| 1 | /* |
| 2 | * Graphics Context support for generic rootless X server |
| 3 | */ |
| 4 | /* |
| 5 | * Copyright (c) 2001 Greg Parker. All Rights Reserved. |
| 6 | * Copyright (c) 2002-2003 Torrey T. Lyons. All Rights Reserved. |
| 7 | * Copyright (c) 2002 Apple Computer, Inc. All rights reserved. |
| 8 | * |
| 9 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 10 | * copy of this software and associated documentation files (the "Software"), |
| 11 | * to deal in the Software without restriction, including without limitation |
| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 13 | * and/or sell copies of the Software, and to permit persons to whom the |
| 14 | * Software is furnished to do so, subject to the following conditions: |
| 15 | * |
| 16 | * The above copyright notice and this permission notice shall be included in |
| 17 | * all copies or substantial portions of the Software. |
| 18 | * |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 22 | * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 23 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 24 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 25 | * DEALINGS IN THE SOFTWARE. |
| 26 | * |
| 27 | * Except as contained in this notice, the name(s) of the above copyright |
| 28 | * holders shall not be used in advertising or otherwise to promote the sale, |
| 29 | * use or other dealings in this Software without prior written authorization. |
| 30 | */ |
| 31 | |
| 32 | #ifdef HAVE_DIX_CONFIG_H |
| 33 | #include <dix-config.h> |
| 34 | #endif |
| 35 | |
| 36 | #include <stddef.h> /* For NULL */ |
| 37 | #include "mi.h" |
| 38 | #include "scrnintstr.h" |
| 39 | #include "gcstruct.h" |
| 40 | #include "pixmapstr.h" |
| 41 | #include "windowstr.h" |
| 42 | #include "dixfontstr.h" |
| 43 | #include "mivalidate.h" |
| 44 | #include "fb.h" |
| 45 | |
| 46 | #include <sys/types.h> |
| 47 | #include <sys/stat.h> |
| 48 | #include <fcntl.h> |
| 49 | |
| 50 | #include "rootlessCommon.h" |
| 51 | |
| 52 | // GC functions |
| 53 | static void RootlessValidateGC(GCPtr pGC, unsigned long changes, |
| 54 | DrawablePtr pDrawable); |
| 55 | static void RootlessChangeGC(GCPtr pGC, unsigned long mask); |
| 56 | static void RootlessCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst); |
| 57 | static void RootlessDestroyGC(GCPtr pGC); |
| 58 | static void RootlessChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects); |
| 59 | static void RootlessDestroyClip(GCPtr pGC); |
| 60 | static void RootlessCopyClip(GCPtr pgcDst, GCPtr pgcSrc); |
| 61 | |
| 62 | Bool RootlessCreateGC(GCPtr pGC); |
| 63 | |
| 64 | GCFuncs rootlessGCFuncs = { |
| 65 | RootlessValidateGC, |
| 66 | RootlessChangeGC, |
| 67 | RootlessCopyGC, |
| 68 | RootlessDestroyGC, |
| 69 | RootlessChangeClip, |
| 70 | RootlessDestroyClip, |
| 71 | RootlessCopyClip, |
| 72 | }; |
| 73 | |
| 74 | // GC operations |
| 75 | static void RootlessFillSpans(DrawablePtr dst, GCPtr pGC, int nInit, |
| 76 | DDXPointPtr pptInit, int *pwidthInit, int sorted); |
| 77 | static void RootlessSetSpans(DrawablePtr dst, GCPtr pGC, char *pSrc, |
| 78 | DDXPointPtr pptInit, int *pwidthInit, |
| 79 | int nspans, int sorted); |
| 80 | static void RootlessPutImage(DrawablePtr dst, GCPtr pGC, |
| 81 | int depth, int x, int y, int w, int h, |
| 82 | int leftPad, int format, char *pBits); |
| 83 | static RegionPtr RootlessCopyArea(DrawablePtr pSrc, DrawablePtr dst, GCPtr pGC, |
| 84 | int srcx, int srcy, int w, int h, |
| 85 | int dstx, int dsty); |
| 86 | static RegionPtr RootlessCopyPlane(DrawablePtr pSrc, DrawablePtr dst, |
| 87 | GCPtr pGC, int srcx, int srcy, |
| 88 | int w, int h, int dstx, int dsty, |
| 89 | unsigned long plane); |
| 90 | static void RootlessPolyPoint(DrawablePtr dst, GCPtr pGC, |
| 91 | int mode, int npt, DDXPointPtr pptInit); |
| 92 | static void RootlessPolylines(DrawablePtr dst, GCPtr pGC, |
| 93 | int mode, int npt, DDXPointPtr pptInit); |
| 94 | static void RootlessPolySegment(DrawablePtr dst, GCPtr pGC, |
| 95 | int nseg, xSegment * pSeg); |
| 96 | static void RootlessPolyRectangle(DrawablePtr dst, GCPtr pGC, |
| 97 | int nRects, xRectangle *pRects); |
| 98 | static void RootlessPolyArc(DrawablePtr dst, GCPtr pGC, int narcs, |
| 99 | xArc * parcs); |
| 100 | static void RootlessFillPolygon(DrawablePtr dst, GCPtr pGC, int shape, int mode, |
| 101 | int count, DDXPointPtr pptInit); |
| 102 | static void RootlessPolyFillRect(DrawablePtr dst, GCPtr pGC, int nRectsInit, |
| 103 | xRectangle *pRectsInit); |
| 104 | static void RootlessPolyFillArc(DrawablePtr dst, GCPtr pGC, int narcsInit, |
| 105 | xArc * parcsInit); |
| 106 | static int RootlessPolyText8(DrawablePtr dst, GCPtr pGC, int x, int y, |
| 107 | int count, char *chars); |
| 108 | static int RootlessPolyText16(DrawablePtr dst, GCPtr pGC, int x, int y, |
| 109 | int count, unsigned short *chars); |
| 110 | static void RootlessImageText8(DrawablePtr dst, GCPtr pGC, int x, int y, |
| 111 | int count, char *chars); |
| 112 | static void RootlessImageText16(DrawablePtr dst, GCPtr pGC, int x, int y, |
| 113 | int count, unsigned short *chars); |
| 114 | static void RootlessImageGlyphBlt(DrawablePtr dst, GCPtr pGC, int x, int y, |
| 115 | unsigned int nglyphInit, |
| 116 | CharInfoPtr * ppciInit, pointer unused); |
| 117 | static void RootlessPolyGlyphBlt(DrawablePtr dst, GCPtr pGC, int x, int y, |
| 118 | unsigned int nglyph, CharInfoPtr * ppci, |
| 119 | pointer pglyphBase); |
| 120 | static void RootlessPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr dst, |
| 121 | int dx, int dy, int xOrg, int yOrg); |
| 122 | |
| 123 | static GCOps rootlessGCOps = { |
| 124 | RootlessFillSpans, |
| 125 | RootlessSetSpans, |
| 126 | RootlessPutImage, |
| 127 | RootlessCopyArea, |
| 128 | RootlessCopyPlane, |
| 129 | RootlessPolyPoint, |
| 130 | RootlessPolylines, |
| 131 | RootlessPolySegment, |
| 132 | RootlessPolyRectangle, |
| 133 | RootlessPolyArc, |
| 134 | RootlessFillPolygon, |
| 135 | RootlessPolyFillRect, |
| 136 | RootlessPolyFillArc, |
