From 0e3d2e9c1f48994b6f16ad07ed3f3cea19970e71 Mon Sep 17 00:00:00 2001
From: Will Charczuk <will.charczuk@gmail.com>
Date: Sun, 17 Jul 2016 11:24:54 -0700
Subject: [PATCH] changing how we handle default padding.

---
 chart.go                        |  2 +-
 examples/custom_padding/main.go | 46 +++++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 examples/custom_padding/main.go

diff --git a/chart.go b/chart.go
index 98079a0..ce88eaf 100644
--- a/chart.go
+++ b/chart.go
@@ -323,7 +323,7 @@ func (c Chart) getAxisAdjustedCanvasBox(r Renderer, canvasBox Box, xr, yr, yra R
 		axesOuterBox = axesOuterBox.Grow(axesBounds)
 	}
 
-	return canvasBox.OuterConstrain(c.Box(), axesOuterBox)
+	return canvasBox.OuterConstrain(canvasBox, axesOuterBox)
 }
 
 func (c Chart) setRangeDomains(canvasBox Box, xr, yr, yra Range) (xr2, yr2, yra2 Range) {
diff --git a/examples/custom_padding/main.go b/examples/custom_padding/main.go
new file mode 100644
index 0000000..4a00683
--- /dev/null
+++ b/examples/custom_padding/main.go
@@ -0,0 +1,46 @@
+package main
+
+import (
+	"net/http"
+
+	"github.com/wcharczuk/go-chart"
+	"github.com/wcharczuk/go-chart/drawing"
+)
+
+func drawChart(res http.ResponseWriter, req *http.Request) {
+	graph := chart.Chart{
+		Background: chart.Style{
+			Padding: chart.Box{
+				Top:    10,
+				Left:   25,
+				Right:  25,
+				Bottom: 10,
+			},
+			FillColor: drawing.ColorFromHex("efefef"),
+		},
+		XAxis: chart.XAxis{
+			Style: chart.Style{
+				Show: true,
+			},
+		},
+		YAxis: chart.YAxis{
+			Style: chart.Style{
+				Show: true,
+			},
+		},
+		Series: []chart.Series{
+			chart.ContinuousSeries{
+				XValues: chart.Seq(1.0, 100.0),
+				YValues: chart.SeqRand(100.0, 256.0),
+			},
+		},
+	}
+
+	res.Header().Set("Content-Type", "image/png")
+	graph.Render(chart.PNG, res)
+}
+
+func main() {
+	http.HandleFunc("/", drawChart)
+	http.ListenAndServe(":8080", nil)
+}