Graphviz: lib/fdpgen/layout.c File Reference

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#include "config.h"
#include <assert.h>
#include <float.h>
#include <limits.h>
#include <inttypes.h>
#include <cgraph/alloc.h>
#include <cgraph/list.h>
#include <cgraph/startswith.h>
#include <fdpgen/tlayout.h>
#include <math.h>
#include <neatogen/neatoprocs.h>
#include <neatogen/adjust.h>
#include <fdpgen/comp.h>
#include <pack/pack.h>
#include <fdpgen/clusteredges.h>
#include <fdpgen/dbg.h>
#include <stddef.h>
#include <stdbool.h>

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Data Structures
struct	layout_info

struct	erec

Macros
#define	FDP_PRIVATE 1

#define	NEW_EDGE(e) (ED_to_virt(e) == 0)

#define	BSZ 1000

#define	ANG (M_PI/90) /* Maximum angular change: 2 degrees */

Functions
static void	finalCC (graph_t g, size_t c_cnt, graph_t cc, pointf pts, graph_t rg, layout_info infop)

static node_t *	mkDeriveNode (graph_t dg, char name)

static void	freeDeriveNode (node_t *n)

static void	freeGData (graph_t *g)

static void	freeDerivedGraph (graph_t g, graph_t *cc)

static void	evalPositions (graph_t g, graph_t rootg)

static char *	portName (graph_t g, bport_t p)

static void	chkPos (graph_t g, node_t n, layout_info infop, boxf bbp)

static void	addEdge (edge_t de, edge_t e)

static void	copyAttr (graph_t g, graph_t dg, char *attr)

static graph_t *	deriveGraph (graph_t g, layout_info infop)

static int	ecmp (const void v1, const void v2)

static erec *	getEdgeList (node_t n, graph_t g)

static int	genPorts (node_t n, erec er, bport_t *pp, int idx, double bnd)

static graph_t *	expandCluster (node_t n, graph_t cg)

static void	setClustNodes (graph_t *root)

static int	layout (graph_t g, layout_info infop)

static void	setBB (graph_t *g)

static void	init_info (graph_t g, layout_info infop)

static void	mkClusters (graph_t g, clist_t pclist, graph_t *parent)

static void	fdp_init_graph (Agraph_t *g)

static int	fdpLayout (graph_t *g)

static void	fdpSplines (graph_t *g)

void	fdp_layout (graph_t *g)

Macro Definition Documentation

◆ ANG

#define ANG (M_PI/90) /* Maximum angular change: 2 degrees */

Definition at line 550 of file layout.c.

◆ BSZ

#define BSZ 1000

Definition at line 276 of file layout.c.

◆ FDP_PRIVATE

#define FDP_PRIVATE 1

Definition at line 29 of file layout.c.

◆ NEW_EDGE

#define NEW_EDGE ( e ) (ED_to_virt(e) == 0)

Definition at line 66 of file layout.c.

Function Documentation

◆ addEdge()

static void addEdge	(	edge_t *	de,
		edge_t *	e
	)

static

Definition at line 348 of file layout.c.

References cnt(), ED_count, ED_to_virt, and gv_recalloc().

Referenced by deriveGraph(), and getval().

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◆ chkPos()

static void chkPos	(	graph_t *	g,
		node_t *	n,
		layout_info *	infop,
		boxf *	bbp
	)

static

Definition at line 305 of file layout.c.

References agnameof(), agparent(), agwarningf(), agxget(), layout_info::G_coord, boxf::LL, ND_pinned, P_FIX, P_PIN, P_SET, parent, PSinputscale, layout_info::rootg, boxf::UR, pointf_s::x, and pointf_s::y.

Referenced by deriveGraph().

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◆ copyAttr()

static void copyAttr	(	graph_t *	g,
		graph_t *	dg,
		char *	attr
	)

static

Definition at line 364 of file layout.c.

References agattr(), AGRAPH, agxget(), agxset(), and NULL.

Referenced by deriveGraph(), and getval().

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◆ deriveGraph()

static graph_t * deriveGraph	(	graph_t *	g,
		layout_info *	infop
	)

static

Definition at line 386 of file layout.c.

References addEdge(), agbindrec(), agedge(), agerrorf(), agfstnode(), agfstout(), aghead, agnameof(), agnxtnode(), agnxtout(), agopen(), agroot(), Agstrictdirected, chkPos(), copyAttr(), DNODE, do_graph_label(), ED_dist, ED_factor, layout_info::G_coord, GD_alg, GD_clust, GD_n_cluster, GD_ndim, layout_info::gid, gv_alloc(), gv_calloc(), IS_CLUST_NODE, boxf::LL, mkDeriveNode(), ND_clust, ND_height, ND_ht, ND_id, ND_lw, ND_pinned, ND_pos, ND_rw, ND_shape, ND_shape_info, ND_width, NEW_EDGE, NULL, PARENT, portName(), pq, boxf::UR, Verbose, pointf_s::x, and pointf_s::y.