| 137 | RootlessPolyText8, |
| 138 | RootlessPolyText16, |
| 139 | RootlessImageText8, |
| 140 | RootlessImageText16, |
| 141 | RootlessImageGlyphBlt, |
| 142 | RootlessPolyGlyphBlt, |
| 143 | RootlessPushPixels |
| 144 | }; |
| 145 | |
| 146 | /* |
| 147 | If ROOTLESS_PROTECT_ALPHA is set, we have to make sure that the alpha |
| 148 | channel of the on screen windows is always opaque. fb makes this harder |
| 149 | than it would otherwise be by noticing that a planemask of 0x00ffffff |
| 150 | includes all bits when depth==24, and so it "optimizes" the planemask to |
| 151 | 0xffffffff. We work around this by temporarily setting depth=bpp while |
| 152 | changing the GC. |
| 153 | |
| 154 | So the normal situation (in 32 bit mode) is that the planemask is |
| 155 | 0x00ffffff and thus fb leaves the alpha channel alone. The rootless |
| 156 | implementation is responsible for setting the alpha channel opaque |
| 157 | initially. |
| 158 | |
| 159 | Unfortunately drawing with a planemask that doesn't have all bits set |
| 160 | normally causes fb to fall off its fastest paths when blitting and |
| 161 | filling. So we try to recognize when we can relax the planemask back to |
| 162 | 0xffffffff, and do that for the duration of the drawing operation, |
| 163 | setting the alpha channel in fg/bg pixels to opaque at the same time. We |
| 164 | can do this when drawing op is GXcopy. We can also do this when copying |
| 165 | from another window since its alpha channel must also be opaque. |
| 166 | |
| 167 | The three macros below are used to implement this. Drawing ops that can |
| 168 | potentially have their planemask relaxed look like: |
| 169 | |
| 170 | OP { |
| 171 | GC_SAVE(gc); |
| 172 | GCOP_UNWRAP(gc); |
| 173 | |
| 174 | ... |
| 175 | |
| 176 | if (canAccelxxx(..) && otherwise-suitable) |
| 177 | GC_UNSET_PM(gc, dst); |
| 178 | |
| 179 | gc->funcs->OP(gc, ...); |
| 180 | |
| 181 | GC_RESTORE(gc, dst); |
| 182 | GCOP_WRAP(gc); |
| 183 | } |
| 184 | |
| 185 | */ |
| 186 | |
| 187 | #define GC_SAVE(pGC) \ |
| 188 | unsigned long _save_fg = (pGC)->fgPixel; \ |
| 189 | unsigned long _save_bg = (pGC)->bgPixel; \ |
| 190 | unsigned long _save_pm = (pGC)->planemask; \ |
| 191 | Bool _changed = FALSE |
| 192 | |
| 193 | #define GC_RESTORE(pGC, pDraw) \ |
| 194 | do { \ |
| 195 | if (_changed) { \ |
| 196 | unsigned int depth = (pDraw)->depth; \ |
| 197 | (pGC)->fgPixel = _save_fg; \ |
| 198 | (pGC)->bgPixel = _save_bg; \ |
| 199 | (pGC)->planemask = _save_pm; \ |
| 200 | (pDraw)->depth = (pDraw)->bitsPerPixel; \ |
| 201 | VALIDATE_GC(pGC, GCForeground | GCBackground | \ |
| 202 | GCPlaneMask, pDraw); \ |
| 203 | (pDraw)->depth = depth; \ |
| 204 | } \ |
| 205 | } while (0) |
| 206 | |
| 207 | #define GC_UNSET_PM(pGC, pDraw) \ |
| 208 | do { \ |
| 209 | unsigned int mask = RootlessAlphaMask ((pDraw)->bitsPerPixel); \ |
| 210 | if (((pGC)->planemask & mask) != mask) { \ |
| 211 | unsigned int depth = (pDraw)->depth; \ |
| 212 | (pGC)->fgPixel |= mask; \ |
| 213 | (pGC)->bgPixel |= mask; \ |
| 214 | (pGC)->planemask |= mask; \ |
| 215 | (pDraw)->depth = (pDraw)->bitsPerPixel; \ |
| 216 | VALIDATE_GC(pGC, GCForeground | \ |
| 217 | GCBackground | GCPlaneMask, pDraw); \ |
| 218 | (pDraw)->depth = depth; \ |
| 219 | _changed = TRUE; \ |
| 220 | } \ |
| 221 | } while (0) |
| 222 | |
| 223 | #define VALIDATE_GC(pGC, changes, pDrawable) \ |
| 224 | do { \ |
| 225 | pGC->funcs->ValidateGC(pGC, changes, pDrawable); \ |
| 226 | if (((WindowPtr) pDrawable)->viewable) { \ |
| 227 | gcrec->originalOps = pGC->ops; \ |
| 228 | } \ |
| 229 | } while(0) |
| 230 | |
| 231 | static RootlessWindowRec * |
| 232 | canAccelBlit(DrawablePtr pDraw, GCPtr pGC) |
| 233 | { |
| 234 | WindowPtr pTop; |
| 235 | RootlessWindowRec *winRec; |
| 236 | unsigned int pm; |
| 237 | |
| 238 | if (pGC->alu != GXcopy) |
| 239 | return NULL; |
| 240 | |
| 241 | if (pDraw->type != DRAWABLE_WINDOW) |
| 242 | return NULL; |
| 243 | |
| 244 | pm = ~RootlessAlphaMask(pDraw->bitsPerPixel); |
| 245 | if ((pGC->planemask & pm) != pm) |
| 246 | return NULL; |
| 247 | |
| 248 | pTop = TopLevelParent((WindowPtr) pDraw); |
| 249 | if (pTop == NULL) |
| 250 | return NULL; |
| 251 | |
| 252 | winRec = WINREC(pTop); |
| 253 | if (winRec == NULL) |
| 254 | return NULL; |
| 255 | |
| 256 | return winRec; |
| 257 | } |
| 258 | |
| 259 | static inline RootlessWindowRec * |
| 260 | canAccelFill(DrawablePtr pDraw, GCPtr pGC) |
| 261 | { |
| 262 | if (pGC->fillStyle != FillSolid) |
| 263 | return NULL; |
| 264 | |
| 265 | return canAccelBlit(pDraw, pGC); |
| 266 | } |
| 267 | |
| 268 | /* |
| 269 | * Screen function to create a graphics context |
| 270 | */ |
| 271 | Bool |
| 272 | RootlessCreateGC(GCPtr pGC) |
| 273 | { |
| 274 | RootlessGCRec *gcrec; |
| 275 | RootlessScreenRec *s; |
| 276 | Bool result; |
| 277 | |
| 278 | SCREEN_UNWRAP(pGC->pScreen, CreateGC); |
| 279 | s = SCREENREC(pGC->pScreen); |
| 280 | result = s->CreateGC(pGC); |
| 281 | |
| 282 | gcrec = (RootlessGCRec *) |
| 283 | dixLookupPrivate(&pGC->devPrivates, rootlessGCPrivateKey); |
| 284 | gcrec->originalOps = NULL; // don't wrap ops yet |
| 285 | gcrec->originalFuncs = pGC->funcs; |
| 286 | pGC->funcs = &rootlessGCFuncs; |
| 287 | |
| 288 | SCREEN_WRAP(pGC->pScreen, CreateGC); |
| 289 | return result; |
| 290 | } |
| 291 | |
| 292 | /* |
| 293 | * GC funcs |
| 294 | * |
| 295 | * These wrap lower level GC funcs. |
| 296 | * ValidateGC wraps the GC ops iff dest is viewable. |
| 297 | * All the others just unwrap and call. |
| 298 | */ |
| 299 | |
| 300 | // GCFUNC_UNRAP assumes funcs have been wrapped and |
| 301 | // does not assume ops have been wrapped |
| 302 | #define GCFUNC_UNWRAP(pGC) \ |
| 303 | RootlessGCRec *gcrec = (RootlessGCRec *) \ |
| 304 | dixLookupPrivate(&(pGC)->devPrivates, rootlessGCPrivateKey); \ |
| 305 | (pGC)->funcs = gcrec->originalFuncs; \ |
| 306 | if (gcrec->originalOps) { \ |
| 307 | (pGC)->ops = gcrec->originalOps; \ |
| 308 | } |
| 309 | |
| 310 | #define GCFUNC_WRAP(pGC) \ |
