Multiple printers SDK sample

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Feb 25, 2019

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Multiple printers SDK sample

Multiple printers sample is similar with the Temporary printer sample but it uses several threads.

Note
To be able to use the samples you must install novaPDF SDK as samples work only with it. Download it here: nova PDF SDK.

Source code

// HelloWorld.cpp
#include "stdafx.h"

//Include novaPDF headers
#include "..\..\..\include\novaOptions.h"
#include "..\..\..\include\novaEvents.h"

//NovaPdfOptions
#include "..\..\..\include\novapi.h"
#include "nova.h"
//name of novaPDF Printer Demo
#define PRINTER_NAME1    L"novaPDF 10 temporary printer1"
#define PRINTER_NAME2    L"novaPDF 10 temporary printer2"
#define PRINTER_NAME3    L"novaPDF 10 temporary printer3"

#define PORT_NAME1    L"novaPDF10temp1"
#define PORT_NAME2    L"novaPDF10temp2"
#define PORT_NAME3    L"novaPDF10temp3"

#define FILE_NAME1    L"first.pdf"
#define FILE_NAME2    L"second.pdf"
#define FILE_NAME3    L"third.pdf"

//text to be written in the PDF file
#define PDF_TEXT        L"Hello world!"

//PDF file name
#define PDF_FILE_NAME   L"HelloWorld.pdf"

//Print profile name
#define PROFILE_NAME       L"HelloWorld Profile"
#define PROFILE_IS_PUBLIC  0

typedef struct _PRT_THREAD_PARAM {
    WCHAR wsPrinterName[255];
    WCHAR wsPortName[255];
    WCHAR wsFileName[255];
} PRT_THREAD_PARAM;

DWORD WINAPI PrtThreadProc(LPVOID lpParameter);
HANDLE CreatePrtThread(LPWSTR p_strPrinterName, LPWSTR p_wsPortName, LPWSTR p_wsFileName);

//entry point for the console application
int _tmain(int argc, _TCHAR* argv[])
{
    HANDLE hThread1 = CreatePrtThread(PRINTER_NAME1, PORT_NAME1, FILE_NAME1);
    HANDLE hThread2 = CreatePrtThread(PRINTER_NAME2, PORT_NAME2, FILE_NAME2);
    HANDLE hThread3 = CreatePrtThread(PRINTER_NAME3, PORT_NAME3, FILE_NAME3);

    if (hThread1 > 0){
        //wait to stop processing events
        WaitForSingleObject(hThread1, INFINITE);
        CloseHandle(hThread1);
    }

    if (hThread2 > 0){
        //wait to stop processing events
        WaitForSingleObject(hThread2, INFINITE);
        CloseHandle(hThread2);
    }

    if (hThread3 > 0){
        //wait to stop processing events
        WaitForSingleObject(hThread3, INFINITE);
        CloseHandle(hThread3);
    }

    return 0;
}

HANDLE CreatePrtThread(LPWSTR p_strPrinterName, LPWSTR p_wsPortName, LPWSTR p_wsFileName)
{
    PRT_THREAD_PARAM* pParams;
    DWORD dwThreadId; 

    // Transmit parameters for thread: pipe handle and PDF temp file name
    pParams = (PRT_THREAD_PARAM*)GlobalAlloc(LPTR, sizeof(PRT_THREAD_PARAM));
    wcscpy_s(pParams->wsPrinterName, p_strPrinterName);
    wcscpy_s(pParams->wsPortName, p_wsPortName);
    wcscpy_s(pParams->wsFileName, p_wsFileName);
    // Create the thread
    HANDLE hThread =CreateThread( 
        NULL,              // no security attribute 
        0,                 // default stack size 
        (LPTHREAD_START_ROUTINE) PrtThreadProc, 
        (LPVOID) pParams,    // thread parameter 
        0,                 // not suspended 
        &dwThreadId);      // returns thread ID 
    return hThread;
}

DWORD WINAPI PrtThreadProc(LPVOID lpParameter)
{

    HRESULT hr = S_OK;

    //initialize COM
    hr = CoInitialize(NULL);
    if (FAILED (hr)) 
    { 
        MessageBox(NULL, L"Failed to initialize COM", L"novaPDF", MB_OK); 
        return hr; 
    } 

    // Read thread's parameter: a handle to a pipe instance and the name of the temporary PDF file
    PRT_THREAD_PARAM* pParams = ((PRT_THREAD_PARAM*)lpParameter); 

    INovaPdfOptions10 *pNova = 0;
    hr = CoCreateInstance(__uuidof(NovaPdfOptions10), NULL, CLSCTX_INPROC_SERVER, __uuidof(INovaPdfOptions10), (LPVOID*) &pNova);

    if (FAILED(hr))   
    {
        MessageBox(NULL, L"Failed to create novaPDF COM object", L"novaPDF", MB_OK); 
        return hr;
    }

