mirror of https://github.com/NekoX-Dev/NekoX.git
109 lines
2.9 KiB
Java
109 lines
2.9 KiB
Java
/*
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* This is the source code of Telegram for Android v. 2.x.x.
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* It is licensed under GNU GPL v. 2 or later.
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* You should have received a copy of the license in this archive (see LICENSE).
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*
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* Copyright Nikolai Kudashov, 2013-2015.
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*/
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package org.telegram.ui.Components;
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import android.graphics.Canvas;
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import android.graphics.ColorFilter;
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import android.graphics.Paint;
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import android.graphics.Rect;
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import android.graphics.drawable.Drawable;
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import android.text.Layout;
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import android.text.StaticLayout;
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import android.text.TextPaint;
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import org.telegram.android.AndroidUtilities;
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import org.telegram.messenger.FileLog;
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public class LetterDrawable extends Drawable {
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private static Paint paint = new Paint();
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private static TextPaint namePaint;
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private StaticLayout textLayout;
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private float textWidth;
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private float textHeight;
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private float textLeft;
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private StringBuilder stringBuilder = new StringBuilder(5);
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public LetterDrawable() {
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super();
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if (namePaint == null) {
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paint.setColor(0xffdfdfdf);
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namePaint = new TextPaint(Paint.ANTI_ALIAS_FLAG);
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namePaint.setColor(0xffffffff);
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namePaint.setTextSize(AndroidUtilities.dp(28));
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}
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}
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public void setTitle(String title) {
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stringBuilder.setLength(0);
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if (title != null && title.length() > 0) {
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stringBuilder.append(title.substring(0, 1));
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}
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if (stringBuilder.length() > 0) {
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String text = stringBuilder.toString().toUpperCase();
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try {
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textLayout = new StaticLayout(text, namePaint, AndroidUtilities.dp(100), Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false);
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if (textLayout.getLineCount() > 0) {
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textLeft = textLayout.getLineLeft(0);
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textWidth = textLayout.getLineWidth(0);
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textHeight = textLayout.getLineBottom(0);
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}
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} catch (Exception e) {
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FileLog.e("tmessages", e);
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}
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} else {
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textLayout = null;
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}
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}
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@Override
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public void draw(Canvas canvas) {
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Rect bounds = getBounds();
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if (bounds == null) {
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return;
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}
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int size = bounds.width();
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canvas.save();
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canvas.drawRect(bounds.left, bounds.top, bounds.right, bounds.bottom, paint);
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if (textLayout != null) {
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canvas.translate(bounds.left + (size - textWidth) / 2 - textLeft, bounds.top + (size - textHeight) / 2);
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textLayout.draw(canvas);
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}
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canvas.restore();
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}
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@Override
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public void setAlpha(int alpha) {
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}
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@Override
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public void setColorFilter(ColorFilter cf) {
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}
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@Override
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public int getOpacity() {
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return 0;
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}
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@Override
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public int getIntrinsicWidth() {
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return 0;
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}
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@Override
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public int getIntrinsicHeight() {
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return 0;
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}
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}
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