add web server sample

fix paths
update url
2024-10-27 22:48:01 -05:00 · 2024-10-27 22:24:27 -05:00 · 2024-10-27 21:52:38 -05:00 · 2024-10-27 16:38:55 -05:00 · 2024-08-23 08:50:22 -07:00
93 changed files with 227 additions and 173 deletions
--- a/1
+++ b/1
@ -1,6 +1,7 @@
 MIT License

 Copyright (c) 2016 William Charczuk.
+Copyright (c) 2024 Zeni Kim.

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
--- a/README.md
+++ b/README.md
@ -1,8 +1,9 @@
 go-chart
 ========
-[![Continuous Integration](https://github.com/wcharczuk/go-chart/actions/workflows/ci.yml/badge.svg)](https://github.com/wcharczuk/go-chart/actions/workflows/ci.yml) [![Go Report Card](https://goreportcard.com/badge/github.com/wcharczuk/go-chart)](https://goreportcard.com/report/github.com/wcharczuk/go-chart)

-Package `chart` is a very simple golang native charting library that supports timeseries and continuous line charts.
+This project starts from a full copy from [https://git.smarteching.com/zeni/go-chart](https://git.smarteching.com/zeni/go-chart). 28 Oct 2024.
+
+-

 Master should now be on the v3.x codebase, which overhauls the api significantly. Per usual, see `examples` for more information.

@ -11,7 +12,7 @@ Master should now be on the v3.x codebase, which overhauls the api significantly
 To install `chart` run the following:

 ```bash
-> go get github.com/wcharczuk/go-chart/v2@latest
+> go get git.smarteching.com/zeni/go-chart/v2@latest
 ```

 Most of the components are interchangeable so feel free to crib whatever you want.
@ -20,27 +21,27 @@ Most of the components are interchangeable so feel free to crib whatever you wan

 Spark Lines:

-![](https://raw.githubusercontent.com/wcharczuk/go-chart/master/_images/tvix_ltm.png)
+![](https://git.smarteching.com/zeni/go-chart/raw/branch/main/_images/tvix_ltm.png)

 Single axis:

-![](https://raw.githubusercontent.com/wcharczuk/go-chart/master/_images/goog_ltm.png)
+![](https://git.smarteching.com/zeni/go-chart/raw/branch/main/_images/goog_ltm.png)

 Two axis:

-![](https://raw.githubusercontent.com/wcharczuk/go-chart/master/_images/two_axis.png)
+![](https://git.smarteching.com/zeni/go-chart/raw/branch/main/_images/two_axis.png)

 # Other Chart Types

 Pie Chart:

-![](https://raw.githubusercontent.com/wcharczuk/go-chart/master/_images/pie_chart.png)
+![](https://git.smarteching.com/zeni/go-chart/raw/branch/main/_images/pie_chart.png)

 The code for this chart can be found in `examples/pie_chart/main.go`.

 Stacked Bar:

-![](https://raw.githubusercontent.com/wcharczuk/go-chart/master/_images/stacked_bar.png)
+![](https://git.smarteching.com/zeni/go-chart/raw/branch/main/_images/stacked_bar.png)

 The code for this chart can be found in `examples/stacked_bar/main.go`.

@ -48,6 +49,8 @@ The code for this chart can be found in `examples/stacked_bar/main.go`.

 Actual chart configurations and examples can be found in the `./examples/` directory. They are simple CLI programs that write to `output.png` (they are also updated with `go generate`.

