dll/win32/comctl32/animate.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2 /*
   3  * Animation control
   4  *
   5  * Copyright 1998, 1999 Eric Kohl
   6  * Copyright 1999 Eric Pouech
   7  * Copyright 2005 Dimitrie O. Paun
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  *
  23  * NOTES
  24  *
  25  * This code was audited for completeness against the documented features
  26  * of Comctl32.dll version 6.0 on Mar. 15, 2005, by Dimitrie O. Paun.
  27  *
  28  * Unless otherwise noted, we believe this code to be complete, as per
  29  * the specification mentioned above.
  30  * If you discover missing features, or bugs, please note them below.
  31  *
  32  * TODO:
  33  *   - check for the 'rec ' list in some AVI files
  34  */
  35
  36 #include "comctl32.h"
  37
  38 #include <vfw.h>
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(animate);
  41
  42 static struct {
  43     HMODULE     hModule;
  44     HIC         (WINAPI *fnICOpen)(DWORD, DWORD, UINT);
  45     LRESULT     (WINAPI *fnICClose)(HIC);
  46     LRESULT     (WINAPI *fnICSendMessage)(HIC, UINT, DWORD_PTR, DWORD_PTR);
  47     DWORD       (WINAPIV *fnICDecompress)(HIC,DWORD,LPBITMAPINFOHEADER,LPVOID,LPBITMAPINFOHEADER,LPVOID);
  48 } fnIC;
  49
  50 typedef struct
  51 {
  52    /* reference to input stream (file or resource) */
  53    HGLOBAL              hRes;
  54    HMMIO                hMMio;  /* handle to mmio stream */
  55    HWND                 hwndSelf;
  56    HWND                 hwndNotify;
  57    DWORD                dwStyle;
  58    /* information on the loaded AVI file */
  59    MainAVIHeader        mah;
  60    AVIStreamHeader      ash;
  61    LPBITMAPINFOHEADER   inbih;
  62    LPDWORD              lpIndex;
  63    /* data for the decompressor */
  64    HIC                  hic;
  65    LPBITMAPINFOHEADER   outbih;
  66    LPVOID               indata;
  67    LPVOID               outdata;
  68    /* data for the background mechanism */
  69    CRITICAL_SECTION     cs;
  70    HANDLE               hStopEvent;
  71    HANDLE               hThread;
  72    DWORD                threadId;
  73    UINT                 uTimer;
  74    /* data for playing the file */
  75    int                  nFromFrame;
  76    int                  nToFrame;
  77    int                  nLoop;
  78    int                  currFrame;
  79    /* transparency info*/
  80    COLORREF             transparentColor;
  81    HBRUSH               hbrushBG;
  82    HBITMAP              hbmPrevFrame;
  83 } ANIMATE_INFO;
  84
  85 #define ANIMATE_COLOR_NONE      0xffffffff
  86
  87 static void ANIMATE_Notify(const ANIMATE_INFO *infoPtr, UINT notif)
  88 {
  89     PostMessageW(infoPtr->hwndNotify, WM_COMMAND,
  90                  MAKEWPARAM(GetDlgCtrlID(infoPtr->hwndSelf), notif),
  91                  (LPARAM)infoPtr->hwndSelf);
  92 }
  93
  94 static BOOL ANIMATE_LoadResW(ANIMATE_INFO *infoPtr, HINSTANCE hInst, LPCWSTR lpName)
  95 {
  96     static const WCHAR aviW[] = { 'A', 'V', 'I', 0 };
  97     HRSRC       hrsrc;
  98     MMIOINFO    mminfo;
  99     LPVOID      lpAvi;
 100
 101     hrsrc = FindResourceW(hInst, lpName, aviW);
 102     if (!hrsrc)
 103         return FALSE;
 104
 105     infoPtr->hRes = LoadResource(hInst, hrsrc);
 106     if (!infoPtr->hRes)
 107         return FALSE;
 108
 109     lpAvi = LockResource(infoPtr->hRes);
 110     if (!lpAvi)
 111         return FALSE;
 112
 113     memset(&mminfo, 0, sizeof(mminfo));
 114     mminfo.fccIOProc = FOURCC_MEM;
 115     mminfo.pchBuffer = lpAvi;
 116     mminfo.cchBuffer = SizeofResource(hInst, hrsrc);
 117     infoPtr->hMMio = mmioOpenW(NULL, &mminfo, MMIO_READ);
 118     if (!infoPtr->hMMio)
 119     {
 120         FreeResource(infoPtr->hRes);
 121         return FALSE;
 122     }
 123
 124     return TRUE;
 125 }
 126
 127
 128 static BOOL ANIMATE_LoadFileW(ANIMATE_INFO *infoPtr, LPWSTR lpName)
 129 {
 130     infoPtr->hMMio = mmioOpenW(lpName, 0, MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
 131
 132     if(!infoPtr->hMMio) return FALSE;
 133     return TRUE;
 134 }
 135
 136
 137 static BOOL ANIMATE_DoStop(ANIMATE_INFO *infoPtr)
 138 {
 139     BOOL stopped = FALSE;
 140
 141     EnterCriticalSection(&infoPtr->cs);
 142
 143     /* should stop playing */
 144     if (infoPtr->hThread)
