X-Git-Url: https://git.sesse.net/?p=rdpsrv;a=blobdiff_plain;f=Xserver%2Fprograms%2FXserver%2Fmi%2Fmifpoly.h;fp=Xserver%2Fprograms%2FXserver%2Fmi%2Fmifpoly.h;h=44be2ada18b13dda46c039cd44a2b5e6f6df0414;hp=0000000000000000000000000000000000000000;hb=b6e6afccf37f4ad0515ef2a698f714fdf1bf23b3;hpb=e3340a110a3b01756b8e67531395a33b40a17d37 diff --git a/Xserver/programs/Xserver/mi/mifpoly.h b/Xserver/programs/Xserver/mi/mifpoly.h new file mode 100644 index 0000000..44be2ad --- /dev/null +++ b/Xserver/programs/Xserver/mi/mifpoly.h @@ -0,0 +1,109 @@ +/* $XConsortium: mifpoly.h,v 1.9 94/04/17 20:27:35 dpw Exp $ */ +/*********************************************************** + +Copyright (c) 1987 X Consortium + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of the X Consortium shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from the X Consortium. + + +Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +Permission 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 Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL 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. + +******************************************************************/ + +#define EPSILON 0.000001 +#define ISEQUAL(a,b) (Fabs((a) - (b)) <= EPSILON) +#define UNEQUAL(a,b) (Fabs((a) - (b)) > EPSILON) +#define WITHINHALF(a, b) (((a) - (b) > 0.0) ? (a) - (b) < 0.5 : \ + (b) - (a) <= 0.5) +#define ROUNDTOINT(x) ((int) (((x) > 0.0) ? ((x) + 0.5) : ((x) - 0.5))) +#define ISZERO(x) (Fabs((x)) <= EPSILON) +#define PTISEQUAL(a,b) (ISEQUAL(a.x,b.x) && ISEQUAL(a.y,b.y)) +#define PTUNEQUAL(a,b) (UNEQUAL(a.x,b.x) || UNEQUAL(a.y,b.y)) +#define PtEqual(a, b) (((a).x == (b).x) && ((a).y == (b).y)) + +#define NotEnd 0 +#define FirstEnd 1 +#define SecondEnd 2 + +#define SQSECANT 108.856472512142 /* 1/sin^2(11/2) - for 11o miter cutoff */ +#define D2SECANT 5.21671526231167 /* 1/2*sin(11/2) - max extension per width */ + +#ifdef NOINLINEICEIL +#define ICEIL(x) ((int)ceil(x)) +#else +#ifdef __GNUC__ +static __inline int ICEIL(x) + double x; +{ + int _cTmp = x; + return ((x == _cTmp) || (x < 0.0)) ? _cTmp : _cTmp+1; +} +#else +#define ICEIL(x) ((((x) == (_cTmp = (x))) || ((x) < 0.0)) ? _cTmp : _cTmp+1) +#define ICEILTEMPDECL static int _cTmp; +#endif +#endif + +/* Point with sub-pixel positioning. In this case we use doubles, but + * see mifpolycon.c for other suggestions + */ +typedef struct _SppPoint { + double x, y; +} SppPointRec, *SppPointPtr; + +typedef struct _SppArc { + double x, y, width, height; + double angle1, angle2; +} SppArcRec, *SppArcPtr; + +/* mifpolycon.c */ + +extern void miFillSppPoly( +#if NeedFunctionPrototypes + DrawablePtr /*dst*/, + GCPtr /*pgc*/, + int /*count*/, + SppPointPtr /*ptsIn*/, + int /*xTrans*/, + int /*yTrans*/, + double /*xFtrans*/, + double /*yFtrans*/ +#endif +);