Initial commit

1 files changed, 66 insertions, 0 deletions

diff --git a/sys/gio/cursor/grcwrite.x b/sys/gio/cursor/grcwrite.x
new file mode 100644
index 00000000..c0a602a9
--- /dev/null
+++ b/sys/gio/cursor/grcwrite.x
@@ -0,0 +1,66 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<fset.h>
+include	<gio.h>
+include	"gtr.h"
+include	"grc.h"
+
+# GRC_WRITE -- Write the contents of the frame buffer to a file, with or
+# without applying the workstation transformation, optionally clobbering
+# any existing file of the same name.
+
+procedure grc_write (tr, stream, fname, clobber, fullframe)
+
+pointer	tr			# graphics stream descriptor
+int	stream			# graphics stream
+char	fname[ARB]		# file name
+bool	clobber			# clobber existing file
+bool	fullframe		# write full frame (no workstation transform)
+
+pointer	sp, lbuf
+long	size1, size2
+int	save1, save2, fd, nchars
+long	fstatl()
+int	open()
+errchk	write, gtr_redraw
+
+begin
+	call smark (sp)
+	call salloc (lbuf, SZ_LINE, TY_CHAR)
+
+	# Delete existing file if clobber requested.
+	if (clobber)
+	    iferr (call delete (fname))
+		;
+
+	# Open metacode spool file for appending.
+	iferr (fd = open (fname, APPEND, BINARY_FILE)) {
+	    call grc_message (stream, " - cannot open file for appending")
+	    call sfree (sp)
+	    return
+	}
+
+	# Write either the full frame or the displayed frame into spool file.
+
+	size1 = fstatl (fd, F_FILESIZE)
+	if (fullframe) {
+	    nchars = (TR_OP(tr) - TR_FRAMEBUF(tr)) * SZ_SHORT
+	    call write (fd, Mems[TR_FRAMEBUF(tr)], nchars)
+	} else {
+	    call gki_redir  (stream, fd, save1, save2)
+	    call gtr_redraw (stream)
+	    call gki_redir  (stream,  0, save1, save2)
+	}
+
+	size2 = fstatl (fd, F_FILESIZE)
+	call sprintf (Memc[lbuf], SZ_LINE, " - %d chars %s")
+	    call pargi (size2 - size1)
+	if (size1 > 0)
+	    call pargstr ("appended")
+	else
+	    call pargstr ("")
+	call grc_message (stream, Memc[lbuf])
+
+	call close (fd)
+	call sfree (sp)
+end