ReactOS 0.4.15-dev-7788-g1ad9096
cursoricon.c
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1/*
2 * PROJECT: ReactOS user32.dll
3 * COPYRIGHT: GPL - See COPYING in the top level directory
4 * FILE: win32ss/user/user32/windows/cursoricon.c
5 * PURPOSE: cursor and icons implementation
6 * PROGRAMMER: Jérôme Gardou (jerome.gardou@reactos.org)
7 */
8
9#include <user32.h>
10
13//WINE_DECLARE_DEBUG_CHANNEL(resource);
14
15/* We only use Wide string functions */
16#undef MAKEINTRESOURCE
17#define MAKEINTRESOURCE MAKEINTRESOURCEW
18
19/************* USER32 INTERNAL FUNCTIONS **********/
20
22{
23 if (!gpsi->hIconSmWindows)
24 {
25 ERR("Loading System Cursors\n");
42 }
43}
44
45/* This callback routine is called directly after switching to gui mode */
49 ULONG ArgumentLength)
50{
51 BOOL *DefaultCursor = (BOOL*)Arguments;
52 HCURSOR hCursor;
53
54 /* Load system cursors first */
56
57 if(*DefaultCursor)
58 {
59 /* set default cursor */
60 hCursor = LoadCursorW(0, IDC_ARROW);
61 SetCursor(hCursor);
62 }
63 else
64 {
65 /* FIXME load system cursor scheme */
66 SetCursor(0);
67 hCursor = LoadCursorW(0, IDC_ARROW);
68 SetCursor(hCursor);
69 }
70
71 return(ZwCallbackReturn(&hCursor, sizeof(HCURSOR), STATUS_SUCCESS));
72}
73
75{
76 return NtUserGetIconSize(hIcon, 0, &size->cx, &size->cy);
77}
78
80{
82 return NULL;
83}
84
85/************* IMPLEMENTATION HELPERS ******************/
86
87static const WCHAR DISPLAYW[] = L"DISPLAY";
88
89static void *map_fileW( LPCWSTR name, LPDWORD filesize )
90{
91 HANDLE hFile, hMapping;
92 LPVOID ptr = NULL;
93
97 {
98 hMapping = CreateFileMappingW( hFile, NULL, PAGE_READONLY, 0, 0, NULL );
99 if (hMapping)
100 {
101 ptr = MapViewOfFile( hMapping, FILE_MAP_READ, 0, 0, 0 );
102 CloseHandle( hMapping );
103 if (filesize)
104 *filesize = GetFileSize( hFile, NULL );
105 }
107 }
108 return ptr;
109}
110
111static int get_dib_image_size( int width, int height, int depth )
112{
113 return (((width * depth + 31) / 8) & ~3) * abs( height );
114}
115
117{
118 if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
119 {
120 const RGBTRIPLE *rgb = ((const BITMAPCOREINFO*)info)->bmciColors;
121
122 if (((const BITMAPCOREINFO*)info)->bmciHeader.bcBitCount != 1) return FALSE;
123
124 /* Check if the first color is black */
125 if ((rgb->rgbtRed == 0) && (rgb->rgbtGreen == 0) && (rgb->rgbtBlue == 0))
126 {
127 rgb++;
128
129 /* Check if the second color is white */
130 return ((rgb->rgbtRed == 0xff) && (rgb->rgbtGreen == 0xff)
131 && (rgb->rgbtBlue == 0xff));
132 }
133 else return FALSE;
134 }
135 else /* assume BITMAPINFOHEADER */
136 {
137 const RGBQUAD *rgb = info->bmiColors;
138
139 if (info->bmiHeader.biBitCount != 1) return FALSE;
140
141 /* Check if the first color is black */
142 if ((rgb->rgbRed == 0) && (rgb->rgbGreen == 0) &&
143 (rgb->rgbBlue == 0) && (rgb->rgbReserved == 0))
144 {
145 rgb++;
146
147 /* Check if the second color is white */
148 return ((rgb->rgbRed == 0xff) && (rgb->rgbGreen == 0xff)
149 && (rgb->rgbBlue == 0xff) && (rgb->rgbReserved == 0));
150 }
151 else return FALSE;
152 }
153}
154
155static int bitmap_info_size( const BITMAPINFO * info, WORD coloruse )
156{
157 unsigned int colors, size, masks = 0;
158
159 if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
160 {
161 const BITMAPCOREHEADER *core = (const BITMAPCOREHEADER *)info;
162 colors = (core->bcBitCount <= 8) ? 1 << core->bcBitCount : 0;
163 return sizeof(BITMAPCOREHEADER) + colors *
164 ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBTRIPLE) : sizeof(WORD));
165 }
166 else /* assume BITMAPINFOHEADER */
167 {
168 colors = info->bmiHeader.biClrUsed;
169 if (colors > 256) /* buffer overflow otherwise */
170 colors = 256;
171 if (!colors && (info->bmiHeader.biBitCount <= 8))
172 colors = 1 << info->bmiHeader.biBitCount;
173 if (info->bmiHeader.biCompression == BI_BITFIELDS) masks = 3;
174 size = max( info->bmiHeader.biSize, sizeof(BITMAPINFOHEADER) + masks * sizeof(DWORD) );
175 return size + colors * ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBQUAD) : sizeof(WORD));
176 }
177}
178
181{
182 #define CR 13
183 #define LF 10
184 #define EOFM 26 // DOS End Of File Marker
185 #define HighBitDetect 0x89 // Byte with high bit set to test if not 7-bit
186 /* wine's definition */
187 static const BYTE png_sig_pattern[] = { HighBitDetect, 'P', 'N', 'G', CR, LF, EOFM, LF };
188 if (header->biSize == sizeof(BITMAPCOREHEADER))
189 {
190 const BITMAPCOREHEADER *core = (const BITMAPCOREHEADER *)header;
191 *width = core->bcWidth;
192 *height = core->bcHeight;
193 *bpp = core->bcBitCount;
194 *compr = 0;
195 return 0;
196 }
197 else if (header->biSize == sizeof(BITMAPINFOHEADER) ||
198 header->biSize == sizeof(BITMAPV4HEADER) ||
199 header->biSize == sizeof(BITMAPV5HEADER))
200 {
201 *width = header->biWidth;
202 *height = header->biHeight;
203 *bpp = header->biBitCount;
204 *compr = header->biCompression;
205 return 1;
206 }
207 if (memcmp(&header->biSize, png_sig_pattern, sizeof(png_sig_pattern)) == 0)
208 {
209 ERR("Cannot yet display PNG icons\n");
210 /* for PNG format details see https://en.wikipedia.org/wiki/PNG */
211 }
212 else
213 {
214 ERR("Unknown/wrong size for header of 0x%x\n", header->biSize );
215 }
216 return -1;
217}
218
219/* copy an icon bitmap, even when it can't be selected into a DC */
220/* helper for CreateIconIndirect */
221static void stretch_blt_icon(HDC hdc_dst, int dst_width, int dst_height, HBITMAP src)
222{
224 BITMAP bm;
225 HBITMAP hbmpPrev;
226
227 GetObjectW(src, sizeof(bm), &bm);
228
229 hbmpPrev = SelectObject(hdc, src);
230
231 if (!hbmpPrev) /* do it the hard way */
232 {
234 void *bits;
235
236 if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) return;
237 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
238 info->bmiHeader.biWidth = bm.bmWidth;
239 info->bmiHeader.biHeight = bm.bmHeight;
240 info->bmiHeader.biPlanes = GetDeviceCaps( hdc_dst, PLANES );
241 info->bmiHeader.biBitCount = GetDeviceCaps( hdc_dst, BITSPIXEL );
242 info->bmiHeader.biCompression = BI_RGB;
243 info->bmiHeader.biSizeImage = get_dib_image_size( bm.bmWidth, bm.bmHeight, info->bmiHeader.biBitCount );
244 info->bmiHeader.biXPelsPerMeter = 0;
245 info->bmiHeader.biYPelsPerMeter = 0;
246 info->bmiHeader.biClrUsed = 0;
247 info->bmiHeader.biClrImportant = 0;
248 bits = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage );
249 if (bits && GetDIBits( hdc, src, 0, bm.bmHeight, bits, info, DIB_RGB_COLORS ))
250 StretchDIBits( hdc_dst, 0, 0, dst_width, dst_height,
251 0, 0, bm.bmWidth, bm.bmHeight, bits, info, DIB_RGB_COLORS, SRCCOPY );
252
255 }
256 else
257 {
258 StretchBlt( hdc_dst, 0, 0, dst_width, dst_height, hdc, 0, 0, bm.bmWidth, bm.bmHeight, SRCCOPY );
259 SelectObject(hdc, hbmpPrev);
260 }
261
262 DeleteDC( hdc );
263}
264
265/***********************************************************************
266 * bmi_has_alpha
267 */
268static BOOL bmi_has_alpha( const BITMAPINFO *info, const void *bits )
269{
270 int i;
271 BOOL has_alpha = FALSE;
272 const unsigned char *ptr = bits;
273
274 if (info->bmiHeader.biBitCount != 32) return FALSE;
275 for (i = 0; i < info->bmiHeader.biWidth * abs(info->bmiHeader.biHeight); i++, ptr += 4)
276 if ((has_alpha = (ptr[3] != 0))) break;
277 return has_alpha;
278}
279
280/***********************************************************************
281 * create_alpha_bitmap
282 *
283 * Create the alpha bitmap for a 32-bpp icon that has an alpha channel.
284 */
285static
289 _In_opt_ BITMAPINFO *src_info,
290 _In_opt_ const void *color_bits,
293{
295 HDC hdc = NULL, hdcScreen;
296 unsigned char *ptr;
297 void *bits = NULL;
298 ULONG size;
299
300 hdcScreen = CreateDCW(DISPLAYW, NULL, NULL, NULL);
301 if (!hdcScreen)
302 return NULL;
303 hdc = CreateCompatibleDC(hdcScreen);
304 if (!hdc)
305 {
306 DeleteDC(hdcScreen);
307 return NULL;
308 }
309
310 if (color)
311 {
312 BITMAP bm;
314
315 TRACE("Creating alpha bitmap from existing bitmap.\n");
316
317 if (!GetObjectW( color, sizeof(bm), &bm ))
318 goto done;
319 if (bm.bmBitsPixel != 32)
320 goto done;
321
322 size = get_dib_image_size(bm.bmWidth, bm.bmHeight, 32);
323
324 info = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(BITMAPINFO, bmiColors[256]));
325 if(!info)
326 goto done;
327 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
328 info->bmiHeader.biWidth = bm.bmWidth;
329 info->bmiHeader.biHeight = -bm.bmHeight;
330 info->bmiHeader.biPlanes = 1;
331 info->bmiHeader.biBitCount = 32;
332 info->bmiHeader.biCompression = BI_RGB;
333 info->bmiHeader.biSizeImage = size;
334 info->bmiHeader.biXPelsPerMeter = 0;
335 info->bmiHeader.biYPelsPerMeter = 0;
336 info->bmiHeader.biClrUsed = 0;
337 info->bmiHeader.biClrImportant = 0;
338
340 if(!bits)
341 {
343 goto done;
344 }
345 if(!GetDIBits( hdc, color, 0, bm.bmHeight, bits, info, DIB_RGB_COLORS ))
346 {
348 goto done;
349 }
350 if (!bmi_has_alpha( info, bits ))
351 {
353 goto done;
354 }
355
356 /* pre-multiply by alpha */
357 for (ptr = bits; ptr < ((BYTE*)bits + size); ptr += 4)
358 {
359 unsigned int alpha = ptr[3];
360 ptr[0] = (ptr[0] * alpha) / 255;
361 ptr[1] = (ptr[1] * alpha) / 255;
362 ptr[2] = (ptr[2] * alpha) / 255;
363 }
364
365 /* Directly create a 32-bits DDB (thanks to undocumented CreateDIBitmap flag). */
367
369 }
370 else
371 {
372 WORD bpp;
373 DWORD compr;
374 LONG orig_width, orig_height;
375
376 TRACE("Creating alpha bitmap from bitmap info.\n");
377
378 if(!bmi_has_alpha(src_info, color_bits))
379 goto done;
380
381 if(!DIB_GetBitmapInfo(&src_info->bmiHeader, &orig_width, &orig_height, &bpp, &compr))
382 goto done;
383 if(bpp != 32)
384 goto done;
385
386 size = get_dib_image_size(orig_width, orig_height, bpp);
388 if(!bits)
389 goto done;
390 CopyMemory(bits, color_bits, size);
391 /* pre-multiply by alpha */
392 for (ptr = bits; ptr < ((BYTE*)bits + size); ptr += 4)
393 {
394 unsigned int alpha = ptr[3];
395 ptr[0] = (ptr[0] * alpha) / 255;
396 ptr[1] = (ptr[1] * alpha) / 255;
397 ptr[2] = (ptr[2] * alpha) / 255;
398 }
399
400 /* Create the bitmap. Set the bitmap info to have the right width and height */
401 if(src_info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
402 {
403 ((BITMAPCOREHEADER*)&src_info->bmiHeader)->bcWidth = width;
404 ((BITMAPCOREHEADER*)&src_info->bmiHeader)->bcHeight = height;
405 }
406 else
407 {
408 src_info->bmiHeader.biWidth = width;
409 src_info->bmiHeader.biHeight = height;
410 }
411 /* Directly create a 32-bits DDB (thanks to undocumented CreateDIBitmap flag). */
412 alpha = CreateDIBitmap(hdcScreen, NULL, 2, NULL, src_info, DIB_RGB_COLORS);
413 /* Restore values */
414 if(src_info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
415 {
416 ((BITMAPCOREHEADER*)&src_info->bmiHeader)->bcWidth = orig_width;
