dlls/riched20/writer.c

   1 /*
   2  * RichEdit - RTF writer module
   3  *
   4  * Copyright 2005 by Phil Krylov
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include "editor.h"
  25 #include "rtf.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(richedit);
  28
  29
  30 static BOOL
  31 ME_StreamOutRTFText(ME_OutStream *pStream, const WCHAR *text, LONG nChars);
  32
  33
  34 static ME_OutStream*
  35 ME_StreamOutInit(ME_TextEditor *editor, EDITSTREAM *stream)
  36 {
  37   ME_OutStream *pStream = ALLOC_OBJ(ME_OutStream);
  38   pStream->stream = stream;
  39   pStream->stream->dwError = 0;
  40   pStream->pos = 0;
  41   pStream->written = 0;
  42   pStream->nFontTblLen = 0;
  43   pStream->nColorTblLen = 1;
  44   pStream->nNestingLevel = 0;
  45   return pStream;
  46 }
  47
  48
  49 static BOOL
  50 ME_StreamOutFlush(ME_OutStream *pStream)
  51 {
  52   LONG nStart = 0;
  53   LONG nWritten = 0;
  54   LONG nRemaining = 0;
  55   EDITSTREAM *stream = pStream->stream;
  56
  57   while (nStart < pStream->pos) {
  58     TRACE("sending %u bytes\n", pStream->pos - nStart);
  59     /* Some apps seem not to set *pcb unless a problem arises, relying
  60       on initial random nWritten value, which is usually >STREAMOUT_BUFFER_SIZE */
  61     nRemaining = pStream->pos - nStart;
  62     nWritten = 0xDEADBEEF;
  63     stream->dwError = stream->pfnCallback(stream->dwCookie, (LPBYTE)pStream->buffer + nStart,
  64                                           pStream->pos - nStart, &nWritten);
  65     TRACE("error=%u written=%u\n", stream->dwError, nWritten);
  66     if (nWritten > (pStream->pos - nStart) || nWritten<0) {
  67       FIXME("Invalid returned written size *pcb: 0x%x (%d) instead of %d\n",
  68             (unsigned)nWritten, nWritten, nRemaining);
  69       nWritten = nRemaining;
  70     }
  71     if (nWritten == 0 || stream->dwError)
  72       return FALSE;
  73     pStream->written += nWritten;
  74     nStart += nWritten;
  75   }
  76   pStream->pos = 0;
  77   return TRUE;
  78 }
  79
  80
  81 static LONG
  82 ME_StreamOutFree(ME_OutStream *pStream)
  83 {
  84   LONG written = pStream->written;
  85   TRACE("total length = %u\n", written);
  86
  87   FREE_OBJ(pStream);
  88   return written;
  89 }
  90
  91
  92 static BOOL
  93 ME_StreamOutMove(ME_OutStream *pStream, const char *buffer, int len)
  94 {
  95   while (len) {
  96     int space = STREAMOUT_BUFFER_SIZE - pStream->pos;
  97     int fit = min(space, len);
  98
  99     TRACE("%u:%u:%s\n", pStream->pos, fit, debugstr_an(buffer,fit));
 100     memmove(pStream->buffer + pStream->pos, buffer, fit);
 101     len -= fit;
 102     buffer += fit;
 103     pStream->pos += fit;
 104     if (pStream->pos == STREAMOUT_BUFFER_SIZE) {
 105       if (!ME_StreamOutFlush(pStream))
 106         return FALSE;
 107     }
 108   }
 109   return TRUE;
 110 }
 111
 112
 113 static BOOL
 114 ME_StreamOutPrint(ME_OutStream *pStream, const char *format, ...)
 115 {
 116   char string[STREAMOUT_BUFFER_SIZE]; /* This is going to be enough */
 117   int len;
 118   va_list valist;
 119
 120   va_start(valist, format);
 121   len = vsnprintf(string, sizeof(string), format, valist);
 122   va_end(valist);
 123
 124   return ME_StreamOutMove(pStream, string, len);
 125 }
 126
 127
 128 static BOOL
 129 ME_StreamOutRTFHeader(ME_OutStream *pStream, int dwFormat)
 130 {
 131   const char *cCharSet = NULL;
 132   UINT nCodePage;
 133   LANGID language;
 134   BOOL success;
 135
 136   if (dwFormat & SF_USECODEPAGE) {
 137     CPINFOEXW info;
 138
 139     switch (HIWORD(dwFormat)) {
 140       case CP_ACP:
 141         cCharSet = "ansi";
 142         nCodePage = GetACP();
 143         break;
 144       case CP_OEMCP:
 145         nCodePage = GetOEMCP();
 146         if (nCodePage == 437)
 147           cCharSet = "pc";
 148         else if (nCodePage == 850)
 149           cCharSet = "pca";
 150         else
 151           cCharSet = "ansi";
 152         break;
 153       case CP_UTF8:
 154         nCodePage = CP_UTF8;
 155         break;
 156       default:
 157         if (HIWORD(dwFormat) == CP_MACCP) {
 158           cCharSet = "mac";
 159           nCodePage = 10000; /* MacRoman */
 160         } else {
 161           cCharSet = "ansi";
 162           nCodePage = 1252; /* Latin-1 */
 163         }
 164         if (GetCPInfoExW(HIWORD(dwFormat), 0, &info))
 165           nCodePage = info.CodePage;
 166     }
 167   } else {
 168     cCharSet = "ansi";
 169     /* TODO: If the original document contained an \ansicpg value, retain it.
