dlls/x11drv/xrender.c

   1 /*
   2  * Functions to use the XRender extension
   3  *
   4  * Copyright 2001 Huw D M Davies for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20 #include "config.h"
  21 #include "wine/port.h"
  22
  23 #include <assert.h>
  24 #include <string.h>
  25 #include <stdlib.h>
  26
  27 #include "winnt.h"
  28 #include "x11drv.h"
  29 #include "bitmap.h"
  30 #include "wine/unicode.h"
  31 #include "wine/debug.h"
  32
  33 BOOL X11DRV_XRender_Installed = FALSE;
  34 WINE_DEFAULT_DEBUG_CHANNEL(xrender);
  35
  36 #ifdef HAVE_X11_EXTENSIONS_XRENDER_H
  37
  38 #include "ts_xlib.h"
  39 #include <X11/extensions/Xrender.h>
  40
  41 static XRenderPictFormat *screen_format; /* format of screen */
  42 static XRenderPictFormat *mono_format; /* format of mono bitmap */
  43
  44 typedef struct
  45 {
  46   LOGFONTW lf;
  47   XFORM  xform; /* this is dum as we don't care about offsets */
  48   DWORD hash;
  49 } LFANDSIZE;
  50
  51 #define INITIAL_REALIZED_BUF_SIZE 128
  52
  53
  54 typedef struct
  55 {
  56   LFANDSIZE lfsz;
  57   GlyphSet glyphset;
  58   XRenderPictFormat *font_format;
  59   int nrealized;
  60   BOOL *realized;
  61   UINT count;
  62   INT next;
  63 } gsCacheEntry;
  64
  65 struct tagXRENDERINFO
  66 {
  67     gsCacheEntry       *cacheEntry;
  68     Picture            pict;
  69     Picture            tile_pict;
  70     Pixmap             tile_xpm;
  71     COLORREF           lastTextColor;
  72 };
  73
  74
  75 static gsCacheEntry *glyphsetCache = NULL;
  76 static DWORD glyphsetCacheSize = 0;
  77 static INT lastfree = -1;
  78 static INT mru = -1;
  79
  80 #define INIT_CACHE_SIZE 10
  81
  82 static int antialias = 1;
  83
  84 /* some default values just in case */
  85 #ifndef SONAME_LIBX11
  86 #define SONAME_LIBX11 "libX11.so"
  87 #endif
  88 #ifndef SONAME_LIBXEXT
  89 #define SONAME_LIBXEXT "libXext.so"
  90 #endif
  91 #ifndef SONAME_LIBXRENDER
  92 #define SONAME_LIBXRENDER "libXrender.so"
  93 #endif
  94
  95 static void *xrender_handle;
  96
  97 #define MAKE_FUNCPTR(f) static typeof(f) * p##f;
  98 MAKE_FUNCPTR(XRenderAddGlyphs)
  99 MAKE_FUNCPTR(XRenderCompositeString8)
 100 MAKE_FUNCPTR(XRenderCompositeString16)
 101 MAKE_FUNCPTR(XRenderCompositeString32)
 102 MAKE_FUNCPTR(XRenderCreateGlyphSet)
 103 MAKE_FUNCPTR(XRenderCreatePicture)
 104 MAKE_FUNCPTR(XRenderFillRectangle)
 105 MAKE_FUNCPTR(XRenderFindFormat)
 106 MAKE_FUNCPTR(XRenderFindVisualFormat)
 107 MAKE_FUNCPTR(XRenderFreeGlyphSet)
 108 MAKE_FUNCPTR(XRenderFreePicture)
 109 MAKE_FUNCPTR(XRenderSetPictureClipRectangles)
 110 MAKE_FUNCPTR(XRenderQueryExtension)
 111 #undef MAKE_FUNCPTR
 112
 113 /***********************************************************************
 114  *   X11DRV_XRender_Init
 115  *
 116  * Let's see if our XServer has the extension available
 117  *
 118  */
 119 void X11DRV_XRender_Init(void)
 120 {
 121     int error_base, event_base, i;
 122     XRenderPictFormat pf;
 123
 124     if (!wine_dlopen(SONAME_LIBX11, RTLD_NOW|RTLD_GLOBAL, NULL, 0)) return;
 125     if (!wine_dlopen(SONAME_LIBXEXT, RTLD_NOW|RTLD_GLOBAL, NULL, 0)) return;
 126     xrender_handle = wine_dlopen(SONAME_LIBXRENDER, RTLD_NOW, NULL, 0);
 127     if(!xrender_handle) return;
 128
 129 #define LOAD_FUNCPTR(f) if((p##f = wine_dlsym(xrender_handle, #f, NULL, 0)) == NULL) goto sym_not_found;
 130 LOAD_FUNCPTR(XRenderAddGlyphs)
 131 LOAD_FUNCPTR(XRenderCompositeString8)
 132 LOAD_FUNCPTR(XRenderCompositeString16)
 133 LOAD_FUNCPTR(XRenderCompositeString32)
