subsys/win32k/dib/dib1bpp.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
  21 #undef WIN32_LEAN_AND_MEAN
  22 #include <windows.h>
  23 #include <stdlib.h>
  24 #include <win32k/bitmaps.h>
  25 #include <win32k/debug.h>
  26 #include <debug.h>
  27 #include <ddk/winddi.h>
  28 #include "../eng/objects.h"
  29 #include "dib.h"
  30
  31 VOID
  32 DIB_1BPP_PutPixel(PSURFOBJ SurfObj, LONG x, LONG y, ULONG c)
  33 {
  34   PBYTE addr = SurfObj->pvScan0;
  35
  36   addr += y * SurfObj->lDelta + (x >> 3);
  37
  38   if(c == 0)
  39   {
  40     *addr = (*addr ^ mask1Bpp[x % 8]);
  41   }
  42     else
  43   {
  44     *addr = (*addr | mask1Bpp[x % 8]);
  45   }
  46 }
  47
  48 ULONG
  49 DIB_1BPP_GetPixel(PSURFOBJ SurfObj, LONG x, LONG y)
  50 {
  51   PBYTE addr = SurfObj->pvScan0 + y * SurfObj->lDelta + (x >> 3);
  52
  53   return (*addr & mask1Bpp[x % 8] ? 1 : 0);
  54 }
  55
  56 VOID
  57 DIB_1BPP_HLine(PSURFOBJ SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
  58 {
  59   while(x1 < x2) {
  60     DIB_1BPP_PutPixel(SurfObj, x1, y, c);
  61     x1++;
  62   }
  63 }
  64
  65 VOID
  66 DIB_1BPP_VLine(PSURFOBJ SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
  67 {
  68   while(y1 < y2) {
  69     DIB_1BPP_PutPixel(SurfObj, x, y1, c);
  70     y1++;
  71   }
  72 }
  73
  74 BOOLEAN
  75 DIB_1BPP_BitBltSrcCopy(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
  76                        SURFGDI *DestGDI,  SURFGDI *SourceGDI,
  77                        PRECTL  DestRect,  POINTL  *SourcePoint,
  78                        XLATEOBJ *ColorTranslation)
  79 {
  80   LONG    i, j, sx, sy = SourcePoint->y;
  81
  82   switch(SourceGDI->BitsPerPixel)
  83   {
  84     case 1:
  85       if (DestRect->top < SourcePoint->y)
  86         {
  87           for (j = DestRect->top; j < DestRect->bottom; j++)
  88             {
  89               if (DestRect->left < SourcePoint->x)
  90                 {
  91                   sx = SourcePoint->x;
  92                   for (i=DestRect->left; i<DestRect->right; i++)
  93                     {
  94                       if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
  95                         {
  96                           DIB_1BPP_PutPixel(DestSurf, i, j, 0);
  97                         }
  98                       else
  99                         {
 100                           DIB_1BPP_PutPixel(DestSurf, i, j, 1);
 101                         }
 102                       sx++;
 103                     }
 104                 }
 105               else
 106                 {
 107                   sx = SourcePoint->x + DestRect->right - DestRect->left - 1;
 108                   for (i = DestRect->right - 1; DestRect->left <= i; i--)
 109                     {
 110                       if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
 111                         {
 112                           DIB_1BPP_PutPixel(DestSurf, i, j, 0);
 113                         }
 114                       else
 115                         {
 116                           DIB_1BPP_PutPixel(DestSurf, i, j, 1);
 117                         }
 118                       sx--;
 119                     }
 120                 }
 121               sy++;
 122             }
 123         }
 124       else
 125         {
 126           sy = SourcePoint->y + DestRect->bottom - DestRect->top - 1;
 127           for (j = DestRect->bottom - 1; DestRect->top <= j; j--)
 128             {
 129               if (DestRect->left < SourcePoint->x)
 130                 {
 131                   sx = SourcePoint->x;
 132                   for (i=DestRect->left; i<DestRect->right; i++)
 133                     {
 134                       if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
 135                         {
 136                           DIB_1BPP_PutPixel(DestSurf, i, j, 0);
 137                         }
 138                       else
 139                         {
 140                           DIB_1BPP_PutPixel(DestSurf, i, j, 1);
 141                         }
 142                       sx++;
 143                     }
 144                 }
 145               else
 146                 {
 147                   sx = SourcePoint->x + DestRect->right - DestRect->left - 1;
 148                   for (i = DestRect->right - 1; DestRect->left <= i; i--)
 149                     {
 150                       if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
 151                         {
 152                           DIB_1BPP_PutPixel(DestSurf, i, j, 0);
 153                         }
 154                       else
 155                         {
 156                           DIB_1BPP_PutPixel(DestSurf, i, j, 1);
 157                         }
 158                       sx--;
 159                     }
 160                 }
 161               sy--;
 162             }
 163         }
 164       break;
 165
 166     case 4:
 167       for (j=DestRect->top; j<DestRect->bottom; j++)
 168       {
 169         sx = SourcePoint->x;
 170         for (i=DestRect->left; i<DestRect->right; i++)
 171         {
 172           if(XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy)) == 0)
 173           {
