From 29ffceeec0d9369c9d392720dea06fcd128d899b Mon Sep 17 00:00:00 2001
From: Will Charczuk <will@clotheshor.se>
Date: Mon, 11 Jul 2016 00:05:48 -0700
Subject: [PATCH] tweaks.

---
 chart.go | 11 ++++++-----
 xaxis.go |  4 +---
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/chart.go b/chart.go
index afefa06..4068c67 100644
--- a/chart.go
+++ b/chart.go
@@ -261,14 +261,15 @@ func (c Chart) getAxisAdjustedCanvasBox(r Renderer, defaults Box, xticks, yticks
 func (c Chart) getXAxisHeight(r Renderer, ticks []Tick) int {
 	r.SetFontSize(c.XAxis.Style.GetFontSize(DefaultFontSize))
 	r.SetFont(c.XAxis.Style.GetFont(c.Font))
-	var tl int
+
+	var textHeight int
 	for _, t := range ticks {
-		_, lh := r.MeasureText(t.Label)
-		if lh > tl {
-			tl = lh
+		_, th := r.MeasureText(t.Label)
+		if th > textHeight {
+			textHeight = th
 		}
 	}
-	return tl + DefaultXAxisMargin
+	return textHeight + (2 * DefaultXAxisMargin) // top and bottom.
 }
 
 func (c Chart) getYAxisWidth(r Renderer, ticks []Tick) int {
diff --git a/xaxis.go b/xaxis.go
index 035c056..09fd350 100644
--- a/xaxis.go
+++ b/xaxis.go
@@ -80,16 +80,14 @@ func (xa XAxis) Render(r Renderer, canvasBox Box, ra Range, ticks []Tick) {
 
 	sort.Sort(Ticks(ticks))
 
-	textHeight := 0
+	var textHeight int
 	for _, t := range ticks {
 		_, th := r.MeasureText(t.Label)
 		if th > textHeight {
 			textHeight = th
 		}
 	}
-
 	ty := canvasBox.Bottom + DefaultXAxisMargin + int(textHeight)
-
 	for _, t := range ticks {
 		v := t.Value
 		x := ra.Translate(v)