 134 LOAD_FUNCPTR(XRenderCreateGlyphSet)
 135 LOAD_FUNCPTR(XRenderCreatePicture)
 136 LOAD_FUNCPTR(XRenderFillRectangle)
 137 LOAD_FUNCPTR(XRenderFindFormat)
 138 LOAD_FUNCPTR(XRenderFindVisualFormat)
 139 LOAD_FUNCPTR(XRenderFreeGlyphSet)
 140 LOAD_FUNCPTR(XRenderFreePicture)
 141 LOAD_FUNCPTR(XRenderSetPictureClipRectangles)
 142 LOAD_FUNCPTR(XRenderQueryExtension)
 143 #undef LOAD_FUNCPTR
 144
 145     wine_tsx11_lock();
 146     if(pXRenderQueryExtension(gdi_display, &event_base, &error_base)) {
 147         X11DRV_XRender_Installed = TRUE;
 148         TRACE("Xrender is up and running error_base = %d\n", error_base);
 149         screen_format = pXRenderFindVisualFormat(gdi_display, visual);
 150         if(!screen_format) { /* This fails in buggy versions of libXrender.so */
 151             wine_tsx11_unlock();
 152             WINE_MESSAGE(
 153              "Wine has detected that you probably have a buggy version\n"
 154              "of libXrender.so .  Because of this client side font rendering\n"
 155              "will be disabled.  Please upgrade this library.\n");
 156             X11DRV_XRender_Installed = FALSE;
 157             return;
 158         }
 159         pf.type = PictTypeDirect;
 160         pf.depth = 1;
 161         pf.direct.alpha = 0;
 162         pf.direct.alphaMask = 1;
 163         mono_format = pXRenderFindFormat(gdi_display, PictFormatType |
 164                                           PictFormatDepth | PictFormatAlpha |
 165                                           PictFormatAlphaMask, &pf, 0);
 166         if(!mono_format) {
 167             wine_tsx11_unlock();
 168             ERR("mono_format == NULL?\n");
 169             X11DRV_XRender_Installed = FALSE;
 170             return;
 171         }
 172         glyphsetCache = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 173                                   sizeof(*glyphsetCache) * INIT_CACHE_SIZE);
 174
 175         glyphsetCacheSize = INIT_CACHE_SIZE;
 176         lastfree = 0;
 177         for(i = 0; i < INIT_CACHE_SIZE; i++) {
 178           glyphsetCache[i].next = i + 1;
 179           glyphsetCache[i].count = -1;
 180         }
 181         glyphsetCache[i-1].next = -1;
 182     } else {
 183         TRACE("Xrender is not available on this server\n");
 184     }
 185     wine_tsx11_unlock();
 186     return;
 187
 188 sym_not_found:
 189     wine_dlclose(xrender_handle, NULL, 0);
 190     xrender_handle = NULL;
 191 }
 192
 193 static BOOL fontcmp(LFANDSIZE *p1, LFANDSIZE *p2)
 194 {
 195   if(p1->hash != p2->hash) return TRUE;
 196   if(memcmp(&p1->xform, &p2->xform, sizeof(p1->xform))) return TRUE;
 197   if(memcmp(&p1->lf, &p2->lf, offsetof(LOGFONTW, lfFaceName))) return TRUE;
 198   return strcmpW(p1->lf.lfFaceName, p2->lf.lfFaceName);
 199 }
 200
 201 #if 0
 202 static void walk_cache(void)
 203 {
 204   int i;
 205
 206   for(i=mru; i >= 0; i = glyphsetCache[i].next)
 207     TRACE("item %d\n", i);
 208 }
 209 #endif
 210
 211 static gsCacheEntry *LookupEntry(LFANDSIZE *plfsz)
 212 {
 213   int i, prev_i = -1;
 214
 215   for(i = mru; i >= 0; i = glyphsetCache[i].next) {
 216     TRACE("%d\n", i);
 217     if(glyphsetCache[i].count == -1) { /* reached free list so stop */
 218       i = -1;
 219       break;
 220     }
 221
 222     if(!fontcmp(&glyphsetCache[i].lfsz, plfsz)) {
 223       glyphsetCache[i].count++;
 224       if(prev_i >= 0) {
 225         glyphsetCache[prev_i].next = glyphsetCache[i].next;
 226         glyphsetCache[i].next = mru;