| 311 | gcrec->originalFuncs = (pGC)->funcs; \ |
| 312 | (pGC)->funcs = &rootlessGCFuncs; \ |
| 313 | if (gcrec->originalOps) { \ |
| 314 | gcrec->originalOps = (pGC)->ops; \ |
| 315 | (pGC)->ops = &rootlessGCOps; \ |
| 316 | } |
| 317 | |
| 318 | static void |
| 319 | RootlessValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable) |
| 320 | { |
| 321 | GCFUNC_UNWRAP(pGC); |
| 322 | |
| 323 | gcrec->originalOps = NULL; |
| 324 | |
| 325 | if (pDrawable->type == DRAWABLE_WINDOW) { |
| 326 | #ifdef ROOTLESS_PROTECT_ALPHA |
| 327 | unsigned int depth = pDrawable->depth; |
| 328 | |
| 329 | // We force a planemask so fb doesn't overwrite the alpha channel. |
| 330 | // Left to its own devices, fb will optimize away the planemask. |
| 331 | pDrawable->depth = pDrawable->bitsPerPixel; |
| 332 | pGC->planemask &= ~RootlessAlphaMask(pDrawable->bitsPerPixel); |
| 333 | VALIDATE_GC(pGC, changes | GCPlaneMask, pDrawable); |
| 334 | pDrawable->depth = depth; |
| 335 | #else |
| 336 | VALIDATE_GC(pGC, changes, pDrawable); |
| 337 | #endif |
| 338 | } |
| 339 | else { |
| 340 | pGC->funcs->ValidateGC(pGC, changes, pDrawable); |
| 341 | } |
| 342 | |
| 343 | GCFUNC_WRAP(pGC); |
| 344 | } |
| 345 | |
| 346 | static void |
| 347 | RootlessChangeGC(GCPtr pGC, unsigned long mask) |
| 348 | { |
| 349 | GCFUNC_UNWRAP(pGC); |
| 350 | pGC->funcs->ChangeGC(pGC, mask); |
| 351 | GCFUNC_WRAP(pGC); |
| 352 | } |
| 353 | |
| 354 | static void |
| 355 | RootlessCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst) |
| 356 | { |
| 357 | GCFUNC_UNWRAP(pGCDst); |
| 358 | pGCDst->funcs->CopyGC(pGCSrc, mask, pGCDst); |
| 359 | GCFUNC_WRAP(pGCDst); |
| 360 | } |
| 361 | |
| 362 | static void |
| 363 | RootlessDestroyGC(GCPtr pGC) |
| 364 | { |
| 365 | GCFUNC_UNWRAP(pGC); |
| 366 | pGC->funcs->DestroyGC(pGC); |
| 367 | GCFUNC_WRAP(pGC); |
| 368 | } |
| 369 | |
| 370 | static void |
| 371 | RootlessChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects) |
| 372 | { |
| 373 | GCFUNC_UNWRAP(pGC); |
| 374 | pGC->funcs->ChangeClip(pGC, type, pvalue, nrects); |
| 375 | GCFUNC_WRAP(pGC); |
| 376 | } |
| 377 | |
| 378 | static void |
| 379 | RootlessDestroyClip(GCPtr pGC) |
| 380 | { |
| 381 | GCFUNC_UNWRAP(pGC); |
| 382 | pGC->funcs->DestroyClip(pGC); |
| 383 | GCFUNC_WRAP(pGC); |
| 384 | } |
| 385 | |
| 386 | static void |
| 387 | RootlessCopyClip(GCPtr pgcDst, GCPtr pgcSrc) |
| 388 | { |
| 389 | GCFUNC_UNWRAP(pgcDst); |
| 390 | pgcDst->funcs->CopyClip(pgcDst, pgcSrc); |
| 391 | GCFUNC_WRAP(pgcDst); |
| 392 | } |
| 393 | |
| 394 | /* |
| 395 | * GC ops |
| 396 | * |
| 397 | * We can't use shadowfb because shadowfb assumes one pixmap |
| 398 | * and our root window is a special case. |
| 399 | * However, much of this code is copied from shadowfb. |
| 400 | */ |
| 401 | |
| 402 | // assumes both funcs and ops are wrapped |
| 403 | #define GCOP_UNWRAP(pGC) \ |
| 404 | RootlessGCRec *gcrec = (RootlessGCRec *) \ |
| 405 | dixLookupPrivate(&(pGC)->devPrivates, rootlessGCPrivateKey); \ |
| 406 | GCFuncs *saveFuncs = pGC->funcs; \ |
| 407 | (pGC)->funcs = gcrec->originalFuncs; \ |
| 408 | (pGC)->ops = gcrec->originalOps; |
| 409 | |
| 410 | #define GCOP_WRAP(pGC) \ |
| 411 | gcrec->originalOps = (pGC)->ops; \ |
| 412 | (pGC)->funcs = saveFuncs; \ |
| 413 | (pGC)->ops = &rootlessGCOps; |
| 414 | |
| 415 | static void |
| 416 | RootlessFillSpans(DrawablePtr dst, GCPtr pGC, int nInit, |
| 417 | DDXPointPtr pptInit, int *pwidthInit, int sorted) |
| 418 | { |
| 419 | GC_SAVE(pGC); |
| 420 | GCOP_UNWRAP(pGC); |
| 421 | RL_DEBUG_MSG("fill spans start "); |
| 422 | |
| 423 | if (nInit <= 0) { |
| 424 | pGC->ops->FillSpans(dst, pGC, nInit, pptInit, pwidthInit, sorted); |
| 425 | } |
| 426 | else { |
| 427 | DDXPointPtr ppt = pptInit; |
| 428 | int *pwidth = pwidthInit; |
| 429 | int i = nInit; |
| 430 | BoxRec box; |
| 431 | |
| 432 | box.x1 = ppt->x; |
| 433 | box.x2 = box.x1 + *pwidth; |
| 434 | box.y2 = box.y1 = ppt->y; |
| 435 | |
| 436 | while (--i) { |
| 437 | ppt++; |
| 438 | pwidth++; |
| 439 | if (box.x1 > ppt->x) |
| 440 | box.x1 = ppt->x; |
| 441 | if (box.x2 < (ppt->x + *pwidth)) |
| 442 | box.x2 = ppt->x + *pwidth; |
| 443 | if (box.y1 > ppt->y) |
| 444 | box.y1 = ppt->y; |
| 445 | else if (box.y2 < ppt->y) |
| 446 | box.y2 = ppt->y; |
| 447 | } |
| 448 | |
| 449 | box.y2++; |
| 450 | |
| 451 | RootlessStartDrawing((WindowPtr) dst); |
| 452 | |
| 453 | if (canAccelFill(dst, pGC)) { |
| 454 | GC_UNSET_PM(pGC, dst); |
| 455 | } |
| 456 | |
| 457 | pGC->ops->FillSpans(dst, pGC, nInit, pptInit, pwidthInit, sorted); |
| 458 | |
| 459 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 460 | if (BOX_NOT_EMPTY(box)) |
| 461 | RootlessDamageBox((WindowPtr) dst, &box); |
| 462 | } |
| 463 | |
| 464 | GC_RESTORE(pGC, dst); |
| 465 | GCOP_WRAP(pGC); |
| 466 | RL_DEBUG_MSG("fill spans end\n"); |
| 467 | } |
| 468 | |
| 469 | static void |
| 470 | RootlessSetSpans(DrawablePtr dst, GCPtr pGC, char *pSrc, |
| 471 | DDXPointPtr pptInit, int *pwidthInit, int nspans, int sorted) |
| 472 | { |
| 473 | GCOP_UNWRAP(pGC); |
| 474 | RL_DEBUG_MSG("set spans start "); |
| 475 | |
| 476 | if (nspans <= 0) { |
| 477 | pGC->ops->SetSpans(dst, pGC, pSrc, pptInit, pwidthInit, nspans, sorted); |
| 478 | } |
| 479 | else { |
| 480 | DDXPointPtr ppt = pptInit; |
| 481 | int *pwidth = pwidthInit; |
| 482 | int i = nspans; |
| 483 | BoxRec box; |
| 484 | |
| 485 | box.x1 = ppt->x; |
| 486 | box.x2 = box.x1 + *pwidth; |
| 487 | box.y2 = box.y1 = ppt->y; |
| 488 | |
| 489 | while (--i) { |
| 490 | ppt++; |
| 491 | pwidth++; |
| 492 | if (box.x1 > ppt->x) |
| 493 | box.x1 = ppt->x; |
| 494 | if (box.x2 < (ppt->x + *pwidth)) |
| 495 | box.x2 = ppt->x + *pwidth; |
| 496 | if (box.y1 > ppt->y) |
| 497 | box.y1 = ppt->y; |
| 498 | else if (box.y2 < ppt->y) |
| 499 | box.y2 = ppt->y; |
| 500 | } |
| 501 | |
| 502 | box.y2++; |
| 503 | |
| 504 | RootlessStartDrawing((WindowPtr) dst); |
| 505 | pGC->ops->SetSpans(dst, pGC, pSrc, pptInit, pwidthInit, nspans, sorted); |
| 506 | |
