1 /*
2 * PROJECT: Win32 subsystem
3 * LICENSE: See COPYING in the top level directory
4 * FILE: win32ss/gdi/dib/dib4bpp.c
5 * PURPOSE: Device Independant Bitmap functions, 4bpp
6 * PROGRAMMERS: Jason Filby
7 * Doug Lyons
8 */
9
10 #include <win32k.h>
11
12 #define NDEBUG
13 #include <debug.h>
14
15 #define DEC_OR_INC(var, decTrue, amount) \
16 ((var) = (decTrue) ? ((var) - (amount)) : ((var) + (amount)))
17
18 VOID
DIB_4BPP_PutPixel(SURFOBJ * SurfObj,LONG x,LONG y,ULONG c)19 DIB_4BPP_PutPixel(SURFOBJ *SurfObj, LONG x, LONG y, ULONG c)
20 {
21 PBYTE addr = (PBYTE)SurfObj->pvScan0 + (x>>1) + y * SurfObj->lDelta;
22 *addr = (*addr & notmask[x&1]) | (BYTE)(c << ((1-(x&1))<<2));
23 }
24
25 ULONG
DIB_4BPP_GetPixel(SURFOBJ * SurfObj,LONG x,LONG y)26 DIB_4BPP_GetPixel(SURFOBJ *SurfObj, LONG x, LONG y)
27 {
28 PBYTE addr = (PBYTE)SurfObj->pvScan0 + (x>>1) + y * SurfObj->lDelta;
29 return (*addr >> ((1-(x&1))<<2)) & 0x0f;
30 }
31
32 VOID
DIB_4BPP_HLine(SURFOBJ * SurfObj,LONG x1,LONG x2,LONG y,ULONG c)33 DIB_4BPP_HLine(SURFOBJ *SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
34 {
35 PBYTE addr = (PBYTE)SurfObj->pvScan0 + (x1>>1) + y * SurfObj->lDelta;
36 LONG cx = x1;
37
38 while(cx < x2)
39 {
40 *addr = (*addr & notmask[x1&1]) | (BYTE)(c << ((1-(x1&1))<<2));
41 if((++x1 & 1) == 0)
42 ++addr;
43 ++cx;
44 }
45 }
46
47 VOID
DIB_4BPP_VLine(SURFOBJ * SurfObj,LONG x,LONG y1,LONG y2,ULONG c)48 DIB_4BPP_VLine(SURFOBJ *SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
49 {
50 PBYTE addr = SurfObj->pvScan0;
51 int lDelta = SurfObj->lDelta;
52
53 addr += (x>>1) + y1 * lDelta;
54 while(y1++ < y2)
55 {
56 *addr = (*addr & notmask[x&1]) | (BYTE)(c << ((1-(x&1))<<2));
57 addr += lDelta;
58 }
59 }
60
61 #ifndef _USE_DIBLIB_
62 BOOLEAN
DIB_4BPP_BitBltSrcCopy(PBLTINFO BltInfo)63 DIB_4BPP_BitBltSrcCopy(PBLTINFO BltInfo)
64 {
65 LONG i, j, sx, sy, f2, xColor;
66 PBYTE SourceBits_24BPP, SourceLine_24BPP;
67 PBYTE DestBits, DestLine, SourceBits_8BPP, SourceLine_8BPP;
68 PBYTE SourceBits, SourceLine;
69 BOOLEAN bTopToBottom, bLeftToRight;
70
71 DPRINT("DIB_4BPP_BitBltSrcCopy: SrcSurf cx/cy (%d/%d), DestSuft cx/cy (%d/%d) dstRect: (%d,%d)-(%d,%d)\n",
72 BltInfo->SourceSurface->sizlBitmap.cx, BltInfo->SourceSurface->sizlBitmap.cy,
73 BltInfo->DestSurface->sizlBitmap.cx, BltInfo->DestSurface->sizlBitmap.cy,
74 BltInfo->DestRect.left, BltInfo->DestRect.top, BltInfo->DestRect.right, BltInfo->DestRect.bottom);
75
76 /* Get back left to right flip here */
77 bLeftToRight = (BltInfo->DestRect.left > BltInfo->DestRect.right);
78
79 /* Check for top to bottom flip needed. */
80 bTopToBottom = BltInfo->DestRect.top > BltInfo->DestRect.bottom;
81
82 /* Make WellOrdered with top < bottom and left < right */
83 RECTL_vMakeWellOrdered(&BltInfo->DestRect);
84
85 DPRINT("BPP is '%d/%d' & BltInfo->SourcePoint.x is '%d' & BltInfo->SourcePoint.y is '%d'.\n",
86 BltInfo->SourceSurface->iBitmapFormat, BltInfo->SourcePoint.x, BltInfo->SourcePoint.y);
87
88 DestBits = (PBYTE)BltInfo->DestSurface->pvScan0 +
89 (BltInfo->DestRect.left >> 1) +
90 BltInfo->DestRect.top * BltInfo->DestSurface->lDelta;
91
92 switch (BltInfo->SourceSurface->iBitmapFormat)
93 {
94 case BMF_1BPP:
95 DPRINT("1BPP Case Selected with DestRect Width of '%d'.\n",
96 BltInfo->DestRect.right - BltInfo->DestRect.left);
97
98 sx = BltInfo->SourcePoint.x;
99
100 /* This sets sy to the top line */
101 sy = BltInfo->SourcePoint.y;
102
103 if (bTopToBottom)
104 {
105 /* This sets sy to the bottom line */