 227         mru = i;
 228       }
 229       TRACE("found font in cache %d\n", i);
 230       return glyphsetCache + i;
 231     }
 232     prev_i = i;
 233   }
 234   TRACE("font not in cache\n");
 235   return NULL;
 236 }
 237
 238 static gsCacheEntry *AllocEntry(void)
 239 {
 240   int best = -1, prev_best = -1, i, prev_i = -1;
 241
 242   if(lastfree >= 0) {
 243     assert(glyphsetCache[lastfree].count == -1);
 244     glyphsetCache[lastfree].count = 1;
 245     best = lastfree;
 246     lastfree = glyphsetCache[lastfree].next;
 247     assert(best != mru);
 248     glyphsetCache[best].next = mru;
 249     mru = best;
 250
 251     TRACE("empty space at %d, next lastfree = %d\n", mru, lastfree);
 252     return glyphsetCache + mru;
 253   }
 254
 255   for(i = mru; i >= 0; i = glyphsetCache[i].next) {
 256     if(glyphsetCache[i].count == 0) {
 257       best = i;
 258       prev_best = prev_i;
 259     }
 260     prev_i = i;
 261   }
 262
 263   if(best >= 0) {
 264     TRACE("freeing unused glyphset at cache %d\n", best);
 265     wine_tsx11_lock();
 266     pXRenderFreeGlyphSet(gdi_display, glyphsetCache[best].glyphset);
 267     wine_tsx11_unlock();
 268     glyphsetCache[best].glyphset = 0;
 269     if(glyphsetCache[best].nrealized) { /* do we really want to do this? */
 270       HeapFree(GetProcessHeap(), 0, glyphsetCache[best].realized);
 271       glyphsetCache[best].realized = NULL;
 272       glyphsetCache[best].nrealized = 0;
 273     }
 274     glyphsetCache[best].count = 1;
 275     if(prev_best >= 0) {
 276       glyphsetCache[prev_best].next = glyphsetCache[best].next;
 277       glyphsetCache[best].next = mru;
 278       mru = best;
 279     } else {
 280       assert(mru == best);
 281     }
 282     return glyphsetCache + mru;
 283   }
 284
 285   TRACE("Growing cache\n");
 286   glyphsetCache = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 287                               glyphsetCache,
 288                               (glyphsetCacheSize + INIT_CACHE_SIZE)
 289                               * sizeof(*glyphsetCache));
 290   for(best = i = glyphsetCacheSize; i < glyphsetCacheSize + INIT_CACHE_SIZE;
 291       i++) {
 292     glyphsetCache[i].next = i + 1;
 293     glyphsetCache[i].count = -1;
 294   }
 295   glyphsetCache[i-1].next = -1;
 296   glyphsetCacheSize += INIT_CACHE_SIZE;
 297
 298   lastfree = glyphsetCache[best].next;
 299   glyphsetCache[best].count = 1;
 300   glyphsetCache[best].next = mru;
 301   mru = best;
 302   TRACE("new free cache slot at %d\n", mru);
 303   return glyphsetCache + mru;
 304 }
 305
 306 static gsCacheEntry *GetCacheEntry(LFANDSIZE *plfsz)
 307 {
 308   XRenderPictFormat pf;
 309   gsCacheEntry *ret;
 310
 311   if((ret = LookupEntry(plfsz)) != NULL) return ret;
 312
 313   ret = AllocEntry();
 314   ret->lfsz = *plfsz;
 315   assert(ret->nrealized == 0);
 316
 317
 318   if(antialias && abs(plfsz->lf.lfHeight) > 16) {
 319     pf.depth = 8;
 320     pf.direct.alphaMask = 0xff;
 321   } else {
 322     pf.depth = 1;
 323     pf.direct.alphaMask = 1;
 324   }
 325   pf.type = PictTypeDirect;
 326   pf.direct.alpha = 0;
 327
 328   wine_tsx11_lock();
 329   ret->font_format = pXRenderFindFormat(gdi_display,
 330                                          PictFormatType |
 331                                          PictFormatDepth |
 332                                          PictFormatAlpha |
 333                                          PictFormatAlphaMask,
