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Convert POTX to PNG in C++

High performance POTX to PNG conversion using C++ library without the need of Microsoft PowerPoint installation.

 

Aspose.Slides for C++ Aspose.Slides for C++

Overview

Convert POTX to PNG Using C++

In order to convert POTX to PNG, we’ll use

Aspose.Slides for C++

API which is a feature-rich, powerful and easy to use document manipulation and conversion API for C++ platform. You can download its latest version directly, just open

NuGet

package manager, search for Aspose.Slides.Cpp and install. You may also use the following command from the Package Manager Console.

Command


PM> Install-Package Aspose.Slides.Cpp

How to Convert POTX to PNG via C++

C++ developers can easily convert POTX file to PNG in just a few lines of code.

  1. Load POTX file with Aspose.Slides for C++ Presentation Object.
  2. Select the first slide.
  3. Set the desired dimensions.
  4. Get the thumbnail with desired dimensions.
  5. Call Save() method having PNG output parameter .
  6. Open PNG file in compatible program.

System Requirements

Before running the C++ conversion example code, make sure that you have the following prerequisites.

  • Microsoft Windows or a compatible OS with C++ Runtime Environment for Windows 32 bit, Windows 64 bit and Linux 64 bit.
  • Aspose.Slides for C++ DLL referenced in your project.
 

POTX to PNG C++ Conversion Source Code

// Load the POTX
SharedPtr<Presentation> pres = MakeObject<Presentation>(u"sourceFile.potx");

// Access the first slide
SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);

// User defined dimension
int desiredX = 1200;
int desiredY = 800;

// Getting scaled value  of X and Y
float ScaleX = (float)(1.0 / pres->get_SlideSize()->get_Size().get_Width()) * desiredX;
float ScaleY = (float)(1.0 / pres->get_SlideSize()->get_Size().get_Height()) * desiredY;

// Create a custom scale image
auto bitmap = slide->GetThumbnail(ScaleX, ScaleY);

bitmap->Save(u"output.png", ImageFormat::get_Png());
	
//Iterate through each slide via index and convert
 

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    Other Supported Conversions

    You can also convert POTX into many other file formats including few listed below.

    POTX TO BMP (Bitmap Image)
    POTX TO EMF (Enhanced Metafile Format)
    POTX TO GIF (Graphical Interchange Format)
    POTX TO HTML (Hyper Text Markup Language)
    POTX TO JPEG (JPEG Image)
    POTX TO ODP (OpenDocument Presentation Format)
    POTX TO OTP (OpenDocument Standard Format)
    POTX TO PDF (Portable Document Format)
    POTX TO POT (Microsoft PowerPoint Template Files)
    POTX TO POTM (Microsoft PowerPoint Template File)
    POTX TO PPS (PowerPoint Slide Show)
    POTX TO PPSM (Macro-enabled Slide Show)
    POTX TO PPSX (PowerPoint Slide Show)
    POTX TO PPT (Microsoft PowerPoint 97-2003)
    POTX TO PPTM (Macro-enabled Presentation File)
    POTX TO PPTX (Open XML presentation Format)
    POTX TO SVG (Scalable Vector Graphics)
    POTX TO TIFF (Tagged Image Format)
    POTX TO XML (Extensible Markup Language)
    POTX TO XPS (XML Paper Specifications)