1 #undef WIN32_LEAN_AND_MEAN
4 #include <win32k/bitmaps.h>
5 #include <win32k/debug.h>
7 #include <ddk/winddi.h>
8 #include "../eng/objects.h"
11 VOID DIB_8BPP_PutPixel(PSURFOBJ SurfObj, LONG x, LONG y, ULONG c)
13 PBYTE byteaddr = SurfObj->pvScan0 + y * SurfObj->lDelta + x;
18 ULONG DIB_8BPP_GetPixel(PSURFOBJ SurfObj, LONG x, LONG y)
20 PBYTE byteaddr = SurfObj->pvScan0 + y * SurfObj->lDelta + x;
22 return (ULONG)(*byteaddr);
25 VOID DIB_8BPP_HLine(PSURFOBJ SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
27 PBYTE byteaddr = SurfObj->pvScan0 + y * SurfObj->lDelta;
28 PBYTE addr = byteaddr + x1;
38 VOID DIB_8BPP_VLine(PSURFOBJ SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
40 PBYTE byteaddr = SurfObj->pvScan0 + y1 * SurfObj->lDelta;
41 PBYTE addr = byteaddr + x;
42 LONG lDelta = SurfObj->lDelta;
52 BOOLEAN DIB_8BPP_BitBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
53 SURFGDI *DestGDI, SURFGDI *SourceGDI,
54 PRECTL DestRect, POINTL *SourcePoint,
55 XLATEOBJ *ColorTranslation)
57 ULONG i, j, sx, sy, xColor, f1;
58 PBYTE SourceBits, DestBits, SourceLine, DestLine;
59 PBYTE SourceBits_4BPP, SourceLine_4BPP;
61 DestBits = DestSurf->pvScan0 + (DestRect->top * DestSurf->lDelta) + DestRect->left;
63 switch(SourceGDI->BitsPerPixel)
69 for (j=DestRect->top; j<DestRect->bottom; j++)
72 for (i=DestRect->left; i<DestRect->right; i++)
74 if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
76 DIB_8BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, 0));
78 DIB_8BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, 1));
87 SourceBits_4BPP = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + (SourcePoint->x >> 1);
89 for (j=DestRect->top; j<DestRect->bottom; j++)
91 SourceLine_4BPP = SourceBits_4BPP;
95 for (i=DestRect->left; i<DestRect->right; i++)
97 xColor = XLATEOBJ_iXlate(ColorTranslation,
98 (*SourceLine_4BPP & altnotmask[sx&1]) >> (4 * (1-(sx & 1))));
99 DIB_8BPP_PutPixel(DestSurf, i, j, xColor);
100 if(f1 == 1) { SourceLine_4BPP++; f1 = 0; } else { f1 = 1; }
104 SourceBits_4BPP += SourceSurf->lDelta;
109 if (NULL == ColorTranslation || 0 != (ColorTranslation->flXlate & XO_TRIVIAL))
111 SourceBits = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + SourcePoint->x;
112 for (j = DestRect->top; j < DestRect->bottom; j++)
114 RtlCopyMemory(DestBits, SourceBits, DestRect->right - DestRect->left);
115 SourceBits += SourceSurf->lDelta;
116 DestBits += DestSurf->lDelta;
122 DPRINT1("DIB_8BPP_Bitblt: Unhandled ColorTranslation for 32 -> 32 copy");
128 SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 2 * SourcePoint->x;
131 for (j = DestRect->top; j < DestRect->bottom; j++)
133 SourceBits = SourceLine;
136 for (i = DestRect->left; i < DestRect->right; i++)
138 xColor = *((PWORD) SourceBits);
139 *DestBits = XLATEOBJ_iXlate(ColorTranslation, xColor);
144 SourceLine += SourceSurf->lDelta;
145 DestLine += DestSurf->lDelta;
150 SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 3 * SourcePoint->x;
153 for (j = DestRect->top; j < DestRect->bottom; j++)
155 SourceBits = SourceLine;
158 for (i = DestRect->left; i < DestRect->right; i++)
160 xColor = (*(SourceBits + 2) << 0x10) +
161 (*(SourceBits + 1) << 0x08) +
163 *DestBits = XLATEOBJ_iXlate(ColorTranslation, xColor);
168 SourceLine += SourceSurf->lDelta;
169 DestLine += DestSurf->lDelta;
174 SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 4 * SourcePoint->x;
177 for (j = DestRect->top; j < DestRect->bottom; j++)
179 SourceBits = SourceLine;
182 for (i = DestRect->left; i < DestRect->right; i++)
184 xColor = *((PDWORD) SourceBits);
185 *DestBits = XLATEOBJ_iXlate(ColorTranslation, xColor);
190 SourceLine += SourceSurf->lDelta;
191 DestLine += DestSurf->lDelta;
196 DbgPrint("DIB_8BPP_Bitblt: Unhandled Source BPP: %u\n", SourceGDI->BitsPerPixel);