 334                                          &pf, 0);
 335
 336   ret->glyphset = pXRenderCreateGlyphSet(gdi_display, ret->font_format);
 337   wine_tsx11_unlock();
 338   return ret;
 339 }
 340
 341 static void dec_ref_cache(gsCacheEntry *entry)
 342 {
 343   TRACE("dec'ing entry %d to %d\n", entry - glyphsetCache, entry->count - 1);
 344   assert(entry->count > 0);
 345   entry->count--;
 346 }
 347
 348 static void lfsz_calc_hash(LFANDSIZE *plfsz)
 349 {
 350   DWORD hash = 0, *ptr;
 351   int i;
 352
 353   for(ptr = (DWORD*)&plfsz->xform; ptr < (DWORD*)(&plfsz->xform + 1); ptr++)
 354     hash ^= *ptr;
 355   for(i = 0, ptr = (DWORD*)&plfsz->lf; i < 7; i++, ptr++)
 356     hash ^= *ptr;
 357   for(i = 0, ptr = (DWORD*)&plfsz->lf.lfFaceName; i < LF_FACESIZE/2; i++, ptr++) {
 358     WCHAR *pwc = (WCHAR *)ptr;
 359     if(!*pwc) break;
 360     hash ^= *ptr;
 361     pwc++;
 362     if(!*pwc) break;
 363   }
 364   plfsz->hash = hash;
 365   return;
 366 }
 367
 368 /***********************************************************************
 369  *   X11DRV_XRender_Finalize
 370  */
 371 void X11DRV_XRender_Finalize(void)
 372 {
 373     FIXME("Free cached glyphsets\n");
 374     if (xrender_handle) wine_dlclose(xrender_handle, NULL, 0);
 375     xrender_handle = NULL;
 376 }
 377
 378
 379 /***********************************************************************
 380  *   X11DRV_XRender_SelectFont
 381  */
 382 BOOL X11DRV_XRender_SelectFont(X11DRV_PDEVICE *physDev, HFONT hfont)
 383 {
 384     LFANDSIZE lfsz;
 385
 386     GetObjectW(hfont, sizeof(lfsz.lf), &lfsz.lf);
 387     TRACE("h=%ld w=%ld weight=%ld it=%d charset=%d name=%s\n",
 388           lfsz.lf.lfHeight, lfsz.lf.lfWidth, lfsz.lf.lfWeight,
 389           lfsz.lf.lfItalic, lfsz.lf.lfCharSet, debugstr_w(lfsz.lf.lfFaceName));
 390     lfsz.xform = physDev->dc->xformWorld2Vport;
 391     lfsz_calc_hash(&lfsz);
 392
 393     if(!physDev->xrender)
 394         physDev->xrender = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 395                                      sizeof(*physDev->xrender));
 396
 397     else if(physDev->xrender->cacheEntry)
 398         dec_ref_cache(physDev->xrender->cacheEntry);
 399     physDev->xrender->cacheEntry = GetCacheEntry(&lfsz);
 400     return 0;
 401 }
 402
 403 /***********************************************************************
 404  *   X11DRV_XRender_DeleteDC
 405  */
 406 void X11DRV_XRender_DeleteDC(X11DRV_PDEVICE *physDev)
 407 {
 408     wine_tsx11_lock();
 409     if(physDev->xrender->tile_pict)
 410         pXRenderFreePicture(gdi_display, physDev->xrender->tile_pict);
 411
 412     if(physDev->xrender->tile_xpm)
 413         XFreePixmap(gdi_display, physDev->xrender->tile_xpm);
 414
 415     if(physDev->xrender->pict) {
 416         TRACE("freeing pict = %lx dc = %p\n", physDev->xrender->pict, physDev->dc);
 417         pXRenderFreePicture(gdi_display, physDev->xrender->pict);
 418     }
 419     wine_tsx11_unlock();
 420
 421     if(physDev->xrender->cacheEntry)
 422         dec_ref_cache(physDev->xrender->cacheEntry);
 423
 424     HeapFree(GetProcessHeap(), 0, physDev->xrender);
 425     physDev->xrender = NULL;
 426     return;
 427 }
 428
 429 /***********************************************************************
 430  *   X11DRV_XRender_UpdateDrawable
 431  *
 432  * This gets called from X11DRV_SetDrawable and deletes the pict when the
 433  * drawable changes.  However at the moment we delete the pict at the end of
 434  * every ExtTextOut so this is basically a NOP.
