display chars
This commit is contained in:
commit
c70b369f31
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/*
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Copyright © 2024 NAME HERE <EMAIL ADDRESS>
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*/
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package cmd
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import (
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"fmt"
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"github.com/spf13/cobra"
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)
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// drawCmd represents the draw command
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var drawCmd = &cobra.Command{
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Use: "draw",
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Short: "Draws a defined Image on Screen in ASCII",
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Long: `A longer description that spans multiple lines and likely contains examples
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and usage of using your command. For example:
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Cobra is a CLI library for Go that empowers applications.
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This application is a tool to generate the needed files
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to quickly create a Cobra application.`,
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Run: func(cmd *cobra.Command, args []string) {
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fmt.Println("draw called")
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},
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}
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func init() {
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rootCmd.AddCommand(drawCmd)
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// Here you will define your flags and configuration settings.
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// Cobra supports Persistent Flags which will work for this command
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// and all subcommands, e.g.:
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// drawCmd.PersistentFlags().String("foo", "", "A help for foo")
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// Cobra supports local flags which will only run when this command
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// is called directly, e.g.:
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// drawCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
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}
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/*
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Copyright © 2024 NAME HERE <EMAIL ADDRESS>
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*/
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package cmd
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import (
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"os"
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"github.com/spf13/cobra"
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)
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// rootCmd represents the base command when called without any subcommands
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var rootCmd = &cobra.Command{
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Use: "cli-shapes",
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Short: "A brief description of your application",
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Long: `A longer description that spans multiple lines and likely contains
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examples and usage of using your application. For example:
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Cobra is a CLI library for Go that empowers applications.
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This application is a tool to generate the needed files
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to quickly create a Cobra application.`,
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// Uncomment the following line if your bare application
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// has an action associated with it:
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// Run: func(cmd *cobra.Command, args []string) { },
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}
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// Execute adds all child commands to the root command and sets flags appropriately.
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// This is called by main.main(). It only needs to happen once to the rootCmd.
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func Execute() {
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err := rootCmd.Execute()
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if err != nil {
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os.Exit(1)
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}
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}
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func init() {
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// Here you will define your flags and configuration settings.
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// Cobra supports persistent flags, which, if defined here,
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// will be global for your application.
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// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.cli-shapes.yaml)")
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// Cobra also supports local flags, which will only run
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// when this action is called directly.
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rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
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}
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module github.com/LorenzHohermuth/cli-shapes
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go 1.21.6
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require (
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github.com/inconshreveable/mousetrap v1.1.0 // indirect
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github.com/spf13/cobra v1.8.0 // indirect
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github.com/spf13/pflag v1.0.5 // indirect
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)
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github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
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github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
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github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
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github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
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github.com/spf13/cobra v1.8.0 h1:7aJaZx1B85qltLMc546zn58BxxfZdR/W22ej9CFoEf0=
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github.com/spf13/cobra v1.8.0/go.mod h1:WXLWApfZ71AjXPya3WOlMsY9yMs7YeiHhFVlvLyhcho=
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github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
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github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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package color
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import "fmt"
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var colorForeground = map[[3]int]string {
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[3]int{0, 0, 0}:"\033[30m",
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[3]int{204, 0, 0}:"\033[31m",
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[3]int{78, 154, 6}:"\033[32m",
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[3]int{196, 160, 0}:"\033[33m",
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[3]int{114, 159, 207}:"\033[34m",
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[3]int{117, 80, 123}:"\033[35m",
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[3]int{6, 152, 154}:"\033[36m",
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[3]int{211, 215, 207}:"\033[37m",
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[3]int{85, 87, 83}:"\033[90m",
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[3]int{239, 41, 41}:"\033[91m",
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[3]int{138, 226, 52}:"\033[92m",
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[3]int{252, 233, 79}:"\033[93m",
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[3]int{50, 175, 255}:"\033[94m",
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[3]int{173, 127, 168}:"\033[95m",
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[3]int{52, 226, 226}:"\033[96m",
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[3]int{255, 255, 255}:"\033[97m",
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}
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func PrintColorPallet() {
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non := "\033[0m"
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arr := []string{"\033[49m", "\033[40m", "\033[41m", "\033[42m", "\033[43m", "\033[44m", "\033[45m", "\033[46m", "\033[47m", "\033[100m", "\033[101m", "\033[102m", "\033[103m", "\033[104m", "\033[105m", "\033[106m", "\033[107m"}
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for _, v := range arr {
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fmt.Println(v, " ", non)
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}
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}
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package renderer
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type Bitmap struct {
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Matrix [][]float64 //number between 0 and 1
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}
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func (b Bitmap) Render() (mat [][]string ) {
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for _, v := range b.Matrix {
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var arr []string
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for _, x := range v {
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arr = append(arr, GetChar(x))
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}
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mat = append(mat, arr)
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}
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return mat
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}
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package renderer
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import (
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"math"
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)
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var ascii = map[string]float64{
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" ":0,
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"`":0.0751,
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".":0.0829,
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"-":0.0848,
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"'":0.1227,
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":":0.1403,
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"_":0.1559,
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",":0.185,
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"^":0.2183,
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"=":0.2417,
