| 1 | /* $Id$ $Revision$ */ |
| 2 | /* vim:set shiftwidth=4 ts=8: */ |
| 3 | |
| 4 | /************************************************************************* |
| 5 | * Copyright (c) 2011 AT&T Intellectual Property |
| 6 | * All rights reserved. This program and the accompanying materials |
| 7 | * are made available under the terms of the Eclipse Public License v1.0 |
| 8 | * which accompanies this distribution, and is available at |
| 9 | * http://www.eclipse.org/legal/epl-v10.html |
| 10 | * |
| 11 | * Contributors: See CVS logs. Details at http://www.graphviz.org/ |
| 12 | *************************************************************************/ |
| 13 | |
| 14 | /* |
| 15 | * graphics code generator wrapper |
| 16 | * |
| 17 | * This library forms the socket for run-time loadable loadimage plugins. |
| 18 | */ |
| 19 | |
| 20 | #include "config.h" |
| 21 | |
| 22 | #include <string.h> |
| 23 | |
| 24 | #include "const.h" |
| 25 | #include "gvplugin_loadimage.h" |
| 26 | #include "gvcint.h" |
| 27 | #include "gvcproc.h" |
| 28 | |
| 29 | /* for agerr() */ |
| 30 | #include "cgraph.h" |
| 31 | |
| 32 | static int gvloadimage_select(GVJ_t * job, char *str) |
| 33 | { |
| 34 | gvplugin_available_t *plugin; |
| 35 | gvplugin_installed_t *typeptr; |
| 36 | |
| 37 | plugin = gvplugin_load(job->gvc, API_loadimage, str); |
| 38 | if (plugin) { |
| 39 | typeptr = plugin->typeptr; |
| 40 | job->loadimage.engine = (gvloadimage_engine_t *) (typeptr->engine); |
| 41 | job->loadimage.id = typeptr->id; |
| 42 | return GVRENDER_PLUGIN; |
| 43 | } |
| 44 | return NO_SUPPORT; |
| 45 | } |
| 46 | |
| 47 | void gvloadimage(GVJ_t * job, usershape_t *us, boxf b, boolean filled, const char *target) |
| 48 | { |
| 49 | gvloadimage_engine_t *gvli; |
| 50 | char type[SMALLBUF]; |
| 51 | |
| 52 | assert(job); |
| 53 | assert(us); |
| 54 | assert(us->name); |
| 55 | assert(us->name[0]); |
| 56 | |
| 57 | strcpy(type, us->stringtype); |
| 58 | strcat(type, ":" ); |
| 59 | strcat(type, target); |
| 60 | |
| 61 | if (gvloadimage_select(job, type) == NO_SUPPORT) |
| 62 | agerr (AGWARN, "No loadimage plugin for \"%s\"\n" , type); |
| 63 | |
| 64 | if ((gvli = job->loadimage.engine) && gvli->loadimage) |
| 65 | gvli->loadimage(job, us, b, filled); |
| 66 | } |
| 67 | |