100 lines
2.6 KiB
Go
100 lines
2.6 KiB
Go
/*
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* Copyright © 2020 Gytis Repečka (gytis@repecka.com)
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*
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* This file is part of webimg.
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*
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* webimg is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, included
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* in the LICENSE file in this source code package.
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*/
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package main
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import (
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"code.gyt.is/webimg"
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"flag"
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"fmt"
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"log"
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"os"
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"time"
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)
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func main() {
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// webimg.PrintHello()
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// Set some parameters
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timestampLayout := "2006-01-02 15:04:05.000 (MST Z07:00)"
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currentTime := time.Now()
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// Logging
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logFile, err := os.OpenFile("webimg.log", os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644)
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if err != nil {
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log.Fatal(err)
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}
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defer logFile.Close()
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log.SetOutput(logFile)
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// Log beginning of program
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log.Printf("Started webimg: %s.\n", currentTime.Format(timestampLayout))
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cmdLineArgs := os.Args
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/*
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Subcommands
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Args[0] - executable path;
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Args[1] - subcommand.
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*/
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// Main subcommands
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watermarkCommand := flag.NewFlagSet("watermark", flag.ExitOnError)
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// Subcommand "watermark" flag pointers
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watermarkImagePtr := watermarkCommand.String("image", "", "Path to image (JPG) file to watermark.")
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// General options usable with other commands
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outputVersion := flag.Bool("v", false, "Output the current version")
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outputHelp := flag.Bool("h", false, "Show help information")
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flag.Parse()
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if *outputVersion {
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webimg.OutputVersion()
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os.Exit(0)
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} else if *outputHelp {
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fmt.Println("General commands:")
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flag.PrintDefaults()
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fmt.Println("Watermark commands:")
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watermarkCommand.PrintDefaults()
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// Check if subcommand (watermark) was provided
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} else if len(cmdLineArgs) >= 2 {
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// Switch based on subcommand
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switch cmdLineArgs[1] {
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case "watermark":
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watermarkCommand.Parse(cmdLineArgs[2:])
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if *watermarkImagePtr != "" {
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imageToWatermark := fmt.Sprintf("%s", *watermarkImagePtr)
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fmt.Printf("Image to watermark: %s\n", imageToWatermark)
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// Input image, watermark image, result image, bottom-right offset X, bottom-right offset Y, watermark alpha
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doWatermark := webimg.Watermark(imageToWatermark, "watermark_inretio-logo.png", "result_img.jpg", 30, 30, 70)
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if doWatermark != nil {
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fmt.Println("There was an error watermarking image...")
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}
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} else {
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fmt.Println("No image given to watermark!")
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}
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default:
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fmt.Println("Wrong subcommand provided!")
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}
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} else {
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fmt.Println("No work given. Holiday time!")
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}
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// Log end of program
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// time.Sleep(2 * time.Second)
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currentTime = time.Now()
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log.Printf("Finished webimg: %s.\n", currentTime.Format(timestampLayout))
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log.Println("--------------------")
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}
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