SpannableString s = new SpannableString("https://twitter.com/camilortte");

        final TextView tx1 = new TextView(this);
        tx1.setText(getString(R.string.about_this) );
        tx1.setAutoLinkMask(RESULT_OK);
        tx1.setMovementMethod(LinkMovementMethod.getInstance());

        Linkify.addLinks(s, Linkify.WEB_URLS);
      Builder dialog = new AlertDialog.Builder(MainActivity.this);
      dialog.setTitle(MainActivity.this.getResources().getString(R.string.app_name));  
      //dialog.setMessage(getString(R.string.about_this));
      dialog.setView(tx1);
      dialog.setIcon(R.drawable.ic_launcher);  
      dialog.setPositiveButton("OK", null);
      dialog.show();  
      return true;
    case R.id.action_save_image:
      saveImageAs();
      return true;
    default:
      return super.onOptionsItemSelected(item);
    }
  }

  //Load a image select by user from sd
  public void loadImageFormSD(){    
    String[] filePathColumn = { MediaStore.Images.Media.DATA };
    cursor = getContentResolver().query(selectedImage,
        filePathColumn, null, null, null);
    cursor.moveToFirst();

    int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
    String picturePath = cursor.getString(columnIndex);      
    try{
      myBitmap = BitmapFactory.decodeFile(picturePath);            
    }catch(OutOfMemoryError e){
      BitmapFactory.Options options = new BitmapFactory.Options();
      options.inSampleSize = 4;
      myBitmap = BitmapFactory.decodeFile(picturePath,options);  
    }      
  }
  
  public void updateGUI(){
    imgView.setImageBitmap(myBitmap);
    originalImageSacled=myBitmap;
    if (bmp != null) {
      bmp.recycle();
    }
    abmp = (BitmapDrawable) imgView.getDrawable();
    bmp = abmp.getBitmap();
    cursor.close();      
    //When the load a new images we applicate the filters
    sacleMainImage();
    loadFilters();    
  }
  
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    //When the request of get imagen to sd result ok
    if (requestCode == GET_IMAGE_SD_REQUEST && resultCode == RESULT_OK && null != data) {
      selectedImage = data.getData();
      //loadImageFormSD();
       my=new MyTask(MainActivity.this);
       my.setOperation(MyTask.LOAD_IMAGES_FROM_SD);
       my.execute();
    }
    
  }
  
  public void saveImageAs() {
    
    DialogInterface.OnClickListener dialogClickListener = new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {
            switch (which){
            case DialogInterface.BUTTON_POSITIVE:
              Calendar cal = Calendar.getInstance();
               File myDir = new File(path);//"/100ANDRO");               
               myDir.mkdirs();
               String fname = "Image-"+ String.valueOf(cal.getTimeInMillis()) +".jpg";
               File file = new File (myDir, fname);
               if (file.exists ()) file.delete (); 
               try {
                      FileOutputStream out = new FileOutputStream(file);
                      myBitmap.compress(Bitmap.CompressFormat.JPEG, 90, out);
                      out.flush();
                      out.close();
                      Toast.makeText(MainActivity.this, getString(R.string.save_image_success_toast)+path, 5000).show();

               } catch (Exception e) {
                      e.printStackTrace();
               }
                break;

            case DialogInterface.BUTTON_NEGATIVE:
              Toast.makeText(MainActivity.this, getString(R.string.save_image_cancel_toast), 4000).show();
                break;
            }
        }
    };

    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setMessage(R.string.sure_save_image).setPositiveButton("Yes", dialogClickListener)
        .setNegativeButton("No", dialogClickListener).show();
    
     
  }

}

Java Source Code List

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