Merge pull request #511 from SyncfusionExamples/963169-EMF

963169-How to convert EMF images to PNG in a Word document using MetafileRenderer

Author: MathanKumarVaradhaRajaPerumal

HTML-conversions/Convert_EMF-images_to_PNG_in_Word-document/.NET/Convert_EMF-images_to_PNG_in_Word-document.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36908.2 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Convert_EMF-images_to_PNG_in_Word-document", "Convert_EMF-images_to_PNG_in_Word-document\Convert_EMF-images_to_PNG_in_Word-document.csproj", "{0FB638DB-2793-4FB6-B1B3-18F786EA8EF5}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{0FB638DB-2793-4FB6-B1B3-18F786EA8EF5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0FB638DB-2793-4FB6-B1B3-18F786EA8EF5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0FB638DB-2793-4FB6-B1B3-18F786EA8EF5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0FB638DB-2793-4FB6-B1B3-18F786EA8EF5}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {3AC4FA9F-473F-4350-B422-A0C4691A8EA6}
+	EndGlobalSection
+EndGlobal

HTML-conversions/Convert_EMF-images_to_PNG_in_Word-document/.NET/Convert_EMF-images_to_PNG_in_Word-document/Convert_EMF-images_to_PNG_in_Word-document.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Convert_EMF_images_to_PNG_in_Word_document</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.DocIO.Net.Core" Version="*" />
+    <PackageReference Include="Syncfusion.MetafileRenderer.Net.Core" Version="*" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Update="Data\Input.docx">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="Output\.gitkeep">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+</Project>

HTML-conversions/Convert_EMF-images_to_PNG_in_Word-document/.NET/Convert_EMF-images_to_PNG_in_Word-document/Data/Input.docx

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+

HTML-conversions/Convert_EMF-images_to_PNG_in_Word-document/.NET/Convert_EMF-images_to_PNG_in_Word-document/Output/Result.html

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+using SkiaSharp;
+using Syncfusion.DocIO;
+using Syncfusion.DocIO.DLS;
+using Syncfusion.Drawing;
+using Syncfusion.Metafile;
+
+
+
+using (FileStream inputStream = new FileStream(Path.GetFullPath(@"Data/Input.docx", FileMode.Open, FileAccess.ReadWrite))
+{
+    // Opens an input Word template.
+    using (WordDocument document = new WordDocument(inputStream, FormatType.Docx))
+    {
+        // Find all picture in the document.
+        List<Entity> images = document.FindAllItemsByProperty(EntityType.Picture, null, null);
+        // Iterate through each image in the document.
+        foreach (Entity entity in images)
+        {
+            WPicture picture = entity as WPicture;
+            float width = picture.Width;
+            float height = picture.Height;
+
+            // Convert the image bytes into a memory stream.
+            MemoryStream stream = new MemoryStream(picture.ImageBytes);
+            // Create an Image object from the memory stream.
+            Image image = Image.FromStream(stream);
+            // Check if the image format is EMF.
+            if (image.RawFormat.Equals(ImageFormat.Emf))
+            {
+                MemoryStream imageByteStream = new MemoryStream(picture.ImageBytes);
+                //Create a new instance for the MetafileRenderer
+                MetafileRenderer renderer = new MetafileRenderer();
+                //Convert the Metafile to SKBitmap Image.
+                SKBitmap skBitmap = renderer.ConvertToImage(imageByteStream);
+                //Save the image as stream
+                using (SKImage skImage = SKImage.FromBitmap(skBitmap))
+                using (SKData data = skImage.Encode(SKEncodedImageFormat.Png, 100))
+
+                using (MemoryStream pngStream = new MemoryStream())
+                {
+                    data.SaveTo(pngStream);
+                    pngStream.Position = 0;
+                    picture.LoadImage(pngStream);
+                    picture.Height = height;
+                    picture.Width = width;
+                }
+            }
+        }
+        // Save the modified document to the specified output file.
+        using (FileStream outputStream = new FileStream(Path.GetFullPath(@"Output/Result.html"), FileMode.Create, FileAccess.Write))
+        {
+            document.Save(outputStream, FormatType.Html);
+        }
+    }
+}
+
+