 170      * Otherwise, M$ richedit emits a codepage number determined from the
 171      * charset of the default font here. Anyway, this value is not used by
 172      * the reader... */
 173     nCodePage = GetACP();
 174   }
 175   if (nCodePage == CP_UTF8)
 176     success = ME_StreamOutPrint(pStream, "{\\urtf");
 177   else
 178     success = ME_StreamOutPrint(pStream, "{\\rtf1\\%s\\ansicpg%u\\uc1", cCharSet, nCodePage);
 179
 180   if (!success)
 181     return FALSE;
 182
 183   pStream->nDefaultCodePage = nCodePage;
 184
 185   /* FIXME: This should be a document property */
 186   /* TODO: handle SFF_PLAINRTF */
 187   language = GetUserDefaultLangID();
 188   if (!ME_StreamOutPrint(pStream, "\\deff0\\deflang%u\\deflangfe%u", language, language))
 189     return FALSE;
 190
 191   /* FIXME: This should be a document property */
 192   pStream->nDefaultFont = 0;
 193
 194   return TRUE;
 195 }
 196
 197
 198 static BOOL
 199 ME_StreamOutRTFFontAndColorTbl(ME_OutStream *pStream, ME_DisplayItem *pFirstRun,
 200                                ME_DisplayItem *pLastRun)
 201 {
 202   ME_DisplayItem *item = pFirstRun;
 203   ME_FontTableItem *table = pStream->fonttbl;
 204   unsigned int i;
 205   ME_DisplayItem *pLastPara = ME_GetParagraph(pLastRun);
 206   ME_DisplayItem *pCell = NULL;
 207
 208   do {
 209     CHARFORMAT2W *fmt = &item->member.run.style->fmt;
 210     COLORREF crColor;
 211
 212     if (fmt->dwMask & CFM_FACE) {
 213       WCHAR *face = fmt->szFaceName;
 214       BYTE bCharSet = (fmt->dwMask & CFM_CHARSET) ? fmt->bCharSet : DEFAULT_CHARSET;
 215
 216       for (i = 0; i < pStream->nFontTblLen; i++)
 217         if (table[i].bCharSet == bCharSet
 218             && (table[i].szFaceName == face || !lstrcmpW(table[i].szFaceName, face)))
 219           break;
 220       if (i == pStream->nFontTblLen && i < STREAMOUT_FONTTBL_SIZE) {
 221         table[i].bCharSet = bCharSet;
 222         table[i].szFaceName = face;
 223         pStream->nFontTblLen++;
 224       }
 225     }
 226
 227     if (fmt->dwMask & CFM_COLOR && !(fmt->dwEffects & CFE_AUTOCOLOR)) {
 228       crColor = fmt->crTextColor;
 229       for (i = 1; i < pStream->nColorTblLen; i++)
 230         if (pStream->colortbl[i] == crColor)
 231           break;
 232       if (i == pStream->nColorTblLen && i < STREAMOUT_COLORTBL_SIZE) {
 233         pStream->colortbl[i] = crColor;
 234         pStream->nColorTblLen++;
 235       }
 236     }
 237     if (fmt->dwMask & CFM_BACKCOLOR && !(fmt->dwEffects & CFE_AUTOBACKCOLOR)) {
 238       crColor = fmt->crBackColor;
 239       for (i = 1; i < pStream->nColorTblLen; i++)
 240         if (pStream->colortbl[i] == crColor)
 241           break;
 242       if (i == pStream->nColorTblLen && i < STREAMOUT_COLORTBL_SIZE) {
 243         pStream->colortbl[i] = crColor;
 244         pStream->nColorTblLen++;
 245       }
 246     }
 247
 248     if (item == pLastRun)
 249       break;
 250     item = ME_FindItemFwd(item, diRun);
 251   } while (item);
 252   item = ME_GetParagraph(pFirstRun);
 253   do {
 254     if (item->member.para.pCell && item->member.para.pCell)
 255     {
 256       pCell = item->member.para.pCell;
 257       if (pCell)
 258       {
 259         ME_Border* borders[4] = { &pCell->member.cell.border.top,
 260                                   &pCell->member.cell.border.left,
 261                                   &pCell->member.cell.border.bottom,
 262                                   &pCell->member.cell.border.right };
 263         for (i = 0; i < 4; i++)
 264         {
 265           if (borders[i]->width > 0)
 266           {
 267             unsigned int j;
 268             COLORREF crColor = borders[i]->colorRef;
 269             for (j = 1; j < pStream->nColorTblLen; j++)
 270               if (pStream->colortbl[j] == crColor)
 271                 break;
 272             if (j == pStream->nColorTblLen && j < STREAMOUT_COLORTBL_SIZE) {
 273               pStream->colortbl[j] = crColor;
 274               pStream->nColorTblLen++;
 275             }
 276           }
 277         }
 278       }
 279     }
 280     if (item == pLastPara)
 281       break;
 282     item = item->member.para.next_para;
 283   } while (item);
 284
 285   if (!ME_StreamOutPrint(pStream, "{\\fonttbl"))
 286     return FALSE;
 287
 288   for (i = 0; i < pStream->nFontTblLen; i++) {
 289     if (table[i].bCharSet != DEFAULT_CHARSET) {
 290       if (!ME_StreamOutPrint(pStream, "{\\f%u\\fcharset%u ", i, table[i].bCharSet))
 291         return FALSE;
 292     } else {
 293       if (!ME_StreamOutPrint(pStream, "{\\f%u ", i))
 294         return FALSE;
