1 /*
2 * icon extracting
3 *
4 * taken and slightly changed from shell
5 * this should replace the icon extraction code in shell32 and shell16 once
6 * it needs a serious test for compliance with the native API
7 *
8 * Copyright 2000 Juergen Schmied
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 */
24
25 #include <user32.h>
26
27 #ifndef ARRAY_SIZE
28 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
29 #endif
30
31 /* Start of Hack section */
32
33 WINE_DEFAULT_DEBUG_CHANNEL(icon);
34
35 #include <pshpack1.h>
36
37 typedef struct
38 {
39 BYTE bWidth; /* Width, in pixels, of the image */
40 BYTE bHeight; /* Height, in pixels, of the image */
41 BYTE bColorCount; /* Number of colors in image (0 if >=8bpp) */
42 BYTE bReserved; /* Reserved ( must be 0) */
43 WORD wPlanes; /* Color Planes */
44 WORD wBitCount; /* Bits per pixel */
45 DWORD dwBytesInRes; /* How many bytes in this resource? */
46 DWORD dwImageOffset; /* Where in the file is this image? */
47 } icoICONDIRENTRY, *LPicoICONDIRENTRY;
48
49 typedef struct
50 {
51 WORD idReserved; /* Reserved (must be 0) */
52 WORD idType; /* Resource Type (RES_ICON or RES_CURSOR) */
53 WORD idCount; /* How many images */
54 icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
55 } icoICONDIR, *LPicoICONDIR;
56
57 typedef struct
58 {
59 WORD offset;
60 WORD length;
61 WORD flags;
62 WORD id;
63 WORD handle;
64 WORD usage;
65 } NE_NAMEINFO;
66
67 typedef struct
68 {
69 WORD type_id;
70 WORD count;
71 DWORD resloader;
72 } NE_TYPEINFO;
73
74 #ifdef __REACTOS__
75 // From: James Houghtaling
76 // https://www.moon-soft.com/program/FORMAT/windows/ani.htm
77 typedef struct taganiheader
78 {
79 DWORD cbsizeof; // num bytes in aniheader (36 bytes)
80 DWORD cframes; // number of unique icons in this cursor
81 DWORD csteps; // number of blits before the animation cycles
82 DWORD cx; // reserved, must be zero.
83 DWORD cy; // reserved, must be zero.
84 DWORD cbitcount; // reserved, must be zero.
85 DWORD cplanes; // reserved, must be zero.
86 DWORD jifrate; // default jiffies (1/60th sec) if rate chunk not present.
87 DWORD flags; // animation flag
88 } aniheader;
89 #endif
90
91 #define NE_RSCTYPE_ICON 0x8003
92 #define NE_RSCTYPE_GROUP_ICON 0x800e
93
94 #include <poppack.h>
95
96 #if 0
97 static void dumpIcoDirEnty ( LPicoICONDIRENTRY entry )
98 {
99 TRACE("width = 0x%08x height = 0x%08x\n", entry->bWidth, entry->bHeight);
100 TRACE("colors = 0x%08x planes = 0x%08x\n", entry->bColorCount, entry->wPlanes);
101 TRACE("bitcount = 0x%08x bytesinres = 0x%08lx offset = 0x%08lx\n",
102 entry->wBitCount, entry->dwBytesInRes, entry->dwImageOffset);
103 }
104 static void dumpIcoDir ( LPicoICONDIR entry )
105 {
106 TRACE("type = 0x%08x count = 0x%08x\n", entry->idType, entry->idCount);
107 }
108 #endif
109
110 #ifndef WINE
111 DWORD get_best_icon_file_offset(const LPBYTE dir,
112 DWORD dwFileSize,
113 int cxDesired,
114 int cyDesired,
115 BOOL bIcon,
116 DWORD fuLoad,
117 POINT *ptHotSpot);
118 #endif
119
120 /**********************************************************************
121 * find_entry_by_id
122 *
123 * Find an entry by id in a resource directory
124 * Copied from loader/pe_resource.c (FIXME: should use exported resource functions)
125 */
find_entry_by_id(const IMAGE_RESOURCE_DIRECTORY * dir,WORD id,const void * root)126 static const IMAGE_RESOURCE_DIRECTORY *find_entry_by_id( const IMAGE_RESOURCE_DIRECTORY *dir,
127 WORD id, const void *root )
128 {
129 const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
130 int min, max, pos;
131
132 entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
133 min = dir->NumberOfNamedEntries;
134 max = min + dir->NumberOfIdEntries - 1;
135 while (min <= max)
136 {
137 pos = (min + max) / 2;
138 if (entry[pos].Id == id)
139 return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry[pos].OffsetToDirectory);
140 if (entry[pos].Id > id) max = pos - 1;
141 else min = pos + 1;
142 }
143 return NULL;
144 }
145
146 /**********************************************************************
147 * find_entry_default
148 *
149 * Find a default entry in a resource directory
150 * Copied from loader/pe_resource.c (FIXME: should use exported resource functions)
151 */
find_entry_default(const IMAGE_RESOURCE_DIRECTORY * dir,const void * root)152 static const IMAGE_RESOURCE_DIRECTORY *find_entry_default( const IMAGE_RESOURCE_DIRECTORY *dir,
153 const void *root )
154 {
155 const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
156 entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
