briar/briar-android/src/main/java/im/delight/android/identicons/IdenticonDrawable.java

package im.delight.android.identicons;

/**
 * Copyright 2014 www.delight.im <info@delight.im>
 *
 * 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.Canvas;
import android.graphics.ColorFilter;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.support.annotation.NonNull;
import android.support.annotation.UiThread;

import static android.graphics.PixelFormat.OPAQUE;

@UiThread
public class IdenticonDrawable extends Drawable {

	private static final int HEIGHT = 200, WIDTH = 200;

	private final Identicon identicon;

	public IdenticonDrawable(@NonNull byte[] input) {
		super();
		identicon = new Identicon(input);
	}

	@Override
	public int getIntrinsicHeight() {
		return HEIGHT;
	}

	@Override
	public int getIntrinsicWidth() {
		return WIDTH;
	}

	@Override
	public void setBounds(@NonNull Rect bounds) {
		super.setBounds(bounds);
		identicon.updateSize(bounds.right - bounds.left,
				bounds.bottom - bounds.top);
	}

	@Override
	public void setBounds(int left, int top, int right, int bottom) {
		super.setBounds(left, top, right, bottom);
		identicon.updateSize(right - left, bottom - top);
	}

	@Override
	public void draw(@NonNull Canvas canvas) {
		identicon.draw(canvas);
	}

	@Override
	public void setAlpha(int alpha) {

	}

	@Override
	public void setColorFilter(ColorFilter cf) {

	}

	@Override
	public int getOpacity() {
		return OPAQUE;
	}
}