dlls/winedib.drv/pen_brush.c

   1 /*
   2  * DIBDRV pen objects
   3  *
   4  * Copyright 2009 Massimo Del Fedele
   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 "dibdrv.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(dibdrv);
  27
  28
  29 static const DASHPATTERN dashPatterns[4] =
  30 {
  31     {2, {18, 6}},
  32     {2, {3,  3}},
  33     {4, {9, 6, 3, 6}},
  34     {6, {9, 3, 3, 3, 3, 3}}
  35 };
  36
  37 static inline void OrderEndPoints(int *s, int *e)
  38 {
  39     if(*s > *e)
  40     {
  41         int tmp;
  42         tmp = *s + 1;
  43         *s = *e + 1;
  44         *e = tmp;
  45     }
  46 }
  47
  48 static void SolidPenHLine(DIBDRVPHYSDEV *physDev, int x1, int x2, int y)
  49 {
  50     OrderEndPoints(&x1, &x2);
  51     physDev->physBitmap.funcs->SolidHLine(&physDev->physBitmap, x1, x2, y, physDev->penAnd, physDev->penXor);
  52 }
  53
  54 static void SolidPenVline(DIBDRVPHYSDEV *physDev, int x, int y1, int y2)
  55 {
  56     OrderEndPoints(&y1, &y2);
  57     physDev->physBitmap.funcs->SolidVLine(&physDev->physBitmap, x, y1, y2, physDev->penAnd, physDev->penXor);
  58 }
  59
  60 static void WINAPI SolidPenLineCallback(int x, int y, LPARAM lparam)
  61 {
  62     DIBDRVPHYSDEV *physDev = (DIBDRVPHYSDEV *)lparam;
  63
  64     physDev->physBitmap.funcs->SetPixel(&physDev->physBitmap, x, y, physDev->penAnd, physDev->penXor);
  65     return;
  66 }
  67
  68 void SolidPenLine(DIBDRVPHYSDEV *physDev, int x1, int y1, int x2, int y2)
  69 {
  70     LineDDA(x1, y1, x2, y2, SolidPenLineCallback, (LPARAM)physDev);
  71 }
  72
  73 static inline void GetDashColors(DIBDRVPHYSDEV *physDev, DWORD *and, DWORD *xor)
  74 {
  75     if(physDev->markSpace == mark)
  76     {
  77         *and = physDev->penAnd;
  78         *xor = physDev->penXor;
  79     }
  80     else if(GetBkMode(physDev->hdc) == OPAQUE)
  81     {
  82         *and = physDev->backgroundAnd;
  83         *xor = physDev->backgroundXor;
  84     }
  85     else
  86     {
  87         *and = 0xffffffff;
  88         *xor = 0;
  89     }
  90 }
  91
  92 static inline void NextDash(DIBDRVPHYSDEV *physDev)
  93 {
  94     if(physDev->leftInDash != 0)
  95         return;
  96
  97     physDev->curDash++;
  98     if(physDev->curDash == physDev->penPattern->count)
  99         physDev->curDash = 0;
 100     physDev->leftInDash = physDev->penPattern->dashes[physDev->curDash];
 101     if(physDev->markSpace == mark)
 102         physDev->markSpace = space;
 103     else
 104         physDev->markSpace = mark;
 105 }
 106
 107 static void DashedPenHLine(DIBDRVPHYSDEV *physDev, int x1, int x2, int y)
 108 {
 109     int x = x1;
 110     DWORD and, xor;
 111     DWORD dashLen;
 112
 113     if(x1 <= x2)
 114     {
 115         while(x != x2)
 116         {
 117             GetDashColors(physDev, &and, &xor);
 118
 119             dashLen = physDev->leftInDash;
 120             if(x + dashLen > x2)
 121                 dashLen = x2 - x;
 122
 123             physDev->physBitmap.funcs->SolidHLine(&physDev->physBitmap, x, x + dashLen, y, and, xor);
 124             x += dashLen;
 125
 126             physDev->leftInDash -= dashLen;
 127             NextDash(physDev);
 128         }
 129     }
 130     else
 131     {
 132         while(x != x2)
 133         {
 134             GetDashColors(physDev, &and, &xor);
 135
 136             dashLen = physDev->leftInDash;
 137             if(x - (int)dashLen < x2)
 138                 dashLen = x - x2;
 139
 140             physDev->physBitmap.funcs->SolidHLine(&physDev->physBitmap, x - dashLen + 1, x + 1, y, and, xor);
 141             x -= dashLen;
 142
 143             physDev->leftInDash -= dashLen;
 144             NextDash(physDev);
 145         }
 146     }
 147 }
 148
 149 static void DashedPenVLine(DIBDRVPHYSDEV *physDev, int x, int y1, int y2)
 150 {
 151     int y = y1;
 152     DWORD and, xor;
 153     DWORD dashLen;
 154
 155     if(y1 <= y2)
