BorderedRoundedAvatarDrawable.java

package com.smartandroid.sa.avatars;

/*
 * Copyright 2014 Pedro Álvarez Fernández <pedroafa@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;

/**
 * A Drawable that draws an oval with given {@link android.graphics.Bitmap}
 * adding a border with a given color and width
 */
public class BorderedRoundedAvatarDrawable extends RoundedAvatarDrawable {

	private final AvatarBorder mAvatarBorder;

	public BorderedRoundedAvatarDrawable(AvatarBorder avatarBorder, Bitmap bitmap) {
		super(bitmap);
		mAvatarBorder = avatarBorder;
	}

	@Override
	public void draw(Canvas canvas) {
		float borderWidth = mAvatarBorder.getRoundWidth();

		Paint paintBorder = new Paint();
		paintBorder.setAntiAlias(true);
		paintBorder.setColor(mAvatarBorder.getColor());
		paintBorder.setStyle(Paint.Style.STROKE);
		paintBorder.setStrokeWidth(borderWidth);

		int viewWidth = getIntrinsicWidth() - ((int) borderWidth * 2);
		int circleCenter = viewWidth / 2;

		canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, circleCenter + borderWidth - 4.0f,
				paintBorder);
		canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, circleCenter, getPaint());
	}
}