 295     }
 296     if (!ME_StreamOutRTFText(pStream, table[i].szFaceName, -1))
 297       return FALSE;
 298     if (!ME_StreamOutPrint(pStream, ";}"))
 299       return FALSE;
 300   }
 301   if (!ME_StreamOutPrint(pStream, "}\r\n"))
 302     return FALSE;
 303
 304   /* Output colors table if not empty */
 305   if (pStream->nColorTblLen > 1) {
 306     if (!ME_StreamOutPrint(pStream, "{\\colortbl;"))
 307       return FALSE;
 308     for (i = 1; i < pStream->nColorTblLen; i++) {
 309       if (!ME_StreamOutPrint(pStream, "\\red%u\\green%u\\blue%u;",
 310                              pStream->colortbl[i] & 0xFF,
 311                              (pStream->colortbl[i] >> 8) & 0xFF,
 312                              (pStream->colortbl[i] >> 16) & 0xFF))
 313         return FALSE;
 314     }
 315     if (!ME_StreamOutPrint(pStream, "}"))
 316       return FALSE;
 317   }
 318
 319   return TRUE;
 320 }
 321
 322 static BOOL
 323 ME_StreamOutRTFTableProps(ME_TextEditor *editor, ME_OutStream *pStream,
 324                           ME_DisplayItem *para)
 325 {
 326   ME_DisplayItem *cell;
 327   char props[STREAMOUT_BUFFER_SIZE] = "";
 328   int i;
 329   const char sideChar[4] = {'t','l','b','r'};
 330
 331   if (!ME_StreamOutPrint(pStream, "\\trowd"))
 332     return FALSE;
 333   if (!editor->bEmulateVersion10) { /* v4.1 */
 334     PARAFORMAT2 *pFmt = ME_GetTableRowEnd(para)->member.para.pFmt;
 335     para = ME_GetTableRowStart(para);
 336     cell = para->member.para.next_para->member.para.pCell;
 337     assert(cell);
 338     if (pFmt->dxOffset)
 339       sprintf(props + strlen(props), "\\trgaph%d", pFmt->dxOffset);
 340     if (pFmt->dxStartIndent)
 341       sprintf(props + strlen(props), "\\trleft%d", pFmt->dxStartIndent);
 342     do {
 343       ME_Border* borders[4] = { &cell->member.cell.border.top,
 344                                 &cell->member.cell.border.left,
 345                                 &cell->member.cell.border.bottom,
 346                                 &cell->member.cell.border.right };
 347       for (i = 0; i < 4; i++)
 348       {
 349         if (borders[i]->width)
 350         {
 351           unsigned int j;
 352           COLORREF crColor = borders[i]->colorRef;
 353           sprintf(props + strlen(props), "\\clbrdr%c", sideChar[i]);
 354           sprintf(props + strlen(props), "\\brdrs");
 355           sprintf(props + strlen(props), "\\brdrw%d", borders[i]->width);
 356           for (j = 1; j < pStream->nColorTblLen; j++) {
 357             if (pStream->colortbl[j] == crColor) {
 358               sprintf(props + strlen(props), "\\brdrcf%u", j);
 359               break;
 360             }
 361           }
 362         }
 363       }
 364       sprintf(props + strlen(props), "\\cellx%d", cell->member.cell.nRightBoundary);
 365       cell = cell->member.cell.next_cell;
 366     } while (cell->member.cell.next_cell);
 367   } else { /* v1.0 - 3.0 */
 368     const ME_Border* borders[4] = { &para->member.para.border.top,
 369                                     &para->member.para.border.left,
 370                                     &para->member.para.border.bottom,
 371                                     &para->member.para.border.right };
 372     PARAFORMAT2 *pFmt = para->member.para.pFmt;
 373
 374     assert(!(para->member.para.nFlags & (MEPF_ROWSTART|MEPF_ROWEND|MEPF_CELL)));
 375     if (pFmt->dxOffset)
 376       sprintf(props + strlen(props), "\\trgaph%d", pFmt->dxOffset);
 377     if (pFmt->dxStartIndent)
 378       sprintf(props + strlen(props), "\\trleft%d", pFmt->dxStartIndent);
 379     for (i = 0; i < 4; i++)
 380     {
 381       if (borders[i]->width)
 382       {
 383         unsigned int j;
 384         COLORREF crColor = borders[i]->colorRef;
 385         sprintf(props + strlen(props), "\\trbrdr%c", sideChar[i]);
 386         sprintf(props + strlen(props), "\\brdrs");
 387         sprintf(props + strlen(props), "\\brdrw%d", borders[i]->width);
 388         for (j = 1; j < pStream->nColorTblLen; j++) {
 389           if (pStream->colortbl[j] == crColor) {
 390             sprintf(props + strlen(props), "\\brdrcf%u", j);
 391             break;
 392           }
 393         }
 394       }
 395     }
 396     for (i = 0; i < pFmt->cTabCount; i++)
 397     {
 398       sprintf(props + strlen(props), "\\cellx%d", pFmt->rgxTabs[i] & 0x00FFFFFF);
 399     }
 400   }
 401   if (!ME_StreamOutPrint(pStream, props))
 402     return FALSE;
 403   props[0] = '\0';
 404   return TRUE;
 405 }
 406
 407 static BOOL
 408 ME_StreamOutRTFParaProps(ME_TextEditor *editor, ME_OutStream *pStream,
