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- /*
- * Copyright © 2021 A Bunch Tell LLC.
- *
- * This file is part of text-pic.
- *
- * text-pic is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, included
- * in the LICENSE file in this source code package.
- */
-
- package main
-
- import (
- "flag"
- "io/ioutil"
- "os"
- "strconv"
- "strings"
- "time"
-
- "github.com/writeas/text-pic"
- "github.com/writeas/web-core/log"
- )
-
- var (
- outputFile = flag.String("o", "out.png", "Image output filename")
- font = flag.String("font", "serif", "Post font (options: \"serif\", \"sans\", \"mono\")")
- instance = flag.String("i", "write.as", "WriteFreely instance hostname (e.g. pencil.writefree.ly)")
- author = flag.String("u", "", "WriteFreely author username (for multi-user instances)")
- size = flag.String("size", "1024", "Image size, either a single number for a square (e.g. \"900\") or a combined width and height (e.g. \"1080x1920\")")
- )
-
- func main() {
- log.Info("Starting...")
- flag.Parse()
-
- // Validate input
- if !textpic.IsValidFont(*font) {
- log.Info("Invalid font given. Options: \"serif\", \"sans\", \"mono\"")
- os.Exit(1)
- }
- // Parse image dimensions and validate
- var w, h int
- if strings.ContainsRune(*size, 'x') {
- parts := strings.Split(*size, "x")
- if len(parts) != 2 {
- log.Info("Invalid --size given. Must be a single number for a square (e.g. \"900\") or a combined width and height (e.g. \"1080x1920\")")
- os.Exit(1)
- }
- var err error
- w, err = strconv.Atoi(parts[0])
- if err != nil {
- log.Info("Unable to parse --size dimension '%s': %s", parts[0], err)
- os.Exit(1)
- }
- h, err = strconv.Atoi(parts[1])
- if err != nil {
- log.Info("Unable to parse --size dimension '%s': %s", parts[1], err)
- os.Exit(1)
- }
- } else {
- sq, err := strconv.Atoi(*size)
- if err != nil {
- log.Info("Unable to parse --size: %s", err)
- os.Exit(1)
- }
- w = sq
- h = sq
- }
-
- log.Info("Reading input...")
- in, err := ioutil.ReadAll(os.Stdin)
- if err != nil {
- log.Error("read: %s", err)
- os.Exit(1)
- }
-
- log.Info("Generating image...")
- start := time.Now()
- err = textpic.GenerateImage(textpic.NewContentOptions(*instance, *author, false, *font, string(in)), w, h, *outputFile)
- if err != nil {
- log.Error("%s", err)
- os.Exit(1)
- }
- log.Info("Completed in %s", time.Since(start))
- }
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