 435  */
 436 void X11DRV_XRender_UpdateDrawable(X11DRV_PDEVICE *physDev)
 437 {
 438     if(physDev->xrender->pict) {
 439         TRACE("freeing pict %08lx from dc %p\n", physDev->xrender->pict, physDev->dc);
 440         wine_tsx11_lock();
 441         pXRenderFreePicture(gdi_display, physDev->xrender->pict);
 442         wine_tsx11_unlock();
 443     }
 444     physDev->xrender->pict = 0;
 445     return;
 446 }
 447
 448 static BOOL UploadGlyph(X11DRV_PDEVICE *physDev, int glyph)
 449 {
 450     int buflen;
 451     char *buf;
 452     Glyph gid;
 453     GLYPHMETRICS gm;
 454     XGlyphInfo gi;
 455     gsCacheEntry *entry = physDev->xrender->cacheEntry;
 456     UINT ggo_format = GGO_GLYPH_INDEX;
 457     BOOL aa;
 458
 459     if(entry->nrealized <= glyph) {
 460         entry->nrealized = (glyph / 128 + 1) * 128;
 461         entry->realized = HeapReAlloc(GetProcessHeap(),
 462                                       HEAP_ZERO_MEMORY,
 463                                       entry->realized,
 464                                       entry->nrealized * sizeof(BOOL));
 465     }
 466     entry->realized[glyph] = TRUE;
 467
 468     if(entry->font_format->depth == 8) {
 469         aa = TRUE;
 470         ggo_format |= WINE_GGO_GRAY16_BITMAP;
 471     } else {
 472         aa = FALSE;
 473         ggo_format |= GGO_BITMAP;
 474     }
 475
 476     buflen = GetGlyphOutlineW(physDev->hdc, glyph, ggo_format, &gm, 0, NULL,
 477                               NULL);
 478     if(buflen == GDI_ERROR)
 479         return FALSE;
 480
 481     buf = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, buflen);
 482     GetGlyphOutlineW(physDev->hdc, glyph, ggo_format, &gm, buflen, buf, NULL);
 483
 484     TRACE("buflen = %d. Got metrics: %dx%d adv=%d,%d origin=%ld,%ld\n",
 485           buflen,
 486           gm.gmBlackBoxX, gm.gmBlackBoxY, gm.gmCellIncX, gm.gmCellIncY,
 487           gm.gmptGlyphOrigin.x, gm.gmptGlyphOrigin.y);
 488
 489     gi.width = gm.gmBlackBoxX;
 490     gi.height = gm.gmBlackBoxY;
 491     gi.x = -gm.gmptGlyphOrigin.x;
 492     gi.y = gm.gmptGlyphOrigin.y;
 493     gi.xOff = gm.gmCellIncX;
 494     gi.yOff = gm.gmCellIncY;
 495
 496     if(TRACE_ON(xrender)) {
 497         int pitch, i, j;
 498         char output[300];
 499         unsigned char *line;
 500
 501         if(!aa) {
 502             pitch = ((gi.width + 31) / 32) * 4;
 503             for(i = 0; i < gi.height; i++) {
 504                 line = buf + i * pitch;
 505                 output[0] = '\0';
 506                 for(j = 0; j < pitch * 8; j++) {
 507                     strcat(output, (line[j / 8] & (1 << (7 - (j % 8)))) ? "#" : " ");
 508                 }
 509                 strcat(output, "\n");
 510                 TRACE(output);
 511             }
 512         } else {
 513             char blks[] = " .:;!o*#";
 514             char str[2];
 515
 516             str[1] = '\0';
 517             pitch = ((gi.width + 3) / 4) * 4;
 518             for(i = 0; i < gi.height; i++) {
 519                 line = buf + i * pitch;
 520                 output[0] = '\0';
 521                 for(j = 0; j < pitch; j++) {
 522                     str[0] = blks[line[j] >> 5];
 523                     strcat(output, str);
 524                 }
 525                 strcat(output, "\n");
 526                 TRACE(output);
 527             }
 528         }
 529     }
 530
 531     if(!aa && BitmapBitOrder(gdi_display) != MSBFirst) {
 532         unsigned char *byte = buf, c;
 533         int i = buflen;
 534
 535         while(i--) {
 536             c = *byte;
 537
 538             /* magic to flip bit order */
 539             c = ((c << 1) & 0xaa) | ((c >> 1) & 0x55);
 540             c = ((c << 2) & 0xcc) | ((c >> 2) & 0x33);
 541             c = ((c << 4) & 0xf0) | ((c >> 4) & 0x0f);
 542
 543             *byte++ = c;
 544         }
 545     }
 546     gid = glyph;
 547     wine_tsx11_lock();
 548     pXRenderAddGlyphs(gdi_display, entry->glyphset, &gid, &gi, 1,
 549                        buf, buflen);
 550     wine_tsx11_unlock();
 551     HeapFree(GetProcessHeap(), 0, buf);
 552     return TRUE;
 553 }
 554
 555 /***********************************************************************
 556  *   X11DRV_XRender_ExtTextOut
 557  */
 558 BOOL X11DRV_XRender_ExtTextOut( X11DRV_PDEVICE *physDev, INT x, INT y, UINT flags,
 559                                 const RECT *lprect, LPCWSTR wstr, UINT count,
 560                                 const INT *lpDx )
 561 {
 562     XRenderColor col;
 563     int idx;
 564     TEXTMETRICW tm;
 565     RGNDATA *data;
 566     SIZE sz;
 567     RECT rc;
 568     BOOL done_extents = FALSE;