 145     {
 146         HANDLE handle = infoPtr->hThread;
 147
 148         TRACE("stopping animation thread\n");
 149         infoPtr->hThread = 0;
 150         SetEvent( infoPtr->hStopEvent );
 151
 152         if (infoPtr->threadId != GetCurrentThreadId())
 153         {
 154             LeaveCriticalSection(&infoPtr->cs);  /* leave it a chance to run */
 155             WaitForSingleObject( handle, INFINITE );
 156             TRACE("animation thread stopped\n");
 157             EnterCriticalSection(&infoPtr->cs);
 158         }
 159
 160         CloseHandle( handle );
 161         CloseHandle( infoPtr->hStopEvent );
 162         infoPtr->hStopEvent = 0;
 163         stopped = TRUE;
 164     }
 165     if (infoPtr->uTimer) {
 166         KillTimer(infoPtr->hwndSelf, infoPtr->uTimer);
 167         infoPtr->uTimer = 0;
 168         stopped = TRUE;
 169     }
 170
 171     LeaveCriticalSection(&infoPtr->cs);
 172
 173     if (stopped)
 174         ANIMATE_Notify(infoPtr, ACN_STOP);
 175
 176     return TRUE;
 177 }
 178
 179
 180 static void ANIMATE_Free(ANIMATE_INFO *infoPtr)
 181 {
 182     if (infoPtr->hMMio) {
 183         ANIMATE_DoStop(infoPtr);
 184         mmioClose(infoPtr->hMMio, 0);
 185         if (infoPtr->hRes) {
 186             FreeResource(infoPtr->hRes);
 187             infoPtr->hRes = 0;
 188         }
 189         Free (infoPtr->lpIndex);
 190         infoPtr->lpIndex = NULL;
 191         if (infoPtr->hic) {
 192             fnIC.fnICClose(infoPtr->hic);
 193             infoPtr->hic = 0;
 194         }
 195         Free (infoPtr->inbih);
 196         infoPtr->inbih = NULL;
 197         Free (infoPtr->outbih);
 198         infoPtr->outbih = NULL;
 199         Free (infoPtr->indata);
 200         infoPtr->indata = NULL;
 201         Free (infoPtr->outdata);
 202         infoPtr->outdata = NULL;
 203         if( infoPtr->hbmPrevFrame )
 204         {
 205             DeleteObject(infoPtr->hbmPrevFrame);
 206             infoPtr->hbmPrevFrame = 0;
 207         }
 208
 209         memset(&infoPtr->mah, 0, sizeof(infoPtr->mah));
 210         memset(&infoPtr->ash, 0, sizeof(infoPtr->ash));
 211         infoPtr->nFromFrame = infoPtr->nToFrame = infoPtr->nLoop = infoPtr->currFrame = 0;
 212     }
 213     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 214 }
 215
 216 static void ANIMATE_TransparentBlt(ANIMATE_INFO const *infoPtr, HDC hdcDest, HDC hdcSource)
 217 {
 218     HDC hdcMask;
 219     HBITMAP hbmMask;
 220     HBITMAP hbmOld;
 221
 222     /* create a transparency mask */
 223     hdcMask = CreateCompatibleDC(hdcDest);
 224     hbmMask = CreateBitmap(infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, 1,1,NULL);
 225     hbmOld = SelectObject(hdcMask, hbmMask);
 226
 227     SetBkColor(hdcSource,infoPtr->transparentColor);
 228     BitBlt(hdcMask,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCCOPY);
 229
 230     /* mask the source bitmap */
 231     SetBkColor(hdcSource, RGB(0,0,0));
 232     SetTextColor(hdcSource, RGB(255,255,255));
 233     BitBlt(hdcSource, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 234
 235     /* mask the destination bitmap */
 236     SetBkColor(hdcDest, RGB(255,255,255));
 237     SetTextColor(hdcDest, RGB(0,0,0));
 238     BitBlt(hdcDest, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 239
 240     /* combine source and destination */
 241     BitBlt(hdcDest,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCPAINT);
 242
 243     SelectObject(hdcMask, hbmOld);
 244     DeleteObject(hbmMask);
 245     DeleteDC(hdcMask);
 246 }
 247
 248 static BOOL ANIMATE_PaintFrame(ANIMATE_INFO* infoPtr, HDC hDC)
 249 {
 250     void const *pBitmapData;
 251     BITMAPINFO const *pBitmapInfo;
 252     HDC hdcMem;
 253     HBITMAP hbmOld;
 254     int nOffsetX = 0;
 255     int nOffsetY = 0;
 256     int nWidth;
 257     int nHeight;
 258
 259     if (!hDC || !infoPtr->inbih)
 260         return TRUE;
 261
 262     if (infoPtr->hic )
 263     {
 264         pBitmapData = infoPtr->outdata;
 265         pBitmapInfo = (LPBITMAPINFO)infoPtr->outbih;
 266
 267         nWidth = infoPtr->outbih->biWidth;
 268         nHeight = infoPtr->outbih->biHeight;
 269     }
 270     else
 271     {
 272         pBitmapData = infoPtr->indata;
 273         pBitmapInfo = (LPBITMAPINFO)infoPtr->inbih;