157 return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry->OffsetToDirectory);
158 }
159
160 /*************************************************************************
161 * USER32_GetResourceTable
162 */
USER32_GetResourceTable(LPBYTE peimage,DWORD pesize,LPBYTE * retptr)163 static DWORD USER32_GetResourceTable(LPBYTE peimage,DWORD pesize,LPBYTE *retptr)
164 {
165 IMAGE_DOS_HEADER * mz_header;
166
167 TRACE("%p %p\n", peimage, retptr);
168
169 *retptr = NULL;
170
171 mz_header = (IMAGE_DOS_HEADER*) peimage;
172
173 if (mz_header->e_magic != IMAGE_DOS_SIGNATURE)
174 {
175 if (mz_header->e_cblp == 1 || mz_header->e_cblp == 2) /* .ICO or .CUR file ? */
176 {
177 *retptr = (LPBYTE)-1; /* ICONHEADER.idType, must be 1 */
178 return mz_header->e_cblp;
179 }
180 else
181 return 0; /* failed */
182 }
183 if (mz_header->e_lfanew >= pesize) {
184 return 0; /* failed, happens with PKZIP DOS Exes for instance. */
185 }
186 if (*((DWORD*)(peimage + mz_header->e_lfanew)) == IMAGE_NT_SIGNATURE )
187 return IMAGE_NT_SIGNATURE;
188
189 if (*((WORD*)(peimage + mz_header->e_lfanew)) == IMAGE_OS2_SIGNATURE )
190 {
191 IMAGE_OS2_HEADER * ne_header;
192
193 ne_header = (IMAGE_OS2_HEADER*)(peimage + mz_header->e_lfanew);
194
195 if (ne_header->ne_magic != IMAGE_OS2_SIGNATURE)
196 return 0;
197
198 if( (ne_header->ne_restab - ne_header->ne_rsrctab) <= sizeof(NE_TYPEINFO) )
199 *retptr = (LPBYTE)-1;
200 else
201 *retptr = peimage + mz_header->e_lfanew + ne_header->ne_rsrctab;
202
203 return IMAGE_OS2_SIGNATURE;
204 }
205 return 0; /* failed */
206 }
207 /*************************************************************************
208 * USER32_LoadResource
209 */
USER32_LoadResource(LPBYTE peimage,NE_NAMEINFO * pNInfo,WORD sizeShift,ULONG * uSize)210 static BYTE * USER32_LoadResource( LPBYTE peimage, NE_NAMEINFO* pNInfo, WORD sizeShift, ULONG *uSize)
211 {
212 TRACE("%p %p 0x%08x\n", peimage, pNInfo, sizeShift);
213
214 *uSize = (DWORD)pNInfo->length << sizeShift;
215 return peimage + ((DWORD)pNInfo->offset << sizeShift);
216 }
217
218 /*************************************************************************
219 * ICO_LoadIcon
220 */
ICO_LoadIcon(LPBYTE peimage,LPicoICONDIRENTRY lpiIDE,ULONG * uSize)221 static BYTE * ICO_LoadIcon( LPBYTE peimage, LPicoICONDIRENTRY lpiIDE, ULONG *uSize)
222 {
223 TRACE("%p %p\n", peimage, lpiIDE);
224
225 *uSize = lpiIDE->dwBytesInRes;
226 return peimage + lpiIDE->dwImageOffset;
227 }
228
229 /*************************************************************************
230 * ICO_GetIconDirectory
231 *
232 * Reads .ico file and build phony ICONDIR struct
233 */
ICO_GetIconDirectory(LPBYTE peimage,LPicoICONDIR * lplpiID,ULONG * uSize)234 static BYTE * ICO_GetIconDirectory( LPBYTE peimage, LPicoICONDIR* lplpiID, ULONG *uSize )
235 {
236 CURSORICONDIR * lpcid; /* icon resource in resource-dir format */
237 CURSORICONDIR * lpID; /* icon resource in resource format */
238 int i;
239
240 TRACE("%p %p\n", peimage, lplpiID);
241
242 lpcid = (CURSORICONDIR*)peimage;
243
244 if( lpcid->idReserved || (lpcid->idType != 1) || (!lpcid->idCount) )
245 return 0;
246
247 /* allocate the phony ICONDIR structure */
248 *uSize = FIELD_OFFSET(CURSORICONDIR, idEntries[lpcid->idCount]);
249 if( (lpID = HeapAlloc(GetProcessHeap(),0, *uSize) ))
250 {
251 /* copy the header */
252 lpID->idReserved = lpcid->idReserved;
253 lpID->idType = lpcid->idType;
254 lpID->idCount = lpcid->idCount;
255
256 /* copy the entries */
257 for( i=0; i < lpcid->idCount; i++ )
258 {
259 memcpy(&lpID->idEntries[i], &lpcid->idEntries[i], sizeof(CURSORICONDIRENTRY) - 2);
260 lpID->idEntries[i].wResId = i;
261 }
262
263 *lplpiID = (LPicoICONDIR)peimage;
264 return (BYTE *)lpID;
265 }
266 return 0;
267 }
268
269 /*************************************************************************
270 * ICO_ExtractIconExW [internal]
271 *
272 * NOTES
273 * nIcons = 0: returns number of Icons in file
274 *
275 * returns
276 * invalid file: -1
277 * failure:0;
278 * success: number of icons in file (nIcons = 0) or nr of icons retrieved
279 */
ICO_ExtractIconExW(LPCWSTR lpszExeFileName,HICON * RetPtr,INT nIconIndex,UINT nIcons,UINT cxDesired,UINT cyDesired,UINT * pIconId,UINT flags,BOOL fIconEx)280 static UINT ICO_ExtractIconExW(
281 LPCWSTR lpszExeFileName,
282 HICON * RetPtr,
283 INT nIconIndex,
284 UINT nIcons,
285 UINT cxDesired,
286 UINT cyDesired,
287 UINT *pIconId,
288 #ifdef __REACTOS__
289 UINT flags,
290 /* This function is called from two different code paths.