+If folder ends in "web", has web servers, so start them with `go run main.go` then access `http://localhost:8080` to see the output.
+
 # Usage

 Everything starts with the `chart.Chart` object. The bare minimum to draw a chart would be the following:
@ -58,7 +61,7 @@ import (
    ...
    "bytes"
    ...
-    "github.com/wcharczuk/go-chart/v2" //exposes "chart"
+    "git.smarteching.com/zeni/go-chart/v2" //exposes "chart"
 )

 graph := chart.Chart{
--- a/annotation_series_test.go
+++ b/annotation_series_test.go
@ -4,8 +4,8 @@ import (
 	"image/color"
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/drawing"
-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestAnnotationSeriesMeasure(t *testing.T) {
--- a/bar_chart_test.go
+++ b/bar_chart_test.go
@ -5,7 +5,7 @@ import (
 	"math"
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestBarChartRender(t *testing.T) {
--- a/bollinger_band_series_test.go
+++ b/bollinger_band_series_test.go
@ -5,7 +5,7 @@ import (
 	"math"
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestBollingerBandSeries(t *testing.T) {
--- a/box_test.go
+++ b/box_test.go
@ -4,7 +4,7 @@ import (
 	"math"
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestBoxClone(t *testing.T) {
--- a/chart_test.go
+++ b/chart_test.go
@ -8,8 +8,8 @@ import (
 	"testing"
 	"time"

-	"github.com/wcharczuk/go-chart/v2/drawing"
-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestChartGetDPI(t *testing.T) {
--- a/cmd/chart/main.go
+++ b/cmd/chart/main.go
@ -7,7 +7,7 @@ import (
 	"os"
 	"strings"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 var (
--- a/colors.go
+++ b/colors.go
@ -1,6 +1,6 @@
 package chart

-import "github.com/wcharczuk/go-chart/v2/drawing"
+import "git.smarteching.com/zeni/go-chart/v2/drawing"

 var (
 	// ColorWhite is white.
--- a/concat_series_test.go
+++ b/concat_series_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestConcatSeries(t *testing.T) {
--- a/continuous_range_test.go
+++ b/continuous_range_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestRangeTranslate(t *testing.T) {
--- a/continuous_series_test.go
+++ b/continuous_series_test.go
@ -4,7 +4,7 @@ import (
 	"fmt"
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestContinuousSeries(t *testing.T) {
--- a/donut_chart_test.go
+++ b/donut_chart_test.go
@ -4,7 +4,7 @@ import (
 	"bytes"
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestDonutChart(t *testing.T) {
--- a/drawing/color_test.go
+++ b/drawing/color_test.go
@ -6,7 +6,7 @@ import (

 	"image/color"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestColorFromHex(t *testing.T) {
--- a/drawing/curve_test.go
+++ b/drawing/curve_test.go
@ -3,7 +3,7 @@ package drawing
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 type point struct {
--- a/ema_series_test.go
+++ b/ema_series_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 var (
--- a/examples/annotations/main.go
+++ b/examples/annotations/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/axes/main.go
+++ b/examples/axes/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	chart "github.com/wcharczuk/go-chart/v2"
+	chart "git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/axes_labels/main.go
+++ b/examples/axes_labels/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	chart "github.com/wcharczuk/go-chart/v2"
+	chart "git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/bar_chart/main.go
+++ b/examples/bar_chart/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/bar_chart/output.png
+++ b/examples/bar_chart/output.png
--- a/examples/bar_chart_base_value/main.go
+++ b/examples/bar_chart_base_value/main.go
@ -5,8 +5,8 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )

 func main() {
--- a/examples/bar_chart_web/main.go
+++ b/examples/bar_chart_web/main.go
@ -0,0 +1,55 @@
+package main
+
+//go:generate go run main.go
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+
+	"git.smarteching.com/zeni/go-chart/v2"
+)
+
+func drawChart(res http.ResponseWriter, req *http.Request) {
+	graph := chart.BarChart{
+		Title: "Test Bar Chart",
+		Background: chart.Style{
+			Padding: chart.Box{
+				Top: 40,
+			},
+		},
+		Height:   512,
+		BarWidth: 60,
+		Bars: []chart.Value{
+			{Value: 5.25, Label: "Blue"},
+			{Value: 4.88, Label: "Green"},
+			{Value: 4.74, Label: "Gray"},
+			{Value: 3.22, Label: "Orange"},
+			{Value: 3, Label: "Test"},
+			{Value: 2.27, Label: "??"},
+			{Value: 1, Label: "!!"},
+		},
+	}
+
+	res.Header().Set("Content-Type", "image/png")
+	err := graph.Render(chart.PNG, res)
+	if err != nil {
+		fmt.Printf("Error rendering chart: %v\n", err)
+	}
+
+}
+
+func port() string {
+	if len(os.Getenv("PORT")) > 0 {
+		return os.Getenv("PORT")
+	}
+	return "8080"
+}
+
+func main() {
+	listenPort := fmt.Sprintf(":%s", port())
+	fmt.Printf("Listening on %s\n", listenPort)
+	http.HandleFunc("/", drawChart)
+	log.Fatal(http.ListenAndServe(listenPort, nil))
+}
--- a/examples/basic/main.go
+++ b/examples/basic/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/benchmark_line_charts/main.go
+++ b/examples/benchmark_line_charts/main.go
@ -8,7 +8,7 @@ import (
 	"os"
 	"time"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func random(min, max float64) float64 {
--- a/examples/css_classes/main.go
+++ b/examples/css_classes/main.go
@ -5,7 +5,7 @@ import (
 	"log"
 	"net/http"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 // Note: Additional examples on how to add Stylesheets are in the custom_stylesheets example
--- a/examples/custom_formatters/main.go
+++ b/examples/custom_formatters/main.go
@ -6,7 +6,7 @@ import (
 	"fmt"
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/custom_padding/main.go
+++ b/examples/custom_padding/main.go
@ -5,8 +5,8 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )

 func main() {
--- a/examples/custom_ranges/main.go
+++ b/examples/custom_ranges/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/custom_styles/main.go
+++ b/examples/custom_styles/main.go
@ -5,8 +5,8 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )

 func main() {
--- a/examples/custom_stylesheets/main.go
+++ b/examples/custom_stylesheets/main.go
@ -5,7 +5,7 @@ import (
 	"log"
 	"net/http"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 const style = "svg .background { fill: white; }" +
--- a/examples/custom_ticks/main.go
+++ b/examples/custom_ticks/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/descending/main.go
+++ b/examples/descending/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/donut_chart/main.go
+++ b/examples/donut_chart/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/horizontal_stacked_bar/main.go
+++ b/examples/horizontal_stacked_bar/main.go
@ -3,8 +3,8 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )

 func main() {
--- a/examples/image_writer/main.go
+++ b/examples/image_writer/main.go
@ -4,7 +4,7 @@ import (
 	"fmt"
 	"log"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/legend/main.go
+++ b/examples/legend/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	chart "github.com/wcharczuk/go-chart/v2"
+	chart "git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/legend_left/main.go
+++ b/examples/legend_left/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/linear_regression/main.go
+++ b/examples/linear_regression/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	chart "github.com/wcharczuk/go-chart/v2"
+	chart "git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/logarithmic_axes/main.go
+++ b/examples/logarithmic_axes/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/min_max/main.go
+++ b/examples/min_max/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/pie_chart/main.go
+++ b/examples/pie_chart/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/pie_chart_web/main.go
+++ b/examples/pie_chart_web/main.go
@ -0,0 +1,55 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+
+	"git.smarteching.com/zeni/go-chart/v2"
+)
+
+func drawChart(res http.ResponseWriter, req *http.Request) {
+	pie := chart.PieChart{
+		Width:  512,
+		Height: 512,
+		Values: []chart.Value{
+			{Value: 5, Label: "Blue"},
+			{Value: 5, Label: "Green"},
+			{Value: 4, Label: "Gray"},
+			{Value: 4, Label: "Orange"},
+			{Value: 3, Label: "Deep Blue"},
+			{Value: 3, Label: "??"},
+			{Value: 1, Label: "!!"},
+		},
+	}
+
+	res.Header().Set("Content-Type", "image/png")
+	err := pie.Render(chart.PNG, res)
+	if err != nil {
+		fmt.Printf("Error rendering pie chart: %v\n", err)
+	}
+}
+
+func drawChartRegression(res http.ResponseWriter, req *http.Request) {
+	pie := chart.PieChart{
+		Width:  512,
+		Height: 512,
+		Values: []chart.Value{
+			{Value: 5, Label: "Blue"},
+			{Value: 2, Label: "Two"},
+			{Value: 1, Label: "One"},
+		},
+	}
+
+	res.Header().Set("Content-Type", chart.ContentTypeSVG)
+	err := pie.Render(chart.SVG, res)
+	if err != nil {
+		fmt.Printf("Error rendering pie chart: %v\n", err)
+	}
+}
+
+func main() {
+	http.HandleFunc("/", drawChart)
+	http.HandleFunc("/reg", drawChartRegression)
+	log.Fatal(http.ListenAndServe(":8080", nil))
+}
--- a/examples/poly_regression/main.go
+++ b/examples/poly_regression/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	chart "github.com/wcharczuk/go-chart/v2"
+	chart "git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/request_timings/main.go
+++ b/examples/request_timings/main.go
@ -9,7 +9,7 @@ import (
 	"strconv"
 	"time"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/rerender/main.go
+++ b/examples/rerender/main.go
@ -6,7 +6,7 @@ import (
 	"sync"
 	"time"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 var lock sync.Mutex
--- a/examples/scatter/main.go
+++ b/examples/scatter/main.go
@ -6,8 +6,8 @@ import (

 	_ "net/http/pprof"

-	"github.com/wcharczuk/go-chart/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )

 func drawChart(res http.ResponseWriter, req *http.Request) {
--- a/examples/simple_moving_average/main.go
+++ b/examples/simple_moving_average/main.go
@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/stacked_bar/main.go
+++ b/examples/stacked_bar/main.go
@ -3,7 +3,7 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/stacked_bar_labels/main.go
+++ b/examples/stacked_bar_labels/main.go
@ -3,8 +3,8 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )

 func main() {
--- a/examples/stock_analysis/main.go
+++ b/examples/stock_analysis/main.go
@ -6,8 +6,8 @@ import (
 	"os"
 	"time"

-	"github.com/wcharczuk/go-chart/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )

 func main() {
--- a/examples/text_rotation/main.go
+++ b/examples/text_rotation/main.go
@ -5,8 +5,8 @@ package main
 import (
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )

 func main() {
--- a/examples/timeseries/main.go
+++ b/examples/timeseries/main.go
@ -4,7 +4,7 @@ import (
 	"net/http"
 	"time"

-	chart "github.com/wcharczuk/go-chart/v2"
+	chart "git.smarteching.com/zeni/go-chart/v2"
 )

 func drawChart(res http.ResponseWriter, req *http.Request) {
--- a/examples/twoaxis/main.go
+++ b/examples/twoaxis/main.go
@ -6,7 +6,7 @@ import (
 	"fmt"
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/examples/twopoint/main.go
+++ b/examples/twopoint/main.go
@ -7,7 +7,7 @@ import (
 	"log"
 	"os"

-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )

 func main() {
--- a/first_value_annotation_test.go
+++ b/first_value_annotation_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestFirstValueAnnotation(t *testing.T) {
--- a/font.go
+++ b/font.go
@ -3,8 +3,8 @@ package chart
 import (
 	"sync"

+	"git.smarteching.com/zeni/go-chart/v2/roboto"
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2/roboto"
 )

 var (
--- a/go.mod
+++ b/go.mod
@ -1,8 +1,8 @@
-module github.com/wcharczuk/go-chart/v2
+module git.smarteching.com/zeni/go-chart/v2

