Graphviz: lib/common/utils.h File Reference

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#include "config.h"
#include <cgraph/agxbuf.h>
#include <stdbool.h>
#include <stddef.h>

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Data Structures
struct	xml_flags_t

Functions
pointf	Bezier (pointf , double, pointf , pointf *)

void	attach_attrs_and_arrows (graph_t , bool , bool *)

int	xml_escape (const char s, xml_flags_t flags, int(cb)(void state, const char s), void *state)

void	write_plain (GVJ_t job, graph_t g, FILE *f, bool extend)

double	yDir (double y)

char *	ps_string (char *s, int)

char *	strdup_and_subst_obj (char str, void obj)

void	epsf_emit_body (GVJ_t job, usershape_t us)

void	epsf_define (GVJ_t *job)

void	undoClusterEdges (graph_t *g)

Dt_t *	mkClustMap (Agraph_t *g)

Agraph_t *	findCluster (Dt_t map, char name)

attrsym_t *	safe_dcl (graph_t g, int obj_kind, char name, char *defaultValue)

int	late_int (void obj, Agsym_t attr, int defaultValue, int minimum)

double	late_double (void obj, Agsym_t attr, double defaultValue, double minimum)

char *	late_nnstring (void obj, Agsym_t attr, char *defaultValue)

char *	late_string (void obj, Agsym_t attr, char *defaultValue)

bool	late_bool (void obj, Agsym_t attr, bool defaultValue)

double	get_inputscale (graph_t *g)

Agnode_t *	UF_find (Agnode_t *)

Agnode_t *	UF_union (Agnode_t , Agnode_t )

void	UF_singleton (Agnode_t *)

void	UF_setname (Agnode_t , Agnode_t )

const char *	safefile (const char *filename)

bool	mapBool (const char *p, bool defaultValue)

bool	mapbool (const char *p)

int	maptoken (char , char , int )

bool	findStopColor (char colorlist, char clrs[2], double *frac)

int	test_toggle (void)

void	common_init_node (node_t *n)

void	common_init_edge (edge_t *e)

void	updateBB (graph_t g, textlabel_t lp)

void	compute_bb (Agraph_t *)

boxf	polyBB (polygon_t *poly)

bool	overlap_node (node_t *n, boxf b)

bool	overlap_label (textlabel_t *lp, boxf b)

bool	overlap_edge (edge_t *e, boxf b)

void	get_gradient_points (pointf A, pointf G, size_t n, double angle, int flags)

void	processClusterEdges (graph_t *g)

char *	latin1ToUTF8 (char *)
	Converts string from Latin1 encoding to utf8. Also translates HTML entities.

char *	htmlEntityUTF8 (char , graph_t g)

char *	utf8ToLatin1 (char *ins)

char *	scanEntity (char t, agxbuf xb)

pointf	dotneato_closest (splines *spl, pointf p)

Agsym_t *	setAttr (graph_t , void , char name, char value, Agsym_t *)

void	setEdgeType (graph_t *g, int defaultValue)

bool	is_a_cluster (Agraph_t *g)

void	gv_nodesize (Agnode_t *n, bool flip)

double	drand48 (void)

void	start_timer (void)

double	elapsed_sec (void)

void	cat_libfile (GVJ_t job, const char arglib, const char *stdlib)

Function Documentation

◆ attach_attrs_and_arrows()

void attach_attrs_and_arrows	(	graph_t *	g,
		bool *	sp,
		bool *	ep
	)

Definition at line 229 of file output.c.

References AGEDGE, agfstnode(), agfstout(), agget(), AGNODE, agnxtnode(), agnxtout(), AGRAPH, agset(), agxbfree(), agxbpop(), agxbprint(), agxbputc(), agxbuse(), agxset(), ED_edge_type, ED_head_label, ED_label, ED_spl, ED_tail_label, ED_xlabel, EDGE_LABEL, EDGE_XLABEL, GD_has_labels, GD_odim, GRAPH_LABEL, gv_fixLocale(), GVSPLINES, HAS_CLUST_EDGE, HEAD_LABEL, IGNORED, isPolygon(), M_PI, N_height, N_vertices, N_width, ND_coord, ND_height, ND_ht, ND_lw, ND_pos, ND_rw, ND_shape, ND_shape_info, ND_width, ND_xlabel, NODE_XLABEL, NULL, POINTS_PER_INCH, PS2INCH, rec_attach_bb(), safe_dcl(), set_record_rects(), setYInvert(), State, TAIL_LABEL, undoClusterEdges(), pointf_s::x, pointf_s::y, YDIR, and YFDIR.