 174             DIB_1BPP_PutPixel(DestSurf, i, j, 0);
 175           } else {
 176             DIB_1BPP_PutPixel(DestSurf, i, j, 1);
 177           }
 178           sx++;
 179         }
 180         sy++;
 181       }
 182       break;
 183
 184     case 8:
 185       for (j=DestRect->top; j<DestRect->bottom; j++)
 186       {
 187         sx = SourcePoint->x;
 188         for (i=DestRect->left; i<DestRect->right; i++)
 189         {
 190           if(XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy)) == 0)
 191           {
 192             DIB_1BPP_PutPixel(DestSurf, i, j, 0);
 193           } else {
 194             DIB_1BPP_PutPixel(DestSurf, i, j, 1);
 195           }
 196           sx++;
 197         }
 198         sy++;
 199       }
 200       break;
 201
 202     case 16:
 203       for (j=DestRect->top; j<DestRect->bottom; j++)
 204       {
 205         sx = SourcePoint->x;
 206         for (i=DestRect->left; i<DestRect->right; i++)
 207         {
 208           if(XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy)) == 0)
 209           {
 210             DIB_1BPP_PutPixel(DestSurf, i, j, 0);
 211           } else {
 212             DIB_1BPP_PutPixel(DestSurf, i, j, 1);
 213           }
 214           sx++;
 215         }
 216         sy++;
 217       }
 218       break;
 219
 220     case 24:
 221       for (j=DestRect->top; j<DestRect->bottom; j++)
 222       {
 223         sx = SourcePoint->x;
 224         for (i=DestRect->left; i<DestRect->right; i++)
 225         {
 226           if(XLATEOBJ_iXlate(ColorTranslation, DIB_24BPP_GetPixel(SourceSurf, sx, sy)) == 0)
 227           {
 228             DIB_1BPP_PutPixel(DestSurf, i, j, 0);
 229           } else {
 230             DIB_1BPP_PutPixel(DestSurf, i, j, 1);
 231           }
 232           sx++;
 233         }
 234         sy++;
 235       }
 236       break;
 237
 238     case 32:
 239       for (j=DestRect->top; j<DestRect->bottom; j++)
 240       {
 241         sx = SourcePoint->x;
 242         for (i=DestRect->left; i<DestRect->right; i++)
 243         {
 244           if(XLATEOBJ_iXlate(ColorTranslation, DIB_32BPP_GetPixel(SourceSurf, sx, sy)) == 0)
 245           {
 246             DIB_1BPP_PutPixel(DestSurf, i, j, 0);
 247           } else {
 248             DIB_1BPP_PutPixel(DestSurf, i, j, 1);
 249           }
 250           sx++;
 251         }
 252         sy++;
 253       }
 254       break;
 255
 256     default:
 257       DbgPrint("DIB_1BPP_Bitblt: Unhandled Source BPP: %u\n", SourceGDI->BitsPerPixel);
 258       return FALSE;
 259   }
 260
 261   return TRUE;
 262 }
 263
 264 BOOLEAN
 265 DIB_1BPP_BitBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
 266                 SURFGDI *DestGDI,  SURFGDI *SourceGDI,
 267                 PRECTL  DestRect,  POINTL  *SourcePoint,
 268                 PBRUSHOBJ Brush, PPOINTL BrushOrigin,
 269                 XLATEOBJ *ColorTranslation, ULONG Rop4)
 270 {
 271   LONG     i, j, k, sx, sy;
 272   ULONG    Dest, Source, Pattern;
 273   PULONG   DestBits;
 274   BOOL     UsesSource = ((Rop4 & 0xCC0000) >> 2) != (Rop4 & 0x330000);
 275   BOOL     UsesPattern = ((Rop4 & 0xF00000) >> 4) != (Rop4 & 0x0F0000);
 276   LONG    RoundedRight = DestRect->right - (DestRect->right & 0x7);
 277
 278   if (Rop4 == SRCCOPY)
 279     {
 280       return(DIB_1BPP_BitBltSrcCopy(DestSurf, SourceSurf, DestGDI, SourceGDI, DestRect, SourcePoint, ColorTranslation));
 281     }
 282   else
 283     {
 284       sy = SourcePoint->y;
 285
 286       for (j=DestRect->top; j<DestRect->bottom; j++)
 287       {
 288         sx = SourcePoint->x;
 289         DestBits = (PULONG)(DestSurf->pvScan0 + (DestRect->left>>3) + j * DestSurf->lDelta);
 290         for (i=DestRect->left; i<RoundedRight; i+=32, DestBits++)
 291           {
 292             Dest = *DestBits;
 293             if (UsesSource)
 294               {
 295                 Source = 0;
 296                 for (k = 0; k < 32; k++)
 297                   {
 298                     Source |= (DIB_GetSource(SourceSurf, SourceGDI, sx + i + k, sy, ColorTranslation) << k);
 299                   }
 300               }
 301             if (UsesPattern)
 302               {
 303                 /* FIXME: No support for pattern brushes. */
 304                 Pattern = Brush->iSolidColor ? 0xFFFFFFFF : 0x00000000;
 305               }
 306             *DestBits = DIB_DoRop(Rop4, Dest, Source, Pattern);
 307           }
 308         if (i < DestRect->right)
 309           {
 310             Dest = *DestBits;
 311             for (; i < DestRect->right; i++)
 312               {
 313                 if (UsesSource)
 314                   {
 315                     Source = DIB_GetSource(SourceSurf, SourceGDI, sx + i, sy, ColorTranslation);
 316                   }
 317                 if (UsesPattern)
 318                   {
 319                     /* FIXME: No support for pattern brushes. */
 320                     Pattern = Brush->iSolidColor ? 0xFFFFFFFF : 0x00000000;
 321                   }
 322                 DIB_1BPP_PutPixel(DestSurf, i, j, DIB_DoRop(Rop4, Dest, Source, Pattern) & 0xF);
 323                 Dest >>= 1;
 324               }
 325           }
 326       }
 327     }
 328   return TRUE;
 329 }
 330
 331 /* EOF */