73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/*
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* Copyright © 2002 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#ifndef _XFIXES_H_
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#define _XFIXES_H_
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#include "resource.h"
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extern _X_EXPORT RESTYPE RegionResType;
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extern _X_EXPORT RESTYPE PointerBarrierType;
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extern _X_EXPORT int XFixesErrorBase;
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#define VERIFY_REGION(pRegion, rid, client, mode) \
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do { \
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int err; \
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err = dixLookupResourceByType((pointer *) &pRegion, rid, \
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RegionResType, client, mode); \
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if (err != Success) { \
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client->errorValue = rid; \
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return err; \
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} \
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} while (0)
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#define VERIFY_REGION_OR_NONE(pRegion, rid, client, mode) { \
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pRegion = 0; \
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if (rid) VERIFY_REGION(pRegion, rid, client, mode); \
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}
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extern _X_EXPORT RegionPtr
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XFixesRegionCopy (RegionPtr pRegion);
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struct PointerBarrier {
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CARD16 x1, x2, y1, y2;
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CARD32 directions;
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};
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extern int
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barrier_get_direction(int, int, int, int);
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extern BOOL
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barrier_is_blocking(const struct PointerBarrier*, int, int, int, int, double*);
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extern BOOL
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barrier_is_blocking_direction(const struct PointerBarrier*, int);
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extern void
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barrier_clamp_to_barrier(struct PointerBarrier *barrier, int dir, int *x, int *y);
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#endif /* _XFIXES_H_ */
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