VirtualBox

source: vbox/trunk/src/VBox/Additions/x11/x11include/1.4/xorg/regionstr.h@ 6202

Last change on this file since 6202 was 6202, checked in by vboxsync, 17 years ago

re-export x11
  • Property svn:eol-style set to native
File size: 8.5 KB
Line 
1/***********************************************************
2
3Copyright 1987, 1998 The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21Except as contained in this notice, the name of The Open Group shall not be
22used in advertising or otherwise to promote the sale, use or other dealings
23in this Software without prior written authorization from The Open Group.
24
25
26Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
27
28 All Rights Reserved
29
30Permission to use, copy, modify, and distribute this software and its
31documentation for any purpose and without fee is hereby granted,
32provided that the above copyright notice appear in all copies and that
33both that copyright notice and this permission notice appear in
34supporting documentation, and that the name of Digital not be
35used in advertising or publicity pertaining to distribution of the
36software without specific, written prior permission.
37
38DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
39ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
40DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
41ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
42WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
43ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
44SOFTWARE.
45
46******************************************************************/
47
48#ifndef REGIONSTRUCT_H
49#define REGIONSTRUCT_H
50
51typedef struct pixman_region16 RegionRec, *RegionPtr;
52
53#include "miscstruct.h"
54
55/* Return values from RectIn() */
56
57#define rgnOUT 0
58#define rgnIN 1
59#define rgnPART 2
60
61#define NullRegion ((RegionPtr)0)
62
63/*
64 * clip region
65 */
66
67typedef struct pixman_region16_data RegDataRec, *RegDataPtr;
68
69extern BoxRec miEmptyBox;
70extern RegDataRec miEmptyData;
71extern RegDataRec miBrokenData;
72
73#define REGION_NIL(reg) ((reg)->data && !(reg)->data->numRects)
74/* not a region */
75#define REGION_NAR(reg) ((reg)->data == &miBrokenData)
76#define REGION_NUM_RECTS(reg) ((reg)->data ? (reg)->data->numRects : 1)
77#define REGION_SIZE(reg) ((reg)->data ? (reg)->data->size : 0)
78#define REGION_RECTS(reg) ((reg)->data ? (BoxPtr)((reg)->data + 1) \
79 : &(reg)->extents)
80#define REGION_BOXPTR(reg) ((BoxPtr)((reg)->data + 1))
81#define REGION_BOX(reg,i) (&REGION_BOXPTR(reg)[i])
82#define REGION_TOP(reg) REGION_BOX(reg, (reg)->data->numRects)
83#define REGION_END(reg) REGION_BOX(reg, (reg)->data->numRects - 1)
84#define REGION_SZOF(n) (sizeof(RegDataRec) + ((n) * sizeof(BoxRec)))
85
86#define REGION_CREATE(_pScreen, _rect, _size) \
87 miRegionCreate(_rect, _size)
88
89#define REGION_COPY(_pScreen, dst, src) \
90 miRegionCopy(dst, src)
91
92#define REGION_DESTROY(_pScreen, _pReg) \
93 miRegionDestroy(_pReg)
94
95#define REGION_INTERSECT(_pScreen, newReg, reg1, reg2) \
96 miIntersect(newReg, reg1, reg2)
97
98#define REGION_UNION(_pScreen, newReg, reg1, reg2) \
99 miUnion(newReg, reg1, reg2)
100
101#define REGION_SUBTRACT(_pScreen, newReg, reg1, reg2) \
102 miSubtract(newReg, reg1, reg2)
103
104#define REGION_INVERSE(_pScreen, newReg, reg1, invRect) \
105 miInverse(newReg, reg1, invRect)
106
107#define REGION_TRANSLATE(_pScreen, _pReg, _x, _y) \
108 miTranslateRegion(_pReg, _x, _y)
109
110#define RECT_IN_REGION(_pScreen, _pReg, prect) \
111 miRectIn(_pReg, prect)
112
113#define POINT_IN_REGION(_pScreen, _pReg, _x, _y, prect) \
114 miPointInRegion(_pReg, _x, _y, prect)
115
116#define REGION_APPEND(_pScreen, dstrgn, rgn) \
117 miRegionAppend(dstrgn, rgn)
118
119#define REGION_VALIDATE(_pScreen, badreg, pOverlap) \
120 miRegionValidate(badreg, pOverlap)
121
122#define BITMAP_TO_REGION(_pScreen, pPix) \
123 (*(_pScreen)->BitmapToRegion)(pPix) /* no mi version?! */
124
125#define RECTS_TO_REGION(_pScreen, nrects, prect, ctype) \
126 miRectsToRegion(nrects, prect, ctype)
127
128#define REGION_EQUAL(_pScreen, _pReg1, _pReg2) \
129 miRegionEqual(_pReg1, _pReg2)
130
131#define REGION_BREAK(_pScreen, _pReg) \
