(Unicode C++) Upload an Image File to an AI Provider (OpenAI, Google, Antropic, X)

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Uploads an image file to an AI provider using the provider's File API and returns the id that can later be used to reference the file in an query. This currently works with ChatGPT and Gemini, but not other AI's. Most AI's currently don't have the ability to reference pre-uploaded image data in conversations.

Note: This example requires Chilkat v11.4.0 or greater.

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#include <CkAiW.h>
#include <CkBinDataW.h>

void ChilkatSample(void)
    {
    bool success = false;

    CkAiW ai;

    // Can currently be "openai" or "google" because these are the only AI's that can reference pre-loaded image data by file ID.
    ai.put_Provider(L"openai");
    // Use your provider's API key.
    ai.put_ApiKey(L"MY_API_KEY");

    // We can upload directly from a file in the filesystem, or from a Chilkat BinData.

    const wchar_t *contentType = L"image/jpeg";
    const wchar_t *localFilePath = L"qa_data/jpg/starfish.jpg";
    const wchar_t *filenameOnServer = L"starfish.jpg";

    // Upload directly from a file.
    const wchar_t *file_id = ai.uploadFile(localFilePath,contentType);
    if (ai.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",ai.lastErrorText());
        wprintf(L"AI File Upload Failed.\n");
    }
    else {
        wprintf(L"File ID: %s\n",file_id);
        wprintf(L"File uploaded.\n");
    }

    // Upload from the contents of a Chilkat BinData
    CkBinDataW bd;
    success = bd.LoadFile(localFilePath);
    if (success == false) {
        wprintf(L"%s\n",bd.lastErrorText());
        return;
    }

    file_id = ai.uploadFileBd(bd,filenameOnServer,contentType);
    if (ai.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",ai.lastErrorText());
        wprintf(L"AI File Upload Failed.\n");
    }
    else {
        wprintf(L"File ID: %s\n",file_id);
        wprintf(L"File uploaded.\n");
    }
    }