update ast 8.6.2

1 files changed, 98 insertions, 0 deletions

diff --git a/ast/grf_null.c b/ast/grf_null.c
new file mode 100644
index 0000000..ef7a97e
--- /dev/null
+++ b/ast/grf_null.c
@@ -0,0 +1,98 @@
+/*
+*  Name:
+*     grf_null.c
+
+*  Purpose:
+*     Implement the grf module if no graphics system is available.
+
+*  Description:
+*     This file implements the low level graphics functions required
+*     by the rest of AST, by reporting errors when called.
+
+*  Inheritance:
+*     This module is not a class and does not inherit.
+
+*  Copyright:
+*     Copyright (C) 1997-2006 Council for the Central Laboratory of the
+*     Research Councils
+
+*  Licence:
+*     This program is free software: you can redistribute it and/or
+*     modify it under the terms of the GNU Lesser General Public
+*     License as published by the Free Software Foundation, either
+*     version 3 of the License, or (at your option) any later
+*     version.
+*     
+*     This program is distributed in the hope that it will be useful,
+*     but WITHOUT ANY WARRANTY; without even the implied warranty of
+*     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*     GNU Lesser General Public License for more details.
+*     
+*     You should have received a copy of the GNU Lesser General
+*     License along with this program.  If not, see
+*     <http://www.gnu.org/licenses/>.
+
+*  Authors:
+*     DSB: David S. Berry (Starlink)
+
+*  History:
+*     23-OCT-1996 (DSB):
+*        Original version.
+*     13-NOV-1996 (DSB):
+*        Modified to issue error messages using astError instead of printf.
+*/
+
+/* Header files */
+/* ============ */
+#include "grf.h"           /* Declare the functions in this module */
+#include "error.h"         /* AST error reporting facilities */
+#include "ast_err.h"       /* AST error codes */
+
+/* Function Prototypes */
+/* =================== */
+static void Report( const char * );
+
+/* Function definitions */
+/* ==================== */
+int astGFlush( void ){
+   Report( "astGFlush");
+   return 0;
+}
+
+int astGLine( int n, const float *x, const float *y ){
+   Report( "astGLine" );
+   return 0;
+}
+
+int astGQch( float *chv, float *chh ){
+   Report( "astGQch" );
+   return 0;
+}
+
+int astGMark( int n, const float *x, const float *y, int type ){
+   Report( "astGMark" );
+   return 0;
+}
+
+int astGText( const char *text, float x, float y, const char *just,
+              float upx, float upy ){
+   Report( "astGText" );
+   return 0;
+}
+
+int astGTxExt( const char *text, float x, float y, const char *just,
+               float upx, float upy, float *xb, float *yb ){
+   Report( "astGTxExt" );
+   return 0;
+}
+
+int astGAttr( int attr, double value, double *old_value, int prim ){
+   Report( "astGAttr" );
+   return 0;
+}
+
+static void Report( const char *name ){
+   astError( AST__GRFER, "%s: No graphics facilities are available.", name );
+   astError( AST__GRFER, "Re-link using an option such as '-pgplot' with "
+             "the ast_link script." );
+}