 274
 275         nWidth = infoPtr->inbih->biWidth;
 276         nHeight = infoPtr->inbih->biHeight;
 277     }
 278
 279     if(!infoPtr->hbmPrevFrame)
 280     {
 281         infoPtr->hbmPrevFrame=CreateCompatibleBitmap(hDC, nWidth,nHeight );
 282     }
 283
 284     hdcMem = CreateCompatibleDC(hDC);
 285     hbmOld = SelectObject(hdcMem, infoPtr->hbmPrevFrame);
 286
 287     SetDIBits(hdcMem, infoPtr->hbmPrevFrame, 0, nHeight, pBitmapData, pBitmapInfo, DIB_RGB_COLORS);
 288
 289     /*
 290      * we need to get the transparent color even without ACS_TRANSPARENT,
 291      * because the style can be changed later on and the color should always
 292      * be obtained in the first frame
 293      */
 294     if(infoPtr->transparentColor == ANIMATE_COLOR_NONE)
 295     {
 296         infoPtr->transparentColor = GetPixel(hdcMem,0,0);
 297     }
 298
 299     if(infoPtr->dwStyle & ACS_TRANSPARENT)
 300     {
 301         HDC hdcFinal = CreateCompatibleDC(hDC);
 302         HBITMAP hbmFinal = CreateCompatibleBitmap(hDC,nWidth, nHeight);
 303         HBITMAP hbmOld2 = SelectObject(hdcFinal, hbmFinal);
 304         RECT rect;
 305
 306         rect.left = 0;
 307         rect.top = 0;
 308         rect.right = nWidth;
 309         rect.bottom = nHeight;
 310
 311         if(!infoPtr->hbrushBG)
 312             infoPtr->hbrushBG = GetCurrentObject(hDC, OBJ_BRUSH);
 313
 314         FillRect(hdcFinal, &rect, infoPtr->hbrushBG);
 315         ANIMATE_TransparentBlt(infoPtr, hdcFinal, hdcMem);
 316
 317         SelectObject(hdcFinal, hbmOld2);
 318         SelectObject(hdcMem, hbmFinal);
 319         DeleteDC(hdcFinal);
 320         DeleteObject(infoPtr->hbmPrevFrame);
 321         infoPtr->hbmPrevFrame = hbmFinal;
 322     }
 323
 324     if (infoPtr->dwStyle & ACS_CENTER)
 325     {
 326         RECT rect;
 327
 328         GetWindowRect(infoPtr->hwndSelf, &rect);
 329         nOffsetX = ((rect.right - rect.left) - nWidth)/2;
 330         nOffsetY = ((rect.bottom - rect.top) - nHeight)/2;
 331     }
 332     BitBlt(hDC, nOffsetX, nOffsetY, nWidth, nHeight, hdcMem, 0, 0, SRCCOPY);
 333
 334     SelectObject(hdcMem, hbmOld);
 335     DeleteDC(hdcMem);
 336     return TRUE;
 337 }
 338
 339 static BOOL ANIMATE_DrawFrame(ANIMATE_INFO *infoPtr, HDC hDC)
 340 {
 341     TRACE("Drawing frame %d (loop %d)\n", infoPtr->currFrame, infoPtr->nLoop);
 342
 343     mmioSeek(infoPtr->hMMio, infoPtr->lpIndex[infoPtr->currFrame], SEEK_SET);
 344     mmioRead(infoPtr->hMMio, infoPtr->indata, infoPtr->ash.dwSuggestedBufferSize);
 345
 346     if (infoPtr->hic &&
 347         fnIC.fnICDecompress(infoPtr->hic, 0, infoPtr->inbih, infoPtr->indata,
 348                      infoPtr->outbih, infoPtr->outdata) != ICERR_OK) {
 349         WARN("Decompression error\n");
 350         return FALSE;
 351     }
 352
 353     ANIMATE_PaintFrame(infoPtr, hDC);
 354
 355     if (infoPtr->currFrame++ >= infoPtr->nToFrame) {
 356         infoPtr->currFrame = infoPtr->nFromFrame;
 357         if (infoPtr->nLoop != -1) {
 358             if (--infoPtr->nLoop == 0) {
 359                 ANIMATE_DoStop(infoPtr);
 360             }
 361         }
 362     }
 363
 364     return TRUE;
 365 }
 366
 367 static LRESULT ANIMATE_Timer(ANIMATE_INFO *infoPtr)
 368 {
 369     HDC hDC;
 370
 371     if ((hDC = GetDC(infoPtr->hwndSelf)) != 0)
 372     {
 373         EnterCriticalSection(&infoPtr->cs);
 374         ANIMATE_DrawFrame(infoPtr, hDC);
 375         LeaveCriticalSection(&infoPtr->cs);
 376
 377         ReleaseDC(infoPtr->hwndSelf, hDC);
 378     }
 379
 380     return 0;
 381 }
 382
 383 static DWORD CALLBACK ANIMATE_AnimationThread(LPVOID ptr_)
 384 {
 385     ANIMATE_INFO *infoPtr = ptr_;
 386     HANDLE event;
 387     DWORD timeout;
 388
 389     while(1)
 390     {
 391         HDC hDC = GetDC(infoPtr->hwndSelf);
 392
 393         EnterCriticalSection(&infoPtr->cs);
 394         ANIMATE_DrawFrame(infoPtr, hDC);
 395         timeout = infoPtr->mah.dwMicroSecPerFrame;
 396         event = infoPtr->hStopEvent;
 397         LeaveCriticalSection(&infoPtr->cs);
 398
 399         ReleaseDC(infoPtr->hwndSelf, hDC);
 400
 401         /* time is in microseconds, we should convert it to milliseconds */
 402         if ((event == 0) || WaitForSingleObject( event, (timeout+500)/1000) == WAIT_OBJECT_0)