Referenced by attach_attrs(), and dot_begin_graph().

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◆ Bezier()

pointf Bezier	(	pointf *	V,
		double	t,
		pointf *	Left,
		pointf *	Right
	)

Definition at line 169 of file utils.c.

◆ cat_libfile()

void cat_libfile	(	GVJ_t *	job,
		const char **	arglib,
		const char **	stdlib
	)

Definition at line 134 of file psusershape.c.

References agwarningf(), gvputs(), gvwrite(), and safefile().

Referenced by lasi_begin_graph(), lasi_end_page(), psgen_begin_graph(), and psgen_end_page().

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◆ common_init_edge()

void common_init_edge ( edge_t * e )

Definition at line 505 of file utils.c.

References agget(), aghead, aghtmlstr(), agraphof(), agtail, agxget(), chkPort(), E_headclip, E_headlabel, E_label, E_label_float, E_tailclip, E_taillabel, E_xlabel, ED_head_label, ED_head_port, ED_label, ED_label_ontop, ED_tail_label, ED_tail_port, ED_xlabel, EDGE_LABEL, EDGE_XLABEL, fontinfo::fontcolor, fontinfo::fontname, fontinfo::fontsize, GD_has_labels, HEAD_ID, HEAD_LABEL, initFontEdgeAttr(), initFontLabelEdgeAttr(), late_string(), LT_HTML, LT_NONE, make_label(), mapbool(), ND_has_port, ND_shape, noClip(), NULL, str, TAIL_ID, and TAIL_LABEL.

Referenced by circular_init_edge(), cluster_init_graph(), dot_init_edge(), init_edge(), init_node_edge(), neato_init_edge(), sfdp_init_edge(), and twopi_init_edge().

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◆ common_init_node()

void common_init_node ( node_t * n )

Definition at line 422 of file utils.c.

References aghtmlstr(), agraphof(), agxget(), bind_shape(), DEFAULT_COLOR, DEFAULT_FONTNAME, DEFAULT_FONTSIZE, DEFAULT_NODEHEIGHT, DEFAULT_NODESHAPE, DEFAULT_NODEWIDTH, fontinfo::fontcolor, fontinfo::fontname, fontinfo::fontsize, GD_has_labels, imin(), late_double(), late_int(), late_nnstring(), LT_HTML, LT_NONE, LT_RECD, make_label(), MIN_FONTSIZE, MIN_NODEHEIGHT, MIN_NODEWIDTH, N_fontcolor, N_fontname, N_fontsize, N_height, N_label, N_shape, N_showboxes, N_width, N_xlabel, ND_height, ND_label, ND_shape, ND_showboxes, ND_width, ND_xlabel, NODE_XLABEL, SH_RECORD, shapeOf(), and str.

Referenced by dot_init_node(), finishNode(), init_node(), and neato_init_node().

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◆ compute_bb()

void compute_bb ( graph_t * g )

Compute bounding box of g using nodes, splines, and clusters. Assumes bb of clusters already computed. store in GD_bb.

Definition at line 629 of file utils.c.

References add_pointf(), addLabelBB(), AGDATA, agfstnode(), agfstout(), agnnodes(), agnxtnode(), agnxtout(), B2BF, coord(), ED_head_label, ED_label, ED_spl, ED_tail_label, ED_xlabel, EXPANDBB, EXPANDBP, GD_bb, GD_clust, GD_flip, GD_label, GD_n_cluster, boxf::LL, ND_xlabel, ND_xsize, ND_ysize, sub_pointf(), boxf::UR, pointf_s::x, and pointf_s::y.

Referenced by doEdges(), init_nop(), layout(), neato_layout(), packSubgraphs(), polyGraphs(), putGraphs(), and spline_edges().

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◆ dotneato_closest()

pointf dotneato_closest	(	splines *	spl,
		pointf	p
	)

Definition at line 341 of file utils.c.

