Converter and direct BASE64 files

2023-11-17 04:31:38 +01:00
parent 8269718126
commit c693c96100
6 changed files with 178 additions and 8 deletions
@@ -0,0 +1,113 @@
+using Docnet.Core.Models;
+using Docnet.Core.Readers;
+using Docnet.Core;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.Runtime.InteropServices;
+using Docnet.Core.Exceptions;
+
+#region Main Code
+
+if (args.Length == 0)
+{
+    Console.WriteLine("No PDF specified");
+    return 1;
+}
+
+Console.WriteLine($"Conversion for {args[0]}");
+Console.WriteLine("Using configuration");
+Console.WriteLine("\tA4 at 96dpi");
+Console.WriteLine();
+return ReadPDF(args[0]);
+
+#endregion
+
+#region Functions
+
+int ReadPDF(string path)
+{
+    string outPath = "";
+    try
+    {
+        outPath = Path.GetFileNameWithoutExtension(path);
+        Directory.CreateDirectory(outPath);
+    } catch (Exception e)
+    {
+        Console.Error.WriteLine("Error creating file directory");
+        Console.Error.WriteLine(e.Message);
+        Console.ReadKey();
+        return 2;
+    }
+
+    try
+    {
+        using (IDocReader docReader = DocLib.Instance.GetDocReader(path, new PageDimensions(794, 1122)))
+        {
+            int pages = docReader.GetPageCount();
+            Console.WriteLine($"Converting {pages} pages");
+
+            for (int i = 0; i < pages; i++)
+            {
+                using (IPageReader pageReader = docReader.GetPageReader(i))
+                {
+                    byte[] rawBytes = pageReader.GetImage();
+                    int width = pageReader.GetPageWidth();
+                    int height = pageReader.GetPageHeight();
+
+                    using (Bitmap doc = new Bitmap(width, height, PixelFormat.Format32bppArgb))
+                    using (Bitmap bmp = new Bitmap(width, height, PixelFormat.Format32bppArgb))
+                    {
+                        AddBytes(bmp, rawBytes);
+
+                        Graphics g = Graphics.FromImage(doc);
+                        g.FillRegion(Brushes.White, new Region(new Rectangle(0, 0, width, height)));
+                        g.DrawImage(bmp, new Point(0, 0));
+                        g.Save();
+
+                        if (i == 0)
+                        {
+                            Bitmap thumb = new Bitmap(doc, new Size(doc.Width / 10, doc.Height / 10));
+                            using (MemoryStream stream = new MemoryStream())
+                            {
+                                //saving and exporting
+                                thumb.Save(stream, ImageFormat.Jpeg);
+                                Console.WriteLine($"Ouputing tumbnail");
+                                File.WriteAllText($"{outPath}\\thumb.bjpg", Convert.ToBase64String(stream.ToArray()));
+                            };
+                        }
+
+                        using (MemoryStream stream = new MemoryStream())
+                        {
+                            //saving and exporting
+                            doc.Save(stream, ImageFormat.Jpeg);
+                            Console.WriteLine($"Ouputing page {i + 1}");
+                            File.WriteAllText($"{outPath}\\{i + 1}.bjpg", Convert.ToBase64String(stream.ToArray()));
+                        };
+                    };
+                };
+            };
+        }
+    }
+    catch(DocnetLoadDocumentException)
+    {
+        Console.Error.WriteLine("File is not a PDF");
+        Console.ReadKey();
+        return 3;
+    }
+
+    Console.ReadKey();
+    return 0;
+}
+
+void AddBytes(Bitmap bmp, byte[] rawBytes)
+{
+    Rectangle rect = new Rectangle(0, 0, bmp.Width, bmp.Height);
+
+    BitmapData bmpData = bmp.LockBits(rect, ImageLockMode.WriteOnly, bmp.PixelFormat);
+    nint pNative = bmpData.Scan0;
+
+    Marshal.Copy(rawBytes, 0, pNative, rawBytes.Length);
+    bmp.UnlockBits(bmpData);
+}
+
+#endregion
@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0-windows</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPublishable>False</IsPublishable>
+    <Trimming>full</Trimming>
+    <EnforceCodeStyleInBuild>True</EnforceCodeStyleInBuild>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
+    <WarningLevel>9999</WarningLevel>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
+    <WarningLevel>9999</WarningLevel>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Docnet.Core" Version="2.6.0" />
+    <PackageReference Include="System.Drawing.Common" Version="8.0.0" />
+  </ItemGroup>
+
+</Project>
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34309.116
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "converter", "converter.csproj", "{F7DD439C-CE05-4E1B-AD8F-1D66BAB2C132}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{F7DD439C-CE05-4E1B-AD8F-1D66BAB2C132}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F7DD439C-CE05-4E1B-AD8F-1D66BAB2C132}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F7DD439C-CE05-4E1B-AD8F-1D66BAB2C132}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F7DD439C-CE05-4E1B-AD8F-1D66BAB2C132}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {D95A0B4E-6516-4CBE-84E0-5FF1068CEF60}
+	EndGlobalSection
+EndGlobal