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319 lines
7.7 KiB
319 lines
7.7 KiB
/***********************************************************************
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MODULE : WMFPRINT.C
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FUNCTIONS : PrintWMF
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GetPrinterDC
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AbortProc
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AbortDlg
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COMMENTS :
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************************************************************************/
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#include "windows.h"
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#include "mfdcod32.h"
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PRINTDLG pd;
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/***********************************************************************
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FUNCTION : PrintWMF
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PARAMETERS : void
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PURPOSE : draw the metafile on a printer dc
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CALLS : WINDOWS
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wsprintf
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MessageBox
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MakeProcInstance
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Escape
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CreateDialog
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SetMapMode
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SetViewportOrg
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SetViewportExt
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EnableWindow
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PlayMetaFile
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DestroyWindow
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DeleteDC
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APP
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WaitCursor
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GetPrinterDC
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SetPlaceableExts
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SetClipMetaExts
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MESSAGES : none
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RETURNS : BOOL - 0 if unable to print 1 if successful
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COMMENTS :
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HISTORY : 1/16/91 - created - drc
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7/9/93 - modified for win32 and emf
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************************************************************************/
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BOOL PrintWMF(BOOL Dialog)
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{
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char str[50];
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POINT lpPT;
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SIZE lpSize;
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DOCINFO di;
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RECT rc;
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//
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//display the hourglass cursor
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//
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WaitCursor(TRUE);
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//
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//get a DC for the printer
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//
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hPr = GetPrinterDC(Dialog);
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//
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//if a DC could not be created then report the error and return
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//
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if (!hPr)
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{
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WaitCursor(FALSE);
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wsprintf((LPSTR)str, "Cannot print %s", (LPSTR)fnameext);
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MessageBox(hWndMain, (LPSTR)str, NULL, MB_OK | MB_ICONHAND);
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return (FALSE);
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}
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//
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//define the abort function
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//
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SetAbortProc(hPr, AbortProc);
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//
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//Initialize the members of a DOCINFO structure.
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//
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memset(&di, 0, sizeof(di));
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di.cbSize = sizeof(DOCINFO);
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di.lpszDocName = (bEnhMeta) ? "Print EMF" : "Print WMF";
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di.lpszOutput = (LPTSTR) NULL;
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//
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//Begin a print job by calling the StartDoc
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//function.
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//
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if (SP_ERROR == (StartDoc(hPr, &di)))
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{
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//if (Escape(hPr, STARTDOC, 4, "Metafile", (LPSTR) NULL) < 0) {
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MessageBox(hWndMain, "Unable to start print job",
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NULL, MB_OK | MB_ICONHAND);
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DeleteDC(hPr);
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}
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//
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//clear the abort flag
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//
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bAbort = FALSE;
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//
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//Create the Abort dialog box (modeless)
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//
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hAbortDlgWnd = CreateDialog(hInst, "AbortDlg", hWndMain, AbortDlg);
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//
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//if the dialog was not created report the error
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//
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if (!hAbortDlgWnd)
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{
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WaitCursor(FALSE);
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MessageBox(hWndMain, "NULL Abort window handle",
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NULL, MB_OK | MB_ICONHAND);
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return (FALSE);
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}
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//
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//show Abort dialog
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//
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ShowWindow (hAbortDlgWnd, SW_NORMAL);
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//
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//disable the main window to avoid reentrancy problems
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//
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EnableWindow(hWndMain, FALSE);
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WaitCursor(FALSE);
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//
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//if we are still committed to printing
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//
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if (!bAbort)
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{
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//
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//if this is a placeable metafile then set its origins and extents
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//
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if (bPlaceableMeta)
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SetPlaceableExts(hPr, placeableWMFHeader, WMFPRINTER);
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//
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//if this is a metafile contained within a clipboard file then set
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//its origins and extents accordingly
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//
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if ( (bMetaInRam) && (!bPlaceableMeta) )
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SetClipMetaExts(hPr, lpMFP, lpOldMFP, WMFPRINTER);
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//
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//if this is a "traditional" windows metafile
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//
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rc.left = 0;
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rc.top = 0;
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rc.right = GetDeviceCaps(hPr, HORZRES);
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rc.bottom = GetDeviceCaps(hPr, VERTRES);
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if (!bMetaInRam)
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{
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SetMapMode(hPr, MM_TEXT);
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SetViewportOrgEx(hPr, 0, 0, &lpPT);
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//
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//set the extents to the driver supplied values for horizontal
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//and vertical resolution
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//
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SetViewportExtEx(hPr, rc.right, rc.bottom, &lpSize );
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}
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//
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//play the metafile directly to the printer.
