1 /*********************************************************** 2 3 Copyright 1987, 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 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. 26 27 All Rights Reserved 28 29 Permission to use, copy, modify, and distribute this software and its 30 documentation for any purpose and without fee is hereby granted, 31 provided that the above copyright notice appear in all copies and that 32 both that copyright notice and this permission notice appear in 33 supporting documentation, and that the name of Digital not be 34 used in advertising or publicity pertaining to distribution of the 35 software without specific, written prior permission. 36 37 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 38 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL 39 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR 40 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 41 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 42 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 43 SOFTWARE. 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 65 typedef 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 void *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 94 typedef 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 void *pglyphBase); 220 221 void (*PolyGlyphBlt) (DrawablePtr pDrawable, 222 GCPtr pGC, 223 int x, 224 int y, 225 unsigned int nglyph, 226 CharInfoPtr *ppci, 227 void *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 */ 241 typedef 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 miTranslate:1; /* should mi things translate? */ 258 unsigned int tileIsPixel:1; /* tile is solid pixel */ 259 unsigned int fExpose:1; /* Call exposure handling */ 260 unsigned int freeCompClip:1; /* Free composite clip */ 261 unsigned int scratch_inuse:1; /* is this GC in a pool for reuse? */ 262 unsigned int unused:15; /* see comment above */ 263 unsigned int planemask; 264 unsigned int fgPixel; 265 unsigned int bgPixel; 266 /* 267 * alas -- both tile and stipple must be here as they 268 * are independently specifiable 269 */ 270 PixUnion tile; 271 PixmapPtr stipple; 272 DDXPointRec patOrg; /* origin for (tile, stipple) */ 273 DDXPointRec clipOrg; 274 struct _Font *font; 275 RegionPtr clientClip; 276 unsigned int stateChanges; /* masked with GC_<kind> */ 277 unsigned int serialNumber; 278 const GCFuncs *funcs; 279 const GCOps *ops; 280 PrivateRec *devPrivates; 281 RegionPtr pCompositeClip; 282 } GC; 283 284 #endif /* GCSTRUCT_H */ 285