+++ /dev/null
-/* $XConsortium: paths.h,v 1.2 91/10/10 11:18:50 rws 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.
- */
-/*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)
-
-
-struct segment *t1_Loc(); /* create a location object (or "move" segment) */
-struct segment *t1_ILoc(); /* integer argument version of same */
-struct segment *t1_Line(); /* straight line path segment */
-struct segment *t1_Join(); /* join two paths or regions together */
-struct segment *t1_ClosePath(); /* close a path or path set */
-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 */
-struct beziersegment *t1_Bezier(); /* Bezier third order curve path segment */
-struct hintsegment *t1_Hint(); /* produce a font 'hint' path segment */
-struct segment *t1_Reverse(); /* reverse the complete order of paths */
-struct segment *t1_ReverseSubPaths(); /* reverse only sub-paths; moves unchanged */
-struct segment *t1_SubLoc(); /* subtract two location objects */
-struct segment *t1_DropSegment(); /* Drop the first segment in a path */
-struct segment *t1_HeadSegment(); /* return the first segment in a path */
-void t1_QueryLoc(); /* Query location; return its (x,y) */
-void t1_QueryPath(); /* Query segment at head of a path */
-void t1_QueryBounds(); /* Query the bounding box of a path */
-
-/*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)
-#define BoxPath(S,h,w) t1_BoxPath(S,h,w)
-
-struct segment *t1_CopyPath(); /* duplicate a path */
-void t1_KillPath(); /* destroy a path */
-struct segment *t1_PathXform(); /* transform a path arbitrarily */
-void t1_PathDelta(); /* calculate the ending point of a path */
-struct segment *t1_PathSegment(); /* produce a MOVE or LINE segment */
-struct segment *t1_JoinSegment(); /* join a MOVE or LINE segment to a path */
-double t1_Hypoteneuse(); /* returns the length of a line */
-struct segment *t1_BoxPath(); /* returns a rectangular path */
-
-/*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*/
projects / rdpsrv / blobdiff