lib/gvc/gvc.c File Reference

#include "gvc.h"
#include "const.h"
#include "gvcjob.h"
#include "gvcint.h"
#include "gvcproc.h"
#include "gvconfig.h"
#include "gvio.h"
#include <stdlib.h>

Include dependency graph for gvc.c:

Go to the source code of this file.

Defines
#define	OUTPUT_DATA_INITIAL_ALLOCATION   4096
Functions
GVC_t *	gvContext (void)
GVC_t *	gvContextPlugins (const lt_symlist_t *builtins, int demand_loading)
int	gvLayout (GVC_t *gvc, graph_t *g, const char *engine)
int	gvRender (GVC_t *gvc, graph_t *g, const char *format, FILE *out)
int	gvRenderFilename (GVC_t *gvc, graph_t *g, const char *format, const char *filename)
int	gvRenderContext (GVC_t *gvc, graph_t *g, const char *format, void *context)
int	gvRenderData (GVC_t *gvc, graph_t *g, const char *format, char **result, unsigned int *length)
void	gvAddLibrary (GVC_t *gvc, gvplugin_library_t *lib)
char **	gvcInfo (GVC_t *gvc)
char *	gvcVersion (GVC_t *gvc)
char *	gvcBuildDate (GVC_t *gvc)

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Define Documentation

#define OUTPUT_DATA_INITIAL_ALLOCATION   4096

Referenced by gvRenderData().

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Function Documentation

void gvAddLibrary	(	GVC_t *	gvc,
		gvplugin_library_t *	lib
	)

Add a library from your user application

Parameters:

gvc	Graphviz context to add library to
lib	library to add

Definition at line 256 of file gvc.c.

References gvconfig_plugin_install_from_library(), and NULL.

char* gvcBuildDate

(

GVC_t *

gvc

)

Definition at line 263 of file gvc.c.

References GVC_s::common, and GVCOMMON_s::info.

char** gvcInfo

(

GVC_t *

gvc

)

Definition at line 261 of file gvc.c.

References GVC_s::common, and GVCOMMON_s::info.

GVC_t* gvContext

(

void

)

Definition at line 43 of file gvc.c.

References aginit, agnodeattr, NULL, NODENAME_ESC, agattr(), AGNODE, gvNEWcontext(), TRUE, gvconfig(), and FALSE.

GVC_t* gvContextPlugins	(	const lt_symlist_t *	builtins,
		int	demand_loading
	)

Definition at line 59 of file gvc.c.

References aginit, agnodeattr, NULL, NODENAME_ESC, agattr(), AGNODE, gvNEWcontext(), gvconfig(), and FALSE.

Referenced by main().

char* gvcVersion

(

GVC_t *

gvc

)

Definition at line 262 of file gvc.c.

References GVC_s::common, and GVCOMMON_s::info.

int gvLayout	(	GVC_t *	gvc,
		graph_t *	g,
		const char *	engine
	)

Definition at line 81 of file gvc.c.

References gvlayout_select(), NO_SUPPORT, agerr(), AGERR, gvplugin_list(), gvLayoutJobs(), GD_drawing, ROUND, GD_bb, and agsafeset().

Referenced by layout().

int gvRender	(	GVC_t *	gvc,
		graph_t *	g,
		const char *	format,
		FILE *	out
	)

Definition at line 112 of file gvc.c.

References gvjobs_output_langname(), GVC_s::job, NO_SUPPORT, agerr(), AGERR, gvplugin_list(), GVJ_s::output_lang, gvrender_select(), GVJ_s::output_langname, GD_drawing, GVJ_s::flags, LAYOUT_NOT_REQUIRED, GVJ_s::output_file, NULL, OUTPUT_NOT_REQUIRED, gvRenderJobs(), gvrender_end_job(), and gvjobs_delete().

Referenced by render(), renderchannel(), and renderresult().

int gvRenderContext	(	GVC_t *	gvc,
		graph_t *	g,
		const char *	format,
		void *	context
	)

Definition at line 175 of file gvc.c.

References gvjobs_output_langname(), GVC_s::job, NO_SUPPORT, agerr(), AGERR, gvplugin_list(), GVJ_s::output_lang, gvrender_select(), GVJ_s::output_langname, GD_drawing, GVJ_s::flags, LAYOUT_NOT_REQUIRED, GVJ_s::context, GVJ_s::external_context, TRUE, gvRenderJobs(), gvrender_end_job(), gvdevice_finalize(), and gvjobs_delete().

int gvRenderData	(	GVC_t *	gvc,
		graph_t *	g,
		const char *	format,
		char **	result,
		unsigned int *	length
	)

Definition at line 209 of file gvc.c.

References gvjobs_output_langname(), GVC_s::job, NO_SUPPORT, agerr(), AGERR, gvplugin_list(), GVJ_s::output_lang, gvrender_select(), GVJ_s::output_langname, GD_drawing, GVJ_s::flags, LAYOUT_NOT_REQUIRED, malloc(), OUTPUT_DATA_INITIAL_ALLOCATION, GVJ_s::output_data, GVJ_s::output_data_allocated, GVJ_s::output_data_position, gvRenderJobs(), gvrender_end_job(), and gvjobs_delete().

Referenced by renderdata().

int gvRenderFilename	(	GVC_t *	gvc,
		graph_t *	g,
		const char *	format,
		const char *	filename
	)

Definition at line 144 of file gvc.c.

References gvjobs_output_langname(), GVC_s::job, NO_SUPPORT, agerr(), AGERR, gvplugin_list(), GVJ_s::output_lang, gvrender_select(), GVJ_s::output_langname, GD_drawing, GVJ_s::flags, LAYOUT_NOT_REQUIRED, gvjobs_output_filename(), gvRenderJobs(), gvrender_end_job(), gvdevice_finalize(), and gvjobs_delete().

Referenced by render().