main.go

package main

import (
    "supinie/hashquine_generator/lib"

    "flag"
    "fmt"
    "strconv"
    "os"
)
    
func main() {
    var template_dir string
    var output string

    flag.StringVar(&template_dir, "t", "./building_blocks", "Specify the location of the directory containing the templates to be used. By default, this will be the building_blocks dir in the root of the repo.")
    flag.StringVar(&output, "o", "hashquine.gif", "Specify the name of the output gif, by default this will be 'hashquine.gif'.")
    flag.Parse()

    background_blocks, err := lib.Read_gif("./building_blocks/background_blank.gif")
    if err != nil {
        fmt.Println(err)
        return
    }
    var chars_img_data [16][]byte
    for _, character := range "0123456789abcdef" {
        char_block, err := lib.Read_gif("./building_blocks/" + string(character) + ".gif")
        if err != nil {
            fmt.Println(err)
            return
        }
        index, err := strconv.ParseUint(string(character), 16, 0)
        if err != nil {
            fmt.Println(err)
            return
        }
        chars_img_data[index] = char_block["img_data"]
    }
    hashquine_params := lib.Hashquine_params{
        Template_dir: template_dir,
        Output: output,
        Hash_img_coordinates: [2]int{-40, -40},
        Mask: "                                ",
        Background_blocks: background_blocks,
        Chars_img_data: chars_img_data,
        Char_height: 40,
        Char_width: 40,
    }
    generated_gif, err := lib.Generate(&hashquine_params)
    if err != nil {
        fmt.Println(err)
        return
    }
    err = os.WriteFile(output, generated_gif, 0666)
    if err != nil {
        fmt.Println(err)
        return
    }
    return
}