const.h

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/*************************************************************************
 * Copyright (c) 2011 AT&T Intellectual Property 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: Details at https://graphviz.org
 *************************************************************************/
 
#pragma once
 
#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
#if defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) || defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
#define         DEFAULT_FONTNAME        "TimesNewRomanPSMT"
#else
#define         DEFAULT_FONTNAME        "Times-Roman"
#endif
#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         DEFAULT_NODEPENWIDTH    1.0
#define         MIN_NODEPENWIDTH        0.0
 
#define         NODENAME_ESC            "\\N"
 
#define         DEFAULT_LAYERSEP        ":\t "
#define         DEFAULT_LAYERLISTSEP    ","
 
#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)
 
/* Obj types  for renderers */
#define         NONE    0
#define         NODE    1
#define         EDGE    2
#define         CLST    3
 
/* output languages */
#define         PCL             3       /* Printer Control Language */
#define         MIF             4       /* Adobe FrameMaker */
 
#define         VTX             21      /* visual thought */
#define         METAPOST        22
 
#define         QPDF            30      /* Quartz paged PDF */
 
#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 _WIN32
#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 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
 
enum {
  DOGEAR = 1,
  TAB = 2,
  FOLDER = 3,
  BOX3D = 4,
  COMPONENT = 5,
  PROMOTER = 6,
  CDS = 7,
  TERMINATOR = 8,
  UTR = 9,
  PRIMERSITE = 10,
  RESTRICTIONSITE = 11,
  FIVEPOVERHANG = 12,
  THREEPOVERHANG = 13,
  NOVERHANG = 14,
  ASSEMBLY = 15,
  SIGNATURE = 16,
  INSULATOR = 17,
  RIBOSITE = 18,
  RNASTAB = 19,
  PROTEASESITE = 20,
  PROTEINSTAB = 21,
  RPROMOTER = 22,
  RARROW = 23,
  LARROW = 24,
  LPROMOTER = 25,
  CYLINDER = 26,
};
 
/* fill types */
#define FILL            1
#define GRADIENT        2
#define RGRADIENT       3
#define NO_POLY         4    /* bit flag: if set, do fill only */
 
/* Flags stored in GD_flags 
 * Bit(s):  0     unused
 *          1-3   EDGETYPE_
 *          4     NEW_RANK
 */
 
/* edge types */
#define EDGETYPE_NONE       (0 << 1)
#define EDGETYPE_LINE       (1 << 1)
#define EDGETYPE_CURVED     (2 << 1)
#define EDGETYPE_PLINE      (3 << 1)
#define EDGETYPE_ORTHO      (4 << 1)
#define EDGETYPE_SPLINE     (5 << 1)
#define EDGETYPE_COMPOUND   (6 << 1)
 
/* New ranking is used */
#define NEW_RANK        (1 << 4)
/******/
 
/* 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