Fix emoji vertical positioning.

Fixes #8023
This commit is contained in:
Greyson Parrelli 2018-07-27 16:01:52 -04:00
parent 1e895e960f
commit 79830049c4

View File

@ -1,5 +1,6 @@
package org.thoughtcrime.securesms.components.emoji;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.FontMetricsInt;
import android.graphics.drawable.Drawable;
@ -9,6 +10,9 @@ import android.widget.TextView;
import org.thoughtcrime.securesms.R;
public class EmojiSpan extends AnimatingImageSpan {
private final float SHIFT_FACTOR = 1.5f;
private final int size;
private final FontMetricsInt fm;
@ -20,17 +24,25 @@ public class EmojiSpan extends AnimatingImageSpan {
getDrawable().setBounds(0, 0, size, size);
}
@Override public int getSize(Paint paint, CharSequence text, int start, int end,
FontMetricsInt fm)
{
@Override
public int getSize(Paint paint, CharSequence text, int start, int end, FontMetricsInt fm) {
if (fm != null && this.fm != null) {
fm.ascent = this.fm.ascent;
fm.descent = this.fm.descent;
fm.top = this.fm.top;
fm.bottom = this.fm.bottom;
fm.leading = this.fm.leading;
return size;
} else {
return super.getSize(paint, text, start, end, fm);
}
}
@Override
public void draw(Canvas canvas, CharSequence text, int start, int end, float x, int top, int y, int bottom, Paint paint) {
int height = bottom - top;
int centeringMargin = (height - size) / 2;
int adjustedMargin = (int) (centeringMargin * SHIFT_FACTOR);
super.draw(canvas, text, start, end, x, top, y, bottom - adjustedMargin, paint);
}
}