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- #ifdef INCRCSDATA
- static char RCSid[]="$Id: print.c%v 3.50 1993/07/09 05:35:24 woo Exp $" ;
- #endif
-
- /****************************************************************************
-
- PROGRAM: gnupmdrv
-
- Outboard PM driver for GNUPLOT 3.3
-
- MODULE: print.c -- support for printing graphics under OS/2
-
- ****************************************************************************/
-
- /*
- * PM driver for GNUPLOT
- * Copyright (C) 1992 Roger Fearick
- *
- * Permission to use, copy, and distribute this software and its
- * documentation for any purpose with or without fee is hereby granted,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation.
- *
- * Permission to modify the software is granted, but not the right to
- * distribute the modified code. Modifications are to be distributed
- * as patches to released version.
- *
- * This software is provided "as is" without express or implied warranty.
- *
- *
- * AUTHOR
- *
- * Gnuplot driver for OS/2: Roger Fearick
- *
- * Send your comments or suggestions to
- * info-gnuplot@dartmouth.edu.
- * This is a mailing list; to join it send a note to
- * info-gnuplot-request@dartmouth.edu.
- * Send bug reports to
- * bug-gnuplot@dartmouth.edu.
- **/
-
- #define INCL_SPLDOSPRINT
- #define INCL_DOSPROCESS
- #define INCL_DOSSEMAPHORES
- #define INCL_DEV
- #define INCL_SPL
- #define INCL_PM
- #define INCL_WIN
- #include <os2.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <process.h>
- #include "gnupmdrv.h"
-
- typedef struct { /* for print thread parameters */
- HWND hwnd ;
- char szPrintFile[256] ; /* file for printer output if not to printer */
- PPRQINFO3 piPrinter ; /* print queue info */
- } PRINTPARAMS ;
-
- static struct {
- long lTech ; // printer technology
- long lVer ; // driver version
- long lWidth ; // page width in pels
- long lHeight ; // page height in pels
- long lWChars ; // page width in chars
- long lHChars ; // page height in chars
- long lHorRes ; // horizontal resolution pels / metre
- long lVertRes ; // vertical resolution pels / metre
- } prCaps ;
-
- static float flXFrac = (float) 0.6 ; /* print area fractions */
- static float flYFrac = (float) 0.5 ;
-
- static DRIVDATA driv = {sizeof( DRIVDATA) } ;
- static PDRIVDATA pdriv = NULL ;
- static char szPrintFile[CCHMAXPATHCOMP] = {0} ;
- static DEVOPENSTRUC devop ;
-
- void ThreadPrintPage( PRINTPARAMS* ) ;
-
- MPARAM PrintCmdProc( HWND hWnd, ULONG msg, MPARAM mp1, MPARAM mp2 )
- /*
- ** Handle messages for print commands for 1- and 2-d spectra
- ** (i.e for the appropriate 1-and 2-d child windows )
- */
- {
- static BYTE abStack[4096] ;
- static PRINTPARAMS tp ;
- static char szBusy[] = "Busy - try again later" ;
- static char szStart[] = "Printing started" ;
- static HEV semPrint = 0L ;
- char szTemp[32] ;
- long lErr ;
- PBYTE pStack = abStack;
- TID tid ;
- char *pszMess, *szPrinter ;
-
- if( semPrint == 0L ) {
- DosCreateMutexSem( NULL, &semPrint, 0L, 0L ) ;
- }
-
- switch( msg ) {
-
- case WM_USER_PRINT_BEGIN:
-
- if( DosRequestMutexSem( semPrint, SEM_IMMEDIATE_RETURN ) != 0 ) {
- pszMess = szBusy ;
- WinMessageBox( HWND_DESKTOP,
- hWnd,
- pszMess,
- APP_NAME,
- 0,
- MB_OK | MB_ICONEXCLAMATION ) ;
- }
- else {
- pszMess = szStart ;
- tp.hwnd = hWnd ;
- tp.piPrinter = (PPRQINFO3) mp1 ;
- strcpy( tp.szPrintFile, szPrintFile ) ;
- DosCreateThread( &tid, (PFNTHREAD)ThreadPrintPage, (ULONG)&tp, 0L, 8192L ) ;
- }
- break ;
-
-
- case WM_USER_PRINT_OK :
-