 409                          ME_DisplayItem *para)
 410 {
 411   PARAFORMAT2 *fmt = para->member.para.pFmt;
 412   char props[STREAMOUT_BUFFER_SIZE] = "";
 413   int i;
 414
 415   if (!editor->bEmulateVersion10) { /* v4.1 */
 416     if (para->member.para.nFlags & MEPF_ROWSTART) {
 417       pStream->nNestingLevel++;
 418       if (pStream->nNestingLevel == 1) {
 419         if (!ME_StreamOutRTFTableProps(editor, pStream, para))
 420           return FALSE;
 421       }
 422       return TRUE;
 423     } else if (para->member.para.nFlags & MEPF_ROWEND) {
 424       pStream->nNestingLevel--;
 425       if (pStream->nNestingLevel >= 1) {
 426         if (!ME_StreamOutPrint(pStream, "{\\*\\nesttableprops"))
 427           return FALSE;
 428         if (!ME_StreamOutRTFTableProps(editor, pStream, para))
 429           return FALSE;
 430         if (!ME_StreamOutPrint(pStream, "\\nestrow}{\\nonesttables\\par}\r\n"))
 431           return FALSE;
 432       } else {
 433         if (!ME_StreamOutPrint(pStream, "\\row \r\n"))
 434           return FALSE;
 435       }
 436       return TRUE;
 437     }
 438   } else { /* v1.0 - 3.0 */
 439     if (para->member.para.pFmt->dwMask & PFM_TABLE &&
 440         para->member.para.pFmt->wEffects & PFE_TABLE)
 441     {
 442       if (!ME_StreamOutRTFTableProps(editor, pStream, para))
 443         return FALSE;
 444     }
 445   }
 446
 447   /* TODO: Don't emit anything if the last PARAFORMAT2 is inherited */
 448   if (!ME_StreamOutPrint(pStream, "\\pard"))
 449     return FALSE;
 450
 451   if (!editor->bEmulateVersion10) { /* v4.1 */
 452     if (pStream->nNestingLevel > 0)
 453       strcat(props, "\\intbl");
 454     if (pStream->nNestingLevel > 1)
 455       sprintf(props + strlen(props), "\\itap%d", pStream->nNestingLevel);
 456   } else { /* v1.0 - 3.0 */
 457     if (fmt->dwMask & PFM_TABLE && fmt->wEffects & PFE_TABLE)
 458       strcat(props, "\\intbl");
 459   }
 460
 461   /* TODO: PFM_BORDER. M$ does not emit any keywords for these properties, and
 462    * when streaming border keywords in, PFM_BORDER is set, but wBorder field is
 463    * set very different from the documentation.
 464    * (Tested with RichEdit 5.50.25.0601) */
 465
 466   if (fmt->dwMask & PFM_ALIGNMENT) {
 467     switch (fmt->wAlignment) {
 468       case PFA_LEFT:
 469         /* Default alignment: not emitted */
 470         break;
 471       case PFA_RIGHT:
 472         strcat(props, "\\qr");
 473         break;
 474       case PFA_CENTER:
 475         strcat(props, "\\qc");
 476         break;
 477       case PFA_JUSTIFY:
 478         strcat(props, "\\qj");
 479         break;
 480     }
 481   }
 482
 483   if (fmt->dwMask & PFM_LINESPACING) {
 484     /* FIXME: MSDN says that the bLineSpacingRule field is controlled by the
 485      * PFM_SPACEAFTER flag. Is that true? I don't believe so. */
 486     switch (fmt->bLineSpacingRule) {
 487       case 0: /* Single spacing */
 488         strcat(props, "\\sl-240\\slmult1");
 489         break;
 490       case 1: /* 1.5 spacing */
 491         strcat(props, "\\sl-360\\slmult1");
 492         break;
 493       case 2: /* Double spacing */
 494         strcat(props, "\\sl-480\\slmult1");
 495         break;
 496       case 3:
 497         sprintf(props + strlen(props), "\\sl%d\\slmult0", fmt->dyLineSpacing);
 498         break;
 499       case 4:
 500         sprintf(props + strlen(props), "\\sl-%d\\slmult0", fmt->dyLineSpacing);
 501         break;
 502       case 5:
 503         sprintf(props + strlen(props), "\\sl-%d\\slmult1", fmt->dyLineSpacing * 240 / 20);
 504         break;
 505     }
 506   }
 507
 508   if (fmt->dwMask & PFM_DONOTHYPHEN && fmt->wEffects & PFE_DONOTHYPHEN)
 509     strcat(props, "\\hyph0");
 510   if (fmt->dwMask & PFM_KEEP && fmt->wEffects & PFE_KEEP)
 511     strcat(props, "\\keep");
 512   if (fmt->dwMask & PFM_KEEPNEXT && fmt->wEffects & PFE_KEEPNEXT)
 513     strcat(props, "\\keepn");
 514   if (fmt->dwMask & PFM_NOLINENUMBER && fmt->wEffects & PFE_NOLINENUMBER)
 515     strcat(props, "\\noline");
 516   if (fmt->dwMask & PFM_NOWIDOWCONTROL && fmt->wEffects & PFE_NOWIDOWCONTROL)
 517     strcat(props, "\\nowidctlpar");
 518   if (fmt->dwMask & PFM_PAGEBREAKBEFORE && fmt->wEffects & PFE_PAGEBREAKBEFORE)
 519     strcat(props, "\\pagebb");
 520   if (fmt->dwMask & PFM_RTLPARA && fmt->wEffects & PFE_RTLPARA)
 521     strcat(props, "\\rtlpar");
 522   if (fmt->dwMask & PFM_SIDEBYSIDE && fmt->wEffects & PFE_SIDEBYSIDE)
 523     strcat(props, "\\sbys");
 524
 525   if (!(editor->bEmulateVersion10 && /* v1.0 - 3.0 */
 526         fmt->dwMask & PFM_TABLE && fmt->wEffects & PFE_TABLE))