 403             break;
 404     }
 405     return TRUE;
 406 }
 407
 408 static LRESULT ANIMATE_Play(ANIMATE_INFO *infoPtr, UINT cRepeat, WORD wFrom, WORD wTo)
 409 {
 410     /* nothing opened */
 411     if (!infoPtr->hMMio)
 412         return FALSE;
 413
 414     if (infoPtr->hThread || infoPtr->uTimer) {
 415         TRACE("Already playing\n");
 416         return TRUE;
 417     }
 418
 419     infoPtr->nFromFrame = wFrom;
 420     infoPtr->nToFrame   = wTo;
 421     infoPtr->nLoop      = cRepeat;
 422
 423     if (infoPtr->nToFrame == 0xFFFF)
 424         infoPtr->nToFrame = infoPtr->mah.dwTotalFrames - 1;
 425
 426     TRACE("(repeat=%d from=%d to=%d);\n",
 427           infoPtr->nLoop, infoPtr->nFromFrame, infoPtr->nToFrame);
 428
 429     if (infoPtr->nFromFrame >= infoPtr->mah.dwTotalFrames &&
 430         (SHORT)infoPtr->nFromFrame < 0)
 431         infoPtr->nFromFrame = 0;
 432
 433     if (infoPtr->nFromFrame > infoPtr->nToFrame ||
 434         infoPtr->nToFrame >= infoPtr->mah.dwTotalFrames)
 435         return FALSE;
 436
 437     infoPtr->currFrame = infoPtr->nFromFrame;
 438
 439     /* seek - doesn't need to start a thread or set a timer and neither
 440      * does it send a notification */
 441     if (infoPtr->nFromFrame == infoPtr->nToFrame)
 442     {
 443         HDC hDC;
 444
 445         if ((hDC = GetDC(infoPtr->hwndSelf)) != 0)
 446         {
 447             ANIMATE_DrawFrame(infoPtr, hDC);
 448
 449             ReleaseDC(infoPtr->hwndSelf, hDC);
 450         }
 451         return TRUE;
 452     }
 453
 454     if (infoPtr->dwStyle & ACS_TIMER)
 455     {
 456         TRACE("Using a timer\n");
 457         /* create a timer to display AVI */
 458         infoPtr->uTimer = SetTimer(infoPtr->hwndSelf, 1,
 459                                    infoPtr->mah.dwMicroSecPerFrame / 1000, NULL);
 460     }
 461     else
 462     {
 463         TRACE("Using an animation thread\n");
 464         infoPtr->hStopEvent = CreateEventW( NULL, TRUE, FALSE, NULL );
 465         infoPtr->hThread = CreateThread(0, 0, ANIMATE_AnimationThread,
 466                                         infoPtr, 0, &infoPtr->threadId);
 467         if(!infoPtr->hThread) return FALSE;
 468
 469     }
 470
 471     ANIMATE_Notify(infoPtr, ACN_START);
 472
 473     return TRUE;
 474 }
 475
 476
 477 static BOOL ANIMATE_GetAviInfo(ANIMATE_INFO *infoPtr)
 478 {
 479     MMCKINFO            ckMainRIFF;
 480     MMCKINFO            mmckHead;
 481     MMCKINFO            mmckList;
 482     MMCKINFO            mmckInfo;
 483     DWORD               numFrame;
 484     DWORD               insize;
 485
 486     if (mmioDescend(infoPtr->hMMio, &ckMainRIFF, NULL, 0) != 0) {
 487         WARN("Can't find 'RIFF' chunk\n");
 488         return FALSE;
 489     }
 490
 491     if ((ckMainRIFF.ckid != FOURCC_RIFF) ||
 492         (ckMainRIFF.fccType != mmioFOURCC('A', 'V', 'I', ' '))) {
 493         WARN("Can't find 'AVI ' chunk\n");
 494         return FALSE;
 495     }
 496
 497     mmckHead.fccType = mmioFOURCC('h', 'd', 'r', 'l');
 498     if (mmioDescend(infoPtr->hMMio, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 499         WARN("Can't find 'hdrl' list\n");
 500         return FALSE;
 501     }
 502
 503     mmckInfo.ckid = mmioFOURCC('a', 'v', 'i', 'h');
 504     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
 505         WARN("Can't find 'avih' chunk\n");
 506         return FALSE;
 507     }
 508
 509     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->mah, sizeof(infoPtr->mah));
 510
 511     TRACE("mah.dwMicroSecPerFrame=%d\n",        infoPtr->mah.dwMicroSecPerFrame);
 512     TRACE("mah.dwMaxBytesPerSec=%d\n",          infoPtr->mah.dwMaxBytesPerSec);
 513     TRACE("mah.dwPaddingGranularity=%d\n",      infoPtr->mah.dwPaddingGranularity);
 514     TRACE("mah.dwFlags=%d\n",                   infoPtr->mah.dwFlags);
 515     TRACE("mah.dwTotalFrames=%d\n",             infoPtr->mah.dwTotalFrames);
 516     TRACE("mah.dwInitialFrames=%d\n",           infoPtr->mah.dwInitialFrames);
 517     TRACE("mah.dwStreams=%d\n",                 infoPtr->mah.dwStreams);
 518     TRACE("mah.dwSuggestedBufferSize=%d\n",     infoPtr->mah.dwSuggestedBufferSize);
 519     TRACE("mah.dwWidth=%d\n",                   infoPtr->mah.dwWidth);
