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Add Image From Svg Functionality #79

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Add Image From Svg Functionality #79

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37 changes: 37 additions & 0 deletions SharpDocx/DocumentBase.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,11 @@

using System;
using System.Collections.Generic;
using System.Drawing.Imaging;
using System.IO;
using System.Text;
using System.Xml;
using System.Xml.Serialization;
#if SUPPORT_MULTI_THREADING_AND_LARGE_DOCUMENTS_IN_NET35
using System.Threading;
#endif
Expand All @@ -14,6 +18,8 @@
using SharpDocx.Extensions;
using SharpImage;

using Svg;

namespace SharpDocx
{
public abstract class DocumentBase
Expand Down Expand Up @@ -307,6 +313,37 @@ protected void ImageFromUrl(string url, int percentage = 100, string extension =
}
}

protected void ImageFromSvgXml(XmlDocument xml, int pixelWidth, int pixelHeight, int percentage = 100, string extension = null)
{
var svg = SvgDocument.Open(xml);
var svgStream = new MemoryStream();
var bitmap = svg.Draw(pixelWidth, pixelHeight);
bitmap.Save(svgStream, ImageFormat.Png);
ImageFromStream(svgStream, percentage, extension);
}

protected void ImageFromBase64Svg(string base64, int pixelWidth, int pixelHeight, int percentage = 100, string extension = null)
{
ImageFromSvg(Encoding.UTF8.GetString(Convert.FromBase64String(base64)), pixelWidth, pixelHeight, percentage, extension);
}

protected void ImageFromSvg(string svgXmlString, int pixelWidth, int pixelHeight, int percentage = 100, string extension = null)
{
using var svgStream = PngStreamFromSvg(svgXmlString, pixelWidth, pixelHeight);
ImageFromStream(svgStream, percentage, extension);
}

private Stream PngStreamFromSvg(string svgString, int rasterWidth, int rasterHeight)
{
var serializer = new XmlSerializer(typeof(XmlDocument));
var res = serializer.Deserialize(new StringReader(svgString)) as XmlDocument;
var svg = SvgDocument.Open(res);
var svgStream = new MemoryStream();
var bitmap = svg.Draw(rasterWidth, rasterHeight);
bitmap.Save(svgStream, ImageFormat.Png);
return svgStream;
}

protected void ImageFromStream(Stream stream, int percentage = 100, string extension = null)
{
PartTypeInfo imagePartType;
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1 change: 1 addition & 0 deletions SharpDocx/SharpDocx.csproj
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@
</ItemGroup>

<ItemGroup>
<PackageReference Include="Svg" Version="3.4.7" />
<ProjectReference Include="..\SharpImage\SharpImage.csproj" />
<PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="all" />
<PackageReference Include="DocumentFormat.OpenXml" Version="3.0.2" />
Expand Down