// MySetPrinter // // Demonstrates how to use the SetPrinter API. This particular function changes the orienation // for the printer specified in pPrinterName to the orientation specified in dmOrientation. // // Valid values for dmOrientation are: // DMORIENT_PORTRAIT (1) // or // DMORIENT_LANDSCAPE (2) BOOL CBaseView::MySetPrinter(CString csPrinterName, short dmOrientation) { HANDLE hPrinter = NULL; DWORD dwNeeded = 0; PRINTER_INFO_2 *pi2 = NULL; DEVMODE *pDevMode = NULL; PRINTER_DEFAULTS pd; BOOL bFlag; LONG lFlag; // Open printer handle (on Windows NT, you need full-access because you // will eventually use SetPrinter)... LPSTR pPrinterName = (char*)(LPCTSTR)csPrinterName; ZeroMemory(&pd, sizeof(pd)); pd.DesiredAccess = PRINTER_ALL_ACCESS; bFlag = OpenPrinter(pPrinterName, &hPrinter, &pd); if (!bFlag || (hPrinter == NULL)) return FALSE; // The first GetPrinter tells you how big the buffer should be in // order to hold all of PRINTER_INFO_2. Note that this should fail with // ERROR_INSUFFICIENT_BUFFER. If GetPrinter fails for any other reason // or dwNeeded isn't set for some reason, then there is a problem... SetLastError(0); bFlag = GetPrinter(hPrinter, 2, 0, 0, &dwNeeded); if ((!bFlag) && (GetLastError() != ERROR_INSUFFICIENT_BUFFER) || (dwNeeded == 0)) { ClosePrinter(hPrinter); return FALSE; } // Allocate enough space for PRINTER_INFO_2... pi2 = (PRINTER_INFO_2 *)GlobalAlloc(GPTR, dwNeeded); if (pi2 == NULL) { ClosePrinter(hPrinter); return FALSE; } // The second GetPrinter fills in all the current settings, so all you // need to do is modify what you're interested in... bFlag = GetPrinter(hPrinter, 2, (LPBYTE)pi2, dwNeeded, &dwNeeded); if (!bFlag) { GlobalFree(pi2); ClosePrinter(hPrinter); return FALSE; } // If GetPrinter didn't fill in the DEVMODE, try to get it by calling // DocumentProperties... if (pi2->pDevMode == NULL) { dwNeeded = DocumentProperties(NULL, hPrinter, pPrinterName, NULL, NULL, 0); if (dwNeeded <= 0) { GlobalFree(pi2); ClosePrinter(hPrinter); return FALSE; } pDevMode = (DEVMODE *)GlobalAlloc(GPTR, dwNeeded); if (pDevMode == NULL) { GlobalFree(pi2); ClosePrinter(hPrinter); return FALSE; } lFlag = DocumentProperties(NULL, hPrinter, pPrinterName, pDevMode, NULL, DM_OUT_BUFFER); if (lFlag != IDOK || pDevMode == NULL) { GlobalFree(pDevMode); GlobalFree(pi2); ClosePrinter(hPrinter); return FALSE; } pi2->pDevMode = pDevMode; } // Driver is reporting that it doesn't support this change... if (!(pi2->pDevMode->dmFields & DM_ORIENTATION)) { GlobalFree(pi2); ClosePrinter(hPrinter); if (pDevMode) GlobalFree(pDevMode); return FALSE; } // Specify exactly what we are attempting to change... // pi2->pDevMode->dmFields = DM_ORIENTATION; // pi2->pDevMode->dmOrientation = dmOrientation; pi2->pDevMode->dmFields = pi2->pDevMode ->dmFields | DM_PAPERSIZE | DM_PAPERLENGTH | DM_PAPERWIDTH |DM_ORIENTATION; pi2->pDevMode->dmPaperSize = 0;//DMPAPER_USER; //自定义纸张 绘图仪打印用0！！！！！！！！！ pi2->pDevMode->dmPaperWidth = (short)6210; //纸宽多少 pi2->pDevMode->dmPaperLength = (short)(m_nPrintHours*6210/5); //纸chang多少 2个小时30厘米 最大设为2730 pi2->pDevMode->dmOrientation = DMORIENT_PORTRAIT;//顺便设定纸张走纸方向，横向还是纵向 // Do not attempt to set security descriptor... pi2->pSecurityDescriptor = NULL; // Make sure the driver-dependent part of devmode is updated... lFlag = DocumentProperties(NULL, hPrinter, pPrinterName, pi2->pDevMode, pi2->pDevMode, DM_IN_BUFFER | DM_OUT_BUFFER); if (lFlag != IDOK) { GlobalFree(pi2); ClosePrinter(hPrinter); if (pDevMode) GlobalFree(pDevMode); return FALSE; } // Update printer information... bFlag = SetPrinter(hPrinter, 2, (LPBYTE)pi2, 0); if (!bFlag) // The driver doesn't support, or it is unable to make the change... { GlobalFree(pi2); ClosePrinter(hPrinter); if (pDevMode) GlobalFree(pDevMode); return FALSE; } // Tell other apps that there was a change... SendMessageTimeout(HWND_BROADCAST, WM_DEVMODECHANGE, 0L, (LPARAM)(LPCSTR)pPrinterName, SMTO_NORMAL, 1000, NULL); // Clean up... if (pi2) GlobalFree(pi2); if (hPrinter) ClosePrinter(hPrinter); if (pDevMode) GlobalFree(pDevMode); return TRUE; } BOOL CBaseView::GetPrinterDevice(CString strPrinterName, HGLOBAL* phDevNames, HGLOBAL* phDevMode) { // if NULL is passed, then assume we are setting app object's // devmode and devnames if (phDevMode == NULL || phDevNames == NULL) return FALSE; LPSTR pszPrinterName = (char*)(LPCTSTR)strPrinterName; // Open printer HANDLE hPrinter; if (OpenPrinter(pszPrinterName, &hPrinter, NULL) == FALSE) return FALSE; // obtain PRINTER_INFO_2 structure and close printer DWORD dwBytesReturned, dwBytesNeeded; GetPrinter(hPrinter, 2, NULL, 0, &dwBytesNeeded); PRINTER_INFO_2* p2 = (PRINTER_INFO_2*)GlobalAlloc(GPTR,dwBytesNeeded); if (GetPrinter(hPrinter, 2, (LPBYTE)p2, dwBytesNeeded,&dwBytesReturned) == 0) { GlobalFree(p2); ClosePrinter(hPrinter); return FALSE; } ClosePrinter(hPrinter); if (!OpenPrinter(pszPrinterName, &hPrinter, NULL)) return FALSE ; int nSize = DocumentProperties(NULL, hPrinter, pszPrinterName, NULL, NULL, 0); ASSERT(nSize >= 0); HGLOBAL local_hDevMode = ::GlobalAlloc(GHND, nSize) ; // allocate on heap LPDEVMODE lpDevMode = (LPDEVMODE)::GlobalLock(local_hDevMode);// lock it //LPDEVMODE lpDevMode = (DEVMODE *)GlobalAlloc(GPTR, nSize); if (DocumentProperties(NULL, hPrinter, pszPrinterName, lpDevMode, NULL, DM_OUT_BUFFER) != IDOK) { ASSERT(::GlobalFlags(local_hDevMode) != GMEM_INVALID_HANDLE); UINT nCount = ::GlobalFlags(local_hDevMode) & GMEM_LOCKCOUNT; while (nCount--) ::GlobalUnlock(local_hDevMode); ::GlobalFree(local_hDevMode); local_hDevMode = NULL; GlobalFree(p2); ClosePrinter(hPrinter); return FALSE ; } //p2->pDevMode->dmPaperSize = DMPAPER_USER; // p2->pDevMode->dmFields = p2->pDevMode ->dmFields | DM_PAPERSIZE | DM_PAPERLENGTH | DM_PAPERWIDTH |DM_ORIENTATION; // p2->pDevMode->dmPaperSize = 0;//DMPAPER_USER; //自定义纸张 // // p2->pDevMode->dmPaperWidth = (short)6210; //纸宽多少 // p2->pDevMode->dmPaperLength = (short)(m_nPrintHours*6210/5); //纸chang多少 2个小时30厘米 最大设为2730 // // p2->pDevMode->dmOrientation = DMORIENT_PORTRAIT;//顺便设定纸张走纸方向，横向还是纵向 // if(DocumentProperties(NULL, hPrinter,pszPrinterName,p2->pDevMode, p2->pDevMode,DM_IN_BUFFER | DM_OUT_BUFFER)!