00001 /* $Id: gvtextlayout.c,v 1.23 2007/08/30 19:20:21 ellson Exp $ $Revision: 1.23 $ */ 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 * textlayout engine wrapper 00019 */ 00020 00021 #ifdef HAVE_CONFIG_H 00022 #include "config.h" 00023 #endif 00024 00025 #include "const.h" 00026 #include "gvplugin_textlayout.h" 00027 #include "gvcint.h" 00028 #include "gvcproc.h" 00029 00030 int gvtextlayout_select(GVC_t * gvc) 00031 { 00032 gvplugin_available_t *plugin; 00033 gvplugin_installed_t *typeptr; 00034 00035 plugin = gvplugin_load(gvc, API_textlayout, "textlayout"); 00036 if (plugin) { 00037 typeptr = plugin->typeptr; 00038 gvc->textlayout.engine = (gvtextlayout_engine_t *) (typeptr->engine); 00039 return GVRENDER_PLUGIN; /* FIXME - need more suitable success code */ 00040 } 00041 return NO_SUPPORT; 00042 } 00043 00044 boolean gvtextlayout(GVC_t *gvc, textpara_t *para, char **fontpath) 00045 { 00046 gvtextlayout_engine_t *gvte = gvc->textlayout.engine; 00047 00048 if (gvte && gvte->textlayout) 00049 return gvte->textlayout(para, fontpath); 00050 return FALSE; 00051 }