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      1 /*
      2 
      3 Copyright 1988, 1998  The Open Group
      4 
      5 Permission to use, copy, modify, distribute, and sell this software and its
      6 documentation for any purpose is hereby granted without fee, provided that
      7 the above copyright notice appear in all copies and that both that
      8 copyright notice and this permission notice appear in supporting
      9 documentation.
     10 
     11 The above copyright notice and this permission notice shall be included in
     12 all copies or substantial portions of the Software.
     13 
     14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
     17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
     18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     20 
     21 Except as contained in this notice, the name of The Open Group shall not be
     22 used in advertising or otherwise to promote the sale, use or other dealings
     23 in this Software without prior written authorization from The Open Group.
     24 
     25 */
     26 
     27 /*
     28  * The interfaces described by this header file are for miscellaneous utilities
     29  * and are not part of the Xlib standard.
     30  */
     31 
     32 #ifndef _XMU_H_
     33 #define _XMU_H_
     34 
     35 #include <X11/Xfuncproto.h>
     36 #include <X11/Intrinsic.h>
     37 #include <X11/Xmu/Atoms.h>		/* _XA_... */
     38 #include <X11/Xmu/CharSet.h>		/* CopyISOLatin1Lowered */
     39 #include <X11/Xmu/Converters.h>		/* CvtStringTo... */
     40 #include <X11/Xmu/Drawing.h>		/* DrawRoundedRect, DrawLogo */
     41 #include <X11/Xmu/Error.h>		/* PrintDefaultError */
     42 #include <X11/Xmu/StdSel.h>		/* ConvertStandardSelection */
     43 
     44 /*
     45  * clip lists
     46  */
     47 typedef struct _XmuSegment {
     48   int x1, x2;
     49   struct _XmuSegment *next;
     50 } XmuSegment;
     51 
     52 typedef struct _XmuScanline {
     53   int y;
     54   XmuSegment *segment;
     55   struct _XmuScanline *next;
     56 } XmuScanline;
     57 
     58 typedef struct _XmuArea {
     59   XmuScanline *scanline;
     60 } XmuArea;
     61 
     62 #define XmuCreateArea()		XmuNewArea(0, 0, 0, 0)
     63 #define XmuAreaOr(dst, src)	XmuAreaOrXor((dst), (src), True)
     64 #define XmuAreaXor(dst, src)	XmuAreaOrXor((dst), (src), False)
     65 
     66 #define XmuDestroyArea(a)					\
     67 		  do {						\
     68 		    XmuDestroyScanlineList((a)->scanline);	\
     69 		    XtFree((char *)(a));			\
     70 		  } while (0)
     71 
     72 #define FreeArea(a)						\
     73 		  do {						\
     74 		    XmuDestroyScanlineList((a)->scanline);	\
     75 		    a->scanline = (Scanline *)0;		\
     76 		  } while (0)
     77 
     78 #define XmuValidSegment(s)	((s)->x1 < (s)->x2)
     79 #define XmuSegmentEqu(s1, s2)	((s1)->x1 == (s2)->x1 && (s1)->x2 == (s2)->x2)
     80 #define XmuDestroySegment(s)	XtFree((char *)(s))
     81 
     82 #define XmuDestroyScanline(s)					\
     83 		  do {						\
     84 		    XmuDestroySegmentList((s)->segment);	\
     85 		    XtFree((char*)(s));				\
     86 		  } while (0)
     87 
     88 XmuArea *XmuNewArea(int, int, int, int);
     89 XmuArea *XmuAreaDup(XmuArea*);
     90 XmuArea *XmuAreaCopy(XmuArea*, XmuArea*);
     91 XmuArea *XmuAreaNot(XmuArea*, int, int, int, int);
     92 XmuArea *XmuAreaOrXor(XmuArea*, XmuArea*, Bool);
     93 XmuArea *XmuAreaAnd(XmuArea*, XmuArea*);
     94 Bool XmuValidArea(XmuArea*);
     95 Bool XmuValidScanline(XmuScanline*);
     96 Bool XmuScanlineEqu(XmuScanline*, XmuScanline*);
     97 XmuSegment *XmuNewSegment(int, int);
     98 void XmuDestroySegmentList(XmuSegment*);
     99 XmuScanline *XmuScanlineCopy(XmuScanline*, XmuScanline*);
    100 Bool XmuAppendSegment(XmuSegment*, XmuSegment*);
    101 XmuScanline *XmuOptimizeScanline(XmuScanline*);
    102 XmuScanline *XmuScanlineNot(XmuScanline *scanline, int, int);
    103 XmuScanline *XmuScanlineOr(XmuScanline*, XmuScanline*);
    104 XmuScanline *XmuScanlineAnd(XmuScanline*, XmuScanline*);
    105 XmuScanline *XmuScanlineXor(XmuScanline*, XmuScanline*);
    106 XmuScanline *XmuNewScanline(int, int, int);
    107 void XmuDestroyScanlineList(XmuScanline*);
    108 XmuArea *XmuOptimizeArea(XmuArea *area);
    109 
    110 #ifndef notdef
    111 XmuScanline *XmuScanlineOrSegment(XmuScanline*, XmuSegment*);
    112 XmuScanline *XmuScanlineAndSegment(XmuScanline*, XmuSegment*);
    113 XmuScanline *XmuScanlineXorSegment(XmuScanline*, XmuSegment*);
    114 #endif /* notdef */
    115 
    116 #ifndef _SYSUTIL_H_
    117 int XmuSnprintf(char *str, int size, _Xconst char *fmt, ...)
    118     _X_ATTRIBUTE_PRINTF(3,4);
    119 #endif
    120 
    121 #endif /* _XMU_H_ */
    122 
    123