wolffd@0: /* $Id: gvc.h,v 1.65 2009/06/03 01:10:53 ellson Exp $ $Revision: 1.65 $ */
wolffd@0: /* vim:set shiftwidth=4 ts=8: */
wolffd@0: 
wolffd@0: /**********************************************************
wolffd@0: *      This software is part of the graphviz package      *
wolffd@0: *                http://www.graphviz.org/                 *
wolffd@0: *                                                         *
wolffd@0: *            Copyright (c) 1994-2004 AT&T Corp.           *
wolffd@0: *                and is licensed under the                *
wolffd@0: *            Common Public License, Version 1.0           *
wolffd@0: *                      by AT&T Corp.                      *
wolffd@0: *                                                         *
wolffd@0: *        Information and Software Systems Research        *
wolffd@0: *              AT&T Research, Florham Park NJ             *
wolffd@0: **********************************************************/
wolffd@0: 
wolffd@0: #ifndef			GVC_H
wolffd@0: #define			GVC_H
wolffd@0: 
wolffd@0: #include "types.h"
wolffd@0: #include "gvplugin.h"
wolffd@0: 
wolffd@0: #ifdef __cplusplus
wolffd@0: extern "C" {
wolffd@0: #endif
wolffd@0: 
wolffd@0: #ifdef GVDLL
wolffd@0: #define extern __declspec(dllexport)
wolffd@0: #else
wolffd@0: #define extern
wolffd@0: #endif
wolffd@0: 
wolffd@0: /*visual studio*/
wolffd@0: #ifdef WIN32_DLL
wolffd@0: #ifndef GVC_EXPORTS
wolffd@0: #define extern __declspec(dllimport)
wolffd@0: #endif
wolffd@0: #endif
wolffd@0: /*end visual studio*/
wolffd@0: 	
wolffd@0: /* misc */
wolffd@0: /* FIXME - this needs eliminating or renaming */
wolffd@0: extern void gvToggle(int);
wolffd@0: 
wolffd@0: /* set up a graphviz context */
wolffd@0: extern GVC_t *gvNEWcontext(const lt_symlist_t *builtins, int demand_loading);
wolffd@0: 
wolffd@0: /*  set up a graphviz context - and init graph - retaining old API */
wolffd@0: extern GVC_t *gvContext(void);
wolffd@0: /*  set up a graphviz context - and init graph - with builtins */
wolffd@0: extern GVC_t *gvContextPlugins(const lt_symlist_t *builtins, int demand_loading);
wolffd@0: 
wolffd@0: /* get information associated with a graphviz context */
wolffd@0: extern char **gvcInfo(GVC_t*);
wolffd@0: extern char *gvcVersion(GVC_t*);
wolffd@0: extern char *gvcBuildDate(GVC_t*);
wolffd@0: 
wolffd@0: /* parse command line args - minimally argv[0] sets layout engine */
wolffd@0: extern int gvParseArgs(GVC_t *gvc, int argc, char **argv);
wolffd@0: extern graph_t *gvNextInputGraph(GVC_t *gvc);
wolffd@0: extern graph_t *gvPluginsGraph(GVC_t *gvc);
wolffd@0: 
wolffd@0: /* Compute a layout using a specified engine */
wolffd@0: extern int gvLayout(GVC_t *gvc, graph_t *g, const char *engine);
wolffd@0: 
wolffd@0: /* Compute a layout using layout engine from command line args */
wolffd@0: extern int gvLayoutJobs(GVC_t *gvc, graph_t *g);
wolffd@0: 
wolffd@0: /* Render layout into string attributes of the graph */
wolffd@0: extern void attach_attrs(graph_t *g);
wolffd@0: 
wolffd@0: /* Parse an html string */
wolffd@0: #ifndef WITH_CGRAPH
wolffd@0: extern char *agstrdup_html(char *s);
wolffd@0: #endif
wolffd@0: extern int aghtmlstr(char *s);
wolffd@0: 
wolffd@0: /* Render layout in a specified format to an open FILE */
wolffd@0: extern int gvRender(GVC_t *gvc, graph_t *g, const char *format, FILE *out);
wolffd@0: 
wolffd@0: /* Render layout in a specified format to an open FILE */
wolffd@0: extern int gvRenderFilename(GVC_t *gvc, graph_t *g, const char *format, const char *filename);
wolffd@0: 
wolffd@0: /* Render layout in a specified format to an external context */
wolffd@0: extern int gvRenderContext(GVC_t *gvc, graph_t *g, const char *format, void *context);
wolffd@0: 
wolffd@0: /* Render layout in a specified format to a malloc'ed string */
wolffd@0: extern int gvRenderData(GVC_t *gvc, graph_t *g, const char *format, char **result, unsigned int *length);
wolffd@0: 
wolffd@0: /* Render layout according to -T and -o options found by gvParseArgs */
wolffd@0: extern int gvRenderJobs(GVC_t *gvc, graph_t *g);
wolffd@0: 
wolffd@0: /* Clean up layout data structures - layouts are not nestable (yet) */
wolffd@0: extern int gvFreeLayout(GVC_t *gvc, graph_t *g);
wolffd@0: 
wolffd@0: /* Clean up graphviz context */
wolffd@0: extern int gvFreeContext(GVC_t *gvc);
wolffd@0: 
wolffd@0: /** Add a library from your user application
wolffd@0:  * @param gvc Graphviz context to add library to
wolffd@0:  * @param lib library to add
wolffd@0:  */
wolffd@0: extern void gvAddLibrary(GVC_t *gvc, gvplugin_library_t *lib);
wolffd@0: 
wolffd@0: #undef extern
wolffd@0: 
wolffd@0: #ifdef __cplusplus
wolffd@0: }
wolffd@0: #endif
wolffd@0: 
wolffd@0: #endif			/* GVC_H */