dlls/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 <stdarg.h>
  37 #include <string.h>
  38 #include "windef.h"
  39 #include "winbase.h"
  40 #include "wingdi.h"
  41 #include "winuser.h"
  42 #include "winnls.h"
  43 #include "commctrl.h"
  44 #include "vfw.h"
  45 #include "mmsystem.h"
  46 #include "comctl32.h"
  47 #include "wine/debug.h"
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(animate);
  50
  51 static struct {
  52     HMODULE     hModule;
  53     HIC         (WINAPI *fnICOpen)(DWORD, DWORD, UINT);
  54     LRESULT     (WINAPI *fnICClose)(HIC);
  55     LRESULT     (WINAPI *fnICSendMessage)(HIC, UINT, DWORD_PTR, DWORD_PTR);
  56     DWORD       (WINAPIV *fnICDecompress)(HIC,DWORD,LPBITMAPINFOHEADER,LPVOID,LPBITMAPINFOHEADER,LPVOID);
  57 } fnIC;
  58
  59 typedef struct
  60 {
  61    /* reference to input stream (file or resource) */
  62    HGLOBAL              hRes;
  63    HMMIO                hMMio;  /* handle to mmio stream */
  64    HWND                 hwndSelf;
  65    HWND                 hwndNotify;
  66    DWORD                dwStyle;
  67    /* information on the loaded AVI file */
  68    MainAVIHeader        mah;
  69    AVIStreamHeader      ash;
  70    LPBITMAPINFOHEADER   inbih;
  71    LPDWORD              lpIndex;
  72    /* data for the decompressor */
  73    HIC                  hic;
  74    LPBITMAPINFOHEADER   outbih;
  75    LPVOID               indata;
  76    LPVOID               outdata;
  77    /* data for the background mechanism */
  78    CRITICAL_SECTION     cs;
  79    HANDLE               hStopEvent;
  80    HANDLE               hThread;
  81    DWORD                threadId;
  82    UINT                 uTimer;
  83    /* data for playing the file */
  84    int                  nFromFrame;
  85    int                  nToFrame;
  86    int                  nLoop;
  87    int                  currFrame;
  88    /* transparency info*/
  89    COLORREF             transparentColor;
  90    HBRUSH               hbrushBG;
  91    HBITMAP              hbmPrevFrame;
  92 } ANIMATE_INFO;
  93
  94 #define ANIMATE_COLOR_NONE      0xffffffff
  95
  96 static void ANIMATE_Notify(const ANIMATE_INFO *infoPtr, UINT notif)
  97 {
  98     PostMessageW(infoPtr->hwndNotify, WM_COMMAND,
  99                  MAKEWPARAM(GetDlgCtrlID(infoPtr->hwndSelf), notif),
 100                  (LPARAM)infoPtr->hwndSelf);
 101 }
 102
 103 static BOOL ANIMATE_LoadResW(ANIMATE_INFO *infoPtr, HINSTANCE hInst, LPCWSTR lpName)
 104 {
 105     static const WCHAR aviW[] = { 'A', 'V', 'I', 0 };
 106     HRSRC       hrsrc;
 107     MMIOINFO    mminfo;
 108     LPVOID      lpAvi;
 109
 110     hrsrc = FindResourceW(hInst, lpName, aviW);
 111     if (!hrsrc)
 112         return FALSE;
 113
 114     infoPtr->hRes = LoadResource(hInst, hrsrc);
 115     if (!infoPtr->hRes)
 116         return FALSE;
 117
 118     lpAvi = LockResource(infoPtr->hRes);
 119     if (!lpAvi)
 120         return FALSE;
 121
 122     memset(&mminfo, 0, sizeof(mminfo));
 123     mminfo.fccIOProc = FOURCC_MEM;
 124     mminfo.pchBuffer = lpAvi;
 125     mminfo.cchBuffer = SizeofResource(hInst, hrsrc);
 126     infoPtr->hMMio = mmioOpenW(NULL, &mminfo, MMIO_READ);
 127     if (!infoPtr->hMMio)
 128     {
 129         FreeResource(infoPtr->hRes);
 130         return FALSE;
 131     }
 132
 133     return TRUE;
 134 }
 135
 136
 137 static BOOL ANIMATE_LoadFileW(ANIMATE_INFO *infoPtr, LPWSTR lpName)
 138 {
 139     infoPtr->hMMio = mmioOpenW(lpName, 0, MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
 140
 141     if(!infoPtr->hMMio) return FALSE;
 142     return TRUE;
 143 }
 144
 145
 146 static BOOL ANIMATE_DoStop(ANIMATE_INFO *infoPtr)
 147 {
 148     BOOL stopped = FALSE;
 149
 150     EnterCriticalSection(&infoPtr->cs);
 151
 152     /* should stop playing */
 153     if (infoPtr->hThread)
 154     {
 155         HANDLE handle = infoPtr->hThread;
 156
 157         TRACE("stopping animation thread\n");
 158         infoPtr->hThread = 0;
 159         SetEvent( infoPtr->hStopEvent );
 160
 161         if (infoPtr->threadId != GetCurrentThreadId())
 162         {
 163             LeaveCriticalSection(&infoPtr->cs);  /* leave it a chance to run */
 164             WaitForSingleObject( handle, INFINITE );
