Import X server from vnc-3.3.7.

[rdpsrv] / Xserver / programs / Xserver / mi / mifpoly.h

diff --git a/Xserver/programs/Xserver/mi/mifpoly.h b/Xserver/programs/Xserver/mi/mifpoly.h
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+/* $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
+);