1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
/* $Xorg: paths.h,v 1.3 2000/08/17 19:46:31 cpqbld Exp $ */
/* Copyright International Business Machines, Corp. 1991
* All Rights Reserved
* Copyright Lexmark International, Inc. 1991
* All Rights Reserved
*
* License to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of IBM or Lexmark not be
* used in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
*
* IBM AND LEXMARK PROVIDE THIS SOFTWARE "AS IS", WITHOUT ANY WARRANTIES OF
* ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
* AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. THE ENTIRE RISK AS TO THE
* QUALITY AND PERFORMANCE OF THE SOFTWARE, INCLUDING ANY DUTY TO SUPPORT
* OR MAINTAIN, BELONGS TO THE LICENSEE. SHOULD ANY PORTION OF THE
* SOFTWARE PROVE DEFECTIVE, THE LICENSEE (NOT IBM OR LEXMARK) ASSUMES THE
* ENTIRE COST OF ALL SERVICING, REPAIR AND CORRECTION. IN NO EVENT SHALL
* IBM OR LEXMARK BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
* THIS SOFTWARE.
*/
/* $XFree86: xc/lib/font/Type1/paths.h,v 1.3 1999/08/22 08:58:53 dawes Exp $ */
/*SHARED*/
#define Loc(S,x,y) t1_Loc(S,(double)x,(double)y)
#define ILoc(S,x,y) t1_ILoc(S,x,y)
#define Line(P) t1_Line(P)
#define Join(p1,p2) t1_Join(p1,p2)
#define ClosePath(p) t1_ClosePath(p,0)
#define CloseLastSubPath(p) t1_ClosePath(p,1)
#define Conic(B,C,s) t1_Conic(B,C,(double)s)
#define RoundConic(M,C,r) t1_RoundConic(M,C,(double)r)
#define ArcP3(S,P2,P3) t1_ArcP3(S,P2,P3)
#define ArcCA(S,C,d) t1_ArcCA(S,C,(double)d)
#define Bezier(B,C,D) t1_Bezier(B,C,D)
#define Hint(S,r,w,o,h,a,d,l) t1_Hint(S,r,w,o,h,a,d,l)
#define Reverse(p) t1_Reverse(p)
#define ReverseSubPaths(p) t1_ReverseSubPaths(p)
#define AddLoc(p1,p2) t1_Join(p1,p2)
#define SubLoc(p1,p2) t1_SubLoc(p1,p2)
#define DropSegment(p) t1_DropSegment(p)
#define HeadSegment(p) t1_HeadSegment(p)
#define QueryLoc(P,S,x,y) t1_QueryLoc(P,S,x,y)
#define QueryPath(p,t,B,C,D,r) t1_QueryPath(p,t,B,C,D,r)
#define QueryBounds(p,S,x1,y1,x2,y2) t1_QueryBounds(p,S,x1,y1,x2,y2)
/* create a location object (or "move" segment) */
extern struct segment *t1_Loc ( struct XYspace *S, double x, double y );
/* integer argument version of same */
extern struct segment *t1_ILoc ( struct XYspace *S, int x, int y );
/* straight line path segment */
extern struct segment *t1_Line ( struct segment *P );
/* join two paths or regions together */
extern struct segment *t1_Join ( struct segment *p1, struct segment *p2 );
/* close a path or path set */
extern struct segment *t1_ClosePath ( struct segment *p0, int lastonly );
#if 0
struct conicsegment *t1_Conic(); /* conic curve path segment */
struct conicsegment *t1_RoundConic(); /* ditto, specified another way */
struct conicsegment *t1_ArcP3(); /* circular path segment with three points */
struct conicsegment *t1_ArcCA(); /* ditto, with center point and angle */
#endif
/* Bezier third order curve path segment */
extern struct beziersegment *t1_Bezier ( struct segment *B, struct segment *C,
struct segment *D );
/* Query location; return its (x,y) */
extern void t1_QueryLoc ( struct segment *P, struct XYspace *S, double *xP,
double *yP );
/*END SHARED*/
/*SHARED*/
#define CopyPath(p) t1_CopyPath(p)
#define KillPath(p) t1_KillPath(p)
#define PathTransform(p,m) t1_PathXform(p,m)
#define PathDelta(p,pt) t1_PathDelta(p,pt)
#define BoundingBox(h,w) t1_BoundingBox(h,w)
#define PathSegment(t,x,y) t1_PathSegment(t,(fractpel)x,(fractpel)y)
#define JoinSegment(b,t,x,y,a) t1_JoinSegment(b,t,(fractpel)x,(fractpel)y,a)
#define Hypoteneuse(dx,dy) t1_Hypoteneuse(dx,dy)
/* duplicate a path */
extern struct segment *t1_CopyPath ( struct segment *p0 );
/* destroy a path */