References Bezier(), DIST2, bezier::list, splines::list, NULL, bezier::size, splines::size, SIZE_MAX, pointf_s::x, and pointf_s::y.

Referenced by edgeMidpoint(), and emit_attachment().

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◆ drand48()

double drand48 ( void )

Definition at line 1570 of file utils.c.

Referenced by eval(), generateRandomOrdering(), initLayout(), initPositions(), jitter_d(), move_node(), randompos(), and stress_majorization_kD_mkernel().

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◆ elapsed_sec()

double elapsed_sec ( void )

Definition at line 48 of file timing.c.

References DIFF_IN_SECS, GET_TIME, S, and T.

Referenced by cleanup2(), diffeq_model(), init_xdot(), majorization(), rank2(), routesplinesterm(), sgd(), shortest_path(), solve_model(), and stress_majorization_kD_mkernel().

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◆ epsf_define()

void epsf_define ( GVJ_t * job )

Definition at line 207 of file psusershape.c.

References dtfirst, dtnext, EPSF_contents, epsf_emit_body(), gvprintf(), and gvputs().

Referenced by lasi_begin_graph(), and psgen_begin_graph().

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◆ epsf_emit_body()

void epsf_emit_body	(	GVJ_t *	job,
		usershape_t *	us
	)

Definition at line 183 of file psusershape.c.

References usershape_s::data, and gvputc().

Referenced by core_loadimage_ps(), epsf_define(), and lasi_loadimage_ps().

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◆ findCluster()

Agraph_t * findCluster	(	Dt_t *	map,
		char *	name
	)

Definition at line 1622 of file utils.c.

References clust_t::clp, dtmatch, and NULL.

Referenced by getCluster(), and mapc().

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◆ findStopColor()

bool findStopColor	(	char *	colorlist,
		char *	clrs[2],
		double *	frac
	)

Definition at line 4038 of file emit.c.

References agwarningf(), colorseg_t::color, freeSegs(), gv_calloc(), colorseg_t::hasFraction, NULL, colorsegs_t::numc, parseSegs(), colorsegs_t::segs, and colorseg_t::t.

Referenced by emit_background(), emit_clusters(), poly_gencode(), record_gencode(), and setFill().

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◆ get_gradient_points()

void get_gradient_points	(	pointf *	A,
		pointf *	G,
		size_t	n,
		double	angle,
		int	flags
	)

Evaluates the extreme points of an ellipse or polygon Determines the point at the center of the extreme points If isRadial is true,sets the inner radius to half the distance to the min point; else uses the angle parameter to identify two points on a line that defines the gradient direction By default, this assumes a left-hand coordinate system (for svg); if RHS = 2 flag is set, use standard coordinate system.

Definition at line 1466 of file utils.c.

References A, center(), flags, G, MAX, MIN, point::x, pointf_s::x, point::y, and pointf_s::y.

Referenced by cairo_gradient_fill(), svg_gradstyle(), and xdot_gradient_fillcolor().

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◆ get_inputscale()

double get_inputscale ( graph_t * g )

Return value for PSinputscale. If this is > 0, it has been set on the command line and this value is used. Otherwise, we check the graph's inputscale attribute. If this is not set or has a bad value, we return -1. If the value is 0, we return the default. Otherwise, we return the value. Set but negative values are treated like 0.

Definition at line 71 of file utils.c.

References agfindgraphattr, is_exactly_zero(), late_double(), POINTS_PER_INCH, and PSinputscale.

Referenced by fdp_layout(), and neato_layout().

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◆ gv_nodesize()

void gv_nodesize	(	Agnode_t *	n,
		bool	flip
	)

Definition at line 1556 of file utils.c.

References INCH2PS, ND_height, ND_ht, ND_lw, ND_rw, and ND_width.

Referenced by dot_init_node(), init_node(), neato_init_node(), translate_drawing(), and walkTree().

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◆ htmlEntityUTF8()

char * htmlEntityUTF8	(	char *	s,
		graph_t *	g
	)

substitute html entities like: { and: & with the UTF8 equivalents check for invalid utf8. If found, treat a single byte as Latin-1, convert it to utf8 and warn the user.

Definition at line 1199 of file utils.c.

