Initial commit

1 files changed, 38 insertions, 0 deletions

diff --git a/sys/gio/gim/gimrefpix.x b/sys/gio/gim/gimrefpix.x
new file mode 100644
index 00000000..1d906a1a
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+++ b/sys/gio/gim/gimrefpix.x
@@ -0,0 +1,38 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<gescape.h>
+include	<gim.h>
+include	<gki.h>
+
+# GIM_REFRESHPIX -- Update any mappings defined upon the given region of
+# the given source raster, as if the pixel values had been set with a write
+# pixels call.
+
+procedure gim_refreshpix (gp, raster, ct, x1, y1, width, height)
+
+pointer	gp			#I graphics descriptor
+int	raster			#I raster number (0 is display window)
+int	ct			#I coordinate type
+real	x1, y1			#I region to be refreshed
+real	width, height		#I region to be refreshed
+
+short	gim[GIM_REFRESHPIXELS_LEN]
+
+begin
+	gim[GIM_REFRESHPIXELS_RN] = raster
+	gim[GIM_REFRESHPIXELS_CT] = ct
+
+        if (ct == CT_PIXEL) {
+            gim[GIM_REFRESHPIXELS_X1] = x1
+            gim[GIM_REFRESHPIXELS_Y1] = y1
+            gim[GIM_REFRESHPIXELS_NX] = width
+            gim[GIM_REFRESHPIXELS_NY] = height
+        } else {
+            gim[GIM_REFRESHPIXELS_X1] = x1 * GKI_MAXNDC
+            gim[GIM_REFRESHPIXELS_Y1] = y1 * GKI_MAXNDC
+            gim[GIM_REFRESHPIXELS_NX] = nint (width * GKI_MAXNDC)
+            gim[GIM_REFRESHPIXELS_NY] = nint (height * GKI_MAXNDC)
+        }
+
+	call gescape (gp, GIM_REFRESHPIXELS, gim, GIM_REFRESHPIXELS_LEN)
+end