291 * One is from Shell32 using the ExtractIconEx function.
292 * The other is from User32 using PrivateExtractIcons.
293 * Based on W2K3SP2 testing, the count of icons returned
294 * is zero (0) for PNG ones using ExtractIconEx and
295 * one (1) for PNG icons using PrivateExtractIcons.
296 * We can handle the difference using the fIconEx flag.*/
297 BOOL fIconEx)
298 #else
299 UINT flags)
300 #endif
301 {
302 UINT ret = 0;
303 UINT cx1, cx2, cy1, cy2;
304 LPBYTE pData;
305 DWORD sig;
306 HANDLE hFile;
307 UINT16 iconDirCount = 0,iconCount = 0;
308 LPBYTE peimage;
309 HANDLE fmapping;
310 DWORD fsizeh,fsizel;
311 #ifdef __REACTOS__
312 WCHAR szExpandedExePath[MAX_PATH];
313 #endif
314 WCHAR szExePath[MAX_PATH];
315 DWORD dwSearchReturn;
316
317 #ifdef __REACTOS__
318 TRACE("%s, %d, %d, %p, 0x%08x, %d\n", debugstr_w(lpszExeFileName), nIconIndex, nIcons, pIconId, flags, fIconEx);
319 #else
320 TRACE("%s, %d, %d %p 0x%08x\n", debugstr_w(lpszExeFileName), nIconIndex, nIcons, pIconId, flags);
321 #endif
322
323 #ifdef __REACTOS__
324 if (RetPtr)
325 *RetPtr = NULL;
326
327 if (ExpandEnvironmentStringsW(lpszExeFileName, szExpandedExePath, ARRAY_SIZE(szExpandedExePath)))
328 lpszExeFileName = szExpandedExePath;
329 #endif
330
331 dwSearchReturn = SearchPathW(NULL, lpszExeFileName, NULL, ARRAY_SIZE(szExePath), szExePath, NULL);
332 if ((dwSearchReturn == 0) || (dwSearchReturn > ARRAY_SIZE(szExePath)))
333 {
334 #ifdef __REACTOS__
335 WARN("File %s not found or path too long and fIconEx is '%d'\n",
336 debugstr_w(lpszExeFileName), fIconEx);
337 if (fIconEx && !RetPtr && !pIconId)
338 return 0;
339 else
340 return -1;
341 #else
342 WARN("File %s not found or path too long\n", debugstr_w(lpszExeFileName));
343 return -1;
344 #endif
345 }
346
347 hFile = CreateFileW(szExePath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
348 if (hFile == INVALID_HANDLE_VALUE) return ret;
349 fsizel = GetFileSize(hFile,&fsizeh);
350
351 /* Map the file */
352 fmapping = CreateFileMappingW(hFile, NULL, PAGE_READONLY | SEC_COMMIT, 0, 0, NULL);
353 CloseHandle(hFile);
354 if (!fmapping)
355 {
356 WARN("CreateFileMapping error %ld\n", GetLastError() );
357 return 0xFFFFFFFF;
358 }
359
360 if (!(peimage = MapViewOfFile(fmapping, FILE_MAP_READ, 0, 0, 0)))
361 {
362 WARN("MapViewOfFile error %ld\n", GetLastError() );
363 CloseHandle(fmapping);
364 return 0xFFFFFFFF;
365 }
366 CloseHandle(fmapping);
367
368 #ifdef __REACTOS__
369 /* Check if we have a min size of 2 headers RIFF & 'icon'
370 * at 8 chars each plus an anih header of 36 byptes.
