From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Wed, 8 Jul 2015 20:46:52 -0400
Subject: Initial commit

---
 sys/qpoe/qpsavewcs.x | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 sys/qpoe/qpsavewcs.x

(limited to 'sys/qpoe/qpsavewcs.x')

diff --git a/sys/qpoe/qpsavewcs.x b/sys/qpoe/qpsavewcs.x
new file mode 100644
index 00000000..35293d62
--- /dev/null
+++ b/sys/qpoe/qpsavewcs.x
@@ -0,0 +1,35 @@
+include	"qpoe.h"
+
+# QP_SAVEWCS -- Save the given WCS in the QPOE header, as a variable length
+# binary array (machine independent) in the default WCS parameter QPWCS.
+
+procedure qp_savewcs (qp, mw)
+
+pointer	qp				#I QPOE descriptor
+pointer	mw				#I MWCS descriptor
+
+pointer	bp
+int	buflen, nchars
+int	mw_save(), qp_accessf()
+errchk	mw_save, qp_accessf, qp_addf, qp_write
+string	s_opaque "opaque"
+string	s_qpwcs QPWCS
+
+begin
+	bp = NULL
+	buflen = 0
+
+	# Encode the WCS as a machine independent binary array.
+	nchars = mw_save (mw, bp, buflen)
+
+	# Save it in the QPOE header.
+	if (nchars > 0) {
+	    if (qp_accessf (qp, s_qpwcs) == NO)
+		call qp_addf (qp, s_qpwcs,
+		    s_opaque, 0, "World coordinate system", SF_INHERIT)
+	    call qp_write (qp, s_qpwcs, Memc[bp], nchars, 1, s_opaque)
+	}
+
+	if (bp != NULL)
+	    call mfree (bp, TY_CHAR)
+end
-- 
cgit