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Diffstat (limited to 'ast/grf_2.0.c')
-rw-r--r-- | ast/grf_2.0.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/ast/grf_2.0.c b/ast/grf_2.0.c new file mode 100644 index 0000000..170c191 --- /dev/null +++ b/ast/grf_2.0.c @@ -0,0 +1,101 @@ +/* +* Name: +* grf_2.0.c + +* Purpose: +* Implement the grf module required by AST V2.0 if no graphics system +* is available. + +* Description: +* This file implements the low level graphics functions required +* by the rest of AST V2.0, 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. +* 23-NOV-2004 (DSB): +* Renamed from grf_null.c +*/ + +/* 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." ); +} |