106 sy += (BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1) * BltInfo->SourceSurface->lDelta;
107 }
108
109 for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
110 {
111 sx = BltInfo->SourcePoint.x;
112
113 if (bLeftToRight)
114 {
115 /* This sets the sx to the rightmost pixel */
116 sx += (BltInfo->DestRect.right - BltInfo->DestRect.left - 1);
117 }
118
119 for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
120 {
121 if(DIB_1BPP_GetPixel(BltInfo->SourceSurface, sx, sy) == 0)
122 {
123 DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, 0));
124 }
125 else
126 {
127 DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, 1));
128 }
129 DEC_OR_INC(sx, bLeftToRight, 1);
130 }
131 DEC_OR_INC(sy, bTopToBottom, 1);
132 }
133 break;
134
135 case BMF_4BPP:
136 DPRINT("4BPP Case Selected with DestRect Width of '%d'.\n",
137 BltInfo->DestRect.right - BltInfo->DestRect.left);
138
139 /* This sets sy to the top line */
140 sy = BltInfo->SourcePoint.y;
141
142 if (bTopToBottom)
143 {
144 /* This sets sy to the bottom line */
145 sy += (BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1)
146 * BltInfo->SourceSurface->lDelta;
147 }
148
149 for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
150 {
151 sx = BltInfo->SourcePoint.x;
152
153 if (bLeftToRight)
154 {
155 /* This sets the sx to the rightmost pixel */
156 sx += (BltInfo->DestRect.right - BltInfo->DestRect.left - 1);
157 }
158
159 for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
160 {
161 if (NULL != BltInfo->XlateSourceToDest)
162 {
163 DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j,
164 XLATEOBJ_iXlate(BltInfo->XlateSourceToDest,
165 DIB_4BPP_GetPixel(BltInfo->SourceSurface, sx, sy)));
166 }
167 else
168 {
169 DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j,
170 DIB_4BPP_GetPixel(BltInfo->SourceSurface, sx, sy));
171 }
172 DEC_OR_INC(sx, bLeftToRight, 1);
173 }
174 DEC_OR_INC(sy, bTopToBottom, 1);
175 }
176 break;
177
178 case BMF_8BPP:
179 DPRINT("8BPP-dstRect: (%d,%d)-(%d,%d) and Width of '%d'.\n",
180 BltInfo->DestRect.left, BltInfo->DestRect.top,
181 BltInfo->DestRect.right, BltInfo->DestRect.bottom,
182 BltInfo->DestRect.right - BltInfo->DestRect.left);
183
184 SourceBits_8BPP = (PBYTE)BltInfo->SourceSurface->pvScan0 +
185 (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + BltInfo->SourcePoint.x;
186
187 if (bTopToBottom)
188 {
189 /* This sets SourceBits to the bottom line */
190 SourceBits_8BPP = (PBYTE)((LONG_PTR)SourceBits_8BPP +
191 ((BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1) *
192 BltInfo->SourceSurface->lDelta));
193 }
194
195 for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
196 {
197 SourceLine_8BPP = SourceBits_8BPP;
198 DestLine = DestBits;
199
200 if (bLeftToRight)
201 {
202 /* This sets SourceBits_8BPP to the rightmost pixel */
203 SourceBits_8BPP += (BltInfo->DestRect.right - BltInfo->DestRect.left - 1);
204 }
205
206 f2 = BltInfo->DestRect.left & 1;
207
208 for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
209 {
210 *DestLine = (*DestLine & notmask[f2]) |
211 (BYTE)((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, *SourceLine_8BPP)) << ((4 * (1 - f2))));
212 if (f2 == 1) { DestLine++; f2 = 0; } else { f2 = 1; }
213 DEC_OR_INC(SourceLine_8BPP, bLeftToRight, 1);
214 }
215 DEC_OR_INC(SourceBits_8BPP, bTopToBottom, BltInfo->SourceSurface->lDelta);
216 DestBits += BltInfo->DestSurface->lDelta;
217 }
218 break;
219
220 case BMF_16BPP:
221 DPRINT("16BPP Case Selected with DestRect Width of '%d'.\n",
222 BltInfo->DestRect.right - BltInfo->DestRect.left);
223
