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/* $Id: const.h,v 1.31 2009/08/28 19:46:42 erg Exp $ $Revision: 1.31 $ */
/* vim:set shiftwidth=4 ts=8: */
/**********************************************************
* This software is part of the graphviz package *
* http://www.graphviz.org/ *
* *
* Copyright (c) 1994-2004 AT&T Corp. *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Corp. *
* *
* Information and Software Systems Research *
* AT&T Research, Florham Park NJ *
**********************************************************/
#ifndef GV_CONST_H
#define GV_CONST_H
#define SMALLBUF 128
#define LPAREN '('
#define RPAREN ')'
#define LBRACE '{'
#define RBRACE '}'
/* node,edge types */
#ifdef NORMAL
#undef NORMAL
#endif
#define NORMAL 0 /* an original input node */
#define VIRTUAL 1 /* virtual nodes in long edge chains */
#define SLACKNODE 2 /* encode edges in node position phase */
#define REVERSED 3 /* reverse of an original edge */
#define FLATORDER 4 /* for ordered edges */
#define CLUSTER_EDGE 5 /* for ranking clusters */
#define IGNORED 6 /* concentrated multi-edges */
/* collapsed node classifications */
#define NOCMD 0 /* default */
#define SAMERANK 1 /* place on same rank */
#define MINRANK 2 /* place on "least" rank */
#define SOURCERANK 3 /* strict version of MINRANK */
#define MAXRANK 4 /* place on "greatest" rank */
#define SINKRANK 5 /* strict version of MAXRANK */
#define LEAFSET 6 /* set of collapsed leaf nodes */
#define CLUSTER 7 /* set of clustered nodes */
/* type of cluster rank assignment */
#define LOCAL 100
#define GLOBAL 101
#define NOCLUST 102
/* default attributes */
#define DEFAULT_COLOR "black"
#define DEFAULT_ACTIVEPENCOLOR "#808080"
#define DEFAULT_ACTIVEFILLCOLOR "#fcfcfc"
#define DEFAULT_ACTIVEFONTCOLOR "black"
#define DEFAULT_SELECTEDPENCOLOR "#303030"
#define DEFAULT_SELECTEDFILLCOLOR "#e8e8e8"
#define DEFAULT_SELECTEDFONTCOLOR "black"
#define DEFAULT_DELETEDPENCOLOR "#e0e0e0"
#define DEFAULT_DELETEDFILLCOLOR "#f0f0f0"
#define DEFAULT_DELETEDFONTCOLOR "darkgrey"
#define DEFAULT_VISITEDPENCOLOR "#101010"
#define DEFAULT_VISITEDFILLCOLOR "#f8f8f8"
#define DEFAULT_VISITEDFONTCOLOR "black"
#define DEFAULT_FONTSIZE 14.0
#define DEFAULT_LABEL_FONTSIZE 11.0 /* for head/taillabel */
#define MIN_FONTSIZE 1.0
#define DEFAULT_FONTNAME "Times-Roman"
#define DEFAULT_FILL "lightgrey"
#define LINESPACING 1.20
#define DEFAULT_NODEHEIGHT 0.5
#define MIN_NODEHEIGHT 0.02
#define DEFAULT_NODEWIDTH 0.75
#define MIN_NODEWIDTH 0.01
#define DEFAULT_NODESHAPE "ellipse"
#define NODENAME_ESC "\\N"
#define DEFAULT_LAYERSEP ":\t "
#define DEFAULT_NODESEP 0.25
#define MIN_NODESEP 0.02
#define DEFAULT_RANKSEP 0.5
#define MIN_RANKSEP 0.02
/* default margin for paged formats such as PostScript - in points = 0.5in */
#define DEFAULT_PRINT_MARGIN 36
/* default margin for embedded formats such as PNG - in points */
#define DEFAULT_EMBED_MARGIN 0
/* default padding around graph - in points */
#define DEFAULT_GRAPH_PAD 4
#define SELF_EDGE_SIZE 18
#define MC_SCALE 256 /* for mincross */
#define PORT_LABEL_DISTANCE 10
#define PORT_LABEL_ANGLE -25 /* degrees; pos is CCW, neg is CW */
/* default polygon sample size for overlap removal and maps */
#define DFLT_SAMPLE 20
/* arrow types */
#define ARR_NONE 0
/* sides (e.g. of cluster margins) */