417 ((BITMAPCOREHEADER*)&src_info->bmiHeader)->bcHeight = orig_height;
418 }
419 else
420 {
421 src_info->bmiHeader.biWidth = orig_width;
422 src_info->bmiHeader.biHeight = orig_height;
423 }
424 if(!alpha)
425 goto done;
427 if(!hbmpOld)
428 {
430 alpha = NULL;
431 goto done;
432 }
433 if(!StretchDIBits( hdc, 0, 0, width, height,
434 0, 0, orig_width, orig_height,
435 bits, src_info, DIB_RGB_COLORS, SRCCOPY ))
436 {
438 hbmpOld = NULL;
440 alpha = NULL;
441 }
442 else
443 {
445 }
446 }
447
448done:
449 DeleteDC(hdcScreen);
450 DeleteDC( hdc );
451 if(bits) HeapFree(GetProcessHeap(), 0, bits);
452
453 TRACE("Returning 0x%08x.\n", alpha);
454 return alpha;
455}
456
457#include "pshpack1.h"
458
459typedef struct {
460 BYTE bWidth;
461 BYTE bHeight;
462 BYTE bColorCount;
463 BYTE bReserved;
464 WORD xHotspot;
465 WORD yHotspot;
466 DWORD dwDIBSize;
467 DWORD dwDIBOffset;
469
470typedef struct
471{
472 WORD idReserved;
473 WORD idType;
474 WORD idCount;
475 CURSORICONFILEDIRENTRY idEntries[1];
477
478#include "poppack.h"
479
484 _In_ int cxDesired,
485 _In_ int cyDesired,
486 _In_ BOOL bIcon,
487 _In_ DWORD fuLoad
488)
489{
490 CURSORICONDIR* fakeDir;
491 CURSORICONDIRENTRY* fakeEntry;
492 WORD i;
494
495 /* Check our file is what it claims to be */
496 if ( dwFileSize < sizeof(*dir) )
497 return NULL;
498
499 if (dwFileSize < FIELD_OFFSET(CURSORICONFILEDIR, idEntries[dir->idCount]))
500 return NULL;
501
502 /*
503 * Cute little hack:
504 * We allocate a buffer, fake it as if it was a pointer to a resource in a module,
505 * pass it to LookupIconIdFromDirectoryEx and get back the index we have to use
506 */
507 fakeDir = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(CURSORICONDIR, idEntries[dir->idCount]));
508 if(!fakeDir)
509 {
511 return NULL;
512 }
513 fakeDir->idReserved = 0;
514 fakeDir->idType = dir->idType;
515 fakeDir->idCount = dir->idCount;
516 for(i = 0; i<dir->idCount; i++)
517 {
518 fakeEntry = &fakeDir->idEntries[i];
519 entry = &dir->idEntries[i];
520 /* Take this as an occasion to perform a size check */
521 if ((entry->dwDIBOffset > dwFileSize)
522 || ((entry->dwDIBOffset + entry->dwDIBSize) > dwFileSize))
523 {
524 ERR("Corrupted icon file?.\n");
525 HeapFree(GetProcessHeap(), 0, fakeDir);
526 return NULL;
527 }
528 /* File icon/cursors are not like resource ones */
529 if(bIcon)
530 {
531 fakeEntry->ResInfo.icon.bWidth = entry->bWidth;
532 fakeEntry->ResInfo.icon.bHeight = entry->bHeight;
533 fakeEntry->ResInfo.icon.bColorCount = 0;
534 fakeEntry->ResInfo.icon.bReserved = 0;
535 }
536 else
537 {
538 fakeEntry->ResInfo.cursor.wWidth = entry->bWidth;
539 fakeEntry->ResInfo.cursor.wHeight = entry->bHeight;
540 }
541 /* Let's assume there's always one plane */
542 fakeEntry->wPlanes = 1;
543 /* We must get the bitcount from the BITMAPINFOHEADER itself */
544 if (((BITMAPINFOHEADER *)((char *)dir + entry->dwDIBOffset))->biSize == sizeof(BITMAPCOREHEADER))
545 fakeEntry->wBitCount = ((BITMAPCOREHEADER *)((char *)dir + entry->dwDIBOffset))->bcBitCount;
546 else
547 fakeEntry->wBitCount = ((BITMAPINFOHEADER *)((char *)dir + entry->dwDIBOffset))->biBitCount;
548 fakeEntry->dwBytesInRes = entry->dwDIBSize;
549 fakeEntry->wResId = i + 1;
550 }
551
552 /* Now call LookupIconIdFromResourceEx */
553 i = LookupIconIdFromDirectoryEx((PBYTE)fakeDir, bIcon, cxDesired, cyDesired, fuLoad & LR_MONOCHROME);
554 /* We don't need this anymore */
555 HeapFree(GetProcessHeap(), 0, fakeDir);
556 if(i == 0)
557 {
558 WARN("Unable to get a fit entry index.\n");
559 return NULL;
560 }
561
562 /* We found it */
563 return &dir->idEntries[i-1];
564}
565
566DWORD
568 _In_ const LPBYTE dir,
570 _In_ int cxDesired,
571 _In_ int cyDesired,
572 _In_ BOOL bIcon,
573 _In_ DWORD fuLoad,
574 _Out_ POINT *ptHotSpot
575)
576{
578
579 entry = get_best_icon_file_entry((CURSORICONFILEDIR *) dir, dwFileSize, cxDesired, cyDesired, bIcon, fuLoad);
580
581 if(ptHotSpot)
582 {
583 ptHotSpot->x = entry->xHotspot;
584 ptHotSpot->y = entry->yHotspot;
585 }
586
587 if(entry)
588 return entry->dwDIBOffset;
589
590 return 0;
591}
592
593
594
595/************* IMPLEMENTATION CORE ****************/
596
599 _In_ const BITMAPINFO *pbmi
600)
601{
603 BOOL monochrome = is_dib_monochrome(pbmi);
605 WORD bpp;
606 DWORD compr;
607 int ibmpType;
608 HDC hdc, hdcScreen;
609 BITMAPINFO* pbmiCopy;
611 BOOL bResult = FALSE;
612 const VOID *pvColor, *pvMask;
613
614 ibmpType = DIB_GetBitmapInfo(&pbmi->bmiHeader, &width, &height, &bpp, &compr);
615 /* Invalid data */
616 if(ibmpType < 0)
617 return FALSE;
618
619 /* No compression for icons */
620 if(compr != BI_RGB)
621 return FALSE;
622
623 /* If no dimensions were set, use the one from the icon */
624 if(!pdata->cx) pdata->cx = width;
625 if(!pdata->cy) pdata->cy = height < 0 ? -height/2 : height/2;
626
627 /* Fix the hotspot coords */
628 if(pdata->rt == (USHORT)((ULONG_PTR)RT_CURSOR))
629 {
630 if(pdata->cx != width)
631 pdata->xHotspot = (pdata->xHotspot * pdata->cx) / width;
632 if(pdata->cy != height/2)
633 pdata->yHotspot = (pdata->yHotspot * pdata->cy * 2) / height;
634 }
635 else
636 {
637 pdata->xHotspot = pdata->cx/2;
638 pdata->yHotspot = pdata->cy/2;
639 }
640
641 hdcScreen = CreateDCW(DISPLAYW, NULL, NULL, NULL);
642 if(!hdcScreen)
643 return FALSE;
644 hdc = CreateCompatibleDC(hdcScreen);
645 if(!hdc)
646 {
647 DeleteDC(hdcScreen);
648 return FALSE;
649 }
650
651 pbmiCopy = HeapAlloc(GetProcessHeap(), 0, max(ubmiSize, FIELD_OFFSET(BITMAPINFO, bmiColors[3])));
652 if(!pbmiCopy)
653 goto done;
654 RtlCopyMemory(pbmiCopy, pbmi, ubmiSize);
655
656 /* In an icon/cursor, the BITMAPINFO holds twice the height */
657 if(pbmiCopy->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
658 ((BITMAPCOREHEADER*)&pbmiCopy->bmiHeader)->bcHeight /= 2;
659 else
660 pbmiCopy->bmiHeader.biHeight /= 2;
661 height /= 2;
662
663 pvColor = (const char*)pbmi + ubmiSize;
664 pvMask = (const char*)pvColor +
666
667 /* Set XOR bits */
668 if(monochrome)
669 {
670 /* Create the 1bpp bitmap which will contain everything */
671 pdata->hbmColor = NULL;
672 pdata->hbmMask = CreateBitmap(pdata->cx, pdata->cy * 2, 1, 1, NULL);
673 if(!pdata->hbmMask)
674 goto done;
675 hbmpOld = SelectObject(hdc, pdata->hbmMask);
676 if(!hbmpOld)
677 goto done;
678
679 if(!StretchDIBits(hdc, 0, pdata->cy, pdata->cx, pdata->cy,
680 0, 0, width, height,
681 pvColor, pbmiCopy, DIB_RGB_COLORS, SRCCOPY))
682 goto done;
683 pdata->bpp = 1;
684 }
685 else
686 {
687 /* Create the bitmap. It has to be compatible with the screen surface */
688 pdata->hbmColor = CreateCompatibleBitmap(hdcScreen, pdata->cx, pdata->cy);
689 if(!pdata->hbmColor)
690 goto done;
691 /* Create the 1bpp mask bitmap */
692 pdata->hbmMask = CreateBitmap(pdata->cx, pdata->cy, 1, 1, NULL);
693 if(!pdata->hbmMask)
694 goto done;
695 hbmpOld = SelectObject(hdc, pdata->hbmColor);
696 if(!hbmpOld)
697 goto done;
698 if(!StretchDIBits(hdc, 0, 0, pdata->cx, pdata->cy,
699 0, 0, width, height,
700 pvColor, pbmiCopy, DIB_RGB_COLORS, SRCCOPY))
701 goto done;
702 pdata->bpp = GetDeviceCaps(hdcScreen, BITSPIXEL);
703 pdata->hbmAlpha = create_alpha_bitmap(NULL, pbmiCopy, pvColor, pdata->cx, pdata->cy);
704
705 /* Now convert the info to monochrome for the mask bits */
706 if (pbmiCopy->bmiHeader.biSize != sizeof(BITMAPCOREHEADER))
707 {
708 RGBQUAD *rgb = pbmiCopy->bmiColors;
709
710 pbmiCopy->bmiHeader.biClrUsed = pbmiCopy->bmiHeader.biClrImportant = 2;
711 rgb[0].rgbBlue = rgb[0].rgbGreen = rgb[0].rgbRed = 0x00;
712 rgb[1].rgbBlue = rgb[1].rgbGreen = rgb[1].rgbRed = 0xff;
713 rgb[0].rgbReserved = rgb[1].rgbReserved = 0;
714 pbmiCopy->bmiHeader.biBitCount = 1;
715 }
716 else
717 {
718 RGBTRIPLE *rgb = (RGBTRIPLE *)(((BITMAPCOREHEADER *)pbmiCopy) + 1);
719
720 rgb[0].rgbtBlue = rgb[0].rgbtGreen = rgb[0].rgbtRed = 0x00;
721 rgb[1].rgbtBlue = rgb[1].rgbtGreen = rgb[1].rgbtRed = 0xff;
722 ((BITMAPCOREHEADER*)&pbmiCopy->bmiHeader)->bcBitCount = 1;
723 }
724 }
725 /* Set the mask bits */
726 if(!SelectObject(hdc, pdata->hbmMask))
727 goto done;
728 bResult = StretchDIBits(hdc, 0, 0, pdata->cx, pdata->cy,
729 0, 0, width, height,
730 pvMask, pbmiCopy, DIB_RGB_COLORS, SRCCOPY) != 0;
731
732done:
733 DeleteDC(hdcScreen);
735 DeleteDC(hdc);
736 if(pbmiCopy) HeapFree(GetProcessHeap(), 0, pbmiCopy);
737 /* Clean up in case of failure */
738 if(!bResult)
739 {
740 if(pdata->hbmMask) DeleteObject(pdata->hbmMask);
741 if(pdata->hbmColor) DeleteObject(pdata->hbmColor);
742 if(pdata->hbmAlpha) DeleteObject(pdata->hbmAlpha);
743 }
744 return bResult;
745}
746
748 _Out_ CURSORDATA* pCursorData,
749 _In_ ICONINFO* pIconInfo
750)
751{
752 BITMAP bm;
753
754 ZeroMemory(pCursorData, sizeof(*pCursorData));
755 if(pIconInfo->hbmColor)
756 {
757 /* We must convert the color bitmap to screen format */
758 HDC hdcScreen, hdcMem;
759 HBITMAP hbmpPrev;
760
761 /* The mask dictates its dimensions */
762 if (!GetObject(pIconInfo->hbmMask, sizeof(bm), &bm))
763 return FALSE;
764 hdcScreen = CreateDCW(DISPLAYW, NULL, NULL, NULL);
765 if(!hdcScreen)
766 return FALSE;
767 hdcMem = CreateCompatibleDC(hdcScreen);
768 if(!hdcMem)
769 {
770 DeleteDC(hdcScreen);
771 return FALSE;
772 }
773 pCursorData->hbmColor = CreateCompatibleBitmap(hdcScreen, bm.bmWidth, bm.bmHeight);
774 DeleteDC(hdcScreen);
775 if (!pCursorData->hbmColor)
776 {
778 return FALSE;
779 }
780 hbmpPrev = SelectObject(hdcMem, pCursorData->hbmColor);
781 if (!hbmpPrev)
782 {
784 DeleteObject(pCursorData->hbmColor);
785 return FALSE;
786 }
787 stretch_blt_icon( hdcMem, bm.bmWidth, bm.bmHeight, pIconInfo->hbmColor);
788 SelectObject(hdcMem, hbmpPrev);
790 }
791 pCursorData->hbmMask = CopyImage(pIconInfo->hbmMask, IMAGE_BITMAP, 0, 0, LR_MONOCHROME);
792 if(!pCursorData->hbmMask)
793 return FALSE;
794
795 /* Now, fill some information */
796 pCursorData->rt = (USHORT)((ULONG_PTR)(pIconInfo->fIcon ? RT_ICON : RT_CURSOR));
797 if(pCursorData->hbmColor)
798 {
799 GetObject(pCursorData->hbmColor, sizeof(bm), &bm);
800 pCursorData->bpp = bm.bmBitsPixel;
801 pCursorData->cx = bm.bmWidth;
802 pCursorData->cy = bm.bmHeight;
803 if(pCursorData->bpp == 32)
804 pCursorData->hbmAlpha = create_alpha_bitmap(pCursorData->hbmColor, NULL, NULL, 0, 0);
805 }
806 else
807 {
808 GetObject(pCursorData->hbmMask, sizeof(bm), &bm);
809 pCursorData->bpp = 1;
810 pCursorData->cx = bm.bmWidth;
811 pCursorData->cy = bm.bmHeight/2;
812 }
813
814 if(pIconInfo->fIcon)
815 {
816 pCursorData->xHotspot = pCursorData->cx/2;
817 pCursorData->yHotspot = pCursorData->cy/2;
818 }
819 else
820 {
821 pCursorData->xHotspot = pIconInfo->xHotspot;
822 pCursorData->yHotspot = pIconInfo->yHotspot;
823 }
824
825 return TRUE;
826}
827
828
829#define RIFF_FOURCC( c0, c1, c2, c3 ) \
830 ( (DWORD)(BYTE)(c0) | ( (DWORD)(BYTE)(c1) << 8 ) | \