- WinMessageBox( HWND_DESKTOP,
- hWnd,
- "Print done",
- APP_NAME,
- 0,
- MB_OK | MB_ICONEXCLAMATION ) ;
- DosReleaseMutexSem( semPrint ) ;
- break ;
-
- case WM_USER_DEV_ERROR :
-
- lErr = ERRORIDERROR( (ERRORID) mp1 ) ;
- sprintf( szTemp, "Dev error: %d %x", lErr, lErr ) ;
- WinMessageBox( HWND_DESKTOP,
- hWnd,
- szTemp,
- APP_NAME,
- 0,
- MB_OK | MB_ICONEXCLAMATION ) ;
- DosReleaseMutexSem( semPrint ) ;
- break ;
-
- case WM_USER_PRINT_ERROR :
-
- lErr = ERRORIDERROR( (ERRORID) mp1 ) ;
- sprintf( szTemp, "Print error: %d %x", lErr, lErr ) ;
- WinMessageBox( HWND_DESKTOP,
- hWnd,
- szTemp,
- APP_NAME,
- 0,
- MB_OK | MB_ICONEXCLAMATION ) ;
- DosReleaseMutexSem( semPrint ) ;
- break ;
-
- case WM_USER_PRINT_QBUSY :
-
- return( (MPARAM)DosRequestMutexSem( semPrint, SEM_IMMEDIATE_RETURN ) ) ;
-
- default : break ;
- }
-
- return 0L ;
- }
-
- int SetupPrinter( HWND hwnd, char *szPrintername, PPRQINFO3 pinfPrinter )
- /*
- ** Set up the printer
- **
- */
- {
- QPRINT qp ;
-
- HDC hdc ;
- /* check that printer is still around .. */
- if( FindPrinter( szPrintername, pinfPrinter ) != 0 ) return 0 ;
- qp.piPrinter = pinfPrinter ;
- /* get printer capabilities */
- if( (hdc = OpenPrinterDC( WinQueryAnchorBlock( hwnd ), pinfPrinter, OD_INFO, NULL )) != DEV_ERROR ) {
- DevQueryCaps( hdc, CAPS_TECHNOLOGY, (long)sizeof(prCaps)/sizeof(long), (PLONG)&prCaps ) ;
- DevCloseDC( hdc ) ;
- qp.xsize = (float)100.0* (float) prCaps.lWidth / (float) prCaps.lHorRes ; // in cm
- qp.ysize = (float)100.0* (float) prCaps.lHeight / (float) prCaps.lVertRes ; // in cm
- qp.xfrac = flXFrac ;
- qp.yfrac = flYFrac ;
- qp.szFilename[0] = 0 ;
- szPrintFile[0] = 0 ;
- qp.caps = prCaps.lTech & (CAPS_TECH_VECTOR_PLOTTER|CAPS_TECH_POSTSCRIPT) ?
- QP_CAPS_FILE : QP_CAPS_NORMAL ;
- if( WinDlgBox( HWND_DESKTOP,
- hwnd,
- (PFNWP)QPrintDlgProc,
- 0L,
- ID_QPRINT,
- &qp ) == DID_OK ) {
- flXFrac = qp.xfrac ;
- flYFrac = qp.yfrac ;
- if( qp.caps & QP_CAPS_FILE ) {
- if( qp.szFilename[0] != 0 ) strcpy( szPrintFile, qp.szFilename ) ;
- }
- return 1 ;
- }
- }
- return 0 ;
- }
-
- int SetPrinterMode( HWND hwnd, PPRQINFO3 pinfo )
- /*
- ** call up printer driver's own setup dialog box
- **
- ** returns : -1 if error
- ** 0 if no settable modes
- ** 1 if OK
- */
- {
- HAB hab ;
- LONG lBytes ;
-
- hab = WinQueryAnchorBlock( hwnd ) ;
- lBytes = DevPostDeviceModes( hab,
- NULL,
- devop.pszDriverName,
- driv.szDeviceName,
- NULL,
- DPDM_POSTJOBPROP ) ;
- if( lBytes > 0L ) {
- /* if we have old pdriv data, and if its for the same printer,
- keep it to retain user's current settings, else get new */
- if( pdriv != NULL
- && strcmp( pdriv->szDeviceName, pinfo->pDriverData->szDeviceName ) != 0 ) {
- free( pdriv ) ;
- pdriv = NULL ;
- }
- if( pdriv == NULL ) {
- if( lBytes < pinfo->pDriverData->cb ) lBytes = pinfo->pDriverData->cb ;
- pdriv = malloc( lBytes ) ;
- memcpy( pdriv, pinfo->pDriverData, pinfo->pDriverData->cb ) ;
- }
- pdriv->szDeviceName[0] = '\0' ; /* to check if 'cancel' selected */
- lBytes = DevPostDeviceModes( hab,
- pdriv,
- devop.pszDriverName,
- driv.szDeviceName,
- NULL,
- DPDM_POSTJOBPROP ) ;
- if( pdriv->szDeviceName[0] == '\0' ) { /* could be: 'cancel' selected */
- lBytes = 0 ;
- free(pdriv ) ; /* is this right ???? */
- pdriv = NULL ;
- }
- }
- return ( (int) lBytes ) ;
- }
-
- void ThreadPrintPage( PRINTPARAMS *ptp )
- /*
- ** thread to set up printer DC and print page
- **
- ** Input: THREADPARAMS *ptp -- pointer to thread data passed by beginthread
- **
- */
- {
