/*

Copyright 1988, 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.

*/

/*

 * The interfaces described by this header file are for miscellaneous utilities

 * and are not part of the Xlib standard.

 */

#ifndef _XMU_H_

#define _XMU_H_

#include <X11/Xfuncproto.h>

#include <X11/Intrinsic.h>

#include <X11/Xmu/Atoms.h>		/* _XA_... */

#include <X11/Xmu/CharSet.h>		/* CopyISOLatin1Lowered */

#include <X11/Xmu/Converters.h>		/* CvtStringTo... */

#include <X11/Xmu/Drawing.h>		/* DrawRoundedRect, DrawLogo */

#include <X11/Xmu/Error.h>		/* PrintDefaultError */

#include <X11/Xmu/StdSel.h>		/* ConvertStandardSelection */

/*

 * clip lists

 */

typedef struct _XmuSegment {

  int x1, x2;

  struct _XmuSegment *next;

} XmuSegment;

typedef struct _XmuScanline {

  int y;

  XmuSegment *segment;

  struct _XmuScanline *next;

} XmuScanline;

typedef struct _XmuArea {

  XmuScanline *scanline;

} XmuArea;

#define XmuCreateArea()		XmuNewArea(0, 0, 0, 0)

#define XmuAreaOr(dst, src)	XmuAreaOrXor((dst), (src), True)

#define XmuAreaXor(dst, src)	XmuAreaOrXor((dst), (src), False)

#define XmuDestroyArea(a)					\

		  do {						\

		    XmuDestroyScanlineList((a)->scanline);	\

		    XtFree((char *)(a));			\

		  } while (0)

#define FreeArea(a)						\

		  do {						\

		    XmuDestroyScanlineList((a)->scanline);	\

		    a->scanline = (Scanline *)0;		\

		  } while (0)

#define XmuValidSegment(s)	((s)->x1 < (s)->x2)

#define XmuSegmentEqu(s1, s2)	((s1)->x1 == (s2)->x1 && (s1)->x2 == (s2)->x2)

#define XmuDestroySegment(s)	XtFree((char *)(s))

#define XmuDestroyScanline(s)					\

		  do {						\

		    XmuDestroySegmentList((s)->segment);	\

		    XtFree((char*)(s));				\

		  } while (0)

XmuArea *XmuNewArea(int, int, int, int);

XmuArea *XmuAreaDup(XmuArea*);

XmuArea *XmuAreaCopy(XmuArea*, XmuArea*);

XmuArea *XmuAreaNot(XmuArea*, int, int, int, int);

XmuArea *XmuAreaOrXor(XmuArea*, XmuArea*, Bool);

XmuArea *XmuAreaAnd(XmuArea*, XmuArea*);

Bool XmuValidArea(XmuArea*);

Bool XmuValidScanline(XmuScanline*);

Bool XmuScanlineEqu(XmuScanline*, XmuScanline*);

XmuSegment *XmuNewSegment(int, int);

void XmuDestroySegmentList(XmuSegment*);

XmuScanline *XmuScanlineCopy(XmuScanline*, XmuScanline*);

Bool XmuAppendSegment(XmuSegment*, XmuSegment*);

XmuScanline *XmuOptimizeScanline(XmuScanline*);

XmuScanline *XmuScanlineNot(XmuScanline *scanline, int, int);

XmuScanline *XmuScanlineOr(XmuScanline*, XmuScanline*);

XmuScanline *XmuScanlineAnd(XmuScanline*, XmuScanline*);

XmuScanline *XmuScanlineXor(XmuScanline*, XmuScanline*);

XmuScanline *XmuNewScanline(int, int, int);

void XmuDestroyScanlineList(XmuScanline*);

XmuArea *XmuOptimizeArea(XmuArea *area);

#ifndef notdef

XmuScanline *XmuScanlineOrSegment(XmuScanline*, XmuSegment*);

XmuScanline *XmuScanlineAndSegment(XmuScanline*, XmuSegment*);

XmuScanline *XmuScanlineXorSegment(XmuScanline*, XmuSegment*);

#endif /* notdef */

#ifndef _SYSUTIL_H_

int XmuSnprintf(char *str, int size, _Xconst char *fmt, ...)

    _X_ATTRIBUTE_PRINTF(3,4);

#endif

#endif /* _XMU_H_ */