Convert PDF to PNG in C++

High-speed and cross-platform C++ Library that helps in developing applications with the ability to create, merge, inspect, or convert Microsoft PowerPoint and OpenOffice presentation files without the use of any software like Microsoft or Open Office, Adobe PDF.

Convert PDF to PNG in C++

Aspose.Slides for C++ is a powerful C++ library for creating and manipulating presentation files. Moreover, it provides flexible ways to convert PDF to PNG. Using Aspose.Slides for C++, any developer or application can convert PDF to PNG files with just a few lines of C++ code.

As a modern document processing API, Aspose.Slides for C++ exports PDF files to PNG file formats quickly. Aspose PowerPoint library allows you to convert PDF to PNGs and many other file formats

Convert PDF to PNG using C++

To convert the PDF to PNG, you will need to create Presentation from PDF file and save it as PNG.

C++ code for converting PDF into PNG
auto pres = System::MakeObject<Presentation>();
pres->get_Slides()->AddFromPdf(u"InputPDF.pdf");
for (int32_t i = 0; i < pres->get_Slides()->get_Count(); i++)
{
    // Control hidden slides (do not render hidden slides)
    if (pres->get_Slides()->idx_get(i)->get_Hidden())
    {
        continue;
    }
    
    // Convert slide to a Bitmap object
    System::SharedPtr<Bitmap> bmp = pres->get_Slides()->idx_get(i)->GetThumbnail(2.f, 2.f);

    // Create file name for an image
    System::String outputFilePath = Path::Combine(outputDir, System::String(u"Slide_") + i + u".png");
    
    // Save the image in PNG format
    bmp->Save(outputFilePath, ImageFormat::get_Png());
}

How to convert PDF to PNG using Aspose.Slides for C++ API

These are the steps to convert PDF to PNG in C++.

Install Aspose.Slides for C++ .
Add a library reference (import the library) to your C++ project.
Open the source PDF files in C++.
Save result as PNG file.

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Convert PDF To Other Supported Formats

You can also convert PDF and save to other file formats. See all supported formats below