| 507 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 508 | if (BOX_NOT_EMPTY(box)) |
| 509 | RootlessDamageBox((WindowPtr) dst, &box); |
| 510 | } |
| 511 | GCOP_WRAP(pGC); |
| 512 | RL_DEBUG_MSG("set spans end\n"); |
| 513 | } |
| 514 | |
| 515 | static void |
| 516 | RootlessPutImage(DrawablePtr dst, GCPtr pGC, |
| 517 | int depth, int x, int y, int w, int h, |
| 518 | int leftPad, int format, char *pBits) |
| 519 | { |
| 520 | BoxRec box; |
| 521 | |
| 522 | GCOP_UNWRAP(pGC); |
| 523 | RL_DEBUG_MSG("put image start "); |
| 524 | |
| 525 | RootlessStartDrawing((WindowPtr) dst); |
| 526 | pGC->ops->PutImage(dst, pGC, depth, x, y, w, h, leftPad, format, pBits); |
| 527 | |
| 528 | box.x1 = x + dst->x; |
| 529 | box.x2 = box.x1 + w; |
| 530 | box.y1 = y + dst->y; |
| 531 | box.y2 = box.y1 + h; |
| 532 | |
| 533 | TRIM_BOX(box, pGC); |
| 534 | if (BOX_NOT_EMPTY(box)) |
| 535 | RootlessDamageBox((WindowPtr) dst, &box); |
| 536 | |
| 537 | GCOP_WRAP(pGC); |
| 538 | RL_DEBUG_MSG("put image end\n"); |
| 539 | } |
| 540 | |
| 541 | /* changed area is *dest* rect */ |
| 542 | static RegionPtr |
| 543 | RootlessCopyArea(DrawablePtr pSrc, DrawablePtr dst, GCPtr pGC, |
| 544 | int srcx, int srcy, int w, int h, int dstx, int dsty) |
| 545 | { |
| 546 | RegionPtr result; |
| 547 | BoxRec box; |
| 548 | |
| 549 | GC_SAVE(pGC); |
| 550 | GCOP_UNWRAP(pGC); |
| 551 | |
| 552 | RL_DEBUG_MSG("copy area start (src 0x%x, dst 0x%x)", pSrc, dst); |
| 553 | |
| 554 | if (pSrc->type == DRAWABLE_WINDOW && IsFramedWindow((WindowPtr) pSrc)) { |
| 555 | /* If both source and dest are windows, and we're doing |
| 556 | a simple copy operation, we can remove the alpha-protecting |
| 557 | planemask (since source has opaque alpha as well) */ |
| 558 | |
| 559 | if (canAccelBlit(pSrc, pGC)) { |
| 560 | GC_UNSET_PM(pGC, dst); |
| 561 | } |
| 562 | |
| 563 | RootlessStartDrawing((WindowPtr) pSrc); |
| 564 | } |
| 565 | RootlessStartDrawing((WindowPtr) dst); |
| 566 | result = pGC->ops->CopyArea(pSrc, dst, pGC, srcx, srcy, w, h, dstx, dsty); |
| 567 | |
| 568 | box.x1 = dstx + dst->x; |
| 569 | box.x2 = box.x1 + w; |
| 570 | box.y1 = dsty + dst->y; |
| 571 | box.y2 = box.y1 + h; |
| 572 | |
| 573 | TRIM_BOX(box, pGC); |
| 574 | if (BOX_NOT_EMPTY(box)) |
| 575 | RootlessDamageBox((WindowPtr) dst, &box); |
| 576 | |
| 577 | GC_RESTORE(pGC, dst); |
| 578 | GCOP_WRAP(pGC); |
| 579 | RL_DEBUG_MSG("copy area end\n"); |
| 580 | return result; |
| 581 | } |
| 582 | |
| 583 | /* changed area is *dest* rect */ |
| 584 | static RegionPtr |
| 585 | RootlessCopyPlane(DrawablePtr pSrc, DrawablePtr dst, |
| 586 | GCPtr pGC, int srcx, int srcy, |
| 587 | int w, int h, int dstx, int dsty, unsigned long plane) |
| 588 | { |
| 589 | RegionPtr result; |
| 590 | BoxRec box; |
| 591 | |
| 592 | GCOP_UNWRAP(pGC); |
| 593 | |
| 594 | RL_DEBUG_MSG("copy plane start "); |
| 595 | |
| 596 | if (pSrc->type == DRAWABLE_WINDOW && IsFramedWindow((WindowPtr) pSrc)) { |
| 597 | RootlessStartDrawing((WindowPtr) pSrc); |
| 598 | } |
| 599 | RootlessStartDrawing((WindowPtr) dst); |
| 600 | result = pGC->ops->CopyPlane(pSrc, dst, pGC, srcx, srcy, w, h, |
| 601 | dstx, dsty, plane); |
| 602 | |
| 603 | box.x1 = dstx + dst->x; |
| 604 | box.x2 = box.x1 + w; |
| 605 | box.y1 = dsty + dst->y; |
| 606 | box.y2 = box.y1 + h; |
| 607 | |
| 608 | TRIM_BOX(box, pGC); |
| 609 | if (BOX_NOT_EMPTY(box)) |
| 610 | RootlessDamageBox((WindowPtr) dst, &box); |
| 611 | |
| 612 | GCOP_WRAP(pGC); |
| 613 | RL_DEBUG_MSG("copy plane end\n"); |
| 614 | return result; |
| 615 | } |
| 616 | |
| 617 | // Options for size of changed area: |
| 618 | // 0 = box per point |
| 619 | // 1 = big box around all points |
| 620 | // 2 = accumulate point in 20 pixel radius |
| 621 | #define ROOTLESS_CHANGED_AREA 1 |
| 622 | #define abs(a) ((a) > 0 ? (a) : -(a)) |
| 623 | |
| 624 | /* changed area is box around all points */ |
| 625 | static void |
| 626 | RootlessPolyPoint(DrawablePtr dst, GCPtr pGC, |
| 627 | int mode, int npt, DDXPointPtr pptInit) |
| 628 | { |
| 629 | GCOP_UNWRAP(pGC); |
| 630 | RL_DEBUG_MSG("polypoint start "); |
| 631 | |
| 632 | RootlessStartDrawing((WindowPtr) dst); |
| 633 | pGC->ops->PolyPoint(dst, pGC, mode, npt, pptInit); |
| 634 | |
| 635 | if (npt > 0) { |
| 636 | #if ROOTLESS_CHANGED_AREA==0 |
| 637 | // box per point |
| 638 | BoxRec box; |
| 639 | |
| 640 | while (npt) { |
| 641 | box.x1 = pptInit->x; |
| 642 | box.y1 = pptInit->y; |
| 643 | box.x2 = box.x1 + 1; |
| 644 | box.y2 = box.y1 + 1; |
| 645 | |
| 646 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 647 | if (BOX_NOT_EMPTY(box)) |
| 648 | RootlessDamageBox((WindowPtr) dst, &box); |
| 649 | |
| 650 | npt--; |
| 651 | pptInit++; |
| 652 | } |
| 653 | |
| 654 | #elif ROOTLESS_CHANGED_AREA==1 |
| 655 | // one big box |
| 656 | BoxRec box; |
| 657 | |
| 658 | box.x2 = box.x1 = pptInit->x; |
| 659 | box.y2 = box.y1 = pptInit->y; |
| 660 | while (--npt) { |
| 661 | pptInit++; |
| 662 | if (box.x1 > pptInit->x) |
| 663 | box.x1 = pptInit->x; |
| 664 | else if (box.x2 < pptInit->x) |
| 665 | box.x2 = pptInit->x; |
| 666 | if (box.y1 > pptInit->y) |
| 667 | box.y1 = pptInit->y; |
| 668 | else if (box.y2 < pptInit->y) |
| 669 | box.y2 = pptInit->y; |
| 670 | } |
| 671 | |
| 672 | box.x2++; |
| 673 | box.y2++; |
| 674 | |
| 675 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 676 | if (BOX_NOT_EMPTY(box)) |
| 677 | RootlessDamageBox((WindowPtr) dst, &box); |
| 678 | |
| 679 | #elif ROOTLESS_CHANGED_AREA==2 |
| 680 | // clever(?) method: accumulate point in 20-pixel radius |
| 681 | BoxRec box; |
| 682 | int firstx, firsty; |
| 683 | |
| 684 | box.x2 = box.x1 = firstx = pptInit->x; |
| 685 | box.y2 = box.y1 = firsty = pptInit->y; |
| 686 | while (--npt) { |
| 687 | pptInit++; |
| 688 | if (abs(pptInit->x - firstx) > 20 || abs(pptInit->y - firsty) > 20) { |
| 689 | box.x2++; |
| 690 | box.y2++; |
| 691 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 692 | if (BOX_NOT_EMPTY(box)) |
| 693 | RootlessDamageBox((WindowPtr) dst, &box); |
| 694 | box.x2 = box.x1 = firstx = pptInit->x; |
