Refactor root.go
This commit is contained in:
Ronnie Smith
parent
efcefe1b51
commit
bb50c08c7f
110
cmd/root.go
110
cmd/root.go
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@ -20,6 +20,7 @@ import (
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"image"
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"io/ioutil"
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"os"
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"strings"
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imgMani "github.com/TheZoraiz/ascii-image-converter/image_manipulation"
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@ -31,7 +32,7 @@ import (
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var (
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cfgFile string
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simple bool
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compl bool
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dimensions []int
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save bool
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@ -39,102 +40,59 @@ var (
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Use: "ascii-image-converter [image path]",
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Short: "Converts images into ascii format",
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Long: `ascii-image-converter converts images into ascii format and prints them onto the terminal window. Further configuration can be managed with flags`,
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Run: func(cmd *cobra.Command, args []string) {
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if len(args) > 1 {
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cmd.Help()
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os.Exit(1)
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} else if len(args) == 0 {
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cmd.Help()
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os.Exit(1)
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Args: cobra.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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numberOfDimensions := len(dimensions)
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if dimensions != nil && numberOfDimensions != 2 {
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return fmt.Errorf("-d requires two dimensions got %v", numberOfDimensions)
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}
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var imagePath string
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isComplex, err := cmd.Flags().GetBool("complex")
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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save, err := cmd.Flags().GetBool("save")
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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dims, err := cmd.Flags().GetIntSlice("dimensions")
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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if len(dims) > 0 && len(dims) != 2 {
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fmt.Println("Error: Need two dimensions\n")
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cmd.Help()
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os.Exit(1)
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}
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imagePath = args[0]
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convertPicture(imagePath, isComplex, dims, save)
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imagePath := args[0]
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return convertPicture(imagePath, compl, dimensions, save)
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},
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}
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)
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func convertPicture(imagePath string, isComplex bool, dimensions []int, save bool) {
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func convertPicture(imagePath string, isComplex bool, dimensions []int, save bool) error {
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pic, err := os.Open(imagePath)
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if err != nil {
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panic(err)
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return fmt.Errorf("Unable to open file: %w", err)
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}
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defer pic.Close()
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imData, _, err := image.Decode(pic)
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if err != nil {
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panic(err)
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return fmt.Errorf("Unable to decode file: %w", err)
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}
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imgSet := imgMani.ConvertToTerminalSizedSlices(imData, dimensions)
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var asciiSet [][]string
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if isComplex {
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printDetailedAscii(imgSet, save)
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asciiSet = imgMani.ConvertToAsciiDetailed(imgSet)
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} else {
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printSimpleAscii(imgSet, save)
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asciiSet = imgMani.ConvertToAsciiSimple(imgSet)
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}
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ascii := flattenAscii(asciiSet)
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for _, line := range ascii {
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fmt.Println(line)
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}
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if save {
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return ioutil.WriteFile("ascii-image.txt", []byte(strings.Join(ascii, "\n")), 0777)
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}
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return nil
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}
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func printDetailedAscii(imgSet [][]uint32, save bool) {
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final := imgMani.ConvertToAsciiDetailed(imgSet)
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var temp string
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for i := 0; i < len(final); i++ {
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for j := 0; j < len(final[i]); j++ {
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temp += fmt.Sprintf("%s", string(final[i][j]))
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fmt.Printf("%s", string(final[i][j]))
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}
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temp += "\n"
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fmt.Println()
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}
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if save {
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ioutil.WriteFile("ascii-image.txt", []byte(temp), 0777)
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}
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}
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func printSimpleAscii(imgSet [][]uint32, save bool) {
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final := imgMani.ConvertToAsciiSimple(imgSet)
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var temp string
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for i := 0; i < len(final); i++ {
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for j := 0; j < len(final[i]); j++ {
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temp += fmt.Sprintf("%s", string(final[i][j]))
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fmt.Printf("%s", string(final[i][j]))
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}
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temp += "\n"
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fmt.Println()
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}
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if save {
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ioutil.WriteFile("ascii-image.txt", []byte(temp), 0777)
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// flattenAscii flattens a two-dimensional grid of ascii characters into a one dimension
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// of lines of ascii
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func flattenAscii(asciiSet [][]string) []string {
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var ascii []string
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for _, line := range asciiSet {
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ascii = append(ascii, strings.Join(line, ""))
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}
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return ascii
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}
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// Cobra configuration from here on
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@ -150,11 +108,9 @@ func init() {
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cobra.OnInitialize(initConfig)
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rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.ascii-image-converter.yaml)")
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rootCmd.PersistentFlags().BoolVarP(&simple, "complex", "c", false, "Prints ascii characters in a larger range, may result in higher quality")
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rootCmd.PersistentFlags().BoolVarP(&compl, "complex", "c", false, "Prints ascii characters in a larger range, may result in higher quality")
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rootCmd.PersistentFlags().IntSliceVarP(&dimensions, "dimensions", "d", nil, "Set width and height for ascii art in CHARACTER length e.g. 100,30 (defaults to terminal size)")
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rootCmd.PersistentFlags().BoolVarP(&save, "save", "S", false, "Save ascii text in current directory in an ascii-image.txt file")
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rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
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}
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// initConfig reads in config file and ENV variables if set.
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