Interface IPresentationRenderer

Represents a .Core Renderer engine to convert the slide to image

Namespace: Syncfusion.Presentation

Assembly: Syncfusion.Presentation.Portable.dll

Syntax

public interface IPresentationRenderer

Properties

ExportChartImageOptions

Gets or sets ChartRenderingOptions for charts present in the Word document. By Default ScalingMode is set to Best and ExportImageFormat is set to Jpeg.

Declaration

ChartRenderingOptions ExportChartImageOptions { get; set; }

Property Value

Type	Description
ChartRenderingOptions	If not initialized and specified, Default values Jpeg and Best will be set.

Remarks

Set this property to control the Quality of the charts in the PowerPoint chart to Image and PDF convers.

Examples

This example illustrates AutoDetectComplexScript property of DocIORenderer settings.

//Open a PowerPoint presentation
IPresentation presentation = Presentation.Open("Sample.pptx");
//Initialize the PresentationRenderer
PresentationRenderer renderer = new PresentationRenderer();
renderer.ExportChartImageOptions = new ChartRenderingOptions() { ScalingMode = ScalingMode.Best,ImageFormat = Syncfusion.OfficeChart.ExportImageFormat.Jpeg };
presentation.PresentationRenderer = renderer;
//Gets the first instance of chart from slide
IPresentationChart chart=presentation.Slides[0].Charts[0];
// Converts the chart to image.
Stream image = new FileStream("Sample.png", FileMode.Create, FileAccess.ReadWrite);
renderer.ConvertToImage(chart, image);
//Close the PowerPoint presentation
presentation.Close();

Methods

ConvertToImage(IPresentationChart, Stream)

Converts the chart to image.

Declaration

void ConvertToImage(IPresentationChart chart, Stream outputStream)

Parameters

Type	Name	Description
IPresentationChart	chart	Represent the chart that convert to image
System.IO.Stream	outputStream	Represent the stream

Examples

//Open a PowerPoint presentation
IPresentation presentation = Presentation.Open("Sample.pptx");
//Initialize the PresentationRenderer
presentation.PresentationRenderer = new PresentationRenderer();
//Gets the first instance of chart from slide
IPresentationChart chart=presentation.Slides[0].Charts[0];
// Converts the chart to image.
Stream image = new FileStream("Sample.png", FileMode.Create, FileAccess.ReadWrite);
presentation.PresentationRenderer.ConvertToImage(chart, image);
//Close the PowerPoint presentation
presentation.Close();

ConvertToImage(ISlide, ExportImageFormat)

Converts the slide to image.

Declaration

Stream ConvertToImage(ISlide slide, ExportImageFormat imageFormat)

Parameters

Type	Name	Description
ISlide	slide	Represent the slide that convert to image
ExportImageFormat	imageFormat	Represent the output image format

Returns

Type	Description
System.IO.Stream	Return the converted image stream

Examples

//Open a PowerPoint presentation
IPresentation presentation = Presentation.Open("Sample.pptx");
//Convert the slides to images
Stream stream = presentation.Slides[0].ConvertToImage(presentation.Slides[0], ExportImageFormat.Jpeg);
//Close the PowerPoint presentation
presentation.Close();

'Open a PowerPoint presentation
Dim presentation__1 As IPresentation = Presentation.Open("Sample.pptx")
'Convert the slides to images
Dim stream As Stream = presentation__1.Slides(0).ConvertToImage(presentation.Slides(0), ExportImageFormat.Jpeg)
'Close the PowerPoint presentation
presentation__1.Close()