831 ( (DWORD)(BYTE)(c2) << 16 ) | ( (DWORD)(BYTE)(c3) << 24 ) )
832
833#define ANI_RIFF_ID RIFF_FOURCC('R', 'I', 'F', 'F')
834#define ANI_LIST_ID RIFF_FOURCC('L', 'I', 'S', 'T')
835#define ANI_ACON_ID RIFF_FOURCC('A', 'C', 'O', 'N')
836#define ANI_anih_ID RIFF_FOURCC('a', 'n', 'i', 'h')
837#define ANI_seq__ID RIFF_FOURCC('s', 'e', 'q', ' ')
838#define ANI_fram_ID RIFF_FOURCC('f', 'r', 'a', 'm')
839#define ANI_rate_ID RIFF_FOURCC('r', 'a', 't', 'e')
840
841#define ANI_FLAG_ICON 0x1
842#define ANI_FLAG_SEQUENCE 0x2
843
844#include <pshpack1.h>
845typedef struct {
846 DWORD header_size;
847 DWORD num_frames;
848 DWORD num_steps;
849 DWORD width;
851 DWORD bpp;
852 DWORD num_planes;
853 DWORD display_rate;
854 DWORD flags;
855} ani_header;
856
857typedef struct {
859 const unsigned char *data;
861#include <poppack.h>
862
863static void dump_ani_header( const ani_header *header )
864{
865 TRACE(" header size: %d\n", header->header_size);
866 TRACE(" frames: %d\n", header->num_frames);
867 TRACE(" steps: %d\n", header->num_steps);
868 TRACE(" width: %d\n", header->width);
869 TRACE(" height: %d\n", header->height);
870 TRACE(" bpp: %d\n", header->bpp);
871 TRACE(" planes: %d\n", header->num_planes);
872 TRACE(" display rate: %d\n", header->display_rate);
873 TRACE(" flags: 0x%08x\n", header->flags);
874}
875
876/* Find an animated cursor chunk, given its type and ID */
877static void riff_find_chunk( DWORD chunk_id, DWORD chunk_type, const riff_chunk_t *parent_chunk, riff_chunk_t *chunk )
878{
879 const unsigned char *ptr = parent_chunk->data;
880 const unsigned char *end = parent_chunk->data + (parent_chunk->data_size - (2 * sizeof(DWORD)));
881
882 if (chunk_type == ANI_LIST_ID || chunk_type == ANI_RIFF_ID) end -= sizeof(DWORD);
883
884 while (ptr < end)
885 {
886 if ((!chunk_type && *(const DWORD *)ptr == chunk_id )
887 || (chunk_type && *(const DWORD *)ptr == chunk_type && *((const DWORD *)ptr + 2) == chunk_id ))
888 {
889 ptr += sizeof(DWORD);
890 chunk->data_size = (*(const DWORD *)ptr + 1) & ~1;
891 ptr += sizeof(DWORD);
892 if (chunk_type == ANI_LIST_ID || chunk_type == ANI_RIFF_ID) ptr += sizeof(DWORD);
893 chunk->data = ptr;
894
895 return;
896 }
897
898 ptr += sizeof(DWORD);
899 ptr += (*(const DWORD *)ptr + 1) & ~1;
900 ptr += sizeof(DWORD);
901 }
902}
903
905 _Inout_ CURSORDATA* pCurData,
906 _In_ const BYTE *pData,
907 _In_ DWORD dwDataSize,
908 _In_ DWORD fuLoad
909)
910{
911 UINT i;
912 const ani_header *pHeader;
913 riff_chunk_t root_chunk = { dwDataSize, pData };
914 riff_chunk_t ACON_chunk = {0};
915 riff_chunk_t anih_chunk = {0};
916 riff_chunk_t fram_chunk = {0};
917 riff_chunk_t rate_chunk = {0};
918 riff_chunk_t seq_chunk = {0};
919 const unsigned char *icon_chunk;
920 const unsigned char *icon_data;
921
922 /* Find the root chunk */
923 riff_find_chunk( ANI_ACON_ID, ANI_RIFF_ID, &root_chunk, &ACON_chunk );
924 if (!ACON_chunk.data)
925 {
926 ERR("Failed to get root chunk.\n");
927 return FALSE;
928 }
929
930 /* Find the header chunk */
931 riff_find_chunk( ANI_anih_ID, 0, &ACON_chunk, &anih_chunk );
932 if (!ACON_chunk.data)
933 {
934 ERR("Failed to get header chunk.\n");
935 return FALSE;
936 }
937 pHeader = (ani_header*)anih_chunk.data;
939
940 /* Set up the master data */
941 pCurData->CURSORF_flags |= CURSORF_ACON;
942 pCurData->cpcur = pHeader->num_frames;
943 pCurData->cicur = pHeader->num_steps;
944 pCurData->iicur = pHeader->display_rate;
945
946 /* Get the sequences */
947 if (pHeader->flags & ANI_FLAG_SEQUENCE)
948 {
949 riff_find_chunk( ANI_seq__ID, 0, &ACON_chunk, &seq_chunk );
950 if (!seq_chunk.data)
951 {
952 ERR("No sequence data although the flag is set!\n");
953 return FALSE;
954 }
955 }
956
957 /* Get the frame rates */
958 riff_find_chunk( ANI_rate_ID, 0, &ACON_chunk, &rate_chunk );
959 if (rate_chunk.data)
960 pCurData->ajifRate = (INT*)rate_chunk.data;
961
962 /* Get the frames chunk */
963 riff_find_chunk( ANI_fram_ID, ANI_LIST_ID, &ACON_chunk, &fram_chunk );
964 if (!fram_chunk.data)
965 {
966 ERR("Failed to get icon list.\n");
967 return 0;
968 }
969 icon_chunk = fram_chunk.data;
970 icon_data = fram_chunk.data + (2 * sizeof(DWORD));
971
972 if(pHeader->num_frames > 1)
973 {
974 /* Allocate frame descriptors, step indices and rates */
975 pCurData->aspcur = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
976 pHeader->num_frames * sizeof(CURSORDATA) + pHeader->num_steps * (sizeof(DWORD) + sizeof(INT)));
977 if(!pCurData->aspcur)
978 {
980 return FALSE;
981 }
982 pCurData->aicur = (DWORD*)(pCurData->aspcur + pHeader->num_frames);
983 pCurData->ajifRate = (INT*)(pCurData->aicur + pHeader->num_steps);
984 }
985
986 for(i=0; i < pHeader->num_frames; i++)
987 {
988 CURSORDATA* pFrameData;
989 const DWORD chunk_size = *(const DWORD *)(icon_chunk + sizeof(DWORD));
990 const BITMAPINFO* pbmi;
991
992 if(pHeader->num_frames > 1)
993 pFrameData = &pCurData->aspcur[i];
994 else
995 pFrameData = pCurData;
996
997 pFrameData->rt = pCurData->rt;
998
999 if (pHeader->flags & ANI_FLAG_ICON)
1000 {
1001 /* The chunks describe an icon file */
1003 (const CURSORICONFILEDIR *) icon_data,
1004 chunk_size,
1005 pCurData->cx,
1006 pCurData->cy,
1007 TRUE,
1008 fuLoad);
1009 if(!pDirEntry)
1010 {
1011 ERR("Unable to find the right file entry for frame %d.\n", i);
1012 goto error;
1013 }
1014 pFrameData->xHotspot = pDirEntry->xHotspot;
1015 pFrameData->yHotspot = pDirEntry->yHotspot;
1016 if(!pHeader->width || !pHeader->height)
1017 {
1018 pFrameData->cx = pDirEntry->bWidth;
1019 pFrameData->cy = pDirEntry->bHeight;
1020 }
1021 else
1022 {
1023 pFrameData->cx = pHeader->width;
1024 pFrameData->cy = pHeader->height;
1025 }
1026 pbmi = (const BITMAPINFO *) (icon_data + pDirEntry->dwDIBOffset);
1027 }
1028 else
1029 {
1030 /* The chunks just describe bitmaps */
1031 pbmi = (const BITMAPINFO *)icon_data;
1032 pFrameData->xHotspot = pFrameData->yHotspot = 0;
1033 }
1034
1035 /* Do the real work */
1037
1038 if(pHeader->num_frames > 1)
1039 pFrameData->CURSORF_flags |= CURSORF_ACONFRAME;
1040 else
1041 pFrameData->CURSORF_flags &= ~CURSORF_ACON;
1042
1043
1044 /* Next frame */
1045 icon_chunk += chunk_size + (2 * sizeof(DWORD));
1046 icon_data = icon_chunk + (2 * sizeof(DWORD));
1047 }
1048
1049 if(pHeader->num_frames <= 1)
1050 return TRUE;
1051
1052 if(rate_chunk.data)
1053 CopyMemory(pCurData->ajifRate, rate_chunk.data, pHeader->num_steps * sizeof(INT));
1054 else
1055 {
1056 for(i=0; i < pHeader->num_steps; i++)
1057 pCurData->ajifRate[i] = pHeader->display_rate;
1058 }
1059
1060 if (pHeader->flags & ANI_FLAG_SEQUENCE)
1061 {
1062 CopyMemory(pCurData->aicur, seq_chunk.data, pHeader->num_steps * sizeof(DWORD));
1063 }
1064 else
1065 {
1066 for(i=0; i < pHeader->num_steps; i++)
1067 pCurData->aicur[i] = i;
1068 }
1069
1070 return TRUE;
1071
1072error:
1073 HeapFree(GetProcessHeap(), 0, pCurData->aspcur);
1074 ZeroMemory(pCurData, sizeof(CURSORDATA));
1075 return FALSE;
1076}
1077
1078
1079static
1080HBITMAP
1083 _In_ LPCWSTR lpszName,
1084 _In_ int cxDesired,
1085 _In_ int cyDesired,
1086 _In_ UINT fuLoad
1087)
1088{
1089 const BITMAPINFO* pbmi;
1090 BITMAPINFO* pbmiScaled = NULL;
1091 BITMAPINFO* pbmiCopy = NULL;
1092 const VOID* pvMapping = NULL;
1093 DWORD dwOffset = 0;
1094 HGLOBAL hgRsrc = NULL;
1095 int iBMISize;
1096 PVOID pvBits;
1097 HDC hdcScreen = NULL;
1098 HDC hdc = NULL;
1099 HBITMAP hbmpOld, hbmpRet = NULL;
1100 LONG width, height;
1101 WORD bpp;
1102 DWORD compr;
1103
1104 /* Map the bitmap info */
1105 if(fuLoad & LR_LOADFROMFILE)
1106 {
1107 const BITMAPFILEHEADER* pbmfh;
1108
1109 pvMapping = map_fileW(lpszName, NULL);
1110 if(!pvMapping)
1111 return NULL;
1112 pbmfh = pvMapping;
1113 if (pbmfh->bfType != 0x4d42 /* 'BM' */)
1114 {
1115 WARN("Invalid/unsupported bitmap format!\n");
1116 goto end;
1117 }
1118 pbmi = (const BITMAPINFO*)(pbmfh + 1);
1119
1120 /* Get the image bits */
1121 if(pbmfh->bfOffBits)
1122 dwOffset = pbmfh->bfOffBits - sizeof(BITMAPFILEHEADER);
1123 }
1124 else
1125 {
1126 HRSRC hrsrc;
1127
1128 /* Caller wants an OEM bitmap */
1129 if(!hinst)
1131 hrsrc = FindResourceW(hinst, lpszName, RT_BITMAP);
1132 if(!hrsrc)
1133 return NULL;
1134 hgRsrc = LoadResource(hinst, hrsrc);
1135 if(!hgRsrc)
1136 return NULL;
1137 pbmi = LockResource(hgRsrc);
1138 if(!pbmi)
1139 return NULL;
1140 }
1141
1142 /* Fix up values */
1143 if(DIB_GetBitmapInfo(&pbmi->bmiHeader, &width, &height, &bpp, &compr) == -1)
1144 goto end;
1145 if((width > 65535) || (height > 65535))
1146 goto end;
1147 if(cxDesired == 0)
1148 cxDesired = width;
1149 if(cyDesired == 0)
1150 cyDesired = height;
1151 else if(height < 0)
1152 cyDesired = -cyDesired;
1153
1155
1156 /* Get a pointer to the image data */
1157 pvBits = (char*)pbmi + (dwOffset ? dwOffset : iBMISize);
1158
1159 /* Create a copy of the info describing the bitmap in the file */
1160 pbmiCopy = HeapAlloc(GetProcessHeap(), 0, iBMISize);
1161 if(!pbmiCopy)
1162 goto end;
1163 CopyMemory(pbmiCopy, pbmi, iBMISize);
1164
1165 /* Fix it up, if needed */
1166 if(fuLoad & (LR_LOADTRANSPARENT | LR_LOADMAP3DCOLORS))
1167 {
1168 WORD bpp, incr, numColors;
1169 char* pbmiColors;
1170 RGBTRIPLE* ptr;
1171 COLORREF crWindow, cr3DShadow, cr3DFace, cr3DLight;
1172 BYTE pixel = *((BYTE*)pvBits);
1173 UINT i;
1174
1175 if(pbmiCopy->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
1176 {
1177 bpp = ((BITMAPCOREHEADER*)&pbmiCopy->bmiHeader)->bcBitCount;
1178 numColors = 1 << bpp;
1179 /* BITMAPCOREINFO holds RGBTRIPLEs */
1180 incr = 3;
1181 }
1182 else
1183 {
1184 bpp = pbmiCopy->bmiHeader.biBitCount;
1185 /* BITMAPINFOHEADER holds RGBQUADs */
1186 incr = 4;
1187 numColors = pbmiCopy->bmiHeader.biClrUsed;
1188 if(numColors > 256) numColors = 256;
1189 if (!numColors && (bpp <= 8)) numColors = 1 << bpp;
1190 }
1191
1192 if(bpp > 8)
1193 goto create_bitmap;
1194
1195 pbmiColors = (char*)pbmiCopy + pbmiCopy->bmiHeader.biSize;
1196
1197 /* Get the relevant colors */
1198 crWindow = GetSysColor(COLOR_WINDOW);
1199 cr3DShadow = GetSysColor(COLOR_3DSHADOW);
1200 cr3DFace = GetSysColor(COLOR_3DFACE);
1201 cr3DLight = GetSysColor(COLOR_3DLIGHT);
1202
1203 /* Fix the transparent palette entry */
1204 if(fuLoad & LR_LOADTRANSPARENT)
1205 {
1206 switch(bpp)
1207 {
1208 case 1: pixel >>= 7; break;
1209 case 4: pixel >>= 4; break;
1210 case 8: break;
1211 default:
1212 FIXME("Unhandled bit depth %d.\n", bpp);
1213 goto create_bitmap;
1214 }
1215
1216 if(pixel >= numColors)
1217 {
1218 ERR("Wrong pixel passed in.\n");
1219 goto create_bitmap;
1220 }
1221
1222 /* If both flags are set, we must use COLOR_3DFACE */
1223 if(fuLoad & LR_LOADMAP3DCOLORS) crWindow = cr3DFace;
1224
1225 /* Define the color */
1226 ptr = (RGBTRIPLE*)(pbmiColors + pixel*incr);
