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105 lines
3.1 KiB
Markdown
105 lines
3.1 KiB
Markdown
# FIGlet for Go
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`figlet4go` is a go library forked from [getwe/figlet4go](https://github.com/getwe/figlet4go) which is a port of [FIGlet](http://www.figlet.org/) to Golang.
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With `figlet4go` it's easy to create **ascii text banners** in the command-line or with the given api.
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## Installation
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```
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$ go get -u github.com/probandula/figlet4go/...
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```
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## Usage
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### Command-line
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You can use the `figlet4go` command in the command-line.
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For example (generates the banner on top):
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```bash
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$ figlet4go -str "figlet4go" -font "larry3d" -colors "green;yellow;cyan"
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```
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For a usage instruction read the commands usage with `figlet4go -h`.
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### Basic
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You have to create a renderer (`ascii`) and let it render the desired string through the `Render` method. After that you can simply print the returned string.
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```go
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import "github.com/probandula/figlet4go"
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// ...
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ascii := figlet4go.NewAsciiRender()
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// The underscore would be an error
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renderStr, _ := ascii.Render("Hello World")
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fmt.Print(renderStr)
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```
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### Colored
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The colors given in the `[]color.Attribute` slice are repeating if the string is longer than the slice. You have to call the `RenderOpts` instead of the `Render` method to give the Renderer the Options.
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```go
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import "github.com/probandula/figlet4go"
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import "github.com/fatih/color"
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// ...
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ascii := figlet4go.NewAsciiRender()
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// Adding the colors to RenderOptions
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options := figlet4go.NewRenderOptions()
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options.FontColor = []color.Attribute{
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color.FgGreen,
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color.FgYellow,
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color.FgCyan,
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}
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renderStr, _ := ascii.RenderOpts("Hello Colors", options)
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fmt.Print(renderStr)
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```
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### Other font
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If you want to use another font, you have to specify the name of the font as in this example.
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Is the font you want to use not [included](#builtin) you have to load the font manually with the `LoadFont` method. This method will walk the path recursively and load all `.flf` files.
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```go
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import "github.com/probandula/figlet4go"
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// ...
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ascii := figlet4go.NewAsciiRender()
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options := figlet4go.NewRenderOptions()
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options.FontName = "larry3d"
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// If 'larry3d' wouldn't be included you would have to load your .flf files like that:
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ascii.LoadFont("/path/to/fonts/")
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renderStr, _ := ascii.RenderOpts("Hello Colors", options)
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fmt.Print(renderStr)
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```
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## Fonts
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### Builtin
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The builtin fonts are built into the `bindata.go` file with the tool [go-bindata](https://github.com/jteeuwen/go-bindata).
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The bash script for building the default font is stored in `tools/` (`go-bindata` must be installed).
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The default font is `standard`. These are the builtin fonts:
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| Font name | Source |
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| --------- | ------ |
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| standard | http://www.figlet.org/fontdb_example.cgi?font=standard.flf |
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| larry3d | http://www.figlet.org/fontdb_example.cgi?font=larry3d.flf |
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### Other fonts
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Other fonts can mainly be found on [figlet](http://www.figlet.org). You have to load them as in [this example](#other-font).
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## Todo
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- [x] Cli client
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- [ ] automatic the perfect char margin
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- [ ] Linebreak possible?
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- [x] Colors in the cli client
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- [ ] No dependencies (fatih/color) |