 156     {
 157         while(y != y2)
 158         {
 159             GetDashColors(physDev, &and, &xor);
 160
 161             dashLen = physDev->leftInDash;
 162             if(y + dashLen > y2)
 163                 dashLen = y2 - y;
 164
 165             physDev->physBitmap.funcs->SolidVLine(&physDev->physBitmap, x, y, y + dashLen, and, xor);
 166             y += dashLen;
 167
 168             physDev->leftInDash -= dashLen;
 169             NextDash(physDev);
 170         }
 171     }
 172     else
 173     {
 174         while(y != y2)
 175         {
 176             GetDashColors(physDev, &and, &xor);
 177
 178             dashLen = physDev->leftInDash;
 179             if(y - (int)dashLen < y2)
 180                 dashLen = y - y2;
 181
 182             physDev->physBitmap.funcs->SolidVLine(&physDev->physBitmap, x, y - dashLen + 1, y + 1, and, xor);
 183             y -= dashLen;
 184
 185             physDev->leftInDash -= dashLen;
 186             NextDash(physDev);
 187         }
 188     }
 189 }
 190
 191 static void WINAPI DashedPenLineCallback(int x, int y, LPARAM lparam)
 192 {
 193     DIBDRVPHYSDEV *physDev = (DIBDRVPHYSDEV *)lparam;
 194     DWORD and, xor;
 195
 196     GetDashColors(physDev, &and, &xor);
 197
 198     physDev->physBitmap.funcs->SetPixel(&physDev->physBitmap, x, y, and, xor);
 199
 200     physDev->leftInDash--;
 201     NextDash(physDev);
 202
 203     return;
 204 }
 205
 206 static void DashedPenLine(DIBDRVPHYSDEV *physDev, int x1, int y1, int x2, int y2)
 207 {
 208     LineDDA(x1, y1, x2, y2, DashedPenLineCallback, (LPARAM)physDev);
 209 }
 210
 211 void _DIBDRV_ResetDashOrigin(DIBDRVPHYSDEV *physDev)
 212 {
 213     physDev->curDash = 0;
 214     if(physDev->penPattern)
 215         physDev->leftInDash = physDev->penPattern->dashes[0];
 216     physDev->markSpace = mark;
 217 }
 218
 219
 220 /* For 1bpp bitmaps, unless the selected foreground color exactly
 221    matches foreground's colortable OR it's the WHITE color,
 222    the background color is used -- tested on WinXP */
 223 static DWORD AdjustFgColor(DIBDRVPHYSDEV *physDev, COLORREF color)
 224 {
 225     RGBQUAD *fore = physDev->physBitmap.colorTable+1;
 226
 227     if((color & 0x00ffffff) == 0x00ffffff ||
 228        (
 229            fore->rgbRed   == GetRValue(color) &&
 230            fore->rgbGreen == GetGValue(color) &&
 231            fore->rgbBlue  == GetBValue(color)
 232     ))
 233        return 1;
 234     return 0;
 235 }
 236
 237 static void FixupFgColors1(DIBDRVPHYSDEV *physDev)
 238 {
 239     int rop = GetROP2(physDev->hdc);
 240
 241     physDev->penColor   = AdjustFgColor(physDev, physDev->penColorref);
 242     physDev->brushColor = AdjustFgColor(physDev, physDev->brushColorref);
 243
 244     _DIBDRV_CalcAndXorMasks(rop, physDev->penColor, &physDev->penAnd, &physDev->penXor);
 245     _DIBDRV_CalcAndXorMasks(rop, physDev->brushColor, &physDev->brushAnd, &physDev->brushXor);
 246     HeapFree(GetProcessHeap(), 0, physDev->brushAnds);
 247     HeapFree(GetProcessHeap(), 0, physDev->brushXors);
 248     physDev->brushAnds = NULL;
 249     physDev->brushXors = NULL;
 250 }
 251
 252 static void SolidBrushHLine(DIBDRVPHYSDEV *physDev, int x1, int x2, int y)
 253 {
 254     OrderEndPoints(&x1, &x2);
 255     physDev->physBitmap.funcs->SolidHLine(&physDev->physBitmap, x1, x2, y, physDev->brushAnd, physDev->brushXor);
 256 }
 257
 258
 259 static void GenerateMasks(DIBDRVPHYSDEV *physDev, DIBDRVBITMAP *bmp, DWORD **and, DWORD **xor)
 260 {
 261     int rop = GetROP2(physDev->hdc);
 262     DWORD *color_ptr, *and_ptr, *xor_ptr;
 263     DWORD size = bmp->height * abs(bmp->stride);
 264
 265     *and = HeapAlloc(GetProcessHeap(), 0, size);
 266     *xor = HeapAlloc(GetProcessHeap(), 0, size);
 267
 268     color_ptr = bmp->bits;
 269     and_ptr = *and;
 270     xor_ptr = *xor;
 271
 272     while(size)
 273     {
 274         _DIBDRV_CalcAndXorMasks(rop, *color_ptr++, and_ptr++, xor_ptr++);