 569     INT width, xwidth, ywidth;
 570     double cosEsc, sinEsc;
 571     XGCValues xgcval;
 572     LOGFONTW lf;
 573     int render_op = PictOpOver;
 574     WORD *glyphs;
 575     HDC hdc = physDev->hdc;
 576     DC *dc = physDev->dc;
 577
 578     TRACE("%04x, %d, %d, %08x, %p, %s, %d, %p)\n", hdc, x, y, flags,
 579           lprect, debugstr_wn(wstr, count), count, lpDx);
 580
 581     if(flags & ETO_GLYPH_INDEX)
 582         glyphs = (LPWORD)wstr;
 583     else {
 584         glyphs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR));
 585         GetGlyphIndicesW(hdc, wstr, count, glyphs, 0);
 586     }
 587
 588     if(lprect)
 589       TRACE("rect: %d,%d - %d,%d\n", lprect->left, lprect->top, lprect->right,
 590             lprect->bottom);
 591     TRACE("align = %x bkmode = %x mapmode = %x\n", dc->textAlign, GetBkMode(hdc), dc->MapMode);
 592
 593     if(dc->textAlign & TA_UPDATECP) {
 594         x = dc->CursPosX;
 595         y = dc->CursPosY;
 596     }
 597
 598     GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(lf), &lf);
 599     if(lf.lfEscapement != 0) {
 600         cosEsc = cos(lf.lfEscapement * M_PI / 1800);
 601         sinEsc = sin(lf.lfEscapement * M_PI / 1800);
 602     } else {
 603         cosEsc = 1;
 604         sinEsc = 0;
 605     }
 606
 607     if(flags & (ETO_CLIPPED | ETO_OPAQUE)) {
 608         if(!lprect) {
 609             if(flags & ETO_CLIPPED) return FALSE;
 610                 GetTextExtentPointI(hdc, glyphs, count, &sz);
 611                 done_extents = TRUE;
 612                 rc.left = x;
 613                 rc.top = y;
 614                 rc.right = x + sz.cx;
 615                 rc.bottom = y + sz.cy;
 616         } else {
 617             rc = *lprect;
 618         }
 619
 620         rc.left = INTERNAL_XWPTODP(dc, rc.left, rc.top);
 621         rc.top = INTERNAL_YWPTODP(dc, rc.left, rc.top);
 622         rc.right = INTERNAL_XWPTODP(dc, rc.right, rc.bottom);
 623         rc.bottom = INTERNAL_YWPTODP(dc, rc.right, rc.bottom);
 624
 625         if(rc.left > rc.right) {INT tmp = rc.left; rc.left = rc.right; rc.right = tmp;}
 626         if(rc.top > rc.bottom) {INT tmp = rc.top; rc.top = rc.bottom; rc.bottom = tmp;}
 627     }
 628
 629     xgcval.function = GXcopy;
 630     xgcval.background = physDev->backgroundPixel;
 631     xgcval.fill_style = FillSolid;
 632     TSXChangeGC( gdi_display, physDev->gc,
 633                  GCFunction | GCBackground | GCFillStyle, &xgcval );
 634
 635     X11DRV_LockDIBSection( physDev, DIB_Status_GdiMod, FALSE );
 636
 637     if(flags & ETO_OPAQUE) {
 638         TSXSetForeground( gdi_display, physDev->gc, physDev->backgroundPixel );
 639         TSXFillRectangle( gdi_display, physDev->drawable, physDev->gc,
 640                           physDev->org.x + rc.left, physDev->org.y + rc.top,
 641                           rc.right - rc.left, rc.bottom - rc.top );
 642     }
 643
 644     if(count == 0) {
 645         X11DRV_UnlockDIBSection( physDev, TRUE );
 646         return TRUE;
 647     }
 648
 649     x = INTERNAL_XWPTODP( dc, x, y );
 650     y = INTERNAL_YWPTODP( dc, x, y );
 651
 652     TRACE("real x,y %d,%d\n", x, y);
 653
 654     if(lpDx) {
 655         width = 0;
 656         for(idx = 0; idx < count; idx++)
 657             width += lpDx[idx];
 658     } else {
 659         if(!done_extents) {
 660             GetTextExtentPointI(hdc, glyphs, count, &sz);
 661             done_extents = TRUE;
 662         }
 663         width = sz.cx;
 664     }
 665     width = INTERNAL_XWSTODS(dc, width);
 666     xwidth = width * cosEsc;
 667     ywidth = width * sinEsc;
 668
 669     GetTextMetricsW(hdc, &tm);
 670
 671     tm.tmAscent = INTERNAL_YWSTODS(dc, tm.tmAscent);
 672     tm.tmDescent = INTERNAL_YWSTODS(dc, tm.tmDescent);
 673     switch( dc->textAlign & (TA_LEFT | TA_RIGHT | TA_CENTER) ) {
 674     case TA_LEFT:
 675         if (dc->textAlign & TA_UPDATECP) {
 676             dc->CursPosX = INTERNAL_XDPTOWP( dc, x + xwidth, y - ywidth );
 677             dc->CursPosY = INTERNAL_YDPTOWP( dc, x + xwidth, y - ywidth );
 678         }
 679         break;
 680
 681     case TA_CENTER:
 682         x -= xwidth / 2;
 683         y += ywidth / 2;
 684         break;
 685
 686     case TA_RIGHT:
 687         x -= xwidth;
 688         y += ywidth;
 689         if (dc->textAlign & TA_UPDATECP) {
 690             dc->CursPosX = INTERNAL_XDPTOWP( dc, x + xwidth, y - ywidth );
 691             dc->CursPosY = INTERNAL_YDPTOWP( dc, x + xwidth, y - ywidth );
 692         }
 693         break;
 694     }
 695
 696     switch( dc->textAlign & (TA_TOP | TA_BOTTOM | TA_BASELINE) ) {
 697     case TA_TOP:
 698         y += tm.tmAscent * cosEsc;