 527   {
 528     if (fmt->dwMask & PFM_OFFSET)
 529       sprintf(props + strlen(props), "\\li%d", fmt->dxOffset);
 530     if (fmt->dwMask & PFM_OFFSETINDENT || fmt->dwMask & PFM_STARTINDENT)
 531       sprintf(props + strlen(props), "\\fi%d", fmt->dxStartIndent);
 532     if (fmt->dwMask & PFM_RIGHTINDENT)
 533       sprintf(props + strlen(props), "\\ri%d", fmt->dxRightIndent);
 534     if (fmt->dwMask & PFM_TABSTOPS) {
 535       static const char * const leader[6] = { "", "\\tldot", "\\tlhyph", "\\tlul", "\\tlth", "\\tleq" };
 536
 537       for (i = 0; i < fmt->cTabCount; i++) {
 538         switch ((fmt->rgxTabs[i] >> 24) & 0xF) {
 539           case 1:
 540             strcat(props, "\\tqc");
 541             break;
 542           case 2:
 543             strcat(props, "\\tqr");
 544             break;
 545           case 3:
 546             strcat(props, "\\tqdec");
 547             break;
 548           case 4:
 549             /* Word bar tab (vertical bar). Handled below */
 550             break;
 551         }
 552         if (fmt->rgxTabs[i] >> 28 <= 5)
 553           strcat(props, leader[fmt->rgxTabs[i] >> 28]);
 554         sprintf(props+strlen(props), "\\tx%d", fmt->rgxTabs[i]&0x00FFFFFF);
 555       }
 556     }
 557   }
 558   if (fmt->dwMask & PFM_SPACEAFTER)
 559     sprintf(props + strlen(props), "\\sa%d", fmt->dySpaceAfter);
 560   if (fmt->dwMask & PFM_SPACEBEFORE)
 561     sprintf(props + strlen(props), "\\sb%d", fmt->dySpaceBefore);
 562   if (fmt->dwMask & PFM_STYLE)
 563     sprintf(props + strlen(props), "\\s%d", fmt->sStyle);
 564
 565   if (fmt->dwMask & PFM_SHADING) {
 566     static const char * const style[16] = { "", "\\bgdkhoriz", "\\bgdkvert", "\\bgdkfdiag",
 567                                      "\\bgdkbdiag", "\\bgdkcross", "\\bgdkdcross",
 568                                      "\\bghoriz", "\\bgvert", "\\bgfdiag",
 569                                      "\\bgbdiag", "\\bgcross", "\\bgdcross",
 570                                      "", "", "" };
 571     if (fmt->wShadingWeight)
 572       sprintf(props + strlen(props), "\\shading%d", fmt->wShadingWeight);
 573     if (fmt->wShadingStyle & 0xF)
 574       strcat(props, style[fmt->wShadingStyle & 0xF]);
 575     sprintf(props + strlen(props), "\\cfpat%d\\cbpat%d",
 576             (fmt->wShadingStyle >> 4) & 0xF, (fmt->wShadingStyle >> 8) & 0xF);
 577   }
 578
 579   if (*props && !ME_StreamOutPrint(pStream, props))
 580     return FALSE;
 581
 582   return TRUE;
 583 }
 584
 585
 586 static BOOL
 587 ME_StreamOutRTFCharProps(ME_OutStream *pStream, CHARFORMAT2W *fmt)
 588 {
 589   char props[STREAMOUT_BUFFER_SIZE] = "";
 590   unsigned int i;
 591
 592   if (fmt->dwMask & CFM_ALLCAPS && fmt->dwEffects & CFE_ALLCAPS)
 593     strcat(props, "\\caps");
 594   if (fmt->dwMask & CFM_ANIMATION)
 595     sprintf(props + strlen(props), "\\animtext%u", fmt->bAnimation);
 596   if (fmt->dwMask & CFM_BACKCOLOR) {
 597     if (!(fmt->dwEffects & CFE_AUTOBACKCOLOR)) {
 598       for (i = 1; i < pStream->nColorTblLen; i++)
 599         if (pStream->colortbl[i] == fmt->crBackColor) {
 600           sprintf(props + strlen(props), "\\cb%u", i);
 601           break;
 602         }
 603     }
 604   }
 605   if (fmt->dwMask & CFM_BOLD && fmt->dwEffects & CFE_BOLD)
 606     strcat(props, "\\b");
 607   if (fmt->dwMask & CFM_COLOR) {
 608     if (!(fmt->dwEffects & CFE_AUTOCOLOR)) {
 609       for (i = 1; i < pStream->nColorTblLen; i++)
 610         if (pStream->colortbl[i] == fmt->crTextColor) {
 611           sprintf(props + strlen(props), "\\cf%u", i);
 612           break;
 613         }
 614     }
 615   }
 616   /* TODO: CFM_DISABLED */
 617   if (fmt->dwMask & CFM_EMBOSS && fmt->dwEffects & CFE_EMBOSS)
 618     strcat(props, "\\embo");
 619   if (fmt->dwMask & CFM_HIDDEN && fmt->dwEffects & CFE_HIDDEN)
 620     strcat(props, "\\v");
 621   if (fmt->dwMask & CFM_IMPRINT && fmt->dwEffects & CFE_IMPRINT)
 622     strcat(props, "\\impr");
 623   if (fmt->dwMask & CFM_ITALIC && fmt->dwEffects & CFE_ITALIC)
 624     strcat(props, "\\i");
 625   if (fmt->dwMask & CFM_KERNING)
 626     sprintf(props + strlen(props), "\\kerning%u", fmt->wKerning);
 627   if (fmt->dwMask & CFM_LCID) {
 628     /* TODO: handle SFF_PLAINRTF */
 629     if (LOWORD(fmt->lcid) == 1024)
 630       strcat(props, "\\noproof\\lang1024\\langnp1024\\langfe1024\\langfenp1024");
 631     else
 632       sprintf(props + strlen(props), "\\lang%u", LOWORD(fmt->lcid));
 633   }
 634   /* CFM_LINK is not streamed out by M$ */
 635   if (fmt->dwMask & CFM_OFFSET) {
 636     if (fmt->yOffset >= 0)
