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Added Supported Fallback content on DocIO and PPTX
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‎Document-Processing/PowerPoint/Conversions/PowerPoint-To-Image/NET/Fallback-Fonts-in-PPTXtoImage-Conversion.md‎

Lines changed: 42 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -103,6 +103,45 @@ using (FileStream fileStreamInput = new FileStream("Template.pptx", FileMode.Ope
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You can download a complete working sample from [GitHub](https://github.com/SyncfusionExamples/PowerPoint-Examples/tree/master/PPTX-to-Image-conversion/Fallback-fonts-based-on-scripttype).
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## Fallback Symbols based on script type
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The following code example demonstrates how a user can add fallback fonts based on the script types, which Presentation considers internally when converting a PowerPoint presentation to an Image.
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{% tabs %}
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{% highlight C# tabtitle="C# [Cross-platform]" %}
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//Load the PowerPoint presentation into stream.
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using (FileStream fileStreamInput = new FileStream("Template.pptx", FileMode.Open, FileAccess.Read))
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{
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//Open the existing PowerPoint presentation with loaded stream.
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using (IPresentation pptxDoc = Presentation.Open(fileStreamInput))
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{
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//Adds fallback font for basic symbols like bullet characters.
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pptxDoc.FontSettings.FallbackFonts.Add(ScriptType.Symbols, "Segoe UI Symbol, Arial Unicode MS, Wingdings");
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//Adds fallback font for mathematics symbols.
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pptxDoc.FontSettings.FallbackFonts.Add(ScriptType.Mathematics, "Cambria Math, Noto Sans Math, Segoe UI Symbol, Arial Unicode MS");
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//Adds fallback font for emojis.
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pptxDoc.FontSettings.FallbackFonts.Add(ScriptType.Emoji, "Segoe UI Emoji, Noto Color Emoji, Arial Unicode MS");
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//Initialize the PresentationRenderer to perform image conversion.
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pptxDoc.PresentationRenderer = new PresentationRenderer();
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//Convert PowerPoint slide to image as stream.
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using (Stream stream = pptxDoc.Slides[0].ConvertToImage(ExportImageFormat.Jpeg))
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{
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//Reset the stream position.
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stream.Position = 0;
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//Create the output image file stream.
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using (FileStream fileStreamOutput = File.Create("Output.jpg"))
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{
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//Copy the converted image stream into created output stream.
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stream.CopyTo(fileStreamOutput);
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}
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}
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}
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}
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{% endhighlight %}
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{% endtabs %}
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## Fallback fonts for range of Unicode text
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Users can set fallback fonts for specific Unicode range of text to be used in Presentation to Image conversion.
@@ -500,8 +539,9 @@ Malgun Gothic, Batang
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<tr>
501540
<td>Symbols</td>
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<td>0x2000 - 0x27BF<br>
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0x2300 - 0x23FF</td>
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<td>Segoe UI Symbol, Arial Unicode MS</td>
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0x2300 - 0x23FF<br>
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0xF000 - 0xF104</td>
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<td>Segoe UI Symbol, Arial Unicode MS, Wingdings</td>
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</tr>
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<tr>
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<td>Mathematics</td>

‎Document-Processing/PowerPoint/Conversions/PowerPoint-To-PDF/NET/Fallback-Fonts-in-PPTXtoPDF-Conversion.md‎