References agnameof(), agwarningf(), agxbdisown(), agxbputc(), cvtAndAppend(), and htmlEntity().

Referenced by make_html_label(), make_label(), and preprocessTooltip().

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◆ is_a_cluster()

bool is_a_cluster ( Agraph_t * g )

Definition at line 691 of file utils.c.

References agget(), agnameof(), mapbool(), and Agraph_s::root.

Referenced by cloneSubg(), cntCluster(), compile_clusters(), compile_samerank(), deriveClusters(), is_cluster(), projectG(), and subgInduce().

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◆ late_bool()

bool late_bool	(	void *	obj,
		Agsym_t *	attr,
		bool	defaultValue
	)

Definition at line 91 of file utils.c.

References agxget(), mapbool(), and NULL.

Referenced by addXLabels(), find_blocks(), and getAttrBool().

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◆ late_double()

double late_double	(	void *	obj,
		Agsym_t *	attr,
		double	defaultValue,
		double	minimum
	)

Definition at line 48 of file utils.c.

References ag_xget.

Referenced by arrow_length(), circular_init_edge(), common_init_node(), do_graph_label(), emit_begin_edge(), emit_clusters(), emit_edge_graphics(), fdp_initParams(), fullArea(), get_inputscale(), getArea(), graph_init(), init_edge(), init_gvc(), initFontEdgeAttr(), initFontLabelEdgeAttr(), initGraphAttrs(), majorization(), makeObstacle(), neato_init_edge(), place_portlabel(), point_gencode(), point_init(), poly_init(), setPrismValues(), stylenode(), tuneControl(), twopi_init_edge(), and userSize().

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◆ late_int()

int late_int	(	void *	obj,
		Agsym_t *	attr,
		int	defaultValue,
		int	minimum
	)

Definition at line 33 of file utils.c.

References ag_xget, and NULL.

Referenced by adjustRanks(), checkExp(), clust_ht(), common_init_node(), contain_nodes(), contain_subclust(), dot_init_edge(), dotLayout(), emit_background(), emit_clusters(), fdp_init_graph(), fdp_initParams(), finalCC(), graph_init(), init_graph(), keepout_othernodes(), l_int(), layout(), neato_init_graph(), point_init(), point_inside(), poly_gencode(), poly_init(), poly_inside(), record_gencode(), record_inside(), separate_subclust(), set_ycoords(), setClustNodes(), sfdp_init_graph(), star_inside(), and tuneControl().

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◆ late_nnstring()

char * late_nnstring	(	void *	obj,
		Agsym_t *	attr,
		char *	defaultValue
	)

Definition at line 84 of file utils.c.

References late_string().

Referenced by checkStyle(), common_init_node(), do_graph_label(), emit_clusters(), emit_edge_graphics(), findCharset(), findFillDflt(), init_gvc(), initFontEdgeAttr(), initFontLabelEdgeAttr(), isFilled(), penColor(), point_gencode(), poly_gencode(), and write_plain().

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◆ late_string()

char * late_string	(	void *	obj,
		Agsym_t *	attr,
		char *	defaultValue
	)

Definition at line 78 of file utils.c.

References agxget().

Referenced by clust_in_layer(), common_init_edge(), do_ordering_for_nodes(), dot_init_edge(), edge_in_layer(), emit_edge(), emit_edge_graphics(), emit_end_edge(), emit_graph(), emit_node(), getAttrStr(), getRankseps(), graph_init(), late_nnstring(), node_in_layer(), ordered_edges(), poly_gencode(), poly_init(), and record_init().

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◆ latin1ToUTF8()

char * latin1ToUTF8 ( char * s )

Definition at line 1278 of file utils.c.

References agxbdisown(), agxbputc(), and htmlEntity().

Referenced by cvtAndAppend(), make_html_label(), make_label(), preprocessTooltip(), and stoj().

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◆ mapbool()

bool mapbool ( const char * p )

Definition at line 336 of file utils.c.

◆ mapBool()

bool mapBool	(	const char *	p,
		bool	defaultValue
	)

Definition at line 320 of file utils.c.

References gv_isdigit().

Referenced by getAdjustMode(), mapbool(), and tuneControl().

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◆ maptoken()

int maptoken	(	char *	p,
		char **	name,
		int *	val
	)

Definition at line 310 of file utils.c.

