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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include "psio.h"
# PS_WRITE_PROLOG -- Write the PS prolog given the current postscript struct.
# This initializes a flag keeping other changes from taking effect once
# this is called.
procedure ps_write_prolog (ps)
pointer ps #I PSIO descriptor
int fd, sz_font
char buf[SZ_LINE]
int itoc(), ps_centerPos(), ps_rjPos()
long clktime()
begin
fd = PS_FD(ps)
call cnvtime (clktime(long(0)), buf, SZ_LINE)
# Write the header stuff.
call fprintf (fd, "%%!PS-Adobe-1.0\n")
call fprintf (fd, "%%%%Creator: IRAF PostScript Translator\n")
call fprintf (fd, "%%%%CreationDate: %s\n") ; call pargstr (buf)
call fprintf (fd, "%%%%Pages: (atend)\n")
call fprintf (fd, "%%%%DocumentFonts: (atend)\n")
call fprintf (fd, "%%%%EndComments\n")
call fprintf (fd, "%%%%BeginProlog\n")
# Initialize page values.
call fprintf (fd,
"/inch\t{ 72 mul \t} def\t\t\t%% 72 points per inch\n")
call fprintf (fd,
"/PL \t{ %d \t\t} def\t\t\t%% set page height\n")
call pargi (PS_PHEIGHT(ps))
call fprintf (fd,
"/FtrY\t{ 20 \t\t} def\t\t\t%% footer Y position\n")
call fprintf (fd,
"/HdrY\t{ PL 40 sub \t} def\t\t\t%% header Y position\n")
call fprintf (fd,
"/xOrg\t%d \t def\t\t\t\t%% left margin (inches)\n")
call pargi (PS_PLMARGIN(ps))
call fprintf (fd,
"/yOrg\t%d \t def\t\t\t\t%% top margin (inches)\n")
call pargi (PS_PTMARGIN(ps))
call fprintf (fd,
"/Page\t0 \t def\t\t\t\t%% page number\n")
call fprintf (fd,
"/pnum\t4 string def\t\t\t\t%% sizeof pnum cvs buffer\n")
call fprintf (fd,
"/res\t%4.2f\tdef\t\t\t\t%% pixel resolution factor\n")
call pargi (RESOLUTION)
call fprintf (fd, "\n")
# Create the font array to be used.
sz_font = PS_FONTSZ(ps)
call fprintf (fd, "/FS \t{ findfont exch scalefont } bind def ")
call fprintf (fd, "\t%% find and scale a font\n")
call fprintf (fd, "/Fonts [\t\t\t\t\t%% create an array of fonts\n")
call fprintf (fd, "\t%d /Times-Roman FS\n") ; call pargi (sz_font)
call fprintf (fd, "\t%d /Times-Bold FS\n") ; call pargi (sz_font)
call fprintf (fd, "\t%d /Times-Italic FS\n") ; call pargi (sz_font)
call fprintf (fd, "\t%d /Courier FS\n") ; call pargi (sz_font-1)
call fprintf (fd, "\t11 /Times-Bold FS\n")
if (sz_font >= 6 && sz_font <= 10)
call pargi (sz_font+2)
else
call pargi (sz_font)
call fprintf (fd, "] def\n")
# Set the fonts.
call fprintf (fd,
"/SF { setfont \t} bind def\n")
call fprintf (fd,
"/R { Fonts 0 get SF\t} bind def\t\t%% roman font\n")
call fprintf (fd,
"/B { Fonts 1 get SF\t} bind def\t\t%% bold font\n")
call fprintf (fd,
"/I { Fonts 2 get SF\t} bind def\t\t%% italic font\n")
call fprintf (fd,
"/T { Fonts 3 get SF\t} bind def\t\t%% teletype font\n")
call fprintf (fd,
"/HD { Fonts 4 get SF\t} bind def\t\t%% header font\n")