1227 ptr->rgbtBlue = GetBValue(crWindow);
1228 ptr->rgbtGreen = GetGValue(crWindow);
1229 ptr->rgbtRed = GetRValue(crWindow);
1230 goto create_bitmap;
1231 }
1232
1233 /* If we are here, then LR_LOADMAP3DCOLORS is set without LR_TRANSPARENT */
1234 for(i = 0; i<numColors; i++)
1235 {
1236 ptr = (RGBTRIPLE*)(pbmiColors + i*incr);
1237 if((ptr->rgbtBlue == ptr->rgbtRed) && (ptr->rgbtBlue == ptr->rgbtGreen))
1238 {
1239 if(ptr->rgbtBlue == 128)
1240 {
1241 ptr->rgbtBlue = GetBValue(cr3DShadow);
1242 ptr->rgbtGreen = GetGValue(cr3DShadow);
1243 ptr->rgbtRed = GetRValue(cr3DShadow);
1244 }
1245 if(ptr->rgbtBlue == 192)
1246 {
1247 ptr->rgbtBlue = GetBValue(cr3DFace);
1248 ptr->rgbtGreen = GetGValue(cr3DFace);
1249 ptr->rgbtRed = GetRValue(cr3DFace);
1250 }
1251 if(ptr->rgbtBlue == 223)
1252 {
1253 ptr->rgbtBlue = GetBValue(cr3DLight);
1254 ptr->rgbtGreen = GetGValue(cr3DLight);
1255 ptr->rgbtRed = GetRValue(cr3DLight);
1256 }
1257 }
1258 }
1259 }
1260
1262 if(fuLoad & LR_CREATEDIBSECTION)
1263 {
1264 /* Allocate the BMI describing the new bitmap */
1265 pbmiScaled = HeapAlloc(GetProcessHeap(), 0, iBMISize);
1266 if(!pbmiScaled)
1267 goto end;
1268 CopyMemory(pbmiScaled, pbmiCopy, iBMISize);
1269
1270 /* Fix it up */
1271 if(pbmiScaled->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
1272 {
1273 BITMAPCOREHEADER* pbmch = (BITMAPCOREHEADER*)&pbmiScaled->bmiHeader;
1274 pbmch->bcWidth = cxDesired;
1275 pbmch->bcHeight = cyDesired;
1276 }
1277 else
1278 {
1279 pbmiScaled->bmiHeader.biWidth = cxDesired;
1280 pbmiScaled->bmiHeader.biHeight = cyDesired;
1281 /* No compression for DIB sections */
1282 pbmiScaled->bmiHeader.biCompression = BI_RGB;
1283 }
1284 }
1285
1286 /* Top-down image */
1287 if(cyDesired < 0) cyDesired = -cyDesired;
1288
1289 /* We need a device context */
1290 hdcScreen = CreateDCW(DISPLAYW, NULL, NULL, NULL);
1291 if(!hdcScreen)
1292 goto end;
1293 hdc = CreateCompatibleDC(hdcScreen);
1294 if(!hdc)
1295 goto end;
1296
1297 /* Now create the bitmap */
1298 if(fuLoad & LR_CREATEDIBSECTION)
1299 hbmpRet = CreateDIBSection(hdc, pbmiScaled, DIB_RGB_COLORS, NULL, 0, 0);
1300 else
1301 {
1302 if(is_dib_monochrome(pbmiCopy) || (fuLoad & LR_MONOCHROME))
1303 hbmpRet = CreateBitmap(cxDesired, cyDesired, 1, 1, NULL);
1304 else
1305 hbmpRet = CreateCompatibleBitmap(hdcScreen, cxDesired, cyDesired);
1306 }
1307
1308 if(!hbmpRet)
1309 goto end;
1310
1311 hbmpOld = SelectObject(hdc, hbmpRet);
1312 if(!hbmpOld)
1313 goto end;
1314 if(!StretchDIBits(hdc, 0, 0, cxDesired, cyDesired,
1315 0, 0, width, height,
1316 pvBits, pbmiCopy, DIB_RGB_COLORS, SRCCOPY))
1317 {
1318 ERR("StretchDIBits failed!.\n");
1320 DeleteObject(hbmpRet);
1321 hbmpRet = NULL;
1322 goto end;
1323 }
1324
1326
1327end:
1328 if(hdcScreen)
1329 DeleteDC(hdcScreen);
1330 if(hdc)
1331 DeleteDC(hdc);
1332 if(pbmiScaled)
1333 HeapFree(GetProcessHeap(), 0, pbmiScaled);
1334 if(pbmiCopy)
1335 HeapFree(GetProcessHeap(), 0, pbmiCopy);
1336 if (pvMapping)
1337 UnmapViewOfFile( pvMapping );
1338 if(hgRsrc)
1339 FreeResource(hgRsrc);
1340
1341 return hbmpRet;
1342}
1343
1344
1345static
1346HANDLE
1348 _In_ LPCWSTR lpszName,
1349 _In_ int cxDesired,
1350 _In_ int cyDesired,
1351 _In_ UINT fuLoad,
1352 _In_ BOOL bIcon
1353)
1354{
1356 const CURSORICONFILEDIR *dir;
1357 DWORD filesize = 0;
1358 LPBYTE bits;
1359 HANDLE hCurIcon = NULL;
1360 CURSORDATA cursorData;
1361
1362 TRACE("loading %s\n", debugstr_w( lpszName ));
1363
1364 bits = map_fileW( lpszName, &filesize );
1365 if (!bits)
1366 return NULL;
1367
1368 /* Check for .ani. */
1369 if (memcmp( bits, "RIFF", 4 ) == 0)
1370 {
1372 goto end;
1373 }
1374
1376 entry = get_best_icon_file_entry(dir, filesize, cxDesired, cyDesired, bIcon, fuLoad);
1377 if(!entry)
1378 goto end;
1379
1380 /* Fix dimensions */
1381 if(!cxDesired) cxDesired = entry->bWidth;
1382 if(!cyDesired) cyDesired = entry->bHeight;
1383 /* A bit of preparation */
1384 ZeroMemory(&cursorData, sizeof(cursorData));
1385 if(!bIcon)
1386 {
1387 cursorData.xHotspot = entry->xHotspot;
1388 cursorData.yHotspot = entry->yHotspot;
1389 }
1390 cursorData.rt = (USHORT)((ULONG_PTR)(bIcon ? RT_ICON : RT_CURSOR));
1391
1392 /* Do the dance */
1393 if(!CURSORICON_GetCursorDataFromBMI(&cursorData, (BITMAPINFO*)(&bits[entry->dwDIBOffset])))
1394 {
1395 ERR("Failing File is \n '%S'.\n", lpszName);
1396 goto end;
1397 }
1398
1400 if(!hCurIcon)
1401 goto end;
1402
1403 /* Tell win32k */
1404 if(!NtUserSetCursorIconData(hCurIcon, NULL, NULL, &cursorData))
1405 {
1406 NtUserDestroyCursor(hCurIcon, TRUE);
1407 goto end_error;
1408 }
1409
1410end:
1412 return hCurIcon;
1413
1414 /* Clean up */
1415end_error:
1416 DeleteObject(cursorData.hbmMask);
1417 if(cursorData.hbmColor) DeleteObject(cursorData.hbmColor);
1418 if(cursorData.hbmAlpha) DeleteObject(cursorData.hbmAlpha);
1420
1421 return NULL;
1422}
1423
1424static
1425HANDLE
1428 _In_ LPCWSTR lpszName,
1429 _In_ int cxDesired,
1430 _In_ int cyDesired,
1431 _In_ UINT fuLoad,
1432 _In_ BOOL bIcon
1433)
1434{
1435 HRSRC hrsrc;
1436 HANDLE handle, hCurIcon = NULL;
1438 WORD wResId;
1439 LPBYTE bits;
1440 CURSORDATA cursorData;
1441 BOOL bStatus;
1442 UNICODE_STRING ustrRsrc;
1443 UNICODE_STRING ustrModule = {0, 0, NULL};
1444
1445 /* Fix width/height */
1446 if(fuLoad & LR_DEFAULTSIZE)
1447 {
1448 if(!cxDesired) cxDesired = GetSystemMetrics(bIcon ? SM_CXICON : SM_CXCURSOR);
1449 if(!cyDesired) cyDesired = GetSystemMetrics(bIcon ? SM_CYICON : SM_CYCURSOR);
1450 }
1451
1452 if(fuLoad & LR_LOADFROMFILE)
1453 {
1454 return CURSORICON_LoadFromFileW(lpszName, cxDesired, cyDesired, fuLoad, bIcon);
1455 }
1456
1457 /* Check if caller wants OEM icons */
1458 if(!hinst)
1460
1461 if(lpszName)
1462 {
1463 /* Prepare the resource name string */
1464 if(IS_INTRESOURCE(lpszName))
1465 {
1466 ustrRsrc.Buffer = (LPWSTR)lpszName;
1467 ustrRsrc.Length = 0;
1468 ustrRsrc.MaximumLength = 0;
1469 }
1470 else
1471 RtlInitUnicodeString(&ustrRsrc, lpszName);
1472 }
1473
1475 {
1476 /* We don't have a real module for GetModuleFileName, construct a fake name instead.
1477 * GetIconInfoEx reveals the name used by Windows. */
1478 LPCWSTR fakeNameFmt = sizeof(void*) > 4 ? L"\x01%016IX" : L"\x01%08IX";
1479 ustrModule.MaximumLength = 18 * sizeof(WCHAR);
1480 ustrModule.Buffer = HeapAlloc(GetProcessHeap(), 0, ustrModule.MaximumLength);
1481 if (!ustrModule.Buffer)
1482 {
1484 return NULL;
1485 }
1486 ustrModule.Length = wsprintfW(ustrModule.Buffer, fakeNameFmt, hinst) * sizeof(WCHAR);
1487 }
1488 else if(hinst)
1489 {
1491 /* Get the module name string */
1492 while (TRUE)
1493 {
1494 DWORD ret;
1495 ustrModule.Buffer = HeapAlloc(GetProcessHeap(), 0, size*sizeof(WCHAR));
1496 if (!ustrModule.Buffer)
1497 {
1499 return NULL;
1500 }
1501 ret = GetModuleFileNameW(hinst, ustrModule.Buffer, size);
1502 if(ret == 0)
1503 {
1504 HeapFree(GetProcessHeap(), 0, ustrModule.Buffer);
1505 return NULL;
1506 }
1507
1508 /* This API is completely broken... */
1509 if (ret == size)
1510 {
1511 HeapFree(GetProcessHeap(), 0, ustrModule.Buffer);
1512 size *= 2;
1513 continue;
1514 }
1515
1516 ustrModule.Buffer[ret] = UNICODE_NULL;
1517 ustrModule.Length = ret * sizeof(WCHAR);
1518 ustrModule.MaximumLength = size * sizeof(WCHAR);
1519 break;
1520 }
1521 }
1522
1523 if(fuLoad & LR_SHARED)
1524 {
1526
1527 TRACE("Checking for an LR_SHARED cursor/icon.\n");
1528 /* Ask win32k */
1529 param.bIcon = bIcon;
1530 param.cx = cxDesired;
1531 param.cy = cyDesired;
1532 hCurIcon = NtUserFindExistingCursorIcon(&ustrModule, &ustrRsrc, &param);
1533 if(hCurIcon)
1534 {
1535 /* Woohoo, got it! */
1536 TRACE("MATCH! %p\n",hCurIcon);
1537 HeapFree(GetProcessHeap(), 0, ustrModule.Buffer);
1538 return hCurIcon;
1539 }
1540 }
1541
1542 /* Find resource ID */
1543 hrsrc = FindResourceW(
1544 hinst,
1545 lpszName,
1546 bIcon ? RT_GROUP_ICON : RT_GROUP_CURSOR);
1547
1548 /* We let FindResource, LoadResource, etc. call SetLastError */
1549 if(!hrsrc)
1550 goto done;
1551
1552 handle = LoadResource(hinst, hrsrc);
1553 if(!handle)
1554 goto done;
1555
1557 if(!dir)
1558 goto done;
1559
1560 wResId = LookupIconIdFromDirectoryEx((PBYTE)dir, bIcon, cxDesired, cyDesired, fuLoad);
1562
1563 /* Get the relevant resource pointer */
1564 hrsrc = FindResourceW(
1565 hinst,
1566 MAKEINTRESOURCEW(wResId),
1567 bIcon ? RT_ICON : RT_CURSOR);
1568 if(!hrsrc)
1569 goto done;
1570
1571 handle = LoadResource(hinst, hrsrc);
1572 if(!handle)
1573 goto done;
1574
1576 if(!bits)
1577 {
1579 goto done;
1580 }
1581
1582 ZeroMemory(&cursorData, sizeof(cursorData));
1583
1584 /* This is from resource */
1586
1587 if(dir->idType == 2)
1588 {
1589 /* idType == 2 for cursor resources */
1590 SHORT* ptr = (SHORT*)bits;
1591 cursorData.xHotspot = ptr[0];
1592 cursorData.yHotspot = ptr[1];
1593 bits += 2*sizeof(SHORT);
1594 }
1595 cursorData.cx = cxDesired;
1596 cursorData.cy = cyDesired;
1597 cursorData.rt = (USHORT)((ULONG_PTR)(bIcon ? RT_ICON : RT_CURSOR));
1598
1599 /* Get the bitmaps */
1601 &cursorData,
1602 (BITMAPINFO*)bits);
1603
1605
1606 if(!bStatus)
1607 goto done;
1608
1609 /* Create the handle */
1611 if(!hCurIcon)
1612 {
1613 goto end_error;
1614 }
1615
1616 if(fuLoad & LR_SHARED)
1617 {
1618 cursorData.CURSORF_flags |= CURSORF_LRSHARED;
1619 }
1620
1621 /* Tell win32k */
1622 bStatus = NtUserSetCursorIconData(hCurIcon, hinst ? &ustrModule : NULL, lpszName ? &ustrRsrc : NULL, &cursorData);
1623
1624 if(!bStatus)
1625 {
1626 NtUserDestroyCursor(hCurIcon, TRUE);
1627 goto end_error;
1628 }
1629
1630done:
1631 if(ustrModule.Buffer)
1632 HeapFree(GetProcessHeap(), 0, ustrModule.Buffer);
1633 return hCurIcon;
1634
1635end_error:
1636 if(ustrModule.Buffer)
1637 HeapFree(GetProcessHeap(), 0, ustrModule.Buffer);
1638 DeleteObject(cursorData.hbmMask);
1639 if(cursorData.hbmColor) DeleteObject(cursorData.hbmColor);
1640 if(cursorData.hbmAlpha) DeleteObject(cursorData.hbmAlpha);
1641
1642 return NULL;
1643}
1644
1645static
1646HBITMAP
1648 _In_ HBITMAP hnd,
1649 _In_ int desiredx,
1650 _In_ int desiredy,
1652)
1653{
1654 HBITMAP res = NULL;
1655 DIBSECTION ds;
1656 int objSize;
1657 BITMAPINFO * bi;
1658
1659 objSize = GetObjectW( hnd, sizeof(ds), &ds );
1660 if (!objSize) return 0;
1661 if ((desiredx < 0) || (desiredy < 0)) return 0;
1662
1664 {
1665 FIXME("The flag LR_COPYFROMRESOURCE is not implemented for bitmaps\n");
1666 }
1667
1668 if (flags & LR_COPYRETURNORG)
1669 {
1670 FIXME("The flag LR_COPYRETURNORG is not implemented for bitmaps\n");
1671 }
1672
1673 if (desiredx == 0) desiredx = ds.dsBm.bmWidth;
1674 if (desiredy == 0) desiredy = ds.dsBm.bmHeight;
1675
1676 /* Allocate memory for a BITMAPINFOHEADER structure and a
1677 color table. The maximum number of colors in a color table
1678 is 256 which corresponds to a bitmap with depth 8.