Referenced by layout().

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◆ ecmp()

static int ecmp	(	const void *	v1,
		const void *	v2
	)

static

Definition at line 534 of file layout.c.

References erec::alpha, and erec::dist2.

Referenced by getEdgeList().

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◆ evalPositions()

static void evalPositions	(	graph_t *	g,
		graph_t *	rootg
	)

static

Definition at line 239 of file layout.c.

References agfstnode(), agnxtnode(), evalPositions(), GD_clust, GD_n_cluster, boxf::LL, ND_pos, PARENT, boxf::UR, pointf_s::x, and pointf_s::y.

Referenced by evalPositions(), and fdpLayout().

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◆ expandCluster()

static graph_t * expandCluster	(	node_t *	n,
		graph_t *	cg
	)

static

Definition at line 672 of file layout.c.

References erec::alpha, cg(), erec::e, free(), genPorts(), getEdgeList(), gv_calloc(), M_PI, and ND_clust.

Referenced by layout().

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◆ fdp_init_graph()

static void fdp_init_graph ( Agraph_t * g )

static

Definition at line 1019 of file layout.c.

References agattr(), AGRAPH, agroot(), EDGETYPE_LINE, fdp_init_node_edge(), fdp_initParams(), GD_alg, GD_ndim, gv_alloc(), late_int(), MAXDIM, MIN, mkClusters(), Ndim, NULL, and setEdgeType().

Referenced by fdp_layout().

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◆ fdp_layout()

void fdp_layout ( graph_t * g )

Definition at line 1080 of file layout.c.

References EDGE_TYPE, EDGETYPE_NONE, fdp_init_graph(), fdpLayout(), fdpSplines(), get_inputscale(), gv_postprocess(), neato_set_aspect(), and PSinputscale.

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◆ fdpLayout()

static int fdpLayout ( graph_t * g )

static

Definition at line 1031 of file layout.c.

References evalPositions(), init_info(), layout(), setBB(), and setClustNodes().

Referenced by fdp_layout().

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◆ fdpSplines()

static void fdpSplines ( graph_t * g )

static

Definition at line 1053 of file layout.c.

References agwarningf(), compoundEdges(), EDGE_TYPE, EDGETYPE_COMPOUND, EDGETYPE_LINE, EDGETYPE_ORTHO, EDGETYPE_SPLINE, GVSPLINES, HAS_CLUST_EDGE, Nop, spline_edges1(), splineEdges(), and State.

Referenced by fdp_layout().

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◆ finalCC()

static void finalCC	(	graph_t *	g,
		size_t	c_cnt,
		graph_t **	cc,
		pointf *	pts,
		graph_t *	rg,
		layout_info *	infop
	)

static

Definition at line 77 of file layout.c.

References agfstnode(), agnxtnode(), BOTTOM_IX, cg(), CL_OFFSET, DEFAULT_NODEHEIGHT, DEFAULT_NODEWIDTH, del(), layout_info::G_height, G_margin, layout_info::G_width, GD_bb, GD_border, GD_label, late_int(), boxf::LL, ND_pos, POINTS, PS2INCH, layout_info::rootg, TOP_IX, boxf::UR, pointf_s::x, and pointf_s::y.

Referenced by layout().

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◆ freeDerivedGraph()

static void freeDerivedGraph	(	graph_t *	g,
		graph_t **	cc
	)

static

Definition at line 204 of file layout.c.

References agclose(), agdelrec(), agfstnode(), agfstout(), agnxtnode(), agnxtout(), cg(), ED_to_virt, free(), freeDeriveNode(), and freeGData().

Referenced by layout().

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◆ freeDeriveNode()

static void freeDeriveNode ( node_t * n )

static

Definition at line 192 of file layout.c.

References agdelrec(), free(), ND_alg, and ND_pos.

Referenced by freeDerivedGraph().

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◆ freeGData()

static void freeGData ( graph_t * g )

static

Definition at line 199 of file layout.c.

References free(), and GD_alg.

Referenced by freeDerivedGraph().

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◆ genPorts()

static int genPorts	(	node_t *	n,
		erec *	er,
		bport_t *	pp,
		int	idx,
		double	bnd
	)

static

Definition at line 623 of file layout.c.

References aghead, agtail, erec::alpha, ANG, cnt(), delta, DNODE, erec::e, ED_count, and ED_to_virt.

Referenced by expandCluster().