132 miRegionBreak(_pReg)
133
134#ifdef DONT_INLINE_REGION_OPS
135
136#define REGION_INIT(_pScreen, _pReg, _rect, _size) \
137 miRegionInit(_pReg, _rect, _size)
138
139#define REGION_UNINIT(_pScreen, _pReg) \
140 miRegionUninit(_pReg)
141
142#define REGION_RESET(_pScreen, _pReg, _pBox) \
143 miRegionReset(_pReg, _pBox)
144
145#define REGION_NOTEMPTY(_pScreen, _pReg) \
146 miRegionNotEmpty(_pReg)
147
148#define REGION_BROKEN(_pScreen, _pReg) \
149 miRegionBroken(_pReg)
150
151#define REGION_EMPTY(_pScreen, _pReg) \
152 miRegionEmpty(_pReg)
153
154#define REGION_EXTENTS(_pScreen, _pReg) \
155 miRegionExtents(_pReg)
156
157#else /* inline certain simple region ops for performance */
158
159#define REGION_INIT(_pScreen, _pReg, _rect, _size) \
160{ \
161 if (_rect) \
162 { \
163 (_pReg)->extents = *(_rect); \
164 (_pReg)->data = (RegDataPtr)NULL; \
165 } \
166 else \
167 { \
168 (_pReg)->extents = miEmptyBox; \
169 if (((_size) > 1) && ((_pReg)->data = \
170 (RegDataPtr)xalloc(REGION_SZOF(_size)))) \
171 { \
172 (_pReg)->data->size = (_size); \
173 (_pReg)->data->numRects = 0; \
174 } \
175 else \
176 (_pReg)->data = &miEmptyData; \
177 } \
178 }
179
180
181#define REGION_UNINIT(_pScreen, _pReg) \
182{ \
183 if ((_pReg)->data && (_pReg)->data->size) { \
184 xfree((_pReg)->data); \
185 (_pReg)->data = NULL; \
186 } \
187}
188
189#define REGION_RESET(_pScreen, _pReg, _pBox) \
190{ \
191 (_pReg)->extents = *(_pBox); \
192 REGION_UNINIT(_pScreen, _pReg); \
193 (_pReg)->data = (RegDataPtr)NULL; \
194}
195
196#define REGION_NOTEMPTY(_pScreen, _pReg) \
197 !REGION_NIL(_pReg)
198
199#define REGION_BROKEN(_pScreen, _pReg) \
200 REGION_NAR(_pReg)
201
202#define REGION_EMPTY(_pScreen, _pReg) \
203{ \
204 REGION_UNINIT(_pScreen, _pReg); \
205 (_pReg)->extents.x2 = (_pReg)->extents.x1; \
206 (_pReg)->extents.y2 = (_pReg)->extents.y1; \
207 (_pReg)->data = &miEmptyData; \
208}
209
210#define REGION_EXTENTS(_pScreen, _pReg) \
211 (&(_pReg)->extents)
212
213#define REGION_NULL(_pScreen, _pReg) \
214{ \
215 (_pReg)->extents = miEmptyBox; \
216 (_pReg)->data = &miEmptyData; \
217}
218
219#endif /* DONT_INLINE_REGION_OPS */
220
221#ifndef REGION_NULL
222#define REGION_NULL(_pScreen, _pReg) \
223 REGION_INIT(_pScreen, _pReg, NullBox, 1)
224#endif
225
226/* moved from mi.h */
227
228extern void InitRegions (void);
229
230extern RegionPtr miRegionCreate(
231 BoxPtr /*rect*/,
232 int /*size*/);
233
234extern void miRegionInit(
235 RegionPtr /*pReg*/,
236 BoxPtr /*rect*/,
237 int /*size*/);
238
239extern void miRegionDestroy(
240 RegionPtr /*pReg*/);
241
242extern void miRegionUninit(
243 RegionPtr /*pReg*/);
244
245extern Bool miRegionCopy(
246 RegionPtr /*dst*/,
247 RegionPtr /*src*/);
248
249extern Bool miIntersect(
250 RegionPtr /*newReg*/,
251 RegionPtr /*reg1*/,
252 RegionPtr /*reg2*/);
253
254extern Bool miUnion(
255 RegionPtr /*newReg*/,
256 RegionPtr /*reg1*/,
257 RegionPtr /*reg2*/);
258
259extern Bool miRegionAppend(
260 RegionPtr /*dstrgn*/,
261 RegionPtr /*rgn*/);
262
263extern Bool miRegionValidate(
264 RegionPtr /*badreg*/,
265 Bool * /*pOverlap*/);
266
267extern RegionPtr miRectsToRegion(
268 int /*nrects*/,
269 xRectanglePtr /*prect*/,
270 int /*ctype*/);
271
272extern Bool miSubtract(
273 RegionPtr /*regD*/,
274 RegionPtr /*regM*/,
275 RegionPtr /*regS*/);
276
277extern Bool miInverse(
278 RegionPtr /*newReg*/,
279 RegionPtr /*reg1*/,
280 BoxPtr /*invRect*/);
281
282extern int miRectIn(
283 RegionPtr /*region*/,
284 BoxPtr /*prect*/);
285
286extern void miTranslateRegion(
287 RegionPtr /*pReg*/,
288 int /*x*/,
289 int /*y*/);
290
291extern void miRegionReset(
292 RegionPtr /*pReg*/,
293 BoxPtr /*pBox*/);
294
295extern Bool miRegionBreak(
296 RegionPtr /*pReg*/);
297
298extern Bool miPointInRegion(
299 RegionPtr /*pReg*/,
300 int /*x*/,
301 int /*y*/,
302 BoxPtr /*box*/);
303
304extern Bool miRegionEqual(
305 RegionPtr /*pReg1*/,
306 RegionPtr /*pReg2*/);
307
308extern Bool miRegionNotEmpty(
309 RegionPtr /*pReg*/);
310
311extern void miRegionEmpty(
312 RegionPtr /*pReg*/);
313
314extern BoxPtr miRegionExtents(
315 RegionPtr /*pReg*/);
316
317extern void miPrintRegion(
318 RegionPtr /*pReg*/);
319
320#endif /* REGIONSTRUCT_H */
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