00001 /* $Id: gvrenderint.h,v 1.1 2005/04/09 03:38:19 roxo Exp $ $Revision: 1.1 $ */ 00002 /* vim:set shiftwidth=4 ts=8: */ 00003 00004 /********************************************************** 00005 * This software is part of the graphviz package * 00006 * http://www.graphviz.org/ * 00007 * * 00008 * Copyright (c) 1994-2004 AT&T Corp. * 00009 * and is licensed under the * 00010 * Common Public License, Version 1.0 * 00011 * by AT&T Corp. * 00012 * * 00013 * Information and Software Systems Research * 00014 * AT&T Research, Florham Park NJ * 00015 **********************************************************/ 00016 00017 00018 /* Common header used by both clients and plugins */ 00019 00020 #ifndef GVRENDERINT_H 00021 #define GVRENDERINT_H 00022 00023 #ifdef __cplusplus 00024 extern "C" { 00025 #endif 00026 00027 #define GVRENDER_DOES_ARROWS (1<<0) 00028 #define GVRENDER_DOES_LAYERS (1<<1) 00029 #define GVRENDER_DOES_MULTIGRAPH_OUTPUT_FILES (1<<2) 00030 00031 typedef struct gvrender_job_s gvrender_job_t; 00032 00033 struct gvrender_job_s { 00034 gvrender_job_t *next; 00035 char *output_filename; 00036 char *output_langname; 00037 FILE *output_file; 00038 void *interim_output; 00039 int output_lang; 00040 }; 00041 00042 typedef struct gv_plugin_s gv_plugin_t; 00043 00044 struct gv_plugin_s { 00045 gv_plugin_t *next; 00046 int handle; 00047 char *path; 00048 char *type; 00049 void *fn; 00050 }; 00051 00052 struct GVC_s { 00053 /* gvNEWcontext() */ 00054 char *user; 00055 char **info; 00056 /* gvrender_config() */ 00057 gvrender_job_t *jobs; /* linked list of jobs */ 00058 gvrender_job_t *job; /* current job */ 00059 /* renderer plugins */ 00060 int next_renderer_handle; /* unique integer handle assigned to renderers on install */ 00061 gv_plugin_t *renderers; /* alpha-sorted linked list of renderers */ 00062 /* gvrender_begin_job() */ 00063 gvrender_engine_t *render_engine; 00064 #if ENABLE_CODEGENS 00065 codegen_t *codegen; 00066 #endif 00067 char **lib; 00068 point pages; 00069 /* gvrender_begin_graph() */ 00070 graph_t *g; 00071 box bb; 00072 point pb; 00073 point size; /* viewport size (pixels) */ 00074 double zoom; /* viewport zoom factor */ 00075 pointf focus; /* viewport focus in graph units */ 00076 boolean onetime; 00077 /* gvrender_begin_page() */ 00078 point page; 00079 double scale; 00080 int rot; 00081 point offset; 00082 /* gvrender_begin_layer() */ 00083 char *layerName; 00084 int layer; 00085 int nLayers; 00086 /* gvrender_begin_cluster() */ 00087 graph_t *sg; 00088 /* gvrender_begin_node() */ 00089 node_t *n; 00090 /* gvrender_begin_edge() */ 00091 edge_t *e; 00092 }; 00093 00094 #ifdef __cplusplus 00095 } 00096 #endif 00097 #endif