 165             TRACE("animation thread stopped\n");
 166             EnterCriticalSection(&infoPtr->cs);
 167         }
 168
 169         CloseHandle( handle );
 170         CloseHandle( infoPtr->hStopEvent );
 171         infoPtr->hStopEvent = 0;
 172         stopped = TRUE;
 173     }
 174     if (infoPtr->uTimer) {
 175         KillTimer(infoPtr->hwndSelf, infoPtr->uTimer);
 176         infoPtr->uTimer = 0;
 177         stopped = TRUE;
 178     }
 179
 180     LeaveCriticalSection(&infoPtr->cs);
 181
 182     if (stopped)
 183         ANIMATE_Notify(infoPtr, ACN_STOP);
 184
 185     return TRUE;
 186 }
 187
 188
 189 static void ANIMATE_Free(ANIMATE_INFO *infoPtr)
 190 {
 191     if (infoPtr->hMMio) {
 192         ANIMATE_DoStop(infoPtr);
 193         mmioClose(infoPtr->hMMio, 0);
 194         if (infoPtr->hRes) {
 195             FreeResource(infoPtr->hRes);
 196             infoPtr->hRes = 0;
 197         }
 198         Free (infoPtr->lpIndex);
 199         infoPtr->lpIndex = NULL;
 200         if (infoPtr->hic) {
 201             fnIC.fnICClose(infoPtr->hic);
 202             infoPtr->hic = 0;
 203         }
 204         Free (infoPtr->inbih);
 205         infoPtr->inbih = NULL;
 206         Free (infoPtr->outbih);
 207         infoPtr->outbih = NULL;
 208         Free (infoPtr->indata);
 209         infoPtr->indata = NULL;
 210         Free (infoPtr->outdata);
 211         infoPtr->outdata = NULL;
 212         if( infoPtr->hbmPrevFrame )
 213         {
 214             DeleteObject(infoPtr->hbmPrevFrame);
 215             infoPtr->hbmPrevFrame = 0;
 216         }
 217
 218         memset(&infoPtr->mah, 0, sizeof(infoPtr->mah));
 219         memset(&infoPtr->ash, 0, sizeof(infoPtr->ash));
 220         infoPtr->nFromFrame = infoPtr->nToFrame = infoPtr->nLoop = infoPtr->currFrame = 0;
 221     }
 222     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 223 }
 224
 225 static void ANIMATE_TransparentBlt(ANIMATE_INFO const *infoPtr, HDC hdcDest, HDC hdcSource)
 226 {
 227     HDC hdcMask;
 228     HBITMAP hbmMask;
 229     HBITMAP hbmOld;
 230
 231     /* create a transparency mask */
 232     hdcMask = CreateCompatibleDC(hdcDest);
 233     hbmMask = CreateBitmap(infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, 1,1,NULL);
 234     hbmOld = SelectObject(hdcMask, hbmMask);
 235
 236     SetBkColor(hdcSource,infoPtr->transparentColor);
 237     BitBlt(hdcMask,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCCOPY);
 238
 239     /* mask the source bitmap */
 240     SetBkColor(hdcSource, RGB(0,0,0));
 241     SetTextColor(hdcSource, RGB(255,255,255));
 242     BitBlt(hdcSource, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 243
 244     /* mask the destination bitmap */
 245     SetBkColor(hdcDest, RGB(255,255,255));
 246     SetTextColor(hdcDest, RGB(0,0,0));
 247     BitBlt(hdcDest, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 248
 249     /* combine source and destination */
 250     BitBlt(hdcDest,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCPAINT);
 251
 252     SelectObject(hdcMask, hbmOld);
 253     DeleteObject(hbmMask);
 254     DeleteDC(hdcMask);
 255 }
 256
 257 static BOOL ANIMATE_PaintFrame(ANIMATE_INFO* infoPtr, HDC hDC)
 258 {
 259     void const *pBitmapData;
 260     BITMAPINFO const *pBitmapInfo;
 261     HDC hdcMem;
 262     HBITMAP hbmOld;
 263     int nOffsetX = 0;
 264     int nOffsetY = 0;
 265     int nWidth;
 266     int nHeight;
 267
 268     if (!hDC || !infoPtr->inbih)
 269         return TRUE;
 270
 271     if (infoPtr->hic )
 272     {
 273         pBitmapData = infoPtr->outdata;
 274         pBitmapInfo = (LPBITMAPINFO)infoPtr->outbih;
 275
 276         nWidth = infoPtr->outbih->biWidth;
 277         nHeight = infoPtr->outbih->biHeight;
 278     }
 279     else
 280     {
 281         pBitmapData = infoPtr->indata;
 282         pBitmapInfo = (LPBITMAPINFO)infoPtr->inbih;
 283
 284         nWidth = infoPtr->inbih->biWidth;
 285         nHeight = infoPtr->inbih->biHeight;
 286     }
 287
 288     if(!infoPtr->hbmPrevFrame)
 289     {
 290         infoPtr->hbmPrevFrame=CreateCompatibleBitmap(hDC, nWidth,nHeight );
 291     }
 292
 293     hdcMem = CreateCompatibleDC(hDC);
