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     SendMessageW(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 = (LPSTR)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         rect.left = 0;
 316         rect.top = 0;
 317         rect.right = nWidth;
 318         rect.bottom = nHeight;
 319
 320         infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
 321                                                  WM_CTLCOLORSTATIC,
 322                                                  (WPARAM)hDC, (LPARAM)infoPtr->hwndSelf);
 323         if(!infoPtr->hbrushBG)
 324             infoPtr->hbrushBG = GetCurrentObject(hDC, OBJ_BRUSH);
 325
 326         FillRect(hdcFinal, &rect, infoPtr->hbrushBG);
 327         ANIMATE_TransparentBlt(infoPtr, hdcFinal, hdcMem);
 328
 329         SelectObject(hdcFinal, hbmOld2);
 330         SelectObject(hdcMem, hbmFinal);
 331         DeleteDC(hdcFinal);
 332         DeleteObject(infoPtr->hbmPrevFrame);
 333         infoPtr->hbmPrevFrame = hbmFinal;
 334     }
 335
 336     if (infoPtr->dwStyle & ACS_CENTER)
 337     {
 338         RECT rect;
 339
 340         GetWindowRect(infoPtr->hwndSelf, &rect);
 341         nOffsetX = ((rect.right - rect.left) - nWidth)/2;
 342         nOffsetY = ((rect.bottom - rect.top) - nHeight)/2;
 343     }
 344     BitBlt(hDC, nOffsetX, nOffsetY, nWidth, nHeight, hdcMem, 0, 0, SRCCOPY);
 345
 346     SelectObject(hdcMem, hbmOld);
 347     DeleteDC(hdcMem);
 348     return TRUE;
 349 }
 350
 351 static BOOL ANIMATE_DrawFrame(ANIMATE_INFO *infoPtr)
 352 {
 353     HDC         hDC;
 354
 355     TRACE("Drawing frame %d (loop %d)\n", infoPtr->currFrame, infoPtr->nLoop);
 356
 357     mmioSeek(infoPtr->hMMio, infoPtr->lpIndex[infoPtr->currFrame], SEEK_SET);
 358     mmioRead(infoPtr->hMMio, infoPtr->indata, infoPtr->ash.dwSuggestedBufferSize);
 359
 360     if (infoPtr->hic &&
 361         fnIC.fnICDecompress(infoPtr->hic, 0, infoPtr->inbih, infoPtr->indata,
 362                      infoPtr->outbih, infoPtr->outdata) != ICERR_OK) {
 363         WARN("Decompression error\n");
 364         return FALSE;
 365     }
 366
 367     if ((hDC = GetDC(infoPtr->hwndSelf)) != 0) {
 368         ANIMATE_PaintFrame(infoPtr, hDC);
 369         ReleaseDC(infoPtr->hwndSelf, hDC);
 370     }
 371
 372     if (infoPtr->currFrame++ >= infoPtr->nToFrame) {
 373         infoPtr->currFrame = infoPtr->nFromFrame;
 374         if (infoPtr->nLoop != -1) {
 375             if (--infoPtr->nLoop == 0) {
 376                 ANIMATE_DoStop(infoPtr);
 377             }
 378         }
 379     }
 380
 381     return TRUE;
 382 }
 383
 384 static LRESULT ANIMATE_Timer(ANIMATE_INFO *infoPtr)
 385 {
 386    /* FIXME: we should pass the hDC instead of 0 to WM_CTLCOLORSTATIC */
 387    if (infoPtr->dwStyle & ACS_TRANSPARENT)
 388         infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
 389                                                  WM_CTLCOLORSTATIC,
 390                                                  0, (LPARAM)infoPtr->hwndSelf);
 391     EnterCriticalSection(&infoPtr->cs);
 392     ANIMATE_DrawFrame(infoPtr);
 393     LeaveCriticalSection(&infoPtr->cs);
 394
 395     return 0;
 396 }
 397
 398 static DWORD CALLBACK ANIMATE_AnimationThread(LPVOID ptr_)
 399 {
 400     ANIMATE_INFO *infoPtr = (ANIMATE_INFO *)ptr_;
 401     HANDLE event;
 402     DWORD timeout;
 403
 404     while(1)
 405     {
 406         EnterCriticalSection(&infoPtr->cs);
 407         ANIMATE_DrawFrame(infoPtr);
 408         timeout = infoPtr->mah.dwMicroSecPerFrame;
 409         event = infoPtr->hStopEvent;
