source: trunk/src/gdi32/blit.cpp@ 5252

Last change on this file since 5252 was 5252, checked in by sandervl, 25 years ago

SetDIBitsToDevice fix
File size: 15.3 KB
Line 
1/* $Id: blit.cpp,v 1.24 2001-02-23 10:37:42 sandervl Exp $ */
2
3/*
4 * GDI32 blit code
5 *
6 * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl)
7 * Copyright 1998 Patrick Haller
8 *
9 * Project Odin Software License can be found in LICENSE.TXT
10 *
11 */
12#include <os2win.h>
13#include <stdlib.h>
14#include <stdarg.h>
15#include <string.h>
16#include <cpuhlp.h>
17#include "misc.h"
18#include "dibsect.h"
19#include "rgbcvt.h"
20
21#define DBG_LOCALLOG DBG_blit
22#include "dbglocal.h"
23
24static ULONG QueryPaletteSize(BITMAPINFOHEADER *pBHdr);
25static ULONG CalcBitmapSize(ULONG cBits, LONG cx, LONG cy);
26
27//******************************************************************************
28//******************************************************************************
29BOOL WIN32API StretchBlt(HDC hdcDest, int nXOriginDest, int nYOriginDest,
30 int nWidthDest, int nHeightDest,
31 HDC hdcSrc, int nXOriginSrc, int nYOriginSrc,
32 int nWidthSrc, int nHeightSrc, DWORD dwRop)
33{
34 BOOL rc;
35
36 dprintf(("GDI32: StretchBlt Dest: %x (%d, %d) size (%d, %d) ROP %x",
37 hdcDest, nXOriginDest, nYOriginDest, nWidthDest, nHeightDest, dwRop));
38 dprintf(("GDI32: StretchBlt Src : %x (%d, %d) size (%d, %d)\n",
39 hdcSrc, nXOriginSrc, nYOriginSrc, nWidthSrc, nHeightSrc));
40 SetLastError(ERROR_SUCCESS);
41 if(DIBSection::getSection() != NULL)
42 {
43 DIBSection *dsect = DIBSection::findHDC(hdcSrc);
44 if(dsect)
45 {
46 rc = dsect->BitBlt( hdcDest,
47 nXOriginDest, nYOriginDest, nWidthDest, nHeightDest,
48 nXOriginSrc, nYOriginSrc, nWidthSrc, nHeightSrc,
49 dwRop);
50 return rc;
51 }
52 }
53 return O32_StretchBlt(hdcDest, nXOriginDest, nYOriginDest, nWidthDest, nHeightDest, hdcSrc, nXOriginSrc, nYOriginSrc, nWidthSrc, nHeightSrc, dwRop);
54}
55//******************************************************************************
56//******************************************************************************
57BOOL WIN32API BitBlt(HDC hdcDest,
58 int nXDest,
59 int nYDest,
60 int nWidth,
61 int nHeight,
62 HDC hdcSrc,
63 int nXSrc,
64 int nYSrc,
65 DWORD dwRop)
66{
67 BOOL rc;
68
69 SetLastError(ERROR_SUCCESS);
70 if(DIBSection::getSection() != NULL)
71 {
72 DIBSection *dsect = DIBSection::findHDC(hdcSrc);
73 if(dsect)
74 {
75 return dsect->BitBlt(hdcDest,
76 nXDest,
77 nYDest,
78 nWidth,
79 nHeight,
80 nXSrc,
81 nYSrc,
82 nWidth,
83 nHeight,
84 dwRop);
85 }
86 }
87 dprintf(("GDI32: BitBlt to hdc %X from hdc %x (%d,%d) to (%d,%d), (%d,%d) rop %X\n",
88 hdcDest, hdcSrc, nXSrc, nYSrc, nXDest, nYDest, nWidth, nHeight, dwRop));
89 return O32_BitBlt(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, dwRop);
90}
91//******************************************************************************
92//******************************************************************************
93INT WIN32API SetDIBitsToDevice(HDC hdc, INT xDest, INT yDest, DWORD cx,
94 DWORD cy, INT xSrc, INT ySrc,
95 UINT startscan, UINT lines, LPCVOID bits,
96 const BITMAPINFO *info, UINT coloruse)
97{
98 INT result, imgsize, palsize, height, width;
99 char *ptr;
100 ULONG compression = 0, bmpsize;
101 WORD *newbits = 0;
102
103 dprintf(("GDI32: SetDIBitsToDevice hdc:%X xDest:%d yDest:%d, cx:%d, cy:%d, xSrc:%d, ySrc:%d, startscan:%d, lines:%d \nGDI32: bits 0x%X, info 0x%X, coloruse %d",
104 hdc, xDest, yDest, cx, cy, xSrc, ySrc, startscan, lines, (LPVOID) bits, (PBITMAPINFO)info, coloruse));
105
106 SetLastError(ERROR_SUCCESS);
107 if(info == NULL) {
108 goto invalid_parameter;
109 }