224 DPRINT("BMF_16BPP-dstRect: (%d,%d)-(%d,%d) and Width of '%d'.\n",
225 BltInfo->DestRect.left, BltInfo->DestRect.top,
226 BltInfo->DestRect.right, BltInfo->DestRect.bottom,
227 BltInfo->DestRect.right - BltInfo->DestRect.left);
228
229 SourceLine = (PBYTE)BltInfo->SourceSurface->pvScan0 +
230 (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) +
231 2 * BltInfo->SourcePoint.x;
232
233 if (bTopToBottom)
234 {
235 /* This sets SourceLine to the bottom line */
236 SourceLine += (BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1) *
237 BltInfo->SourceSurface->lDelta;;
238 }
239
240 DestLine = DestBits;
241
242 for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
243 {
244 SourceBits = SourceLine;
245
246 if (bLeftToRight)
247 {
248 /* This sets SourceBits to the rightmost pixel */
249 SourceBits += (BltInfo->DestRect.right - BltInfo->DestRect.left - 1) * 2;
250 }
251
252 DestBits = DestLine;
253 f2 = BltInfo->DestRect.left & 1;
254
255 for (i = BltInfo->DestRect.left; i < BltInfo->DestRect.right; i++)
256 {
257 xColor = *((PWORD) SourceBits);
258 *DestBits = (*DestBits & notmask[f2]) |
259 (BYTE)((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor)) << ((4 * (1 - f2))));
260 if(f2 == 1) { DestBits++; f2 = 0; } else { f2 = 1; }
261
262 DEC_OR_INC(SourceBits, bLeftToRight, 2);
263 }
264
265 DEC_OR_INC(SourceLine, bTopToBottom, BltInfo->SourceSurface->lDelta);
266 DestLine += BltInfo->DestSurface->lDelta;
267 }
268 break;
269
270 case BMF_24BPP:
271
272 DPRINT("24BPP-dstRect: (%d,%d)-(%d,%d) and Width of '%d'.\n",
273 BltInfo->DestRect.left, BltInfo->DestRect.top,
274 BltInfo->DestRect.right, BltInfo->DestRect.bottom,
275 BltInfo->DestRect.right - BltInfo->DestRect.left);
276
277 SourceBits_24BPP = (PBYTE)BltInfo->SourceSurface->pvScan0 +
278 (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) +
279 BltInfo->SourcePoint.x * 3;
280
281 if (bTopToBottom)
282 {
283 /* This sets SourceLine to the bottom line */
284 SourceBits_24BPP += BltInfo->SourceSurface->lDelta *
285 (BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1);
286 }
287
288 for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
289 {
290 SourceLine_24BPP = SourceBits_24BPP;
291 DestLine = DestBits;
292 f2 = BltInfo->DestRect.left & 1;
293
294 if (bLeftToRight)
295 {
296 /* This sets the SourceBits_24BPP to the rightmost pixel */
297 SourceLine_24BPP += (BltInfo->DestRect.right - BltInfo->DestRect.left - 1) * 3;
298 }
299
300 for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
301 {
302 xColor = (*(SourceLine_24BPP + 2) << 0x10) +
303 (*(SourceLine_24BPP + 1) << 0x08) +
304 (*(SourceLine_24BPP));
305 *DestLine = (*DestLine & notmask[f2]) |
306 (BYTE)((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor)) << ((4 * (1 - f2))));
307 if(f2 == 1) { DestLine++; f2 = 0; } else { f2 = 1; }
308 DEC_OR_INC(SourceLine_24BPP, bLeftToRight, 3);
309 }
310 DEC_OR_INC(SourceBits_24BPP, bTopToBottom, BltInfo->SourceSurface->lDelta);
311 DestBits += BltInfo->DestSurface->lDelta;
312 }
313 break;
314
315 case BMF_32BPP:
316 DPRINT("32BPP Case Selected with DestRect Width of '%d'.\n",
317 BltInfo->DestRect.right - BltInfo->DestRect.left);
318
319 SourceLine = (PBYTE)BltInfo->SourceSurface->pvScan0 +
320 (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) +
321 4 * BltInfo->SourcePoint.x;
322
323 if (bTopToBottom)
324 {
325 /* This sets SourceLine to the bottom line */
326 SourceLine += BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1;
327 }
328
329 DestLine = DestBits;
330
