Convert multiple JPG to JPG in C++

High-speed C++ library to convert several JPG into JPG

Use C++ to obtain maximum JPG into JPG merge speed. This is a professional solution to join several JPG into a single JPG using C++. Try it online for free!

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Convert JPG to JPG in C++

Modern C++ library allows C++ developers to convert JPG to JPG image format with a few lines of code. JPG image conversion engine analyses the original graphical content, and exports the combined picture to JPG format.

Use C++ to convert JPG to JPG image format with maximum flexibility and speed. Run online live demo and check the highest JPG image quality right in a browser. JPG Conversion API supports a bunch of useful options.

Merge JPG to JPG in C++

To convert several JPG to JPG just use C++ library that handles all low-level details.

Convert multiple JPG images and save the result as a single JPG image. If you develop code in C++, image format conversion will be simpler than it sounds. See C++ example that iterates through image files and combines them into JPG:

Code example in C++ to combine multiple JPG to JPG
Input files
Upload a file you want to merge
Run code
Upload a file you want to merge
Output format
Select the target format from the list
using namespace Aspose::Words;

std::vector<String> fileNames { u"Input1.jpg", u"Input2.jpg" };

auto doc = MakeObject<Document>();
auto builder = MakeObject<DocumentBuilder>(doc);

std::vector<SharedPtr<Shape>> shapes;
for (const auto& fileName : fileNames)
    auto shape = builder->InsertImage(fileName);

// Calculate the maximum width and height and update page settings 
// to crop the document to fit the size of the pictures.
auto maxWidth = *std::max_element(shapes.begin(), shapes.end(),
    [](auto lhs, auto rhs)  return lhs->get_Width() < rhs->get_Width(); );
double maxHeight =
    std::accumulate(shapes.begin(), shapes.end(), 1.0,
        [](double result, auto shape)  return result + shape->get_Height(); );

auto pageSetup = builder->get_PageSetup();

Run code

How to convert several JPG into JPG

  1. Install 'Aspose.Words for C++'.
  2. Add a library reference (import the library) to your C++ project.
  3. Open the source JPG file in C++.
  4. Convert several JPG files into JPG in a few seconds.
  5. Call the 'AppendDocument()' method, passing an output filename with JPG extension.
  6. Get the result of conversion JPG into JPG.

C++ library to convert several JPG into JPG

There are three options to install Aspose.Words for C++ to your developer environment. Please choose one that resembles your needs and follow the step-by-step instructions:

System Requirements

You can use this C++ library to develop software on Microsoft Windows, Linux and macOS operating systems:

  • GCC >= 6.3.0 and Clang >= 3.9.1 are required for Linux
  • Xcode >= 12.5.1, Clang and libc++ are required for macOS

If you develop software for Linux or macOS, please check information on additional library dependencies (fontconfig and mesa-glu open-source packages) in Product Documentation.

Other Supported JPG Merge operations

You can merge JPG to many other file formats:


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