Initial commit

1 files changed, 108 insertions, 0 deletions

diff --git a/pkg/images/tv/display/imdmapfr.x b/pkg/images/tv/display/imdmapfr.x
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+++ b/pkg/images/tv/display/imdmapfr.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <imset.h>
+include <imhdr.h>
+include <mach.h>
+include <fset.h>
+include	"display.h"
+include	"iis.h"
+
+# IMD_MAPFRAME -- Open the given frame of the stdimage display device on an
+# IMIO image descriptor.
+
+pointer procedure imd_mapframe (frame, mode, select_frame)
+
+int	frame			#I frame to be opened [1:N]
+int	mode			#I access mode
+int	select_frame		#I make frame the display frame
+
+pointer	ds
+int	chan[MAXCHAN]
+char	device[SZ_FNAME]
+
+pointer	imdmap()
+extern	imdopen()
+int	imstati(), fstati(), envgets()
+errchk	imdmap, imseti
+include	"iis.com"
+
+begin
+	if (envgets ("stdimage", device, SZ_FNAME) == 0)
+	    call error (1, "variable `stdimage' not defined in environment")
+
+	# Pass frame number into IIS code.
+	call iis_setframe (frame)
+
+	# Map the frame onto an image descriptor.
+	ds = imdmap (device, mode, imdopen)
+	# call imseti (ds, IM_CLOSEFD, YES)
+	chan[1] = fstati (imstati (ds, IM_PIXFD), F_CHANNEL)
+	chan[2] = MONO
+
+	# Pick up the frame size.
+	iis_xdim   = IM_LEN(ds,1)
+	iis_ydim   = IM_LEN(ds,2)
+	iis_config = IM_LEN(ds,3)
+
+	# Optimize for sequential i/o.
+	call imseti (ds, IM_ADVICE, SEQUENTIAL)
+
+	# Display frame being loaded?
+	if (select_frame == YES)
+	    call zfrmim (chan)
+
+	return (ds)
+end
+
+# IMD_MAPFRAME1 -- Open the given frame of the stdimage display device on an
+# IMIO image descriptor.
+# This differs from imd_mapframe only in the addition of the erase option.
+
+pointer procedure imd_mapframe1 (frame, mode, select_frame, erase)
+
+int	frame			#I frame to be opened [1:N]
+int	mode			#I access mode
+int	select_frame		#I make frame the display frame
+int	erase			#I erase frame
+
+pointer	ds
+int	chan[MAXCHAN]
+char	device[SZ_FNAME]
+
+pointer	imdmap()
+extern	imdopen()
+int	imstati(), fstati(), envgets()
+errchk	imdmap, imseti
+include	"iis.com"
+
+begin
+	if (envgets ("stdimage", device, SZ_FNAME) == 0)
+	    call error (1, "variable `stdimage' not defined in environment")
+
+	# Pass frame number into IIS code.
+	call iis_setframe (frame)
+
+	# Map the frame onto an image descriptor.
+	ds = imdmap (device, mode, imdopen)
+	# call imseti (ds, IM_CLOSEFD, YES)
+	chan[1] = fstati (imstati (ds, IM_PIXFD), F_CHANNEL)
+	chan[2] = MONO
+
+	# Pick up the frame size.
+	iis_xdim   = IM_LEN(ds,1)
+	iis_ydim   = IM_LEN(ds,2)
+	iis_config = IM_LEN(ds,3)
+
+	# Optimize for sequential i/o.
+	call imseti (ds, IM_ADVICE, SEQUENTIAL)
+
+	# Display frame being loaded?
+	if (select_frame == YES)
+	    call zfrmim (chan)
+
+	# Erase frame being loaded?
+	if (erase == YES)
+	    call zersim (chan)
+
+	return (ds)
+end