331 for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
332 {
333 SourceBits = SourceLine;
334 DestBits = DestLine;
335
336 if (bLeftToRight)
337 {
338 /* This sets SourceBits to the rightmost pixel */
339 SourceBits += (BltInfo->DestRect.right - BltInfo->DestRect.left - 1) * 4;
340 }
341
342 f2 = BltInfo->DestRect.left & 1;
343
344 for (i = BltInfo->DestRect.left; i < BltInfo->DestRect.right; i++)
345 {
346 xColor = *((PDWORD) SourceBits);
347 *DestBits = (*DestBits & notmask[f2]) |
348 (BYTE)((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor)) << ((4 * (1 - f2))));
349 if(f2 == 1) { DestBits++; f2 = 0; } else { f2 = 1; }
350
351 DEC_OR_INC(SourceBits, bLeftToRight, 4);
352 }
353
354 DEC_OR_INC(SourceLine, bTopToBottom, BltInfo->SourceSurface->lDelta);
355 DestLine += BltInfo->DestSurface->lDelta;
356 }
357 break;
358
359 default:
360 DbgPrint("DIB_4BPP_BitBltSrcCopy: Unhandled Source BPP: %u\n",
361 BitsPerFormat(BltInfo->SourceSurface->iBitmapFormat));
362 return FALSE;
363 }
364 return(TRUE);
365 }
366
367 BOOLEAN
DIB_4BPP_BitBlt(PBLTINFO BltInfo)368 DIB_4BPP_BitBlt(PBLTINFO BltInfo)
369 {
370 LONG DestX, DestY;
371 LONG SourceX, SourceY;
372 LONG PatternY = 0;
373 ULONG Dest, Source = 0, Pattern = 0;
374 BOOLEAN UsesSource;
375 BOOLEAN UsesPattern;
376 PULONG DestBits;
377 LONG RoundedRight;
378 static const ULONG ExpandSolidColor[16] =
379 {
380 0x00000000 /* 0 */,
381 0x11111111 /* 1 */,
382 0x22222222 /* 2 */,
383 0x33333333 /* 3 */,
384 0x44444444 /* 4 */,
385 0x55555555 /* 5 */,
386 0x66666666 /* 6 */,
387 0x77777777 /* 7 */,
388 0x88888888 /* 8 */,
389 0x99999999 /* 9 */,
390 0xAAAAAAAA /* 10 */,
391 0xBBBBBBBB /* 11 */,
392 0xCCCCCCCC /* 12 */,
393 0xDDDDDDDD /* 13 */,
394 0xEEEEEEEE /* 14 */,
395 0xFFFFFFFF /* 15 */,
396 };
397
398 UsesSource = ROP4_USES_SOURCE(BltInfo->Rop4);
399 UsesPattern = ROP4_USES_PATTERN(BltInfo->Rop4);
400
401 SourceY = BltInfo->SourcePoint.y;
402 RoundedRight = BltInfo->DestRect.right -
403 ((BltInfo->DestRect.right - BltInfo->DestRect.left) & 0x7);
404
405 if (UsesPattern)
406 {
407 if (BltInfo->PatternSurface)
408 {
409 PatternY = (BltInfo->DestRect.top + BltInfo->BrushOrigin.y) %
410 BltInfo->PatternSurface->sizlBitmap.cy;
411 }
412 else
413 {
414 if (BltInfo->Brush)
415 Pattern = ExpandSolidColor[BltInfo->Brush->iSolidColor];
416 }
417 }
418
419 for (DestY = BltInfo->DestRect.top; DestY < BltInfo->DestRect.bottom; DestY++)
420 {
421 DestBits = (PULONG)(
422 (PBYTE)BltInfo->DestSurface->pvScan0 +
423 (BltInfo->DestRect.left >> 1) +
424 DestY * BltInfo->DestSurface->lDelta);
425 SourceX = BltInfo->SourcePoint.x;
426 DestX = BltInfo->DestRect.left;
427
428 if (DestX & 0x1)
429 {
430 Dest = DIB_4BPP_GetPixel(BltInfo->DestSurface, DestX, DestY);
431
432 if (UsesSource)
433 {
434 Source = DIB_GetSource(BltInfo->SourceSurface, SourceX, SourceY, BltInfo->XlateSourceToDest);
435 }
436
437 if (BltInfo->PatternSurface)
438 {
439 Pattern = DIB_GetSourceIndex(BltInfo->PatternSurface,
440 (DestX + BltInfo->BrushOrigin.x) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY);
441 }
442
443 DIB_4BPP_PutPixel(BltInfo->DestSurface, DestX, DestY, DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern) & 0xF);
444
445 DestX++;
446 SourceX++;
447 DestBits = (PULONG)((ULONG_PTR)DestBits + 1);
448 }
449
450 for (; DestX < RoundedRight; DestX += 8, SourceX += 8, DestBits++)
451 {
452 Dest = *DestBits;
453 if (UsesSource)
454 {
455 Source =
456 (DIB_GetSource(BltInfo->SourceSurface, SourceX + 1, SourceY, BltInfo->XlateSourceToDest)) |