#define BOTTOM_IX 0
#define RIGHT_IX 1
#define TOP_IX 2
#define LEFT_IX 3
/* sides of boxes for SHAPE_path */
#define BOTTOM (1<<BOTTOM_IX)
#define RIGHT (1<<RIGHT_IX)
#define TOP (1<<TOP_IX)
#define LEFT (1<<LEFT_IX)
#define CCW -1 /* counter clock-wise */
#define CW 1 /* clock-wise */
/* Obj types for renderers */
#define NONE 0
#define NODE 1
#define EDGE 2
#define CLST 3
/* output languages */
#define HPGL 2 /* HP Graphics Language */
#define PCL 3 /* Printer Control Language */
#define MIF 4 /* Adobe FrameMaker */
#define PIC_format 5 /* symbol PIC is used by compilers for
Position Independent Code */
#define TK 15 /* TK canvas */
#define VTX 21 /* visual thought */
#define METAPOST 22
#define DIA 24 /* dia drawing tool */
#define QPDF 30 /* Quartz paged PDF */
#define QEPDF 31 /* Quartz embedded PDF */
#define QBM_FIRST 100 /* first Quartz bitmap format, inclusive */
#define QBM_LAST 200 /* last Quartz bitmap format, exclusive */
#define GVRENDER_PLUGIN 300 /* a plugin supported language */
#define NO_SUPPORT 999 /* no support */
/* for clusters */
#define CL_BACK 10 /* cost of backward pointing edge */
#define CL_OFFSET 8 /* margin of cluster box in PS points */
#ifndef MSWIN32
#define CL_CROSS 1000 /* cost of cluster skeleton edge crossing */
#else
#define CL_CROSS 100 /* avoid 16 bit overflow */
#endif
/* edge types */
#define REGULAREDGE 1
#define FLATEDGE 2
#define SELFWPEDGE 4
#define SELFNPEDGE 8
#define SELFEDGE 8
#define EDGETYPEMASK 15 /* the OR of the above */
/* for graph server */
#define SERVER_NN 200
#define SERVER_NE 500
/* for neato */
#define Spring_coeff 1.0
#define MYHUGE (1.0e+37)
#define MAXDIM 10
/* drawing phases */
#define GVBEGIN 0
#define GVSPLINES 1
/* existence of labels */
#define EDGE_LABEL (1 << 0)
#define HEAD_LABEL (1 << 1)
#define TAIL_LABEL (1 << 2)
#define GRAPH_LABEL (1 << 3)
#define NODE_XLABEL (1 << 4)
#define EDGE_XLABEL (1 << 5)
/* type of graph label: GD_label_pos */
#define LABEL_AT_BOTTOM 0
#define LABEL_AT_TOP 1
#define LABEL_AT_LEFT 2
#define LABEL_AT_RIGHT 4
/* values specifying rankdir */
#define RANKDIR_TB 0
#define RANKDIR_LR 1
#define RANKDIR_BT 2
#define RANKDIR_RL 3
/* allowed charsets */
#define CHAR_UTF8 0
#define CHAR_LATIN1 1
#define CHAR_BIG5 2
/* style flags */
#define FILLED (1 << 0)
#define ROUNDED (1 << 1)
#define DIAGONALS (1 << 2)
#define AUXLABELS (1 << 3)
#define INVISIBLE (1 << 4)
#define DOGEAR (1 << 5)
#define TAB (1 << 6)
#define FOLDER (1 << 7)
#define BOX3D (1 << 8)
#define COMPONENT (1 << 9)
/* label types */
#define LT_NONE (0 << 1)
#define LT_HTML (1 << 1)
#define LT_RECD (2 << 1)
/* edge types */
#define ET_NONE (0 << 1)
#define ET_LINE (1 << 1)
#define ET_PLINE (2 << 1)
#define ET_ORTHO (3 << 1)
#define ET_SPLINE (4 << 1)
#define ET_COMPOUND (5 << 1)
/* user-specified node position: ND_pinned */
#define P_SET 1 /* position supplied by user */
#define P_FIX 2 /* position fixed during topological layout */
#define P_PIN 3 /* position fixed */
#define GAP 4 /* whitespace in POINTS around labels and between peripheries */
/* fontsize at which text is omitted entirely */
#define FONTSIZE_MUCH_TOO_SMALL 0.15
/* fontsize at which text is rendered by a simple line */
#define FONTSIZE_TOO_SMALL 1.5
#endif
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