Monday, September 19, 2011

Creating Rounded Corners of Image in Android?


Step 1: I had created a class Image Helper

//  Import the following packages

import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Bitmap.Config;
import android.graphics.PorterDuff.Mode;

public class ImageHelper {


public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int pixels) {

Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap
.getHeight(), Config.ARGB_8888);
Canvas canvas = new Canvas(output);

final int color = 0xff424242;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
final RectF rectF = new RectF(rect);
final float roundPx = pixels;

paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);

return output;
}
}
           
Step 2: Call the above function as i shown below

Imageview icon;

icon =(ImageView) findViewById(R.id.myimageview);
String img_value="http://www.google.com/";

Bitmap mIcon11 = BitmapFactory.decodeStream(img_value
.openConnection().getInputStream());
mIcon11=ImageHelper.getRoundedCornerBitmap(mIcon11,30);

icon.setImageBitmap(mIcon11);

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