 275         size -= 4;
 276     }
 277 }
 278
 279 static void PatternBrushHLine(DIBDRVPHYSDEV *physDev, int x1, int x2, int y)
 280 {
 281     DWORD *and, *xor, brushY = y % physDev->brushBitmap.height;
 282
 283     if(!physDev->brushAnds)
 284         GenerateMasks(physDev, &physDev->brushBitmap, &physDev->brushAnds, &physDev->brushXors);
 285
 286     OrderEndPoints(&x1, &x2);
 287     and = (DWORD *)((char *)physDev->brushAnds + brushY * physDev->brushBitmap.stride);
 288     xor = (DWORD *)((char *)physDev->brushXors + brushY * physDev->brushBitmap.stride);
 289
 290     physDev->physBitmap.funcs->PatternHLine(&physDev->physBitmap, x1, x2, y, and, xor, physDev->brushBitmap.width, x1 % physDev->brushBitmap.width);
 291 }
 292
 293 /***********************************************************************
 294  *           DIBDRV_SelectPen
 295  */
 296 HPEN DIBDRV_SelectPen( DIBDRVPHYSDEV *physDev, HPEN hpen )
 297 {
 298     HPEN res;
 299     LOGPEN logpen;
 300
 301     MAYBE(TRACE("physDev:%p, hpen:%p\n", physDev, hpen));
 302
 303     if(physDev->hasDIB)
 304     {
 305         GetObjectW(hpen, sizeof(logpen), &logpen);
 306
 307         physDev->penColorref = logpen.lopnColor;
 308
 309         if(physDev->physBitmap.bitCount == 1)
 310             FixupFgColors1(physDev);
 311         else
 312             physDev->penColor = physDev->physBitmap.funcs->ColorToPixel(&physDev->physBitmap, logpen.lopnColor);
 313
 314         _DIBDRV_CalcAndXorMasks(GetROP2(physDev->hdc), physDev->penColor, &physDev->penAnd, &physDev->penXor);
 315
 316         switch(logpen.lopnStyle)
 317         {
 318             default:
 319                 ONCE(FIXME("Unhandled pen style %d\n", logpen.lopnStyle));
 320                 /* fall through */
 321             case PS_SOLID:
 322                 physDev->penHLine = SolidPenHLine;
 323                 physDev->penVLine = SolidPenVline;
 324                 physDev->penLine  = SolidPenLine;
 325                 physDev->penPattern = NULL;
 326                 break;
 327
 328             case PS_DASH:
 329             case PS_DOT:
 330             case PS_DASHDOT:
 331             case PS_DASHDOTDOT:
 332                 physDev->penHLine = DashedPenHLine;
 333                 physDev->penVLine = DashedPenVLine;
 334                 physDev->penLine  = DashedPenLine;
 335                 physDev->penPattern = &dashPatterns[logpen.lopnStyle - PS_DASH];
 336                 _DIBDRV_ResetDashOrigin(physDev);
 337                 break;
 338         }
 339         res = hpen;
 340     }
 341     else
 342     {
 343         /* DDB selected in, use X11 driver */
 344         res = _DIBDRV_GetDisplayDriver()->pSelectPen(physDev->X11PhysDev, hpen);
 345     }
 346     return res;
 347 }
 348
 349 /***********************************************************************
 350  *           DIBDRV_SetDCPenColor
 351  */
 352 COLORREF DIBDRV_SetDCPenColor( DIBDRVPHYSDEV *physDev, COLORREF crColor )
 353 {
 354     COLORREF res;
 355
 356     MAYBE(TRACE("physDev:%p, crColor:%x\n", physDev, crColor));
 357
 358     if(physDev->hasDIB)
 359     {
 360         /* DIB section selected in, use DIB Engine */
 361         ONCE(FIXME("STUB\n"));
 362         res = crColor;
 363     }
 364     else
 365     {
 366         /* DDB selected in, use X11 driver */
 367         res = _DIBDRV_GetDisplayDriver()->pSetDCPenColor(physDev->X11PhysDev, crColor);
 368     }
 369     return res;
 370 }
 371
 372 /***********************************************************************
 373  *           DIBDRV_SelectBrush
 374  */
 375 HBRUSH DIBDRV_SelectBrush( DIBDRVPHYSDEV *physDev, HBRUSH hbrush )
 376 {
 377     HBRUSH res = hbrush;
 378     LOGBRUSH logbrush;
 379
 380
 381     MAYBE(TRACE("physDev:%p, hbrush:%p\n", physDev, hbrush));
 382
 383     if(physDev->hasDIB)
 384     {
 385         GetObjectW(hbrush, sizeof(logbrush), &logbrush);
 386