371 * Also, is this resource an animjated icon/cursor (RIFF) */
372 if ((fsizel >= 52) && !memcmp(peimage, "RIFF", 4))
373 {
374 UINT anihOffset;
375 UINT anihMax;
376 /* Get size of the animation data */
377 ULONG uSize = MAKEWORD(peimage[4], peimage[5]);
378
379 /* Check if uSize is reasonable with respect to fsizel */
380 if ((uSize < strlen("anih")) || (uSize > fsizel))
381 goto end;
382
383 /* Look though the reported size less search string length */
384 anihMax = uSize - strlen("anih");
385 /* Search for 'anih' indicating animation header */
386 for (anihOffset = 0; anihOffset < anihMax; anihOffset++)
387 {
388 if (memcmp(&peimage[anihOffset], "anih", 4) == 0)
389 break;
390 }
391
392 if (anihOffset + sizeof(aniheader) > fsizel)
393 goto end;
394
395 /* Get count of images for return value */
396 ret = MAKEWORD(peimage[anihOffset + 12], peimage[anihOffset + 13]);
397
398 TRACE("RIFF File with '%u' images at Offset '%u'.\n", ret, anihOffset);
399
400 cx1 = LOWORD(cxDesired);
401 cy1 = LOWORD(cyDesired);
402
403 if (RetPtr)
404 {
405 RetPtr[0] = CreateIconFromResourceEx(peimage, uSize, TRUE, 0x00030000, cx1, cy1, flags);
406 }
407 goto end;
408 }
409 #endif
410
411 cx1 = LOWORD(cxDesired);
412 cx2 = HIWORD(cxDesired);
413 cy1 = LOWORD(cyDesired);
414 cy2 = HIWORD(cyDesired);
415
416 if (pIconId) /* Invalidate first icon identifier */
417 *pIconId = 0xFFFFFFFF;
418
419 if (!pIconId) /* if no icon identifier array present use the icon handle array as intermediate storage */
420 pIconId = (UINT*)RetPtr;
421
422 sig = USER32_GetResourceTable(peimage, fsizel, &pData);
423
424 /* NE exe/dll */
425 if (sig==IMAGE_OS2_SIGNATURE)
426 {
427 BYTE *pCIDir = 0;
428 NE_TYPEINFO *pTInfo = (NE_TYPEINFO*)(pData + 2);
429 NE_NAMEINFO *pIconStorage = NULL;
430 NE_NAMEINFO *pIconDir = NULL;
431 LPicoICONDIR lpiID = NULL;
432 ULONG uSize = 0;
433
434 TRACE("-- OS2/icon Signature (0x%08x)\n", sig);
435
436 if (pData == (BYTE*)-1)
437 {
438 pCIDir = ICO_GetIconDirectory(peimage, &lpiID, &uSize); /* check for .ICO file */
439 if (pCIDir)
440 {
441 iconDirCount = 1; iconCount = lpiID->idCount;
442 TRACE("-- icon found %p 0x%08x 0x%08x 0x%08x\n", pCIDir, uSize, iconDirCount, iconCount);
443 }
444 }
445 else while (pTInfo->type_id && !(pIconStorage && pIconDir))
446 {
447 if (pTInfo->type_id == NE_RSCTYPE_GROUP_ICON) /* find icon directory and icon repository */
448 {
449 iconDirCount = pTInfo->count;
450 pIconDir = ((NE_NAMEINFO*)(pTInfo + 1));
451 TRACE("\tfound directory - %i icon families\n", iconDirCount);
452 }
453 if (pTInfo->type_id == NE_RSCTYPE_ICON)
454 {
455 iconCount = pTInfo->count;
456 pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
457 TRACE("\ttotal icons - %i\n", iconCount);
458 }
459 pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO));
460 }
461
462 if ((pIconStorage && pIconDir) || lpiID) /* load resources and create icons */
463 {
464 if (nIcons == 0)
465 {
466 ret = iconDirCount;
467 if (lpiID) /* *.ico file, deallocate heap pointer*/
468 HeapFree(GetProcessHeap(), 0, pCIDir);
469 }
470 else if (nIconIndex < iconDirCount)
471 {
472 UINT16 i, icon;
473 if (nIcons > iconDirCount - nIconIndex)
474 nIcons = iconDirCount - nIconIndex;
475
476 for (i = 0; i < nIcons; i++)
477 {
478 /* .ICO files have only one icon directory */
479 if (lpiID == NULL) /* not *.ico */
480 pCIDir = USER32_LoadResource(peimage, pIconDir + i + nIconIndex, *(WORD*)pData, &uSize);
481 pIconId[i] = LookupIconIdFromDirectoryEx(pCIDir, TRUE, cx1, cy1, flags);
482 if (cx2 && cy2) pIconId[++i] = LookupIconIdFromDirectoryEx(pCIDir, TRUE, cx2, cy2, flags);
483 }
484 if (lpiID) /* *.ico file, deallocate heap pointer*/
485 HeapFree(GetProcessHeap(), 0, pCIDir);
486
487 for (icon = 0; icon < nIcons; icon++)