110 height = info->bmiHeader.biHeight;
111 width = info->bmiHeader.biWidth;
112
113 if (height < 0) height = -height;
114 if (!lines || (startscan >= height)) {
115 goto invalid_parameter;
116 }
117 if (startscan + lines > height) lines = height - startscan;
118
119 if (ySrc < startscan) ySrc = startscan;
120 else if (ySrc >= startscan + lines) goto invalid_parameter;
121
122 if (xSrc >= width) goto invalid_parameter;
123
124 if (ySrc + cy >= startscan + lines) cy = startscan + lines - ySrc;
125
126 if (xSrc + cx >= width) cx = width - xSrc;
127
128 if (!cx || !cy) goto invalid_parameter;
129
130 //SvL: RP7's bitmap size is not correct; fix it here or else
131 // the blit is messed up in Open32
132 bmpsize = info->bmiHeader.biSizeImage;
133 if(info->bmiHeader.biCompression == 0 && info->bmiHeader.biSizeImage &&
134 info->bmiHeader.biSizeImage < imgsize)
135 {
136 ((BITMAPINFO *)info)->bmiHeader.biSizeImage = imgsize;
137 }
138
139 //SvL: Ignore BI_BITFIELDS type (SetDIBitsToDevice fails otherwise)
140 if(info->bmiHeader.biCompression == BI_BITFIELDS) {
141 DWORD *bitfields = (DWORD *)info->bmiColors;
142
143 ((BITMAPINFO *)info)->bmiHeader.biCompression = 0;
144 compression = BI_BITFIELDS;
145
146 if(*(bitfields+1) == 0x3E0)
147 {//RGB 555?
148 dprintf(("BI_BITFIELDS compression %x %x %x", *bitfields, *(bitfields+1), *(bitfields+2)));
149
150 newbits = (WORD *)malloc(imgsize);
151 if(CPUFeatures & CPUID_MMX) {
152 RGB555to565MMX(newbits, (WORD *)bits, imgsize/sizeof(WORD));
153 }
154 else RGB555to565(newbits, (WORD *)bits, imgsize/sizeof(WORD));
155 bits = newbits;
156 }
157 }
158
159 if(startscan != 0 || lines != info->bmiHeader.biHeight) {
160 dprintf(("WARNING: SetDIBitsToDevice startscan != 0 || lines != info->bmiHeader.biHeight"));
161 }
162
163 result = O32_StretchDIBits(hdc, xDest, yDest, cx, cy, xSrc, ySrc,
164 cx, cy, (void *)bits,
165 (PBITMAPINFO)info, coloruse, SRCCOPY);
166
167 //Open32 always returns height of bitmap (regardless of how many scanlines were copied)
168 if(result != info->bmiHeader.biHeight) {
169 dprintf(("SetDIBitsToDevice failed with rc %x", result));
170 }
171 else
172 {
173 result = info->bmiHeader.biHeight;
174
175 DIBSection *destdib = DIBSection::findHDC(hdc);
176 if(destdib) {
177 if(cx == info->bmiHeader.biWidth && cy == info->bmiHeader.biHeight &&
178 destdib->GetBitCount() == info->bmiHeader.biBitCount &&
179 destdib->GetBitCount() == 8)
180 {
181 destdib->sync(xDest, yDest, cx, cy, (PVOID)bits);
182 }
183 else destdib->sync(hdc, yDest, cy);
184 }
185 }
186 dprintf(("GDI32: SetDIBitsToDevice hdc:%X xDest:%d yDest:%d, cx:%d, cy:%d, xSrc:%d, ySrc:%d, startscan:%d, lines:%d \nGDI32: bits 0x%X, info 0x%X, coloruse %d returned %d",
187 hdc, xDest, yDest, cx, cy, xSrc, ySrc, startscan, lines, (LPVOID) bits, (PBITMAPINFO)info, coloruse, result));
188 dprintf(("GDI32: SetDIBitsToDevice %d %d %d %d %x %d", info->bmiHeader.biWidth, info->bmiHeader.biHeight, info->bmiHeader.biPlanes, info->bmiHeader.biBitCount, info->bmiHeader.biCompression, info->bmiHeader.biSizeImage));
189
190 if(compression == BI_BITFIELDS) {
191 ((BITMAPINFO *)info)->bmiHeader.biCompression = BI_BITFIELDS;
192 if(newbits) free(newbits);
193 }
194 ((BITMAPINFO *)info)->bmiHeader.biSizeImage = bmpsize;
195 return result;
196
197invalid_parameter:
198 SetLastError(ERROR_INVALID_PARAMETER);
199 return 0;
200}
201//******************************************************************************
202//******************************************************************************
203BOOL WIN32API PatBlt(HDC hdc,int nXLeft,int nYLeft,int nWidth,int nHeight,DWORD dwRop)
204{
205 BOOL rc;
206
207 //CB: Open32 bug: negative width/height not supported!