| 695 | box.y2 = box.y1 = firsty = pptInit->y; |
| 696 | } |
| 697 | else { |
| 698 | if (box.x1 > pptInit->x) |
| 699 | box.x1 = pptInit->x; |
| 700 | else if (box.x2 < pptInit->x) |
| 701 | box.x2 = pptInit->x; |
| 702 | if (box.y1 > pptInit->y) |
| 703 | box.y1 = pptInit->y; |
| 704 | else if (box.y2 < pptInit->y) |
| 705 | box.y2 = pptInit->y; |
| 706 | } |
| 707 | } |
| 708 | box.x2++; |
| 709 | box.y2++; |
| 710 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 711 | if (BOX_NOT_EMPTY(box)) |
| 712 | RootlessDamageBox((WindowPtr) dst, &box); |
| 713 | #endif /* ROOTLESS_CHANGED_AREA */ |
| 714 | } |
| 715 | |
| 716 | GCOP_WRAP(pGC); |
| 717 | RL_DEBUG_MSG("polypoint end\n"); |
| 718 | } |
| 719 | |
| 720 | #undef ROOTLESS_CHANGED_AREA |
| 721 | |
| 722 | /* changed area is box around each line */ |
| 723 | static void |
| 724 | RootlessPolylines(DrawablePtr dst, GCPtr pGC, |
| 725 | int mode, int npt, DDXPointPtr pptInit) |
| 726 | { |
| 727 | GCOP_UNWRAP(pGC); |
| 728 | RL_DEBUG_MSG("poly lines start "); |
| 729 | |
| 730 | RootlessStartDrawing((WindowPtr) dst); |
| 731 | pGC->ops->Polylines(dst, pGC, mode, npt, pptInit); |
| 732 | |
| 733 | if (npt > 0) { |
| 734 | BoxRec box; |
| 735 | int extra = pGC->lineWidth >> 1; |
| 736 | |
| 737 | box.x2 = box.x1 = pptInit->x; |
| 738 | box.y2 = box.y1 = pptInit->y; |
| 739 | |
| 740 | if (npt > 1) { |
| 741 | if (pGC->joinStyle == JoinMiter) |
| 742 | extra = 6 * pGC->lineWidth; |
| 743 | else if (pGC->capStyle == CapProjecting) |
| 744 | extra = pGC->lineWidth; |
| 745 | } |
| 746 | |
| 747 | if (mode == CoordModePrevious) { |
| 748 | int x = box.x1; |
| 749 | int y = box.y1; |
| 750 | |
| 751 | while (--npt) { |
| 752 | pptInit++; |
| 753 | x += pptInit->x; |
| 754 | y += pptInit->y; |
| 755 | if (box.x1 > x) |
| 756 | box.x1 = x; |
| 757 | else if (box.x2 < x) |
| 758 | box.x2 = x; |
| 759 | if (box.y1 > y) |
| 760 | box.y1 = y; |
| 761 | else if (box.y2 < y) |
| 762 | box.y2 = y; |
| 763 | } |
| 764 | } |
| 765 | else { |
| 766 | while (--npt) { |
| 767 | pptInit++; |
| 768 | if (box.x1 > pptInit->x) |
| 769 | box.x1 = pptInit->x; |
| 770 | else if (box.x2 < pptInit->x) |
| 771 | box.x2 = pptInit->x; |
| 772 | if (box.y1 > pptInit->y) |
| 773 | box.y1 = pptInit->y; |
| 774 | else if (box.y2 < pptInit->y) |
| 775 | box.y2 = pptInit->y; |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | box.x2++; |
| 780 | box.y2++; |
| 781 | |
| 782 | if (extra) { |
| 783 | box.x1 -= extra; |
| 784 | box.x2 += extra; |
| 785 | box.y1 -= extra; |
| 786 | box.y2 += extra; |
| 787 | } |
| 788 | |
| 789 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 790 | if (BOX_NOT_EMPTY(box)) |
| 791 | RootlessDamageBox((WindowPtr) dst, &box); |
| 792 | } |
| 793 | |
| 794 | GCOP_WRAP(pGC); |
| 795 | RL_DEBUG_MSG("poly lines end\n"); |
| 796 | } |
| 797 | |
| 798 | /* changed area is box around each line segment */ |
| 799 | static void |
| 800 | RootlessPolySegment(DrawablePtr dst, GCPtr pGC, int nseg, xSegment * pSeg) |
| 801 | { |
| 802 | GCOP_UNWRAP(pGC); |
| 803 | RL_DEBUG_MSG("poly segment start (win 0x%x)", dst); |
| 804 | |
| 805 | RootlessStartDrawing((WindowPtr) dst); |
| 806 | pGC->ops->PolySegment(dst, pGC, nseg, pSeg); |
| 807 | |
| 808 | if (nseg > 0) { |
| 809 | BoxRec box; |
| 810 | int extra = pGC->lineWidth; |
| 811 | |
| 812 | if (pGC->capStyle != CapProjecting) |
| 813 | extra >>= 1; |
| 814 | |
| 815 | if (pSeg->x2 > pSeg->x1) { |
| 816 | box.x1 = pSeg->x1; |
| 817 | box.x2 = pSeg->x2; |
| 818 | } |
| 819 | else { |
| 820 | box.x2 = pSeg->x1; |
| 821 | box.x1 = pSeg->x2; |
| 822 | } |
| 823 | |
| 824 | if (pSeg->y2 > pSeg->y1) { |
| 825 | box.y1 = pSeg->y1; |
| 826 | box.y2 = pSeg->y2; |
| 827 | } |
| 828 | else { |
| 829 | box.y2 = pSeg->y1; |
| 830 | box.y1 = pSeg->y2; |
| 831 | } |
| 832 | |
| 833 | while (--nseg) { |
| 834 | pSeg++; |
| 835 | if (pSeg->x2 > pSeg->x1) { |
| 836 | if (pSeg->x1 < box.x1) |
| 837 | box.x1 = pSeg->x1; |
| 838 | if (pSeg->x2 > box.x2) |
| 839 | box.x2 = pSeg->x2; |
| 840 | } |
| 841 | else { |
| 842 | if (pSeg->x2 < box.x1) |
| 843 | box.x1 = pSeg->x2; |
| 844 | if (pSeg->x1 > box.x2) |
| 845 | box.x2 = pSeg->x1; |
| 846 | } |
| 847 | if (pSeg->y2 > pSeg->y1) { |
| 848 | if (pSeg->y1 < box.y1) |
| 849 | box.y1 = pSeg->y1; |
| 850 | if (pSeg->y2 > box.y2) |
| 851 | box.y2 = pSeg->y2; |
| 852 | } |
| 853 | else { |
| 854 | if (pSeg->y2 < box.y1) |
| 855 | box.y1 = pSeg->y2; |
| 856 | if (pSeg->y1 > box.y2) |
| 857 | box.y2 = pSeg->y1; |
| 858 | } |
| 859 | } |
| 860 | |
| 861 | box.x2++; |
| 862 | box.y2++; |
| 863 | |
| 864 | if (extra) { |
| 865 | box.x1 -= extra; |
| 866 | box.x2 += extra; |
| 867 | box.y1 -= extra; |
| 868 | box.y2 += extra; |
| 869 | } |
| 870 | |
| 871 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 872 | if (BOX_NOT_EMPTY(box)) |
| 873 | RootlessDamageBox((WindowPtr) dst, &box); |
| 874 | } |
| 875 | |
| 876 | GCOP_WRAP(pGC); |
| 877 | RL_DEBUG_MSG("poly segment end\n"); |
| 878 | } |
| 879 | |
| 880 | /* changed area is box around each line (not entire rects) */ |
| 881 | static void |
| 882 | RootlessPolyRectangle(DrawablePtr dst, GCPtr pGC, |
| 883 | int nRects, xRectangle *pRects) |
| 884 | { |
| 885 | GCOP_UNWRAP(pGC); |
| 886 | RL_DEBUG_MSG("poly rectangle start "); |
| 887 | |
| 888 | RootlessStartDrawing((WindowPtr) dst); |
| 889 | pGC->ops->PolyRectangle(dst, pGC, nRects, pRects); |
| 890 | |
| 891 | if (nRects > 0) { |
| 892 | BoxRec box; |
| 893 | int offset1, offset2, offset3; |
| 894 | |
| 895 | offset2 = pGC->lineWidth; |
| 896 | if (!offset2) |
| 897 | offset2 = 1; |
| 898 | offset1 = offset2 >> 1; |
| 899 | offset3 = offset2 - offset1; |
| 900 | |
| 901 | while (nRects--) { |
| 902 | box.x1 = pRects->x - offset1; |
| 903 | box.y1 = pRects->y - offset1; |
| 904 | box.x2 = box.x1 + pRects->width + offset2; |
| 905 | box.y2 = box.y1 + offset2; |
| 906 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 907 | if (BOX_NOT_EMPTY(box)) |
| 908 | RootlessDamageBox((WindowPtr) dst, &box); |
| 909 | |