References streq().

Referenced by graph_init(), and rank_set_class().

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◆ mkClustMap()

Dt_t * mkClustMap ( Agraph_t * g )

Generates a dictionary mapping cluster names to corresponding cluster. Used with cgraph as the latter does not support a flat namespace of clusters. Assumes G has already built a cluster tree using GD_n_cluster and GD_clust.

Definition at line 1612 of file utils.c.

References dtopen(), Dtoset, fillMap(), and strDisc.

Referenced by dot_compoundEdges(), and processClusterEdges().

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◆ overlap_edge()

bool overlap_edge	(	edge_t *	e,
		boxf	b
	)

Definition at line 1378 of file utils.c.

References splines::bb, boxf_overlap(), ED_label, ED_spl, splines::list, overlap_bezier(), overlap_label(), and splines::size.

Referenced by gvevent_find_obj().

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◆ overlap_label()

bool overlap_label	(	textlabel_t *	lp,
		boxf	b
	)

Definition at line 1341 of file utils.c.

References add_pointf(), textlabel_t::dimen, boxf::LL, OVERLAP, textlabel_t::pos, sub_pointf(), pointf_s::x, and pointf_s::y.

Referenced by edge_in_box(), and overlap_edge().

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◆ overlap_node()

bool overlap_node	(	node_t *	n,
		boxf	b
	)

Definition at line 1329 of file utils.c.

References boxf::LL, mid_pointf(), inside_t::n, ND_bb, ND_coord, ND_shape, OVERLAP, inside_t::s, sub_pointf(), and boxf::UR.

Referenced by gvevent_find_obj().

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◆ polyBB()

boxf polyBB ( polygon_t * poly )

Compute the bounding box of a polygon. We only need to use the outer periphery.

Definition at line 600 of file utils.c.

References boxf::LL, MAX, MIN, boxf::UR, pointf_s::x, and pointf_s::y.

Referenced by makeObstacle(), and poly_inside().

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◆ processClusterEdges()

void processClusterEdges ( graph_t * g )

Look for cluster edges. Replace cluster edge endpoints corresponding to a cluster with special cluster nodes. Delete original nodes. If cluster edges are found, a cl_edge_t record will be attached to the graph, containing the count of such edges.

Definition at line 936 of file utils.c.

References agbindrec(), agclose(), agdelete(), agfstnode(), agfstout(), agnxtnode(), agnxtout(), agsubg(), agxbfree(), checkCompound(), CL_EDGE_TAG, dtclose(), dtopen(), Dtoset, IS_CLUST_NODE, mapDisc, mkClustMap(), and cl_edge_t::n_cluster_edges.

Referenced by fdp_init_node_edge().

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◆ ps_string()

char * ps_string	(	char *	s,
		int	chset
	)

Definition at line 253 of file psusershape.c.

References agwarningf(), agxbputc(), agxbuse(), ASCII, CHAR_LATIN1, CHAR_UTF8, charsetOf(), free(), ins(), LATIN1, LPAREN, NONLATIN, RPAREN, and utf8ToLatin1().

Referenced by lasi_begin_anchor(), lasi_begin_graph(), psgen_begin_anchor(), psgen_begin_graph(), and psgen_textspan().

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◆ safe_dcl()

attrsym_t * safe_dcl	(	graph_t *	g,
		int	obj_kind,
		char *	name,
		char *	defaultValue
	)

Find the attribute belonging to graph g for objects like obj with given name. If one does not exist, create it with the default value defaultValue.

Definition at line 1070 of file utils.c.

References agattr(), and NULL.

Referenced by attach_attrs_and_arrows(), xdot_begin_graph(), and xdot_end_graph().

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◆ safefile()

const char * safefile ( const char * filename )

Definition at line 259 of file utils.c.

References agwarningf(), DIRSEP, findPath(), free(), Gvfilepath, Gvimagepath, HTTPServerEnVar, mkDirlist(), NULL, onetime, and str.

Referenced by bind_shape(), cat_libfile(), epsf_init(), and gvusershape_file_access().

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◆ scanEntity()

char * scanEntity	(	char *	t,
		agxbuf *	xb
	)

Scan non-numeric entity, convert to &#...; form and store in xbuf. t points to first char after '&'. Return after final semicolon. If unknown, we return t and let libexpat flag the error.

