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_16BPP_PutPixel(PSURFOBJ SurfObj, LONG x, LONG y, ULONG c)
13 PBYTE byteaddr = SurfObj->pvScan0 + y * SurfObj->lDelta;
14 PWORD addr = (PWORD)byteaddr + x;
19 ULONG DIB_16BPP_GetPixel(PSURFOBJ SurfObj, LONG x, LONG y)
21 PBYTE byteaddr = SurfObj->pvScan0 + y * SurfObj->lDelta;
22 PWORD addr = (PWORD)byteaddr + x;
24 return (ULONG)(*addr);
27 VOID DIB_16BPP_HLine(PSURFOBJ SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
29 PBYTE byteaddr = SurfObj->pvScan0 + y * SurfObj->lDelta;
30 PWORD addr = (PWORD)byteaddr + x1;
40 VOID DIB_16BPP_VLine(PSURFOBJ SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
42 PBYTE byteaddr = SurfObj->pvScan0 + y1 * SurfObj->lDelta;
43 PWORD addr = (PWORD)byteaddr + x;
44 LONG lDelta = SurfObj->lDelta;
46 byteaddr = (PBYTE)addr;
51 addr = (PWORD)byteaddr;
55 BOOLEAN DIB_16BPP_BitBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
56 SURFGDI *DestGDI, SURFGDI *SourceGDI,
57 PRECTL DestRect, POINTL *SourcePoint,
58 XLATEOBJ *ColorTranslation)
60 LONG i, j, sx, sy, xColor, f1;
61 PBYTE SourceBits, DestBits, SourceLine, DestLine;
62 PBYTE SourceBits_4BPP, SourceLine_4BPP;
63 DestBits = DestSurf->pvScan0 + (DestRect->top * DestSurf->lDelta) + 2 * DestRect->left;
65 switch(SourceGDI->BitsPerPixel)
71 for (j=DestRect->top; j<DestRect->bottom; j++)
74 for (i=DestRect->left; i<DestRect->right; i++)
76 if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
78 DIB_16BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, 0));
80 DIB_16BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, 1));
89 SourceBits_4BPP = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + (SourcePoint->x >> 1);
91 for (j=DestRect->top; j<DestRect->bottom; j++)
93 SourceLine_4BPP = SourceBits_4BPP;
97 for (i=DestRect->left; i<DestRect->right; i++)
99 xColor = XLATEOBJ_iXlate(ColorTranslation,
100 (*SourceLine_4BPP & altnotmask[sx&1]) >> (4 * (1-(sx & 1))));
101 DIB_16BPP_PutPixel(DestSurf, i, j, xColor);
102 if(f1 == 1) { SourceLine_4BPP++; f1 = 0; } else { f1 = 1; }
106 SourceBits_4BPP += SourceSurf->lDelta;
111 SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + SourcePoint->x;
114 for (j = DestRect->top; j < DestRect->bottom; j++)
116 SourceBits = SourceLine;
119 for (i = DestRect->left; i < DestRect->right; i++)
121 *((WORD *)DestBits) = (WORD)XLATEOBJ_iXlate(ColorTranslation, *SourceBits);
126 SourceLine += SourceSurf->lDelta;
127 DestLine += DestSurf->lDelta;
132 if (NULL == ColorTranslation || 0 != (ColorTranslation->flXlate & XO_TRIVIAL))
134 SourceBits = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 2 * SourcePoint->x;
135 for (j = DestRect->top; j < DestRect->bottom; j++)
137 RtlCopyMemory(DestBits, SourceBits, 2 * (DestRect->right - DestRect->left));
138 SourceBits += SourceSurf->lDelta;
139 DestBits += DestSurf->lDelta;
145 DPRINT1("DIB_16BPP_Bitblt: Unhandled ColorTranslation for 16 -> 16 copy");
151 SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 3 * SourcePoint->x;
154 for (j = DestRect->top; j < DestRect->bottom; j++)
156 SourceBits = SourceLine;
159 for (i = DestRect->left; i < DestRect->right; i++)
161 xColor = (*(SourceBits + 2) << 0x10) +
162 (*(SourceBits + 1) << 0x08) +
164 *((WORD *)DestBits) = (WORD)XLATEOBJ_iXlate(ColorTranslation, xColor);
169 SourceLine += SourceSurf->lDelta;
170 DestLine += DestSurf->lDelta;
175 SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 4 * SourcePoint->x;
178 for (j = DestRect->top; j < DestRect->bottom; j++)
180 SourceBits = SourceLine;
183 for (i = DestRect->left; i < DestRect->right; i++)
185 *((WORD *)DestBits) = (WORD)XLATEOBJ_iXlate(ColorTranslation, *((PDWORD) SourceBits));
190 SourceLine += SourceSurf->lDelta;
191 DestLine += DestSurf->lDelta;
196 DbgPrint("DIB_16BPP_Bitblt: Unhandled Source BPP: %u\n", SourceGDI->BitsPerPixel);