split pdf

To split a PDF file using C++, you can follow the steps below:

  1. Include the necessary libraries:
  2. #include <iostream> for input/output operations.
  3. #include <string> for string manipulation.

  4. #include <fstream> for file handling.

  5. Declare the splitPDF function:

  6. void splitPDF(const std::string& inputFile, const std::string& outputFile, int startPage, int endPage)

  7. Open the input PDF file:

  8. std::ifstream input(inputFile, std::ios::binary);

  9. Check if the input file is open:

  10. if (!input.is_open()) { / handle error / }

  11. Open the output PDF file:

  12. std::ofstream output(outputFile, std::ios::binary);

  13. Check if the output file is open:

  14. if (!output.is_open()) { / handle error / }

  15. Read the input PDF file content:

  16. std::string content((std::istreambuf_iterator<char>(input)), std::istreambuf_iterator<char>());

  17. Calculate the start and end positions for splitting the content:

  18. int startPos = / calculate start position /;

  19. int endPos = / calculate end position /;

  20. Extract the desired pages from the input content:

  21. std::string extractedContent = content.substr(startPos, endPos - startPos);

  22. Write the extracted content to the output file:

    • output << extractedContent;

  23. Close the input and output files:

    • input.close();
    • output.close();

  24. Example usage:

    • splitPDF("input.pdf", "output.pdf", 1, 5);

These steps outline the basic process of splitting a PDF file using C++. Remember to handle any potential errors that may occur during file operations and adjust the splitting logic according to your specific requirements.