72 lines
2.6 KiB
Java
72 lines
2.6 KiB
Java
/*
|
|
* Copyright 2019 Daniel Gultsch
|
|
* 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.
|
|
*/
|
|
|
|
package org.mercury_im.messenger.ui.avatar;
|
|
|
|
import android.graphics.Canvas;
|
|
import android.graphics.Color;
|
|
import android.graphics.Paint;
|
|
import android.graphics.Rect;
|
|
import android.graphics.Typeface;
|
|
import android.graphics.drawable.ColorDrawable;
|
|
|
|
import org.mercury_im.messenger.util.ColorUtil;
|
|
|
|
/**
|
|
* Generates a round colored drawable with white initials.
|
|
* Code courtesy of Daniel Gultsch's lttrs-android application.
|
|
*
|
|
* @see <a href="https://github.com/iNPUTmice/lttrs-android">Ltt.rs for Android</a>
|
|
*/
|
|
public class AvatarDrawable extends ColorDrawable {
|
|
|
|
private final Paint paint;
|
|
private final Paint textPaint;
|
|
private String letter;
|
|
|
|
public AvatarDrawable(String name, String key) {
|
|
paint = new Paint();
|
|
paint.setColor(key == null ? 0xff757575 : ColorUtil.consistentColor(key));
|
|
paint.setAntiAlias(true);
|
|
textPaint = new Paint();
|
|
textPaint.setColor(Color.WHITE);
|
|
textPaint.setTextAlign(Paint.Align.CENTER);
|
|
textPaint.setAntiAlias(true);
|
|
textPaint.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.NORMAL));
|
|
this.letter = name == null ? null : String.valueOf(Character.toUpperCase(name.charAt(0)));
|
|
}
|
|
|
|
@Override
|
|
public void draw(Canvas canvas) {
|
|
float midx = getBounds().width() / 2.0f;
|
|
float midy = getBounds().height() / 2.0f;
|
|
float radius = Math.min(getBounds().width(), getBounds().height()) / 2.0f;
|
|
textPaint.setTextSize(radius);
|
|
Rect r = new Rect();
|
|
canvas.getClipBounds(r);
|
|
int cHeight = r.height();
|
|
int cWidth = r.width();
|
|
canvas.drawCircle(midx, midy, radius, paint);
|
|
if (letter == null) {
|
|
return;
|
|
}
|
|
textPaint.setTextAlign(Paint.Align.LEFT);
|
|
textPaint.getTextBounds(letter, 0, letter.length(), r);
|
|
float x = cWidth / 2f - r.width() / 2f - r.left;
|
|
float y = cHeight / 2f + r.height() / 2f - r.bottom;
|
|
canvas.drawText(letter, x, y, textPaint);
|
|
}
|
|
}
|