Graphviz: lib/gvc/gvtextlayout.c Source File

Graphviz 2.29.20120524.0446
00001 /* $Id$ $Revision$ */
00002 /* vim:set shiftwidth=4 ts=8: */
00003 
00004 /*************************************************************************
00005  * Copyright (c) 2011 AT&T Intellectual Property 
00006  * All rights reserved. This program and the accompanying materials
00007  * are made available under the terms of the Eclipse Public License v1.0
00008  * which accompanies this distribution, and is available at
00009  * http://www.eclipse.org/legal/epl-v10.html
00010  *
00011  * Contributors: See CVS logs. Details at http://www.graphviz.org/
00012  *************************************************************************/
00013 
00014 /*
00015  *  textlayout engine wrapper
00016  */
00017 
00018 #ifdef HAVE_CONFIG_H
00019 #include "config.h"
00020 #endif
00021 
00022 #include "const.h"
00023 #include "gvplugin_textlayout.h"
00024 #include "gvcint.h"
00025 #include "gvcproc.h"
00026 
00027 int gvtextlayout_select(GVC_t * gvc)
00028 {
00029     gvplugin_available_t *plugin;
00030     gvplugin_installed_t *typeptr;
00031 
00032     plugin = gvplugin_load(gvc, API_textlayout, "textlayout");
00033     if (plugin) {
00034         typeptr = plugin->typeptr;
00035         gvc->textlayout.engine = (gvtextlayout_engine_t *) (typeptr->engine);
00036         return GVRENDER_PLUGIN;  /* FIXME - need more suitable success code */
00037     }
00038     return NO_SUPPORT;
00039 }
00040 
00041 boolean gvtextlayout(GVC_t *gvc, textpara_t *para, char **fontpath)
00042 {
00043     gvtextlayout_engine_t *gvte = gvc->textlayout.engine;
00044 
00045     if (gvte && gvte->textlayout)
00046         return gvte->textlayout(para, fontpath);
00047     return FALSE;
00048 }