GetThumbnail()

Slide::GetThumbnail(float, float) method

Returns a Thumbnail Bitmap object with custom scaling.

System::SharedPtr<System::Drawing::Bitmap> Aspose::Slides::Slide::GetThumbnail(float scaleX, float scaleY) override

Arguments

Parameter	Type	Description
scaleX	float	The value by which to scale this Thumbnail in the x-axis direction.
scaleY	float	The value by which to scale this Thumbnail in the y-axis direction.

Return Value

Bitmap object.

Remarks

Deprecated

Use GetImage(float scaleX, float scaleY) method instead. The method will be removed after release of version 24.7.

The following example shows how to generate thumbnails from PowerPoint Presentation.

auto pres = System::MakeObject<Presentation>(u"ThumbnailFromSlide.pptx");

// Access the first slide
auto slide = pres->get_Slides()->idx_get(0);
// Create a full scale image
System::SharedPtr<System::Drawing::Bitmap> bmp = slide->GetThumbnail(1.0f, 1.0f);
// Save the image to disk in JPEG format
bmp->Save(u"Thumbnail_out.jpg", System::Drawing::Imaging::ImageFormat::get_Jpeg());

The following example shows how to converting slides to bitmap and saving the images in PNG.

auto pres = System::MakeObject<Presentation>(u"Presentation.pptx");

// Converts the first slide in the presentation to a Bitmap object
System::SharedPtr<System::Drawing::Bitmap> bmp = pres->get_Slides()->idx_get(0)->GetThumbnail();

// Saves the image in the PNG format
bmp->Save(u"Slide_0.png", System::Drawing::Imaging::ImageFormat::get_Png());

The following example shows how to convert PowerPoint PPT/PPTX to JPG.

auto pres = System::MakeObject<Presentation>(u"PowerPoint-Presentation.ppt");

for (auto&& slide : pres->get_Slides())
{
    // Create a full scale image
    System::SharedPtr<System::Drawing::Bitmap> bmp = slide->GetThumbnail(1.0f, 1.0f);
    // Save the image to disk in JPEG format
    bmp->Save(System::String::Format(u"Slide_{0}.jpg", slide->get_SlideNumber()),
              System::Drawing::Imaging::ImageFormat::get_Jpeg());
}

The following example shows how to convert PowerPoint PPT/PPTX to JPG with customized dimensions.

auto pres = System::MakeObject<Presentation>(u"PowerPoint-Presentation.pptx");

// Define dimensions
int32_t desiredX = 1200;
int32_t desiredY = 800;
// Get scaled values of X and Y
auto size = pres->get_SlideSize()->get_Size();
float scaleX = (float)(1.0 / size.get_Width()) * desiredX;
float scaleY = (float)(1.0 / size.get_Height()) * desiredY;
for (auto&& slide : System::IterateOver(pres->get_Slides()))
{
    // Create a full scale image
    System::SharedPtr<System::Drawing::Bitmap> bmp = slide->GetThumbnail(scaleX, scaleY);
    // Save the image to disk in JPEG format
    bmp->Save(System::String::Format(u"Slide_{0}.jpg", slide->get_SlideNumber()),
              System::Drawing::Imaging::ImageFormat::get_Jpeg());
}

Slide::GetThumbnail() method

Returns a Thumbnail Image object (20% of real size).

System::SharedPtr<System::Drawing::Bitmap> Aspose::Slides::Slide::GetThumbnail() override

Deprecated

Use GetImage method instead. The method will be removed after release of version 24.7.

Slide::GetThumbnail(System::SharedPtr<Export::IRenderingOptions>) method

Returns a Thumbnail Bitmap object.

System::SharedPtr<System::Drawing::Bitmap> Aspose::Slides::Slide::GetThumbnail(System::SharedPtr<Export::IRenderingOptions> options) override

Arguments

Parameter	Type	Description
options	System::SharedPtr<Export::IRenderingOptions>	Rendering options.

Return Value

Bitmap objects.

Deprecated

Use GetImage(IRenderingOptions options) method instead. The method will be removed after release of version 24.7.

Slide::GetThumbnail(System::Drawing::Size) method

Returns a Thumbnail Bitmap object with specified size.

System::SharedPtr<System::Drawing::Bitmap> Aspose::Slides::Slide::GetThumbnail(System::Drawing::Size imageSize) override

Arguments

Parameter	Type	Description
imageSize	System::Drawing::Size	Size of the image to create.