 637       sprintf(props + strlen(props), "\\up%d", fmt->yOffset);
 638     else
 639       sprintf(props + strlen(props), "\\dn%d", -fmt->yOffset);
 640   }
 641   if (fmt->dwMask & CFM_OUTLINE && fmt->dwEffects & CFE_OUTLINE)
 642     strcat(props, "\\outl");
 643   if (fmt->dwMask & CFM_PROTECTED && fmt->dwEffects & CFE_PROTECTED)
 644     strcat(props, "\\protect");
 645   /* TODO: CFM_REVISED CFM_REVAUTHOR - probably using rsidtbl? */
 646   if (fmt->dwMask & CFM_SHADOW && fmt->dwEffects & CFE_SHADOW)
 647     strcat(props, "\\shad");
 648   if (fmt->dwMask & CFM_SIZE)
 649     sprintf(props + strlen(props), "\\fs%d", fmt->yHeight / 10);
 650   if (fmt->dwMask & CFM_SMALLCAPS && fmt->dwEffects & CFE_SMALLCAPS)
 651     strcat(props, "\\scaps");
 652   if (fmt->dwMask & CFM_SPACING)
 653     sprintf(props + strlen(props), "\\expnd%u\\expndtw%u", fmt->sSpacing / 5, fmt->sSpacing);
 654   if (fmt->dwMask & CFM_STRIKEOUT && fmt->dwEffects & CFE_STRIKEOUT)
 655     strcat(props, "\\strike");
 656   if (fmt->dwMask & CFM_STYLE) {
 657     sprintf(props + strlen(props), "\\cs%u", fmt->sStyle);
 658     /* TODO: emit style contents here */
 659   }
 660   if (fmt->dwMask & (CFM_SUBSCRIPT | CFM_SUPERSCRIPT)) {
 661     if (fmt->dwEffects & CFE_SUBSCRIPT)
 662       strcat(props, "\\sub");
 663     else if (fmt->dwEffects & CFE_SUPERSCRIPT)
 664       strcat(props, "\\super");
 665   }
 666   if (fmt->dwMask & CFM_UNDERLINE || fmt->dwMask & CFM_UNDERLINETYPE) {
 667     if (fmt->dwMask & CFM_UNDERLINETYPE)
 668       switch (fmt->bUnderlineType) {
 669         case CFU_CF1UNDERLINE:
 670         case CFU_UNDERLINE:
 671           strcat(props, "\\ul");
 672           break;
 673         case CFU_UNDERLINEDOTTED:
 674           strcat(props, "\\uld");
 675           break;
 676         case CFU_UNDERLINEDOUBLE:
 677           strcat(props, "\\uldb");
 678           break;
 679         case CFU_UNDERLINEWORD:
 680           strcat(props, "\\ulw");
 681           break;
 682         case CFU_UNDERLINENONE:
 683         default:
 684           strcat(props, "\\ul0");
 685           break;
 686       }
 687     else if (fmt->dwEffects & CFE_UNDERLINE)
 688       strcat(props, "\\ul");
 689   }
 690   /* FIXME: How to emit CFM_WEIGHT? */
 691
 692   if (fmt->dwMask & CFM_FACE || fmt->dwMask & CFM_CHARSET) {
 693     WCHAR *szFaceName;
 694
 695     if (fmt->dwMask & CFM_FACE)
 696       szFaceName = fmt->szFaceName;
 697     else
 698       szFaceName = pStream->fonttbl[0].szFaceName;
 699     for (i = 0; i < pStream->nFontTblLen; i++) {
 700       if (szFaceName == pStream->fonttbl[i].szFaceName
 701           || !lstrcmpW(szFaceName, pStream->fonttbl[i].szFaceName))
 702         if (!(fmt->dwMask & CFM_CHARSET)
 703             || fmt->bCharSet == pStream->fonttbl[i].bCharSet)
 704           break;
 705     }
 706     if (i < pStream->nFontTblLen)
 707     {
 708       if (i != pStream->nDefaultFont)
 709         sprintf(props + strlen(props), "\\f%u", i);
 710
 711       /* In UTF-8 mode, charsets/codepages are not used */
 712       if (pStream->nDefaultCodePage != CP_UTF8)
 713       {
 714         if (pStream->fonttbl[i].bCharSet == DEFAULT_CHARSET)
 715           pStream->nCodePage = pStream->nDefaultCodePage;
 716         else
 717           pStream->nCodePage = RTFCharSetToCodePage(NULL, pStream->fonttbl[i].bCharSet);
 718       }
 719     }
 720   }
 721   if (*props)
 722     strcat(props, " ");
 723   if (!ME_StreamOutPrint(pStream, props))
 724     return FALSE;
 725   return TRUE;
 726 }
 727
 728
 729 static BOOL
 730 ME_StreamOutRTFText(ME_OutStream *pStream, const WCHAR *text, LONG nChars)
 731 {
 732   char buffer[STREAMOUT_BUFFER_SIZE];
 733   int pos = 0;
 734   int fit, nBytes, i;
 735
 736   if (nChars == -1)
 737     nChars = lstrlenW(text);
 738
 739   while (nChars) {
 740     /* In UTF-8 mode, font charsets are not used. */
 741     if (pStream->nDefaultCodePage == CP_UTF8) {
 742       /* 6 is the maximum character length in UTF-8 */
 743       fit = min(nChars, STREAMOUT_BUFFER_SIZE / 6);
 744       nBytes = WideCharToMultiByte(CP_UTF8, 0, text, fit, buffer,
 745                                    STREAMOUT_BUFFER_SIZE, NULL, NULL);
 746       nChars -= fit;
 747       text += fit;
 748       for (i = 0; i < nBytes; i++)
 749         if (buffer[i] == '{' || buffer[i] == '}' || buffer[i] == '\\') {
 750           if (!ME_StreamOutPrint(pStream, "%.*s\\", i - pos, buffer + pos))
 751             return FALSE;
 752           pos = i;
 753         }
 754       if (pos < nBytes)
 755         if (!ME_StreamOutMove(pStream, buffer + pos, nBytes - pos))