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//No enumeration involved here
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//
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if (bEnhMeta)
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{
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DPtoLP(hPr, (LPPOINT)&rc, 2);
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PlayEnhMetaFile(hPr, hemf, &rc);
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}
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else
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PlayMetaFile(hPr, hMF);
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}
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//
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//eject page and end the print job
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//
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Escape(hPr, NEWFRAME, 0, 0L, 0L);
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EndDoc(hPr);
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EnableWindow(hWndMain, TRUE);
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//
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//destroy the Abort dialog box
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//
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DestroyWindow(hAbortDlgWnd);
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DeleteDC(hPr);
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return(TRUE);
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}
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/***********************************************************************
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FUNCTION : GetPrinterDC
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PARAMETERS : BOOL: Do we want to show a print DLG?
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PURPOSE : Get hDc for current device on current output port according
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to info in WIN.INI.
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CALLS : WINDOWS
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GetProfileString
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AnsiNext
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CreateDC
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MESSAGES : none
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RETURNS : HANDLE - hDC > 0 if success hDC = 0 if failure
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COMMENTS : Searches WIN.INI for information about what printer is
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connected, and if found, creates a DC for the printer.
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HISTORY : 1/16/91 - created - denniscr
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************************************************************************/
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HANDLE GetPrinterDC(BOOL Dialog)
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{
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memset(&pd, 0, sizeof(PRINTDLG));
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pd.lStructSize = sizeof(PRINTDLG);
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pd.Flags = PD_RETURNDC | (Dialog?0:PD_RETURNDEFAULT);
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pd.hwndOwner = hWndMain ;
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return ((PrintDlg(&pd) != 0) ? pd.hDC : NULL);
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}
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/***********************************************************************
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FUNCTION : AbortProc
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PARAMETERS : HDC hPr - printer DC
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int Code - printing status
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PURPOSE : process messages for the abort dialog box
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CALLS : WINDOWS
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PeekMessage
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IsDialogMessage
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TranslateMessage
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DispatchMessage
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MESSAGES : none
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RETURNS : int
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COMMENTS :
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HISTORY : 1/16/91 - created - denniscr
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************************************************************************/
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BOOL CALLBACK AbortProc(HDC hPr, int Code)
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{
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MSG msg;
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//
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//Process messages intended for the abort dialog box
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//
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while (!bAbort && PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
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if (!IsDialogMessage(hAbortDlgWnd, &msg))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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//
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//bAbort is TRUE (return is FALSE) if the user has aborted
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//
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return (!bAbort);
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}
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/***********************************************************************
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FUNCTION : AbortDlg
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PARAMETERS : HWND hDlg;
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unsigned msg;
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WORD wParam;
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LONG lParam;
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PURPOSE : Processes messages for printer abort dialog box
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CALLS : WINDOWS
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SetFocus
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MESSAGES : WM_INITDIALOG - initialize dialog box
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WM_COMMAND - Input received
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RETURNS : BOOL
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COMMENTS : This dialog box is created while the program is printing,
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and allows the user to cancel the printing process.
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HISTORY : 1/16/91 - created - denniscr
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************************************************************************/
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INT_PTR CALLBACK AbortDlg(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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switch(msg)
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{
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//
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//Watch for Cancel button, RETURN key, ESCAPE key, or SPACE BAR
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//
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case WM_INITDIALOG:
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//
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//Set the focus to the Cancel box of the dialog
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//
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SetFocus(GetDlgItem(hDlg, IDCANCEL));
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return (TRUE);
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case WM_COMMAND:
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return (bAbort = TRUE);
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}
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return (FALSE);
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}
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