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readme changes, other default font, go-bindata for default font, little commenting

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probandula
2016-10-24 17:25:16 +02:00
parent bc879344e8
commit edfcb18a11
14 changed files with 2537 additions and 826 deletions
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.gitignore
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# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
tags
*.test
LICENSE
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The MIT License (MIT)
Copyright (c) 2014 getwe
Copyright (c) 2014 getwe, 2016 probandula
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
README.md
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# figlet4go
_______ __ _______ __ _______ .___________. _ _ _______ ______
| ____|| | / _____|| | | ____|| || || | / _____| / __ \
| |__ | | | | __ | | | |__ `---| |----`| || |_ | | __ | | | |
| __| | | | | |_ | | | | __| | | |__ _| | | |_ | | | | |
| | | | | |__| | | `----.| |____ | | | | | |__| | | `--' |
|__| |__| \______| |_______||_______| |__| |_| \______| \______/
# FIGlet for Go
A port of [figlet](http://www.figlet.org/) to golang.
Make it easier to use,add some new feature such as colorized outputs.
**Currently in Development.
Sould work but will be improved (add demos, better font adding, maybe better performance, more default fonts)**
A port of [figlet](http://www.figlet.org/) to golang and fork of [getwe/figlet4go](https://github.com/getwe/figlet4go).
![screenshot](./screenshot/figlet4go.png)
## Installation
```
go get -u github.com/probandula/figlet4go
```
## Usage
```go
// Create the renderer
ascii := figlet4go.NewAsciiRender()
// Optional: Add color to the letters (https://github.com/fatih/color needed)
### Install
```
go get -u github.com/getwe/figlet4go
// Render and print the string
renderStr, _ := ascii.Render("Hello World")
fmt.Print(renderStr)
```
### Demo
## Default font
The default font is built into the `bindata.go` file with the tool [go-bindata](https://github.com/jteeuwen/go-bindata).
The bash script for building the default font is stored in `tools/` (`go-bindata` must be installed).
```
cd demo/
go build
./demo -str="golang"
#Maybe you have to `brew install figlet` if you need 3D fond in mac osx.
```
see details in `demo/demo.go` .
![screenshot](./screenshot/demo1.jpg)
## Use the demo
There are [demo](https://github.com/probandula/figlet4go/blob/master/demo) programs for trying out the library.
To run them, `cd` into the `demo/` directory and run `go run [filename]` on any program you want to run.
assets/standard.flf
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bindata.go
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buildinfont.go
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package figlet4go
// Build in source font from starwars.flf
const builtInFont = `flf2a$ 7 6 22 15 4
starwars.flf by Ryan Youck (youck@cs.uregina.ca) Dec 25/1994
I am not responsible for use of this font
Based on Big.flf by Glenn Chappell
$ $@
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V V @
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@@
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\ \ $@
.----) | $@
|_ __/ $@
'--' $@@
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|_| @@`
demo/colored.go
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package main
demo/default.go
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// Print a simple string with the 'standard' figlet font
package main
import (
"fmt"
"github.com/probandula/figlet4go"
)
// String to be printed
const str string = "Default"
func main() {
// Create the renderer
ascii := figlet4go.NewAsciiRender()
// Render the string
renderStr, _ := ascii.Render(str)
// Print the string
fmt.Print(renderStr)
}
demo/demo.go
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package main
import (
"flag"
"fmt"
"github.com/fatih/color"
"github.com/getwe/figlet4go"
)
var flag_str = flag.String("str", "golang", "input string")
func main() {
flag.Parse()
str := *flag_str
ascii := figlet4go.NewAsciiRender()
// most simple Usage
renderStr, _ := ascii.Render(str)
fmt.Println(renderStr)
// change the font color
colors := [...]color.Attribute{
color.FgMagenta,
color.FgYellow,
color.FgBlue,
color.FgCyan,
color.FgRed,
color.FgWhite,
}
options := figlet4go.NewRenderOptions()
options.FontColor = make([]color.Attribute, len(str))
for i := range options.FontColor {
options.FontColor[i] = colors[i%len(colors)]
}
renderStr, _ = ascii.RenderOpts(str, options)
fmt.Println(renderStr)
// change the font
options.FontName = "larry3d"
// except the default font,others need to be load from disk
// here is the font :
// ftp://ftp.figlet.org/pub/figlet/fonts/contributed.tar.gz
// ftp://ftp.figlet.org/pub/figlet/fonts/international.tar.gz
// download and extract to the disk,then specify the file path to load
ascii.LoadFont("/usr/local/Cellar/figlet/2.2.5/share/figlet/fonts/")
renderStr, _ = ascii.RenderOpts(str, options)
fmt.Println(renderStr)
}
demo/otherfont.go
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package main
func main() {
}
font.go
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@@ -9,20 +9,22 @@ import (
"strings"
)
// Represents a single font
type font struct {
hardblank string
height int
fontSlice []string
}
// Holds the fonts
type fontManager struct {
// font library
// Font libraries
fontLib map[string]*font
// font name to path
// Font name to path
fontList map[string]string
}
// Create new fontmanager
func newFontManager() *fontManager {
this := &fontManager{}
@@ -33,7 +35,7 @@ func newFontManager() *fontManager {
return this
}
// walk through the path, load all the *.flf font file
// Load all font *.flf files in the fontPath recursivly
func (this *fontManager) loadFont(fontPath string) error {
return filepath.Walk(fontPath, func(path string, info os.FileInfo, err error) error {
@@ -51,8 +53,14 @@ func (this *fontManager) loadFont(fontPath string) error {
})
}
// Load the default font
func (this *fontManager) loadBuildInFont() error {
font, err := this.parseFontContent(builtInFont)
fontStr, err := Asset("standard.flf")
if err != nil {
panic(err)
}
font, err := this.parseFontContent(string(fontStr))
if err != nil {
return err
}
@@ -60,6 +68,7 @@ func (this *fontManager) loadBuildInFont() error {
return nil
}
// Load a font from disk
func (this *fontManager) loadDiskFont(fontName string) error {
fontFilePath, ok := this.fontList[fontName]
@@ -82,6 +91,7 @@ func (this *fontManager) loadDiskFont(fontName string) error {
return nil
}
// Parse a font from a content string
func (this *fontManager) parseFontContent(cont string) (*font, error) {
lines := strings.Split(cont, "\n")
if len(lines) < 1 {
@@ -113,6 +123,7 @@ func (this *fontManager) parseFontContent(cont string) (*font, error) {
return font, nil
}
// Get a font by name
func (this *fontManager) getFont(fontName string) (*font, error) {
font, ok := this.fontLib[fontName]
if !ok {
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tools/build-default-font.sh
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#!/usr/bin/env bash
# Build the bindata.go file with the default font in it
cd ../assets
go-bindata -o ../bindata.go -pkg figlet4go ./