 410         LeaveCriticalSection(&infoPtr->cs);
 411
 412         /* time is in microseconds, we should convert it to milliseconds */
 413         if ((event == 0) || WaitForSingleObject( event, (timeout+500)/1000) == WAIT_OBJECT_0)
 414             break;
 415     }
 416     return TRUE;
 417 }
 418
 419 static LRESULT ANIMATE_Play(ANIMATE_INFO *infoPtr, UINT cRepeat, WORD wFrom, WORD wTo)
 420 {
 421     /* nothing opened */
 422     if (!infoPtr->hMMio)
 423         return FALSE;
 424
 425     if (infoPtr->hThread || infoPtr->uTimer) {
 426         TRACE("Already playing\n");
 427         return TRUE;
 428     }
 429
 430     infoPtr->nFromFrame = wFrom;
 431     infoPtr->nToFrame   = wTo;
 432     infoPtr->nLoop      = cRepeat;
 433
 434     if (infoPtr->nToFrame == 0xFFFF)
 435         infoPtr->nToFrame = infoPtr->mah.dwTotalFrames - 1;
 436
 437     TRACE("(repeat=%d from=%d to=%d);\n",
 438           infoPtr->nLoop, infoPtr->nFromFrame, infoPtr->nToFrame);
 439
 440     if (infoPtr->nFromFrame >= infoPtr->mah.dwTotalFrames &&
 441         (SHORT)infoPtr->nFromFrame < 0)
 442         infoPtr->nFromFrame = 0;
 443
 444     if (infoPtr->nFromFrame > infoPtr->nToFrame ||
 445         infoPtr->nToFrame >= infoPtr->mah.dwTotalFrames)
 446         return FALSE;
 447
 448     infoPtr->currFrame = infoPtr->nFromFrame;
 449
 450     /* seek - doesn't need to start a thread or set a timer and neither
 451      * does it send a notification */
 452     if (infoPtr->nFromFrame == infoPtr->nToFrame)
 453     {
 454         ANIMATE_DrawFrame(infoPtr);
 455         return TRUE;
 456     }
 457
 458     if (infoPtr->dwStyle & ACS_TIMER)
 459     {
 460         TRACE("Using a timer\n");
 461         /* create a timer to display AVI */
 462         infoPtr->uTimer = SetTimer(infoPtr->hwndSelf, 1,
 463                                    infoPtr->mah.dwMicroSecPerFrame / 1000, NULL);
 464     }
 465     else
 466     {
 467         if(infoPtr->dwStyle & ACS_TRANSPARENT)
 468             infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
 469                                                      WM_CTLCOLORSTATIC, 0,
 470                                                      (LPARAM)infoPtr->hwndSelf);
 471
 472         TRACE("Using an animation thread\n");
 473         infoPtr->hStopEvent = CreateEventW( NULL, TRUE, FALSE, NULL );
 474         infoPtr->hThread = CreateThread(0, 0, ANIMATE_AnimationThread,
 475                                         (LPVOID)infoPtr, 0, &infoPtr->threadId);
 476         if(!infoPtr->hThread) return FALSE;
 477
 478     }
 479
 480     ANIMATE_Notify(infoPtr, ACN_START);
 481
 482     return TRUE;
 483 }
 484
 485
 486 static BOOL ANIMATE_GetAviInfo(ANIMATE_INFO *infoPtr)
 487 {
 488     MMCKINFO            ckMainRIFF;
 489     MMCKINFO            mmckHead;
 490     MMCKINFO            mmckList;
 491     MMCKINFO            mmckInfo;
 492     DWORD               numFrame;
 493     DWORD               insize;
 494
 495     if (mmioDescend(infoPtr->hMMio, &ckMainRIFF, NULL, 0) != 0) {
 496         WARN("Can't find 'RIFF' chunk\n");
 497         return FALSE;
 498     }
 499
 500     if ((ckMainRIFF.ckid != FOURCC_RIFF) ||
 501         (ckMainRIFF.fccType != mmioFOURCC('A', 'V', 'I', ' '))) {
 502         WARN("Can't find 'AVI ' chunk\n");
 503         return FALSE;
 504     }
 505
 506     mmckHead.fccType = mmioFOURCC('h', 'd', 'r', 'l');
 507     if (mmioDescend(infoPtr->hMMio, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 508         WARN("Can't find 'hdrl' list\n");
 509         return FALSE;
 510     }
 511
 512     mmckInfo.ckid = mmioFOURCC('a', 'v', 'i', 'h');
