2 * ReactOS W32 Subsystem
3 * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
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.
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.
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.
20 #undef WIN32_LEAN_AND_MEAN
23 #include <win32k/bitmaps.h>
24 #include <win32k/debug.h>
26 #include <ddk/winddi.h>
27 #include "../eng/objects.h"
31 DIB_32BPP_PutPixel(PSURFOBJ SurfObj, LONG x, LONG y, ULONG c)
33 PBYTE byteaddr = SurfObj->pvScan0 + y * SurfObj->lDelta;
34 PDWORD addr = (PDWORD)byteaddr + x;
40 DIB_32BPP_GetPixel(PSURFOBJ SurfObj, LONG x, LONG y)
42 PBYTE byteaddr = SurfObj->pvScan0 + y * SurfObj->lDelta;
43 PDWORD addr = (PDWORD)byteaddr + x;
45 return (ULONG)(*addr);
49 DIB_32BPP_HLine(PSURFOBJ SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
51 PBYTE byteaddr = SurfObj->pvScan0 + y * SurfObj->lDelta;
52 PDWORD addr = (PDWORD)byteaddr + x1;
63 DIB_32BPP_VLine(PSURFOBJ SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
65 PBYTE byteaddr = SurfObj->pvScan0 + y1 * SurfObj->lDelta;
66 PDWORD addr = (PDWORD)byteaddr + x;
67 LONG lDelta = SurfObj->lDelta / sizeof(DWORD);
69 byteaddr = (PBYTE)addr;
78 DIB_32BPP_BitBltSrcCopy(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
79 SURFGDI *DestGDI, SURFGDI *SourceGDI,
80 PRECTL DestRect, POINTL *SourcePoint,
81 XLATEOBJ *ColorTranslation)
83 LONG i, j, sx, sy, xColor, f1;
84 PBYTE SourceBits, DestBits, SourceLine, DestLine;
85 PBYTE SourceBits_4BPP, SourceLine_4BPP;
87 DestBits = DestSurf->pvScan0 + (DestRect->top * DestSurf->lDelta) + 4 * DestRect->left;
89 switch(SourceGDI->BitsPerPixel)
95 for (j=DestRect->top; j<DestRect->bottom; j++)
98 for (i=DestRect->left; i<DestRect->right; i++)
100 if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
102 DIB_32BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, 0));
104 DIB_32BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, 1));
113 SourceBits_4BPP = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + (SourcePoint->x >> 1);
115 for (j=DestRect->top; j<DestRect->bottom; j++)
117 SourceLine_4BPP = SourceBits_4BPP;
121 for (i=DestRect->left; i<DestRect->right; i++)
123 xColor = XLATEOBJ_iXlate(ColorTranslation,
124 (*SourceLine_4BPP & altnotmask[sx&1]) >> (4 * (1-(sx & 1))));
125 DIB_32BPP_PutPixel(DestSurf, i, j, xColor);
126 if(f1 == 1) { SourceLine_4BPP++; f1 = 0; } else { f1 = 1; }
130 SourceBits_4BPP += SourceSurf->lDelta;
135 SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + SourcePoint->x;
138 for (j = DestRect->top; j < DestRect->bottom; j++)
140 SourceBits = SourceLine;
143 for (i = DestRect->left; i < DestRect->right; i++)
145 xColor = *SourceBits;
146 *((PDWORD) DestBits) = (DWORD)XLATEOBJ_iXlate(ColorTranslation, xColor);
151 SourceLine += SourceSurf->lDelta;
152 DestLine += DestSurf->lDelta;
157 SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 2 * SourcePoint->x;
160 for (j = DestRect->top; j < DestRect->bottom; j++)
162 SourceBits = SourceLine;
165 for (i = DestRect->left; i < DestRect->right; i++)
167 xColor = *((PWORD) SourceBits);
168 *((PDWORD) DestBits) = (DWORD)XLATEOBJ_iXlate(ColorTranslation, xColor);
173 SourceLine += SourceSurf->lDelta;
174 DestLine += DestSurf->lDelta;
179 SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 3 * SourcePoint->x;
182 for (j = DestRect->top; j < DestRect->bottom; j++)
184 SourceBits = SourceLine;
187 for (i = DestRect->left; i < DestRect->right; i++)
189 xColor = (*(SourceBits + 2) << 0x10) +
190 (*(SourceBits + 1) << 0x08) +
192 *((PDWORD)DestBits) = (DWORD)XLATEOBJ_iXlate(ColorTranslation, xColor);
197 SourceLine += SourceSurf->lDelta;
198 DestLine += DestSurf->lDelta;
203 if (NULL == ColorTranslation || 0 != (ColorTranslation->flXlate & XO_TRIVIAL))
205 if (DestRect->top < SourcePoint->y)
207 SourceBits = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 4 * SourcePoint->x;
208 for (j = DestRect->top; j < DestRect->bottom; j++)
210 RtlMoveMemory(DestBits, SourceBits, 4 * (DestRect->right - DestRect->left));
211 SourceBits += SourceSurf->lDelta;
212 DestBits += DestSurf->lDelta;
217 SourceBits = SourceSurf->pvScan0 + ((SourcePoint->y + DestRect->bottom - DestRect->top - 1) * SourceSurf->lDelta) + 4 * SourcePoint->x;
218 DestBits = DestSurf->pvScan0 + ((DestRect->bottom - 1) * DestSurf->lDelta) + 4 * DestRect->left;
219 for (j = DestRect->bottom - 1; DestRect->top <= j; j--)
221 RtlMoveMemory(DestBits, SourceBits, 4 * (DestRect->right - DestRect->left));
222 SourceBits -= SourceSurf->lDelta;
223 DestBits -= DestSurf->lDelta;
230 DPRINT1("DIB_32BPP_Bitblt: Unhandled ColorTranslation for 32 -> 32 copy");
236 DbgPrint("DIB_32BPP_Bitblt: Unhandled Source BPP: %u\n", SourceGDI->BitsPerPixel);
244 DIB_32BPP_BitBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
245 SURFGDI *DestGDI, SURFGDI *SourceGDI,
246 PRECTL DestRect, POINTL *SourcePoint,
247 PBRUSHOBJ Brush, PPOINTL BrushOrigin,
248 XLATEOBJ *ColorTranslation, ULONG Rop4)
250 LONG i, j, k, sx, sy;
251 ULONG Dest, Source, Pattern;
253 BOOL UsesSource = ((Rop4 & 0xCC0000) >> 2) != (Rop4 & 0x330000);
254 BOOL UsesPattern = ((Rop4 & 0xF00000) >> 4) != (Rop4 & 0x0F0000);
258 return(DIB_32BPP_BitBltSrcCopy(DestSurf, SourceSurf, DestGDI, SourceGDI, DestRect, SourcePoint, ColorTranslation));
264 for (j=DestRect->top; j<DestRect->bottom; j++)
267 DestBits = (PULONG)(DestSurf->pvScan0 + 4 * DestRect->left + j * DestSurf->lDelta);
268 for (i=DestRect->left; i<DestRect->right; i++, DestBits++)
273 Source = DIB_GetSource(SourceSurf, SourceGDI, sx + i + k, sy, ColorTranslation);
277 /* FIXME: No support for pattern brushes. */
278 Pattern = Brush->iSolidColor;
280 *DestBits = DIB_DoRop(Rop4, Dest, Source, Pattern);