 294     hbmOld = SelectObject(hdcMem, infoPtr->hbmPrevFrame);
 295
 296     SetDIBits(hdcMem, infoPtr->hbmPrevFrame, 0, nHeight, pBitmapData, pBitmapInfo, DIB_RGB_COLORS);
 297
 298     /*
 299      * we need to get the transparent color even without ACS_TRANSPARENT,
 300      * because the style can be changed later on and the color should always
 301      * be obtained in the first frame
 302      */
 303     if(infoPtr->transparentColor == ANIMATE_COLOR_NONE)
 304     {
 305         infoPtr->transparentColor = GetPixel(hdcMem,0,0);
 306     }
 307
 308     if(infoPtr->dwStyle & ACS_TRANSPARENT)
 309     {
 310         HDC hdcFinal = CreateCompatibleDC(hDC);
 311         HBITMAP hbmFinal = CreateCompatibleBitmap(hDC,nWidth, nHeight);
 312         HBITMAP hbmOld2 = SelectObject(hdcFinal, hbmFinal);
 313         RECT rect;
 314
 315         SetRect(&rect, 0, 0, nWidth, nHeight);
 316
 317         if(!infoPtr->hbrushBG)
 318             infoPtr->hbrushBG = GetCurrentObject(hDC, OBJ_BRUSH);
 319
 320         FillRect(hdcFinal, &rect, infoPtr->hbrushBG);
 321         ANIMATE_TransparentBlt(infoPtr, hdcFinal, hdcMem);
 322
 323         SelectObject(hdcFinal, hbmOld2);
 324         SelectObject(hdcMem, hbmFinal);
 325         DeleteDC(hdcFinal);
 326         DeleteObject(infoPtr->hbmPrevFrame);
 327         infoPtr->hbmPrevFrame = hbmFinal;
 328     }
 329
 330     if (infoPtr->dwStyle & ACS_CENTER)
 331     {
 332         RECT rect;
 333
 334         GetWindowRect(infoPtr->hwndSelf, &rect);
 335         nOffsetX = ((rect.right - rect.left) - nWidth)/2;
 336         nOffsetY = ((rect.bottom - rect.top) - nHeight)/2;
 337     }
 338     BitBlt(hDC, nOffsetX, nOffsetY, nWidth, nHeight, hdcMem, 0, 0, SRCCOPY);
 339
 340     SelectObject(hdcMem, hbmOld);
 341     DeleteDC(hdcMem);
 342     return TRUE;
 343 }
 344
 345 static BOOL ANIMATE_DrawFrame(ANIMATE_INFO *infoPtr, HDC hDC)
 346 {
 347     TRACE("Drawing frame %d (loop %d)\n", infoPtr->currFrame, infoPtr->nLoop);
 348
 349     mmioSeek(infoPtr->hMMio, infoPtr->lpIndex[infoPtr->currFrame], SEEK_SET);
 350     mmioRead(infoPtr->hMMio, infoPtr->indata, infoPtr->ash.dwSuggestedBufferSize);
 351
 352     if (infoPtr->hic &&
 353         fnIC.fnICDecompress(infoPtr->hic, 0, infoPtr->inbih, infoPtr->indata,
 354                      infoPtr->outbih, infoPtr->outdata) != ICERR_OK) {
 355         WARN("Decompression error\n");
 356         return FALSE;
 357     }
 358
 359     ANIMATE_PaintFrame(infoPtr, hDC);
 360
 361     if (infoPtr->currFrame++ >= infoPtr->nToFrame) {
 362         infoPtr->currFrame = infoPtr->nFromFrame;
 363         if (infoPtr->nLoop != -1) {
 364             if (--infoPtr->nLoop == 0) {
 365                 ANIMATE_DoStop(infoPtr);
 366             }
 367         }
 368     }
 369
 370     return TRUE;
 371 }
 372
 373 static LRESULT ANIMATE_Timer(ANIMATE_INFO *infoPtr)
 374 {
 375     HDC hDC;
 376
 377     if ((hDC = GetDC(infoPtr->hwndSelf)) != 0)
 378     {
 379         EnterCriticalSection(&infoPtr->cs);
 380         ANIMATE_DrawFrame(infoPtr, hDC);
 381         LeaveCriticalSection(&infoPtr->cs);
 382
 383         ReleaseDC(infoPtr->hwndSelf, hDC);
 384     }
 385
 386     return 0;
 387 }
 388
 389 static DWORD CALLBACK ANIMATE_AnimationThread(LPVOID ptr_)
 390 {
 391     ANIMATE_INFO *infoPtr = ptr_;
 392     HANDLE event;
 393     DWORD timeout;
 394
 395     while(1)
 396     {
 397         HDC hDC = GetDC(infoPtr->hwndSelf);
 398
 399         EnterCriticalSection(&infoPtr->cs);
 400         ANIMATE_DrawFrame(infoPtr, hDC);
 401         timeout = infoPtr->mah.dwMicroSecPerFrame;
 402         event = infoPtr->hStopEvent;
 403         LeaveCriticalSection(&infoPtr->cs);
 404
 405         ReleaseDC(infoPtr->hwndSelf, hDC);
 406
 407         /* time is in microseconds, we should convert it to milliseconds */
 408         if ((event == 0) || WaitForSingleObject( event, (timeout+500)/1000) == WAIT_OBJECT_0)
 409             break;
 410     }
 411     return TRUE;
 412 }
 413
 414 static LRESULT ANIMATE_Play(ANIMATE_INFO *infoPtr, UINT cRepeat, WORD wFrom, WORD wTo)
 415 {
 416     /* nothing opened */
 417     if (!infoPtr->hMMio)
 418         return FALSE;
 419
 420     if (infoPtr->hThread || infoPtr->uTimer) {
 421         TRACE("Already playing\n");