Lines changed: 91 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -210,6 +210,94 @@ pptxDoc.Close()
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You can download a complete working sample from [GitHub](https://github.com/SyncfusionExamples/PowerPoint-Examples/tree/master/PPTX-to-PDF-conversion/Fallback-fonts-based-on-scripttype).
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## Fallback Symbols based on script type
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The following code example demonstrates how a user can add fallback fonts based on the script types, which Presentation considers internally when converting a PowerPoint presentation to PDF.
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{% tabs %}
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{% highlight C# tabtitle="C# [Cross-platform]" %}
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//Load the PowerPoint presentation into stream.
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using (FileStream fileStreamInput = new FileStream("Template.pptx", FileMode.Open, FileAccess.Read))
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{
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//Open the existing PowerPoint presentation with loaded stream.
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using (IPresentation pptxDoc = Presentation.Open(fileStreamInput))
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{
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//Adds fallback font for basic symbols like bullet characters.
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pptxDoc.FontSettings.FallbackFonts.Add(ScriptType.Symbols, "Segoe UI Symbol, Arial Unicode MS, Wingdings");
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//Adds fallback font for mathematics symbols.
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pptxDoc.FontSettings.FallbackFonts.Add(ScriptType.Mathematics, "Cambria Math, Noto Sans Math, Segoe UI Symbol, Arial Unicode MS");
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//Adds fallback font for emojis.
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pptxDoc.FontSettings.FallbackFonts.Add(ScriptType.Emoji, "Segoe UI Emoji, Noto Color Emoji, Arial Unicode MS");
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//Create the MemoryStream to save the converted PDF.
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using (MemoryStream pdfStream = new MemoryStream())
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{
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//Convert the PowerPoint document to PDF document.
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using (PdfDocument pdfDocument = PresentationToPdfConverter.Convert(pptxDoc))
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{
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//Save the converted PDF document to MemoryStream.
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pdfDocument.Save(pdfStream);
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pdfStream.Position = 0;
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}
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//Create the output PDF file stream.
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using (FileStream fileStreamOutput = File.Create("Output.pdf"))
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{
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//Copy the converted PDF stream into created output PDF stream.
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pdfStream.CopyTo(fileStreamOutput);
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}
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}
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}
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}
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{% endhighlight %}
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{% highlight C# tabtitle="C# [Windows-specific]" %}
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//Opens a PowerPoint Presentation.
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IPresentation pptxDoc = Presentation.Open("Sample.pptx");
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//Initialize the conversion settings.
257+
PresentationToPdfConverterSettings pdfConverterSettings = new PresentationToPdfConverterSettings();
258+
//Enable the portable rendering.
259+
pdfConverterSettings.EnablePortableRendering = true;
260+
//Adds fallback font for basic symbols like bullet characters.
261+
pptxDoc.FontSettings.FallbackFonts.Add(ScriptType.Symbols, "Segoe UI Symbol, Arial Unicode MS, Wingdings");
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//Adds fallback font for mathematics symbols.
263+
pptxDoc.FontSettings.FallbackFonts.Add(ScriptType.Mathematics, "Cambria Math, Noto Sans Math, Segoe UI Symbol, Arial Unicode MS");
264+
//Adds fallback font for emojis.
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pptxDoc.FontSettings.FallbackFonts.Add(ScriptType.Emoji, "Segoe UI Emoji, Noto Color Emoji, Arial Unicode MS");
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//Converts the PowerPoint Presentation into PDF document with Portable rendering option.
267+
PdfDocument pdfDocument = PresentationToPdfConverter.Convert(pptxDoc);
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//Saves the PDF document.
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pdfDocument.Save("Sample.pdf");
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//Closes the PDF document.
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pdfDocument.Close(true);
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//Closes the Presentation.
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pptxDoc.Close();
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{% endhighlight %}
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{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}
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'Opens a PowerPoint Presentation.
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Dim pptxDoc As IPresentation = Presentation.Open("Sample.pptx")
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'Initialize the conversion settings.
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Dim pdfConverterSettings As PresentationToPdfConverterSettings = new PresentationToPdfConverterSettings()
281+
'Enable the portable rendering.
282+
pdfConverterSettings.EnablePortableRendering = true
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'Adds fallback font for basic symbols Like bullet characters.
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pptxDoc.FontSettings.FallbackFonts.Add(ScriptType.Symbols, "Segoe UI Symbol, Arial Unicode MS, Wingdings")
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'Adds fallback font for mathematics symbols.
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pptxDoc.FontSettings.FallbackFonts.Add(ScriptType.Mathematics, "Cambria Math, Noto Sans Math, Segoe UI Symbol, Arial Unicode MS")
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'Adds fallback font for emojis.
288+
pptxDoc.FontSettings.FallbackFonts.Add(ScriptType.Emoji, "Segoe UI Emoji, Noto Color Emoji, Arial Unicode MS")
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'Converts the PowerPoint Presentation into PDF document.
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Dim pdfDocument As PdfDocument = PresentationToPdfConverter.Convert(pptxDoc)
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'Saves the PDF document.
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pdfDocument.Save("Sample.pdf")
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'Closes the PDF document.
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pdfDocument.Close(True)
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'Closes the Presentation.
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pptxDoc.Close()
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{% endhighlight %}
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{% endtabs %}
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213301
## Fallback fonts for range of Unicode text
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215303
Users can set fallback fonts for specific Unicode range of text to be used in presentation to PDF conversion.
@@ -726,8 +814,9 @@ Malgun Gothic, Batang
726814
<tr>
727815
<td>Symbols</td>
728816
<td>0x2000 - 0x27BF<br>
729-
0x2300 - 0x23FF</td>
730-
<td>Segoe UI Symbol, Arial Unicode MS</td>
817+
0x2300 - 0x23FF<br>
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0xF000 - 0xF104</td>
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<td>Segoe UI Symbol, Arial Unicode MS, Wingdings</td>
731820
</tr>
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<tr>
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<td>Mathematics</td>