1679 Bitmaps with higher depths don't have color tables. */
1680 bi = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
1681 if (!bi) return 0;
1682
1683 bi->bmiHeader.biSize = sizeof(bi->bmiHeader);
1684 bi->bmiHeader.biPlanes = ds.dsBm.bmPlanes;
1685 bi->bmiHeader.biBitCount = ds.dsBm.bmBitsPixel;
1687
1689 {
1690 /* Create a DIB section. LR_MONOCHROME is ignored */
1691 void * bits;
1693
1694 if (objSize == sizeof(DIBSECTION))
1695 {
1696 /* The source bitmap is a DIB.
1697 Get its attributes to create an exact copy */
1698 memcpy(bi, &ds.dsBmih, sizeof(BITMAPINFOHEADER));
1699 }
1700
1701 bi->bmiHeader.biWidth = desiredx;
1702 bi->bmiHeader.biHeight = desiredy;
1703
1704 /* Get the color table or the color masks */
1705 GetDIBits(dc, hnd, 0, ds.dsBm.bmHeight, NULL, bi, DIB_RGB_COLORS);
1706
1708 DeleteDC(dc);
1709 }
1710 else
1711 {
1712 /* Create a device-dependent bitmap */
1713
1714 BOOL monochrome = (flags & LR_MONOCHROME);
1715
1716 if (objSize == sizeof(DIBSECTION))
1717 {
1718 /* The source bitmap is a DIB section.
1719 Get its attributes */
1721 bi->bmiHeader.biWidth = ds.dsBm.bmWidth;
1722 bi->bmiHeader.biHeight = ds.dsBm.bmHeight;
1723 GetDIBits(dc, hnd, 0, ds.dsBm.bmHeight, NULL, bi, DIB_RGB_COLORS);
1724 DeleteDC(dc);
1725
1726 if (!monochrome && ds.dsBm.bmBitsPixel == 1)
1727 {
1728 /* Look if the colors of the DIB are black and white */
1729
1730 monochrome =
1731 (bi->bmiColors[0].rgbRed == 0xff
1732 && bi->bmiColors[0].rgbGreen == 0xff
1733 && bi->bmiColors[0].rgbBlue == 0xff
1734 && bi->bmiColors[0].rgbReserved == 0
1735 && bi->bmiColors[1].rgbRed == 0
1736 && bi->bmiColors[1].rgbGreen == 0
1737 && bi->bmiColors[1].rgbBlue == 0
1738 && bi->bmiColors[1].rgbReserved == 0)
1739 ||
1740 (bi->bmiColors[0].rgbRed == 0
1741 && bi->bmiColors[0].rgbGreen == 0
1742 && bi->bmiColors[0].rgbBlue == 0
1743 && bi->bmiColors[0].rgbReserved == 0
1744 && bi->bmiColors[1].rgbRed == 0xff
1745 && bi->bmiColors[1].rgbGreen == 0xff
1746 && bi->bmiColors[1].rgbBlue == 0xff
1747 && bi->bmiColors[1].rgbReserved == 0);
1748 }
1749 }
1750 else if (!monochrome)
1751 {
1752 monochrome = ds.dsBm.bmBitsPixel == 1;
1753 }
1754
1755 if (monochrome)
1756 {
1757 res = CreateBitmap(desiredx, desiredy, 1, 1, NULL);
1758 }
1759 else
1760 {
1761 HDC screenDC = GetDC(NULL);
1762 res = CreateCompatibleBitmap(screenDC, desiredx, desiredy);
1763 ReleaseDC(NULL, screenDC);
1764 }
1765 }
1766
1767 if (res)
1768 {
1769 /* Only copy the bitmap if it's a DIB section or if it's
1770 compatible to the screen */
1771 BOOL copyContents;
1772
1773 if (objSize == sizeof(DIBSECTION))
1774 {
1775 copyContents = TRUE;
1776 }
1777 else
1778 {
1779 HDC screenDC = GetDC(NULL);
1780 int screen_depth = GetDeviceCaps(screenDC, BITSPIXEL);
1781 ReleaseDC(NULL, screenDC);
1782
1783 copyContents = (ds.dsBm.bmBitsPixel == 1 || ds.dsBm.bmBitsPixel == screen_depth);
1784 }
1785
1786 if (copyContents)
1787 {
1788 /* The source bitmap may already be selected in a device context,
1789 use GetDIBits/StretchDIBits and not StretchBlt */
1790
1791 HDC dc;
1792 void * bits;
1793
1795
1796 bi->bmiHeader.biWidth = ds.dsBm.bmWidth;
1797 bi->bmiHeader.biHeight = ds.dsBm.bmHeight;
1798 bi->bmiHeader.biSizeImage = 0;
1799 bi->bmiHeader.biClrUsed = 0;
1800 bi->bmiHeader.biClrImportant = 0;
1801
1802 /* Fill in biSizeImage */
1803 GetDIBits(dc, hnd, 0, ds.dsBm.bmHeight, NULL, bi, DIB_RGB_COLORS);
1805
1806 if (bits)
1807 {
1808 HBITMAP oldBmp;
1809
1810 /* Get the image bits of the source bitmap */
1811 GetDIBits(dc, hnd, 0, ds.dsBm.bmHeight, bits, bi, DIB_RGB_COLORS);
1812
1813 /* Copy it to the destination bitmap */
1814 oldBmp = SelectObject(dc, res);
1815 StretchDIBits(dc, 0, 0, desiredx, desiredy,
1816 0, 0, ds.dsBm.bmWidth, ds.dsBm.bmHeight,
1818 SelectObject(dc, oldBmp);
1819
1821 }
1822
1823 DeleteDC(dc);
1824 }
1825
1826 if (flags & LR_COPYDELETEORG)
1827 {
1828 DeleteObject(hnd);
1829 }
1830 }
1831 HeapFree(GetProcessHeap(), 0, bi);
1832 return res;
1833}
1834
1835static
1836HICON
1838 _In_ HICON hicon,
1839 _In_ BOOL bIcon,
1840 _In_ int cxDesired,
1841 _In_ int cyDesired,
1842 _In_ UINT fuFlags
1843)
1844{
1845 HICON ret = NULL;
1846 ICONINFO ii;
1847 CURSORDATA CursorData;
1848
1849 if (fuFlags & LR_COPYFROMRESOURCE)
1850 {
1851 /* Get the icon module/resource names */
1852 UNICODE_STRING ustrModule;
1853 UNICODE_STRING ustrRsrc;
1855
1856 ustrModule.MaximumLength = 0;
1857 ustrRsrc.MaximumLength = 0;
1858
1859 /* Get the buffer size */
1860 if (!NtUserGetIconInfo(hicon, NULL, &ustrModule, &ustrRsrc, NULL, FALSE))
1861 {
1862 return NULL;
1863 }
1864
1865 ustrModule.Buffer = HeapAlloc(GetProcessHeap(), 0, ustrModule.MaximumLength);
1866 if (!ustrModule.Buffer)
1867 {
1869 return NULL;
1870 }
1871
1872 if (ustrRsrc.MaximumLength)
1873 {
1874 ustrRsrc.Buffer = HeapAlloc(GetProcessHeap(), 0, ustrRsrc.MaximumLength);
1875 if (!ustrRsrc.Buffer)
1876 {
1877 HeapFree(GetProcessHeap(), 0, ustrModule.Buffer);
1879 return NULL;
1880 }
1881 }
1882
1883 if (!NtUserGetIconInfo(hicon, NULL, &ustrModule, &ustrRsrc, NULL, FALSE))
1884 {
1885 HeapFree(GetProcessHeap(), 0, ustrModule.Buffer);
1886 if (!IS_INTRESOURCE(ustrRsrc.Buffer))
1887 HeapFree(GetProcessHeap(), 0, ustrRsrc.Buffer);
1888 return NULL;
1889 }
1890
1891 /* NULL-terminate our strings */
1892 ustrModule.Buffer[ustrModule.Length/sizeof(WCHAR)] = UNICODE_NULL;
1893 if (!IS_INTRESOURCE(ustrRsrc.Buffer))
1894 ustrRsrc.Buffer[ustrRsrc.Length/sizeof(WCHAR)] = UNICODE_NULL;
1895
1896 TRACE("Got module %wZ, resource %p (%S).\n", &ustrModule,
1897 ustrRsrc.Buffer, IS_INTRESOURCE(ustrRsrc.Buffer) ? L"" : ustrRsrc.Buffer);
1898
1899 /* Get the module handle or load the module */
1900 hModule = LoadLibraryExW(ustrModule.Buffer, NULL, /* NT6+: LOAD_LIBRARY_AS_IMAGE_RESOURCE | */ LOAD_LIBRARY_AS_DATAFILE);
1901 if (!hModule)
1902 {
1904 ERR("Unable to load/use module '%wZ' in process %lu, error %lu.\n", &ustrModule, GetCurrentProcessId(), err);
1906 goto leave;
1907 }
1908
1909 /* Call the relevant function */
1911 hModule,
1912 ustrRsrc.Buffer,
1913 cxDesired,
1914 cyDesired,
1915 fuFlags & (LR_DEFAULTSIZE | LR_SHARED),
1916 bIcon);
1917
1919
1920 /* If we're here, that means that the passed icon is shared. Don't destroy it, even if LR_COPYDELETEORG is specified */
1921 leave:
1922 HeapFree(GetProcessHeap(), 0, ustrModule.Buffer);
1923 if (!IS_INTRESOURCE(ustrRsrc.Buffer))
1924 HeapFree(GetProcessHeap(), 0, ustrRsrc.Buffer);
1925
1926 TRACE("Returning 0x%08x.\n", ret);
1927
1928 return ret;
1929 }
1930
1931 /* This is a regular copy */
1932 if (fuFlags & ~(LR_COPYDELETEORG | LR_SHARED))
1933 FIXME("Unimplemented flags: 0x%08x\n", fuFlags);
1934
1935 if (!GetIconInfo(hicon, &ii))
1936 {
1937 ERR("GetIconInfo failed.\n");
1938 return NULL;
1939 }
1940
1941 /* This is CreateIconIndirect with the LR_SHARED coat added */
1942 if (!CURSORICON_GetCursorDataFromIconInfo(&CursorData, &ii))
1943 goto Leave;
1944
1945 if (fuFlags & LR_SHARED)
1946 CursorData.CURSORF_flags |= CURSORF_LRSHARED;
1947
1949 if (!ret)
1950 goto Leave;
1951
1952 if (!NtUserSetCursorIconData(ret, NULL, NULL, &CursorData))
1953 {
1955 goto Leave;
1956 }
1957
1958Leave:
1960 if (ii.hbmColor) DeleteObject(ii.hbmColor);
1961
1962 if (ret && (fuFlags & LR_COPYDELETEORG))
1963 DestroyIcon(hicon);
1964
1965 return ret;
1966}
1967
1970{
1972 HANDLE Result;
1973 Common = (PCOPYIMAGE_CALLBACK_ARGUMENTS) Arguments;
1974
1975 Result = CopyImage(Common->hImage,
1976 Common->uType,
1977 Common->cxDesired,
1978 Common->cyDesired,
1979 Common->fuFlags);
1980
1981 return ZwCallbackReturn(&Result, sizeof(HANDLE), STATUS_SUCCESS);
1982}
1983
1984
1985/************* PUBLIC FUNCTIONS *******************/
1986
1988 _In_ HANDLE hImage,
1989 _In_ UINT uType,
1990 _In_ int cxDesired,
1991 _In_ int cyDesired,
1992 _In_ UINT fuFlags
1993)
1994{
1995 TRACE("hImage=%p, uType=%u, cxDesired=%d, cyDesired=%d, fuFlags=%x\n",
1996 hImage, uType, cxDesired, cyDesired, fuFlags);
1997 switch(uType)
1998 {
1999 case IMAGE_BITMAP:
2000 return BITMAP_CopyImage(hImage, cxDesired, cyDesired, fuFlags);
2001 case IMAGE_CURSOR:
2002 case IMAGE_ICON:
2003 return CURSORICON_CopyImage(hImage, uType == IMAGE_ICON, cxDesired, cyDesired, fuFlags);
2004 default:
2006 break;
2007 }
2008 return NULL;
2009}
2010
2013)
2014{
2015 return CURSORICON_CopyImage(hIcon, FALSE, 0, 0, 0);
2016}
2017
2019 _In_ HDC hDC,
2020 _In_ int X,
2021 _In_ int Y,
2023)
2024{
2025 return DrawIconEx(hDC, X, Y, hIcon, 0, 0, 0, NULL, DI_NORMAL | DI_COMPAT | DI_DEFAULTSIZE);
2026}
2027
2029 _In_ HDC hdc,
2030 _In_ int xLeft,
2031 _In_ int yTop,
2033 _In_ int cxWidth,
2034 _In_ int cyWidth,
2035 _In_ UINT istepIfAniCur,
2036 _In_opt_ HBRUSH hbrFlickerFreeDraw,
2037 _In_ UINT diFlags
2038)
2039{
2040 return NtUserDrawIconEx(hdc, xLeft, yTop, hIcon, cxWidth, cyWidth,
2041 istepIfAniCur, hbrFlickerFreeDraw, diFlags,
2042 0, 0);
2043}
2044
2047 _Out_ PICONINFO piconinfo
2048)
2049{
2050 return NtUserGetIconInfo(hIcon, piconinfo, NULL, NULL, NULL, FALSE);
2051}
2052
2055)
2056{
2058}
2059
2062 _In_ LPCSTR lpIconName
2063)
2064{
2065 TRACE("%p, %s\n", hInstance, debugstr_a(lpIconName));
2066
2067 return LoadImageA(hInstance,
2068 lpIconName,
2069 IMAGE_ICON,
2070 0,
2071 0,
2073}
2074
2077 _In_ LPCWSTR lpIconName
2078)
2079{
2080 TRACE("%p, %s\n", hInstance, debugstr_w(lpIconName));
2081
2082 return LoadImageW(hInstance,
2083 lpIconName,
2084 IMAGE_ICON,
2085 0,
2086 0,
2088}
2089
2092 _In_ LPCSTR lpCursorName
2093)
2094{
2095 TRACE("%p, %s\n", hInstance, debugstr_a(lpCursorName));
2096
2097 return LoadImageA(hInstance,
2098 lpCursorName,
2100 0,
2101 0,
2103}
2104
2107 _In_ LPCWSTR lpCursorName
2108)
2109{
2110 TRACE("%p, %s\n", hInstance, debugstr_w(lpCursorName));
2111
2112 return LoadImageW(hInstance,
2113 lpCursorName,
2115 0,
2116 0,
2118}
2119
2122)
2123{
2124 TRACE("%s\n", debugstr_a(lpFileName));
2125
2126 return LoadImageA(NULL,
2127 lpFileName,
2129 0,
2130 0,
2132}
2133
2136)
2137{
