reactos/subsys/win32k/dib/dib4bpp.c

   1 /*
   2  *  ReactOS W32 Subsystem
   3  *  Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /* $Id$ */
  20 #include <w32k.h>
  21
  22 VOID
  23 DIB_4BPP_PutPixel(SURFOBJ *SurfObj, LONG x, LONG y, ULONG c)
  24 {
  25    PBYTE addr = SurfObj->pvScan0 + (x>>1) + y * SurfObj->lDelta;
  26    *addr = (*addr & notmask[x&1]) | (c << ((1-(x&1))<<2));
  27 }
  28
  29 ULONG
  30 DIB_4BPP_GetPixel(SURFOBJ *SurfObj, LONG x, LONG y)
  31 {
  32    PBYTE addr = SurfObj->pvScan0 + (x>>1) + y * SurfObj->lDelta;
  33    return (*addr >> ((1-(x&1))<<2)) & 0x0f;
  34 }
  35
  36 VOID
  37 DIB_4BPP_HLine(SURFOBJ *SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
  38 {
  39   PBYTE  addr = SurfObj->pvScan0 + (x1>>1) + y * SurfObj->lDelta;
  40   LONG  cx = x1;
  41
  42   while(cx < x2) {
  43     *addr = (*addr & notmask[x1&1]) | (c << ((1-(x1&1))<<2));
  44     if((++x1 & 1) == 0)
  45       ++addr;
  46     ++cx;
  47   }
  48 }
  49
  50 VOID
  51 DIB_4BPP_VLine(SURFOBJ *SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
  52 {
  53   PBYTE  addr = SurfObj->pvScan0;
  54   int  lDelta = SurfObj->lDelta;
  55
  56   addr += (x>>1) + y1 * lDelta;
  57   while(y1++ < y2) {
  58     *addr = (*addr & notmask[x&1]) | (c << ((1-(x&1))<<2));
  59     addr += lDelta;
  60   }
  61 }
  62
  63 BOOLEAN
  64 DIB_4BPP_BitBltSrcCopy(PBLTINFO BltInfo)
  65 {
  66   LONG     i, j, sx, sy, f2, xColor;
  67   PBYTE    SourceBits_24BPP, SourceLine_24BPP;
  68   PBYTE    DestBits, DestLine, SourceBits_8BPP, SourceLine_8BPP;
  69   PBYTE    SourceBits, SourceLine;
  70
  71   DestBits = BltInfo->DestSurface->pvScan0 +
  72              (BltInfo->DestRect.left >> 1) +
  73              BltInfo->DestRect.top * BltInfo->DestSurface->lDelta;
  74
  75   switch (BltInfo->SourceSurface->iBitmapFormat)
  76   {
  77     case BMF_1BPP:
  78       sx = BltInfo->SourcePoint.x;
  79       sy = BltInfo->SourcePoint.y;
  80
  81       for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
  82       {
  83         sx = BltInfo->SourcePoint.x;
  84         for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
  85         {
  86           if(DIB_1BPP_GetPixel(BltInfo->SourceSurface, sx, sy) == 0)
  87           {
  88             DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, 0));
  89           } else {
  90             DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, 1));
  91           }
  92           sx++;
  93         }
  94         sy++;
  95       }
  96       break;
  97
  98     case BMF_4BPP:
  99       sy = BltInfo->SourcePoint.y;
 100
 101       for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
 102       {
 103         sx = BltInfo->SourcePoint.x;
 104
 105         for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
 106         {
 107           if (NULL != BltInfo->XlateSourceToDest)
 108           {
 109             DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, DIB_4BPP_GetPixel(BltInfo->SourceSurface, sx, sy)));
 110           }
 111           else
 112           {
 113             DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j, DIB_4BPP_GetPixel(BltInfo->SourceSurface, sx, sy));
 114           }
 115           sx++;
 116         }
 117         sy++;
 118       }
 119       break;
 120
 121     case BMF_8BPP:
 122       SourceBits_8BPP = BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + BltInfo->SourcePoint.x;
 123
 124       for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
 125       {
 126         SourceLine_8BPP = SourceBits_8BPP;
 127         DestLine = DestBits;
 128         f2 = BltInfo->DestRect.left & 1;
 129
 130         for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
 131         {
 132           *DestLine = (*DestLine & notmask[f2]) |
 133             ((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, *SourceLine_8BPP)) << ((4 * (1 - f2))));
 134           if(f2 == 1) { DestLine++; f2 = 0; } else { f2 = 1; }
 135           SourceLine_8BPP++;
 136         }
 137
 138         SourceBits_8BPP += BltInfo->SourceSurface->lDelta;
 139         DestBits += BltInfo->DestSurface->lDelta;
 140       }
 141       break;
 142
 143     case BMF_16BPP:
 144       SourceLine = BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + 2 * BltInfo->SourcePoint.x;
 145       DestLine = DestBits;
 146
 147       for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
 148       {
 149         SourceBits = SourceLine;
 150         DestBits = DestLine;
 151         f2 = BltInfo->DestRect.left & 1;
 152
 153         for (i = BltInfo->DestRect.left; i < BltInfo->DestRect.right; i++)
 154         {
 155           xColor = *((PWORD) SourceBits);