extern void t1_KillPath ( struct segment *p );
/* transform a path arbitrarily */
extern struct segment *t1_PathXform ( struct segment *p0, struct XYspace *S );
/* calculate the ending point of a path */
extern void t1_PathDelta ( struct segment *p, struct fractpoint *pt );
/* produce a MOVE or LINE segment */
extern struct segment *t1_PathSegment ( int type, fractpel x, fractpel y );
/* join a MOVE or LINE segment to a path */
extern struct segment *t1_JoinSegment ( struct segment *before, int type, fractpel x, fractpel y, struct segment *after );
/*END SHARED*/
/*SHARED*/
#define ConsumePath(p) MAKECONSUME(p,KillPath(p))
#define UniquePath(p) MAKEUNIQUE(p,CopyPath(p))
/*END SHARED*/
/*SHARED*/
struct segment {
XOBJ_COMMON /* xobject common data define 3-26-91 PNM */
unsigned char size; /* size of the structure */
unsigned char context; /* index to device context */
struct segment *link; /* pointer to next structure in linked list */
struct segment *last; /* pointer to last structure in list */
struct fractpoint dest; /* relative ending location of path segment */
} ;
#define ISCLOSED(flag) ((flag)&0x80) /* subpath is closed */
#define LASTCLOSED(flag) ((flag)&0x40) /* last segment in closed subpath */
/*
NOTE: The ISCLOSED flag is set on the MOVETYPE segment before the
subpath proper; the LASTCLOSED flag is set on the last segment (LINETYPE)
in the subpath
We define the ISPATHANCHOR predicate to test that a path handle
passed by the user is valid:
*/
#define ISPATHANCHOR(p) (ISPATHTYPE(p->type)&&p->last!=NULL)
/*
For performance reasons, a user's "location" object is identical to
a path whose only segment is a move segment. We define a predicate
to test for this case. See also :hdref refid=location..
*/
#define ISLOCATION(p) ((p)->type == MOVETYPE && (p)->link == NULL)
/*END SHARED*/
/*SHARED*/
struct conicsegment {
XOBJ_COMMON /* xobject common data define 3-26-91 PNM */
/* type = CONICTYPE */
unsigned char size; /* as with any 'segment' type */
unsigned char context; /* as with any 'segment' type */
struct segment *link; /* as with any 'segment' type */
struct segment *last; /* as with any 'segment' type */
struct fractpoint dest; /* Ending point (C point) */
struct fractpoint M; /* "midpoint" of conic explained above */
float roundness; /* explained above */
} ;
/*END SHARED*/
/*SHARED*/
struct beziersegment {
XOBJ_COMMON /* xobject common data define 3-26-91 PNM */
/* type = BEZIERTYPE */
unsigned char size; /* as with any 'segment' type */
unsigned char context; /* as with any 'segment' type */
struct segment *link; /* as with any 'segment' type */
struct segment *last; /* as with any 'segment' type */
struct fractpoint dest; /* ending point (D) */
struct fractpoint B; /* control point B */
struct fractpoint C; /* control point C */
} ;
/*END SHARED*/
/*SHARED*/
struct hintsegment {
XOBJ_COMMON /* xobject common data define 3-26-91 PNM */
/* type = HINTTYPE */
unsigned char size; /* size of the structure */
unsigned char context; /* device context */
struct segment *link; /* pointer to next structure in linked list */
struct segment *last; /* pointer to last structure in list */
struct fractpoint dest; /* ALWAYS 0,0 */
struct fractpoint ref;
struct fractpoint width;
char orientation;
char hinttype;
char adjusttype;
char direction;
int label;
} ;
/*END SHARED*/
/*SHARED*/
/*
CONCAT links the 'p2' path chain on the end of the 'p1' chain. (This macro
is also used by the STROKES module.)
*/
#define CONCAT(p1, p2) { \
p1->last->link = p2; /* link p2 on end of p1 */ \
p1->last = p2->last; /* last of new is last of p2 */ \
p2->last = NULL; } /* only first segment has non-NULL "last" */
/*END SHARED*/
|
