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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
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Checked in the following released items:
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Diffstat (limited to 'xorg-server/mi/mifpoly.h')
-rw-r--r--xorg-server/mi/mifpoly.h102
1 files changed, 102 insertions, 0 deletions
diff --git a/xorg-server/mi/mifpoly.h b/xorg-server/mi/mifpoly.h
new file mode 100644
index 000000000..7bd77b356
--- /dev/null
+++ b/xorg-server/mi/mifpoly.h
@@ -0,0 +1,102 @@
+/***********************************************************
+
+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.
+
+******************************************************************/
+
+#ifndef __MIFPOLY_H__
+#define __MIFPOLY_H__
+
+#include <X11/Xfuncproto.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 */
+
+static _X_INLINE int ICEIL(double x)
+{
+ int _cTmp = x;
+ return ((x == _cTmp) || (x < 0.0)) ? _cTmp : _cTmp+1;
+}
+
+/* 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__ */