Definition at line 1087 of file utils.c.

References agxbprint(), agxbputc(), comp_entities(), entities, len(), MAXENTLEN, NR_OF_ENTITIES, and entities_s::value.

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◆ setAttr()

Agsym_t * setAttr	(	graph_t *	g,
		void *	obj,
		char *	name,
		char *	value,
		Agsym_t *	ap
	)

Sets object's name attribute to the given value. Creates the attribute if not already set.

Definition at line 700 of file utils.c.

References agattr(), AGEDGE, AGNODE, agobjkind(), AGRAPH, agxset(), and NULL.

Referenced by clustNode().

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◆ setEdgeType()

void setEdgeType	(	graph_t *	g,
		int	defaultValue
	)

Sets graph's edge type based on the "splines" attribute. If the attribute is not defined, use defaultValue. If the attribute is "", use NONE. If attribute value matches (case indepedent), use match. ortho => EDGETYPE_ORTHO none => EDGETYPE_NONE line => EDGETYPE_LINE polyline => EDGETYPE_PLINE spline => EDGETYPE_SPLINE If attribute is boolean, true means EDGETYPE_SPLINE, false means EDGETYPE_LINE. Else warn and use default.

Definition at line 1443 of file utils.c.

References agget(), edgeType(), EDGETYPE_NONE, and GD_flags.

Referenced by circo_init_graph(), cluster_init_graph(), dotLayout(), fdp_init_graph(), make_flat_adj_edges(), neato_init_graph(), neato_layout(), patchwork_init_graph(), sfdp_init_graph(), sfdp_layout(), and twopi_init_graph().

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◆ start_timer()

void start_timer ( void )

Definition at line 43 of file timing.c.

References GET_TIME, and T.

Referenced by diffeq_model(), gvRenderJobs(), init_mincross(), init_xdot(), kkNeato(), majorization(), rank2(), routesplinesinit(), sgd(), shortest_path(), and stress_majorization_kD_mkernel().

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◆ strdup_and_subst_obj()

char * strdup_and_subst_obj	(	char *	str,
		void *	obj
	)

Definition at line 385 of file labels.c.

References str, and strdup_and_subst_obj0().

Referenced by emit_begin_edge(), graph_init(), gv_edge_state(), gv_graph_state(), gv_node_state(), gvevent_enter_obj(), initMapData(), size_html_txt(), and svg_begin_edge().

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◆ test_toggle()

int test_toggle ( void )

Definition at line 411 of file utils.c.

References Tflag.

Referenced by move_node().

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◆ UF_find()

Agnode_t * UF_find ( Agnode_t * n )

Definition at line 99 of file utils.c.

References ND_UF_parent.

Referenced by class1(), class2(), decompose(), expand_ranksets(), interclust1(), leader_of(), minmax_edges(), minmax_edges2(), search_component(), UF_setname(), and UF_union().

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◆ UF_setname()

void UF_setname	(	Agnode_t *	u,
		Agnode_t *	v
	)

Definition at line 144 of file utils.c.

References ND_UF_parent, ND_UF_size, and UF_find().

Referenced by mark_clusters().

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◆ UF_singleton()

void UF_singleton ( Agnode_t * u )

Definition at line 137 of file utils.c.

References ND_ranktype, ND_UF_parent, ND_UF_size, NORMAL, and NULL.

Referenced by expand_ranksets(), and mark_clusters().

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◆ UF_union()

Agnode_t * UF_union	(	Agnode_t *	u,
		Agnode_t *	v
	)

Definition at line 109 of file utils.c.

References ND_id, ND_UF_parent, ND_UF_size, NULL, and UF_find().

Referenced by cluster_leader(), and collapse_rankset().

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◆ undoClusterEdges()

void undoClusterEdges ( graph_t * g )

Replace cluster nodes with originals. Make sure original has no attributes. Replace original edges. Delete cluster nodes, which will also delete cluster edges.

Definition at line 1035 of file utils.c.

References agbindrec(), agclose(), agdelete(), agfstnode(), agfstout(), agnxtnode(), agnxtout(), agsubg(), ED_compound, free(), gv_calloc(), gv_cleanup_node(), num_clust_edges(), and undoCompound().

