API C++ Gratis untuk Membuat, Memanipulasi & Memparse File PDF.

Instal PPTXTemplater dari GitHub

 vcpkg install fontconfig freetype libxml2 openssl libjpeg-turbo libpng tiff zlib
mkdir build
cd build
cmake -DCMAKE_TOOLCHAIN_FILE=C:\vcpkg\scripts\buildsystems\vcpkg.cmake -DCMAKE_BUILD_TYPE=Debug ..
cmake --build . --config Debug

Instal PPTXTemplater dari GitHub

 git clone https://github.com/podofo/podofo.git

Anda juga dapat menginstalnya secara manual; unduh file rilis terbaru langsung dari repositori GitHub.

Cara Membuat PDF Sederhana melalui Perpustakaan C++?

#include 

using namespace PoDoFo;

int main() {
    PdfStreamedDocument document("HelloWorld.pdf");
    PdfPainter painter;
    PdfPage* pPage;

    try {
        pPage = document.CreatePage(PdfPage::CreateStandardPageSize(ePdfPageSize_A4));
        painter.SetPage(pPage);
        PdfFont* pFont = document.CreateFont("Arial");
        pFont->SetFontSize(18.0);
        painter.SetFont(pFont);
        painter.DrawText(56.69, pPage->GetPageSize().GetHeight() - 56.69, "Hello World!");
        painter.FinishPage();
        document.Close();
    } catch (const PdfError & e) {
        e.PrintErrorMsg();
        return e.GetCode();
    }

    return 0;
}
 

Cara Memuat dan Mengekstrak Teks dari File PDF melalui API C++?

#include 
using namespace PoDoFo;

PdfMemDocument pdf("document.pdf");
int pageCount = pdf.GetPageCount();
for (int i = 0; i < pageCount; ++i) {
    PdfPage* page = pdf.GetPage(i);
    PdfContentsTokenizer tokenizer(page);

    const char* token = nullptr;
    PdfVariant var;
    EPdfContentsType type;

    while (tokenizer.ReadNext(type, token, var)) {
        if (type == ePdfContentsType_Keyword) {
            printf("Operator: %s\n", token);
        } else if (type == ePdfContentsType_Variant) {
            // Examine var as needed
        }
    }
}

 

Cara Menambahkan Tanda Tangan Digital ke PDF via C++?

 // Conceptual Code - Not a complete working example
#include 

using namespace PoDoFo;

int main() {
    PdfMemDocument document("unsigned.pdf");
    PdfPage* pPage = document.GetPage(0);

    // Create a signature field
    PdfSignatureField sigField(pPage,
        PdfRect(100, pPage->GetPageSize().GetHeight() - 100, 200, 50),
        &document);

    // Set signature properties
    // ...

    // Sign the document using a custom signer implementation
    // MySigner signer("my_certificate.pfx", "password");
    // document.Sign(sigField, signer);

    document.Write("signed.pdf");

    return 0;
}