208 if (nWidth < 0)
209 {
210 nXLeft += nWidth+1;
211 nWidth = -nWidth;
212 }
213 if (nHeight < 0)
214 {
215 nYLeft += nHeight+1;
216 nHeight = -nHeight;
217 }
218 rc = O32_PatBlt(hdc,nXLeft,nYLeft,nWidth,nHeight,dwRop);
219 if(rc) {
220 DIBSection *destdib = DIBSection::findHDC(hdc);
221 if(destdib) {
222 destdib->sync(hdc, nYLeft, nHeight);
223 }
224 }
225
226 dprintf(("GDI32: PatBlt hdc %x (%d,%d) (%d,%d) returned %d\n",hdc, nXLeft,nYLeft,nWidth,nHeight,rc));
227 return(rc);
228}
229//******************************************************************************
230//******************************************************************************
231BOOL WIN32API MaskBlt( HDC arg1, int arg2, int arg3, int arg4, int arg5, HDC arg6, int arg7, int arg8, HBITMAP arg9, int arg10, int arg11, DWORD arg12)
232{
233 dprintf(("GDI32: MaskBlt"));
234 return O32_MaskBlt(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12);
235}
236//******************************************************************************
237//******************************************************************************
238BOOL WIN32API PlgBlt(HDC hdcDest, CONST POINT *lpPoint, HDC hdcSrc, int nXSrc,
239 int nYSrc, int nWidth, int nHeight, HBITMAP hbmMask,
240 int xMast, int yMask)
241{
242 dprintf(("GDI32: PlgBlt, not implemented\n"));
243 return(FALSE);
244}
245//******************************************************************************
246//******************************************************************************
247INT WIN32API StretchDIBits(HDC hdc, INT xDst, INT yDst, INT widthDst,
248 INT heightDst, INT xSrc, INT ySrc, INT widthSrc,
249 INT heightSrc, const void *bits,
250 const BITMAPINFO *info, UINT wUsage, DWORD dwRop )
251{
252 INT rc;
253
254 dprintf(("GDI32: StretchDIBits %x to (%d,%d) (%d,%d) from (%d,%d) (%d,%d), %x %x %x %x", hdc, xDst, yDst, widthDst, heightDst, xSrc, ySrc, widthSrc, heightSrc, bits, info, wUsage, dwRop));
255
256 if(info->bmiHeader.biBitCount == 1) {
257 dprintf(("WARNING: StretchDIBits does NOT work correctly for 1 bpp bitmaps!!"));
258 }
259
260 if(wUsage == DIB_PAL_COLORS && info->bmiHeader.biSize == sizeof(BITMAPINFOHEADER))
261 {
262 // workaround for open32 bug.
263 // If syscolors > 256 and wUsage == DIB_PAL_COLORS.