488 {
489 pCIDir = NULL;
490 if (lpiID)
491 pCIDir = ICO_LoadIcon(peimage, lpiID->idEntries + (int)pIconId[icon], &uSize);
492 else
493 for (i = 0; i < iconCount; i++)
494 if (pIconStorage[i].id == ((int)pIconId[icon] | 0x8000) )
495 pCIDir = USER32_LoadResource(peimage, pIconStorage + i, *(WORD*)pData, &uSize);
496
497 if (pCIDir)
498 {
499 RetPtr[icon] = CreateIconFromResourceEx(pCIDir, uSize, TRUE, 0x00030000,
500 cx1, cy1, flags);
501 if (cx2 && cy2)
502 RetPtr[++icon] = CreateIconFromResourceEx(pCIDir, uSize, TRUE, 0x00030000,
503 cx2, cy2, flags);
504 }
505 else
506 RetPtr[icon] = 0;
507 }
508 ret = icon; /* return number of retrieved icons */
509 }
510 }
511 }
512 else
513 if (sig == 1 || sig == 2) /* .ICO or .CUR file */
514 {
515 TRACE("-- icon Signature (0x%08x)\n", sig);
516
517 if (pData == (BYTE*)-1)
518 {
519 INT cx[2] = {cx1, cx2}, cy[2] = {cy1, cy2};
520 INT index;
521
522 for(index = 0; index < (cx2 || cy2 ? 2 : 1); index++)
523 {
524 DWORD dataOffset;
525 LPBYTE imageData;
526 POINT hotSpot;
527 #ifndef __REACTOS__
528 LPICONIMAGE entry;
529 #endif
530
531 dataOffset = get_best_icon_file_offset(peimage, fsizel, cx[index], cy[index], sig == 1, flags, sig == 1 ? NULL : &hotSpot);
532
533 if (dataOffset)
534 {
535 HICON icon;
536 WORD *cursorData = NULL;
537 #ifdef __REACTOS__
538 BITMAPINFOHEADER bi;
539 DWORD cbColorTable = 0, cbTotal;
540 #endif
541
542 imageData = peimage + dataOffset;
543 #ifdef __REACTOS__
544 /* Calculate the size of color table */
545 ZeroMemory(&bi, sizeof(bi));
546 CopyMemory(&bi, imageData, sizeof(BITMAPCOREHEADER));
547 if (bi.biBitCount <= 8)
548 {
549 if (bi.biSize >= sizeof(BITMAPINFOHEADER))
550 {
551 CopyMemory(&bi, imageData, sizeof(BITMAPINFOHEADER));
552 if (bi.biClrUsed)
553 cbColorTable = bi.biClrUsed * sizeof(RGBQUAD);
554 else
555 cbColorTable = (1 << bi.biBitCount) * sizeof(RGBQUAD);
556 }
557 else if (bi.biSize == sizeof(BITMAPCOREHEADER))
558 {
559 cbColorTable = (1 << bi.biBitCount) * sizeof(RGBTRIPLE);
560 }
561 }
562
563 /* biSizeImage is the size of the raw bitmap data.
564 * https://en.wikipedia.org/wiki/BMP_file_format */
565 if (bi.biSizeImage == 0)
566 {
567 /* Calculate image size */
568 #define WIDTHBYTES(width, bits) (((width) * (bits) + 31) / 32 * 4)
569 bi.biSizeImage = WIDTHBYTES(bi.biWidth, bi.biBitCount) * (bi.biHeight / 2);
570 bi.biSizeImage += WIDTHBYTES(bi.biWidth, 1) * (bi.biHeight / 2);
571 #undef WIDTHBYTES
572 }
573
574 /* Calculate total size */
575 cbTotal = bi.biSize + cbColorTable + bi.biSizeImage;
576 #else
577 entry = (LPICONIMAGE)(imageData);
578 #endif
579
580 if(sig == 2)
581 {
582 /* we need to prepend the bitmap data with hot spots for CreateIconFromResourceEx */
583 #ifdef __REACTOS__
584 cursorData = HeapAlloc(GetProcessHeap(), 0, 2 * sizeof(WORD) + cbTotal);
585 #else
586 cursorData = HeapAlloc(GetProcessHeap(), 0, entry->icHeader.biSizeImage + 2 * sizeof(WORD));
587 #endif
588
589 if(!cursorData)
590 continue;
591
592 cursorData[0] = hotSpot.x;
593 cursorData[1] = hotSpot.y;
594
595 #ifdef __REACTOS__
596 CopyMemory(cursorData + 2, imageData, cbTotal);
597 #else
598 memcpy(cursorData + 2, imageData, entry->icHeader.biSizeImage);
599 #endif
600
601 imageData = (LPBYTE)cursorData;
602 }
603
604 #ifdef __REACTOS__
605 icon = CreateIconFromResourceEx(imageData, cbTotal, sig == 1, 0x00030000, cx[index], cy[index], flags);
606 if (fIconEx && sig == 1)
607 iconCount = 1;
608 #else
609 icon = CreateIconFromResourceEx(imageData, entry->icHeader.biSizeImage, sig == 1, 0x00030000, cx[index], cy[index], flags);
610 #endif
611
612 HeapFree(GetProcessHeap(), 0, cursorData);
613
614 if (icon)
615 {
616 if (RetPtr)
617 RetPtr[index] = icon;
618 else
619 DestroyIcon(icon);
620
621 iconCount = 1;
