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* FIG : Facility for Interactive Generation of figures
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* Copyright (c) 1985-1988 by Supoj Sutanthavibul
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* Parts Copyright (c) 1989-2000 by Brian V. Smith
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* Parts Copyright (c) 1991 by Paul King
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* Any party obtaining a copy of these files is granted, free of charge, a
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* full and unrestricted irrevocable, world-wide, paid up, royalty-free,
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* nonexclusive right and license to deal in this software and
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* documentation files (the "Software"), including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons who receive
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* copies from any such party to do so, with the only requirement being
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* that this copyright notice remain intact.
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/* values to signify color used for transparent GIF color */
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#define TRANSP_BACKGROUND -3 /* use background of figure as transp color */
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#define TRANSP_NONE -2 /* no transp color */
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#define COLOR_NONE -2 /* no background color (exporting) */
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/* DEFAULT is used for many things - font, color etc */
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#define DASH_DOT_LINE 3
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#define DASH_2_DOTS_LINE 4
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#define DASH_3_DOTS_LINE 5
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#define RUBBER_LINE 11
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/** VERY IMPORTANT: The f_line, f_spline and f_arc objects all must have the
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components up to and including the arrows in the same order.
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This is for the get/put_generic_arrows() in e_edit.c.
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In addition, the f_line and f_spline objects must have the
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components up to and including the f_points in the same order.
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typedef struct f_point {
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typedef struct f_pos {
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#define DEF_ARROW_WID 4
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#define DEF_ARROW_HT 8
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typedef struct f_arrow {
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typedef struct f_ellipse {
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#define T_ELLIPSE_BY_RAD 1
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#define T_ELLIPSE_BY_DIA 2
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#define T_CIRCLE_BY_RAD 3
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#define T_CIRCLE_BY_DIA 4
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struct f_pos radiuses;
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struct f_ellipse *next;
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/* SEE NOTE AT TOP BEFORE CHANGING ANYTHING IN THE f_arc STRUCTURE */
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typedef struct f_arc {
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/* note: these arc types are the internal values */
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/* in the file, they are open=1, wedge=2 */
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#define T_PIE_WEDGE_ARC 1
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struct f_arrow *for_arrow;
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struct f_arrow *back_arrow;
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#define CAP_PROJECT 2
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/* THE PRECEDING VARS MUST BE IN THE SAME ORDER IN f_arc, f_line and f_spline */
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struct f_pos point[3];
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#define CLOSED_PATH 0
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#define DEF_BOXRADIUS 7
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#define DEF_DASHLENGTH 4
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/***********************************************************************/
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/* NOTE: If you change this you must change _pic_names in e_edit.c too */
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/***********************************************************************/
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/* These values are used internally, so changing them doesn't
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affect any Fig files */
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#endif /* USE_JPEG */
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#define NUM_PIC_TYPES LAST_PIC-1
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#define FileInvalid -2
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/* Picture sub-type */
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typedef struct f_pic {
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enum pictypes subtype;
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unsigned char *bitmap;
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struct Cmap cmap[MAX_COLORMAP_SIZE]; /* for GIF/XPM/JPEG files */
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int numcols; /* number of colors in cmap */
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int transp; /* transparent color (TRANSP_NONE if none) for GIFs */
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int size_x, size_y; /* picture size (fig units) */