 422         return TRUE;
 423     }
 424
 425     infoPtr->nFromFrame = wFrom;
 426     infoPtr->nToFrame   = wTo;
 427     infoPtr->nLoop      = cRepeat;
 428
 429     if (infoPtr->nToFrame == 0xFFFF)
 430         infoPtr->nToFrame = infoPtr->mah.dwTotalFrames - 1;
 431
 432     TRACE("(repeat=%d from=%d to=%d);\n",
 433           infoPtr->nLoop, infoPtr->nFromFrame, infoPtr->nToFrame);
 434
 435     if (infoPtr->nFromFrame >= infoPtr->mah.dwTotalFrames &&
 436         (SHORT)infoPtr->nFromFrame < 0)
 437         infoPtr->nFromFrame = 0;
 438
 439     if (infoPtr->nFromFrame > infoPtr->nToFrame ||
 440         infoPtr->nToFrame >= infoPtr->mah.dwTotalFrames)
 441         return FALSE;
 442
 443     infoPtr->currFrame = infoPtr->nFromFrame;
 444
 445     /* seek - doesn't need to start a thread or set a timer and neither
 446      * does it send a notification */
 447     if (infoPtr->nFromFrame == infoPtr->nToFrame)
 448     {
 449         HDC hDC;
 450
 451         if ((hDC = GetDC(infoPtr->hwndSelf)) != 0)
 452         {
 453             ANIMATE_DrawFrame(infoPtr, hDC);
 454
 455             ReleaseDC(infoPtr->hwndSelf, hDC);
 456         }
 457         return TRUE;
 458     }
 459
 460     if (infoPtr->dwStyle & ACS_TIMER)
 461     {
 462         TRACE("Using a timer\n");
 463         /* create a timer to display AVI */
 464         infoPtr->uTimer = SetTimer(infoPtr->hwndSelf, 1,
 465                                    infoPtr->mah.dwMicroSecPerFrame / 1000, NULL);
 466     }
 467     else
 468     {
 469         TRACE("Using an animation thread\n");
 470         infoPtr->hStopEvent = CreateEventW( NULL, TRUE, FALSE, NULL );
 471         infoPtr->hThread = CreateThread(0, 0, ANIMATE_AnimationThread,
 472                                         infoPtr, 0, &infoPtr->threadId);
 473         if(!infoPtr->hThread) return FALSE;
 474
 475     }
 476
 477     ANIMATE_Notify(infoPtr, ACN_START);
 478
 479     return TRUE;
 480 }
 481
 482
 483 static BOOL ANIMATE_GetAviInfo(ANIMATE_INFO *infoPtr)
 484 {
 485     MMCKINFO            ckMainRIFF;
 486     MMCKINFO            mmckHead;
 487     MMCKINFO            mmckList;
 488     MMCKINFO            mmckInfo;
 489     DWORD               numFrame;
 490     DWORD               insize;
 491
 492     if (mmioDescend(infoPtr->hMMio, &ckMainRIFF, NULL, 0) != 0) {
 493         WARN("Can't find 'RIFF' chunk\n");
 494         return FALSE;
 495     }
 496
 497     if ((ckMainRIFF.ckid != FOURCC_RIFF) ||
 498         (ckMainRIFF.fccType != mmioFOURCC('A', 'V', 'I', ' '))) {
 499         WARN("Can't find 'AVI ' chunk\n");
 500         return FALSE;
 501     }
 502
 503     mmckHead.fccType = mmioFOURCC('h', 'd', 'r', 'l');
 504     if (mmioDescend(infoPtr->hMMio, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 505         WARN("Can't find 'hdrl' list\n");
 506         return FALSE;
 507     }
 508
 509     mmckInfo.ckid = mmioFOURCC('a', 'v', 'i', 'h');
 510     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
 511         WARN("Can't find 'avih' chunk\n");
 512         return FALSE;
 513     }
 514
 515     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->mah, sizeof(infoPtr->mah));
 516
 517     TRACE("mah.dwMicroSecPerFrame=%d\n",        infoPtr->mah.dwMicroSecPerFrame);
 518     TRACE("mah.dwMaxBytesPerSec=%d\n",          infoPtr->mah.dwMaxBytesPerSec);
 519     TRACE("mah.dwPaddingGranularity=%d\n",      infoPtr->mah.dwPaddingGranularity);
 520     TRACE("mah.dwFlags=%d\n",                   infoPtr->mah.dwFlags);
 521     TRACE("mah.dwTotalFrames=%d\n",             infoPtr->mah.dwTotalFrames);
 522     TRACE("mah.dwInitialFrames=%d\n",           infoPtr->mah.dwInitialFrames);
 523     TRACE("mah.dwStreams=%d\n",                 infoPtr->mah.dwStreams);
 524     TRACE("mah.dwSuggestedBufferSize=%d\n",     infoPtr->mah.dwSuggestedBufferSize);
 525     TRACE("mah.dwWidth=%d\n",                   infoPtr->mah.dwWidth);
 526     TRACE("mah.dwHeight=%d\n",                  infoPtr->mah.dwHeight);
 527
 528     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 529
 530     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 531     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) != 0) {