 756           return FALSE;
 757       pos = 0;
 758     } else if (*text < 128) {
 759       if (*text == '{' || *text == '}' || *text == '\\')
 760         buffer[pos++] = '\\';
 761       buffer[pos++] = (char)(*text++);
 762       nChars--;
 763     } else {
 764       BOOL unknown = FALSE;
 765       char letter[3];
 766
 767       /* FIXME: In the MS docs for WideCharToMultiByte there is a big list of
 768        * codepages including CP_SYMBOL for which the last parameter must be set
 769        * to NULL for the function to succeed. But in Wine we need to care only
 770        * about CP_SYMBOL */
 771       nBytes = WideCharToMultiByte(pStream->nCodePage, 0, text, 1,
 772                                    letter, 3, NULL,
 773                                    (pStream->nCodePage == CP_SYMBOL) ? NULL : &unknown);
 774       if (unknown)
 775         pos += sprintf(buffer + pos, "\\u%d?", (short)*text);
 776       else if ((BYTE)*letter < 128) {
 777         if (*letter == '{' || *letter == '}' || *letter == '\\')
 778           buffer[pos++] = '\\';
 779         buffer[pos++] = *letter;
 780       } else {
 781          for (i = 0; i < nBytes; i++)
 782            pos += sprintf(buffer + pos, "\\'%02x", (BYTE)letter[i]);
 783       }
 784       text++;
 785       nChars--;
 786     }
 787     if (pos >= STREAMOUT_BUFFER_SIZE - 11) {
 788       if (!ME_StreamOutMove(pStream, buffer, pos))
 789         return FALSE;
 790       pos = 0;
 791     }
 792   }
 793   return ME_StreamOutMove(pStream, buffer, pos);
 794 }
 795
 796
 797 static BOOL ME_StreamOutRTF(ME_TextEditor *editor, ME_OutStream *pStream,
 798                             const ME_Cursor *start, int nChars, int dwFormat)
 799 {
 800   ME_Cursor cursor = *start;
 801   ME_DisplayItem *prev_para = cursor.pPara;
 802   ME_Cursor endCur = cursor;
 803
 804   ME_MoveCursorChars(editor, &endCur, nChars);
 805
 806   if (!ME_StreamOutRTFHeader(pStream, dwFormat))
 807     return FALSE;
 808
 809   if (!ME_StreamOutRTFFontAndColorTbl(pStream, cursor.pRun, endCur.pRun))
 810     return FALSE;
 811
 812   /* TODO: stylesheet table */
 813
 814   /* FIXME: maybe emit something smarter for the generator? */
 815   if (!ME_StreamOutPrint(pStream, "{\\*\\generator Wine Riched20 2.0.????;}"))
 816     return FALSE;
 817
 818   /* TODO: information group */
 819
 820   /* TODO: document formatting properties */
 821
 822   /* FIXME: We have only one document section */
 823
 824   /* TODO: section formatting properties */
 825
 826   if (!ME_StreamOutRTFParaProps(editor, pStream, cursor.pPara))
 827     return FALSE;
 828
 829   do {
 830     if (cursor.pPara != prev_para)
 831     {
 832       prev_para = cursor.pPara;
 833       if (!ME_StreamOutRTFParaProps(editor, pStream, cursor.pPara))
 834         return FALSE;
 835     }
 836
 837     if (cursor.pRun == endCur.pRun && !endCur.nOffset)
 838       break;
 839     TRACE("flags %xh\n", cursor.pRun->member.run.nFlags);
 840     /* TODO: emit embedded objects */
 841     if (cursor.pPara->member.para.nFlags & (MEPF_ROWSTART|MEPF_ROWEND))
 842       continue;
 843     if (cursor.pRun->member.run.nFlags & MERF_GRAPHICS) {
 844       FIXME("embedded objects are not handled\n");
 845     } else if (cursor.pRun->member.run.nFlags & MERF_TAB) {
 846       if (editor->bEmulateVersion10 && /* v1.0 - 3.0 */
 847           cursor.pPara->member.para.pFmt->dwMask & PFM_TABLE &&
 848           cursor.pPara->member.para.pFmt->wEffects & PFE_TABLE)
 849       {
 850         if (!ME_StreamOutPrint(pStream, "\\cell "))
 851           return FALSE;
 852       } else {
 853         if (!ME_StreamOutPrint(pStream, "\\tab "))
 854           return FALSE;
 855       }
 856     } else if (cursor.pRun->member.run.nFlags & MERF_ENDCELL) {
 857       if (pStream->nNestingLevel > 1) {
 858         if (!ME_StreamOutPrint(pStream, "\\nestcell "))
 859           return FALSE;
 860       } else {
 861         if (!ME_StreamOutPrint(pStream, "\\cell "))
 862           return FALSE;
 863       }
 864       nChars--;
 865     } else if (cursor.pRun->member.run.nFlags & MERF_ENDPARA) {
 866       if (cursor.pPara->member.para.pFmt->dwMask & PFM_TABLE &&
 867           cursor.pPara->member.para.pFmt->wEffects & PFE_TABLE &&
 868           !(cursor.pPara->member.para.nFlags & (MEPF_ROWSTART|MEPF_ROWEND|MEPF_CELL)))
 869       {
 870         if (!ME_StreamOutPrint(pStream, "\\row \r\n"))
 871           return FALSE;
 872       } else {
 873         if (!ME_StreamOutPrint(pStream, "\r\n\\par"))
 874           return FALSE;
 875       }
 876       /* Skip as many characters as required by current line break */