2138 TRACE("%s\n", debugstr_w(lpFileName));
2139
2140 return LoadImageW(NULL,
2141 lpFileName,
2143 0,
2144 0,
2146}
2147
2150 _In_ LPCSTR lpBitmapName
2151)
2152{
2153 TRACE("%p, %s\n", hInstance, debugstr_a(lpBitmapName));
2154
2155 return LoadImageA(hInstance,
2156 lpBitmapName,
2158 0,
2159 0,
2160 0);
2161}
2162
2165 _In_ LPCWSTR lpBitmapName
2166)
2167{
2168 TRACE("%p, %s\n", hInstance, debugstr_w(lpBitmapName));
2169
2170 return LoadImageW(hInstance,
2171 lpBitmapName,
2173 0,
2174 0,
2175 0);
2176}
2177
2180 _In_ LPCSTR lpszName,
2181 _In_ UINT uType,
2182 _In_ int cxDesired,
2183 _In_ int cyDesired,
2184 _In_ UINT fuLoad
2185)
2186{
2187 HANDLE res;
2188 LPWSTR u_name;
2189 DWORD len;
2190
2191 if (IS_INTRESOURCE(lpszName))
2192 return LoadImageW(hinst, (LPCWSTR)lpszName, uType, cxDesired, cyDesired, fuLoad);
2193
2194 len = MultiByteToWideChar( CP_ACP, 0, lpszName, -1, NULL, 0 );
2195 u_name = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
2196 MultiByteToWideChar( CP_ACP, 0, lpszName, -1, u_name, len );
2197
2198 res = LoadImageW(hinst, u_name, uType, cxDesired, cyDesired, fuLoad);
2199 HeapFree(GetProcessHeap(), 0, u_name);
2200 return res;
2201}
2202
2205 _In_ LPCWSTR lpszName,
2206 _In_ UINT uType,
2207 _In_ int cxDesired,
2208 _In_ int cyDesired,
2209 _In_ UINT fuLoad
2210)
2211{
2212 TRACE("hinst 0x%p, name %s, uType 0x%08x, cxDesired %d, cyDesired %d, fuLoad 0x%08x.\n",
2213 hinst, debugstr_w(lpszName), uType, cxDesired, cyDesired, fuLoad);
2214 /* Redirect to each implementation */
2215 switch(uType)
2216 {
2217 case IMAGE_BITMAP:
2218 return BITMAP_LoadImageW(hinst, lpszName, cxDesired, cyDesired, fuLoad);
2219 case IMAGE_CURSOR:
2220 case IMAGE_ICON:
2221 return CURSORICON_LoadImageW(hinst, lpszName, cxDesired, cyDesired, fuLoad, uType == IMAGE_ICON);
2222 default:
2224 break;
2225 }
2226 return NULL;
2227}
2228
2230 _In_ PBYTE presbits,
2231 _In_ BOOL fIcon
2232)
2233{
2234 return LookupIconIdFromDirectoryEx( presbits, fIcon,
2237}
2238
2240 _In_ PBYTE presbits,
2241 _In_ BOOL fIcon,
2242 _In_ int cxDesired,
2243 _In_ int cyDesired,
2245)
2246{
2247 WORD bppDesired;
2248 CURSORICONDIR* dir = (CURSORICONDIR*)presbits;
2250 int i, numMatch = 0, iIndex = -1;
2251 WORD width, height, BitCount = 0;
2252 BOOL notPaletted = FALSE;
2253 ULONG bestScore = 0xFFFFFFFF, score;
2254
2255 TRACE("%p, %x, %i, %i, %x.\n", presbits, fIcon, cxDesired, cyDesired, Flags);
2256
2257 if(!(dir && !dir->idReserved && (dir->idType & 3)))
2258 {
2259 WARN("Invalid resource.\n");
2260 return 0;
2261 }
2262
2263 if(Flags & LR_MONOCHROME)
2264 bppDesired = 1;
2265 else
2266 {
2267 HDC icScreen;
2268 icScreen = CreateICW(DISPLAYW, NULL, NULL, NULL);
2269 if(!icScreen)
2270 return FALSE;
2271
2272 bppDesired = GetDeviceCaps(icScreen, BITSPIXEL);
2273 DeleteDC(icScreen);
2274 }
2275
2276 if(!cxDesired)
2277 cxDesired = Flags & LR_DEFAULTSIZE ? GetSystemMetrics(fIcon ? SM_CXICON : SM_CXCURSOR) : 256;
2278 if(!cyDesired)
2279 cyDesired = Flags & LR_DEFAULTSIZE ? GetSystemMetrics(fIcon ? SM_CYICON : SM_CYCURSOR) : 256;
2280
2281 /* Find the best match for the desired size */
2282 for(i = 0; i < dir->idCount; i++)
2283 {
2284 entry = &dir->idEntries[i];
2285 width = fIcon ? entry->ResInfo.icon.bWidth : entry->ResInfo.cursor.wWidth;
2286 /* Height is twice as big in cursor resources */
2287 height = fIcon ? entry->ResInfo.icon.bHeight : entry->ResInfo.cursor.wHeight/2;
2288 /* 0 represents 256 */
2289 if(!width) width = 256;
2290 if(!height) height = 256;
2291 /* Calculate the "score" (lower is better) */
2292 score = 2*(abs(width - cxDesired) + abs(height - cyDesired));
2293 if( score > bestScore)
2294 continue;
2295 /* Bigger than requested lowers the score */
2296 if(width > cxDesired)
2297 score -= width - cxDesired;
2298 if(height > cyDesired)
2299 score -= height - cyDesired;
2300 if(score > bestScore)
2301 continue;
2302 if(score == bestScore)
2303 {
2304 if(entry->wBitCount > BitCount)
2305 BitCount = entry->wBitCount;
2306 numMatch++;
2307 continue;
2308 }
2309 iIndex = i;
2310 numMatch = 1;
2311 bestScore = score;
2312 BitCount = entry->wBitCount;
2313 }
2314
2315 if(numMatch == 1)
2316 {
2317 /* Only one entry fits the asked dimensions */
2318 return dir->idEntries[iIndex].wResId;
2319 }
2320
2321 /* Avoid paletted icons on non-paletted device */
2322 if (bppDesired > 8 && BitCount > 8)
2323 notPaletted = TRUE;
2324
2325 BitCount = 0;
2326 iIndex = -1;
2327 /* Now find the entry with the best depth */
2328 for(i = 0; i < dir->idCount; i++)
2329 {
2330 entry = &dir->idEntries[i];
2331 width = fIcon ? entry->ResInfo.icon.bWidth : entry->ResInfo.cursor.wWidth;
2332 height = fIcon ? entry->ResInfo.icon.bHeight : entry->ResInfo.cursor.wHeight/2;
2333 /* 0 represents 256 */
2334 if(!width) width = 256;
2335 if(!height) height = 256;
2336 /* Check if this is the best match we had */
2337 score = 2*(abs(width - cxDesired) + abs(height - cyDesired));
2338 if(width > cxDesired)
2339 score -= width - cxDesired;
2340 if(height > cyDesired)
2341 score -= height - cyDesired;
2342 if(score != bestScore)
2343 continue;
2344 /* Exact match? */
2345 if(entry->wBitCount == bppDesired)
2346 return entry->wResId;
2347 /* We take the highest possible but smaller than the display depth */
2348 if((entry->wBitCount > BitCount) && (entry->wBitCount < bppDesired))
2349 {
2350 /* Avoid paletted icons on non paletted devices */
2351 if ((entry->wBitCount <= 8) && notPaletted)
2352 continue;
2353 iIndex = i;
2354 BitCount = entry->wBitCount;
2355 }
2356 }
2357
2358 if(iIndex >= 0)
2359 return dir->idEntries[iIndex].wResId;
2360
2361 /* No inferior or equal depth available. Get the smallest bigger one */
2362 BitCount = 0xFFFF;
2363 iIndex = -1;
2364 for(i = 0; i < dir->idCount; i++)
2365 {
2366 entry = &dir->idEntries[i];
2367 width = fIcon ? entry->ResInfo.icon.bWidth : entry->ResInfo.cursor.wWidth;
2368 height = fIcon ? entry->ResInfo.icon.bHeight : entry->ResInfo.cursor.wHeight/2;
2369 /* 0 represents 256 */
2370 if(!width) width = 256;
2371 if(!height) height = 256;
2372 /* Check if this is the best match we had */
2373 score = 2*(abs(width - cxDesired) + abs(height - cyDesired));
2374 if(width > cxDesired)
2375 score -= width - cxDesired;
2376 if(height > cyDesired)
2377 score -= height - cyDesired;
2378 if(score != bestScore)
2379 continue;
2380 /* Check the bit depth */
2381 if(entry->wBitCount < BitCount)
2382 {
2383 if((entry->wBitCount <= 8) && notPaletted)
2384 continue;
2385 iIndex = i;
2386 BitCount = entry->wBitCount;
2387 }
2388 }
2389 if (iIndex >= 0)
2390 return dir->idEntries[iIndex].wResId;
2391
2392 return 0;
2393}
2394
2397 _In_ int nWidth,
2398 _In_ int nHeight,
2399 _In_ BYTE cPlanes,
2400 _In_ BYTE cBitsPixel,
2401 _In_ const BYTE *lpbANDbits,
2402 _In_ const BYTE *lpbXORbits
2403)
2404{
2405 ICONINFO iinfo;
2406 HICON hIcon;
2407
2408 TRACE_(icon)("%dx%d, planes %d, bpp %d, xor %p, and %p\n",
2409 nWidth, nHeight, cPlanes, cBitsPixel, lpbXORbits, lpbANDbits);
2410
2411 iinfo.fIcon = TRUE;
2412 iinfo.xHotspot = nWidth / 2;
2413 iinfo.yHotspot = nHeight / 2;
2414 if (cPlanes * cBitsPixel > 1)
2415 {
2416 iinfo.hbmColor = CreateBitmap( nWidth, nHeight, cPlanes, cBitsPixel, lpbXORbits );
2417 iinfo.hbmMask = CreateBitmap( nWidth, nHeight, 1, 1, lpbANDbits );
2418 }
2419 else
2420 {
2421 iinfo.hbmMask = CreateBitmap( nWidth, nHeight * 2, 1, 1, lpbANDbits );
2422 iinfo.hbmColor = NULL;
2423 }
2424
2425 hIcon = CreateIconIndirect( &iinfo );
2426
2427 DeleteObject( iinfo.hbmMask );
2428 if (iinfo.hbmColor) DeleteObject( iinfo.hbmColor );
2429
2430 return hIcon;
2431}
2432
2434 _In_ PBYTE presbits,
2435 _In_ DWORD dwResSize,
2436 _In_ BOOL fIcon,
2437 _In_ DWORD dwVer
2438)
2439{
2440 return CreateIconFromResourceEx( presbits, dwResSize, fIcon, dwVer, 0, 0, LR_DEFAULTSIZE | LR_SHARED);
2441}
2442
2444 _In_ PBYTE pbIconBits,
2445 _In_ DWORD cbIconBits,
2446 _In_ BOOL fIcon,
2447 _In_ DWORD dwVersion,
2448 _In_ int cxDesired,
2449 _In_ int cyDesired,
2451)
2452{
2453 CURSORDATA cursorData;
2454 HICON hIcon;
2455 BOOL isAnimated;
2456
2457 TRACE("%p, %lu, %lu, %lu, %i, %i, %lu.\n", pbIconBits, cbIconBits, fIcon, dwVersion, cxDesired, cyDesired, uFlags);
2458
2460 {
2461 if(!cxDesired) cxDesired = GetSystemMetrics(fIcon ? SM_CXICON : SM_CXCURSOR);
2462 if(!cyDesired) cyDesired = GetSystemMetrics(fIcon ? SM_CYICON : SM_CYCURSOR);
2463 }
2464
2465 ZeroMemory(&cursorData, sizeof(cursorData));
2466 cursorData.cx = cxDesired;
2467 cursorData.cy = cyDesired;
2468 cursorData.rt = (USHORT)((ULONG_PTR)(fIcon ? RT_ICON : RT_CURSOR));
2469
2470 /* Convert to win32k-ready data */
2471 if(!memcmp(pbIconBits, "RIFF", 4))
2472 {
2473 if(!CURSORICON_GetCursorDataFromANI(&cursorData, pbIconBits, cbIconBits, uFlags))
2474 {
2475 ERR("Could not get cursor data from .ani.\n");
2476 return NULL;
2477 }
2478 isAnimated = !!(cursorData.CURSORF_flags & CURSORF_ACON);
2479 }
2480 else
2481 {
2482 /* It is possible to pass Icon Directories to this API */
2483 int wResId = LookupIconIdFromDirectoryEx(pbIconBits, fIcon, cxDesired, cyDesired, uFlags);
2484 HANDLE ResHandle = NULL;
2485#ifdef __REACTOS__
2486 if (wResId && (pbIconBits[4] != sizeof(BITMAPINFOHEADER)))
2487#else
2488 if(wResId)
2489#endif
2490 {
2492 HRSRC hrsrc;
2493 CURSORICONDIR* pCurIconDir = (CURSORICONDIR*)pbIconBits;
2494
2495 TRACE("Pointer points to a directory structure.\n");
2496
2497 /* So this is a pointer to an icon directory structure. Find the module */
2498 if (!GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
2499 (LPCWSTR)pbIconBits,
2500 &hinst))
2501 {
2502 return NULL;
2503 }
2504
2505 /* Check we were given the right type of resource */
2506 if((fIcon && pCurIconDir->idType == 2) || (!fIcon && pCurIconDir->idType == 1))
2507 {
2508 WARN("Got a %s directory pointer, but called for a %s\n", fIcon ? "cursor" : "icon", fIcon ? "icon" : "cursor");
2509 return NULL;
2510 }
2511
2512 /* Get the relevant resource pointer */
2513 hrsrc = FindResourceW(