- HAB hab ; // thread anchor block nandle
- HDC hdc ; // printer device context handle
- HPS hps ; // presentation space handle
- SHORT msgRet ; // message posted prior to return (end of thread)
- SIZEL sizPage ; // size of page for creation of presentation space
- LONG alPage[2] ; // actual size of printer page in pixels
- RECTL rectPage ; // viewport on page into which we draw
- LONG lColors ;
- char *szPrintFile ;
-
- hab = WinInitialize( 0 ) ;
-
- szPrintFile = ptp->szPrintFile[0] == '\0' ? NULL : ptp->szPrintFile ;
-
- if( (hdc = OpenPrinterDC( hab, ptp->piPrinter, 0L, szPrintFile )) != DEV_ERROR ) {
-
- // create presentation space for printer
-
- sizPage.cx = 0 ;
- sizPage.cy = 0 ;
- hps = GpiCreatePS( hab,
- hdc,
- &sizPage,
- PU_ARBITRARY | GPIF_DEFAULT | GPIT_MICRO | GPIA_ASSOC ) ;
-
- DevQueryCaps( hdc, CAPS_WIDTH, 2L, alPage ) ;
- DevQueryCaps( hdc, CAPS_PHYS_COLORS, 1L, &lColors ) ;
- rectPage.xLeft = 0L ;
- rectPage.xRight = alPage[0]*flXFrac ;
- rectPage.yTop = alPage[1]*flYFrac ;//alPage[1]*(1.0-flYFrac) ;
- rectPage.yBottom = 0L ; // = alPage[1] ;
-
- // start printing
-
- if( DevEscape( hdc,
- DEVESC_STARTDOC,
- 7L,
- APP_NAME,
- NULL,
- NULL ) != DEVESC_ERROR ) {
-
- ScalePS( hps, &rectPage, 0 ) ;
- PlotThings( hps, lColors ) ;
- DevEscape( hdc, DEVESC_ENDDOC, 0L, NULL, NULL, NULL ) ;
- msgRet = WM_USER_PRINT_OK ;
- }
- else
- msgRet = WM_USER_PRINT_ERROR ;
-
- GpiDestroyPS( hps ) ;
- DevCloseDC( hdc ) ;
- }
- else
- msgRet = WM_USER_DEV_ERROR ;
-
- DosEnterCritSec() ;
- WinPostMsg( ptp->hwnd, msgRet, (MPARAM)WinGetLastError(hab), 0L ) ;
- WinTerminate( hab ) ;
- }
-
- HDC OpenPrinterDC( HAB hab, PPRQINFO3 pqinf, LONG lMode, char *szPrintFile )
- /*
- ** get printer info from os2.ini and set up DC
- **
- ** Input: HAB hab -- handle of anchor block of printing thread
- ** PPRQINFO3-- pointer to data of current selected printer
- ** LONG lMode -- mode in which device context is opened = OD_QUEUED, OD_DIRECT, OD_INFO
- ** char *szPrintFile -- name of file for printer output, NULL
- ** if to printer (only used for devices that support file
- ** output eg plotter, postscript)
- **
- ** Return: HDC -- handle of printer device context
- ** = DEV_ERROR (=0) if error
- */
- {
- CHAR *pchDelimiter ;
- LONG lType ;
- static CHAR achPrinterData[256] ;
-
- if( pqinf == NULL ) return DEV_ERROR ;
-
- strcpy( achPrinterData, pqinf->pszDriverName ) ;
- achPrinterData[ strcspn(achPrinterData,".") ] = '\0' ;
-
- devop.pszDriverName = achPrinterData ;
- devop.pszLogAddress = pqinf->pszName ;
-
- if( (pdriv != NULL ) ) devop.pdriv = pdriv ;
- else devop.pdriv = pqinf->pDriverData ;
-
- if( szPrintFile != NULL ) devop.pszLogAddress = szPrintFile ;
-
- // set data type to RAW
-
- devop.pszDataType = "PM_Q_RAW" ;
-
- // open device context
- if( lMode != 0L )
- lType = lMode ;
- else
- lType = (szPrintFile == NULL) ? OD_QUEUED: OD_DIRECT ;
-
- return DevOpenDC( hab, // WinQueryAnchorBlock( hwnd ),
- lType,
- "*",
- 4L,
- (PDEVOPENDATA) &devop,
- NULLHANDLE ) ;
- }
-
- int FindPrinter( char *szName, PPRQINFO3 piPrinter )
- /*
- ** Find a valid printer
- */
- {
- PPRQINFO3 pprq ;
- int np ;
-
- if( *szName && (strcmp( szName, piPrinter->pszName ) == 0) ) return 0 ;
- if( GetPrinters( &pprq , &np ) == 0 ) return 1 ;
- for( --np; np>=0; np-- ) {
- if( strcmp( szName, pprq[np].pszName ) == 0 ) {
- memcpy( piPrinter, &pprq[np], sizeof( PRQINFO3 ) ) ;
- free( pprq ) ;
- return 0 ;
- }
- }
- memcpy( piPrinter, &pprq[0], sizeof( PRQINFO3 ) ) ;
- free( pprq ) ;
- return 0 ;
- }
-