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1 files changed, 80 insertions, 0 deletions

diff --git a/sys/psio/psbreak.x b/sys/psio/psbreak.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <psset.h>
+include "psio.h"
+
+
+# PS_LINEBREAK -- Break the current line regardless of whether it has been
+# filled.  The fill_flag says whether to fill the current line to be right 
+# justified.  May be called to simply output the current line buffer.
+
+procedure ps_linebreak (ps, fill_flag)
+
+pointer	ps					#I PSIO descriptor
+int	fill_flag				#I fill line flag
+
+begin
+	iferr (call ps_output (ps, Memc[PS_WBPTR(ps)], fill_flag))
+	    return
+
+	# Do a variable spacing depending on whether we're within unformatted
+	# text where the font is smaller, or outputting a regular line.
+
+	if (PS_CFONT(ps) == F_TELETYPE)
+            PS_YPOS(ps) = PS_YPOS(ps) - ((LINE_HEIGHT-2) * RESOLUTION)
+	else 
+            PS_YPOS(ps) = PS_YPOS(ps) - (LINE_HEIGHT * RESOLUTION)
+
+	# Check for a page break.
+        if (PS_YPOS(ps) <= PS_PBMARGIN(ps))
+            call ps_pagebreak (ps)
+	else {
+	    call fprintf (PS_FD(ps), "%d V\n")
+	        call pargi (PS_YPOS(ps))
+	}
+
+        # Reset the X position to current left margin.
+        PS_XPOS(ps) = PS_CLMARGIN(ps)
+
+	# Clear the word buffer.
+	call aclrc (Memc[PS_WBPTR(ps)], SZ_LINE)
+end
+
+
+# PS_NEWLINE -- Output a newline (vertical space actually).
+
+procedure ps_newline (ps)
+
+pointer	ps					#I PSIO descriptor
+
+begin
+	# Check for a page break.
+        PS_YPOS(ps) = PS_YPOS(ps) - ((LINE_HEIGHT-4) * RESOLUTION)
+        if (PS_YPOS(ps) <= PS_PBMARGIN(ps))
+            call ps_pagebreak (ps)
+	else {
+	    call fprintf (PS_FD(ps), "%d V\n")
+	        call pargi (PS_YPOS(ps))
+	}
+
+        # Reset the X position to current left margin.
+        PS_XPOS(ps) = PS_CLMARGIN(ps)
+end
+
+
+# PS_PAGEBREAK -- Break the current page regardless of whether it has been
+# filled.
+
+procedure ps_pagebreak (ps)
+
+pointer	ps					#I PSIO descriptor
+
+begin
+	PS_PNUM(ps) = PS_PNUM(ps) + 1
+	call fprintf (PS_FD(ps), "EP\n%%%%Page: %d %d\nBP\n")
+	    call pargi (PS_PNUM(ps))
+	    call pargi (PS_PNUM(ps))
+
+	PS_YPOS(ps) = (PS_PHEIGHT(ps) * RESOLUTION) - PS_PTMARGIN(ps)
+	call ps_ypos (ps, PS_YPOS(ps))
+end