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Imported Upstream version 1.15.1
[deb_xorg-server.git] / include / gcstruct.h
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JB		 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
25Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
26
27 All Rights Reserved
28
29Permission to use, copy, modify, and distribute this software and its
30documentation for any purpose and without fee is hereby granted,
31provided that the above copyright notice appear in all copies and that
32both that copyright notice and this permission notice appear in
33supporting documentation, and that the name of Digital not be
34used in advertising or publicity pertaining to distribution of the
35software without specific, written prior permission.
36
37DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
38ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
39DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
40ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
41WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
42ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
43SOFTWARE.
44
45******************************************************************/
46
47#ifndef GCSTRUCT_H
48#define GCSTRUCT_H
49
50#include "gc.h"
51
52#include "regionstr.h"
53#include "region.h"
54#include "pixmap.h"
55#include "screenint.h"
56#include "privates.h"
57#include <X11/Xprotostr.h>
58
59#define GCAllBits ((1 << (GCLastBit + 1)) - 1)
60
61/*
62 * functions which modify the state of the GC
63 */
64
65typedef struct _GCFuncs {
66 void (*ValidateGC) (GCPtr /*pGC */ ,
67 unsigned long /*stateChanges */ ,
68 DrawablePtr /*pDrawable */ );
69
70 void (*ChangeGC) (GCPtr /*pGC */ ,
71 unsigned long /*mask */ );
72
73 void (*CopyGC) (GCPtr /*pGCSrc */ ,
74 unsigned long /*mask */ ,
75 GCPtr /*pGCDst */ );
76
77 void (*DestroyGC) (GCPtr /*pGC */ );
78
79 void (*ChangeClip) (GCPtr /*pGC */ ,
80 int /*type */ ,
81 pointer /*pvalue */ ,
82 int /*nrects */ );
83
84 void (*DestroyClip) (GCPtr /*pGC */ );
85
86 void (*CopyClip) (GCPtr /*pgcDst */ ,
87 GCPtr /*pgcSrc */ );
88} GCFuncs;
89
90/*
91 * graphics operations invoked through a GC
92 */
93
94typedef struct _GCOps {
95 void (*FillSpans) (DrawablePtr /*pDrawable */ ,
96 GCPtr /*pGC */ ,
97 int /*nInit */ ,
98 DDXPointPtr /*pptInit */ ,
99 int * /*pwidthInit */ ,
100 int /*fSorted */ );
101
102 void (*SetSpans) (DrawablePtr /*pDrawable */ ,
103 GCPtr /*pGC */ ,
104 char * /*psrc */ ,
105 DDXPointPtr /*ppt */ ,
106 int * /*pwidth */ ,
107 int /*nspans */ ,
108 int /*fSorted */ );
109
110 void (*PutImage) (DrawablePtr /*pDrawable */ ,
111 GCPtr /*pGC */ ,
112 int /*depth */ ,
113 int /*x */ ,
114 int /*y */ ,
115 int /*w */ ,
116 int /*h */ ,
117 int /*leftPad */ ,
118 int /*format */ ,
119 char * /*pBits */ );
120
121 RegionPtr (*CopyArea) (DrawablePtr /*pSrc */ ,
122 DrawablePtr /*pDst */ ,
123 GCPtr /*pGC */ ,
124 int /*srcx */ ,
125 int /*srcy */ ,
126 int /*w */ ,
127 int /*h */ ,
128 int /*dstx */ ,
129 int /*dsty */ );
130
131 RegionPtr (*CopyPlane) (DrawablePtr /*pSrcDrawable */ ,
132 DrawablePtr /*pDstDrawable */ ,
133 GCPtr /*pGC */ ,
134 int /*srcx */ ,
135 int /*srcy */ ,
136 int /*width */ ,
137 int /*height */ ,
138 int /*dstx */ ,
139 int /*dsty */ ,
140 unsigned long /*bitPlane */ );
141 void (*PolyPoint) (DrawablePtr /*pDrawable */ ,
142 GCPtr /*pGC */ ,
143 int /*mode */ ,
144 int /*npt */ ,
145 DDXPointPtr /*pptInit */ );
146
147 void (*Polylines) (DrawablePtr /*pDrawable */ ,
148 GCPtr /*pGC */ ,
149 int /*mode */ ,
150 int /*npt */ ,
151 DDXPointPtr /*pptInit */ );
152
153 void (*PolySegment) (DrawablePtr /*pDrawable */ ,
154 GCPtr /*pGC */ ,
155 int /*nseg */ ,
156 xSegment * /*pSegs */ );
157
158 void (*PolyRectangle) (DrawablePtr /*pDrawable */ ,
159 GCPtr /*pGC */ ,
