mirror of https://github.com/KokaKiwi/BarInsta
100 lines
3.3 KiB
Java
100 lines
3.3 KiB
Java
package awais.instagrabber.customviews.emoji;
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/*
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* Copyright (C) 2016 - Niklas Baudy, Ruben Gees, Mario Đanić and contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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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.PixelFormat;
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import android.graphics.Rect;
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import android.graphics.drawable.Drawable;
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import android.text.Spanned;
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import android.text.TextPaint;
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import android.util.Log;
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import androidx.annotation.NonNull;
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import androidx.emoji.text.EmojiCompat;
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import androidx.emoji.text.EmojiSpan;
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/**
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* An emoji drawable backed by a span generated by the Google emoji support library.
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*/
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final class GoogleCompatEmojiDrawable extends Drawable {
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private static final String TAG = GoogleCompatEmojiDrawable.class.getSimpleName();
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private static final float TEXT_SIZE_FACTOR = 0.8f;
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private static final float BASELINE_OFFSET_FACTOR = 0.225f;
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private EmojiSpan emojiSpan;
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private boolean processed;
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private CharSequence emojiCharSequence;
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private final TextPaint textPaint = new TextPaint();
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GoogleCompatEmojiDrawable(@NonNull final String unicode) {
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emojiCharSequence = unicode;
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textPaint.setStyle(Paint.Style.FILL);
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textPaint.setColor(0x0ffffffff);
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textPaint.setAntiAlias(true);
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}
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private void process() {
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emojiCharSequence = EmojiCompat.get().process(emojiCharSequence);
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if (emojiCharSequence instanceof Spanned) {
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final Object[] spans = ((Spanned) emojiCharSequence).getSpans(0, emojiCharSequence.length(), EmojiSpan.class);
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if (spans.length > 0) {
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emojiSpan = (EmojiSpan) spans[0];
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}
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}
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}
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@Override
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public void draw(@NonNull final Canvas canvas) {
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final Rect bounds = getBounds();
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textPaint.setTextSize(bounds.height() * TEXT_SIZE_FACTOR);
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final int y = Math.round(bounds.bottom - bounds.height() * BASELINE_OFFSET_FACTOR);
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if (!processed && EmojiCompat.get().getLoadState() != EmojiCompat.LOAD_STATE_LOADING) {
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processed = true;
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if (EmojiCompat.get().getLoadState() != EmojiCompat.LOAD_STATE_FAILED) {
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process();
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}
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}
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if (emojiSpan == null) {
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canvas.drawText(emojiCharSequence, 0, emojiCharSequence.length(), bounds.left, y, textPaint);
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} else {
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emojiSpan.draw(canvas, emojiCharSequence, 0, emojiCharSequence.length(), bounds.left, bounds.top, y, bounds.bottom, textPaint);
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}
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}
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@Override
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public void setAlpha(final int alpha) {
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textPaint.setAlpha(alpha);
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}
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@Override
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public void setColorFilter(final ColorFilter colorFilter) {
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textPaint.setColorFilter(colorFilter);
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}
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@Override
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public int getOpacity() {
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return PixelFormat.UNKNOWN;
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}
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}
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