 513     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
 514         WARN("Can't find 'avih' chunk\n");
 515         return FALSE;
 516     }
 517
 518     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->mah, sizeof(infoPtr->mah));
 519
 520     TRACE("mah.dwMicroSecPerFrame=%d\n",        infoPtr->mah.dwMicroSecPerFrame);
 521     TRACE("mah.dwMaxBytesPerSec=%d\n",          infoPtr->mah.dwMaxBytesPerSec);
 522     TRACE("mah.dwPaddingGranularity=%d\n",      infoPtr->mah.dwPaddingGranularity);
 523     TRACE("mah.dwFlags=%d\n",                   infoPtr->mah.dwFlags);
 524     TRACE("mah.dwTotalFrames=%d\n",             infoPtr->mah.dwTotalFrames);
 525     TRACE("mah.dwInitialFrames=%d\n",           infoPtr->mah.dwInitialFrames);
 526     TRACE("mah.dwStreams=%d\n",                 infoPtr->mah.dwStreams);
 527     TRACE("mah.dwSuggestedBufferSize=%d\n",     infoPtr->mah.dwSuggestedBufferSize);
 528     TRACE("mah.dwWidth=%d\n",                   infoPtr->mah.dwWidth);
 529     TRACE("mah.dwHeight=%d\n",                  infoPtr->mah.dwHeight);
 530
 531     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 532
 533     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 534     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) != 0) {
 535         WARN("Can't find 'strl' list\n");
 536         return FALSE;
 537     }
 538
 539     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'h');
 540     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 541         WARN("Can't find 'strh' chunk\n");
 542         return FALSE;
 543     }
 544
 545     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->ash, sizeof(infoPtr->ash));
 546
 547     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(infoPtr->ash.fccType)),
 548                                                 HIBYTE(LOWORD(infoPtr->ash.fccType)),
 549                                                 LOBYTE(HIWORD(infoPtr->ash.fccType)),
 550                                                 HIBYTE(HIWORD(infoPtr->ash.fccType)));
 551     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(infoPtr->ash.fccHandler)),
 552                                                 HIBYTE(LOWORD(infoPtr->ash.fccHandler)),
 553                                                 LOBYTE(HIWORD(infoPtr->ash.fccHandler)),
 554                                                 HIBYTE(HIWORD(infoPtr->ash.fccHandler)));
 555     TRACE("ash.dwFlags=%d\n",                   infoPtr->ash.dwFlags);
 556     TRACE("ash.wPriority=%d\n",                 infoPtr->ash.wPriority);
 557     TRACE("ash.wLanguage=%d\n",                 infoPtr->ash.wLanguage);
 558     TRACE("ash.dwInitialFrames=%d\n",           infoPtr->ash.dwInitialFrames);
 559     TRACE("ash.dwScale=%d\n",                   infoPtr->ash.dwScale);
 560     TRACE("ash.dwRate=%d\n",                    infoPtr->ash.dwRate);
 561     TRACE("ash.dwStart=%d\n",                   infoPtr->ash.dwStart);
 562     TRACE("ash.dwLength=%d\n",                  infoPtr->ash.dwLength);
 563     TRACE("ash.dwSuggestedBufferSize=%d\n",     infoPtr->ash.dwSuggestedBufferSize);
 564     TRACE("ash.dwQuality=%d\n",                 infoPtr->ash.dwQuality);
 565     TRACE("ash.dwSampleSize=%d\n",              infoPtr->ash.dwSampleSize);
 566     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        infoPtr->ash.rcFrame.top, infoPtr->ash.rcFrame.left,
 567           infoPtr->ash.rcFrame.bottom, infoPtr->ash.rcFrame.right);
 568
 569     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 570