 532         WARN("Can't find 'strl' list\n");
 533         return FALSE;
 534     }
 535
 536     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'h');
 537     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 538         WARN("Can't find 'strh' chunk\n");
 539         return FALSE;
 540     }
 541
 542     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->ash, sizeof(infoPtr->ash));
 543
 544     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(infoPtr->ash.fccType)),
 545                                                 HIBYTE(LOWORD(infoPtr->ash.fccType)),
 546                                                 LOBYTE(HIWORD(infoPtr->ash.fccType)),
 547                                                 HIBYTE(HIWORD(infoPtr->ash.fccType)));
 548     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(infoPtr->ash.fccHandler)),
 549                                                 HIBYTE(LOWORD(infoPtr->ash.fccHandler)),
 550                                                 LOBYTE(HIWORD(infoPtr->ash.fccHandler)),
 551                                                 HIBYTE(HIWORD(infoPtr->ash.fccHandler)));
 552     TRACE("ash.dwFlags=%d\n",                   infoPtr->ash.dwFlags);
 553     TRACE("ash.wPriority=%d\n",                 infoPtr->ash.wPriority);
 554     TRACE("ash.wLanguage=%d\n",                 infoPtr->ash.wLanguage);
 555     TRACE("ash.dwInitialFrames=%d\n",           infoPtr->ash.dwInitialFrames);
 556     TRACE("ash.dwScale=%d\n",                   infoPtr->ash.dwScale);
 557     TRACE("ash.dwRate=%d\n",                    infoPtr->ash.dwRate);
 558     TRACE("ash.dwStart=%d\n",                   infoPtr->ash.dwStart);
 559     TRACE("ash.dwLength=%d\n",                  infoPtr->ash.dwLength);
 560     TRACE("ash.dwSuggestedBufferSize=%d\n",     infoPtr->ash.dwSuggestedBufferSize);
 561     TRACE("ash.dwQuality=%d\n",                 infoPtr->ash.dwQuality);
 562     TRACE("ash.dwSampleSize=%d\n",              infoPtr->ash.dwSampleSize);
 563     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        infoPtr->ash.rcFrame.top, infoPtr->ash.rcFrame.left,
 564           infoPtr->ash.rcFrame.bottom, infoPtr->ash.rcFrame.right);
 565
 566     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 567
 568     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'f');
 569     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 570         WARN("Can't find 'strh' chunk\n");
 571         return FALSE;
 572     }
 573
 574     infoPtr->inbih = Alloc(mmckInfo.cksize);
 575     if (!infoPtr->inbih) {
 576         WARN("Can't alloc input BIH\n");
 577         return FALSE;
 578     }
 579
 580     mmioRead(infoPtr->hMMio, (LPSTR)infoPtr->inbih, mmckInfo.cksize);
 581
 582     TRACE("bih.biSize=%d\n",            infoPtr->inbih->biSize);
 583     TRACE("bih.biWidth=%d\n",           infoPtr->inbih->biWidth);
 584     TRACE("bih.biHeight=%d\n",          infoPtr->inbih->biHeight);
 585     TRACE("bih.biPlanes=%d\n",          infoPtr->inbih->biPlanes);
 586     TRACE("bih.biBitCount=%d\n",        infoPtr->inbih->biBitCount);
 587     TRACE("bih.biCompression=%d\n",     infoPtr->inbih->biCompression);
 588     TRACE("bih.biSizeImage=%d\n",       infoPtr->inbih->biSizeImage);
 589     TRACE("bih.biXPelsPerMeter=%d\n",   infoPtr->inbih->biXPelsPerMeter);
 590     TRACE("bih.biYPelsPerMeter=%d\n",   infoPtr->inbih->biYPelsPerMeter);
 591     TRACE("bih.biClrUsed=%d\n",         infoPtr->inbih->biClrUsed);
 592     TRACE("bih.biClrImportant=%d\n",    infoPtr->inbih->biClrImportant);
 593
 594     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 595
 596     mmioAscend(infoPtr->hMMio, &mmckList, 0);
 597
 598 #if 0
 599     /* an AVI has 0 or 1 video stream, and to be animated should not contain
 600      * an audio stream, so only one strl is allowed
 601      */
 602     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 603     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) == 0) {
 604         WARN("There should be a single 'strl' list\n");
 605         return FALSE;
 606     }
 607 #endif
 608
 609     mmioAscend(infoPtr->hMMio, &mmckHead, 0);
 610
 611     /* no need to read optional JUNK chunk */
 612
 613     mmckList.fccType = mmioFOURCC('m', 'o', 'v', 'i');
