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Viewing changes to incr/basic.c

  • Committer: Bazaar Package Importer
  • Author(s): Stephen M Moraco
  • Date: 2002-02-05 18:52:12 UTC
  • Revision ID: james.westby@ubuntu.com-20020205185212-8i04c70te00rc40y
Tags: upstream-1.7.16
Import upstream version 1.7.16

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incr/basic.c
 
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/* Common functions for layout engines. */
 
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#include <engine.h>
 
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#ifdef DMALLOC
 
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#include "dmalloc.h"
 
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#endif
 
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engnode_t *il_nd(Agnode_t *n)
 
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{
 
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        return (engnode_t*)AGDATA(n);
 
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}
 
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engedge_t *il_ed(Agedge_t *e)
 
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{
 
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        return (engedge_t*)AGDATA(e);
 
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}
 
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ILnode_t *il_node(Agnode_t *n)
 
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{
 
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        return ((engnode_t*)(AGDATA(n)))->client;
 
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}
 
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ILedge_t *il_edge(Agedge_t *e)
 
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{
 
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        return ((engedge_t*)(AGDATA(e)))->client;
 
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}
 
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ilcoord_t il_pos(Agnode_t *n)
 
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{
 
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        return il_nd(n)->client->pos;
 
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}
 
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void il_set_pos(Agnode_t *n, ilcoord_t pos)
 
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{
 
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        il_nd(n)->client->pos = pos;
 
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}
 
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double il_edgewidth(engview_t *view, Agedge_t *e)
 
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{
 
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        ILedge_t    *spec;
 
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        spec = il_edge(e);
 
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        if (spec) return spec->width;
 
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        else return 0.0;
 
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}
 
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ilcoord_t il_nodesize(engview_t *view, Agnode_t *node)
 
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{
 
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        engnode_t              *nd;
 
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        ilcoord_t               rv;
 
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        if ((node) && ((nd = il_nd(node)))) {
 
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                if (NOT(nd->bb.valid)) {
 
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                        if (nd->client->shape)
 
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                                nd->bb.size = il_get_bounding_rect(nd->client->shape);
 
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                        else {
 
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                                nd->bb.size.ll.x = nd->bb.size.ll.y = nd->bb.size.ur.y = 0.0;
 
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                                nd->bb.size.ur.x = 2 * view->client->separation.x;
 
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                        }
 
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                        nd->bb.valid = TRUE;
 
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                }
 
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                rv.x = nd->bb.size.ur.x - nd->bb.size.ll.x;
 
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                rv.y = nd->bb.size.ur.y - nd->bb.size.ll.y;
 
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        }
 
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        else { rv.x = rv.y = 0.0; }
 
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        return rv;
 
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}
 
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ilcoord_t il_nodesep(engview_t *view)
 
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{
 
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        return view->client->separation;
 
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}