From d6434c0a1697394eb21b91ba261c60a49d6324fa Mon Sep 17 00:00:00 2001
From: Markus Fleschutz <markus@fleschutz.de>
Date: Wed, 30 Dec 2020 15:40:07 +0000
Subject: [PATCH] Added generate-qrcode.ps1

---
 Data/scripts.csv            |  1 +
 README.md                   |  1 +
 Scripts/generate-qrcode.ps1 | 35 +++++++++++++++++++++++++++++++++++
 3 files changed, 37 insertions(+)
 create mode 100755 Scripts/generate-qrcode.ps1

diff --git a/Data/scripts.csv b/Data/scripts.csv
index fd77bcd6..21b94882 100644
--- a/Data/scripts.csv
+++ b/Data/scripts.csv
@@ -15,6 +15,7 @@ display-time.ps1, displays the current time
 download.ps1, downloads the file/directory from the given URL
 empty-dir.ps1, empties the given directory
 enable-crash-dumps.ps1, enables the writing of crash dumps
+generate-qrcode.ps1, generates a QR code
 inspect-exe.ps1, prints basic information of the given executable file
 list-anagrams.ps1, lists all anagrams of the given word
 list-automatic-variables.ps1, lists PowerShell automatic variables 
diff --git a/README.md b/README.md
index 61ac2259..88c511d4 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,7 @@ The following PowerShell scripts can be found in the [Scripts/](Scripts/) subfol
 * [download.ps1](Scripts/download.ps1) - downloads the file/directory from the given URL
 * [empty-dir.ps1](Scripts/empty-dir.ps1) - empties the given directory
 * [enable-crash-dumps.ps1](Scripts/enable-crash-dumps.ps1) - enables the writing of crash dumps
+* [generate-qrcode.ps1](Scripts/generate-qrcode.ps1) - generates a QR code
 * [inspect-exe.ps1](Scripts/inspect-exe.ps1) - prints basic information of the given executable file
 * [list-anagrams.ps1](Scripts/list-anagrams.ps1) - lists all anagrams of the given word
 * [list-automatic-variables.ps1](Scripts/list-automatic-variables.ps1) - lists PowerShell automatic variables 
diff --git a/Scripts/generate-qrcode.ps1 b/Scripts/generate-qrcode.ps1
new file mode 100755
index 00000000..265a26c2
--- /dev/null
+++ b/Scripts/generate-qrcode.ps1
@@ -0,0 +1,35 @@
+#!/snap/bin/powershell
+<#
+.SYNTAX         ./generate-qrcode.ps1 [<text>] [<image-size>]
+.DESCRIPTION	generates a QR code
+.LINK		https://github.com/fleschutz/PowerShell
+.NOTES		Author:	Markus Fleschutz / License: CC0
+#>
+
+param([string]$Text = "http://www.fleschutz.de", $ImageSize = "500x500")
+if ($Text -eq "") {
+	$Text = read-input "Enter text or URL"
+}
+if ($ImageSize -eq "") {
+	$ImageSize = read-input "Enter image size (e.g. 500x500)"
+}
+$ECC = "L" # can be L, M, Q, H
+$QuietZone = 1
+$ForegroundColor = "000000"
+$BackgroundColor = "ffffff"
+$FileFormat = "jpg"
+$PathToRepo=(get-item $MyInvocation.MyCommand.Path).directory.parent
+$NewFile = "$PathToRepo/Data/qrcode.jpg"
+
+try {
+	$WebClient = new-object System.Net.WebClient
+	$WebClient.DownloadFile(("http://api.qrserver.com/v1/create-qr-code/?data=" + $Text + "&ecc=" + $ECC +`
+		"&size=" + $ImageSize + "&qzone=" + $QuietZone + `
+		"&color=" + $ForegroundColor + "&bgcolor=" + $BackgroundColor.Text + `
+		"&format=" + $FileFormat), $NewFile)
+	write-output "OK - QR code has been written to $NewFile"
+	exit 0
+} catch {
+	write-error "ERROR in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}