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source: tags/initial/fig2dev/object.h

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Last change on this file was 2, checked in by oldcode, 24 years ago
Initial revision
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 6.4 KB

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1	/*
2	* TransFig: Facility for Translating Fig code
3	* Copyright (c) 1985 Supoj Sutantavibul
4	* Copyright (c) 1991 Micah Beck
5	*
6	* Permission to use, copy, modify, distribute, and sell this software and its
7	* documentation for any purpose is hereby granted without fee, provided that
8	* the above copyright notice appear in all copies and that both that
9	* copyright notice and this permission notice appear in supporting
10	* documentation. The authors make no representations about the suitability
11	* of this software for any purpose. It is provided "as is" without express
12	* or implied warranty.
13	*
14	* THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15	* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16	* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17	* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18	* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19	* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
20	* PERFORMANCE OF THIS SOFTWARE.
21	*
22	*/
23
24	#define DEFAULT (-1)
25
26	typedef struct f_point {
27	int x, y;
28	struct f_point *next;
29	}
30	F_point;
31
32	typedef struct f_pos {
33	int x, y;
34	}
35	F_pos;
36
37	typedef struct f_arrow {
38	int type;
39	int style;
40	double thickness;
41	double wid;
42	double ht;
43	}
44	F_arrow;
45
46	typedef struct f_ellipse {
47	int type;
48	#define T_ELLIPSE_BY_RAD 1
49	#define T_ELLIPSE_BY_DIA 2
50	#define T_CIRCLE_BY_RAD 3
51	#define T_CIRCLE_BY_DIA 4
52	int style;
53	int thickness;
54	int color;
55	#define BLACK_COLOR 0
56	#define BLUE_COLOR 1
57	#define GREEN_COLOR 2
58	#define CYAN_COLOR 3
59	#define RED_COLOR 4
60	#define MAGENTA_COLOR 5
61	#define YELLOW_COLOR 6
62	#define WHITE_COLOR 7
63	int depth;
64	int direction;
65	double style_val;
66	double angle;
67	int pen;
68	int area_fill;
69	#define UNFILLED 0
70	#define WHITE_FILL 1
71	#define BLACK_FILL 21
72	struct f_pos center;
73	struct f_pos radiuses;
74	struct f_pos start;
75	struct f_pos end;
76	struct f_ellipse *next;
77	}
78	F_ellipse;
79
80	typedef struct f_arc {
81	int type;
82	#define T_3_POINTS_ARC 1
83	int style;
84	int thickness;
85	int color;
86	int depth;
87	int pen;
88	int area_fill;
89	double style_val;
90	int direction;
91	struct f_arrow *for_arrow;
92	struct f_arrow *back_arrow;
93	struct {double x, y;} center;
94	struct f_pos point[3];
95	struct f_arc *next;
96	}
97	F_arc;
98
99	typedef struct f_line {
100	int type;
101	#define T_POLYLINE 1
102	#define T_BOX 2
103	#define T_POLYGON 3
104	#define T_ARC_BOX 4
105	#define T_EPS_BOX 5
106
107	int style;
108	int thickness;
109	int color;
110	int depth;
111	double style_val;
112	int pen;
113	int area_fill;
114	int radius; /* for T_ARC_BOX */
115	struct f_arrow *for_arrow;
116	struct f_arrow *back_arrow;
117	struct f_point *points;
118	struct f_eps *eps;
119	struct f_line *next;
120	}
121	F_line;
122
123	typedef struct f_eps {
124	char file[256];
125	int flipped;
126	unsigned char *bitmap;
127	float hw_ratio;
128	struct f_pos bit_size;
129	int pix_rotation, pix_width, pix_height, pix_flipped;