| 910 | box.x1 = pRects->x - offset1; |
| 911 | box.y1 = pRects->y + offset3; |
| 912 | box.x2 = box.x1 + offset2; |
| 913 | box.y2 = box.y1 + pRects->height - offset2; |
| 914 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 915 | if (BOX_NOT_EMPTY(box)) |
| 916 | RootlessDamageBox((WindowPtr) dst, &box); |
| 917 | |
| 918 | box.x1 = pRects->x + pRects->width - offset1; |
| 919 | box.y1 = pRects->y + offset3; |
| 920 | box.x2 = box.x1 + offset2; |
| 921 | box.y2 = box.y1 + pRects->height - offset2; |
| 922 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 923 | if (BOX_NOT_EMPTY(box)) |
| 924 | RootlessDamageBox((WindowPtr) dst, &box); |
| 925 | |
| 926 | box.x1 = pRects->x - offset1; |
| 927 | box.y1 = pRects->y + pRects->height - offset1; |
| 928 | box.x2 = box.x1 + pRects->width + offset2; |
| 929 | box.y2 = box.y1 + offset2; |
| 930 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 931 | if (BOX_NOT_EMPTY(box)) |
| 932 | RootlessDamageBox((WindowPtr) dst, &box); |
| 933 | |
| 934 | pRects++; |
| 935 | } |
| 936 | } |
| 937 | |
| 938 | GCOP_WRAP(pGC); |
| 939 | RL_DEBUG_MSG("poly rectangle end\n"); |
| 940 | } |
| 941 | |
| 942 | /* changed area is box around each arc (assumes all arcs are 360 degrees) */ |
| 943 | static void |
| 944 | RootlessPolyArc(DrawablePtr dst, GCPtr pGC, int narcs, xArc * parcs) |
| 945 | { |
| 946 | GCOP_UNWRAP(pGC); |
| 947 | RL_DEBUG_MSG("poly arc start "); |
| 948 | |
| 949 | RootlessStartDrawing((WindowPtr) dst); |
| 950 | pGC->ops->PolyArc(dst, pGC, narcs, parcs); |
| 951 | |
| 952 | if (narcs > 0) { |
| 953 | int extra = pGC->lineWidth >> 1; |
| 954 | BoxRec box; |
| 955 | |
| 956 | box.x1 = parcs->x; |
| 957 | box.x2 = box.x1 + parcs->width; |
| 958 | box.y1 = parcs->y; |
| 959 | box.y2 = box.y1 + parcs->height; |
| 960 | |
| 961 | /* should I break these up instead ? */ |
| 962 | |
| 963 | while (--narcs) { |
| 964 | parcs++; |
| 965 | if (box.x1 > parcs->x) |
| 966 | box.x1 = parcs->x; |
| 967 | if (box.x2 < (parcs->x + parcs->width)) |
| 968 | box.x2 = parcs->x + parcs->width; |
| 969 | if (box.y1 > parcs->y) |
| 970 | box.y1 = parcs->y; |
| 971 | if (box.y2 < (parcs->y + parcs->height)) |
| 972 | box.y2 = parcs->y + parcs->height; |
| 973 | } |
| 974 | |
| 975 | if (extra) { |
| 976 | box.x1 -= extra; |
| 977 | box.x2 += extra; |
| 978 | box.y1 -= extra; |
| 979 | box.y2 += extra; |
| 980 | } |
| 981 | |
| 982 | box.x2++; |
| 983 | box.y2++; |
| 984 | |
| 985 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 986 | if (BOX_NOT_EMPTY(box)) |
| 987 | RootlessDamageBox((WindowPtr) dst, &box); |
| 988 | } |
| 989 | |
| 990 | GCOP_WRAP(pGC); |
| 991 | RL_DEBUG_MSG("poly arc end\n"); |
| 992 | } |
| 993 | |
| 994 | /* changed area is box around each poly */ |
| 995 | static void |
| 996 | RootlessFillPolygon(DrawablePtr dst, GCPtr pGC, |
| 997 | int shape, int mode, int count, DDXPointPtr pptInit) |
| 998 | { |
| 999 | GC_SAVE(pGC); |
| 1000 | GCOP_UNWRAP(pGC); |
| 1001 | RL_DEBUG_MSG("fill poly start (win 0x%x, fillStyle 0x%x)", dst, |
| 1002 | pGC->fillStyle); |
| 1003 | |
| 1004 | if (count <= 2) { |
| 1005 | pGC->ops->FillPolygon(dst, pGC, shape, mode, count, pptInit); |
| 1006 | } |
| 1007 | else { |
| 1008 | DDXPointPtr ppt = pptInit; |
| 1009 | int i = count; |
| 1010 | BoxRec box; |
| 1011 | |
| 1012 | box.x2 = box.x1 = ppt->x; |
| 1013 | box.y2 = box.y1 = ppt->y; |
| 1014 | |
| 1015 | if (mode != CoordModeOrigin) { |
| 1016 | int x = box.x1; |
| 1017 | int y = box.y1; |
| 1018 | |
| 1019 | while (--i) { |
| 1020 | ppt++; |
| 1021 | x += ppt->x; |
| 1022 | y += ppt->y; |
| 1023 | if (box.x1 > x) |
| 1024 | box.x1 = x; |
| 1025 | else if (box.x2 < x) |
| 1026 | box.x2 = x; |
| 1027 | if (box.y1 > y) |
| 1028 | box.y1 = y; |
| 1029 | else if (box.y2 < y) |
| 1030 | box.y2 = y; |
| 1031 | } |
| 1032 | } |
| 1033 | else { |
| 1034 | while (--i) { |
| 1035 | ppt++; |
| 1036 | if (box.x1 > ppt->x) |
| 1037 | box.x1 = ppt->x; |
| 1038 | else if (box.x2 < ppt->x) |
| 1039 | box.x2 = ppt->x; |
| 1040 | if (box.y1 > ppt->y) |
| 1041 | box.y1 = ppt->y; |
| 1042 | else if (box.y2 < ppt->y) |
| 1043 | box.y2 = ppt->y; |
| 1044 | } |
| 1045 | } |
| 1046 | |
| 1047 | box.x2++; |
| 1048 | box.y2++; |
| 1049 | |
| 1050 | RootlessStartDrawing((WindowPtr) dst); |
| 1051 | |
| 1052 | if (canAccelFill(dst, pGC)) { |
| 1053 | GC_UNSET_PM(pGC, dst); |
| 1054 | } |
| 1055 | |
| 1056 | pGC->ops->FillPolygon(dst, pGC, shape, mode, count, pptInit); |
| 1057 | |
| 1058 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 1059 | if (BOX_NOT_EMPTY(box)) |
| 1060 | RootlessDamageBox((WindowPtr) dst, &box); |
| 1061 | } |
| 1062 | |
| 1063 | GC_RESTORE(pGC, dst); |
| 1064 | GCOP_WRAP(pGC); |
| 1065 | RL_DEBUG_MSG("fill poly end\n"); |
| 1066 | } |
| 1067 | |
| 1068 | /* changed area is the rects */ |
| 1069 | static void |
| 1070 | RootlessPolyFillRect(DrawablePtr dst, GCPtr pGC, |
| 1071 | int nRectsInit, xRectangle *pRectsInit) |
| 1072 | { |
| 1073 | GC_SAVE(pGC); |
| 1074 | GCOP_UNWRAP(pGC); |
| 1075 | RL_DEBUG_MSG("fill rect start (win 0x%x, fillStyle 0x%x)", dst, |
| 1076 | pGC->fillStyle); |
| 1077 | |
| 1078 | if (nRectsInit <= 0) { |
| 1079 | pGC->ops->PolyFillRect(dst, pGC, nRectsInit, pRectsInit); |
| 1080 | } |
| 1081 | else { |
| 1082 | BoxRec box; |
| 1083 | xRectangle *pRects = pRectsInit; |
| 1084 | int nRects = nRectsInit; |
| 1085 | |
| 1086 | box.x1 = pRects->x; |
| 1087 | box.x2 = box.x1 + pRects->width; |
| 1088 | box.y1 = pRects->y; |
| 1089 | box.y2 = box.y1 + pRects->height; |
| 1090 | |
| 1091 | while (--nRects) { |
| 1092 | pRects++; |
| 1093 | if (box.x1 > pRects->x) |
| 1094 | box.x1 = pRects->x; |
| 1095 | if (box.x2 < (pRects->x + pRects->width)) |
| 1096 | box.x2 = pRects->x + pRects->width; |
| 1097 | if (box.y1 > pRects->y) |
| 1098 | box.y1 = pRects->y; |
| 1099 | if (box.y2 < (pRects->y + pRects->height)) |
| 1100 | box.y2 = pRects->y + pRects->height; |
| 1101 | } |
| 1102 | |
| 1103 | RootlessStartDrawing((WindowPtr) dst); |
| 1104 | |
| 1105 | if (canAccelFill(dst, pGC)) { |