# Define line motion bindings.
call fprintf (fd, "/H { res div\n")
call fprintf (fd, "\tcurrentpoint exch pop\n")
call fprintf (fd, "\tmoveto \t\t} def\t\t\t%% horizontal position\n")
call fprintf (fd, "/V { res div\n")
call fprintf (fd, "\tcurrentpoint pop exch\n")
call fprintf (fd, "\tmoveto \t\t} def\t\t\t%% vertical position\n")
call fprintf (fd, "/S { exch H show\t} bind def\t\t%% show\n")
# Write the page header routine.
call fprintf (fd, "/BP {\t\t\t\t\t\t%% Begin page (header).\n")
if (HLEDGE(ps) != EOS) {
call fprintf (fd, "\txOrg %d div HdrY moveto B (%s) show\n")
call pargi (RESOLUTION)
call pargstr (HLEDGE(ps))
}
if (HCENTER(ps) != EOS) {
call fprintf (fd, "\t%d %d div HdrY moveto B (%s) show\n")
call pargi (ps_centerPos(ps, HCENTER(ps)))
call pargi (RESOLUTION)
call pargstr (HCENTER(ps))
}
if (HREDGE(ps) != EOS) {
call fprintf (fd, "\t%d %d div HdrY moveto B (%s) show\n")
call pargi (ps_rjPos(ps, HREDGE(ps)))
call pargi (RESOLUTION)
call pargstr (HREDGE(ps))
}
call fprintf (fd, "\txOrg yOrg moveto\n")
call fprintf (fd, "} bind def\n")
# Write the page footer routine.
call fprintf (fd, "/EP {\t\t\t\t\t\t%% End page (footer).\n")
call fprintf (fd,
"\t/Page Page 1 add def\t\t\t%% increment page number\n")
if (FLEDGE(ps) != EOS) {
call fprintf (fd, "\txOrg %d div FtrY moveto R (%s) show\n")
call pargi (RESOLUTION)
call pargstr (FLEDGE(ps))
}
if (FCENTER(ps) != EOS) {
call fprintf (fd, "\t%d %d div FtrY moveto R (%s) show\n")
call pargi (ps_centerPos(ps, FLEDGE(ps)))
call pargi (RESOLUTION)
call pargstr (FCENTER(ps))
}
if (PS_NUMBER(ps) == YES) {
if (itoc (PS_PNUM(ps), buf, SZ_LINE) != 0) {
call fprintf (fd,
"\t%d %d div FtrY moveto R Page pnum cvs show\n")
call pargi (ps_rjPos(ps, buf))
call pargi (RESOLUTION)
}
} else if (FREDGE(ps) != EOS) {
call fprintf (fd, "\t%d %d div FtrY moveto R (%s) show\n")
call pargi (ps_rjPos(ps, FREDGE(ps)))
call pargi (RESOLUTION)
call pargstr (FREDGE(ps))
}
call fprintf (fd, "\tshowpage\t\t\t\t%% show the page\n")
call fprintf (fd, "} bind def\n")
# Finish the prolog header and flush the output.
call fprintf (fd, "%%%%EndProlog\n")
call fprintf (fd, "%%%%Page: 1 1\n")
call fprintf (fd, "%%----------\n")
call fprintf (fd, "initgraphics\n")
call fprintf (fd, "R\n")
call fprintf (fd, "BP\n")
call flush (fd)
# Set the flag indicating we've written the prolog
PS_INITIALIZED(ps) = YES
end
# PS_TRAILER - Write the postscript trailer.
procedure ps_trailer (ps)
pointer ps #I PSIO descriptor
int fd
begin
fd = PS_FD(ps)
call fprintf (fd, "EP\n")
call fprintf (fd, "%% end of document\n")
call fprintf (fd, "%%%%Trailer\n")
call fprintf (fd, "%%%%DocumentFonts: ")
call fprintf (fd, "Times-Roman Times-Bold Times-Italic Courier\n")
call fprintf (fd, "%%%%Pages: %d\n")
call pargi(PS_PNUM(ps))
call flush (fd)
end
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