‎Document-Processing/Word/Conversions/Word-To-Image/NET/Fallback-fonts-word-to-image.md‎

Lines changed: 46 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -111,6 +111,49 @@ using (FileStream inputStream = new FileStream("Template.docx", FileMode.Open, F
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You can download a complete working sample from [GitHub](https://github.com/SyncfusionExamples/DocIO-Examples/tree/main/Word-to-Image-conversion/Fallback-fonts-based-on-scripttype).
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## Fallback Symbols based on script type
115+
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The following code example demonstrates how a user can add fallback fonts based on the script types, which DocIO considers internally when converting a Word document to image.
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{% tabs %}
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{% highlight c# tabtitle="C# [Cross-platform]" %}
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//Opens the file as stream.
122+
using (FileStream inputStream = new FileStream("Template.docx", FileMode.Open, FileAccess.Read))
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{
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//Loads an existing Word document file stream.
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using (WordDocument wordDocument = new WordDocument(inputStream, Syncfusion.DocIO.FormatType.Docx))
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{
127+
//Adds fallback font for basic symbols like bullet characters.
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wordDocument.FontSettings.FallbackFonts.Add(ScriptType.Symbols, "Segoe UI Symbol, Arial Unicode MS, Wingdings");
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//Adds fallback font for mathematics symbols.
130+
wordDocument.FontSettings.FallbackFonts.Add(ScriptType.Mathematics, "Cambria Math, Noto Sans Math, Segoe UI Symbol, Arial Unicode MS");
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//Adds fallback font for emojis.
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wordDocument.FontSettings.FallbackFonts.Add(ScriptType.Emoji, "Segoe UI Emoji, Noto Color Emoji, Arial Unicode MS");
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//Instantiation of DocIORenderer for Word to image conversion.
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using (DocIORenderer render = new DocIORenderer())
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{
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//Convert the entire Word document to images.
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Stream[] imageStreams = wordDocument.RenderAsImages();
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int i = 0;
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foreach (Stream stream in imageStreams)
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{
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//Reset the stream position.
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stream.Position = 0;
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//Save the stream as file.
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using (FileStream fileStreamOutput = File.Create("WordToImage_" + i + ".jpeg"))
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{
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stream.CopyTo(fileStreamOutput);
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}
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i++;
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}
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}
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}
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}
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{% endhighlight %}
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{% endtabs %}
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## Fallback fonts for range of Unicode text
115158