264
265 int i;
266 USHORT *pColorIndex = (USHORT *)info->bmiColors;
267 RGBQUAD *pColors = (RGBQUAD *) alloca(info->bmiHeader.biClrUsed *
268 sizeof(RGBQUAD));
269 BITMAPINFO *infoLoc = (BITMAPINFO *) alloca(sizeof(BITMAPINFO) +
270 info->bmiHeader.biClrUsed * sizeof(RGBQUAD));
271
272 memcpy(infoLoc, info, sizeof(BITMAPINFO));
273
274 if(GetDIBColorTable(hdc, 0, info->bmiHeader.biClrUsed, pColors) == 0) {
275 dprintf(("ERROR: StretchDIBits: GetDIBColorTable failed!!"));
276 return FALSE;
277 }
278 for(i=0;i<info->bmiHeader.biClrUsed;i++, pColorIndex++)
279 {
280 infoLoc->bmiColors[i] = pColors[*pColorIndex];
281 }
282
283 rc = O32_StretchDIBits(hdc, xDst, yDst, widthDst, heightDst, xSrc, ySrc,
284 widthSrc, heightSrc, (void *)bits,
285 (PBITMAPINFO)infoLoc, DIB_RGB_COLORS, dwRop);
286
287 //Open32 always returns height of bitmap (regardless of how many scanlines were copied)
288 if(rc != heightSrc && rc != infoLoc->bmiHeader.biHeight) {
289 dprintf(("StretchDIBits failed with rc %x", rc));
290 }
291 else {
292 rc = heightSrc;
293
294 DIBSection *destdib = DIBSection::findHDC(hdc);
295 if(destdib) {
296 if(widthDst == widthSrc && heightDst == heightSrc &&
297 destdib->GetBitCount() == infoLoc->bmiHeader.biBitCount &&
298 destdib->GetBitCount() == 8)
299 {
300 destdib->sync(xDst, yDst, widthDst, heightDst, (PVOID)bits);
301 }
302 else destdib->sync(hdc, yDst, heightDst);
303 }
304 }
305
306 return rc;
307 }
308 rc = O32_StretchDIBits(hdc, xDst, yDst, widthDst, heightDst, xSrc, ySrc,
309 widthSrc, heightSrc, (void *)bits,
310 (PBITMAPINFO)info, wUsage, dwRop);
311 //Open32 always returns height of bitmap (regardless of how many scanlines were copied)
312 if(rc != heightSrc && rc != info->bmiHeader.biHeight) {
313 dprintf(("StretchDIBits failed with rc %x", rc));
314 }
315 else
316 {
317 rc = heightSrc;
318
319 DIBSection *destdib = DIBSection::findHDC(hdc);
320 if(destdib) {
321 if(widthDst == widthSrc && heightDst == heightSrc &&
322 destdib->GetBitCount() == info->bmiHeader.biBitCount &&
323 destdib->GetBitCount() == 8)
324 {
325 destdib->sync(xDst, yDst, widthDst, heightDst, (PVOID)bits);
326 }
327 else destdib->sync(hdc, yDst, heightDst);
328 }
329 }
330
331 return rc;
332}
333//******************************************************************************
334//******************************************************************************
335int WIN32API SetStretchBltMode( HDC arg1, int arg2)
336{
337 dprintf(("GDI32: SetStretchBltMode 0x%08X, 0x%08X\n",arg1, arg2));
338
339 if(DIBSection::getSection() != NULL)
340 {
341 DIBSection *dsect = DIBSection::findHDC(arg1);
342 if(dsect)
343 {
344 dprintf((" - DC is DIBSection\n"));
345 }
346 }
347 return O32_SetStretchBltMode(arg1, arg2);
348}
349//******************************************************************************
350//******************************************************************************
351int WIN32API GetStretchBltMode( HDC arg1)
352{
353 dprintf(("GDI32: GetStretchBltMode"));
354 return O32_GetStretchBltMode(arg1);
355}
356//******************************************************************************
357//******************************************************************************
358static ULONG QueryPaletteSize(BITMAPINFOHEADER *pBHdr)
359{
360 ULONG cbPalette;
361
362 switch (pBHdr->biBitCount)
363 {
364 case 1:
365 case 4:
366 case 8:
367 cbPalette = (1 << pBHdr->biBitCount) * sizeof(RGBQUAD);
368 break;
369
370 case 16:
371 case 24:
372 case 32:
373 cbPalette = 0;
374 break;
375
376 default:
377 dprintf(("QueryPaletteSize: error pBHdr->biBitCount = %d", pBHdr->biBitCount));
378 cbPalette = -1;
379 }
380
381 return cbPalette;
382}
383//******************************************************************************
384//******************************************************************************
385static ULONG CalcBitmapSize(ULONG cBits, LONG cx, LONG cy)
386{
387 ULONG alignment;
388 ULONG factor;
389 BOOL flag = TRUE; //true: '*' false: '/'
390
391 cy = cy < 0 ? -cy : cy;
392
393 switch(cBits)
394 {
395 case 1:
396 factor = 8;
397 flag = FALSE;
398 break;
399
400 case 4:
401 factor = 2;
402 flag = FALSE;
403 break;
404
405 case 8:
406 factor = 1;
407 break;
408
409 case 16:
410 factor = 2;
411 break;
412
413 case 24:
414 factor = 3;
415 break;
416
417 case 32:
418 return cx*cy;
419
420 default:
421 return 0;
422 }
423
424 if (flag)
425 alignment = (cx = (cx*factor)) % 4;
426 else
427 alignment = (cx = ((cx+factor-1)/factor)) % 4;
428
429 if (alignment != 0)
430 cx += 4 - alignment;
431
432 return cx*cy;
433}
434//******************************************************************************
435//******************************************************************************
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