 699         x += tm.tmAscent * sinEsc;
 700         break;
 701
 702     case TA_BOTTOM:
 703         y -= tm.tmDescent * cosEsc;
 704         x -= tm.tmDescent * sinEsc;
 705         break;
 706
 707     case TA_BASELINE:
 708         break;
 709     }
 710
 711     if (flags & ETO_CLIPPED)
 712     {
 713         SaveVisRgn16( hdc );
 714         IntersectVisRect16( dc->hSelf, lprect->left, lprect->top, lprect->right, lprect->bottom );
 715     }
 716
 717     if(!physDev->xrender->pict) {
 718         XRenderPictureAttributes pa;
 719         pa.subwindow_mode = IncludeInferiors;
 720
 721         wine_tsx11_lock();
 722         physDev->xrender->pict = pXRenderCreatePicture(gdi_display,
 723                                                        physDev->drawable,
 724                                                        (dc->bitsPerPixel == 1) ?
 725                                                        mono_format : screen_format,
 726                                                        CPSubwindowMode, &pa);
 727         wine_tsx11_unlock();
 728
 729         TRACE("allocing pict = %lx dc = %p drawable = %08lx\n", physDev->xrender->pict, dc, physDev->drawable);
 730     } else {
 731         TRACE("using existing pict = %lx dc = %p\n", physDev->xrender->pict, dc);
 732     }
 733
 734     if ((data = X11DRV_GetRegionData( dc->hGCClipRgn, 0 )))
 735     {
 736         wine_tsx11_lock();
 737         pXRenderSetPictureClipRectangles( gdi_display, physDev->xrender->pict,
 738                                           physDev->org.x, physDev->org.y,
 739                                           (XRectangle *)data->Buffer, data->rdh.nCount );
 740         wine_tsx11_unlock();
 741         HeapFree( GetProcessHeap(), 0, data );
 742     }
 743
 744     if(GetBkMode(hdc) != TRANSPARENT) {
 745         if(!((flags & ETO_CLIPPED) && (flags & ETO_OPAQUE))) {
 746             if(!(flags & ETO_OPAQUE) || x < rc.left || x + width >= rc.right ||
 747                y - tm.tmAscent < rc.top || y + tm.tmDescent >= rc.bottom) {
 748                 TSXSetForeground( gdi_display, physDev->gc, physDev->backgroundPixel );
 749                 TSXFillRectangle( gdi_display, physDev->drawable, physDev->gc,
 750                                   physDev->org.x + x, physDev->org.y + y - tm.tmAscent,
 751                                   width, tm.tmAscent + tm.tmDescent );
 752             }
 753         }
 754     }
 755
 756     /* Create a 1x1 pixmap to tile over the font mask */
 757     if(!physDev->xrender->tile_xpm) {
 758         XRenderPictureAttributes pa;
 759
 760         XRenderPictFormat *format = (dc->bitsPerPixel == 1) ? mono_format : screen_format;
 761         wine_tsx11_lock();
 762         physDev->xrender->tile_xpm = XCreatePixmap(gdi_display,
 763                                                      physDev->drawable,
 764                                                      1, 1,
 765                                                      format->depth);
 766         pa.repeat = True;
 767         physDev->xrender->tile_pict = pXRenderCreatePicture(gdi_display,
 768                                                              physDev->xrender->tile_xpm,
 769                                                              format,
 770                                                              CPRepeat, &pa);
 771         wine_tsx11_unlock();
 772         TRACE("Created pixmap of depth %d\n", format->depth);
 773         /* init lastTextColor to something different from dc->textColor */
 774         physDev->xrender->lastTextColor = ~dc->textColor;
 775
 776     }
 777
 778     if(dc->textColor != physDev->xrender->lastTextColor) {
 779         if(dc->bitsPerPixel != 1) {
 780             /* Map 0 -- 0xff onto 0 -- 0xffff */
 781             col.red = GetRValue(dc->textColor);
 782             col.red |= col.red << 8;
 783             col.green = GetGValue(dc->textColor);
 784             col.green |= col.green << 8;
 785             col.blue = GetBValue(dc->textColor);
 786             col.blue |= col.blue << 8;
 787             col.alpha = 0x0;
 788         } else { /* for a 1bpp bitmap we always need a 1 in the tile */
 789             col.red = col.green = col.blue = 0;
 790             col.alpha = 0xffff;
 791         }
 792         wine_tsx11_lock();
 793         pXRenderFillRectangle(gdi_display, PictOpSrc,
 794                                physDev->xrender->tile_pict,
 795                                &col, 0, 0, 1, 1);
 796         wine_tsx11_unlock();
 797         physDev->xrender->lastTextColor = dc->textColor;
 798     }
 799
 800     /* FIXME the mapping of Text/BkColor onto 1 or 0 needs investigation.