2514 hinst,
2515 MAKEINTRESOURCEW(wResId),
2516 fIcon ? RT_ICON : RT_CURSOR);
2517 if (!hrsrc)
2518 return NULL;
2519
2520 ResHandle = LoadResource(hinst, hrsrc);
2521 if (!ResHandle)
2522 return NULL;
2523
2524 pbIconBits = LockResource(ResHandle);
2525 if (!pbIconBits)
2526 {
2527 FreeResource(ResHandle);
2528 return NULL;
2529 }
2530 }
2531 if(!fIcon)
2532 {
2533 WORD* pt = (WORD*)pbIconBits;
2534 cursorData.xHotspot = *pt++;
2535 cursorData.yHotspot = *pt++;
2536 pbIconBits = (PBYTE)pt;
2537 }
2538
2539 if (!CURSORICON_GetCursorDataFromBMI(&cursorData, (BITMAPINFO*)pbIconBits))
2540 {
2541 ERR("Couldn't fill the CURSORDATA structure.\n");
2542 if (ResHandle)
2543 FreeResource(ResHandle);
2544 return NULL;
2545 }
2546 if (ResHandle)
2547 FreeResource(ResHandle);
2548 isAnimated = FALSE;
2549 }
2550
2551 if (uFlags & LR_SHARED)
2552 cursorData.CURSORF_flags |= CURSORF_LRSHARED;
2553
2554 hIcon = NtUserxCreateEmptyCurObject(isAnimated);
2555 if (!hIcon)
2556 goto end_error;
2557
2558 if(!NtUserSetCursorIconData(hIcon, NULL, NULL, &cursorData))
2559 {
2560 ERR("NtUserSetCursorIconData failed.\n");
2562 goto end_error;
2563 }
2564
2565 if(isAnimated)
2566 HeapFree(GetProcessHeap(), 0, cursorData.aspcur);
2567
2568 return hIcon;
2569
2570 /* Clean up */
2571end_error:
2572 if(isAnimated)
2573 HeapFree(GetProcessHeap(), 0, cursorData.aspcur);
2574 DeleteObject(cursorData.hbmMask);
2575 if(cursorData.hbmColor) DeleteObject(cursorData.hbmColor);
2576 if(cursorData.hbmAlpha) DeleteObject(cursorData.hbmAlpha);
2577
2578 return NULL;
2579}
2580
2582 _In_ PICONINFO piconinfo
2583)
2584{
2585 /* As simple as creating a handle, and let win32k deal with the bitmaps */
2586 HICON hiconRet;
2587 CURSORDATA cursorData;
2588
2589 TRACE("%p.\n", piconinfo);
2590
2591 ZeroMemory(&cursorData, sizeof(cursorData));
2592
2593 if(!CURSORICON_GetCursorDataFromIconInfo(&cursorData, piconinfo))
2594 return NULL;
2595
2597 if(!hiconRet)
2598 goto end_error;
2599
2600 if(!NtUserSetCursorIconData(hiconRet, NULL, NULL, &cursorData))
2601 {
2602 NtUserDestroyCursor(hiconRet, FALSE);
2603 goto end_error;
2604 }
2605
2606 TRACE("Returning 0x%08x.\n", hiconRet);
2607
2608 return hiconRet;
2609
2610end_error:
2611 /* Clean up */
2612 DeleteObject(cursorData.hbmMask);
2613 if(cursorData.hbmColor) DeleteObject(cursorData.hbmColor);
2614 if(cursorData.hbmAlpha) DeleteObject(cursorData.hbmAlpha);
2615
2616 return NULL;
2617}
2618
2621 _In_ int xHotSpot,
2622 _In_ int yHotSpot,
2623 _In_ int nWidth,
2624 _In_ int nHeight,
2625 _In_ const VOID *pvANDPlane,
2626 _In_ const VOID *pvXORPlane
2627)
2628{
2629 ICONINFO info;
2630 HCURSOR hCursor;
2631
2632 TRACE_(cursor)("%dx%d spot=%d,%d xor=%p and=%p\n",
2633 nWidth, nHeight, xHotSpot, yHotSpot, pvXORPlane, pvANDPlane);
2634
2635 info.fIcon = FALSE;
2636 info.xHotspot = xHotSpot;
2637 info.yHotspot = yHotSpot;
2638 info.hbmMask = CreateBitmap( nWidth, nHeight, 1, 1, pvANDPlane );
2639 info.hbmColor = CreateBitmap( nWidth, nHeight, 1, 1, pvXORPlane );
2640 hCursor = CreateIconIndirect( &info );
2641 DeleteObject( info.hbmMask );
2642 DeleteObject( info.hbmColor );
2643 return hCursor;
2644}
2645
2647 _In_ HCURSOR hcur,
2648 _In_ DWORD id
2649)
2650{
2651 if (hcur == NULL)
2652 {
2654 if (hcur == NULL)
2655 {
2656 return FALSE;
2657 }
2658 }
2659 return NtUserSetSystemCursor(hcur,id);
2660}
2661
2663 _In_ int X,
2664 _In_ int Y
2665)
2666{
2667 return NtUserxSetCursorPos(X,Y);
2668}
2669
2671 _Out_ LPPOINT lpPoint
2672)
2673{
2674 return NtUserxGetCursorPos(lpPoint);
2675}
2676
2678 _In_ BOOL bShow
2679)
2680{
2681 return NtUserxShowCursor(bShow);
2682}
2683
2685{
2687}
2688
2690 _In_ HCURSOR hCursor
2691)
2692{
2693 return NtUserDestroyCursor(hCursor, FALSE);
2694}
2695
2696HCURSOR
2697WINAPI
2698GetCursorFrameInfo(HCURSOR hCursor, DWORD reserved, DWORD istep, PINT rate_jiffies, DWORD *num_steps)
2699{
2700 return NtUserGetCursorFrameInfo(hCursor, istep, rate_jiffies, num_steps);
2701}
static HDC hDC
Definition: 3dtext.c:33
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GLint GLint GLsizei GLsizei GLsizei depth
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GLclampf GLclampf GLclampf alpha
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GLuint GLuint end
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NTSYSAPI NTSTATUS NTAPI ZwCallbackReturn(_In_ PVOID Result, _In_ ULONG ResultLength, _In_ NTSTATUS Status)
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#define DWORD
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long LONG
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union CURSORICONDIRENTRY::@5115 ResInfo
DWORD dwBytesInRes
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WORD idReserved
Definition: ntusrtyp.h:99
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Definition: ntusrtyp.h:102
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Definition: ntusrtyp.h:101
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Definition: ntusrtyp.h:69
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Definition: ntusrtyp.h:70
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Definition: ntusrtyp.h:63
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Definition: ntusrtyp.h:62
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BITMAPINFOHEADER bmiHeader
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RGBQUAD bmiColors[1]
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HBITMAP hbmMask
Definition: ntuser.h:1182
ULONG CURSORF_flags
Definition: ntuser.h:1179
ULONG cy
Definition: ntuser.h:1189
ULONG cx
Definition: ntuser.h:1188
HBITMAP hbmColor
Definition: ntuser.h:1183
HBITMAP hbmAlpha
Definition: ntuser.h:1184
SHORT xHotspot
Definition: ntuser.h:1180
USHORT rt
Definition: ntuser.h:1177
struct tagCURSORDATA * aspcur
Definition: ntuser.h:1192
SHORT yHotspot
Definition: ntuser.h:1181
UCHAR rgbReserved
Definition: bootanim.c:106
UCHAR rgbBlue
Definition: bootanim.c:103
UCHAR rgbRed
Definition: bootanim.c:105
UCHAR rgbGreen
Definition: bootanim.c:104
BYTE rgbtBlue
Definition: wingdi.h:1438
#define max(a, b)
Definition: svc.c:63
TW_UINT32 TW_UINT16 TW_UINT16 TW_MEMREF pData
Definition: twain.h:1830
#define FIELD_OFFSET(t, f)
Definition: typedefs.h:255
unsigned char * LPBYTE
Definition: typedefs.h:53
uint32_t * LPDWORD
Definition: typedefs.h:59
int32_t INT
Definition: typedefs.h:58
#define RtlCopyMemory(Destination, Source, Length)
Definition: typedefs.h:263
uint32_t ULONG_PTR
Definition: typedefs.h:65
uint32_t ULONG
Definition: typedefs.h:59
HINSTANCE User32Instance
Definition: dllmain.c:27
static int __cdecl compr(const void *a, const void *b)
Definition: bidi.c:641
int ret
HDC hdcMem
Definition: welcome.c:104
HBITMAP WINAPI CreateDIBSection(HDC hDC, CONST BITMAPINFO *BitmapInfo, UINT Usage, VOID **Bits, HANDLE hSection, DWORD dwOffset)
Definition: bitmap.c:245
struct _COPYIMAGE_CALLBACK_ARGUMENTS * PCOPYIMAGE_CALLBACK_ARGUMENTS
BOOL APIENTRY NtUserDrawIconEx(HDC hdc, int xLeft, int yTop, HICON hIcon, int cxWidth, int cyHeight, UINT istepIfAniCur, HBRUSH hbrFlickerFreeDraw, UINT diFlags, BOOL bMetaHDC, PVOID pDIXData)
Definition: cursoricon.c:2080
BOOL APIENTRY NtUserGetIconSize(HANDLE hCurIcon, UINT istepIfAniCur, PLONG plcx, PLONG plcy)
Definition: cursoricon.c:586
HICON NTAPI NtUserFindExistingCursorIcon(_In_ PUNICODE_STRING pustrModule, _In_ PUNICODE_STRING pustrRsrc, _In_ FINDEXISTINGCURICONPARAM *param)
Definition: cursoricon.c:857
BOOL APIENTRY NtUserDestroyCursor(_In_ HANDLE hCurIcon, _In_ BOOL bForce)
Definition: cursoricon.c:789
__kernel_entry BOOL APIENTRY NtUserSetCursorIconData(_In_ HCURSOR hcursor, _In_opt_ PUNICODE_STRING pustrModule, _In_opt_ PUNICODE_STRING pustrRsrc, _In_ const CURSORDATA *pCursorData)
Definition: cursoricon.c:1506
BOOL APIENTRY NtUserSetSystemCursor(HCURSOR hcur, DWORD id)
Definition: cursoricon.c:2197
HCURSOR NTAPI NtUserGetCursorFrameInfo(HCURSOR hCursor, DWORD istep, INT *rate_jiffies, DWORD *num_steps)
Definition: cursoricon.c:2127
static int bitmap_info_size(const BITMAPINFO *info, WORD coloruse)
Definition: cursoricon.c:155
HCURSOR WINAPI CreateCursor(_In_opt_ HINSTANCE hInst, _In_ int xHotSpot, _In_ int yHotSpot, _In_ int nWidth, _In_ int nHeight, _In_ const VOID *pvANDPlane, _In_ const VOID *pvXORPlane)
Definition: cursoricon.c:2619
HBITMAP WINAPI LoadBitmapW(_In_opt_ HINSTANCE hInstance, _In_ LPCWSTR lpBitmapName)
Definition: cursoricon.c:2163
HANDLE WINAPI LoadImageW(_In_opt_ HINSTANCE hinst, _In_ LPCWSTR lpszName, _In_ UINT uType, _In_ int cxDesired, _In_ int cyDesired, _In_ UINT fuLoad)
Definition: cursoricon.c:2203
#define EOFM
HCURSOR WINAPI LoadCursorFromFileW(_In_ LPCWSTR lpFileName)
Definition: cursoricon.c:2134
static BOOL CURSORICON_GetCursorDataFromIconInfo(_Out_ CURSORDATA *pCursorData, _In_ ICONINFO *pIconInfo)
Definition: cursoricon.c:747
BOOL WINAPI GetCursorPos(_Out_ LPPOINT lpPoint)
Definition: cursoricon.c:2670
static BOOL CURSORICON_GetCursorDataFromBMI(_Inout_ CURSORDATA *pdata, _In_ const BITMAPINFO *pbmi)
Definition: cursoricon.c:597
#define LF
static void * map_fileW(LPCWSTR name, LPDWORD filesize)
Definition: cursoricon.c:89
BOOL WINAPI SetSystemCursor(_In_ HCURSOR hcur, _In_ DWORD id)
Definition: cursoricon.c:2646
BOOL get_icon_size(HICON hIcon, SIZE *size)
Definition: cursoricon.c:74
static void riff_find_chunk(DWORD chunk_id, DWORD chunk_type, const riff_chunk_t *parent_chunk, riff_chunk_t *chunk)
Definition: cursoricon.c:877
HCURSOR WINAPI LoadCursorFromFileA(_In_ LPCSTR lpFileName)
Definition: cursoricon.c:2120
HCURSOR CursorIconToCursor(HICON hIcon, BOOL SemiTransparent)
Definition: cursoricon.c:79
NTSTATUS WINAPI User32SetupDefaultCursors(PVOID Arguments, ULONG ArgumentLength)
Definition: cursoricon.c:48
DWORD get_best_icon_file_offset(_In_ const LPBYTE dir, _In_ DWORD dwFileSize, _In_ int cxDesired, _In_ int cyDesired, _In_ BOOL bIcon, _In_ DWORD fuLoad, _Out_ POINT *ptHotSpot)
Definition: cursoricon.c:567