Referenced by attach_attrs_and_arrows(), and dot_begin_graph().

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◆ updateBB()

void updateBB	(	graph_t *	g,
		textlabel_t *	lp
	)

Reset graph's bounding box to include bounding box of the given label. Assume the label's position has been set.

Definition at line 620 of file utils.c.

References addLabelBB(), GD_bb, and GD_flip.

Referenced by addXLabels(), dot_splines_(), make_flat_adj_edges(), makePortLabels(), makeSelfArcs(), and setEdgeLabelPos().

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◆ utf8ToLatin1()

char * utf8ToLatin1 ( char * s )

Converts string from utf8 encoding to Latin1 Note that it does not attempt to reproduce HTML entities. We assume the input string comes from latin1ToUTF8.

Definition at line 1311 of file utils.c.

References agxbdisown(), and agxbputc().

Referenced by ps_string().

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◆ write_plain()

void write_plain	(	GVJ_t *	job,
		graph_t *	g,
		FILE *	f,
		bool	extend
	)

Definition at line 114 of file output.c.

References agcanonStr(), agfstnode(), agfstout(), agget(), aghead, agnameof(), agnxtnode(), agnxtout(), agputc(), agputs(), agraphof(), agtail, agxget(), canon(), Agraph_s::clos, DEFAULT_COLOR, DEFAULT_FILL, Agclos_s::disc, E_color, E_style, ED_label, ED_spl, GD_bb, Agdisc_s::io, IS_CLUST_NODE, late_nnstring(), lbl, bezier::list, N_color, N_fillcolor, N_label, N_style, ND_coord, ND_height, ND_label, ND_shape, ND_width, NULL, printdouble(), printint(), printpoint(), printstring(), PS2INCH, Agiodisc_s::putstr, setYInvert(), bezier::size, str, writenodeandport(), pointf_s::x, pointf_s::y, and GVJ_s::zoom.

Referenced by dot_end_graph().

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◆ xml_escape()

int xml_escape	(	const char *	s,
		xml_flags_t	flags,
		int()(void state, const char *s)	cb,
		void *	state
	)

XML-escape a string

Parameters

s	Source string to process.
flags	Options of how to configure escaping.
cb	An `fputs` analogue for emitting escaped output.
state	Caller-defined data to pass to `cb`.

Returns: The first negative value cb returns or the last return value of cb.

Definition at line 179 of file xml.c.

References flags, state, and xml_core().

Referenced by EmbedText(), gvputs_xml(), pango_textlayout(), svg_begin_anchor(), svg_textspan(), xml_puts(), xml_puts(), xml_url_puts(), and xml_url_puts().

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◆ yDir()

double yDir ( double y )

Definition at line 28 of file output.c.

References YDIR.

Referenced by xdot_point().

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Data Structures

Functions

Function Documentation

◆ attach_attrs_and_arrows()

◆ Bezier()

◆ cat_libfile()

◆ common_init_edge()

◆ common_init_node()

◆ compute_bb()

◆ dotneato_closest()

◆ drand48()

◆ elapsed_sec()

◆ epsf_define()

◆ epsf_emit_body()

◆ findCluster()

◆ findStopColor()

◆ get_gradient_points()

◆ get_inputscale()

◆ gv_nodesize()

◆ htmlEntityUTF8()

◆ is_a_cluster()

◆ late_bool()

◆ late_double()

◆ late_int()

◆ late_nnstring()

◆ late_string()

◆ latin1ToUTF8()

◆ mapbool()

◆ mapBool()

◆ maptoken()

◆ mkClustMap()

◆ overlap_edge()

◆ overlap_label()

◆ overlap_node()

◆ polyBB()

◆ processClusterEdges()

◆ ps_string()

◆ safe_dcl()

◆ safefile()

◆ scanEntity()

◆ setAttr()

◆ setEdgeType()

◆ start_timer()

◆ strdup_and_subst_obj()

◆ test_toggle()

◆ UF_find()

◆ UF_setname()

◆ UF_singleton()

◆ UF_union()

◆ undoClusterEdges()

◆ updateBB()

◆ utf8ToLatin1()

◆ write_plain()

◆ xml_escape()

◆ yDir()