= IDOK) // { // ASSERT(::GlobalFlags(local_hDevMode) != GMEM_INVALID_HANDLE); // UINT nCount = ::GlobalFlags(local_hDevMode) & GMEM_LOCKCOUNT; // while (nCount--) // ::GlobalUnlock(local_hDevMode); // ::GlobalFree(local_hDevMode); // local_hDevMode = NULL; // GlobalFree(p2); // ClosePrinter(hPrinter); // hPrinter = NULL; // return FALSE; // } // BOOL bFlag = SetPrinter(hPrinter, 2, (LPBYTE)p2, 0); ::GlobalUnlock(local_hDevMode) ; ClosePrinter(hPrinter); // Compute size of DEVNAMES structure from PRINTER_INFO_2's data DWORD drvNameLen = lstrlen(p2->pDriverName)+1; // driver name DWORD ptrNameLen = lstrlen(p2->pPrinterName)+1; // printer name DWORD porNameLen = lstrlen(p2->pPortName)+1; // port name // Allocate a global handle big enough to hold DEVNAMES. HGLOBAL hDevNames = GlobalAlloc(GHND, sizeof(DEVNAMES) + (drvNameLen + ptrNameLen + porNameLen)*sizeof(TCHAR)); ASSERT(hDevNames); DEVNAMES* pDevNames = (DEVNAMES*)GlobalLock(hDevNames); ASSERT(pDevNames); // Copy the DEVNAMES information from PRINTER_INFO_2 // tcOffset = TCHAR Offset into structure int tcOffset = sizeof(DEVNAMES)/sizeof(TCHAR); ASSERT(sizeof(DEVNAMES) == tcOffset*sizeof(TCHAR)); pDevNames->wDriverOffset = tcOffset; memcpy((LPTSTR)pDevNames + tcOffset, p2->pDriverName, drvNameLen*sizeof(TCHAR)); tcOffset += drvNameLen; pDevNames->wDeviceOffset = tcOffset; memcpy((LPTSTR)pDevNames + tcOffset, p2->pPrinterName, ptrNameLen*sizeof(TCHAR)); tcOffset += ptrNameLen; pDevNames->wOutputOffset = tcOffset; memcpy((LPTSTR)pDevNames + tcOffset, p2->pPortName, porNameLen*sizeof(TCHAR)); pDevNames->wDefault = 0; GlobalUnlock(hDevNames); GlobalFree(p2); // free PRINTER_INFO_2 // set the new hDevMode and hDevNames *phDevMode = local_hDevMode; *phDevNames = hDevNames; return TRUE; } void CBaseView::ChangeDocumentArea(int nWidth ,int nHeight ) { double fWidthMulti,fHeightMulti; double g_basic_total_page_width = 3600.0; double g_basic_total_page_height = 2050.0; fWidthMulti = (double)nWidth / g_basic_total_page_width; fHeightMulti = (double)nHeight / g_basic_total_page_height; m_nPageWidth = g_basic_total_page_width* fWidthMulti; //打印页码的总宽度 m_nPageHeight = g_basic_total_page_height* fHeightMulti; //总高度 } bool CBaseView::GetOffsetAndSize(int type, int& x_offset, int& y_offset, int& height, int& width) { double offset_x = 1, offset_y = 1, height_r = 1, width_r = 1; switch(type) { case AREASCHED: { offset_x = 13; offset_y = 18+4; height_r = 70; width_r = 70; } break; case AREATITLE: { offset_x = 50; offset_y = 1.5; height_r = 1; } break; case AREAFOOT: { offset_x = 50; offset_y = 99.7; height_r = 1; } break; default: return false; } x_offset = (int)((offset_x/100.0)*m_nPageWidth); y_offset = (int)((offset_y/100.0)*m_nPageHeight); height = (height_r/100.0)*m_nPageHeight; width = (width_r/100.0)*m_nPageWidth; return true; }