 571     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'f');
 572     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 573         WARN("Can't find 'strh' chunk\n");
 574         return FALSE;
 575     }
 576
 577     infoPtr->inbih = Alloc(mmckInfo.cksize);
 578     if (!infoPtr->inbih) {
 579         WARN("Can't alloc input BIH\n");
 580         return FALSE;
 581     }
 582
 583     mmioRead(infoPtr->hMMio, (LPSTR)infoPtr->inbih, mmckInfo.cksize);
 584
 585     TRACE("bih.biSize=%d\n",            infoPtr->inbih->biSize);
 586     TRACE("bih.biWidth=%d\n",           infoPtr->inbih->biWidth);
 587     TRACE("bih.biHeight=%d\n",          infoPtr->inbih->biHeight);
 588     TRACE("bih.biPlanes=%d\n",          infoPtr->inbih->biPlanes);
 589     TRACE("bih.biBitCount=%d\n",        infoPtr->inbih->biBitCount);
 590     TRACE("bih.biCompression=%d\n",     infoPtr->inbih->biCompression);
 591     TRACE("bih.biSizeImage=%d\n",       infoPtr->inbih->biSizeImage);
 592     TRACE("bih.biXPelsPerMeter=%d\n",   infoPtr->inbih->biXPelsPerMeter);
 593     TRACE("bih.biYPelsPerMeter=%d\n",   infoPtr->inbih->biYPelsPerMeter);
 594     TRACE("bih.biClrUsed=%d\n",         infoPtr->inbih->biClrUsed);
 595     TRACE("bih.biClrImportant=%d\n",    infoPtr->inbih->biClrImportant);
 596
 597     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 598
 599     mmioAscend(infoPtr->hMMio, &mmckList, 0);
 600
 601 #if 0
 602     /* an AVI has 0 or 1 video stream, and to be animated should not contain
 603      * an audio stream, so only one strl is allowed
 604      */
 605     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 606     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) == 0) {
 607         WARN("There should be a single 'strl' list\n");
 608         return FALSE;
 609     }
 610 #endif
 611
 612     mmioAscend(infoPtr->hMMio, &mmckHead, 0);
 613
 614     /* no need to read optional JUNK chunk */
 615
 616     mmckList.fccType = mmioFOURCC('m', 'o', 'v', 'i');
 617     if (mmioDescend(infoPtr->hMMio, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 618         WARN("Can't find 'movi' list\n");
 619         return FALSE;
 620     }
 621
 622     /* FIXME: should handle the 'rec ' LIST when present */
 623
 624     infoPtr->lpIndex = Alloc(infoPtr->mah.dwTotalFrames * sizeof(DWORD));
 625     if (!infoPtr->lpIndex)
 626         return FALSE;
 627
 628     numFrame = insize = 0;
 629     while (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, 0) == 0 &&
 630            numFrame < infoPtr->mah.dwTotalFrames) {
 631         infoPtr->lpIndex[numFrame] = mmckInfo.dwDataOffset;
 632         if (insize < mmckInfo.cksize)
 633             insize = mmckInfo.cksize;
 634         numFrame++;
 635         mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 636     }
 637     if (numFrame != infoPtr->mah.dwTotalFrames) {
 638         WARN("Found %d frames (/%d)\n", numFrame, infoPtr->mah.dwTotalFrames);
 639         return FALSE;
 640     }
 641     if (insize > infoPtr->ash.dwSuggestedBufferSize) {
 642         WARN("insize=%d suggestedSize=%d\n", insize, infoPtr->ash.dwSuggestedBufferSize);
 643         infoPtr->ash.dwSuggestedBufferSize = insize;
 644     }
 645
 646     infoPtr->indata = Alloc(infoPtr->ash.dwSuggestedBufferSize);
 647     if (!infoPtr->indata)
 648         return FALSE;
 649
 650     return TRUE;
 651 }
 652
 653
 654 static BOOL ANIMATE_GetAviCodec(ANIMATE_INFO *infoPtr)
 655 {
 656     DWORD       outSize;
 657
 658     /* check uncompressed AVI */
 659     if ((infoPtr->ash.fccHandler == mmioFOURCC('D', 'I', 'B', ' ')) ||