622 break;
623 }
624 }
625 }
626 }
627 ret = iconCount; /* return number of retrieved icons */
628 }
629 /* end ico file */
630
631 /* exe/dll */
632 else if( sig == IMAGE_NT_SIGNATURE )
633 {
634 BYTE *idata, *igdata;
635 const IMAGE_RESOURCE_DIRECTORY *rootresdir, *iconresdir, *icongroupresdir;
636 const IMAGE_RESOURCE_DATA_ENTRY *idataent, *igdataent;
637 const IMAGE_RESOURCE_DIRECTORY_ENTRY *xresent;
638 ULONG size;
639 UINT i;
640
641 rootresdir = RtlImageDirectoryEntryToData((HMODULE)peimage, FALSE, IMAGE_DIRECTORY_ENTRY_RESOURCE, &size);
642 if (!rootresdir)
643 {
644 WARN("haven't found section for resource directory.\n");
645 goto end;
646 }
647
648 #ifdef __REACTOS__
649 /* Check for boundary limit (and overflow) */
650 if (((ULONG_PTR)(rootresdir + 1) < (ULONG_PTR)rootresdir) ||
651 ((ULONG_PTR)(rootresdir + 1) > (ULONG_PTR)peimage + fsizel))
652 {
653 goto end;
654 }
655 #endif
656
657 /* search for the group icon directory */
658 if (!(icongroupresdir = find_entry_by_id(rootresdir, LOWORD(RT_GROUP_ICON), rootresdir)))
659 {
660 WARN("No Icongroupresourcedirectory!\n");
661 goto end; /* failure */
662 }
663 iconDirCount = icongroupresdir->NumberOfNamedEntries + icongroupresdir->NumberOfIdEntries;
664
665 /* only number of icons requested */
666 if( !pIconId )
667 {
668 ret = iconDirCount;
669 goto end; /* success */
670 }
671
672 if( nIconIndex < 0 )
673 {
674 /* search resource id */
675 int n = 0;
676 int iId = abs(nIconIndex);
677 const IMAGE_RESOURCE_DIRECTORY_ENTRY* xprdeTmp = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(icongroupresdir+1);
678
679 while(n<iconDirCount && xprdeTmp)
680 {
681 if(xprdeTmp->Id == iId)
682 {
683 nIconIndex = n;
684 break;
685 }
686 n++;
687 xprdeTmp++;
688 }
689 if (nIconIndex < 0)
690 {
691 WARN("resource id %d not found\n", iId);
692 goto end; /* failure */
693 }
694 }
695 else
696 {
697 /* check nIconIndex to be in range */
698 if (nIconIndex >= iconDirCount)
699 {
700 WARN("nIconIndex %d is larger than iconDirCount %d\n",nIconIndex,iconDirCount);
701 goto end; /* failure */
702 }
703 }
704
705 /* assure we don't get too much */
706 if( nIcons > iconDirCount - nIconIndex )
707 nIcons = iconDirCount - nIconIndex;
708
709 /* starting from specified index */
710 xresent = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(icongroupresdir+1) + nIconIndex;
711
712 for (i=0; i < nIcons; i++,xresent++)
713 {
714 const IMAGE_RESOURCE_DIRECTORY *resdir;
715
716 /* go down this resource entry, name */
717 resdir = (const IMAGE_RESOURCE_DIRECTORY *)((const char *)rootresdir + xresent->OffsetToDirectory);
718
719 /* default language (0) */
720 resdir = find_entry_default(resdir,rootresdir);
721 igdataent = (const IMAGE_RESOURCE_DATA_ENTRY*)resdir;
722
723 /* lookup address in mapped image for virtual address */
724 igdata = RtlImageRvaToVa(RtlImageNtHeader((HMODULE)peimage), (HMODULE)peimage, igdataent->OffsetToData, NULL);
725 if (!igdata)
726 {
727 FIXME("no matching real address for icongroup!\n");
728 goto end; /* failure */
729 }
730 pIconId[i] = LookupIconIdFromDirectoryEx(igdata, TRUE, cx1, cy1, flags);
731 if (cx2 && cy2) pIconId[++i] = LookupIconIdFromDirectoryEx(igdata, TRUE, cx2, cy2, flags);
732 }
733
734 if (!(iconresdir=find_entry_by_id(rootresdir,LOWORD(RT_ICON),rootresdir)))
735 {
736 WARN("No Iconresourcedirectory!\n");
737 goto end; /* failure */
738 }
739
740 for (i=0; i<nIcons; i++)
741 {
742 const IMAGE_RESOURCE_DIRECTORY *xresdir;
743 xresdir = find_entry_by_id(iconresdir, LOWORD(pIconId[i]), rootresdir);
744 if( !xresdir )
745 {
746 #ifdef __REACTOS__
747 /* XP/2K3 can decode icons this way. Vista/7 cannot. This handles
748 * damaged Resources in 'Icon Group' by falling back to 'Icon' resources.