116159
Users can set fallback fonts for specific Unicode range of text to be used in Word to Image conversion.
@@ -518,8 +561,9 @@ Malgun Gothic, Batang
518561
<tr>
519562
<td>Symbols</td>
520563
<td>0x2000 - 0x27BF<br>
521-
0x2300 - 0x23FF</td>
522-
<td>Segoe UI Symbol, Arial Unicode MS</td>
564+
0x2300 - 0x23FF<br>
565+
0xF000 - 0xF104</td>
566+
<td>Segoe UI Symbol, Arial Unicode MS, Wingdings</td>
523567
</tr>
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<tr>
525569
<td>Mathematics</td>

‎Document-Processing/Word/Conversions/Word-To-PDF/NET/Fallback-fonts-word-to-pdf.md‎

Lines changed: 6 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -209,7 +209,7 @@ using (FileStream inputStream = new FileStream("Template.docx", FileMode.Open, F
209209
using (WordDocument wordDocument = new WordDocument(inputStream, Syncfusion.DocIO.FormatType.Docx))
210210
{
211211
//Adds fallback font for basic symbols like bullet characters.
212-
wordDocument.FontSettings.FallbackFonts.Add(ScriptType.Symbols, "Segoe UI Symbol, Arial Unicode MS");
212+
wordDocument.FontSettings.FallbackFonts.Add(ScriptType.Symbols, "Segoe UI Symbol, Arial Unicode MS, Wingdings");
213213
//Adds fallback font for mathematics symbols.
214214
wordDocument.FontSettings.FallbackFonts.Add(ScriptType.Mathematics, "Cambria Math, Noto Sans Math, Segoe UI Symbol, Arial Unicode MS");
215215
//Adds fallback font for emojis.
@@ -236,7 +236,7 @@ using (FileStream inputStream = new FileStream("Template.docx", FileMode.Open, F
236236
using (WordDocument wordDocument = new WordDocument("Template.docx", Syncfusion.DocIO.FormatType.Docx))
237237
{
238238
//Adds fallback font for basic symbols like bullet characters.
239-
wordDocument.FontSettings.FallbackFonts.Add(ScriptType.Symbols, "Segoe UI Symbol, Arial Unicode MS");
239+
wordDocument.FontSettings.FallbackFonts.Add(ScriptType.Symbols, "Segoe UI Symbol, Arial Unicode MS, Wingdings");
240240
//Adds fallback font for mathematics symbols.
241241
wordDocument.FontSettings.FallbackFonts.Add(ScriptType.Mathematics, "Cambria Math, Noto Sans Math, Segoe UI Symbol, Arial Unicode MS");
242242
//Adds fallback font for emojis.
@@ -258,7 +258,7 @@ using (WordDocument wordDocument = new WordDocument("Template.docx", Syncfusion.
258258
'Loads an existing Word document.
259259
Using wordDocument As WordDocument = New WordDocument("Template.docx", FormatType.Docx)
260260
'Adds fallback font for basic symbols Like bullet characters.
261-
wordDocument.FontSettings.FallbackFonts.Add(ScriptType.Symbols, "Segoe UI Symbol, Arial Unicode MS")
261+
wordDocument.FontSettings.FallbackFonts.Add(ScriptType.Symbols, "Segoe UI Symbol, Arial Unicode MS, Wingdings")
262262
'Adds fallback font for mathematics symbols.
263263
wordDocument.FontSettings.FallbackFonts.Add(ScriptType.Mathematics, "Cambria Math, Noto Sans Math, Segoe UI Symbol, Arial Unicode MS")
264264
'Adds fallback font for emojis.
@@ -789,8 +789,9 @@ Malgun Gothic, Batang
789789
<tr>
790790
<td>Symbols</td>
791791
<td>0x2000 - 0x27BF<br>
792-
0x2300 - 0x23FF</td>
793-
<td>Segoe UI Symbol, Arial Unicode MS</td>
792+
0x2300 - 0x23FF<br>
793+
0xF000 - 0xF104</td>
794+
<td>Segoe UI Symbol, Arial Unicode MS, Wingdings</td>
794795
</tr>
795796
<tr>
796797
<td>Mathematics</td>

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