| 1106 | GC_UNSET_PM(pGC, dst); |
| 1107 | } |
| 1108 | |
| 1109 | pGC->ops->PolyFillRect(dst, pGC, nRectsInit, pRectsInit); |
| 1110 | |
| 1111 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 1112 | if (BOX_NOT_EMPTY(box)) |
| 1113 | RootlessDamageBox((WindowPtr) dst, &box); |
| 1114 | } |
| 1115 | |
| 1116 | GC_RESTORE(pGC, dst); |
| 1117 | GCOP_WRAP(pGC); |
| 1118 | RL_DEBUG_MSG("fill rect end\n"); |
| 1119 | } |
| 1120 | |
| 1121 | /* changed area is box around each arc (assuming arcs are all 360 degrees) */ |
| 1122 | static void |
| 1123 | RootlessPolyFillArc(DrawablePtr dst, GCPtr pGC, int narcsInit, xArc * parcsInit) |
| 1124 | { |
| 1125 | GC_SAVE(pGC); |
| 1126 | GCOP_UNWRAP(pGC); |
| 1127 | RL_DEBUG_MSG("fill arc start "); |
| 1128 | |
| 1129 | if (narcsInit > 0) { |
| 1130 | BoxRec box; |
| 1131 | int narcs = narcsInit; |
| 1132 | xArc *parcs = parcsInit; |
| 1133 | |
| 1134 | box.x1 = parcs->x; |
| 1135 | box.x2 = box.x1 + parcs->width; |
| 1136 | box.y1 = parcs->y; |
| 1137 | box.y2 = box.y1 + parcs->height; |
| 1138 | |
| 1139 | /* should I break these up instead ? */ |
| 1140 | |
| 1141 | while (--narcs) { |
| 1142 | parcs++; |
| 1143 | if (box.x1 > parcs->x) |
| 1144 | box.x1 = parcs->x; |
| 1145 | if (box.x2 < (parcs->x + parcs->width)) |
| 1146 | box.x2 = parcs->x + parcs->width; |
| 1147 | if (box.y1 > parcs->y) |
| 1148 | box.y1 = parcs->y; |
| 1149 | if (box.y2 < (parcs->y + parcs->height)) |
| 1150 | box.y2 = parcs->y + parcs->height; |
| 1151 | } |
| 1152 | |
| 1153 | RootlessStartDrawing((WindowPtr) dst); |
| 1154 | |
| 1155 | if (canAccelFill(dst, pGC)) { |
| 1156 | GC_UNSET_PM(pGC, dst); |
| 1157 | } |
| 1158 | |
| 1159 | pGC->ops->PolyFillArc(dst, pGC, narcsInit, parcsInit); |
| 1160 | |
| 1161 | TRIM_AND_TRANSLATE_BOX(box, dst, pGC); |
| 1162 | if (BOX_NOT_EMPTY(box)) |
| 1163 | RootlessDamageBox((WindowPtr) dst, &box); |
| 1164 | } |
| 1165 | else { |
| 1166 | pGC->ops->PolyFillArc(dst, pGC, narcsInit, parcsInit); |
| 1167 | } |
| 1168 | |
| 1169 | GC_RESTORE(pGC, dst); |
| 1170 | GCOP_WRAP(pGC); |
| 1171 | RL_DEBUG_MSG("fill arc end\n"); |
| 1172 | } |
| 1173 | |
| 1174 | static void |
| 1175 | RootlessImageText8(DrawablePtr dst, GCPtr pGC, |
| 1176 | int x, int y, int count, char *chars) |
| 1177 | { |
| 1178 | GC_SAVE(pGC); |
| 1179 | GCOP_UNWRAP(pGC); |
| 1180 | RL_DEBUG_MSG("imagetext8 start "); |
| 1181 | |
| 1182 | if (count > 0) { |
| 1183 | int top, bot, Min, Max; |
| 1184 | BoxRec box; |
| 1185 | |
| 1186 | top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font)); |
| 1187 | bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font)); |
| 1188 | |
| 1189 | Min = count * FONTMINBOUNDS(pGC->font, characterWidth); |
| 1190 | if (Min > 0) |
| 1191 | Min = 0; |
| 1192 | Max = count * FONTMAXBOUNDS(pGC->font, characterWidth); |
| 1193 | if (Max < 0) |
| 1194 | Max = 0; |
| 1195 | |
| 1196 | /* ugh */ |
| 1197 | box.x1 = dst->x + x + Min + FONTMINBOUNDS(pGC->font, leftSideBearing); |
| 1198 | box.x2 = dst->x + x + Max + FONTMAXBOUNDS(pGC->font, rightSideBearing); |
| 1199 | |
| 1200 | box.y1 = dst->y + y - top; |
| 1201 | box.y2 = dst->y + y + bot; |
| 1202 | |
| 1203 | RootlessStartDrawing((WindowPtr) dst); |
| 1204 | |
| 1205 | if (canAccelFill(dst, pGC)) { |
| 1206 | GC_UNSET_PM(pGC, dst); |
| 1207 | } |
| 1208 | |
| 1209 | pGC->ops->ImageText8(dst, pGC, x, y, count, chars); |
| 1210 | |
| 1211 | TRIM_BOX(box, pGC); |
| 1212 | if (BOX_NOT_EMPTY(box)) |
| 1213 | RootlessDamageBox((WindowPtr) dst, &box); |
| 1214 | } |
| 1215 | else { |
| 1216 | pGC->ops->ImageText8(dst, pGC, x, y, count, chars); |
| 1217 | } |
| 1218 | |
| 1219 | GC_RESTORE(pGC, dst); |
| 1220 | GCOP_WRAP(pGC); |
| 1221 | RL_DEBUG_MSG("imagetext8 end\n"); |
| 1222 | } |
| 1223 | |
| 1224 | static int |
| 1225 | RootlessPolyText8(DrawablePtr dst, GCPtr pGC, |
| 1226 | int x, int y, int count, char *chars) |
| 1227 | { |
| 1228 | int width; // the result, sorta |
| 1229 | |
| 1230 | GCOP_UNWRAP(pGC); |
| 1231 | |
| 1232 | RL_DEBUG_MSG("polytext8 start "); |
| 1233 | |
| 1234 | RootlessStartDrawing((WindowPtr) dst); |
| 1235 | width = pGC->ops->PolyText8(dst, pGC, x, y, count, chars); |
| 1236 | width -= x; |
| 1237 | |
| 1238 | if (width > 0) { |
| 1239 | BoxRec box; |
| 1240 | |
| 1241 | /* ugh */ |
| 1242 | box.x1 = dst->x + x + FONTMINBOUNDS(pGC->font, leftSideBearing); |
| 1243 | box.x2 = dst->x + x + FONTMAXBOUNDS(pGC->font, rightSideBearing); |
| 1244 | |
| 1245 | if (count > 1) { |
| 1246 | if (width > 0) |
| 1247 | box.x2 += width; |
| 1248 | else |
| 1249 | box.x1 += width; |
| 1250 | } |
| 1251 | |
| 1252 | box.y1 = dst->y + y - FONTMAXBOUNDS(pGC->font, ascent); |
| 1253 | box.y2 = dst->y + y + FONTMAXBOUNDS(pGC->font, descent); |
| 1254 | |
| 1255 | TRIM_BOX(box, pGC); |
| 1256 | if (BOX_NOT_EMPTY(box)) |
| 1257 | RootlessDamageBox((WindowPtr) dst, &box); |
| 1258 | } |
| 1259 | |
| 1260 | GCOP_WRAP(pGC); |
| 1261 | RL_DEBUG_MSG("polytext8 end\n"); |
| 1262 | return width + x; |
| 1263 | } |
| 1264 | |
| 1265 | static void |
| 1266 | RootlessImageText16(DrawablePtr dst, GCPtr pGC, |
| 1267 | int x, int y, int count, unsigned short *chars) |
| 1268 | { |
| 1269 | GC_SAVE(pGC); |
| 1270 | GCOP_UNWRAP(pGC); |
| 1271 | RL_DEBUG_MSG("imagetext16 start "); |
| 1272 | |
| 1273 | if (count > 0) { |
| 1274 | int top, bot, Min, Max; |
| 1275 | BoxRec box; |
| 1276 | |
| 1277 | top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font)); |
| 1278 | bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font)); |
| 1279 | |
| 1280 | Min = count * FONTMINBOUNDS(pGC->font, characterWidth); |
| 1281 | if (Min > 0) |
| 1282 | Min = 0; |
| 1283 | Max = count * FONTMAXBOUNDS(pGC->font, characterWidth); |
| 1284 | if (Max < 0) |
| 1285 | Max = 0; |
| 1286 | |
| 1287 | /* ugh */ |
| 1288 | box.x1 = dst->x + x + Min + FONTMINBOUNDS(pGC->font, leftSideBearing); |
| 1289 | box.x2 = dst->x + x + Max + FONTMAXBOUNDS(pGC->font, rightSideBearing); |
| 1290 | |
| 1291 | box.y1 = dst->y + y - top; |
| 1292 | box.y2 = dst->y + y + bot; |
