zeni/go-chart
1
0
Fork 0
Code Issues Pull requests Projects Releases 2 Packages Wiki Activity Actions

Compare commits

base: zeni:main
Branches Tags
zeni:main
zeni:wcharczuk-patch-2
zeni:wcharczuk-patch-1
zeni:will/go1.18
zeni:v3.0
zeni:landscape_sbc
zeni:candlestick
zeni:pointers-are-bad
zeni:scatter
zeni:v2.1.4
zeni:v2.1.3
zeni:V1.1
zeni:v2.1.2
zeni:v2.1.1
zeni:v2.1.0
zeni:v2.0.1
zeni:v2.0.0-rc.3
zeni:v2.0
zeni:v2.0.0-rc.2
zeni:v2.0.0-rc.1
zeni:v1.1.0
zeni:v1.0
zeni:v1.0.0-rc.2
zeni:v1.0.0-rc.1
..
compare: zeni:v2.1.3
Branches Tags
zeni:main
zeni:wcharczuk-patch-2
zeni:wcharczuk-patch-1
zeni:will/go1.18
zeni:v3.0
zeni:landscape_sbc
zeni:candlestick
zeni:pointers-are-bad
zeni:scatter
zeni:v2.1.4
zeni:v2.1.3
zeni:V1.1
zeni:v2.1.2
zeni:v2.1.1
zeni:v2.1.0
zeni:v2.0.1
zeni:v2.0.0-rc.3
zeni:v2.0
zeni:v2.0.0-rc.2
zeni:v2.0.0-rc.1
zeni:v1.1.0
zeni:v1.0
zeni:v1.0.0-rc.2
zeni:v1.0.0-rc.1

No commits in common. "main" and "v2.1.3" have entirely different histories.
main ... v2.1.3

7 changed files with 79 additions and 131 deletions
Show stats Expand all files Collapse all files

18
README.md
View file

@ -1,7 +1,7 @@
go-chart go-chart
======== ========
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. This project starts from a full copy from [https://github.com/wcharczuk/go-chart](https://github.com/wcharczuk/go-chart). 28 Oct 2024.
- -
@ -12,7 +12,7 @@ Master should now be on the v3.x codebase, which overhauls the api significantly
To install `chart` run the following: To install `chart` run the following:
```bash ```bash
> go get git.smarteching.com/zeni/go-chart/v2@latest > go get github.com/wcharczuk/go-chart/v2@latest
``` ```
Most of the components are interchangeable so feel free to crib whatever you want. Most of the components are interchangeable so feel free to crib whatever you want.
@ -21,27 +21,27 @@ Most of the components are interchangeable so feel free to crib whatever you wan
Spark Lines: Spark Lines:
![](https://git.smarteching.com/zeni/go-chart/raw/branch/main/_images/tvix_ltm.png) ![](https://raw.githubusercontent.com/wcharczuk/go-chart/master/_images/tvix_ltm.png)
Single axis: Single axis:
![](https://git.smarteching.com/zeni/go-chart/raw/branch/main/_images/goog_ltm.png) ![](https://raw.githubusercontent.com/wcharczuk/go-chart/master/_images/goog_ltm.png)
Two axis: Two axis:
![](https://git.smarteching.com/zeni/go-chart/raw/branch/main/_images/two_axis.png) ![](https://raw.githubusercontent.com/wcharczuk/go-chart/master/_images/two_axis.png)
# Other Chart Types # Other Chart Types
Pie Chart: Pie Chart:
![](https://git.smarteching.com/zeni/go-chart/raw/branch/main/_images/pie_chart.png) ![](https://raw.githubusercontent.com/wcharczuk/go-chart/master/_images/pie_chart.png)
The code for this chart can be found in `examples/pie_chart/main.go`. The code for this chart can be found in `examples/pie_chart/main.go`.
Stacked Bar: Stacked Bar:
![](https://git.smarteching.com/zeni/go-chart/raw/branch/main/_images/stacked_bar.png) ![](https://raw.githubusercontent.com/wcharczuk/go-chart/master/_images/stacked_bar.png)
The code for this chart can be found in `examples/stacked_bar/main.go`. The code for this chart can be found in `examples/stacked_bar/main.go`.
@ -49,8 +49,6 @@ 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`. 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 # Usage
Everything starts with the `chart.Chart` object. The bare minimum to draw a chart would be the following: Everything starts with the `chart.Chart` object. The bare minimum to draw a chart would be the following:
@ -61,7 +59,7 @@ import (
... ...
"bytes" "bytes"
... ...
"git.smarteching.com/zeni/go-chart/v2" //exposes "chart" "github.com/wcharczuk/go-chart/v2" //exposes "chart"
) )
graph := chart.Chart{ graph := chart.Chart{

BIN
examples/bar_chart/output.png
View file

Binary file not shown.
Side by side Swipe Overlay

Before

Width:  |  Height:  |  Size: 19 KiB

After

Width:  |  Height:  |  Size: 19 KiB

55
examples/bar_chart_web/main.go
View file

@ -1,55 +0,0 @@
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))
}

12
examples/pie_chart/main.go
View file

@ -5,7 +5,7 @@ package main
import ( import (
"os" "os"
"git.smarteching.com/zeni/go-chart/v2" "git.smarteching.com/zeni/go-chart"
) )
func main() { func main() {
@ -13,11 +13,11 @@ func main() {
Width: 512, Width: 512,
Height: 512, Height: 512,
Values: []chart.Value{ Values: []chart.Value{
{Value: 5, Label: "Blue"}, {Value: 5, Label: "Blues"},
{Value: 5, Label: "Green"}, {Value: 5, Label: "Greens"},
{Value: 4, Label: "Gray"}, {Value: 4, Label: "Grays"},
{Value: 4, Label: "Orange"}, {Value: 4, Label: "Oranges"},
{Value: 3, Label: "Deep Blue"}, {Value: 3, Label: "Deep Blues"},
{Value: 3, Label: "??"}, {Value: 3, Label: "??"},
{Value: 1, Label: "!!"}, {Value: 1, Label: "!!"},
}, },

55
examples/pie_chart_web/main.go
View file

@ -1,55 +0,0 @@
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))
}

6
go.mod
View file

@ -1,8 +1,8 @@
module git.smarteching.com/zeni/go-chart/v2 module github.com/wcharczuk/go-chart/v2
go 1.23.1 go 1.15
require ( require (
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0
golang.org/x/image v0.21.0 golang.org/x/image v0.18.0
) )

64
go.sum
View file

@ -1,4 +1,64 @@
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g= 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/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
golang.org/x/image v0.21.0 h1:c5qV36ajHpdj4Qi0GnE0jUc/yuo33OLFaa0d+crTD5s= github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
golang.org/x/image v0.21.0/go.mod h1:vUbsLavqK/W303ZroQQVKQ+Af3Yl6Uz1Ppu5J/cLz78= 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=