mirror of https://github.com/M66B/FairEmail.git
65 lines
2.2 KiB
Java
65 lines
2.2 KiB
Java
package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FairEmail is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2020 by Marcel Bokhorst (M66B)
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*/
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.Typeface;
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import android.text.Layout;
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import android.text.Spanned;
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import android.text.TextPaint;
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import android.text.style.BulletSpan;
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public class NumberSpan extends BulletSpan {
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private TextPaint tp;
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private String number;
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private int margin;
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public NumberSpan(int gapWidth, int color, float textSize, int index) {
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tp = new TextPaint();
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tp.setStyle(Paint.Style.FILL);
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tp.setColor(color);
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tp.setTypeface(Typeface.MONOSPACE);
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tp.setTextSize(textSize);
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number = index + ".";
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margin = Math.round(tp.measureText(number) + gapWidth);
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}
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@Override
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public int getLeadingMargin(boolean first) {
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// https://issuetracker.google.com/issues/36956124
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// This is called before drawLeadingMargin to justify the text
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return margin;
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}
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@Override
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public void drawLeadingMargin(Canvas c, Paint p, int x, int dir, int top, int baseline, int bottom, CharSequence text, int start, int end, boolean first, Layout layout) {
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if (text instanceof Spanned &&
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((Spanned) text).getSpanStart(this) == start) {
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float textSize = tp.getTextSize();
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if (textSize > p.getTextSize())
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tp.setTextSize(p.getTextSize());
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c.drawText(number, x + dir, baseline, tp);
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tp.setTextSize(textSize);
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}
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}
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}
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