 156           *DestBits = (*DestBits & notmask[f2]) |
 157             ((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor)) << ((4 * (1 - f2))));
 158           if(f2 == 1) { DestBits++; f2 = 0; } else { f2 = 1; }
 159           SourceBits += 2;
 160         }
 161
 162         SourceLine += BltInfo->SourceSurface->lDelta;
 163         DestLine += BltInfo->DestSurface->lDelta;
 164       }
 165       break;
 166
 167     case BMF_24BPP:
 168       SourceBits_24BPP = BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + BltInfo->SourcePoint.x * 3;
 169
 170       for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
 171       {
 172         SourceLine_24BPP = SourceBits_24BPP;
 173         DestLine = DestBits;
 174         f2 = BltInfo->DestRect.left & 1;
 175
 176         for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
 177         {
 178           xColor = (*(SourceLine_24BPP + 2) << 0x10) +
 179              (*(SourceLine_24BPP + 1) << 0x08) +
 180              (*(SourceLine_24BPP));
 181           *DestLine = (*DestLine & notmask[f2]) |
 182             ((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor)) << ((4 * (1 - f2))));
 183           if(f2 == 1) { DestLine++; f2 = 0; } else { f2 = 1; }
 184           SourceLine_24BPP+=3;
 185         }
 186
 187         SourceBits_24BPP += BltInfo->SourceSurface->lDelta;
 188         DestBits += BltInfo->DestSurface->lDelta;
 189       }
 190       break;
 191
 192     case BMF_32BPP:
 193       SourceLine = BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + 4 * BltInfo->SourcePoint.x;
 194       DestLine = DestBits;
 195
 196       for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
 197       {
 198         SourceBits = SourceLine;
 199         DestBits = DestLine;
 200         f2 = BltInfo->DestRect.left & 1;
 201
 202         for (i = BltInfo->DestRect.left; i < BltInfo->DestRect.right; i++)
 203         {
 204           xColor = *((PDWORD) SourceBits);
 205           *DestBits = (*DestBits & notmask[f2]) |
 206             ((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor)) << ((4 * (1 - f2))));
 207           if(f2 == 1) { DestBits++; f2 = 0; } else { f2 = 1; }
 208           SourceBits += 4;
 209         }
 210
 211         SourceLine += BltInfo->SourceSurface->lDelta;
 212         DestLine += BltInfo->DestSurface->lDelta;
 213       }
 214       break;
 215
 216     default:
 217       DbgPrint("DIB_4BPP_Bitblt: Unhandled Source BPP: %u\n", BitsPerFormat(BltInfo->SourceSurface->iBitmapFormat));
 218       return FALSE;
 219   }
 220   return(TRUE);
 221 }
 222
 223 BOOLEAN
 224 DIB_4BPP_BitBlt(PBLTINFO BltInfo)
 225 {
 226    ULONG DestX, DestY;
 227    ULONG SourceX, SourceY;
 228    ULONG PatternY = 0;
 229    ULONG Dest, Source = 0, Pattern = 0;
 230    BOOLEAN UsesSource;
 231    BOOLEAN UsesPattern;
 232    PULONG DestBits;
 233    LONG RoundedRight;
 234    static const ULONG ExpandSolidColor[16] =
 235    {
 236       0x00000000 /* 0 */,
 237       0x11111111 /* 1 */,
 238       0x22222222 /* 2 */,
 239       0x33333333 /* 3 */,
 240       0x44444444 /* 4 */,
 241       0x55555555 /* 5 */,
 242       0x66666666 /* 6 */,
 243       0x77777777 /* 7 */,
 244       0x88888888 /* 8 */,
 245       0x99999999 /* 9 */,
 246       0xAAAAAAAA /* 10 */,
 247       0xBBBBBBBB /* 11 */,
 248       0xCCCCCCCC /* 12 */,
 249       0xDDDDDDDD /* 13 */,
 250       0xEEEEEEEE /* 14 */,
 251       0xFFFFFFFF /* 15 */,
 252    };
 253
 254    UsesSource = ROP_USES_SOURCE(BltInfo->Rop4);
 255    UsesPattern = ROP_USES_PATTERN(BltInfo->Rop4);
 256
 257    SourceY = BltInfo->SourcePoint.y;
 258    RoundedRight = BltInfo->DestRect.right -
 259                   ((BltInfo->DestRect.right - BltInfo->DestRect.left) & 0x7);
 260
 261    if (UsesPattern)
 262    {
 263       if (BltInfo->PatternSurface)
 264       {
 265          PatternY = (BltInfo->DestRect.top + BltInfo->BrushOrigin.y) %
 266                     BltInfo->PatternSurface->sizlBitmap.cy;
 267       }
 268       else
 269       {
 270          Pattern = ExpandSolidColor[BltInfo->Brush->iSolidColor];
 271       }
 272    }
 273
 274    for (DestY = BltInfo->DestRect.top; DestY < BltInfo->DestRect.bottom; DestY++)
 275    {
 276       DestBits = (PULONG)(
 277          BltInfo->DestSurface->pvScan0 +
 278          (BltInfo->DestRect.left >> 1) +
 279          DestY * BltInfo->DestSurface->lDelta);
 280       SourceX = BltInfo->SourcePoint.x;
 281       DestX = BltInfo->DestRect.left;
 282
 283       if (DestX & 0x1)
 284       {
 285          Dest = DIB_4BPP_GetPixel(BltInfo->DestSurface, DestX, DestY);
 286
 287          if (UsesSource)
 288          {
 289             Source = DIB_GetSource(BltInfo->SourceSurface, SourceX, SourceY, BltInfo->XlateSourceToDest);
