gcstruct.h revision 4642e01f
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 49 50#ifndef GCSTRUCT_H 51#define GCSTRUCT_H 52 53#include "gc.h" 54 55#include "regionstr.h" 56#include "region.h" 57#include "pixmap.h" 58#include "screenint.h" 59#include "privates.h" 60#include <X11/Xprotostr.h> 61 62/* 63 * functions which modify the state of the GC 64 */ 65 66typedef struct _GCFuncs { 67 void (* ValidateGC)( 68 GCPtr /*pGC*/, 69 unsigned long /*stateChanges*/, 70 DrawablePtr /*pDrawable*/); 71 72 void (* ChangeGC)( 73 GCPtr /*pGC*/, 74 unsigned long /*mask*/); 75 76 void (* CopyGC)( 77 GCPtr /*pGCSrc*/, 78 unsigned long /*mask*/, 79 GCPtr /*pGCDst*/); 80 81 void (* DestroyGC)( 82 GCPtr /*pGC*/); 83 84 void (* ChangeClip)( 85 GCPtr /*pGC*/, 86 int /*type*/, 87 pointer /*pvalue*/, 88 int /*nrects*/); 89 90 void (* DestroyClip)( 91 GCPtr /*pGC*/); 92 93 void (* CopyClip)( 94 GCPtr /*pgcDst*/, 95 GCPtr /*pgcSrc*/); 96 DevUnion devPrivate; 97} GCFuncs; 98 99/* 100 * graphics operations invoked through a GC 101 */ 102 103typedef struct _GCOps { 104 void (* FillSpans)( 105 DrawablePtr /*pDrawable*/, 106 GCPtr /*pGC*/, 107 int /*nInit*/, 108 DDXPointPtr /*pptInit*/, 109 int * /*pwidthInit*/, 110 int /*fSorted*/); 111 112 void (* SetSpans)( 113 DrawablePtr /*pDrawable*/, 114 GCPtr /*pGC*/, 115 char * /*psrc*/, 116 DDXPointPtr /*ppt*/, 117 int * /*pwidth*/, 118 int /*nspans*/, 119 int /*fSorted*/); 120 121 void (* PutImage)( 122 DrawablePtr /*pDrawable*/, 123 GCPtr /*pGC*/, 124 int /*depth*/, 125 int /*x*/, 126 int /*y*/, 127 int /*w*/, 128 int /*h*/, 129 int /*leftPad*/, 130 int /*format*/, 131 char * /*pBits*/); 132 133 RegionPtr (* CopyArea)( 134 DrawablePtr /*pSrc*/, 135 DrawablePtr /*pDst*/, 136 GCPtr /*pGC*/, 137 int /*srcx*/, 138 int /*srcy*/, 139 int /*w*/, 140 int /*h*/, 141 int /*dstx*/, 142 int /*dsty*/); 143 144 RegionPtr (* CopyPlane)( 145 DrawablePtr /*pSrcDrawable*/, 146 DrawablePtr /*pDstDrawable*/, 147 GCPtr /*pGC*/, 148 int /*srcx*/, 149 int /*srcy*/, 150 int /*width*/, 151 int /*height*/, 152 int /*dstx*/, 153 int /*dsty*/, 154 unsigned long /*bitPlane*/); 155 void (* PolyPoint)( 156 DrawablePtr /*pDrawable*/, 157 GCPtr /*pGC*/, 158 int /*mode*/, 159 int /*npt*/, 160 DDXPointPtr /*pptInit*/); 161 162 void (* Polylines)( 163 DrawablePtr /*pDrawable*/, 164 GCPtr /*pGC*/, 165 int /*mode*/, 166 int /*npt*/, 167 DDXPointPtr /*pptInit*/); 168 169 void (* PolySegment)( 170 DrawablePtr /*pDrawable*/, 171 GCPtr /*pGC*/, 172 int /*nseg*/, 173 xSegment * /*pSegs*/); 174 175 void (* PolyRectangle)( 176 DrawablePtr /*pDrawable*/, 177 GCPtr /*pGC*/, 178 int /*nrects*/, 179 xRectangle * /*pRects*/); 180 181 void (* PolyArc)( 182 DrawablePtr /*pDrawable*/, 183 GCPtr /*pGC*/, 184 int /*narcs*/, 185 xArc * /*parcs*/); 186 187 void (* FillPolygon)( 188 DrawablePtr /*pDrawable*/, 189 GCPtr /*pGC*/, 190 int /*shape*/, 191 int /*mode*/, 192 int /*count*/, 193 DDXPointPtr /*pPts*/); 194 195 void (* PolyFillRect)( 196 DrawablePtr /*pDrawable*/, 197 GCPtr /*pGC*/, 198 int /*nrectFill*/, 199 xRectangle * /*prectInit*/); 200 201 void (* PolyFillArc)( 202 DrawablePtr /*pDrawable*/, 203 GCPtr /*pGC*/, 204 int /*narcs*/, 205 xArc * /*parcs*/); 206 207 int (* PolyText8)( 208 DrawablePtr /*pDrawable*/, 209 GCPtr /*pGC*/, 210 int /*x*/, 211 int /*y*/, 212 int /*count*/, 213 char * /*chars*/); 214 215 int (* PolyText16)( 216 DrawablePtr /*pDrawable*/, 217 GCPtr /*pGC*/, 218 int /*x*/, 219 int /*y*/, 220 int /*count*/, 221 unsigned short * /*chars*/); 222 223 void (* ImageText8)( 224 DrawablePtr /*pDrawable*/, 225 GCPtr /*pGC*/, 226 int /*x*/, 227 int /*y*/, 228 int /*count*/, 229 char * /*chars*/); 230 231 void (* ImageText16)( 232 DrawablePtr /*pDrawable*/, 233 GCPtr /*pGC*/, 234 int /*x*/, 235 int /*y*/, 236 int /*count*/, 237 unsigned short * /*chars*/); 238 239 void (* ImageGlyphBlt)( 240 DrawablePtr /*pDrawable*/, 241 GCPtr /*pGC*/, 242 int /*x*/, 243 int /*y*/, 244 unsigned int /*nglyph*/, 245 CharInfoPtr * /*ppci*/, 246 pointer /*pglyphBase*/); 247 248 void (* PolyGlyphBlt)( 249 DrawablePtr /*pDrawable*/, 250 GCPtr /*pGC*/, 251 int /*x*/, 252 int /*y*/, 253 unsigned int /*nglyph*/, 254 CharInfoPtr * /*ppci*/, 255 pointer /*pglyphBase*/); 256 257 void (* PushPixels)( 258 GCPtr /*pGC*/, 259 PixmapPtr /*pBitMap*/, 260 DrawablePtr /*pDst*/, 261 int /*w*/, 262 int /*h*/, 263 int /*x*/, 264 int /*y*/); 265 266 DevUnion devPrivate; 267} GCOps; 268 269/* there is padding in the bit fields because the Sun compiler doesn't 270 * force alignment to 32-bit boundaries. losers. 271 */ 272typedef struct _GC { 273 ScreenPtr pScreen; 274 unsigned char depth; 275 unsigned char alu; 276 unsigned short lineWidth; 277 unsigned short dashOffset; 278 unsigned short numInDashList; 279 unsigned char *dash; 280 unsigned int lineStyle : 2; 281 unsigned int capStyle : 2; 282 unsigned int joinStyle : 2; 283 unsigned int fillStyle : 2; 284 unsigned int fillRule : 1; 285 unsigned int arcMode : 1; 286 unsigned int subWindowMode : 1; 287 unsigned int graphicsExposures : 1; 288 unsigned int clientClipType : 2; /* CT_<kind> */ 289 unsigned int miTranslate:1; /* should mi things translate? */ 290 unsigned int tileIsPixel:1; /* tile is solid pixel */ 291 unsigned int fExpose:1; /* Call exposure handling */ 292 unsigned int freeCompClip:1; /* Free composite clip */ 293 unsigned int unused:14; /* see comment above */ 294 unsigned long planemask; 295 unsigned long fgPixel; 296 unsigned long bgPixel; 297 /* 298 * alas -- both tile and stipple must be here as they 299 * are independently specifiable 300 */ 301 PixUnion tile; 302 PixmapPtr stipple; 303 DDXPointRec patOrg; /* origin for (tile, stipple) */ 304 struct _Font *font; 305 DDXPointRec clipOrg; 306 DDXPointRec lastWinOrg; /* position of window last validated */ 307 pointer clientClip; 308 unsigned long stateChanges; /* masked with GC_<kind> */ 309 unsigned long serialNumber; 310 GCFuncs *funcs; 311 GCOps *ops; 312 PrivateRec *devPrivates; 313 /* 314 * The following were moved here from private storage to allow device- 315 * independent access to them from screen wrappers. 316 * --- 1997.11.03 Marc Aurele La France (tsi@xfree86.org) 317 */ 318 PixmapPtr pRotatedPixmap; /* tile/stipple rotated for alignment */ 319 RegionPtr pCompositeClip; 320 /* fExpose & freeCompClip defined above */ 321} GC; 322 323#endif /* GCSTRUCT_H */ 324