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◆ getEdgeList()

static erec * getEdgeList	(	node_t *	n,
		graph_t *	g
	)

static

Definition at line 557 of file layout.c.

References agfstedge(), aghead, agnxtedge(), agtail, alpha, erec::alpha, ANG, delta, erec::dist2, dx, dy, erec::e, ecmp(), gv_calloc(), M_PI, and ND_pos.

Referenced by expandCluster().

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◆ init_info()

static void init_info	(	graph_t *	g,
		layout_info *	infop
	)

static

Definition at line 960 of file layout.c.

References agattr(), AGRAPH, CL_OFFSET, layout_info::G_coord, layout_info::G_height, layout_info::G_width, getPackInfo(), layout_info::gid, l_node, pack_info::mode, NULL, layout_info::pack, and layout_info::rootg.

Referenced by fdpLayout().

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◆ layout()

static int layout	(	graph_t *	g,
		layout_info *	infop
	)

static

Definition at line 809 of file layout.c.

References agdelete(), agfstnode(), agnameof(), agnnodes(), agnxtnode(), cg(), compute_bb(), deriveGraph(), DNODE, expandCluster(), fdp_tLayout(), fdp_xLayout(), finalCC(), findCComp(), pack_info::fixed, free(), freeDerivedGraph(), gv_calloc(), layout(), ND_clust, ND_height, ND_ht, ND_lw, ND_pos, ND_rw, ND_width, normalize(), NULL, layout_info::pack, POINTS_PER_INCH, putGraphs(), layout_info::rootg, Verbose, pointf_s::x, and pointf_s::y.

Referenced by btn_clicked(), dotneato_args_initialize(), fdpLayout(), gdiplus_free_layout(), gdiplus_textlayout(), gdiplusgen_textspan(), get_pango_layout(), glCompCreatePangoTexture(), gvevent_layout(), gvevent_read(), gvlayout_select(), layout(), pango_free_layout(), pango_textlayout(), and quartzgen_textspan().

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◆ mkClusters()

static void mkClusters	(	graph_t *	g,
		clist_t *	pclist,
		graph_t *	parent
	)

static

Definition at line 978 of file layout.c.

References agbindrec(), agfstsubg(), agnameof(), agnxtsubg(), agroot(), GD_alg, GD_clust, GD_n_cluster, GD_ndim, gv_alloc(), mkClusters(), NULL, parent, and startswith().

Referenced by fdp_init_graph(), and mkClusters().

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◆ mkDeriveNode()

static node_t * mkDeriveNode	(	graph_t *	dg,
		char *	name
	)

static

Definition at line 180 of file layout.c.

References agbindrec(), agnode(), GD_ndim, gv_alloc(), gv_calloc(), ND_alg, and ND_pos.

Referenced by deriveGraph().

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◆ portName()

static char * portName	(	graph_t *	g,
		bport_t *	p
	)

static

Definition at line 285 of file layout.c.

References aghead, agnameof(), AGSEQ, agtail, BSZ, and ND_id.

Referenced by deriveGraph().

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◆ setBB()

static void setBB ( graph_t * g )

static

Definition at line 941 of file layout.c.

References GD_bb, GD_clust, GD_n_cluster, boxf::LL, POINTS_PER_INCH, setBB(), boxf::UR, pointf_s::x, and pointf_s::y.

Referenced by fdpLayout(), and setBB().

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◆ setClustNodes()

static void setClustNodes ( graph_t * root )

static

Definition at line 727 of file layout.c.

References agfstnode(), agnxtnode(), DEFAULT_NODEPENWIDTH, INCH2PS, IS_CLUST_NODE, late_int(), boxf::LL, MIN_NODEPENWIDTH, N_penwidth, ND_height, ND_ht, ND_lw, ND_outline_height, ND_outline_width, ND_pos, ND_rw, ND_shape_info, ND_width, PARENT, penwidth, boxf::UR, pointf_s::x, and pointf_s::y.

Referenced by fdpLayout().

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Data Structures

Macros

Functions

Macro Definition Documentation

◆ ANG

◆ BSZ

◆ FDP_PRIVATE

◆ NEW_EDGE

Function Documentation

◆ addEdge()

◆ chkPos()

◆ copyAttr()

◆ deriveGraph()

◆ ecmp()

◆ evalPositions()

◆ expandCluster()

◆ fdp_init_graph()

◆ fdp_layout()

◆ fdpLayout()

◆ fdpSplines()

◆ finalCC()

◆ freeDerivedGraph()

◆ freeDeriveNode()

◆ freeGData()

◆ genPorts()

◆ getEdgeList()

◆ init_info()

◆ layout()

◆ mkClusters()

◆ mkDeriveNode()

◆ portName()

◆ setBB()

◆ setClustNodes()