 660        (infoPtr->ash.fccHandler == mmioFOURCC('R', 'L', 'E', ' ')) ||
 661        (infoPtr->ash.fccHandler == mmioFOURCC(0, 0, 0, 0)))
 662     {
 663         infoPtr->hic = 0;
 664         return TRUE;
 665     }
 666
 667     /* try to get a decompressor for that type */
 668     infoPtr->hic = fnIC.fnICOpen(ICTYPE_VIDEO, infoPtr->ash.fccHandler, ICMODE_DECOMPRESS);
 669     if (!infoPtr->hic) {
 670         WARN("Can't load codec for the file\n");
 671         return FALSE;
 672     }
 673
 674     outSize = fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 675                             (DWORD_PTR)infoPtr->inbih, 0L);
 676
 677     infoPtr->outbih = Alloc(outSize);
 678     if (!infoPtr->outbih)
 679         return FALSE;
 680
 681     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 682                       (DWORD_PTR)infoPtr->inbih, (DWORD_PTR)infoPtr->outbih) != ICERR_OK)
 683     {
 684         WARN("Can't get output BIH\n");
 685         return FALSE;
 686     }
 687
 688     infoPtr->outdata = Alloc(infoPtr->outbih->biSizeImage);
 689     if (!infoPtr->outdata)
 690         return FALSE;
 691
 692     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_BEGIN,
 693                       (DWORD_PTR)infoPtr->inbih, (DWORD_PTR)infoPtr->outbih) != ICERR_OK) {
 694         WARN("Can't begin decompression\n");
 695         return FALSE;
 696     }
 697
 698     return TRUE;
 699 }
 700
 701
 702 static BOOL ANIMATE_OpenW(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPWSTR lpszName)
 703 {
 704     ANIMATE_Free(infoPtr);
 705
 706     if (!lpszName)
 707     {
 708         TRACE("Closing avi!\n");
 709         /* installer of thebat! v1.62 requires FALSE here */
 710         return (infoPtr->hMMio != 0);
 711     }
 712
 713     if (!hInstance)
 714         hInstance = (HINSTANCE)GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_HINSTANCE);
 715
 716     TRACE("(%s)\n", debugstr_w(lpszName));
 717
 718     if (HIWORD(lpszName))
 719     {
 720         if (!ANIMATE_LoadResW(infoPtr, hInstance, lpszName))
 721         {
 722             TRACE("No AVI resource found!\n");
 723             if (!ANIMATE_LoadFileW(infoPtr, lpszName))
 724             {
 725                 WARN("No AVI file found!\n");
 726                 return FALSE;
 727             }
 728         }
 729     }
 730     else
 731     {
 732         if (!ANIMATE_LoadResW(infoPtr, hInstance, lpszName))
 733         {
 734             WARN("No AVI resource found!\n");
 735             return FALSE;
 736         }
 737     }
 738
 739     if (!ANIMATE_GetAviInfo(infoPtr))
 740     {
 741         WARN("Can't get AVI information\n");
 742         ANIMATE_Free(infoPtr);
 743         return FALSE;
 744     }
 745
 746     if (!ANIMATE_GetAviCodec(infoPtr))
 747     {
 748         WARN("Can't get AVI Codec\n");
 749         ANIMATE_Free(infoPtr);
 750         return FALSE;
 751     }
 752
 753     if (!(infoPtr->dwStyle & ACS_CENTER))
 754         SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, infoPtr->mah.dwWidth, infoPtr->mah.dwHeight,
 755                      SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
 756
 757     if (infoPtr->dwStyle & ACS_AUTOPLAY)
 758         return ANIMATE_Play(infoPtr, -1, 0, infoPtr->mah.dwTotalFrames - 1);
 759
 760     return TRUE;
 761 }
 762
 763
 764 static BOOL ANIMATE_OpenA(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPSTR lpszName)
 765 {
 766     LPWSTR lpwszName;
 767     LRESULT result;
 768     INT len;
 769
 770     if (!HIWORD(lpszName))
 771         return ANIMATE_OpenW(infoPtr, hInstance, (LPWSTR)lpszName);
 772