 520     TRACE("mah.dwHeight=%d\n",                  infoPtr->mah.dwHeight);
 521
 522     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 523
 524     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 525     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) != 0) {
 526         WARN("Can't find 'strl' list\n");
 527         return FALSE;
 528     }
 529
 530     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'h');
 531     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 532         WARN("Can't find 'strh' chunk\n");
 533         return FALSE;
 534     }
 535
 536     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->ash, sizeof(infoPtr->ash));
 537
 538     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(infoPtr->ash.fccType)),
 539                                                 HIBYTE(LOWORD(infoPtr->ash.fccType)),
 540                                                 LOBYTE(HIWORD(infoPtr->ash.fccType)),
 541                                                 HIBYTE(HIWORD(infoPtr->ash.fccType)));
 542     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(infoPtr->ash.fccHandler)),
 543                                                 HIBYTE(LOWORD(infoPtr->ash.fccHandler)),
 544                                                 LOBYTE(HIWORD(infoPtr->ash.fccHandler)),
 545                                                 HIBYTE(HIWORD(infoPtr->ash.fccHandler)));
 546     TRACE("ash.dwFlags=%d\n",                   infoPtr->ash.dwFlags);
 547     TRACE("ash.wPriority=%d\n",                 infoPtr->ash.wPriority);
 548     TRACE("ash.wLanguage=%d\n",                 infoPtr->ash.wLanguage);
 549     TRACE("ash.dwInitialFrames=%d\n",           infoPtr->ash.dwInitialFrames);
 550     TRACE("ash.dwScale=%d\n",                   infoPtr->ash.dwScale);
 551     TRACE("ash.dwRate=%d\n",                    infoPtr->ash.dwRate);
 552     TRACE("ash.dwStart=%d\n",                   infoPtr->ash.dwStart);
 553     TRACE("ash.dwLength=%d\n",                  infoPtr->ash.dwLength);
 554     TRACE("ash.dwSuggestedBufferSize=%d\n",     infoPtr->ash.dwSuggestedBufferSize);
 555     TRACE("ash.dwQuality=%d\n",                 infoPtr->ash.dwQuality);
 556     TRACE("ash.dwSampleSize=%d\n",              infoPtr->ash.dwSampleSize);
 557     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        infoPtr->ash.rcFrame.top, infoPtr->ash.rcFrame.left,
 558           infoPtr->ash.rcFrame.bottom, infoPtr->ash.rcFrame.right);
 559
 560     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 561
 562     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'f');
 563     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 564         WARN("Can't find 'strh' chunk\n");
 565         return FALSE;
 566     }
 567
 568     infoPtr->inbih = Alloc(mmckInfo.cksize);
 569     if (!infoPtr->inbih) {
 570         WARN("Can't alloc input BIH\n");
 571         return FALSE;
 572     }
 573
 574     mmioRead(infoPtr->hMMio, (LPSTR)infoPtr->inbih, mmckInfo.cksize);
 575
 576     TRACE("bih.biSize=%d\n",            infoPtr->inbih->biSize);
 577     TRACE("bih.biWidth=%d\n",           infoPtr->inbih->biWidth);
 578     TRACE("bih.biHeight=%d\n",          infoPtr->inbih->biHeight);
 579     TRACE("bih.biPlanes=%d\n",          infoPtr->inbih->biPlanes);
 580     TRACE("bih.biBitCount=%d\n",        infoPtr->inbih->biBitCount);
 581     TRACE("bih.biCompression=%d\n",     infoPtr->inbih->biCompression);
 582     TRACE("bih.biSizeImage=%d\n",       infoPtr->inbih->biSizeImage);
 583     TRACE("bih.biXPelsPerMeter=%d\n",   infoPtr->inbih->biXPelsPerMeter);
 584     TRACE("bih.biYPelsPerMeter=%d\n",   infoPtr->inbih->biYPelsPerMeter);
 585     TRACE("bih.biClrUsed=%d\n",         infoPtr->inbih->biClrUsed);
 586     TRACE("bih.biClrImportant=%d\n",    infoPtr->inbih->biClrImportant);
 587
 588     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 589
 590     mmioAscend(infoPtr->hMMio, &mmckList, 0);
 591
 592 #if 0
 593     /* an AVI has 0 or 1 video stream, and to be animated should not contain
 594      * an audio stream, so only one strl is allowed
 595      */
 596     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 597     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) == 0) {
 598         WARN("There should be a single 'strl' list\n");
 599         return FALSE;