749 * Older Watcom C/C++ compilers can generate such a case */
750 const IMAGE_RESOURCE_DIRECTORY *resdir;
751 WARN("icon entry %d not found\n", LOWORD(pIconId[i]));
752
753 /* Try to get an icon by walking the files Resource Section */
754 if (iconresdir->NumberOfIdEntries > 0)
755 {
756 xresent = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)
757 (ULONG_PTR)(iconresdir + 1);
758 }
759 else
760 {
761 RetPtr[i] = 0;
762 continue;
763 }
764
765 /* Get the Resource Directory */
766 resdir = (const IMAGE_RESOURCE_DIRECTORY *)
767 ((const char *)rootresdir + xresent->OffsetToDirectory);
768
769 if (resdir->NumberOfIdEntries > 0) // Do we have entries
770 {
771 xresent = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)
772 (ULONG_PTR)(resdir + 1);
773 }
774 else
775 {
776 RetPtr[i] = 0;
777 continue;
778 }
779
780 /* Retrieve the data entry and find its address */
781 igdataent = (const IMAGE_RESOURCE_DATA_ENTRY*)
782 ((const char *)rootresdir + xresent->OffsetToData);
783 idata = RtlImageRvaToVa(RtlImageNtHeader((HMODULE)peimage),
784 (HMODULE)peimage, igdataent->OffsetToData, NULL);
785 if (!idata)
786 {
787 RetPtr[i] = 0;
788 continue;
789 }
790
791 /* Check to see if this looks like an icon bitmap */
792 if (idata[0] == sizeof(BITMAPINFOHEADER))
793 {
794 BITMAPINFOHEADER bmih;
795 RtlCopyMemory(&bmih, idata, sizeof(BITMAPINFOHEADER));
796 /* Do the Width and Height look correct for an icon */
797 if ((bmih.biWidth * 2) == bmih.biHeight)
798 {
799 RetPtr[0] = CreateIconFromResourceEx(idata, igdataent->Size,
800 TRUE, 0x00030000, cx1, cy1, flags);
801 if (cx2 && cy2)
802 RetPtr[1] = CreateIconFromResourceEx(idata, idataent->Size,
803 TRUE, 0x00030000, cx2, cy2, flags);
804 ret = 1; // Set number of icons found
805 goto end; // Success so Exit
806 }
807 }
808 else
809 {
810 RetPtr[i] = 0;
811 continue;
812 }
813 #else
814 WARN("icon entry %d not found\n", LOWORD(pIconId[i]));
815 RetPtr[i]=0;
816 continue;
817 #endif
818 }
819 xresdir = find_entry_default(xresdir, rootresdir);
820 idataent = (const IMAGE_RESOURCE_DATA_ENTRY*)xresdir;
821
822 idata = RtlImageRvaToVa(RtlImageNtHeader((HMODULE)peimage), (HMODULE)peimage, idataent->OffsetToData, NULL);
823 if (!idata)
824 {
825 WARN("no matching real address found for icondata!\n");
826 RetPtr[i]=0;
827 continue;
828 }
829 RetPtr[i] = CreateIconFromResourceEx(idata, idataent->Size, TRUE, 0x00030000, cx1, cy1, flags);
830 if (cx2 && cy2)
831 RetPtr[++i] = CreateIconFromResourceEx(idata, idataent->Size, TRUE, 0x00030000, cx2, cy2, flags);
832 }
833 ret = i; /* return number of retrieved icons */
834 } /* if(sig == IMAGE_NT_SIGNATURE) */
835
836 end:
837 UnmapViewOfFile(peimage); /* success */
838 return ret;
839 }
840
841 /***********************************************************************
842 * PrivateExtractIconsW [USER32.@]
843 *
844 * NOTES
845 * If HIWORD(sizeX) && HIWORD(sizeY) 2 * ((nIcons + 1) MOD 2) icons are
846 * returned, with the LOWORD size icon first and the HIWORD size icon
847 * second.
848 * Also the Windows equivalent does extract icons in a strange way if
849 * nIndex is negative. Our implementation treats a negative nIndex as
850 * looking for that resource identifier for the first icon to retrieve.
851 *
852 * FIXME:
853 * should also support 16 bit EXE + DLLs, cursor and animated cursor as
854 * well as bitmap files.
855 */
856
PrivateExtractIconsW(LPCWSTR lpwstrFile,int nIndex,int sizeX,int sizeY,HICON * phicon,UINT * pIconId,UINT nIcons,UINT flags)857 UINT WINAPI PrivateExtractIconsW (
858 LPCWSTR lpwstrFile,
859 int nIndex,
860 int sizeX,
861 int sizeY,
862 HICON * phicon, /* [out] pointer to array of nIcons HICON handles */
863 UINT* pIconId, /* [out] pointer to array of nIcons icon identifiers or NULL */
864 UINT nIcons, /* [in] number of icons to retrieve */
865 UINT flags ) /* [in] LR_* flags used by LoadImage */
866 {
867 TRACE("%s %d %dx%d %p %p %d 0x%08x\n",
868 debugstr_w(lpwstrFile), nIndex, sizeX, sizeY, phicon, pIconId, nIcons, flags);
869
870 if ((nIcons & 1) && HIWORD(sizeX) && HIWORD(sizeY))
871 {
872 WARN("Uneven number %d of icons requested for small and large icons!\n", nIcons);
873 }
874 #ifdef __REACTOS__
875 return ICO_ExtractIconExW(lpwstrFile, phicon, nIndex, nIcons, sizeX, sizeY,
876 pIconId, flags, TRUE);
877 #else
878 return ICO_ExtractIconExW(lpwstrFile, phicon, nIndex, nIcons, sizeX, sizeY, pIconId, flags);
879 #endif
880 }
881
882 /***********************************************************************
883 * PrivateExtractIconsA [USER32.@]
884 */
885
PrivateExtractIconsA(LPCSTR lpstrFile,int nIndex,int sizeX,int sizeY,HICON * phicon,UINT * piconid,UINT nIcons,UINT flags)886 UINT WINAPI PrivateExtractIconsA (
887 LPCSTR lpstrFile,
888 int nIndex,
889 int sizeX,
890 int sizeY,
891 HICON * phicon, /* [out] pointer to array of nIcons HICON handles */
892 UINT* piconid, /* [out] pointer to array of nIcons icon identifiers or NULL */
893 UINT nIcons, /* [in] number of icons to retrieve */
894 UINT flags ) /* [in] LR_* flags used by LoadImage */
895 {
896 UINT ret;
897 INT len = MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, NULL, 0);
898 LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
899 #ifdef __REACTOS__
900 if (lpwstrFile == NULL)
901 return 0;
902 #endif
903
904 MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, lpwstrFile, len);
905 ret = PrivateExtractIconsW(lpwstrFile, nIndex, sizeX, sizeY, phicon, piconid, nIcons, flags);
906
907 HeapFree(GetProcessHeap(), 0, lpwstrFile);
908 return ret;
909 }
910
911 /***********************************************************************
912 * PrivateExtractIconExW [USER32.@]
913 * NOTES
914 * if nIndex == -1 it returns the number of icons in any case !!!
