Merge PNG in C++

High-speed and cross-platform C++ library for merging PNG images using C++ code

Merge PNG to PNG using Aspose.Slides

Aspose.Slides for C++ is a powerful C++ library used to merge and manipulate presentations, images, and other files. When you merge PNG to PNG, you are effectively combining two images to get one picture.

Merge PNG to PNG in C++

Using Aspose.Slides for C++ , you can merge PNG files quickly with just a few lines of code

C++ code for merging PNG to PNG
auto pres = System::MakeObject<Presentation>();
        
auto image1 = pres->get_Images()->AddImage(File::ReadAllBytes(u"image1.png"));
pres->get_Slides()->idx_get(0)->get_Shapes()->AddPictureFrame(ShapeType::Rectangle, 0.0f, 0.0f, 100.0f, 100.0f, image1);
auto image2 = pres->get_Images()->AddImage(File::ReadAllBytes(u"image2.png"));
pres->get_Slides()->idx_get(0)->get_Shapes()->AddPictureFrame(ShapeType::Rectangle, 0.0f, 200.0f, 100.0f, 100.0f, image2);

for (int32_t index = 0; index < pres->get_Slides()->get_Count(); index++)
{
    auto slide = pres->get_Slides()->idx_get(index);
    auto fileName = String::Format(u"slide_{0}.png", index);
    slide->GetThumbnail()->Save(fileName, ImageFormat::get_Png());
}

How to merge PNG in C++

Install Aspose.Slides for C++. See Installation .
Add the library as a reference in your project.
Create an instance of the Presentation class.
Load the PNG files you want to merge as picture frames.
Save the resulting PNG image.

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Merge other files

You can also combine files in other formats to get a single file