 600     }
 601 #endif
 602
 603     mmioAscend(infoPtr->hMMio, &mmckHead, 0);
 604
 605     /* no need to read optional JUNK chunk */
 606
 607     mmckList.fccType = mmioFOURCC('m', 'o', 'v', 'i');
 608     if (mmioDescend(infoPtr->hMMio, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 609         WARN("Can't find 'movi' list\n");
 610         return FALSE;
 611     }
 612
 613     /* FIXME: should handle the 'rec ' LIST when present */
 614
 615     infoPtr->lpIndex = Alloc(infoPtr->mah.dwTotalFrames * sizeof(DWORD));
 616     if (!infoPtr->lpIndex)
 617         return FALSE;
 618
 619     numFrame = insize = 0;
 620     while (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, 0) == 0 &&
 621            numFrame < infoPtr->mah.dwTotalFrames) {
 622         infoPtr->lpIndex[numFrame] = mmckInfo.dwDataOffset;
 623         if (insize < mmckInfo.cksize)
 624             insize = mmckInfo.cksize;
 625         numFrame++;
 626         mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 627     }
 628     if (numFrame != infoPtr->mah.dwTotalFrames) {
 629         WARN("Found %d frames (/%d)\n", numFrame, infoPtr->mah.dwTotalFrames);
 630         return FALSE;
 631     }
 632     if (insize > infoPtr->ash.dwSuggestedBufferSize) {
 633         WARN("insize=%d suggestedSize=%d\n", insize, infoPtr->ash.dwSuggestedBufferSize);
 634         infoPtr->ash.dwSuggestedBufferSize = insize;
 635     }
 636
 637     infoPtr->indata = Alloc(infoPtr->ash.dwSuggestedBufferSize);
 638     if (!infoPtr->indata)
 639         return FALSE;
 640
 641     return TRUE;
 642 }
 643
 644
 645 static BOOL ANIMATE_GetAviCodec(ANIMATE_INFO *infoPtr)
 646 {
 647     DWORD       outSize;
 648
 649     /* check uncompressed AVI */
 650     if ((infoPtr->ash.fccHandler == mmioFOURCC('D', 'I', 'B', ' ')) ||
 651        (infoPtr->ash.fccHandler == mmioFOURCC('R', 'L', 'E', ' ')) ||
 652        (infoPtr->ash.fccHandler == mmioFOURCC(0, 0, 0, 0)))
 653     {
 654         infoPtr->hic = 0;
 655         return TRUE;
 656     }
 657
 658     /* try to get a decompressor for that type */
 659     infoPtr->hic = fnIC.fnICOpen(ICTYPE_VIDEO, infoPtr->ash.fccHandler, ICMODE_DECOMPRESS);
 660     if (!infoPtr->hic) {
 661         WARN("Can't load codec for the file\n");
 662         return FALSE;
 663     }
 664
 665     outSize = fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 666                             (DWORD_PTR)infoPtr->inbih, 0L);
 667
 668     infoPtr->outbih = Alloc(outSize);
 669     if (!infoPtr->outbih)
 670         return FALSE;
 671
 672     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 673                       (DWORD_PTR)infoPtr->inbih, (DWORD_PTR)infoPtr->outbih) != ICERR_OK)
 674     {
 675         WARN("Can't get output BIH\n");
 676         return FALSE;
 677     }
 678
 679     infoPtr->outdata = Alloc(infoPtr->outbih->biSizeImage);
 680     if (!infoPtr->outdata)
 681         return FALSE;
 682
 683     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_BEGIN,
 684                       (DWORD_PTR)infoPtr->inbih, (DWORD_PTR)infoPtr->outbih) != ICERR_OK) {
 685         WARN("Can't begin decompression\n");
 686         return FALSE;
 687     }
 688
 689     return TRUE;
 690 }
 691
 692
 693 static BOOL ANIMATE_OpenW(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPWSTR lpszName)
 694 {
 695     HDC hdc;
 696
 697     ANIMATE_Free(infoPtr);
 698
 699     if (!lpszName)
 700     {
 701         TRACE("Closing avi!\n");
 702         /* installer of thebat! v1.62 requires FALSE here */
 703         return (infoPtr->hMMio != 0);
 704     }
 705
 706     if (!hInstance)
 707         hInstance = (HINSTANCE)GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_HINSTANCE);
 708
 709     TRACE("(%s)\n", debugstr_w(lpszName));
 710
 711     if (!IS_INTRESOURCE(lpszName))
 712     {
 713         if (!ANIMATE_LoadResW(infoPtr, hInstance, lpszName))
 714         {
 715             TRACE("No AVI resource found!\n");
 716             if (!ANIMATE_LoadFileW(infoPtr, lpszName))
 717             {
 718                 WARN("No AVI file found!\n");
 719                 return FALSE;
 720             }
 721         }
 722     }
 723     else
 724     {
 725         if (!ANIMATE_LoadResW(infoPtr, hInstance, lpszName))
 726         {
 727             WARN("No AVI resource found!\n");
