From f7bd6b093e04f7a9e4dbbdd17d810a6aa3658df3 Mon Sep 17 00:00:00 2001
From: Dongdong Zhou <dzhou121@gmail.com>
Date: Sun, 25 Feb 2018 06:23:44 +0000
Subject: [PATCH] text shift change

---
 editor/font.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/editor/font.go b/editor/font.go
index 20fa6d17..7c81de48 100644
--- a/editor/font.go
+++ b/editor/font.go
@@ -12,6 +12,7 @@ type Font struct {
 	height       float64
 	ascent       float64
 	descent      float64
+	leading      float64
 	shift        float64
 	lineHeight   float64
 	underlinePos float64
@@ -31,10 +32,11 @@ func NewFont() *Font {
 	f.ascent = fontMetrics.Ascent()
 	f.descent = fontMetrics.Descent()
 	f.underlinePos = fontMetrics.UnderlinePos()
+	f.leading = fontMetrics.Leading()
 
 	f.lineSpace = float64(10)
 	f.lineHeight = float64(int(f.height + f.lineSpace + 0.5))
-	f.shift = float64(int(f.lineSpace/2 + f.ascent - f.descent + 1))
+	f.shift = float64(int(f.lineSpace/2 + f.ascent - f.leading + 0.5))
 
 	return f
 }