 290          }
 291
 292          if (BltInfo->PatternSurface)
 293          {
 294             Pattern = DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest);
 295          }
 296
 297          DIB_4BPP_PutPixel(BltInfo->DestSurface, DestX, DestY, DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern) & 0xF);
 298
 299          DestX++;
 300          SourceX++;
 301          DestBits = (PULONG)((ULONG_PTR)DestBits + 1);
 302       }
 303
 304       for (; DestX < RoundedRight; DestX += 8, SourceX += 8, DestBits++)
 305       {
 306          Dest = *DestBits;
 307          if (UsesSource)
 308          {
 309             Source =
 310                (DIB_GetSource(BltInfo->SourceSurface, SourceX + 1, SourceY, BltInfo->XlateSourceToDest)) |
 311                (DIB_GetSource(BltInfo->SourceSurface, SourceX + 0, SourceY, BltInfo->XlateSourceToDest) << 4) |
 312                (DIB_GetSource(BltInfo->SourceSurface, SourceX + 3, SourceY, BltInfo->XlateSourceToDest) << 8) |
 313                (DIB_GetSource(BltInfo->SourceSurface, SourceX + 2, SourceY, BltInfo->XlateSourceToDest) << 12) |
 314                (DIB_GetSource(BltInfo->SourceSurface, SourceX + 5, SourceY, BltInfo->XlateSourceToDest) << 16) |
 315                (DIB_GetSource(BltInfo->SourceSurface, SourceX + 4, SourceY, BltInfo->XlateSourceToDest) << 20) |
 316                (DIB_GetSource(BltInfo->SourceSurface, SourceX + 7, SourceY, BltInfo->XlateSourceToDest) << 24) |
 317                (DIB_GetSource(BltInfo->SourceSurface, SourceX + 6, SourceY, BltInfo->XlateSourceToDest) << 28);
 318          }
 319          if (BltInfo->PatternSurface)
 320          {
 321             Pattern = DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 1) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest);
 322             Pattern |= DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 0) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest) << 4;
 323             Pattern |= DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 3) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest) << 8;
 324             Pattern |= DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 2) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest) << 12;
 325             Pattern |= DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 5) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest) << 16;
 326             Pattern |= DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 4) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest) << 20;
 327             Pattern |= DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 7) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest) << 24;
 328             Pattern |= DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 6) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest) << 28;
 329          }
 330          *DestBits = DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern);
 331       }
 332
 333       /* Process the rest of pixel on the line */
 334       for (; DestX < BltInfo->DestRect.right; DestX++, SourceX++)
 335       {
 336          Dest = DIB_4BPP_GetPixel(BltInfo->DestSurface, DestX, DestY);
 337          if (UsesSource)
 338          {
 339             Source = DIB_GetSource(BltInfo->SourceSurface, SourceX, SourceY, BltInfo->XlateSourceToDest);
 340          }
 341          if (BltInfo->PatternSurface)
 342          {
 343             Pattern = DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest);
 344          }
 345          DIB_4BPP_PutPixel(BltInfo->DestSurface, DestX, DestY, DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern) & 0xF);
 346       }
 347
 348       SourceY++;
 349       if (BltInfo->PatternSurface)
 350       {
 351          PatternY++;
 352          PatternY %= BltInfo->PatternSurface->sizlBitmap.cy;
 353       }
 354    }
 355
 356    return TRUE;
 357 }
 358
 359 BOOLEAN DIB_4BPP_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
 360                             RECTL* DestRect, RECTL *SourceRect,
 361                             POINTL* MaskOrigin, POINTL BrushOrigin,
 362                             CLIPOBJ *ClipRegion, XLATEOBJ *ColorTranslation,
 363                             ULONG Mode)
 364 {
 365   DbgPrint("DIB_4BPP_StretchBlt: Source BPP: %u\n", BitsPerFormat(SourceSurf->iBitmapFormat));
 366   return FALSE;
 367 }
 368
 369 BOOLEAN
 370 DIB_4BPP_TransparentBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
 371                         RECTL*  DestRect,  POINTL  *SourcePoint,
 372                         XLATEOBJ *ColorTranslation, ULONG iTransColor)
 373 {
 374   return FALSE;
 375 }
 376
 377 /* EOF */