 728             return FALSE;
 729         }
 730     }
 731
 732     if (!ANIMATE_GetAviInfo(infoPtr))
 733     {
 734         WARN("Can't get AVI information\n");
 735         ANIMATE_Free(infoPtr);
 736         return FALSE;
 737     }
 738
 739     if (!ANIMATE_GetAviCodec(infoPtr))
 740     {
 741         WARN("Can't get AVI Codec\n");
 742         ANIMATE_Free(infoPtr);
 743         return FALSE;
 744     }
 745
 746     hdc = GetDC(infoPtr->hwndSelf);
 747     /* native looks at the top left pixel of the first frame here too. */
 748     infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLORSTATIC,
 749                                              (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
 750     ReleaseDC(infoPtr->hwndSelf, hdc);
 751
 752     if (!(infoPtr->dwStyle & ACS_CENTER))
 753         SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, infoPtr->mah.dwWidth, infoPtr->mah.dwHeight,
 754                      SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
 755
 756     if (infoPtr->dwStyle & ACS_AUTOPLAY)
 757         return ANIMATE_Play(infoPtr, -1, 0, infoPtr->mah.dwTotalFrames - 1);
 758
 759     return TRUE;
 760 }
 761
 762
 763 static BOOL ANIMATE_OpenA(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPSTR lpszName)
 764 {
 765     LPWSTR lpwszName;
 766     LRESULT result;
 767     INT len;
 768
 769     if (IS_INTRESOURCE(lpszName))
 770         return ANIMATE_OpenW(infoPtr, hInstance, (LPWSTR)lpszName);
 771
 772     len = MultiByteToWideChar(CP_ACP, 0, lpszName, -1, NULL, 0);
 773     lpwszName = Alloc(len * sizeof(WCHAR));
 774     if (!lpwszName) return FALSE;
 775     MultiByteToWideChar(CP_ACP, 0, lpszName, -1, lpwszName, len);
 776
 777     result = ANIMATE_OpenW(infoPtr, hInstance, lpwszName);
 778     Free (lpwszName);
 779     return result;
 780 }
 781
 782
 783 static BOOL ANIMATE_Stop(ANIMATE_INFO *infoPtr)
 784 {
 785     /* nothing opened */
 786     if (!infoPtr->hMMio)
 787         return FALSE;
 788
 789     ANIMATE_DoStop(infoPtr);
 790     return TRUE;
 791 }
 792
 793
 794 static BOOL ANIMATE_Create(HWND hWnd, const CREATESTRUCTW *lpcs)
 795 {
 796     static const WCHAR msvfw32W[] = { 'm', 's', 'v', 'f', 'w', '3', '2', '.', 'd', 'l', 'l', 0 };
 797     ANIMATE_INFO *infoPtr;
 798
 799     if (!fnIC.hModule)
 800     {
 801         fnIC.hModule = LoadLibraryW(msvfw32W);
 802         if (!fnIC.hModule) return FALSE;
 803
 804         fnIC.fnICOpen        = (void*)GetProcAddress(fnIC.hModule, "ICOpen");
 805         fnIC.fnICClose       = (void*)GetProcAddress(fnIC.hModule, "ICClose");
 806         fnIC.fnICSendMessage = (void*)GetProcAddress(fnIC.hModule, "ICSendMessage");
 807         fnIC.fnICDecompress  = (void*)GetProcAddress(fnIC.hModule, "ICDecompress");
 808     }
 809
 810     /* allocate memory for info structure */
 811     infoPtr = Alloc(sizeof(ANIMATE_INFO));
 812     if (!infoPtr) return FALSE;
 813
 814     /* store crossref hWnd <-> info structure */
 815     SetWindowLongPtrW(hWnd, 0, (DWORD_PTR)infoPtr);
 816     infoPtr->hwndSelf = hWnd;
 817     infoPtr->hwndNotify = lpcs->hwndParent;
 818     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 819     infoPtr->hbmPrevFrame = 0;
 820     infoPtr->dwStyle = lpcs->style;
 821
 822     TRACE("Animate style=0x%08x, parent=%p\n", infoPtr->dwStyle, infoPtr->hwndNotify);
 823
 824     InitializeCriticalSection(&infoPtr->cs);
 825     infoPtr->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ANIMATE_INFO*->cs");
 826
 827     return TRUE;
 828 }
 829
 830
 831 static LRESULT ANIMATE_Destroy(ANIMATE_INFO *infoPtr)
 832 {
 833     /* free avi data */
 834     ANIMATE_Free(infoPtr);
 835
 836     /* free animate info data */
 837     SetWindowLongPtrW(infoPtr->hwndSelf, 0, 0);
 838
 839     infoPtr->cs.DebugInfo->Spare[0] = 0;
 840     DeleteCriticalSection(&infoPtr->cs);
 841     Free(infoPtr);
 842
 843     return 0;
 844 }
 845
 846
 847 static BOOL ANIMATE_EraseBackground(ANIMATE_INFO const *infoPtr, HDC hdc)
 848 {
 849     RECT rect;
 850     HBRUSH hBrush;
 851
 852     hBrush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLORSTATIC,
 853                                   (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
 854     GetClientRect(infoPtr->hwndSelf, &rect);