 387         /* frees any currently selected DIB brush and cache */
 388         _DIBDRVBITMAP_Free(&physDev->brushBitmap);
 389         _DIBDRVBITMAP_Free(&physDev->brushBmpCache);
 390         if(physDev->brushAnds)
 391         {
 392             HeapFree(GetProcessHeap(), 0, physDev->brushAnds);
 393             HeapFree(GetProcessHeap(), 0, physDev->brushXors);
 394         }
 395         physDev->brushAnds = NULL;
 396         physDev->brushXors = NULL;
 397
 398         switch (logbrush.lbStyle)
 399         {
 400             default:
 401                 FIXME("Unhandled brush style %d\n", logbrush.lbStyle);
 402                 physDev->brushColorref = 0;
 403                 goto solid;
 404
 405             case BS_SOLID:
 406                 physDev->brushColorref = logbrush.lbColor;
 407     solid:
 408                 MAYBE(TRACE("SOLID Pattern -- color is %x\n", physDev->brushColorref));
 409                 physDev->brushStyle = BS_SOLID;
 410                 physDev->brushHLine = SolidBrushHLine;
 411
 412                 if(physDev->physBitmap.bitCount == 1)
 413                     FixupFgColors1(physDev);
 414                 else
 415                     physDev->brushColor = physDev->physBitmap.funcs->ColorToPixel(&physDev->physBitmap, logbrush.lbColor);
 416
 417                 _DIBDRV_CalcAndXorMasks(physDev->rop2, physDev->brushColor,
 418                                            &physDev->brushAnd, &physDev->brushXor);
 419
 420                 /* set the physDev brush style */
 421                 physDev->brushStyle = BS_SOLID;
 422                 physDev->isBrushBitmap = FALSE;
 423
 424                 break;
 425
 426             case BS_DIBPATTERN8X8:
 427             case BS_DIBPATTERN:
 428             {
 429                 DIBDRVBITMAP src;
 430                 BITMAPINFO *bmi;
 431
 432                 FIXME("DIB Pattern\n");
 433
 434                 /* if no DIB selected in, fallback to null brush */
 435                 if(!physDev->physBitmap.bits)
 436                 {
 437                     physDev->brushColorref = 0;
 438                     goto solid;
 439                 }
 440
 441                 /* gets brush DIB's pointer */
 442                 bmi = GlobalLock16(logbrush.lbHatch);
 443
 444                 /* initializes a temporary DIB with brush's one */
 445                 if(!_DIBDRVBITMAP_InitFromBitmapinfo(&src, bmi))
 446                 {
 447                     ERR("Failed to initialize brush DIB\n");
 448                     res = 0;
 449                     goto err;
 450                 }
 451
 452                 /* converts brush bitmap to match currently selected one's format */
 453                 if(!_DIBDRVBITMAP_Convert(&physDev->brushBitmap, &src, &physDev->physBitmap))
 454                 {
 455                     ERR("Failed to convert brush DIB\n");
 456                     _DIBDRVBITMAP_Free(&src);
 457                     res = 0;
 458                     goto err;
 459                 }
 460
 461                 /* frees temporary DIB's data */
 462                 _DIBDRVBITMAP_Free(&src);
 463
 464                 /* use DIB pattern for brush lines */
 465                 physDev->brushHLine = PatternBrushHLine;
 466
 467     err:
 468                 /* frees brush's DIB pointer */
 469                 GlobalUnlock16(logbrush.lbHatch);
 470
 471                 break;
 472             }
 473             case BS_DIBPATTERNPT:
 474                 FIXME("BS_DIBPATTERNPT not supported\n");
 475                 physDev->brushColorref = 0;
 476                 goto solid;
 477
 478             case BS_HATCHED:
 479                 FIXME("BS_HATCHED not supported\n");
 480                 physDev->brushColorref = 0;
 481                 goto solid;
 482
 483             case BS_NULL:
 484             {
 485                 MAYBE(TRACE("NULL Pattern\n"));
 486                 physDev->brushColorref = 0;