 773     len = MultiByteToWideChar(CP_ACP, 0, lpszName, -1, NULL, 0);
 774     lpwszName = Alloc(len * sizeof(WCHAR));
 775     if (!lpwszName) return FALSE;
 776     MultiByteToWideChar(CP_ACP, 0, lpszName, -1, lpwszName, len);
 777
 778     result = ANIMATE_OpenW(infoPtr, hInstance, lpwszName);
 779     Free (lpwszName);
 780     return result;
 781 }
 782
 783
 784 static BOOL ANIMATE_Stop(ANIMATE_INFO *infoPtr)
 785 {
 786     /* nothing opened */
 787     if (!infoPtr->hMMio)
 788         return FALSE;
 789
 790     ANIMATE_DoStop(infoPtr);
 791     return TRUE;
 792 }
 793
 794
 795 static BOOL ANIMATE_Create(HWND hWnd, const CREATESTRUCTW *lpcs)
 796 {
 797     static const WCHAR msvfw32W[] = { 'm', 's', 'v', 'f', 'w', '3', '2', '.', 'd', 'l', 'l', 0 };
 798     ANIMATE_INFO *infoPtr;
 799
 800     if (!fnIC.hModule)
 801     {
 802         fnIC.hModule = LoadLibraryW(msvfw32W);
 803         if (!fnIC.hModule) return FALSE;
 804
 805         fnIC.fnICOpen        = (void*)GetProcAddress(fnIC.hModule, "ICOpen");
 806         fnIC.fnICClose       = (void*)GetProcAddress(fnIC.hModule, "ICClose");
 807         fnIC.fnICSendMessage = (void*)GetProcAddress(fnIC.hModule, "ICSendMessage");
 808         fnIC.fnICDecompress  = (void*)GetProcAddress(fnIC.hModule, "ICDecompress");
 809     }
 810
 811     /* allocate memory for info structure */
 812     infoPtr = (ANIMATE_INFO *)Alloc(sizeof(ANIMATE_INFO));
 813     if (!infoPtr) return FALSE;
 814
 815     /* store crossref hWnd <-> info structure */
 816     SetWindowLongPtrW(hWnd, 0, (DWORD_PTR)infoPtr);
 817     infoPtr->hwndSelf = hWnd;
 818     infoPtr->hwndNotify = lpcs->hwndParent;
 819     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 820     infoPtr->hbmPrevFrame = 0;
 821     infoPtr->dwStyle = lpcs->style;
 822
 823     TRACE("Animate style=0x%08x, parent=%p\n", infoPtr->dwStyle, infoPtr->hwndNotify);
 824
 825     InitializeCriticalSection(&infoPtr->cs);
 826     infoPtr->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ANIMATE_INFO*->cs");
 827
 828     return TRUE;
 829 }
 830
 831
 832 static LRESULT ANIMATE_Destroy(ANIMATE_INFO *infoPtr)
 833 {
 834     /* free avi data */
 835     ANIMATE_Free(infoPtr);
 836
 837     /* free animate info data */
 838     SetWindowLongPtrW(infoPtr->hwndSelf, 0, 0);
 839
 840     infoPtr->cs.DebugInfo->Spare[0] = 0;
 841     DeleteCriticalSection(&infoPtr->cs);
 842     Free(infoPtr);
 843
 844     return 0;
 845 }
 846
 847
 848 static BOOL ANIMATE_EraseBackground(ANIMATE_INFO const *infoPtr, HDC hdc)
 849 {
 850     RECT rect;
 851     HBRUSH hBrush = 0;
 852
 853     if(infoPtr->dwStyle & ACS_TRANSPARENT)
 854     {
 855         hBrush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLORSTATIC,
 856                                       (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
 857     }
 858
 859     GetClientRect(infoPtr->hwndSelf, &rect);
 860     FillRect(hdc, &rect, hBrush ? hBrush : GetCurrentObject(hdc, OBJ_BRUSH));
 861
 862     return TRUE;
 863 }
 864
 865
 866 static LRESULT ANIMATE_StyleChanged(ANIMATE_INFO *infoPtr, WPARAM wStyleType, const STYLESTRUCT *lpss)
 867 {
 868     TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
 869           wStyleType, lpss->styleOld, lpss->styleNew);
 870
 871     if (wStyleType != GWL_STYLE) return 0;
 872
 873     infoPtr->dwStyle = lpss->styleNew;
 874
 875     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 876     return 0;
 877 }
 878
 879
 880 static LRESULT WINAPI ANIMATE_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 881 {