160 int /*nrects */ ,
161 xRectangle * /*pRects */ );
162
163 void (*PolyArc) (DrawablePtr /*pDrawable */ ,
164 GCPtr /*pGC */ ,
165 int /*narcs */ ,
166 xArc * /*parcs */ );
167
168 void (*FillPolygon) (DrawablePtr /*pDrawable */ ,
169 GCPtr /*pGC */ ,
170 int /*shape */ ,
171 int /*mode */ ,
172 int /*count */ ,
173 DDXPointPtr /*pPts */ );
174
175 void (*PolyFillRect) (DrawablePtr /*pDrawable */ ,
176 GCPtr /*pGC */ ,
177 int /*nrectFill */ ,
178 xRectangle * /*prectInit */ );
179
180 void (*PolyFillArc) (DrawablePtr /*pDrawable */ ,
181 GCPtr /*pGC */ ,
182 int /*narcs */ ,
183 xArc * /*parcs */ );
184
185 int (*PolyText8) (DrawablePtr /*pDrawable */ ,
186 GCPtr /*pGC */ ,
187 int /*x */ ,
188 int /*y */ ,
189 int /*count */ ,
190 char * /*chars */ );
191
192 int (*PolyText16) (DrawablePtr /*pDrawable */ ,
193 GCPtr /*pGC */ ,
194 int /*x */ ,
195 int /*y */ ,
196 int /*count */ ,
197 unsigned short * /*chars */ );
198
199 void (*ImageText8) (DrawablePtr /*pDrawable */ ,
200 GCPtr /*pGC */ ,
201 int /*x */ ,
202 int /*y */ ,
203 int /*count */ ,
204 char * /*chars */ );
205
206 void (*ImageText16) (DrawablePtr /*pDrawable */ ,
207 GCPtr /*pGC */ ,
208 int /*x */ ,
209 int /*y */ ,
210 int /*count */ ,
211 unsigned short * /*chars */ );
212
213 void (*ImageGlyphBlt) (DrawablePtr /*pDrawable */ ,
214 GCPtr /*pGC */ ,
215 int /*x */ ,
216 int /*y */ ,
217 unsigned int /*nglyph */ ,
218 CharInfoPtr * /*ppci */ ,
219 pointer /*pglyphBase */ );
220
221 void (*PolyGlyphBlt) (DrawablePtr /*pDrawable */ ,
222 GCPtr /*pGC */ ,
223 int /*x */ ,
224 int /*y */ ,
225 unsigned int /*nglyph */ ,
226 CharInfoPtr * /*ppci */ ,
227 pointer /*pglyphBase */ );
228
229 void (*PushPixels) (GCPtr /*pGC */ ,
230 PixmapPtr /*pBitMap */ ,
231 DrawablePtr /*pDst */ ,
232 int /*w */ ,
233 int /*h */ ,
234 int /*x */ ,
235 int /*y */ );
236} GCOps;
237
238/* there is padding in the bit fields because the Sun compiler doesn't
239 * force alignment to 32-bit boundaries. losers.
240 */
241typedef struct _GC {
242 ScreenPtr pScreen;
243 unsigned char depth;
244 unsigned char alu;
245 unsigned short lineWidth;
246 unsigned short dashOffset;
247 unsigned short numInDashList;
248 unsigned char *dash;
249 unsigned int lineStyle:2;
250 unsigned int capStyle:2;
251 unsigned int joinStyle:2;
252 unsigned int fillStyle:2;
253 unsigned int fillRule:1;
254 unsigned int arcMode:1;
255 unsigned int subWindowMode:1;
256 unsigned int graphicsExposures:1;
257 unsigned int clientClipType:2; /* CT_<kind> */
258 unsigned int miTranslate:1; /* should mi things translate? */
259 unsigned int tileIsPixel:1; /* tile is solid pixel */
260 unsigned int fExpose:1; /* Call exposure handling */
261 unsigned int freeCompClip:1; /* Free composite clip */
262 unsigned int scratch_inuse:1; /* is this GC in a pool for reuse? */
263 unsigned int unused:13; /* see comment above */
264 unsigned long planemask;
265 unsigned long fgPixel;
266 unsigned long bgPixel;
267 /*
268 * alas -- both tile and stipple must be here as they
269 * are independently specifiable
270 */
271 PixUnion tile;
272 PixmapPtr stipple;
273 DDXPointRec patOrg; /* origin for (tile, stipple) */
274 struct _Font *font;
275 DDXPointRec clipOrg;
276 pointer clientClip;
277 unsigned long stateChanges; /* masked with GC_<kind> */
278 unsigned long serialNumber;
279 GCFuncs *funcs;
280 GCOps *ops;
281 PrivateRec *devPrivates;
282 /*
283 * The following were moved here from private storage to allow device-
284 * independent access to them from screen wrappers.
285 * --- 1997.11.03 Marc Aurele La France (tsi@xfree86.org)
286 */
287 PixmapPtr pRotatedPixmap; /* tile/stipple rotated for alignment */
288 RegionPtr pCompositeClip;
289 /* fExpose & freeCompClip defined above */
290} GC;
291
292#endif /* GCSTRUCT_H */
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