 614     if (mmioDescend(infoPtr->hMMio, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 615         WARN("Can't find 'movi' list\n");
 616         return FALSE;
 617     }
 618
 619     /* FIXME: should handle the 'rec ' LIST when present */
 620
 621     infoPtr->lpIndex = Alloc(infoPtr->mah.dwTotalFrames * sizeof(DWORD));
 622     if (!infoPtr->lpIndex)
 623         return FALSE;
 624
 625     numFrame = insize = 0;
 626     while (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, 0) == 0 &&
 627            numFrame < infoPtr->mah.dwTotalFrames) {
 628         infoPtr->lpIndex[numFrame] = mmckInfo.dwDataOffset;
 629         if (insize < mmckInfo.cksize)
 630             insize = mmckInfo.cksize;
 631         numFrame++;
 632         mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 633     }
 634     if (numFrame != infoPtr->mah.dwTotalFrames) {
 635         WARN("Found %d frames (/%d)\n", numFrame, infoPtr->mah.dwTotalFrames);
 636         return FALSE;
 637     }
 638     if (insize > infoPtr->ash.dwSuggestedBufferSize) {
 639         WARN("insize=%d suggestedSize=%d\n", insize, infoPtr->ash.dwSuggestedBufferSize);
 640         infoPtr->ash.dwSuggestedBufferSize = insize;
 641     }
 642
 643     infoPtr->indata = Alloc(infoPtr->ash.dwSuggestedBufferSize);
 644     if (!infoPtr->indata)
 645         return FALSE;
 646
 647     return TRUE;
 648 }
 649
 650
 651 static BOOL ANIMATE_GetAviCodec(ANIMATE_INFO *infoPtr)
 652 {
 653     DWORD       outSize;
 654
 655     /* check uncompressed AVI */
 656     if ((infoPtr->ash.fccHandler == mmioFOURCC('D', 'I', 'B', ' ')) ||
 657        (infoPtr->ash.fccHandler == mmioFOURCC('R', 'L', 'E', ' ')) ||
 658        (infoPtr->ash.fccHandler == mmioFOURCC(0, 0, 0, 0)))
 659     {
 660         infoPtr->hic = 0;
 661         return TRUE;
 662     }
 663
 664     /* try to get a decompressor for that type */
 665     infoPtr->hic = fnIC.fnICOpen(ICTYPE_VIDEO, infoPtr->ash.fccHandler, ICMODE_DECOMPRESS);
 666     if (!infoPtr->hic) {
 667         WARN("Can't load codec for the file\n");
 668         return FALSE;
 669     }
 670
 671     outSize = fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 672                             (DWORD_PTR)infoPtr->inbih, 0L);
 673
 674     infoPtr->outbih = Alloc(outSize);
 675     if (!infoPtr->outbih)
 676         return FALSE;
 677
 678     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 679                       (DWORD_PTR)infoPtr->inbih, (DWORD_PTR)infoPtr->outbih) != ICERR_OK)
 680     {
 681         WARN("Can't get output BIH\n");
 682         return FALSE;
 683     }
 684
 685     infoPtr->outdata = Alloc(infoPtr->outbih->biSizeImage);
 686     if (!infoPtr->outdata)
 687         return FALSE;
 688
 689     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_BEGIN,
 690                       (DWORD_PTR)infoPtr->inbih, (DWORD_PTR)infoPtr->outbih) != ICERR_OK) {
 691         WARN("Can't begin decompression\n");
 692         return FALSE;
 693     }
 694
 695     return TRUE;
 696 }
 697
 698
 699 static BOOL ANIMATE_OpenW(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPWSTR lpszName)
 700 {
 701     HDC hdc;
 702
 703     ANIMATE_Free(infoPtr);
 704
 705     if (!lpszName)
 706     {
 707         TRACE("Closing avi!\n");
 708         /* installer of thebat! v1.62 requires FALSE here */
 709         return (infoPtr->hMMio != 0);
 710     }
 711
 712     if (!hInstance)
 713         hInstance = (HINSTANCE)GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_HINSTANCE);
 714
 715     TRACE("(%s)\n", debugstr_w(lpszName));
 716
 717     if (!IS_INTRESOURCE(lpszName))
 718     {
 719         if (!ANIMATE_LoadResW(infoPtr, hInstance, lpszName))
 720         {
 721             TRACE("No AVI resource found!\n");
 722             if (!ANIMATE_LoadFileW(infoPtr, lpszName))
 723             {
 724                 WARN("No AVI file found!\n");
 725                 return FALSE;
 726             }
 727         }
 728     }
 729     else
 730     {
 731         if (!ANIMATE_LoadResW(infoPtr, hInstance, lpszName))
 732         {
 733             WARN("No AVI resource found!\n");
 734             return FALSE;
 735         }
 736     }
 737
 738     if (!ANIMATE_GetAviInfo(infoPtr))