 882     ANIMATE_INFO *infoPtr = (ANIMATE_INFO *)GetWindowLongPtrW(hWnd, 0);
 883
 884     TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n", hWnd, uMsg, wParam, lParam);
 885     if (!infoPtr && (uMsg != WM_NCCREATE))
 886         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 887     switch (uMsg)
 888     {
 889     case ACM_OPENA:
 890         return ANIMATE_OpenA(infoPtr, (HINSTANCE)wParam, (LPSTR)lParam);
 891
 892     case ACM_OPENW:
 893         return ANIMATE_OpenW(infoPtr, (HINSTANCE)wParam, (LPWSTR)lParam);
 894
 895     case ACM_PLAY:
 896         return ANIMATE_Play(infoPtr, (INT)wParam, LOWORD(lParam), HIWORD(lParam));
 897
 898     case ACM_STOP:
 899         return ANIMATE_Stop(infoPtr);
 900
 901     case WM_CLOSE:
 902         ANIMATE_Free(infoPtr);
 903         return 0;
 904
 905     case WM_NCCREATE:
 906         return ANIMATE_Create(hWnd, (LPCREATESTRUCTW)lParam);
 907
 908     case WM_NCHITTEST:
 909         return HTTRANSPARENT;
 910
 911     case WM_DESTROY:
 912         return ANIMATE_Destroy(infoPtr);
 913
 914     case WM_ERASEBKGND:
 915         return ANIMATE_EraseBackground(infoPtr, (HDC)wParam);
 916
 917     case WM_STYLECHANGED:
 918         return ANIMATE_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
 919
 920     case WM_TIMER:
 921         return ANIMATE_Timer(infoPtr);
 922
 923     case WM_PRINTCLIENT:
 924     case WM_PAINT:
 925         {
 926             /* the animation has not decompressed
 927              * (and displayed) the first frame yet, don't paint
 928              */
 929             if (!infoPtr->hbmPrevFrame)
 930             {
 931                 /* default paint handling */
 932                 return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 933             }
 934
 935             if (wParam)
 936             {
 937                 EnterCriticalSection(&infoPtr->cs);
 938                 ANIMATE_PaintFrame(infoPtr, (HDC)wParam);
 939                 LeaveCriticalSection(&infoPtr->cs);
 940             }
 941             else
 942             {
 943                 PAINTSTRUCT ps;
 944                 HDC hDC = BeginPaint(infoPtr->hwndSelf, &ps);
 945
 946                 EnterCriticalSection(&infoPtr->cs);
 947                 ANIMATE_PaintFrame(infoPtr, hDC);
 948                 LeaveCriticalSection(&infoPtr->cs);
 949
 950                 EndPaint(infoPtr->hwndSelf, &ps);
 951             }
 952         }
 953         break;
 954
 955     case WM_SIZE:
 956         if (infoPtr->dwStyle & ACS_CENTER)
 957             InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 958         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 959
 960     default:
 961         if ((uMsg >= WM_USER) && (uMsg < WM_APP))
 962             ERR("unknown msg %04x wp=%08lx lp=%08lx\n", uMsg, wParam, lParam);
 963
 964         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 965     }
 966     return 0;
 967 }
 968
 969 void ANIMATE_Register(void)
 970 {
 971     WNDCLASSW wndClass;
 972
 973     ZeroMemory(&wndClass, sizeof(WNDCLASSW));
 974     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS;
 975     wndClass.lpfnWndProc   = ANIMATE_WindowProc;
 976     wndClass.cbClsExtra    = 0;
 977     wndClass.cbWndExtra    = sizeof(ANIMATE_INFO *);
 978     wndClass.hCursor       = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
 979     wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
 980     wndClass.lpszClassName = ANIMATE_CLASSW;
 981
 982     RegisterClassW(&wndClass);
 983 }
 984
 985
 986 void ANIMATE_Unregister(void)
 987 {
 988     UnregisterClassW(ANIMATE_CLASSW, NULL);
 989 }