| 1293 | |
| 1294 | RootlessStartDrawing((WindowPtr) dst); |
| 1295 | |
| 1296 | if (canAccelFill(dst, pGC)) { |
| 1297 | GC_UNSET_PM(pGC, dst); |
| 1298 | } |
| 1299 | |
| 1300 | pGC->ops->ImageText16(dst, pGC, x, y, count, chars); |
| 1301 | |
| 1302 | TRIM_BOX(box, pGC); |
| 1303 | if (BOX_NOT_EMPTY(box)) |
| 1304 | RootlessDamageBox((WindowPtr) dst, &box); |
| 1305 | } |
| 1306 | else { |
| 1307 | pGC->ops->ImageText16(dst, pGC, x, y, count, chars); |
| 1308 | } |
| 1309 | |
| 1310 | GC_RESTORE(pGC, dst); |
| 1311 | GCOP_WRAP(pGC); |
| 1312 | RL_DEBUG_MSG("imagetext16 end\n"); |
| 1313 | } |
| 1314 | |
| 1315 | static int |
| 1316 | RootlessPolyText16(DrawablePtr dst, GCPtr pGC, |
| 1317 | int x, int y, int count, unsigned short *chars) |
| 1318 | { |
| 1319 | int width; // the result, sorta |
| 1320 | |
| 1321 | GCOP_UNWRAP(pGC); |
| 1322 | |
| 1323 | RL_DEBUG_MSG("polytext16 start "); |
| 1324 | |
| 1325 | RootlessStartDrawing((WindowPtr) dst); |
| 1326 | width = pGC->ops->PolyText16(dst, pGC, x, y, count, chars); |
| 1327 | width -= x; |
| 1328 | |
| 1329 | if (width > 0) { |
| 1330 | BoxRec box; |
| 1331 | |
| 1332 | /* ugh */ |
| 1333 | box.x1 = dst->x + x + FONTMINBOUNDS(pGC->font, leftSideBearing); |
| 1334 | box.x2 = dst->x + x + FONTMAXBOUNDS(pGC->font, rightSideBearing); |
| 1335 | |
| 1336 | if (count > 1) { |
| 1337 | if (width > 0) |
| 1338 | box.x2 += width; |
| 1339 | else |
| 1340 | box.x1 += width; |
| 1341 | } |
| 1342 | |
| 1343 | box.y1 = dst->y + y - FONTMAXBOUNDS(pGC->font, ascent); |
| 1344 | box.y2 = dst->y + y + FONTMAXBOUNDS(pGC->font, descent); |
| 1345 | |
| 1346 | TRIM_BOX(box, pGC); |
| 1347 | if (BOX_NOT_EMPTY(box)) |
| 1348 | RootlessDamageBox((WindowPtr) dst, &box); |
| 1349 | } |
| 1350 | |
| 1351 | GCOP_WRAP(pGC); |
| 1352 | RL_DEBUG_MSG("polytext16 end\n"); |
| 1353 | return width + x; |
| 1354 | } |
| 1355 | |
| 1356 | static void |
| 1357 | RootlessImageGlyphBlt(DrawablePtr dst, GCPtr pGC, |
| 1358 | int x, int y, unsigned int nglyphInit, |
| 1359 | CharInfoPtr * ppciInit, pointer unused) |
| 1360 | { |
| 1361 | GC_SAVE(pGC); |
| 1362 | GCOP_UNWRAP(pGC); |
| 1363 | RL_DEBUG_MSG("imageglyph start "); |
| 1364 | |
| 1365 | if (nglyphInit > 0) { |
| 1366 | int top, bot, width = 0; |
| 1367 | BoxRec box; |
| 1368 | unsigned int nglyph = nglyphInit; |
| 1369 | CharInfoPtr *ppci = ppciInit; |
| 1370 | |
| 1371 | top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font)); |
| 1372 | bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font)); |
| 1373 | |
| 1374 | box.x1 = ppci[0]->metrics.leftSideBearing; |
| 1375 | if (box.x1 > 0) |
| 1376 | box.x1 = 0; |
| 1377 | box.x2 = ppci[nglyph - 1]->metrics.rightSideBearing - |
| 1378 | ppci[nglyph - 1]->metrics.characterWidth; |
| 1379 | if (box.x2 < 0) |
| 1380 | box.x2 = 0; |
| 1381 | |
| 1382 | box.x2 += dst->x + x; |
| 1383 | box.x1 += dst->x + x; |
| 1384 | |
| 1385 | while (nglyph--) { |
| 1386 | width += (*ppci)->metrics.characterWidth; |
| 1387 | ppci++; |
| 1388 | } |
| 1389 | |
| 1390 | if (width > 0) |
| 1391 | box.x2 += width; |
| 1392 | else |
| 1393 | box.x1 += width; |
| 1394 | |
| 1395 | box.y1 = dst->y + y - top; |
| 1396 | box.y2 = dst->y + y + bot; |
| 1397 | |
| 1398 | RootlessStartDrawing((WindowPtr) dst); |
| 1399 | |
| 1400 | if (canAccelFill(dst, pGC)) { |
| 1401 | GC_UNSET_PM(pGC, dst); |
| 1402 | } |
| 1403 | |
| 1404 | pGC->ops->ImageGlyphBlt(dst, pGC, x, y, nglyphInit, ppciInit, unused); |
| 1405 | |
| 1406 | TRIM_BOX(box, pGC); |
| 1407 | if (BOX_NOT_EMPTY(box)) |
| 1408 | RootlessDamageBox((WindowPtr) dst, &box); |
| 1409 | } |
| 1410 | else { |
| 1411 | pGC->ops->ImageGlyphBlt(dst, pGC, x, y, nglyphInit, ppciInit, unused); |
| 1412 | } |
| 1413 | |
| 1414 | GC_RESTORE(pGC, dst); |
| 1415 | GCOP_WRAP(pGC); |
| 1416 | RL_DEBUG_MSG("imageglyph end\n"); |
| 1417 | } |
| 1418 | |
| 1419 | static void |
| 1420 | RootlessPolyGlyphBlt(DrawablePtr dst, GCPtr pGC, |
| 1421 | int x, int y, unsigned int nglyph, |
| 1422 | CharInfoPtr * ppci, pointer pglyphBase) |
| 1423 | { |
| 1424 | GCOP_UNWRAP(pGC); |
| 1425 | RL_DEBUG_MSG("polyglyph start "); |
| 1426 | |
| 1427 | RootlessStartDrawing((WindowPtr) dst); |
| 1428 | pGC->ops->PolyGlyphBlt(dst, pGC, x, y, nglyph, ppci, pglyphBase); |
| 1429 | |
| 1430 | if (nglyph > 0) { |
| 1431 | BoxRec box; |
| 1432 | |
| 1433 | /* ugh */ |
| 1434 | box.x1 = dst->x + x + ppci[0]->metrics.leftSideBearing; |
| 1435 | box.x2 = dst->x + x + ppci[nglyph - 1]->metrics.rightSideBearing; |
| 1436 | |
| 1437 | if (nglyph > 1) { |
| 1438 | int width = 0; |
| 1439 | |
| 1440 | while (--nglyph) { |
| 1441 | width += (*ppci)->metrics.characterWidth; |
| 1442 | ppci++; |
| 1443 | } |
| 1444 | |
| 1445 | if (width > 0) |
| 1446 | box.x2 += width; |
| 1447 | else |
| 1448 | box.x1 += width; |
| 1449 | } |
| 1450 | |
| 1451 | box.y1 = dst->y + y - FONTMAXBOUNDS(pGC->font, ascent); |
| 1452 | box.y2 = dst->y + y + FONTMAXBOUNDS(pGC->font, descent); |
| 1453 | |
| 1454 | TRIM_BOX(box, pGC); |
| 1455 | if (BOX_NOT_EMPTY(box)) |
| 1456 | RootlessDamageBox((WindowPtr) dst, &box); |
| 1457 | } |
| 1458 | |
| 1459 | GCOP_WRAP(pGC); |
| 1460 | RL_DEBUG_MSG("polyglyph end\n"); |
| 1461 | } |
| 1462 | |
| 1463 | /* changed area is in dest */ |
| 1464 | static void |
| 1465 | RootlessPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr dst, |
| 1466 | int dx, int dy, int xOrg, int yOrg) |
| 1467 | { |
| 1468 | BoxRec box; |
| 1469 | |
| 1470 | GCOP_UNWRAP(pGC); |
| 1471 | RL_DEBUG_MSG("push pixels start "); |
| 1472 | |
| 1473 | RootlessStartDrawing((WindowPtr) dst); |
| 1474 | pGC->ops->PushPixels(pGC, pBitMap, dst, dx, dy, xOrg, yOrg); |
| 1475 | |
| 1476 | box.x1 = xOrg + dst->x; |
| 1477 | box.x2 = box.x1 + dx; |
| 1478 | box.y1 = yOrg + dst->y; |
| 1479 | box.y2 = box.y1 + dy; |
| 1480 | |
| 1481 | TRIM_BOX(box, pGC); |
| 1482 | if (BOX_NOT_EMPTY(box)) |
| 1483 | RootlessDamageBox((WindowPtr) dst, &box); |
| 1484 | |
| 1485 | GCOP_WRAP(pGC); |
| 1486 | RL_DEBUG_MSG("push pixels end\n"); |
| 1487 | } |