 739     {
 740         WARN("Can't get AVI information\n");
 741         ANIMATE_Free(infoPtr);
 742         return FALSE;
 743     }
 744
 745     if (!ANIMATE_GetAviCodec(infoPtr))
 746     {
 747         WARN("Can't get AVI Codec\n");
 748         ANIMATE_Free(infoPtr);
 749         return FALSE;
 750     }
 751
 752     hdc = GetDC(infoPtr->hwndSelf);
 753     /* native looks at the top left pixel of the first frame here too. */
 754     infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLORSTATIC,
 755                                              (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
 756     ReleaseDC(infoPtr->hwndSelf, hdc);
 757
 758     if (!(infoPtr->dwStyle & ACS_CENTER))
 759         SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, infoPtr->mah.dwWidth, infoPtr->mah.dwHeight,
 760                      SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
 761
 762     if (infoPtr->dwStyle & ACS_AUTOPLAY)
 763         return ANIMATE_Play(infoPtr, -1, 0, infoPtr->mah.dwTotalFrames - 1);
 764
 765     return TRUE;
 766 }
 767
 768
 769 static BOOL ANIMATE_OpenA(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPSTR lpszName)
 770 {
 771     LPWSTR lpwszName;
 772     LRESULT result;
 773     INT len;
 774
 775     if (IS_INTRESOURCE(lpszName))
 776         return ANIMATE_OpenW(infoPtr, hInstance, (LPWSTR)lpszName);
 777
 778     len = MultiByteToWideChar(CP_ACP, 0, lpszName, -1, NULL, 0);
 779     lpwszName = Alloc(len * sizeof(WCHAR));
 780     if (!lpwszName) return FALSE;
 781     MultiByteToWideChar(CP_ACP, 0, lpszName, -1, lpwszName, len);
 782
 783     result = ANIMATE_OpenW(infoPtr, hInstance, lpwszName);
 784     Free (lpwszName);
 785     return result;
 786 }
 787
 788
 789 static BOOL ANIMATE_Stop(ANIMATE_INFO *infoPtr)
 790 {
 791     /* nothing opened */
 792     if (!infoPtr->hMMio)
 793         return FALSE;
 794
 795     ANIMATE_DoStop(infoPtr);
 796     return TRUE;
 797 }
 798
 799
 800 static BOOL ANIMATE_Create(HWND hWnd, const CREATESTRUCTW *lpcs)
 801 {
 802     static const WCHAR msvfw32W[] = { 'm', 's', 'v', 'f', 'w', '3', '2', '.', 'd', 'l', 'l', 0 };
 803     ANIMATE_INFO *infoPtr;
 804
 805     if (!fnIC.hModule)
 806     {
 807         fnIC.hModule = LoadLibraryW(msvfw32W);
 808         if (!fnIC.hModule) return FALSE;
 809
 810         fnIC.fnICOpen        = (void*)GetProcAddress(fnIC.hModule, "ICOpen");
 811         fnIC.fnICClose       = (void*)GetProcAddress(fnIC.hModule, "ICClose");
 812         fnIC.fnICSendMessage = (void*)GetProcAddress(fnIC.hModule, "ICSendMessage");
 813         fnIC.fnICDecompress  = (void*)GetProcAddress(fnIC.hModule, "ICDecompress");
 814     }
 815
 816     /* allocate memory for info structure */
 817     infoPtr = Alloc(sizeof(ANIMATE_INFO));
 818     if (!infoPtr) return FALSE;
 819
 820     /* store crossref hWnd <-> info structure */
 821     SetWindowLongPtrW(hWnd, 0, (DWORD_PTR)infoPtr);
 822     infoPtr->hwndSelf = hWnd;
 823     infoPtr->hwndNotify = lpcs->hwndParent;
 824     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 825     infoPtr->hbmPrevFrame = 0;
 826     infoPtr->dwStyle = lpcs->style;
 827
 828     TRACE("Animate style=0x%08x, parent=%p\n", infoPtr->dwStyle, infoPtr->hwndNotify);
 829
 830     InitializeCriticalSection(&infoPtr->cs);
 831     infoPtr->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ANIMATE_INFO*->cs");
 832
 833     return TRUE;
 834 }
 835
 836
 837 static LRESULT ANIMATE_Destroy(ANIMATE_INFO *infoPtr)
 838 {
 839     /* free avi data */
 840     ANIMATE_Free(infoPtr);
 841
 842     /* free animate info data */
 843     SetWindowLongPtrW(infoPtr->hwndSelf, 0, 0);
 844
 845     infoPtr->cs.DebugInfo->Spare[0] = 0;
 846     DeleteCriticalSection(&infoPtr->cs);
 847     Free(infoPtr);
 848
 849     return 0;
 850 }
 851
 852
 853 static BOOL ANIMATE_EraseBackground(ANIMATE_INFO const *infoPtr, HDC hdc)
 854 {
 855     RECT rect;
 856     HBRUSH hBrush;
 857
 858     hBrush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLORSTATIC,
 859                                   (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
 860     GetClientRect(infoPtr->hwndSelf, &rect);
 861     FillRect(hdc, &rect, hBrush ? hBrush : GetCurrentObject(hdc, OBJ_BRUSH));