-go 1.15
+go 1.23.1

 require (
 	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0
-	golang.org/x/image v0.18.0
+	golang.org/x/image v0.21.0
 )
--- a/go.sum
+++ b/go.sum
@ -1,64 +1,4 @@
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
-golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU=
-golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8=
-golang.org/x/image v0.18.0 h1:jGzIakQa/ZXI1I0Fxvaa9W7yP25TqT6cHIHn+6CqvSQ=
-golang.org/x/image v0.18.0/go.mod h1:4yyo5vMFQjVjUcVk4jEQcU9MGy/rulF5WvUILseCM2E=
-golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
-golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
-golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
-golang.org/x/mod v0.15.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
-golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
-golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
-golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
-golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
-golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
-golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2/go.mod h1:TeRTkGYfJXctD9OcfyVLyj2J3IxLnKwHJR8f4D8a3YE=
-golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
-golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
-golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
-golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
-golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
-golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
-golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
-golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
-golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/image v0.21.0 h1:c5qV36ajHpdj4Qi0GnE0jUc/yuo33OLFaa0d+crTD5s=
+golang.org/x/image v0.21.0/go.mod h1:vUbsLavqK/W303ZroQQVKQ+Af3Yl6Uz1Ppu5J/cLz78=
--- a/grid_line_test.go
+++ b/grid_line_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestGenerateGridLines(t *testing.T) {
--- a/histogram_series_test.go
+++ b/histogram_series_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestHistogramSeries(t *testing.T) {
--- a/jet.go
+++ b/jet.go
@ -1,6 +1,6 @@
 package chart

-import "github.com/wcharczuk/go-chart/v2/drawing"
+import "git.smarteching.com/zeni/go-chart/v2/drawing"

 // Jet is a color map provider based on matlab's jet color map.
 func Jet(v, vmin, vmax float64) drawing.Color {
--- a/last_value_annotation_series_test.go
+++ b/last_value_annotation_series_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestLastValueAnnotationSeries(t *testing.T) {
--- a/legend.go
+++ b/legend.go
@ -1,7 +1,7 @@
 package chart

 import (
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )

 // Legend returns a legend renderable function.
--- a/legend_test.go
+++ b/legend_test.go
@ -4,7 +4,7 @@ import (
 	"bytes"
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestLegend(t *testing.T) {
--- a/linear_regression_series_test.go
+++ b/linear_regression_series_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestLinearRegressionSeries(t *testing.T) {
--- a/logarithmic_range_test.go
+++ b/logarithmic_range_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestLogRangeTranslate(t *testing.T) {
--- a/macd_series_test.go
+++ b/macd_series_test.go
@ -4,7 +4,7 @@ import (
 	"fmt"
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 var (
--- a/matrix/matrix_test.go
+++ b/matrix/matrix_test.go
@ -3,7 +3,7 @@ package matrix
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestNew(t *testing.T) {
--- a/matrix/regression_test.go
+++ b/matrix/regression_test.go
@ -3,7 +3,7 @@ package matrix
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestPoly(t *testing.T) {
--- a/percent_change_series_test.go
+++ b/percent_change_series_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestPercentageDifferenceSeries(t *testing.T) {
--- a/pie_chart_test.go
+++ b/pie_chart_test.go
@ -4,7 +4,7 @@ import (
 	"bytes"
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestPieChart(t *testing.T) {
--- a/polynomial_regression_series.go
+++ b/polynomial_regression_series.go
@ -4,7 +4,7 @@ import (
 	"fmt"
 	"math"

-	"github.com/wcharczuk/go-chart/v2/matrix"
+	"git.smarteching.com/zeni/go-chart/v2/matrix"
 )

 // Interface Assertions.
--- a/polynomial_regression_test.go
+++ b/polynomial_regression_test.go
@ -3,8 +3,8 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/matrix"
-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/matrix"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestPolynomialRegression(t *testing.T) {
--- a/raster_renderer.go
+++ b/raster_renderer.go
@ -6,8 +6,8 @@ import (
 	"io"
 	"math"

+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2/drawing"
 )

