diff options
Diffstat (limited to 'nx-X11/programs/Xserver/mi/mifpoly.h')
| -rw-r--r-- | nx-X11/programs/Xserver/mi/mifpoly.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/mi/mifpoly.h b/nx-X11/programs/Xserver/mi/mifpoly.h new file mode 100644 index 000000000..79f606b4d --- /dev/null +++ b/nx-X11/programs/Xserver/mi/mifpoly.h @@ -0,0 +1,111 @@ +/* $Xorg: mifpoly.h,v 1.4 2001/02/09 02:05:20 xorgcvs Exp $ */ +/*********************************************************** + +Copyright 1987, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 +OPEN GROUP 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 Open Group 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 Open Group. + + +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. + +******************************************************************/ +/* $XFree86: xc/programs/Xserver/mi/mifpoly.h,v 1.3 2001/10/25 12:03:47 alanh Exp $ */ + +#ifndef __MIFPOLY_H__ +#define __MIFPOLY_H__ + +#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(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( + DrawablePtr /*dst*/, + GCPtr /*pgc*/, + int /*count*/, + SppPointPtr /*ptsIn*/, + int /*xTrans*/, + int /*yTrans*/, + double /*xFtrans*/, + double /*yFtrans*/ +); + +#endif /* __MIFPOLY_H__ */ |