BSD 4_3_Tahoe development

Work on file usr/src/new/X/libibm/libsrc/copy.c

Synthesized-from: CSRG/cd2/4.3tahoe

diff --git a/usr/src/new/X/libibm/libsrc/copy.c b/usr/src/new/X/libibm/libsrc/copy.c
new file mode 100644 (file)
index 0000000..34a5c8f
--- /dev/null
+++ b/usr/src/new/X/libibm/libsrc/copy.c
@@ -0,0 +1,70 @@
+#ifndef lint
+static char *rcsid_copy_c = "$Header: copy.c,v 10.1 86/11/19 10:40:31 jg Exp $";
+#endif lint
+/* copy.c - Copy one rectangular section of the screen buffer to another
+ *
+ *      CopyArea        Copies a rectangular section of the screen buffer
+ *
+ *     Author:
+ *             Scott Bates
+ *             Brown University
+ *             IRIS, Box 1946
+ *             Providence, RI 02912
+ *
+ *
+ *             Copyright (c) 1986 Brown University
+ *
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies, and that both
+ * that copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Brown University not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. Brown University makes no
+ * representations about the suitability of this software for any purpose.
+ * It is provided "as-is" without express or implied warranty.
+ */
+
+#include "private.h"
+#include "bitblt.h"
+
+/*
+ * Screen to screen copy
+ */
+
+CopyArea (srcx, srcy, width, height, dstx, dsty, clips, clipcount, func, zmask)
+        register srcx, srcy, dstx, dsty;
+       int clipcount, zmask, func;
+       int width, height; 
+        CLIP *clips;
+{
+       register Blt_Rectangle *source = &SrcRect;
+       register Blt_Rectangle *dest = &DstRect;
+
+#ifdef TRACE_X
+       fprintf(stderr, "In CopyArea\n");
+       fflush(stderr);
+#endif TRACE_X
+
+       /*
+        * Limit copy to one plane
+        */
+
+        if ((zmask & 1) == 0)
+               return;
+
+       /*
+        * Fill in source and destination rectangles
+        */
+
+        FillInRect(srcx, srcy, width, height, source);
+        FillInRect(dstx, dsty, width, height, dest);
+
+       /*
+        * Copy screen source to screen destination
+        */
+
+        CopyBits((u_short *) pbm.data, pbm.width, pbm.height, source,
+                 (u_short *) pbm.data, pbm.width, pbm.height, dest,
+                NILMASK, NIL, NIL, func, clipcount, clips);
+}