static int get_dib_image_size(int width, int height, int depth)
Definition: cursoricon.c:111
int WINAPI LookupIconIdFromDirectory(_In_ PBYTE presbits, _In_ BOOL fIcon)
Definition: cursoricon.c:2229
static BOOL bmi_has_alpha(const BITMAPINFO *info, const void *bits)
Definition: cursoricon.c:268
HICON WINAPI CreateIconFromResourceEx(_In_ PBYTE pbIconBits, _In_ DWORD cbIconBits, _In_ BOOL fIcon, _In_ DWORD dwVersion, _In_ int cxDesired, _In_ int cyDesired, _In_ UINT uFlags)
Definition: cursoricon.c:2443
static BOOL CURSORICON_GetCursorDataFromANI(_Inout_ CURSORDATA *pCurData, _In_ const BYTE *pData, _In_ DWORD dwDataSize, _In_ DWORD fuLoad)
Definition: cursoricon.c:904
BOOL WINAPI SetCursorPos(_In_ int X, _In_ int Y)
Definition: cursoricon.c:2662
#define CR
static void stretch_blt_icon(HDC hdc_dst, int dst_width, int dst_height, HBITMAP src)
Definition: cursoricon.c:221
static HANDLE CURSORICON_LoadImageW(_In_opt_ HINSTANCE hinst, _In_ LPCWSTR lpszName, _In_ int cxDesired, _In_ int cyDesired, _In_ UINT fuLoad, _In_ BOOL bIcon)
Definition: cursoricon.c:1426
static HBITMAP BITMAP_LoadImageW(_In_opt_ HINSTANCE hinst, _In_ LPCWSTR lpszName, _In_ int cxDesired, _In_ int cyDesired, _In_ UINT fuLoad)
Definition: cursoricon.c:1081
static HBITMAP create_alpha_bitmap(_In_opt_ HBITMAP color, _In_opt_ BITMAPINFO *src_info, _In_opt_ const void *color_bits, _In_ LONG width, _In_ LONG height)
Definition: cursoricon.c:287
static BOOL is_dib_monochrome(const BITMAPINFO *info)
Definition: cursoricon.c:116
const CURSORICONFILEDIRENTRY * get_best_icon_file_entry(_In_ const CURSORICONFILEDIR *dir, _In_ DWORD dwFileSize, _In_ int cxDesired, _In_ int cyDesired, _In_ BOOL bIcon, _In_ DWORD fuLoad)
Definition: cursoricon.c:481
static HBITMAP BITMAP_CopyImage(_In_ HBITMAP hnd, _In_ int desiredx, _In_ int desiredy, _In_ UINT flags)
Definition: cursoricon.c:1647
HCURSOR WINAPI LoadCursorW(_In_opt_ HINSTANCE hInstance, _In_ LPCWSTR lpCursorName)
Definition: cursoricon.c:2105
static HANDLE CURSORICON_LoadFromFileW(_In_ LPCWSTR lpszName, _In_ int cxDesired, _In_ int cyDesired, _In_ UINT fuLoad, _In_ BOOL bIcon)
Definition: cursoricon.c:1347
#define HighBitDetect
HCURSOR WINAPI GetCursorFrameInfo(HCURSOR hCursor, DWORD reserved, DWORD istep, PINT rate_jiffies, DWORD *num_steps)
Definition: cursoricon.c:2698
static int DIB_GetBitmapInfo(const BITMAPINFOHEADER *header, LONG *width, LONG *height, WORD *bpp, DWORD *compr)
Definition: cursoricon.c:179
HBITMAP WINAPI LoadBitmapA(_In_opt_ HINSTANCE hInstance, _In_ LPCSTR lpBitmapName)
Definition: cursoricon.c:2148
int WINAPI LookupIconIdFromDirectoryEx(_In_ PBYTE presbits, _In_ BOOL fIcon, _In_ int cxDesired, _In_ int cyDesired, _In_ UINT Flags)
Definition: cursoricon.c:2239
NTSTATUS WINAPI User32CallCopyImageFromKernel(PVOID Arguments, ULONG ArgumentLength)
Definition: cursoricon.c:1969
VOID LoadSystemCursors(VOID)
Definition: cursoricon.c:21
static void dump_ani_header(const ani_header *header)
Definition: cursoricon.c:863
static const WCHAR DISPLAYW[]
Definition: cursoricon.c:87
HICON WINAPI CopyIcon(_In_ HICON hIcon)
Definition: cursoricon.c:2011
HICON WINAPI LoadIconW(_In_opt_ HINSTANCE hInstance, _In_ LPCWSTR lpIconName)
Definition: cursoricon.c:2075
static HICON CURSORICON_CopyImage(_In_ HICON hicon, _In_ BOOL bIcon, _In_ int cxDesired, _In_ int cyDesired, _In_ UINT fuFlags)
Definition: cursoricon.c:1837
#define ZeroMemory
Definition: winbase.h:1712
DWORD WINAPI GetLastError(void)
Definition: except.c:1042
_In_ LPCSTR lpFileName
Definition: winbase.h:3071
#define LOAD_LIBRARY_AS_DATAFILE
Definition: winbase.h:342
DWORD WINAPI GetCurrentProcessId(void)
Definition: proc.c:1158
#define CopyMemory
Definition: winbase.h:1710
_In_ ULONG _In_ ULONG rgb
Definition: winddi.h:3521
int * PINT
Definition: windef.h:177
DWORD COLORREF
Definition: windef.h:300
HICON HCURSOR
Definition: windef.h:299
#define WINAPI
Definition: msvc.h:6
#define DIB_RGB_COLORS
Definition: wingdi.h:367
int WINAPI GetObjectW(_In_ HANDLE h, _In_ int c, _Out_writes_bytes_opt_(c) LPVOID pv)
HBITMAP WINAPI CreateBitmap(_In_ INT cx, _In_ INT cy, _In_ UINT cPlanes, _In_ UINT cBitsPerPel, _In_opt_ const VOID *pvBits)
struct tagBITMAPFILEHEADER BITMAPFILEHEADER
int WINAPI GetDeviceCaps(_In_opt_ HDC, _In_ int)
#define DI_COMPAT
Definition: wingdi.h:68
int WINAPI GetDIBits(_In_ HDC hdc, _In_ HBITMAP hbm, _In_ UINT start, _In_ UINT cLines, _Out_opt_ LPVOID lpvBits, _At_((LPBITMAPINFOHEADER) lpbmi, _Inout_) LPBITMAPINFO lpbmi, _In_ UINT usage)
HDC WINAPI CreateICW(_In_opt_ LPCWSTR, _In_opt_ LPCWSTR, _In_opt_ LPCWSTR, _In_opt_ const DEVMODEW *)
HGDIOBJ WINAPI SelectObject(_In_ HDC, _In_ HGDIOBJ)
Definition: dc.c:1539
#define DI_NORMAL
Definition: wingdi.h:72
HDC WINAPI CreateCompatibleDC(_In_opt_ HDC hdc)
BOOL WINAPI StretchBlt(_In_ HDC, _In_ int, _In_ int, _In_ int, _In_ int, _In_opt_ HDC, _In_ int, _In_ int, _In_ int, _In_ int, _In_ DWORD)
#define SRCCOPY
Definition: wingdi.h:333
HCURSOR WINAPI GetCursor(void)
Definition: cursoricon.c:2684
#define PLANES
Definition: wingdi.h:721
HBITMAP WINAPI CreateCompatibleBitmap(_In_ HDC hdc, _In_ INT cx, _In_ INT cy)
#define BITSPIXEL
Definition: wingdi.h:720
#define CBM_INIT
Definition: wingdi.h:365
#define GetObject
Definition: wingdi.h:4468
BOOL WINAPI DeleteDC(_In_ HDC)
HBITMAP WINAPI CreateDIBitmap(_In_ HDC hdc, _In_opt_ const BITMAPINFOHEADER *pbmih, _In_ DWORD fdwInit, _In_opt_ const VOID *pvInit, _In_opt_ const BITMAPINFO *pbmi, _In_ UINT uUsage)
#define DI_DEFAULTSIZE
Definition: wingdi.h:69
int WINAPI StretchDIBits(_In_ HDC, _In_ int, _In_ int, _In_ int, _In_ int, _In_ int, _In_ int, _In_ int, _In_ int, _In_opt_ const VOID *, _In_ const BITMAPINFO *, _In_ UINT, _In_ DWORD)
HDC WINAPI CreateDCW(_In_opt_ LPCWSTR pszDriver, _In_opt_ LPCWSTR pszDevice, _In_opt_ LPCWSTR psz, _In_opt_ const DEVMODEW *pdmInit)
int WINAPI ReleaseDC(_In_opt_ HWND, _In_ HDC)
HICON WINAPI CreateIconFromResource(_In_reads_bytes_(dwResSize) PBYTE presbits, _In_ DWORD dwResSize, _In_ BOOL fIcon, _In_ DWORD dwVer)
DWORD WINAPI GetSysColor(_In_ int)
#define IMAGE_BITMAP
Definition: winuser.h:211
#define LR_LOADTRANSPARENT
Definition: winuser.h:1093
HICON WINAPI CreateIconIndirect(_In_ PICONINFO)
Definition: cursoricon.c:2581
BOOL WINAPI DestroyCursor(_In_ HCURSOR)
Definition: cursoricon.c:2689
#define COLOR_WINDOW
Definition: winuser.h:918
#define LR_LOADFROMFILE
Definition: winuser.h:1092
#define IMAGE_ICON
Definition: winuser.h:212
HICON WINAPI CreateIcon(_In_opt_ HINSTANCE, _In_ int, _In_ int, _In_ BYTE, _In_ BYTE, _In_ const BYTE *, _In_ const BYTE *)
Definition: cursoricon.c:2395
BOOL WINAPI GetIconInfo(_In_ HICON, _Out_ PICONINFO)
Definition: cursoricon.c:2045
#define IDC_SIZENESW
Definition: winuser.h:693
int WINAPIV wsprintfW(_Out_ LPWSTR, _In_ _Printf_format_string_ LPCWSTR,...)
#define LR_COPYFROMRESOURCE
Definition: winuser.h:1099
#define LR_CREATEDIBSECTION
Definition: winuser.h:1098
BOOL WINAPI DrawIcon(_In_ HDC, _In_ int, _In_ int, _In_ HICON)
Definition: cursoricon.c:2018
#define IDC_NO
Definition: winuser.h:697
#define IS_INTRESOURCE(i)
Definition: winuser.h:580
#define IDC_ARROW
Definition: winuser.h:687
#define LR_MONOCHROME
Definition: winuser.h:1088
int WINAPI ShowCursor(_In_ BOOL)
Definition: cursoricon.c:2677
#define IDC_SIZENWSE
Definition: winuser.h:692
#define COLOR_3DSHADOW
Definition: winuser.h:931
HCURSOR WINAPI SetCursor(_In_opt_ HCURSOR)
#define IDC_SIZEALL
Definition: winuser.h:696
#define LR_COPYRETURNORG
Definition: winuser.h:1090
#define IDC_UPARROW
Definition: winuser.h:691
HANDLE WINAPI CopyImage(_In_ HANDLE, _In_ UINT, _In_ int, _In_ int, _In_ UINT)
Definition: cursoricon.c:1987
#define IDC_SIZENS
Definition: winuser.h:695
#define IDC_CROSS
Definition: winuser.h:690
#define SM_CYICON
Definition: winuser.h:973
HICON WINAPI LoadIconA(_In_opt_ HINSTANCE hInstance, _In_ LPCSTR lpIconName)
Definition: cursoricon.c:2060
#define IDC_HELP
Definition: winuser.h:700
#define IDC_APPSTARTING
Definition: winuser.h:699
BOOL WINAPI DrawIconEx(_In_ HDC, _In_ int, _In_ int, _In_ HICON, _In_ int, _In_ int, _In_ UINT, _In_opt_ HBRUSH, _In_ UINT)
Definition: cursoricon.c:2028
#define IDC_IBEAM
Definition: winuser.h:688
#define LR_COPYDELETEORG
Definition: winuser.h:1091
HDC WINAPI GetDC(_In_opt_ HWND)
#define LR_SHARED
Definition: winuser.h:1100
#define IMAGE_CURSOR
Definition: winuser.h:213
#define IDC_ICON
Definition: winuser.h:701
HANDLE WINAPI LoadImageA(_In_opt_ HINSTANCE hInst, _In_ LPCSTR name, _In_ UINT type, _In_ int cx, _In_ int cy, _In_ UINT fuLoad)
Definition: cursoricon.c:2178
#define IDC_WAIT
Definition: winuser.h:689
#define IDC_HAND
Definition: winuser.h:698
#define LR_DEFAULTSIZE
Definition: winuser.h:1094
#define MAKEINTRESOURCEW(i)
Definition: winuser.h:582
#define SM_CYCURSOR
Definition: winuser.h:975
#define IDC_SIZE
Definition: winuser.h:702
#define LR_LOADMAP3DCOLORS
Definition: winuser.h:1097
#define SM_CXICON
Definition: winuser.h:972
#define IDC_SIZEWE
Definition: winuser.h:694
int WINAPI GetSystemMetrics(_In_ int)
HCURSOR WINAPI LoadCursorA(_In_opt_ HINSTANCE, _In_ LPCSTR)
Definition: cursoricon.c:2090
#define COLOR_3DLIGHT
Definition: winuser.h:940
#define SM_CXCURSOR
Definition: winuser.h:974
BOOL WINAPI DestroyIcon(_In_ HICON)
Definition: cursoricon.c:2053
#define COLOR_3DFACE
Definition: winuser.h:929
_At_(*)(_In_ PWSK_CLIENT Client, _In_opt_ PUNICODE_STRING NodeName, _In_opt_ PUNICODE_STRING ServiceName, _In_opt_ ULONG NameSpace, _In_opt_ GUID *Provider, _In_opt_ PADDRINFOEXW Hints, _Outptr_ PADDRINFOEXW *Result, _In_opt_ PEPROCESS OwningProcess, _In_opt_ PETHREAD OwningThread, _Inout_ PIRP Irp Result)(Mem)) NTSTATUS(WSKAPI *PFN_WSK_GET_ADDRESS_INFO
Definition: wsk.h:409
_Must_inspect_result_ _In_ ULONG Flags
Definition: wsk.h:170
const char * LPCSTR
Definition: xmlstorage.h:183
__wchar_t WCHAR
Definition: xmlstorage.h:180
WCHAR * LPWSTR
Definition: xmlstorage.h:184
const WCHAR * LPCWSTR
Definition: xmlstorage.h:185
unsigned char BYTE
Definition: xxhash.c:193