915 */
PrivateExtractIconExW(LPCWSTR lpwstrFile,int nIndex,HICON * phIconLarge,HICON * phIconSmall,UINT nIcons)916 UINT WINAPI PrivateExtractIconExW (
917 LPCWSTR lpwstrFile,
918 int nIndex,
919 HICON * phIconLarge,
920 HICON * phIconSmall,
921 UINT nIcons )
922 {
923 DWORD cyicon, cysmicon, cxicon, cxsmicon;
924 UINT ret = 0;
925
926 TRACE("%s %d %p %p %d\n",
927 debugstr_w(lpwstrFile),nIndex,phIconLarge, phIconSmall, nIcons);
928
929 #ifdef __REACTOS__
930 if (nIndex == -1 || (!phIconSmall && !phIconLarge))
931 /* get the number of icons */
932 return ICO_ExtractIconExW(lpwstrFile, NULL, 0, 0, 0, 0, NULL,
933 LR_DEFAULTCOLOR, FALSE);
934 #else
935 if (nIndex == -1)
936 /* get the number of icons */
937 return ICO_ExtractIconExW(lpwstrFile, NULL, 0, 0, 0, 0, NULL, LR_DEFAULTCOLOR);
938 #endif
939
940 if (nIcons == 1 && phIconSmall && phIconLarge)
941 {
942 HICON hIcon[2];
943 cxicon = GetSystemMetrics(SM_CXICON);
944 cyicon = GetSystemMetrics(SM_CYICON);
945 cxsmicon = GetSystemMetrics(SM_CXSMICON);
946 cysmicon = GetSystemMetrics(SM_CYSMICON);
947
948 #ifdef __REACTOS__
949 ret = ICO_ExtractIconExW(lpwstrFile, hIcon, nIndex, 2,
950 cxicon | (cxsmicon<<16),
951 cyicon | (cysmicon<<16), NULL,
952 LR_DEFAULTCOLOR, FALSE);
953 #else
954 ret = ICO_ExtractIconExW(lpwstrFile, hIcon, nIndex, 2, cxicon | (cxsmicon<<16),
955 cyicon | (cysmicon<<16), NULL, LR_DEFAULTCOLOR);
956 #endif
957 *phIconLarge = hIcon[0];
958 *phIconSmall = hIcon[1];
959 return ret;
960 }
961
962 if (phIconSmall)
963 {
964 /* extract n small icons */
965 cxsmicon = GetSystemMetrics(SM_CXSMICON);
966 cysmicon = GetSystemMetrics(SM_CYSMICON);
967 #ifdef __REACTOS__
968 ret = ICO_ExtractIconExW(lpwstrFile, phIconSmall, nIndex, nIcons, cxsmicon,
969 cysmicon, NULL, LR_DEFAULTCOLOR, FALSE);
970 #else
971 ret = ICO_ExtractIconExW(lpwstrFile, phIconSmall, nIndex, nIcons, cxsmicon,
972 cysmicon, NULL, LR_DEFAULTCOLOR);
973 #endif
974 }
975 if (phIconLarge)
976 {
977 /* extract n large icons */
978 cxicon = GetSystemMetrics(SM_CXICON);
979 cyicon = GetSystemMetrics(SM_CYICON);
980 #ifdef __REACTOS__
981 ret = ICO_ExtractIconExW(lpwstrFile, phIconLarge, nIndex, nIcons, cxicon,
982 cyicon, NULL, LR_DEFAULTCOLOR, FALSE);
983 #else
984 ret = ICO_ExtractIconExW(lpwstrFile, phIconLarge, nIndex, nIcons, cxicon,
985 cyicon, NULL, LR_DEFAULTCOLOR);
986 #endif
987 }
988 return ret;
989 }
990
991 /***********************************************************************
992 * PrivateExtractIconExA [USER32.@]
993 */
PrivateExtractIconExA(LPCSTR lpstrFile,int nIndex,HICON * phIconLarge,HICON * phIconSmall,UINT nIcons)994 UINT WINAPI PrivateExtractIconExA (
995 LPCSTR lpstrFile,
996 int nIndex,
997 HICON * phIconLarge,
998 HICON * phIconSmall,
999 UINT nIcons )
1000 {
1001 UINT ret;
1002 INT len = MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, NULL, 0);
1003 LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1004 #ifdef __REACTOS__
1005 if (lpwstrFile == NULL)
1006 return 0;
1007 #endif
1008
1009 TRACE("%s %d %p %p %d\n", lpstrFile, nIndex, phIconLarge, phIconSmall, nIcons);
1010
1011 MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, lpwstrFile, len);
1012 ret = PrivateExtractIconExW(lpwstrFile, nIndex, phIconLarge, phIconSmall, nIcons);
1013 HeapFree(GetProcessHeap(), 0, lpwstrFile);
1014 return ret;
1015 }
1016