    //if you have an application license for novaPDF SDK, call the RegisterLicenseKey() function 
    //hr = pNova->RegisterLicenseKey(<register name>, <license key>, <application name>);

    if (SUCCEEDED(hr)) 
    {
        //add temporary printer
        //8501 is default service port, check next registry key:
        //HKEY_LOCAL_MACHINE\SOFTWARE\Softland\novaPDF 10\ServicePort
        //nPdfSdk10_Softland is the default OEMID for novaPDF SDK change it with your license OEMID
        pNova->AddNovaPrinter(pParams->wsPrinterName, pParams->wsPortName, L"nPdfSdk10_Softland", L"8503", L"");
        // set optional PDF settings 

        LPWSTR pwsNewProfileID = NULL;
        //create a new profile with default settings
        hr = pNova->AddProfile(PROFILE_NAME, PROFILE_IS_PUBLIC, &pwsNewProfileID);

        //load the newly created profile
        if (SUCCEEDED(hr) && pwsNewProfileID) 
        {
            hr = pNova->LoadProfile(pwsNewProfileID);
        }
        else
        {
            pNova->Release();
            return hr;
        }

        if (SUCCEEDED(hr) && pwsNewProfileID) 
        {
            // set novaPDF options 
            // set resulting file name
            pNova->SetOptionLong(NOVAPDF_SAVE_FOLDER_TYPE, SAVEFOLDER_CUSTOM);
            pNova->SetOptionLong(NOVAPDF_SAVE_LOCATION, LOCATION_TYPE_LOCAL);
            pNova->SetOptionLong(NOVAPDF_SAVE_FOLDER_TYPE, SAVEFOLDER_CUSTOM);
            pNova->SetOptionString(NOVAPDF_SAVE_FOLDER, L"C:\\temp\\novaPDF");
            pNova->SetOptionString(NOVAPDF_SAVE_FILE_NAME, pParams->wsFileName);
            //do not show prompt dialog
            pNova->SetOptionLong(NOVAPDF_SAVE_PROMPT_TYPE, PROMPT_SAVE_NONE);
            //if file exists, override
            pNova->SetOptionLong(NOVAPDF_SAVE_FILEEXIST_ACTION, FILE_CONFLICT_STRATEGY_AUTONUMBER_NEW);
            //do not open
            pNova->DisableActionType(NOVA_ACTION_OPEN);

            //save profile changes
            hr = pNova->SaveProfile();
            //set as active profile for printer
            pNova->SetActiveProfile(pwsNewProfileID);

            HANDLE     hPrinter;
            BOOL bTimeout;
            PDEVMODEW  pDevmode = NULL;
            PRINTER_DEFAULTS pd = { NULL, NULL, PRINTER_ACCESS_USE };

            for (int i = 1; i <= 10; i++)
            {

                //start print job
                if (OpenPrinter(pParams->wsPrinterName, &hPrinter, &pd))
                {
                    //register to wait for a nova event - wait until PDf is finished
                    pNova->RegisterNovaEvent(L"NOVAPDF_EVENT_START_DOC");
                    //get default printer DEVMODE      
                    int nSize = DocumentProperties(NULL, hPrinter, pParams->wsPrinterName, NULL, NULL, 0);
                    pDevmode = (PDEVMODEW)LocalAlloc(LPTR, nSize);
                    DocumentProperties(NULL, hPrinter, pParams->wsPrinterName, pDevmode, NULL, DM_OUT_BUFFER);

                    //set page size in DEVMODE
                    pDevmode->dmPaperSize = DMPAPER_USER;
                    pDevmode->dmPaperLength = 2970;//5940;
                    pDevmode->dmPaperWidth = 2100;//4200;
                    pDevmode->dmFields = DM_PAPERSIZE | DM_PAPERLENGTH | DM_PAPERWIDTH;
                    DocumentProperties(NULL, hPrinter, pParams->wsPrinterName, pDevmode, pDevmode, DM_IN_BUFFER | DM_OUT_BUFFER);

                    //Print a page
                    HDC hDC = CreateDC(L"", pParams->wsPrinterName, NULL, pDevmode);
                    DOCINFO docInfo = {sizeof(DOCINFO)};
                    // PDF document name and path
                    docInfo.lpszDocName = PDF_FILE_NAME; 
                    StartDoc(hDC,&docInfo);
                    StartPage(hDC);
                    // Draw text on page
                    TextOut(hDC, 100, 80, PDF_TEXT, (int) wcslen(PDF_TEXT)); 
                    EndPage(hDC);
                    EndDoc(hDC);
                    DeleteDC(hDC);
                    LocalFree(pDevmode);
                    ClosePrinter(hPrinter);
                    pNova->WaitForNovaEvent(-1, &bTimeout);
                }
            }

            //delete profile
            pNova->DeleteProfile(pwsNewProfileID);
            CoTaskMemFree(pwsNewProfileID);
        }
        //delete temporarry printer
        pNova->DeleteNovaPrinter(pParams->wsPrinterName);

        //release NovaPdfOptions
        pNova->Release();
    }

    return 0;
}