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Man Pages


Manual Reference Pages  -  PPD_EMIT_TO_FILE (3)

NAME

ppd_emit_to_file, ppd_emit_to_fd - Output device specific code.

CONTENTS

Synopsis
Description

SYNOPSIS


#include <ppd/ppd.h> 

gboolean ppd_emit( PpdFile * ppd,FILE *fp,PpdSectionOrder section ); gboolean ppd_emitfd( PpdFile * ppd, int fd,PpdSectionOrder section );

DESCRIPTION

The ppd_emit_* functions output the device specific code appropriate to the specified section that has not already been emitted.. The PpdFile pointer is obtained from opening a PPD file via the ppd_load(3) family of functions. The section can be any one of the following:
PPD_ORDER_ANY
  Option code can be anywhere in the file
PPD_ORDER_DOCUMENT
  Option code must be in the DocumentSetup section
PPD_ORDER_EXIT
  Option code must be sent prior to the document
PPD_ORDER_JCL
  Option code must be sent as a JCL command
PPD_ORDER_PAGE
  Option code must be in the PageSetup section
PPD_ORDER_PROLOG
  Option code must be in the Prolog section
The sections PPD_ORDER_DOCUMENT and PPD_ORDER_PAGE will also output code from the PPD_ORDER_ANY section.

Once a code section has been emitted it is marked as such and will not be emitted unless it is re-marked.

EXAMPLE

        /* Setup code to emitted */
        ppd_mark_defaults(ppd);
        ppd_mark_option(ppd,"Duplex","DuplexNoTumble");
        ppd_mark_option(ppd,"PageSize","A4");

        /* Emit initial code (including any reset and JCL code) */ ppd_emit_to_file(ppd,stdout,PPD_ORDER_EXIT); fputs(ppd->jcl_begin->str,stdout); ppd_emit_to_file(ppd, stdout, PPD_ORDER_JCL); fputs(ppd->jcl_ps->str, stdout);

        /* Any header comments go here */         ...

        /* Prolog section */ printf("%%%%BeginProlog0); ppd_emit_to_file(ppd, stdout, PPD_ORDER_PROLOG); printf("%%%%EndProlog0);

        /* Setup section */ printf("%%%%BeginSetup0); ppd_emit_to_file(ppd, stdout, PPD_ORDER_DOCUMENT); printf("%%%%EndSetup0);

        /* Main document begins */         for (...) {                 printf("%%%%Page: 1 10);                          /* Re-mark so that this is emitted on each page */         ppd_mark_option(ppd,"PageSize","A4");         printf("%%%%PageSetup0);         ppd_emit_to_file(ppd, stdout, PPD_ORDER_PAGE);         printf("%%%%EndPageSetup0);

                /* Page info goes here */                 ...         }

        /* Send ending JCL code */ fputs(ppd->jcl_end->str,stdout);

SEE ALSO

ppd_file_new(3), ppd_file_free(3)

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