457 (DIB_GetSource(BltInfo->SourceSurface, SourceX + 0, SourceY, BltInfo->XlateSourceToDest) << 4) |
458 (DIB_GetSource(BltInfo->SourceSurface, SourceX + 3, SourceY, BltInfo->XlateSourceToDest) << 8) |
459 (DIB_GetSource(BltInfo->SourceSurface, SourceX + 2, SourceY, BltInfo->XlateSourceToDest) << 12) |
460 (DIB_GetSource(BltInfo->SourceSurface, SourceX + 5, SourceY, BltInfo->XlateSourceToDest) << 16) |
461 (DIB_GetSource(BltInfo->SourceSurface, SourceX + 4, SourceY, BltInfo->XlateSourceToDest) << 20) |
462 (DIB_GetSource(BltInfo->SourceSurface, SourceX + 7, SourceY, BltInfo->XlateSourceToDest) << 24) |
463 (DIB_GetSource(BltInfo->SourceSurface, SourceX + 6, SourceY, BltInfo->XlateSourceToDest) << 28);
464 }
465 if (BltInfo->PatternSurface)
466 {
467 Pattern = DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 1) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY);
468 Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 0) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << 4;
469 Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 3) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << 8;
470 Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 2) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << 12;
471 Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 5) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << 16;
472 Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 4) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << 20;
473 Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 7) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << 24;
474 Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 6) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << 28;
475 }
476 *DestBits = DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern);
477 }
478
479 /* Process the rest of pixel on the line */
480 for (; DestX < BltInfo->DestRect.right; DestX++, SourceX++)
481 {
482 Dest = DIB_4BPP_GetPixel(BltInfo->DestSurface, DestX, DestY);
483 if (UsesSource)
484 {
485 Source = DIB_GetSource(BltInfo->SourceSurface, SourceX, SourceY, BltInfo->XlateSourceToDest);
486 }
487 if (BltInfo->PatternSurface)
488 {
489 Pattern = DIB_GetSourceIndex(BltInfo->PatternSurface,
490 (DestX + BltInfo->BrushOrigin.x) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY);
491 }
492 DIB_4BPP_PutPixel(BltInfo->DestSurface, DestX, DestY, DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern) & 0xF);
493 }
494
495 SourceY++;
496 if (BltInfo->PatternSurface)
497 {
498 PatternY++;
499 PatternY %= BltInfo->PatternSurface->sizlBitmap.cy;
500 }
501 }
502
503 return TRUE;
504 }
505
506 /* BitBlt Optimize */
507 BOOLEAN
DIB_4BPP_ColorFill(SURFOBJ * DestSurface,RECTL * DestRect,ULONG color)508 DIB_4BPP_ColorFill(SURFOBJ* DestSurface, RECTL* DestRect, ULONG color)
509 {
510 LONG DestY;
511
512 /* Make WellOrdered by making top < bottom and left < right */
513 RECTL_vMakeWellOrdered(DestRect);
514
515 for (DestY = DestRect->top; DestY < DestRect->bottom; DestY++)
516 {
517 DIB_4BPP_HLine(DestSurface, DestRect->left, DestRect->right, DestY, color);
518 }
519 return TRUE;
520 }
521 #endif // !_USE_DIBLIB_
522
523 BOOLEAN
DIB_4BPP_TransparentBlt(SURFOBJ * DestSurf,SURFOBJ * SourceSurf,RECTL * DestRect,RECTL * SourceRect,XLATEOBJ * ColorTranslation,ULONG iTransColor)524 DIB_4BPP_TransparentBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
525 RECTL* DestRect, RECTL *SourceRect,
526 XLATEOBJ *ColorTranslation, ULONG iTransColor)
527 {
528 return FALSE;
529 }
530
531 /* EOF */
532