Initial commit

1 files changed, 85 insertions, 0 deletions

diff --git a/sys/gio/gim/gimgetmap.x b/sys/gio/gim/gimgetmap.x
new file mode 100644
index 00000000..c58bae0d
--- /dev/null
+++ b/sys/gio/gim/gimgetmap.x
@@ -0,0 +1,85 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<syserr.h>
+include	<gescape.h>
+include	<fset.h>
+include	<gio.h>
+include	<gki.h>
+include	<gim.h>
+
+# GIM_GETMAPPING -- Get the parameters defining a mapping.  The function value
+# is YES if the mapping is defined and enabled and NO if the mapping is
+# defined but not enabled.  If the mapping is not defined ERR is returned.
+
+int procedure gim_getmapping (gp, mapping, rop,
+	src,st,sx,sy,sw,sh, dst,dt,dx,dy,dw,dh)
+
+pointer	gp			#I graphics descriptor
+int	mapping			#I mapping to be queried
+int	rop			#O rasterop
+int     src			#O source raster
+int     st			#O coordinate type for source raster
+int     sx,sy,sw,sh		#O source rect
+int     dst			#O destination raster
+int     dt			#O coordinate type for destination raster
+int     dx,dy,dw,dh		#O destination rect
+
+int	nchars, nread
+short	gim[GIM_GETMAPPING_LEN]
+short	retval[GIM_RET_GMAP_LEN]
+errchk	gescape, flush, read, syserrs
+int	read(), btoi()
+
+begin
+	call gpl_flush()
+	gim[GIM_GETMAPPING_MP] = mapping
+	call gescape (gp, GIM_GETMAPPING, gim, GIM_GETMAPPING_LEN)
+	call flush (GP_FD(gp))
+
+	# This assumes a normal stream type GKI connection.
+	nchars = GIM_RET_GMAP_LEN * SZ_SHORT
+	nread = read (GP_FD(gp), retval, nchars)
+	call fseti (GP_FD(gp), F_CANCEL, OK)
+	if (nread != nchars)
+	    call syserrs (SYS_FREAD, "gim_getmapping")
+
+	# EN=0 not defined, EN=1 defined not enabled, EN=2 defined enabled.
+	if (retval[GIM_RET_GMAP_EN] == 0)
+	    return (ERR)
+	else {
+	    rop = retval[GIM_RET_GMAP_OP]
+
+	    src = retval[GIM_RET_GMAP_SR]
+	    st  = retval[GIM_RET_GMAP_ST]
+
+	    if (st == CT_PIXEL) {
+		sx = retval[GIM_RET_GMAP_SX]
+		sy = retval[GIM_RET_GMAP_SY]
+		sw = retval[GIM_RET_GMAP_SW]
+		sh = retval[GIM_RET_GMAP_SH]
+	    } else {
+		sx = real (retval[GIM_RET_GMAP_SX]) / GKI_MAXNDC
+		sy = real (retval[GIM_RET_GMAP_SY]) / GKI_MAXNDC
+		sw = real (retval[GIM_RET_GMAP_SW]) / GKI_MAXNDC
+		sh = real (retval[GIM_RET_GMAP_SH]) / GKI_MAXNDC
+	    }
+
+	    dst = retval[GIM_RET_GMAP_SR]
+	    dt  = retval[GIM_RET_GMAP_DT]
+
+	    if (dt == CT_PIXEL) {
+		dx = retval[GIM_RET_GMAP_DX]
+		dy = retval[GIM_RET_GMAP_DY]
+		dw = retval[GIM_RET_GMAP_DW]
+		dh = retval[GIM_RET_GMAP_DH]
+	    } else {
+		dx = real (retval[GIM_RET_GMAP_DX]) / GKI_MAXNDC
+		dy = real (retval[GIM_RET_GMAP_DY]) / GKI_MAXNDC
+		dw = real (retval[GIM_RET_GMAP_DW]) / GKI_MAXNDC
+		dh = real (retval[GIM_RET_GMAP_DH]) / GKI_MAXNDC
+	    }
+
+	}
+
+	return (btoi (retval[GIM_RET_GMAP_EN] == 2))
+end