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";":0.2571,
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">":0.2852,
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"<":0.2902,
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"+":0.2919,
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"!":0.3099,
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"r":0.3192,
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"c":0.3232,
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"*":0.3294,
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"/":0.3384,
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"z":0.3609,
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"?":0.3619,
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"s":0.3667,
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"L":0.3737,
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"T":0.3747,
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"v":0.3838,
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")":0.3921,
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"J":0.396,
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"7":0.3984,
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"(":0.3993,
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"|":0.4075,
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"F":0.4091,
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"i":0.4101,
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"{":0.42,
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"C":0.423,
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"}":0.4247,
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"f":0.4274,
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"I":0.4293,
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"3":0.4328,
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"1":0.4382,
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"t":0.4385,
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"l":0.442,
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"u":0.4473,
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"[":0.4477,
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"n":0.4503,
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"e":0.4562,
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"o":0.458,
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"Z":0.461,
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"5":0.4638,
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"Y":0.4667,
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"x":0.4686,
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"j":0.4693,
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"y":0.4703,
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"a":0.4833,
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"]":0.4881,
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"2":0.4944,
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"E":0.4953,
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"S":0.4992,
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"w":0.5509,
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"q":0.5567,
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"k":0.5569,
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"P":0.5591,
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"6":0.5602,
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"h":0.5602,
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"9":0.565,
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"d":0.5776,
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"4":0.5777,
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"V":0.5818,
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"p":0.587,
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"O":0.5972,
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"G":0.5999,
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"b":0.6043,
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"U":0.6049,
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"A":0.6093,
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"K":0.6099,
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"X":0.6465,
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"H":0.6561,
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"m":0.6595,
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"8":0.6631,
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"R":0.6714,
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"D":0.6759,
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"#":0.6809,
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"$":0.6816,
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"B":0.6925,
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"g":0.7039,
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"0":0.7086,
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"M":0.7235,
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"N":0.7302,
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"W":0.7332,
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"Q":0.7602,
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"%":0.7834,
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"&":0.8037,
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"@":0.9999,
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}
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func GetChar(brightness float64) string {
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var char string = " "
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var delta float64 = 1
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for k, v := range ascii {
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otherDelta := math.Abs(v - brightness)
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if (otherDelta < delta) {
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delta = otherDelta
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char = k
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}
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}
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return char
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}
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/*
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Copyright © 2024 NAME HERE <EMAIL ADDRESS>
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*/
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package main
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import (
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"github.com/LorenzHohermuth/cli-shapes/cmd"
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"github.com/LorenzHohermuth/cli-shapes/internal/color"
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"github.com/LorenzHohermuth/cli-shapes/internal/renderer"
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"github.com/LorenzHohermuth/cli-shapes/pkg/image"
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)
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func main() {
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pix := image.ImageToPixles("/home/lorenz/Downloads/crab.png")
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s := ""
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for _, y := range pix {
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for _, x := range y {
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s += renderer.GetChar(x.Brightness())
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}
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s += "\n"
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}
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color.PrintColorPallet()
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cmd.Execute()
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}
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package image
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//func getBighnessMap(map [][]Pixel) [][]float64{}
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func (pix Pixel) Brightness() float64 {
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R := float64(pix.R)
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G := float64(pix.G)
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B := float64(pix.B)
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A := float64(pix.A)
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brightness := (0.2126*R + 0.7152*G + 0.0722*B) /255
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return brightness * (A / 255)
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}
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@ -0,0 +1,49 @@
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package image
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import (
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"image"
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"image/png"
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"io"
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"os"
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)
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type Pixel struct {
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R int
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G int
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B int
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A int
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}
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func ImageToPixles(path string) [][]Pixel {
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image.RegisterFormat("png", "png", png.Decode, png.DecodeConfig)
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file, err := os.Open(path)
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check(err)
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defer file.Close()
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return getPixles(file)
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}
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func getPixles(f io.Reader) [][]Pixel {
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img, _, err := image.Decode(f)
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check(err)
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bounds := img.Bounds()
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width, height := bounds.Max.X, bounds.Max.Y
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var pixels [][]Pixel
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for y := 0; y < height; y++ {
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var row []Pixel
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for x := 0; x < width; x++ {
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row = append(row, rgbaToPixel(img.At(x,y).RGBA()))
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}
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pixels = append(pixels, row)
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}
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return pixels
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}
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func rgbaToPixel(r uint32, g uint32, b uint32, a uint32) Pixel {
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return Pixel{int(r / 257), int(g / 257), int(b / 257), int(a / 257)}
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}
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|
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func check(err error) {
|
||||
if err != nil {
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panic(err)
|
||||
}
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||||
}
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