/* $TOG: mifpoly.h /main/10 1998/02/09 14:47:09 kaleb $ *//***********************************************************Copyright 1987, 1998  The Open GroupAll Rights Reserved.The above copyright notice and this permission notice shall be included inall copies or substantial portions of the Software.THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS ORIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THEOPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER INAN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR INCONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.Except as contained in this notice, the name of The Open Group shall not beused in advertising or otherwise to promote the sale, use or other dealingsin this Software without prior written authorization from The Open Group.Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.                        All Rights ReservedPermission 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 thatboth that copyright notice and this permission notice appear in supporting documentation, and that the name of Digital not beused in advertising or publicity pertaining to distribution of thesoftware without specific, written prior permission.  DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDINGALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALLDIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES ORANY 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 THISSOFTWARE.******************************************************************/#ifndef MIFPOLY_H#define MIFPOLY_H 1#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 */#ifndef ICIEL#ifdef NOINLINEICEIL#define ICEIL(x) ((int)ceil(x))#else#ifdef __GNUC__#define ICEIL ICIELstatic __inline int ICEIL(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#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(    GdkDrawable* dst,    GdkGC* pgc,    int count,    SppPointPtr ptsIn,    int xTrans,    int yTrans,    double xFtrans,    double yFtrans);#endif /* MIFPOLY_H */