Adding upstream version 2.1.2.

Signed-off-by: Daniel Baumann <daniel@debian.org>

examples/stacked_bar/main.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"os"
+
+	"github.com/wcharczuk/go-chart/v2"
+)
+
+func main() {
+	sbc := chart.StackedBarChart{
+		Title: "Test Stacked Bar Chart",
+		Background: chart.Style{
+			Padding: chart.Box{
+				Top: 40,
+			},
+		},
+		Height: 512,
+		Bars: []chart.StackedBar{
+			{
+				Name: "This is a very long string to test word break wrapping.",
+				Values: []chart.Value{
+					{Value: 5, Label: "Blue"},
+					{Value: 5, Label: "Green"},
+					{Value: 4, Label: "Gray"},
+					{Value: 3, Label: "Orange"},
+					{Value: 3, Label: "Test"},
+					{Value: 2, Label: "??"},
+					{Value: 1, Label: "!!"},
+				},
+			},
+			{
+				Name: "Test",
+				Values: []chart.Value{
+					{Value: 10, Label: "Blue"},
+					{Value: 5, Label: "Green"},
+					{Value: 1, Label: "Gray"},
+				},
+			},
+			{
+				Name: "Test 2",
+				Values: []chart.Value{
+					{Value: 10, Label: "Blue"},
+					{Value: 6, Label: "Green"},
+					{Value: 4, Label: "Gray"},
+				},
+			},
+		},
+	}
+
+	f, _ := os.Create("output.png")
+	defer f.Close()
+	sbc.Render(chart.PNG, f)
+}