AndroidRoundCornerImage

RoundCornerImage.java

public Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
		if (bitmap == null) {
			return null;
		}
    	
		if (layoutId==R.layout.appwidget_small_one_layout && styleOneBitmap == null) {
			styleOneBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.appwidget_one);
		}

		if (layoutId==R.layout.appwidget_small_two_layout && styleTwoBitmap == null) {
			styleTwoBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.appwidget_two);
		}
		
		Bitmap styleBitmap = null;
		if (layoutId==R.layout.appwidget_small_one_layout) {
			styleBitmap = styleOneBitmap;
		}else{
			styleBitmap = styleTwoBitmap;
		}
    	
        Bitmap output = Bitmap.createBitmap(styleBitmap.getWidth(), styleBitmap.getHeight(), Config.ARGB_8888);
        Canvas canvas = new Canvas(output);

        final Rect styleRect = new Rect(0, 0, styleBitmap.getWidth(), styleBitmap.getHeight());
        final int color = 0xff424242;
        final Paint paint = new Paint();

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

        canvas.drawBitmap(styleBitmap, styleRect, styleRect, paint);
        
        paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
        
		int height;
		int width;
		int left;
		int top;
		if ((float)bitmap.getHeight() / bitmap.getWidth() > (float)styleBitmap.getHeight() / styleBitmap.getWidth()) {
			width = bitmap.getWidth();
			height = bitmap.getWidth() * styleBitmap.getHeight() / styleBitmap.getWidth();
			left = 0;
			top = (bitmap.getHeight() - height) / 2;
		} else {
			height = bitmap.getHeight();
			width = bitmap.getHeight() * styleBitmap.getWidth() / styleBitmap.getHeight();
			top = 0;
			left = (bitmap.getWidth() - width) / 2;
		}

		final Rect bmRect = new Rect(left, top, width, height);
        canvas.drawBitmap(bitmap, bmRect, styleRect, paint);

        return output;
    }