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struct f_pos bit_size; /* size of bitmap in pixels */
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Color color; /* only used for XBM */
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Pixmap pixmap; /* pixmap created for canvas */
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pix_width, /* current width of pixmap (pixels) */
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pix_height, /* current height of pixmap (pixels) */
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struct f_compound *figure; /* Fig compound if picture type == T_PIC_FIG */
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extern char EMPTY_PIC[];
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/* SEE NOTE AT TOP BEFORE CHANGING ANYTHING IN THE f_line STRUCTURE */
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typedef struct f_line {
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struct f_arrow *for_arrow;
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struct f_arrow *back_arrow;
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int cap_style; /* line cap style - Butt, Round, Bevel */
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/* THE PRECEDING VARS MUST BE IN THE SAME ORDER IN f_arc, f_line and f_spline */
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struct f_point *points; /* this must immediately follow cap_style */
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/* THE PRECEDING VARS MUST BE IN THE SAME ORDER IN f_line and f_spline */
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int join_style; /* join style - Miter, Round, Bevel */
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int radius; /* corner radius for T_ARC_BOX */
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typedef struct f_text {
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#define T_LEFT_JUSTIFIED 0
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#define T_CENTER_JUSTIFIED 1
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#define T_RIGHT_JUSTIFIED 2
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XFontStruct *fontstruct;
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float zoom; /* to keep track of when it needs rescaling */
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int size; /* point size */
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float angle; /* in radians */
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#define SPECIAL_TEXT 2
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#define PSFONT_TEXT 4
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#define HIDDEN_TEXT 8
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int ascent; /* Fig units */
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int length; /* Fig units */
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int descent; /* from XTextExtents(), not in file */
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#define MAXFONT(T) (psfont_text(T) ? NUM_FONTS : NUM_LATEX_FONTS)
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#define rigid_text(t) \
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(t->flags == DEFAULT \
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|| (t->flags & RIGID_TEXT))
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#define special_text(t) \
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((t->flags != DEFAULT \
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&& (t->flags & SPECIAL_TEXT)))
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#define psfont_text(t) \
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(t->flags != DEFAULT \
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&& (t->flags & PSFONT_TEXT))
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#define hidden_text(t) \
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(t->flags != DEFAULT \
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&& (t->flags & HIDDEN_TEXT))
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#define text_length(t) \
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(hidden_text(t) ? hidden_text_length : t->length)
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#define using_ps (cur_textflags & PSFONT_TEXT)
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typedef struct f_shape {
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struct f_shape *next;
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/* SEE NOTE AT TOP BEFORE CHANGING ANYTHING IN THE f_spline STRUCTURE */
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#define int_spline(s) (s->type & 0x2)
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#define x_spline(s) (s->type & 0x4)
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#define approx_spline(s) (!(int_spline(s)|x_spline(s)))
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#define closed_spline(s) (s->type & 0x1)
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#define open_spline(s) (!(s->type & 0x1))
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#define S_SPLINE_ANGULAR 0.0
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#define S_SPLINE_APPROX 1.0
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#define S_SPLINE_INTERP (-1.0)
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typedef struct f_spline {
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#define T_OPEN_APPROX 0
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#define T_CLOSED_APPROX 1
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#define T_OPEN_INTERP 2
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#define T_CLOSED_INTERP 3
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#define T_OPEN_XSPLINE 4
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#define T_CLOSED_XSPLINE 5
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struct f_arrow *for_arrow;
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struct f_arrow *back_arrow;
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/* THE PRECEDING VARS MUST BE IN THE SAME ORDER IN f_arc, f_line and f_spline */
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* "points" are control points. Shape factors are stored in "sfactors".
