mirror of https://github.com/M66B/FairEmail.git
73 lines
2.3 KiB
Java
73 lines
2.3 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 2018-2024 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.Rect;
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import android.graphics.drawable.Drawable;
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import android.text.style.DynamicDrawableSpan;
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import android.text.style.ImageSpan;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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public class CenteredImageSpan extends ImageSpan {
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public CenteredImageSpan(final Drawable drawable) {
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this(drawable, DynamicDrawableSpan.ALIGN_BOTTOM);
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}
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public CenteredImageSpan(final Drawable drawable, final int verticalAlignment) {
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super(drawable, verticalAlignment);
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}
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@Override
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public void draw(@NonNull Canvas canvas, CharSequence text,
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int start, int end, float x,
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int top, int y, int bottom, @NonNull Paint paint) {
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getDrawable().draw(canvas);
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}
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@Override
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public int getSize(@NonNull Paint paint, CharSequence text,
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int start, int end,
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@Nullable Paint.FontMetricsInt fm) {
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Drawable d = getDrawable();
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Rect rect = d.getBounds();
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if (fm != null) {
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int descent = 0;
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int padding = 0;
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if (rect.bottom - (fm.descent - fm.ascent) >= 0) {
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descent = fm.descent;
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padding = rect.bottom - (fm.descent - fm.ascent);
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}
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fm.descent = padding / 2 + descent;
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fm.bottom = fm.descent;
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fm.ascent = -rect.bottom + fm.descent;
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fm.top = fm.ascent;
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}
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return rect.right;
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}
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}
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