 862
 863     return TRUE;
 864 }
 865
 866
 867 static LRESULT ANIMATE_StyleChanged(ANIMATE_INFO *infoPtr, WPARAM wStyleType, const STYLESTRUCT *lpss)
 868 {
 869     TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
 870           wStyleType, lpss->styleOld, lpss->styleNew);
 871
 872     if (wStyleType != GWL_STYLE) return 0;
 873
 874     infoPtr->dwStyle = lpss->styleNew;
 875
 876     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 877     return 0;
 878 }
 879
 880
 881 static LRESULT WINAPI ANIMATE_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 882 {
 883     ANIMATE_INFO *infoPtr = (ANIMATE_INFO *)GetWindowLongPtrW(hWnd, 0);
 884
 885     TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n", hWnd, uMsg, wParam, lParam);
 886     if (!infoPtr && (uMsg != WM_NCCREATE))
 887         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 888     switch (uMsg)
 889     {
 890     case ACM_OPENA:
 891         return ANIMATE_OpenA(infoPtr, (HINSTANCE)wParam, (LPSTR)lParam);
 892
 893     case ACM_OPENW:
 894         return ANIMATE_OpenW(infoPtr, (HINSTANCE)wParam, (LPWSTR)lParam);
 895
 896     case ACM_PLAY:
 897         return ANIMATE_Play(infoPtr, (INT)wParam, LOWORD(lParam), HIWORD(lParam));
 898
 899     case ACM_STOP:
 900         return ANIMATE_Stop(infoPtr);
 901
 902     case WM_CLOSE:
 903         ANIMATE_Free(infoPtr);
 904         return 0;
 905
 906     case WM_NCCREATE:
 907         return ANIMATE_Create(hWnd, (LPCREATESTRUCTW)lParam);
 908
 909     case WM_NCHITTEST:
 910         return HTTRANSPARENT;
 911
 912     case WM_DESTROY:
 913         return ANIMATE_Destroy(infoPtr);
 914
 915     case WM_ERASEBKGND:
 916         return ANIMATE_EraseBackground(infoPtr, (HDC)wParam);
 917
 918     case WM_STYLECHANGED:
 919         return ANIMATE_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
 920
 921     case WM_TIMER:
 922         return ANIMATE_Timer(infoPtr);
 923
 924     case WM_PRINTCLIENT:
 925     case WM_PAINT:
 926         {
 927             /* the animation has not decompressed
 928              * (and displayed) the first frame yet, don't paint
 929              */
 930             if (!infoPtr->hbmPrevFrame)
 931             {
 932                 /* default paint handling */
 933                 return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 934             }
 935
 936             if (wParam)
 937             {
 938                 EnterCriticalSection(&infoPtr->cs);
 939                 ANIMATE_PaintFrame(infoPtr, (HDC)wParam);
 940                 LeaveCriticalSection(&infoPtr->cs);
 941             }
 942             else
 943             {
 944                 PAINTSTRUCT ps;
 945                 HDC hDC = BeginPaint(infoPtr->hwndSelf, &ps);
 946
 947                 EnterCriticalSection(&infoPtr->cs);
 948                 ANIMATE_PaintFrame(infoPtr, hDC);
 949                 LeaveCriticalSection(&infoPtr->cs);
 950
 951                 EndPaint(infoPtr->hwndSelf, &ps);
 952             }
 953         }
 954         break;
 955
 956     case WM_SIZE:
 957         if (infoPtr->dwStyle & ACS_CENTER)
 958             InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 959         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 960
 961     default:
 962         if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
 963             ERR("unknown msg %04x wp=%08lx lp=%08lx\n", uMsg, wParam, lParam);
 964
 965         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 966     }
 967     return 0;
 968 }
 969
 970 void ANIMATE_Register(void)
 971 {
 972     WNDCLASSW wndClass;
 973
 974     ZeroMemory(&wndClass, sizeof(WNDCLASSW));
 975     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS;
 976     wndClass.lpfnWndProc   = ANIMATE_WindowProc;
 977     wndClass.cbClsExtra    = 0;
 978     wndClass.cbWndExtra    = sizeof(ANIMATE_INFO *);
 979     wndClass.hCursor       = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
 980     wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
 981     wndClass.lpszClassName = ANIMATE_CLASSW;
 982
 983     RegisterClassW(&wndClass);
 984 }
 985
 986
 987 void ANIMATE_Unregister(void)
 988 {
 989     UnregisterClassW(ANIMATE_CLASSW, NULL);
 990 }