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struct f_point *points; /* this must immediately follow cap_style */
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/* THE PRECEDING VARS MUST BE IN THE SAME ORDER IN f_line and f_spline */
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struct f_shape *sfactors;
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struct f_spline *next;
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typedef struct f_compound {
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struct f_pos nwcorner;
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struct f_pos secorner;
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struct f_line *lines;
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struct f_ellipse *ellipses;
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struct f_spline *splines;
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struct f_text *texts;
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struct f_compound *parent; /* for "enter/leave compound" */
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struct f_compound *GABPtr; /* Where original compound came from */
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struct f_compound *compounds;
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struct f_compound *next;
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typedef struct f_linkinfo {
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struct f_point *endpt;
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struct f_point *prevpt;
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struct f_linkinfo *next;
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/* separate the "type" and the "style" from the cur_arrowtype */
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#define ARROW_TYPE(x) ((x)==0? 0 : ((x)+1)/2)
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#define ARROW_STYLE(x) ((x)==0? 0 : ((x)+1)%2)
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#define ARROW_SIZE sizeof(struct f_arrow)
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#define POINT_SIZE sizeof(struct f_point)
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#define CONTROL_SIZE sizeof(struct f_shape)
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#define ELLOBJ_SIZE sizeof(struct f_ellipse)
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#define ARCOBJ_SIZE sizeof(struct f_arc)
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#define LINOBJ_SIZE sizeof(struct f_line)
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#define TEXOBJ_SIZE sizeof(struct f_text)
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#define SPLOBJ_SIZE sizeof(struct f_spline)
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#define COMOBJ_SIZE sizeof(struct f_compound)
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#define PIC_SIZE sizeof(struct f_pic)
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#define LINKINFO_SIZE sizeof(struct f_linkinfo)
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/********************** object codes **********************/
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#define O_COLOR_DEF 0
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#define O_END_COMPOUND -O_COMPOUND
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/* pseudo-object O_FIGURE only for edit panel */
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#define O_FIGURE 17777
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#define O_ALL_OBJECT 99
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/********************* object masks for update ************************/
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#define M_NONE 0x0000
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#define M_POLYLINE_POLYGON 0x0001
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#define M_POLYLINE_LINE 0x0002
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#define M_POLYLINE_BOX 0x0004 /* includes ARCBOX */
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#define M_SPLINE_O_APPROX 0x0008
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#define M_SPLINE_C_APPROX 0x0010
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#define M_SPLINE_O_INTERP 0x0020
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#define M_SPLINE_C_INTERP 0x0040
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#define M_SPLINE_O_XSPLINE 0x0080
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#define M_SPLINE_C_XSPLINE 0x0100
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#define M_TEXT_NORMAL 0x0200
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#define M_TEXT_HIDDEN 0x0400
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#define M_ELLIPSE 0x1000
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#define M_COMPOUND 0x2000
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#define M_TEXT (M_TEXT_HIDDEN | M_TEXT_NORMAL)
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#define M_SPLINE_O (M_SPLINE_O_APPROX | M_SPLINE_O_INTERP | M_SPLINE_O_XSPLINE)
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#define M_SPLINE_C (M_SPLINE_C_APPROX | M_SPLINE_C_INTERP | M_SPLINE_C_XSPLINE)
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#define M_SPLINE_APPROX (M_SPLINE_O_APPROX | M_SPLINE_C_APPROX)
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#define M_SPLINE_INTERP (M_SPLINE_O_INTERP | M_SPLINE_C_INTERP)
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#define M_SPLINE_XSPLINE (M_SPLINE_O_XSPLINE | M_SPLINE_C_XSPLINE)
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#define M_SPLINE (M_SPLINE_APPROX | M_SPLINE_INTERP | M_SPLINE_XSPLINE)
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#define M_POLYLINE (M_POLYLINE_LINE | M_POLYLINE_POLYGON | M_POLYLINE_BOX)
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#define M_VARPTS_OBJECT (M_POLYLINE_LINE | M_POLYLINE_POLYGON | M_SPLINE)
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#define M_OPEN_OBJECT (M_POLYLINE_LINE | M_SPLINE_O | M_ARC)
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#define M_ROTATE_ANGLE (M_VARPTS_OBJECT | M_ARC | M_TEXT | M_COMPOUND | M_ELLIPSE)
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#define M_OBJECT (M_ELLIPSE | M_POLYLINE | M_SPLINE | M_TEXT | M_ARC)
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#define M_NO_TEXT (M_ELLIPSE | M_POLYLINE | M_SPLINE | M_COMPOUND | M_ARC)
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#define M_ALL (M_OBJECT | M_COMPOUND)
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/************************ Objects **********************/
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extern F_compound objects;
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/************ global working pointers ************/
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extern F_line *cur_l, *new_l, *old_l;
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extern F_arc *cur_a, *new_a, *old_a;
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extern F_ellipse *cur_e, *new_e, *old_e;
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extern F_text *cur_t, *new_t, *old_t;
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extern F_spline *cur_s, *new_s, *old_s;
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extern F_compound *cur_c, *new_c, *old_c;
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extern F_point *first_point, *cur_point;
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extern F_linkinfo *cur_links;
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#endif /* OBJECT_H */
added
removed
object.h
