Aspose.Slides for .NET 19.3 Release Notes

using(Presentation presentation = new Presentation()) 
{
  IAutoShape shape1 = presentation.Slides[0].Shapes.AddAutoShape(ShapeType.Rectangle, 100, 100, 600, 50, false);
  
  shape1.AddTextFrame("Aspose: File Format APIs");
  shape1.TextFrame.Paragraphs[0].Portions[0].PortionFormat.HyperlinkClick = new Hyperlink("https://www.aspose.com/");
  shape1.TextFrame.Paragraphs[0].Portions[0].PortionFormat.HyperlinkClick.Tooltip = "More than 70% Fortune 100 companies trust Aspose APIs";
  shape1.TextFrame.Paragraphs[0].Portions[0].PortionFormat.FontHeight = 32;

  presentation.Save("presentation-out.pptx", SaveFormat.Pptx);
}

using(Presentation presentation = new Presentation()) 
{
  IAutoShape shape1 = presentation.Slides[0].Shapes.AddAutoShape(ShapeType.Rectangle, 100, 100, 450, 50, false);
  shape1.AddTextFrame("This is a sample of colored hyperlink.");
  shape1.TextFrame.Paragraphs[0].Portions[0].PortionFormat.HyperlinkClick = new Hyperlink("https://www.aspose.com/");
  shape1.TextFrame.Paragraphs[0].Portions[0].PortionFormat.HyperlinkClick.ColorSource = HyperlinkColorSource.PortionFormat;
  shape1.TextFrame.Paragraphs[0].Portions[0].PortionFormat.FillFormat.FillType = FillType.Solid;
  shape1.TextFrame.Paragraphs[0].Portions[0].PortionFormat.FillFormat.SolidFillColor.Color = Color.Red;

  IAutoShape shape2 = presentation.Slides[0].Shapes.AddAutoShape(ShapeType.Rectangle, 100, 200, 450, 50, false);
  shape2.AddTextFrame("This is a sample of usual hyperlink.");
  shape2.TextFrame.Paragraphs[0].Portions[0].PortionFormat.HyperlinkClick = new Hyperlink("https://www.aspose.com/");

  presentation.Save("presentation-out.pptx", SaveFormat.Pptx);
}

/// <summary>
/// Highlight all matches of regular expression in text frame text using specified color.
/// </summary>
/// <param name="regex">Text of regular expression to get text to highlight.</param>
/// <param name="highlightColor">Highlighting color.</param>
/// <param name="options">Highlighting options.</param>
void HighlightRegex(string regex, Color highlightColor, ITextHighlightingOptions options);

Presentation presentation = new Presentation("SomePresentation.pptx");
TextHighlightingOptions options = new TextHighlightingOptions();
((AutoShape) presentation.Slides[0].Shapes[0]).TextFrame.HighlightRegex(@ "\b[^\s]{10,}\b", Color.LightGoldenrodYellow, options); // highlighting all words with 10 symbols or longer
presentation.Save("SomePresentation-out.pptx", SaveFormat.Pptx);

/// <summary>
/// Highlight all matches of sample in text frame text using specified color.
/// </summary>
/// <param name="text">Text sample to highlight.</param>
/// <param name="highlightColor">Highlighting color.</param>
void HighlightText(string text, Color highlightColor);

/// <summary>
/// Highlight all matches of sample in text frame text using specified color.
/// </summary>
/// <param name="text">Text sample to highlight.</param>
/// <param name="highlightColor">Highlighting color.</param>
/// <param name="options">Highlighting options.</param>
void HighlightText(string text, Color highlightColor, ITextHighlightingOptions options);

Presentation presentation = new Presentation("SomePresentation.pptx");
((AutoShape) presentation.Slides[0].Shapes[0]).TextFrame.HighlightText("important", Color.LightBlue); // highlighting all words 'important'
((AutoShape) presentation.Slides[0].Shapes[0]).TextFrame.HighlightText("the", Color.Violet, new TextHighlightingOptions() {
   WholeWordsOnly = true
}); // highlighting all separate 'the' occurrences
presentation.Save("SomePresentation-out.pptx", SaveFormat.Pptx); 

/// <summary>
/// Set true to use case-sensitive search, false - otherwise.
/// </summary>
bool CaseSensitive { get; set; }

/// <summary>
/// Set true to match only whole words, false - otherwise.
/// </summary>
bool WholeWordsOnly { get; set; } 

/// <summary>
/// Original URI of the resource as specified in imported presentation. 
/// </summary>
string OriginalUri { get; }

/// <summary>
/// URI of the resource which is used for downloading if <see cref="IResourceLoadingCallback.ResourceLoading(IResourceLoadingArgs)"/> 
/// returns <see cref="ResourceLoadingAction.Default"/>. 
/// Initially it's set to original URI of the resource, but can be redefined to any value.
/// </summary>
string Uri { get; set; }

/// <summary>
/// Sets user provided data of the resource which used if <see cref="IResourceLoadingCallback.ResourceLoading(IResourceLoadingArgs)"/> 
/// returns <see cref="ResourceLoadingAction.UserProvided"/>. 
/// </summary>
void SetData(byte[] data);

/// <summary>
/// Callback method which regulates external resources loading.
/// </summary>
/// <param name="args">The loading resource data <see cref="IResourceLoadingArgs"/>.</param>
/// <returns>The resource loading decision <see cref="ResourceLoadingAction"/>.</returns>
ResourceLoadingAction ResourceLoading(IResourceLoadingArgs args);

public void LoadPresentation() 
{
  LoadOptions opts = new LoadOptions();
  opts.ResourceLoadingCallback = new ImageLoadingHandler();
  Presentation presentation = new Presentation(path + "presentation.pptx", opts);
}

private class ImageLoadingHandler: IResourceLoadingCallback 
{
  public ResourceLoadingAction ResourceLoading(IResourceLoadingArgs args) 
  {
    if (args.OriginalUri.EndsWith(".jpg")) 
    {
      try // load substitute image
      {
        byte[] imageBytes = File.ReadAllBytes(Path.Combine(path, "aspose-logo.jpg"));
        args.SetData(imageBytes);
        return ResourceLoadingAction.UserProvided;
      } 
	  catch (Exception) 
	  {
        return ResourceLoadingAction.Skip;
      }
    } 
    else if (args.OriginalUri.EndsWith(".png")) 
    {
      // set substitute url
      args.Uri = "http://www.google.com/images/logos/ps_logo2.png";
      return ResourceLoadingAction.Default;
    }
    // skip all other images

	return ResourceLoadingAction.Skip;
  }
}

/// <summary>
/// True to exclude width and height attributes from svg container - that will make layout responsive. False - otherwise.
/// Read/write <see cref="bool"/>.
/// </summary>
bool SvgResponsiveLayout { get; set; }

Presentation presentation = new Presentation("SomePresentation.pptx");
HtmlOptions saveOptions = new HtmlOptions();
saveOptions.SvgResponsiveLayout = true;
presentation.Save("SomePresentation-out.html", SaveFormat.Html, saveOptions);

svg 
{
  position: absolute;
  top: 0;
  left: 0;
}

.slide 
{
  position: relative;
  overflow: hidden;
  padding - top: XXX;
}