 // PNG returns a new png/raster renderer.
--- a/renderer.go
+++ b/renderer.go
@ -3,8 +3,8 @@ package chart
 import (
 	"io"

+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2/drawing"
 )

 // Renderer represents the basic methods required to draw a chart.
--- a/seq_test.go
+++ b/seq_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestSeqEach(t *testing.T) {
--- a/sma_series_test.go
+++ b/sma_series_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 type mockValuesProvider struct {
--- a/stringutil_test.go
+++ b/stringutil_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestSplitCSV(t *testing.T) {
--- a/style.go
+++ b/style.go
@ -4,8 +4,8 @@ import (
 	"fmt"
 	"strings"

+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2/drawing"
 )

 const (
--- a/style_test.go
+++ b/style_test.go
@ -3,9 +3,9 @@ package chart
 import (
 	"testing"

+	"git.smarteching.com/zeni/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2/drawing"
-	"github.com/wcharczuk/go-chart/v2/testutil"
 )

 func TestStyleIsZero(t *testing.T) {
--- a/text_test.go
+++ b/text_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestTextWrapWord(t *testing.T) {
--- a/tick_test.go
+++ b/tick_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestGenerateContinuousTicks(t *testing.T) {
--- a/time_series_test.go
+++ b/time_series_test.go
@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestTimeSeriesGetValue(t *testing.T) {
--- a/value_buffer_test.go
+++ b/value_buffer_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestBuffer(t *testing.T) {
--- a/value_formatter_test.go
+++ b/value_formatter_test.go
@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestTimeValueFormatterWithFormat(t *testing.T) {
--- a/value_provider.go
+++ b/value_provider.go
@ -1,6 +1,6 @@
 package chart

-import "github.com/wcharczuk/go-chart/v2/drawing"
+import "git.smarteching.com/zeni/go-chart/v2/drawing"

 // ValuesProvider is a type that produces values.
 type ValuesProvider interface {
--- a/value_test.go
+++ b/value_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestValuesValues(t *testing.T) {
--- a/vector_renderer.go
+++ b/vector_renderer.go
@ -9,8 +9,8 @@ import (

 	"golang.org/x/image/font"

+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2/drawing"
 )

 // SVG returns a new png/raster renderer.
--- a/vector_renderer_test.go
+++ b/vector_renderer_test.go
@ -6,8 +6,8 @@ import (
 	"strings"
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/drawing"
-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestVectorRendererPath(t *testing.T) {
--- a/viridis.go
+++ b/viridis.go
@ -1,6 +1,6 @@
 package chart

-import "github.com/wcharczuk/go-chart/v2/drawing"
+import "git.smarteching.com/zeni/go-chart/v2/drawing"

 var viridisColors = [256]drawing.Color{
 	{R: 0x44, G: 0x1, B: 0x54, A: 0xff},
--- a/xaxis_test.go
+++ b/xaxis_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestXAxisGetTicks(t *testing.T) {
--- a/yaxis_test.go
+++ b/yaxis_test.go
@ -3,7 +3,7 @@ package chart
 import (
 	"testing"

-	"github.com/wcharczuk/go-chart/v2/testutil"
+	"git.smarteching.com/zeni/go-chart/v2/testutil"
 )

 func TestYAxisGetTicks(t *testing.T) {
Author	SHA1	Message	Date
Zeni Kim	63f0be79dd	add web server sample	2024-10-27 22:48:01 -05:00
Zeni Kim	1f6d76e8b5	fix paths	2024-10-27 22:24:27 -05:00
Zeni Kim	cc8d36edd9	update url Some checks failed Continuous Integration / Tests (push) Has been cancelled Details	2024-10-27 21:52:38 -05:00
Zeni Kim	bd2b44aa38	Start copy from https://github.com/wcharczuk/go-chart	2024-10-27 16:38:55 -05:00
Will Charczuk	b46667ea80	Update README.md (#230 )	2024-08-23 08:50:22 -07:00