From 08b2ef9d71f438ff7de2923673340d1f8cc3c0ea Mon Sep 17 00:00:00 2001
From: Shane32 <shane@acdmail.com>
Date: Tue, 2 Apr 2024 18:30:17 -0400
Subject: [PATCH] Update PostscriptQRCode so it runs on Linux

---
 QRCoder/PostscriptQRCode.cs                   |  9 +-
 QRCoderTests/PostscriptQRCodeRendererTests.cs | 91 +++++++++++++++++++
 2 files changed, 92 insertions(+), 8 deletions(-)
 create mode 100644 QRCoderTests/PostscriptQRCodeRendererTests.cs

diff --git a/QRCoder/PostscriptQRCode.cs b/QRCoder/PostscriptQRCode.cs
index 710551d1..d0484a9b 100644
--- a/QRCoder/PostscriptQRCode.cs
+++ b/QRCoder/PostscriptQRCode.cs
@@ -1,4 +1,4 @@
-#if NETFRAMEWORK || NETSTANDARD2_0 || NET5_0 || NET6_0_WINDOWS
+#if !NETSTANDARD1_3
 using System;
 using System.Drawing;
 using static QRCoder.QRCodeGenerator;
@@ -6,9 +6,6 @@
 namespace QRCoder
 {
 
-#if NET6_0_WINDOWS
-    [System.Runtime.Versioning.SupportedOSPlatform("windows")]
-#endif
     public class PostscriptQRCode : AbstractQRCode, IDisposable
     {
         /// <summary>
@@ -143,9 +140,6 @@ sc sc scale
 ";
     }
 
-#if NET6_0_WINDOWS
-    [System.Runtime.Versioning.SupportedOSPlatform("windows")]
-#endif
     public static class PostscriptQRCodeHelper
     {
         public static string GetQRCode(string plainText, int pointsPerModule, string darkColorHex, string lightColorHex, ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false, EciMode eciMode = EciMode.Default, int requestedVersion = -1, bool drawQuietZones = true, bool epsFormat = false)
@@ -157,5 +151,4 @@ public static string GetQRCode(string plainText, int pointsPerModule, string dar
         }
     }
 }
-
 #endif
\ No newline at end of file
diff --git a/QRCoderTests/PostscriptQRCodeRendererTests.cs b/QRCoderTests/PostscriptQRCodeRendererTests.cs
new file mode 100644
index 00000000..a71db527
--- /dev/null
+++ b/QRCoderTests/PostscriptQRCodeRendererTests.cs
@@ -0,0 +1,91 @@
+#if !NETCOREAPP1_1
+using QRCoder;
+using QRCoderTests.Helpers;
+using QRCoderTests.Helpers.XUnitExtenstions;
+using Shouldly;
+using System;
+using System.Drawing;
+using System.IO;
+using System.Text.RegularExpressions;
+using Xunit;
+
+namespace QRCoderTests
+{
+    public class PostscriptQRCodeRendererTests
+    {
+        [Fact]
+        [Category("QRRenderer/PostscriptQRCode")]
+        public void can_render_postscript_qrcode_simple()
+        {
+            //Create QR code
+            var gen = new QRCodeGenerator();
+            var data = gen.CreateQrCode("This is a quick test! 123#?", QRCodeGenerator.ECCLevel.L);
+            var ps = new PostscriptQRCode(data).GetGraphic(5);
+
+            var result = HelperFunctions.StringToHash(RemoveCreationDate(ps));
+            result.ShouldBe("06b90d1e64bf022a248453e5f91101a0");
+        }
+
+        [Fact]
+        [Category("QRRenderer/PostscriptQRCode")]
+        public void can_render_postscript_qrcode_eps()
+        {
+            //Create QR code
+            var gen = new QRCodeGenerator();
+            var data = gen.CreateQrCode("This is a quick test! 123#?", QRCodeGenerator.ECCLevel.L);
+            var ps = new PostscriptQRCode(data).GetGraphic(5, true);
+
+            var result = HelperFunctions.StringToHash(RemoveCreationDate(ps));
+            result.ShouldBe("50f6152cdb0b685595d80e7888712d3b");
+        }
+
+        [Fact]
+        [Category("QRRenderer/PostscriptQRCode")]
+        public void can_render_postscript_qrcode_size()
+        {
+            //Create QR code
+            var gen = new QRCodeGenerator();
+            var data = gen.CreateQrCode("This is a quick test! 123#?", QRCodeGenerator.ECCLevel.L);
+            var ps = new PostscriptQRCode(data).GetGraphic(new Size(33, 33));
+
+            var result = HelperFunctions.StringToHash(RemoveCreationDate(ps));
+            result.ShouldBe("49c7faaafef312eb4b6ea1fec195e63d");
+        }
+
+        [Fact]
+        [Category("QRRenderer/PostscriptQRCode")]
+        public void can_render_postscript_qrcode_size_no_quiet_zones()
+        {
+            //Create QR code
+            var gen = new QRCodeGenerator();
+            var data = gen.CreateQrCode("This is a quick test! 123#?", QRCodeGenerator.ECCLevel.L);
+            var ps = new PostscriptQRCode(data).GetGraphic(new Size(50, 50), false);
+
+            var result = HelperFunctions.StringToHash(RemoveCreationDate(ps));
+            result.ShouldBe("9bfa0468e125d9815a39902133a10762");
+        }
+
+        [Fact]
+        [Category("QRRenderer/PostscriptQRCode")]
+        public void can_render_postscript_qrcode_colors()
+        {
+            //Create QR code
+            var gen = new QRCodeGenerator();
+            var data = gen.CreateQrCode("This is a quick test! 123#?", QRCodeGenerator.ECCLevel.L);
+            var ps = new PostscriptQRCode(data).GetGraphic(5, Color.Red, Color.Blue);
+
+            var result = HelperFunctions.StringToHash(RemoveCreationDate(ps));
+            result.ShouldBe("2e001d7f67a446eb1b5df32ff5321808");
+        }
+
+        private static string RemoveCreationDate(string text)
+        {
+            // Regex pattern to match lines that start with %%CreationDate: followed by any characters until the end of the line
+            string pattern = @"%%CreationDate:.*\r?\n?";
+
+            // Use Regex.Replace to remove matching lines
+            return Regex.Replace(text, pattern, string.Empty, RegexOptions.Multiline);
+        }
+    }
+}
+#endif
\ No newline at end of file