1 files changed, 125 insertions, 0 deletions
diff --git a/sys/gio/calcomp/t_calcomp.x b/sys/gio/calcomp/t_calcomp.x
new file mode 100644
index 00000000..0164d043
--- /dev/null
+++ b/sys/gio/calcomp/t_calcomp.x
@@ -0,0 +1,125 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<error.h>
+include	<gki.h>
+include <gset.h>
+include <mach.h>
+include "ccp.h"
+
+define	SZ_TXQUALITY	1
+
+# CALCOMP -- Graphics kernel for Calcomp pen plotter output.  The whole
+# package is copied as much as possible from the NSPP kernel.
+
+procedure t_calcomp()
+
+int	fd, list
+pointer	gki, sp, fname, devname
+int	dev[LEN_GKIDD], deb[LEN_GKIDD]
+int	debug, verbose, gkiunits
+char	txquality[SZ_TXQUALITY]
+bool	clgetb()
+char	clgetc()
+real	clgetr()
+int	clpopni(), clgfil(), open(), btoi()
+int	gki_fetch_next_instruction()
+
+include "ccp.com"
+
+begin
+	call smark (sp)
+	call salloc (fname, SZ_FNAME, TY_CHAR)
+	call salloc (devname, SZ_FNAME, TY_CHAR)
+
+	# Open list of metafiles to be decoded.
+	list = clpopni ("input")
+
+	# Get parameters.
+	call clgstr ("device", Memc[devname], SZ_FNAME)
+
+	if (clgetb ("generic")) {
+	    debug 	  = NO
+	    verbose 	  = NO
+	    gkiunits 	  = NO
+	    g_xtask_scale = INDEF
+	    g_xndcto_p 	  = INDEF
+	    g_ytask_scale = INDEF
+	    g_yndcto_p 	  = INDEF
+	    g_txquality   = 0
+	    g_lwtype	  = 'n'
+	    g_ltover      = false
+	    g_lwover      = true
+	    g_lcover      = false
+	    g_dashlen     = INDEF
+	    g_gaplen      = INDEF
+	    g_plwsep      = INDEF
+
+	} else {
+	    debug      = btoi (clgetb ("debug"))
+	    verbose    = btoi (clgetb ("verbose"))
+	    gkiunits   = btoi (clgetb ("gkiunits"))
+
+	    # scale precedence: calcomp.par->metacode->graphcap->compile_time
+	    g_xtask_scale = clgetr ("xscale")
+	    if (!IS_INDEF (g_xtask_scale))
+		g_xndcto_p = g_xtask_scale
+	    g_ytask_scale = clgetr ("yscale")
+	    if (!IS_INDEF (g_ytask_scale))
+		g_yndcto_p = g_ytask_scale
+
+	    # Get the quality parameter for the text generator.
+	    call clgstr ("txquality", txquality, SZ_TXQUALITY)
+	    switch (txquality[1]) {
+	    case 'l':
+		g_txquality = GT_LOW
+	    case 'm':
+		g_txquality = GT_MEDIUM
+	    case 'h':
+		g_txquality = GT_HIGH
+	    default:
+		g_txquality = 0			# .par default is "normal"
+	    }
+
+	    # Method of line width implementation:
+	    g_lwtype    = clgetc ("lwtype")
+
+	    # The overrides:
+	    g_ltover    = clgetb ("ltover")
+	    g_lwover    = clgetb ("lwover")
+	    g_lcover    = clgetb ("lcover")
+
+	    # Plotter line type, width control:
+	    g_dashlen   = clgetr ("dashlen")
+	    g_gaplen    = clgetr ("gaplen")
+	    g_plwsep    = clgetr ("plwsep")
+	}
+
+	# Open the graphics kernel.
+	call ccp_open (Memc[devname], dev)
+	call gkp_install (deb, STDERR, verbose, gkiunits)
+
+	# Process a list of metacode files, writing the decoded metacode
+	# instructions on the standard output.
+
+	while (clgfil (list, Memc[fname], SZ_FNAME) != EOF) {
+	    # Open input file.
+	    iferr (fd = open (Memc[fname], READ_ONLY, BINARY_FILE)) {
+		call erract (EA_WARN)
+		next
+	    }
+
+	    # Process the metacode instruction stream.
+	    while (gki_fetch_next_instruction (fd, gki) != EOF) {
+		if (debug == YES)
+		    call gki_execute (Mems[gki], deb)
+		call gki_execute (Mems[gki], dev)
+	    }
+
+	    call close (fd)
+	}
+
+	call gkp_close()
+	call ccp_close()
+	call clpcls (list)
+	call sfree (sp)
+end