Return Value

Bitmap object.

Remarks

Deprecated

Use GetImage(Size imageSize) method instead. The method will be removed after release of version 24.7.

The following example shows how to converting slides to images with custom sizes using C#.

auto pres = System::MakeObject<Presentation>(u"Presentation.pptx");

// Converts the first slide in the presentation to a Bitmap with the specified size
System::Drawing::Size size(1820, 1040)
System::SharedPtr<System::Drawing::Bitmap> bmp = pres->get_Slides()->idx_get(0)->GetThumbnail(size);

// Saves the image in the JPEG format
bmp->Save(u"Slide_0.jpg", System::Drawing::Imaging::ImageFormat::get_Jpeg());

Slide::GetThumbnail(System::SharedPtr<Export::ITiffOptions>) method

Returns a Thumbnail tiff bitmap object with specified parameters.

System::SharedPtr<System::Drawing::Bitmap> Aspose::Slides::Slide::GetThumbnail(System::SharedPtr<Export::ITiffOptions> options) override

Arguments

Parameter	Type	Description
options	System::SharedPtr<Export::ITiffOptions>	Tiff options.

Return Value

Bitmap object.

Deprecated

Use GetImage(ITiffOptions options) method instead. The method will be removed after release of version 24.7.

Slide::GetThumbnail(System::SharedPtr<Export::IRenderingOptions>, float, float) method

Returns a Thumbnail Bitmap object with custom scaling.

System::SharedPtr<System::Drawing::Bitmap> Aspose::Slides::Slide::GetThumbnail(System::SharedPtr<Export::IRenderingOptions> options, float scaleX, float scaleY) override

Arguments

Parameter	Type	Description
options	System::SharedPtr<Export::IRenderingOptions>	Rendering options.
scaleX	float	The value by which to scale this Thumbnail in the x-axis direction.
scaleY	float	The value by which to scale this Thumbnail in the y-axis direction.

Return Value

Bitmap objects.

Remarks

Deprecated

Use GetImage(IRenderingOptions options, float scaleX, float scaleY) method instead. The method will be removed after release of version 24.7.

The following example shows how to converting slides With notes and comments to Images using C#.

auto pres = System::MakeObject<Presentation>(u"PresentationNotesComments.pptx");

// Creates the rendering options
System::SharedPtr<IRenderingOptions> options = System::MakeObject<RenderingOptions>();
// Sets the position of the notes on the page
options->get_NotesCommentsLayouting()->set_NotesPosition(NotesPositions::BottomTruncated);
// Sets the position of the comments on the page
options->get_NotesCommentsLayouting()->set_CommentsPosition(CommentsPositions::Right);
// Sets the width of the comment output area
options->get_NotesCommentsLayouting()->set_CommentsAreaWidth(500);
// Sets the color for the comments area
options->get_NotesCommentsLayouting()->set_CommentsAreaColor(System::Drawing::Color::get_AntiqueWhite());
// Converts the first slide of the presentation to a Bitmap object
System::SharedPtr<System::Drawing::Bitmap> bmp = pres->get_Slides()->idx_get(0)->GetThumbnail(options, 2.0f, 2.0f);
// Saves the image in the GIF format
bmp->Save(u"Slide_Notes_Comments_0.gif", System::Drawing::Imaging::ImageFormat::get_Gif());

Slide::GetThumbnail(System::SharedPtr<Export::IRenderingOptions>, System::Drawing::Size) method

Returns a Thumbnail Bitmap object with specified size.

System::SharedPtr<System::Drawing::Bitmap> Aspose::Slides::Slide::GetThumbnail(System::SharedPtr<Export::IRenderingOptions> options, System::Drawing::Size imageSize) override

Arguments

Parameter	Type	Description
options	System::SharedPtr<Export::IRenderingOptions>	Rendering options.
imageSize	System::Drawing::Size	Size of the image to create.

Return Value

Bitmap objects.

Deprecated

Use GetImage(IRenderingOptions options, Size imageSize) method instead. The method will be removed after release of version 24.7.

See Also

• Typedef SharedPtr
• Class Bitmap
• Class Slide
• Class IRenderingOptions
• Class Size
• Class ITiffOptions
• Namespace Aspose::Slides
• Library Aspose.Slides