130	}
131	F_eps;
132
133	extern char EMPTY_EPS[];
134
135	typedef struct f_text {
136	int type;
137	#define T_LEFT_JUSTIFIED 0
138	#define T_CENTER_JUSTIFIED 1
139	#define T_RIGHT_JUSTIFIED 2
140	int font;
141	#define DEFAULT_FONT 0
142	#define ROMAN_FONT 1
143	#define BOLD_FONT 2
144	#define ITALIC_FONT 3
145	#define MODERN_FONT 4
146	#define TYPEWRITER_FONT 5
147	#define MAX_FONT 5
148	double size; /* point size */
149	int color;
150	int depth;
151	double angle; /* in radian */
152	int flags;
153	#define RIGID_TEXT 1
154	#define SPECIAL_TEXT 2
155	#define PSFONT_TEXT 4
156	double height; /* pixels */
157	double length; /* pixels */
158	int base_x;
159	int base_y;
160	int pen;
161	char *cstring;
162	struct f_text *next;
163	}
164	F_text;
165
166	#define MAX_PSFONT 35
167	#define MAXFONT(T) (psfont_text(T) ? MAX_PSFONT : MAX_FONT)
168
169	#define rigid_text(t) \
170	(t->flags == DEFAULT \
171	\|\| (t->flags & RIGID_TEXT))
172
173	#define special_text(t) \
174	((t->flags != DEFAULT \
175	&& (t->flags & SPECIAL_TEXT)))
176
177	#define psfont_text(t) \
178	(t->flags != DEFAULT \
179	&& (t->flags & PSFONT_TEXT))
180
181	typedef struct f_control {
182	double lx, ly, rx, ry;
183	struct f_control *next;
184	}
185	F_control;
186
187	#define int_spline(s) (s->type & 0x2)
188	#define normal_spline(s) (!(s->type & 0x2))
189	#define closed_spline(s) (s->type & 0x1)
190	#define open_spline(s) (!(s->type & 0x1))
191
192	typedef struct f_spline {
193	int type;
194	#define T_OPEN_NORMAL 0
195	#define T_CLOSED_NORMAL 1
196	#define T_OPEN_INTERPOLATED 2
197	#define T_CLOSED_INTERPOLATED 3
198	int style;
199	int thickness;
200	int color;
201	int depth;
202	double style_val;
203	int pen;
204	int area_fill;
205	struct f_arrow *for_arrow;
206	struct f_arrow *back_arrow;
207	/*
208	For T_OPEN_NORMAL and T_CLOSED_NORMAL points
209	are control points while they are knots for
210	T_OPEN_INTERPOLATED and T_CLOSED_INTERPOLTED
211	whose control points are stored in controls.
212	*/
213	struct f_point *points;
214	struct f_control *controls;
215	struct f_spline *next;
216	}
217	F_spline;
218
219	typedef struct f_compound {
220	struct f_pos nwcorner;
221	struct f_pos secorner;
222	struct f_line *lines;
223	struct f_ellipse *ellipses;
224	struct f_spline *splines;
225	struct f_text *texts;
226	struct f_arc *arcs;
227	struct f_compound *compounds;
228	struct f_compound *next;
229	}
230	F_compound;
231
232	#define ARROW_SIZE sizeof(struct f_arrow)
233	#define POINT_SIZE sizeof(struct f_point)
234	#define CONTROL_SIZE sizeof(struct f_control)
235	#define ELLOBJ_SIZE sizeof(struct f_ellipse)
236	#define ARCOBJ_SIZE sizeof(struct f_arc)
237	#define LINOBJ_SIZE sizeof(struct f_line)
238	#define EPS_SIZE sizeof(struct f_eps)
239	#define TEXOBJ_SIZE sizeof(struct f_text)
240	#define SPLOBJ_SIZE sizeof(struct f_spline)
241	#define COMOBJ_SIZE sizeof(struct f_compound)
242
243	/******************** object codes ********************/
244
245	#define O_ELLIPSE 1
246	#define O_POLYLINE 2
247	#define O_SPLINE 3
248	#define O_TEXT 4
249	#define O_ARC 5
250	#define O_COMPOUND 6
251	#define O_END_COMPOUND (-O_COMPOUND)
252	#define O_ALL_OBJECT 99
253
254	/********** object styles (except for f_text) **********/
255
256	#define SOLID_LINE 0
257	#define DASH_LINE 1
258	#define DOTTED_LINE 2
259
260	#define CLOSED_PATH 0
261	#define OPEN_PATH 1

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