 801      */
 802     if((dc->bitsPerPixel == 1) && ((dc->textColor & 0xffffff) == 0))
 803         render_op = PictOpOutReverse; /* This gives us 'black' text */
 804
 805     for(idx = 0; idx < count; idx++) {
 806         if(glyphs[idx] >= physDev->xrender->cacheEntry->nrealized ||
 807            physDev->xrender->cacheEntry->realized[glyphs[idx]] == FALSE) {
 808             UploadGlyph(physDev, glyphs[idx]);
 809         }
 810     }
 811
 812
 813     TRACE("Writing %s at %ld,%ld\n", debugstr_wn(wstr,count),
 814           physDev->org.x + x, physDev->org.y + y);
 815
 816     wine_tsx11_lock();
 817     if(!lpDx)
 818         pXRenderCompositeString16(gdi_display, render_op,
 819                                    physDev->xrender->tile_pict,
 820                                    physDev->xrender->pict,
 821                                    physDev->xrender->cacheEntry->font_format,
 822                                    physDev->xrender->cacheEntry->glyphset,
 823                                    0, 0, physDev->org.x + x, physDev->org.y + y,
 824                                    glyphs, count);
 825
 826     else {
 827         INT offset = 0, xoff = 0, yoff = 0;
 828         for(idx = 0; idx < count; idx++) {
 829             pXRenderCompositeString16(gdi_display, render_op,
 830                                        physDev->xrender->tile_pict,
 831                                        physDev->xrender->pict,
 832                                        physDev->xrender->cacheEntry->font_format,
 833                                        physDev->xrender->cacheEntry->glyphset,
 834                                        0, 0, physDev->org.x + x + xoff,
 835                                        physDev->org.y + y + yoff,
 836                                        glyphs + idx, 1);
 837             offset += INTERNAL_XWSTODS(dc, lpDx[idx]);
 838             xoff = offset * cosEsc;
 839             yoff = offset * -sinEsc;
 840         }
 841     }
 842
 843     if(physDev->xrender->pict) {
 844         pXRenderFreePicture(gdi_display, physDev->xrender->pict);
 845     }
 846     physDev->xrender->pict = 0;
 847     wine_tsx11_unlock();
 848
 849     if (flags & ETO_CLIPPED)
 850         RestoreVisRgn16( hdc );
 851
 852     X11DRV_UnlockDIBSection( physDev, TRUE );
 853     if(glyphs != wstr) HeapFree(GetProcessHeap(), 0, glyphs);
 854     return TRUE;
 855 }
 856
 857 #else /* HAVE_X11_EXTENSIONS_XRENDER_H */
 858
 859 void X11DRV_XRender_Init(void)
 860 {
 861     TRACE("XRender support not compiled in.\n");
 862     return;
 863 }
 864
 865 void X11DRV_XRender_Finalize(void)
 866 {
 867 }
 868
 869 BOOL X11DRV_XRender_SelectFont(X11DRV_PDEVICE *physDev, HFONT hfont)
 870 {
 871   assert(0);
 872   return FALSE;
 873 }
 874
 875 void X11DRV_XRender_DeleteDC(X11DRV_PDEVICE *physDev)
 876 {
 877   assert(0);
 878   return;
 879 }
 880
 881 BOOL X11DRV_XRender_ExtTextOut( X11DRV_PDEVICE *physDev, INT x, INT y, UINT flags,
 882                                 const RECT *lprect, LPCWSTR wstr, UINT count,
 883                                 const INT *lpDx )
 884 {
 885   assert(0);
 886   return FALSE;
 887 }
 888
 889 void X11DRV_XRender_UpdateDrawable(X11DRV_PDEVICE *physDev)
 890 {
 891   assert(0);
 892   return;
 893 }
 894
 895 #endif /* HAVE_X11_EXTENSIONS_XRENDER_H */