1 files changed, 42 insertions, 0 deletions
diff --git a/sys/gio/gim/gimwcmap.x b/sys/gio/gim/gimwcmap.x
new file mode 100644
index 00000000..54a6d3f2
--- /dev/null
+++ b/sys/gio/gim/gimwcmap.x
@@ -0,0 +1,42 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<gio.h>
+include	<gescape.h>
+
+# GIM_WRITECOLORMAP -- Write to a colormap.
+
+procedure gim_writecolormap (gp, colormap, first, nelem, r, g, b)
+
+pointer	gp			#I graphics descriptor
+int	colormap		#I colormap number (0=screen)
+int	first			#I first colormap entry to be written
+int	nelem			#I number of elements to write
+int	r[ARB],g[ARB],b[ARB]	#I RGB color values (0-255)
+
+int	i
+pointer	sp, cm, op
+short	gim[GIM_WRITECMAP_LEN]
+errchk	gpl_flush
+
+begin
+	call gpl_flush()
+
+	call smark (sp)
+	call salloc (cm, nelem * 3, TY_SHORT)
+
+	gim[GIM_WRITECMAP_MP] = colormap
+	gim[GIM_WRITECMAP_FC] = first
+	gim[GIM_WRITECMAP_NC] = nelem
+
+	do i = 1, nelem {
+	    op = cm + (i - 1) * 3
+	    Mems[op+0] = r[i]
+	    Mems[op+1] = g[i]
+	    Mems[op+2] = b[i]
+	}
+
+	call gki_wescape (GP_FD(gp), GIM_WRITECMAP,
+	    gim, GIM_WRITECMAP_LEN, Mems[cm], nelem * 3)
+
+	call sfree (sp)
+end