 855     FillRect(hdc, &rect, hBrush ? hBrush : GetCurrentObject(hdc, OBJ_BRUSH));
 856
 857     return TRUE;
 858 }
 859
 860
 861 static LRESULT ANIMATE_StyleChanged(ANIMATE_INFO *infoPtr, WPARAM wStyleType, const STYLESTRUCT *lpss)
 862 {
 863     TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
 864           wStyleType, lpss->styleOld, lpss->styleNew);
 865
 866     if (wStyleType != GWL_STYLE) return 0;
 867
 868     infoPtr->dwStyle = lpss->styleNew;
 869
 870     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 871     return 0;
 872 }
 873
 874
 875 static LRESULT WINAPI ANIMATE_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 876 {
 877     ANIMATE_INFO *infoPtr = (ANIMATE_INFO *)GetWindowLongPtrW(hWnd, 0);
 878
 879     TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n", hWnd, uMsg, wParam, lParam);
 880     if (!infoPtr && (uMsg != WM_NCCREATE))
 881         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 882     switch (uMsg)
 883     {
 884     case ACM_OPENA:
 885         return ANIMATE_OpenA(infoPtr, (HINSTANCE)wParam, (LPSTR)lParam);
 886
 887     case ACM_OPENW:
 888         return ANIMATE_OpenW(infoPtr, (HINSTANCE)wParam, (LPWSTR)lParam);
 889
 890     case ACM_PLAY:
 891         return ANIMATE_Play(infoPtr, (INT)wParam, LOWORD(lParam), HIWORD(lParam));
 892
 893     case ACM_STOP:
 894         return ANIMATE_Stop(infoPtr);
 895
 896     case WM_CLOSE:
 897         ANIMATE_Free(infoPtr);
 898         return 0;
 899
 900     case WM_NCCREATE:
 901         return ANIMATE_Create(hWnd, (LPCREATESTRUCTW)lParam);
 902
 903     case WM_NCHITTEST:
 904         return HTTRANSPARENT;
 905
 906     case WM_DESTROY:
 907         return ANIMATE_Destroy(infoPtr);
 908
 909     case WM_ERASEBKGND:
 910         return ANIMATE_EraseBackground(infoPtr, (HDC)wParam);
 911
 912     case WM_STYLECHANGED:
 913         return ANIMATE_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
 914
 915     case WM_TIMER:
 916         return ANIMATE_Timer(infoPtr);
 917
 918     case WM_PRINTCLIENT:
 919     case WM_PAINT:
 920         {
 921             /* the animation has not decompressed
 922              * (and displayed) the first frame yet, don't paint
 923              */
 924             if (!infoPtr->hbmPrevFrame)
 925             {
 926                 /* default paint handling */
 927                 return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 928             }
 929
 930             if (wParam)
 931             {
 932                 EnterCriticalSection(&infoPtr->cs);
 933                 ANIMATE_PaintFrame(infoPtr, (HDC)wParam);
 934                 LeaveCriticalSection(&infoPtr->cs);
 935             }
 936             else
 937             {
 938                 PAINTSTRUCT ps;
 939                 HDC hDC = BeginPaint(infoPtr->hwndSelf, &ps);
 940
 941                 EnterCriticalSection(&infoPtr->cs);
 942                 ANIMATE_PaintFrame(infoPtr, hDC);
 943                 LeaveCriticalSection(&infoPtr->cs);
 944
 945                 EndPaint(infoPtr->hwndSelf, &ps);
 946             }
 947         }
 948         break;
 949
 950     case WM_SIZE:
 951         if (infoPtr->dwStyle & ACS_CENTER)
 952             InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 953         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 954
 955     default:
 956         if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
 957             ERR("unknown msg %04x wp=%08lx lp=%08lx\n", uMsg, wParam, lParam);
 958
 959         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 960     }
 961     return 0;
 962 }
 963
 964 void ANIMATE_Register(void)
 965 {
 966     WNDCLASSW wndClass;
 967
 968     ZeroMemory(&wndClass, sizeof(WNDCLASSW));
 969     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS;
 970     wndClass.lpfnWndProc   = ANIMATE_WindowProc;
 971     wndClass.cbClsExtra    = 0;
 972     wndClass.cbWndExtra    = sizeof(ANIMATE_INFO *);
 973     wndClass.hCursor       = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
 974     wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
 975     wndClass.lpszClassName = ANIMATE_CLASSW;
 976
 977     RegisterClassW(&wndClass);
 978 }
 979
 980
 981 void ANIMATE_Unregister(void)
 982 {
 983     UnregisterClassW(ANIMATE_CLASSW, NULL);
 984 }