 877       nChars = max(0, nChars - cursor.pRun->member.run.strText->nLen);
 878     } else if (cursor.pRun->member.run.nFlags & MERF_ENDROW) {
 879       if (!ME_StreamOutPrint(pStream, "\\line \r\n"))
 880         return FALSE;
 881       nChars--;
 882     } else {
 883       int nEnd;
 884
 885       if (!ME_StreamOutPrint(pStream, "{"))
 886         return FALSE;
 887       TRACE("style %p\n", cursor.pRun->member.run.style);
 888       if (!ME_StreamOutRTFCharProps(pStream, &cursor.pRun->member.run.style->fmt))
 889         return FALSE;
 890
 891       nEnd = (cursor.pRun == endCur.pRun) ? endCur.nOffset : cursor.pRun->member.run.strText->nLen;
 892       if (!ME_StreamOutRTFText(pStream, cursor.pRun->member.run.strText->szData + cursor.nOffset,
 893                                nEnd - cursor.nOffset))
 894         return FALSE;
 895       cursor.nOffset = 0;
 896       if (!ME_StreamOutPrint(pStream, "}"))
 897         return FALSE;
 898     }
 899   } while (cursor.pRun != endCur.pRun && ME_NextRun(&cursor.pPara, &cursor.pRun));
 900
 901   if (!ME_StreamOutMove(pStream, "}\0", 2))
 902     return FALSE;
 903   return TRUE;
 904 }
 905
 906
 907 static BOOL ME_StreamOutText(ME_TextEditor *editor, ME_OutStream *pStream,
 908                              const ME_Cursor *start, int nChars, DWORD dwFormat)
 909 {
 910   ME_Cursor cursor = *start;
 911   int nLen;
 912   UINT nCodePage = CP_ACP;
 913   char *buffer = NULL;
 914   int nBufLen = 0;
 915   BOOL success = TRUE;
 916
 917   if (!cursor.pRun)
 918     return FALSE;
 919
 920   if (dwFormat & SF_USECODEPAGE)
 921     nCodePage = HIWORD(dwFormat);
 922
 923   /* TODO: Handle SF_TEXTIZED */
 924
 925   while (success && nChars && cursor.pRun) {
 926     nLen = min(nChars, cursor.pRun->member.run.strText->nLen - cursor.nOffset);
 927
 928     if (!editor->bEmulateVersion10 && cursor.pRun->member.run.nFlags & MERF_ENDPARA)
 929     {
 930       static const WCHAR szEOL[] = { '\r', '\n' };
 931
 932       /* richedit 2.0 - all line breaks are \r\n */
 933       if (dwFormat & SF_UNICODE)
 934         success = ME_StreamOutMove(pStream, (const char *)szEOL, sizeof(szEOL));
 935       else
 936         success = ME_StreamOutMove(pStream, "\r\n", 2);
 937     } else {
 938       if (dwFormat & SF_UNICODE)
 939         success = ME_StreamOutMove(pStream, (const char *)(cursor.pRun->member.run.strText->szData + cursor.nOffset),
 940                                    sizeof(WCHAR) * nLen);
 941       else {
 942         int nSize;
 943
 944         nSize = WideCharToMultiByte(nCodePage, 0, cursor.pRun->member.run.strText->szData + cursor.nOffset,
 945                                     nLen, NULL, 0, NULL, NULL);
 946         if (nSize > nBufLen) {
 947           FREE_OBJ(buffer);
 948           buffer = ALLOC_N_OBJ(char, nSize);
 949           nBufLen = nSize;
 950         }
 951         WideCharToMultiByte(nCodePage, 0, cursor.pRun->member.run.strText->szData + cursor.nOffset,
 952                             nLen, buffer, nSize, NULL, NULL);
 953         success = ME_StreamOutMove(pStream, buffer, nSize);
 954       }
 955     }
 956
 957     nChars -= nLen;
 958     cursor.nOffset = 0;
 959     cursor.pRun = ME_FindItemFwd(cursor.pRun, diRun);
 960   }
 961
 962   FREE_OBJ(buffer);
 963   return success;
 964 }
 965
 966
 967 LRESULT ME_StreamOutRange(ME_TextEditor *editor, DWORD dwFormat,
 968                           const ME_Cursor *start,
 969                           int nChars, EDITSTREAM *stream)
 970 {
 971   ME_OutStream *pStream = ME_StreamOutInit(editor, stream);
 972
 973   if (dwFormat & SF_RTF)
 974     ME_StreamOutRTF(editor, pStream, start, nChars, dwFormat);
 975   else if (dwFormat & SF_TEXT || dwFormat & SF_TEXTIZED)
 976     ME_StreamOutText(editor, pStream, start, nChars, dwFormat);
 977   if (!pStream->stream->dwError)
 978     ME_StreamOutFlush(pStream);
 979   return ME_StreamOutFree(pStream);
 980 }
 981
 982 LRESULT
 983 ME_StreamOut(ME_TextEditor *editor, DWORD dwFormat, EDITSTREAM *stream)
 984 {
 985   ME_Cursor start;
 986   int nChars;
 987
 988   if (dwFormat & SFF_SELECTION) {
 989     int nStart, nTo;
 990     start = editor->pCursors[ME_GetSelectionOfs(editor, &nStart, &nTo)];
 991     nChars = nTo - nStart;
 992   } else {
 993     ME_SetCursorToStart(editor, &start);
 994     nChars = ME_GetTextLength(editor);
 995     /* Generate an end-of-paragraph at the end of SCF_ALL RTF output */
 996     if (dwFormat & SF_RTF)
 997       nChars++;
 998   }
 999   return ME_StreamOutRange(editor, dwFormat, &start, nChars, stream);
1000 }