 487                 goto solid;
 488             }
 489
 490             case BS_PATTERN:
 491             case BS_PATTERN8X8:
 492                 FIXME("BS_PATTERN not supported\n");
 493                 physDev->brushColorref = 0;
 494                 goto solid;
 495         }
 496
 497         MAYBE(TRACE("END\n"));
 498         return hbrush;
 499     }
 500     else
 501     {
 502         /* DDB selected in, use X11 driver */
 503
 504         /* we must check if a DIB pattern is requested */
 505         GetObjectW(hbrush, sizeof(logbrush), &logbrush);
 506         switch (logbrush.lbStyle)
 507         {
 508             case BS_DIBPATTERN8X8:
 509             case BS_DIBPATTERN:
 510             case BS_DIBPATTERNPT:
 511                 FIXME("A DIB pattern was requested for a DDB bitmap\n");
 512                 break;
 513
 514             case BS_SOLID:
 515             case BS_HATCHED:
 516             case BS_NULL:
 517             case BS_PATTERN:
 518             case BS_PATTERN8X8:
 519             default:
 520                 break;
 521         }
 522         res = _DIBDRV_GetDisplayDriver()->pSelectBrush(physDev->X11PhysDev, hbrush);
 523     }
 524     return res;
 525 }
 526
 527 /***********************************************************************
 528  *           DIBDRV_SetDCBrushColor
 529  */
 530 COLORREF DIBDRV_SetDCBrushColor( DIBDRVPHYSDEV *physDev, COLORREF crColor )
 531 {
 532     COLORREF res;
 533
 534     MAYBE(TRACE("physDev:%p, crColor:%x\n", physDev, crColor));
 535
 536     if(physDev->hasDIB)
 537     {
 538         /* DIB section selected in, use DIB Engine */
 539         ONCE(FIXME("STUB\n"));
 540         res = crColor;
 541     }
 542     else
 543     {
 544         /* DDB selected in, use X11 driver */
 545         res = _DIBDRV_GetDisplayDriver()->pSetDCBrushColor(physDev->X11PhysDev, crColor);
 546     }
 547     return res;
 548 }
 549
 550 /***********************************************************************
 551  *           SetROP2
 552  */
 553 int DIBDRV_SetROP2( DIBDRVPHYSDEV *physDev, int rop )
 554 {
 555     int prevRop;
 556
 557     MAYBE(TRACE("physDev:%p, rop:%x\n", physDev, rop));
 558
 559     prevRop = physDev->rop2;
 560     physDev->rop2 = rop;
 561
 562     if(prevRop != rop)
 563     {
 564         _DIBDRV_CalcAndXorMasks(rop, physDev->penColor,   &physDev->penAnd,   &physDev->penXor);
 565         _DIBDRV_CalcAndXorMasks(rop, physDev->brushColor, &physDev->brushAnd, &physDev->brushXor);
 566         _DIBDRV_CalcAndXorMasks(rop, physDev->backgroundColor, &physDev->backgroundAnd, &physDev->backgroundXor);
 567         if(physDev->brushAnds)
 568         {
 569             HeapFree(GetProcessHeap(), 0, physDev->brushAnds);
 570             HeapFree(GetProcessHeap(), 0, physDev->brushXors);
 571         }
 572         physDev->brushAnds = NULL;
 573         physDev->brushXors = NULL;
 574     }
 575
 576     return prevRop;
 577     /* note : X11 Driver don't have SetROP2() function exported */
 578 }
 579
 580 /***********************************************************************
 581  *           SetBkColor
 582  */
 583 COLORREF DIBDRV_SetBkColor( DIBDRVPHYSDEV *physDev, COLORREF color )
 584 {
 585     COLORREF res;
 586
 587     MAYBE(TRACE("physDev:%p, color:%x\n", physDev, color));
 588
 589     if(physDev->hasDIB)
 590     {
 591         physDev->backgroundColor = physDev->physBitmap.funcs->ColorToPixel(&physDev->physBitmap, color);
 592
 593         if(physDev->physBitmap.bitCount == 1)
 594             FixupFgColors1(physDev);
 595         _DIBDRV_CalcAndXorMasks(physDev->rop2, physDev->backgroundColor, &physDev->backgroundAnd, &physDev->backgroundXor);
 596
 597         res = TRUE;
 598     }
 599     else
 600     {
 601         /* DDB selected in, use X11 driver */
 602         res = _DIBDRV_GetDisplayDriver()->pSetBkColor(physDev->X11PhysDev, color);
 603     }
 604     return res;
 605 }