Open Source C++ API That Simplifies PowerPoint Automation

Getting Started with Aspose.Slides FOSS for C++

The recommend way to install Aspose.Slides FOSS for C++ is using GitHub. Please use the following command for a smooth installation.

git clone https://github.com/aspose-slides-foss/Aspose.Slides-FOSS-for-Cpp.git 

Create PowerPoint Presentations from Scratch via C++

One of the most valuable capabilities of Aspose.Slides FOSS for C++ is creating completely new PowerPoint presentations programmatically. Instead of designing slides manually, developers can generate presentations dynamically using application data, reports, invoices, dashboards, or customer information. This feature is especially useful for automated reporting systems, business intelligence applications, and enterprise software where presentations are generated on demand. Since every slide is created through code, developers gain full control over the presentation structure and content. Here is a simple example that creates a new PowerPoint presentation and saves it as a PPTX file.

#include 

using namespace Aspose::Slides;

int main()
{
    auto presentation = System::MakeObject();

    presentation->Save(u"NewPresentation.pptx",
                       Export::SaveFormat::Pptx);

    return 0;
}

Convert PowerPoint Presentations to PDF via C++

Many organizations distribute presentations as PDF documents to ensure consistent viewing across different devices. Aspose.Slides FOSS for C++ demonstrates how to convert PowerPoint files into high-quality PDF documents with minimal code. PDF conversion is particularly useful for archiving presentations, sharing reports with clients, printing handouts, and preserving document formatting. Automated conversion also removes the need for Microsoft PowerPoint during server-side processing. The following example converts a PowerPoint presentation into a PDF document using C++ commands.

#include 

using namespace Aspose::Slides;

int main()
{
    auto presentation =
        System::MakeObject(u"Presentation.pptx");

    presentation->Save(
        u"Presentation.pdf",
        Export::SaveFormat::Pdf
    );

    return 0;
}

Add and Format Text on Slides

Generating presentations usually involves inserting dynamic text such as titles, summaries, statistics, or customer information. Aspose.Slides FOSS for C++ makes this process straightforward by allowing developers to add text boxes and apply professional formatting. Software developers can customize font size, font family, colors, alignment, paragraph spacing, and positioning. This makes it possible to generate visually appealing presentations without manual editing, ensuring consistent branding across automatically generated documents.

#include 
#include 

using namespace Aspose::Slides;

int main()
{
    auto presentation = System::MakeObject();

    auto slide = presentation->get_Slides()->idx_get(0);

    auto shape = slide->get_Shapes()->AddAutoShape(
        ShapeType::Rectangle,
        100,
        100,
        400,
        80
    );

    shape->get_TextFrame()->set_Text("Welcome to Aspose.Slides!");

    presentation->Save(u"TextExample.pptx",
        Export::SaveFormat::Pptx);

    return 0;
}

Insert Images into Presentations via C++ API

Visual elements make presentations more engaging and informative. Aspose.Slides FOSS for C++ enables developers to insert logos, photographs, diagrams, charts, icons, and screenshots programmatically. Applications generating business reports or marketing presentations can automatically embed company branding and data visualizations without requiring manual editing. This feature is ideal for automated presentation generation workflows where images are retrieved from databases or external services. 

#include 

using namespace Aspose::Slides;

int main()
{
    auto presentation = System::MakeObject();

    auto slide = presentation->get_Slides()->idx_get(0);

    auto image = Images::Image::FromFile(u"logo.png");

    auto img = presentation->get_Images()->AddImage(image);

    slide->get_Shapes()->AddPictureFrame(
        ShapeType::Rectangle,
        100,
        100,
        250,
        150,
        img
    );

    presentation->Save(u"ImagePresentation.pptx",
        Export::SaveFormat::Pptx);

    return 0;
}