Mega Code Archive
Simply resizes a given drawable resource to the given width and height
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//package com.retain;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.channels.FileChannel;
import java.nio.charset.Charset;
import java.util.Date;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.util.Log;
import android.widget.ImageView;
import android.widget.Toast;
/**
* @author Nazmul Idris
* @version 1.0
* @since Jul 8, 2008, 2:35:39 PM
*/
class AppUtils {
/** simply resizes a given drawable resource to the given width and height */
public static Drawable resizeImage(Context ctx, int resId, int iconWidth,
int iconHeight) {
// load the origial Bitmap
Bitmap BitmapOrg = BitmapFactory.decodeResource(ctx.getResources(),
resId);
int width = BitmapOrg.getWidth();
int height = BitmapOrg.getHeight();
int newWidth = iconWidth;
int newHeight = iconHeight;
// calculate the scale
float scaleWidth = ((float) newWidth) / width;
float scaleHeight = ((float) newHeight) / height;
// create a matrix for the manipulation
Matrix matrix = new Matrix();
// resize the Bitmap
matrix.postScale(scaleWidth, scaleHeight);
// if you want to rotate the Bitmap
// matrix.postRotate(45);
// recreate the new Bitmap
Bitmap resizedBitmap = Bitmap.createBitmap(BitmapOrg, 0, 0, width,
height, matrix, true);
// make a Drawable from Bitmap to allow to set the Bitmap
// to the ImageView, ImageButton or what ever
return new BitmapDrawable(resizedBitmap);
}
}// end class AppUtils
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