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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 #define COM_NO_WINDOWS_H
  37 #include <stdarg.h>
  38 #include <string.h>
  39 #include "windef.h"
  40 #include "winbase.h"
  41 #include "wingdi.h"
  42 #include "winuser.h"
  43 #include "winnls.h"
  44 #include "commctrl.h"
  45 #include "vfw.h"
  46 #include "mmsystem.h"
  47 #include "comctl32.h"
  48 #include "wine/debug.h"
  49
  50 WINE_DEFAULT_DEBUG_CHANNEL(animate);
  51
  52 static struct {
  53     HMODULE     hModule;
  54     HIC         (WINAPI *fnICOpen)(DWORD, DWORD, UINT);
  55     LRESULT     (WINAPI *fnICClose)(HIC);
  56     LRESULT     (WINAPI *fnICSendMessage)(HIC, UINT, DWORD, DWORD);
  57     DWORD       (WINAPIV *fnICDecompress)(HIC,DWORD,LPBITMAPINFOHEADER,LPVOID,LPBITMAPINFOHEADER,LPVOID);
  58 } fnIC;
  59
  60 typedef struct
  61 {
  62    /* reference to input stream (file or resource) */
  63    HGLOBAL              hRes;
  64    HMMIO                hMMio;  /* handle to mmio stream */
  65    HWND                 hwndSelf;
  66    HWND                 hwndNotify;
  67    DWORD                dwStyle;
  68    /* information on the loaded AVI file */
  69    MainAVIHeader        mah;
  70    AVIStreamHeader      ash;
  71    LPBITMAPINFOHEADER   inbih;
  72    LPDWORD              lpIndex;
  73    /* data for the decompressor */
  74    HIC                  hic;
  75    LPBITMAPINFOHEADER   outbih;
  76    LPVOID               indata;
  77    LPVOID               outdata;
  78    /* data for the background mechanism */
  79    CRITICAL_SECTION     cs;
  80    HANDLE               hStopEvent;
  81    HANDLE               hThread;
  82    DWORD                threadId;
  83    UINT                 uTimer;
  84    /* data for playing the file */
  85    int                  nFromFrame;
  86    int                  nToFrame;
  87    int                  nLoop;
  88    int                  currFrame;
  89    /* tranparency info*/
  90    COLORREF             transparentColor;
  91    HBRUSH               hbrushBG;
  92    HBITMAP              hbmPrevFrame;
  93 } ANIMATE_INFO;
  94
  95 #define ANIMATE_COLOR_NONE      0xffffffff
  96
  97 static void ANIMATE_Notify(ANIMATE_INFO *infoPtr, UINT notif)
  98 {
  99     SendMessageW(infoPtr->hwndNotify, WM_COMMAND,
 100                  MAKEWPARAM(GetDlgCtrlID(infoPtr->hwndSelf), notif),
 101                  (LPARAM)infoPtr->hwndSelf);
 102 }
 103
 104 static BOOL ANIMATE_LoadResW(ANIMATE_INFO *infoPtr, HINSTANCE hInst, LPWSTR lpName)
 105 {
 106     static const WCHAR aviW[] = { 'A', 'V', 'I', 0 };
 107     HRSRC       hrsrc;
 108     MMIOINFO    mminfo;
 109     LPVOID      lpAvi;
 110
 111     hrsrc = FindResourceW(hInst, lpName, aviW);
 112     if (!hrsrc)
 113         return FALSE;
 114
 115     infoPtr->hRes = LoadResource(hInst, hrsrc);
 116     if (!infoPtr->hRes)
 117         return FALSE;
 118
 119     lpAvi = LockResource(infoPtr->hRes);
 120     if (!lpAvi)
 121         return FALSE;
 122
 123     memset(&mminfo, 0, sizeof(mminfo));
 124     mminfo.fccIOProc = FOURCC_MEM;
 125     mminfo.pchBuffer = (LPSTR)lpAvi;
 126     mminfo.cchBuffer = SizeofResource(hInst, hrsrc);
 127     infoPtr->hMMio = mmioOpenW(NULL, &mminfo, MMIO_READ);
 128     if (!infoPtr->hMMio)
 129     {
 130         FreeResource(infoPtr->hRes);
 131         return FALSE;
 132     }
 133
 134     return TRUE;
 135 }
 136
 137
 138 static BOOL ANIMATE_LoadFileW(ANIMATE_INFO *infoPtr, LPWSTR lpName)
 139 {
 140     infoPtr->hMMio = mmioOpenW(lpName, 0, MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
 141
 142     return (BOOL)infoPtr->hMMio;
 143 }
 144
 145
 146 static BOOL ANIMATE_DoStop(ANIMATE_INFO *infoPtr)
 147 {
 148     EnterCriticalSection(&infoPtr->cs);
 149
 150     /* should stop playing */
 151     if (infoPtr->hThread)
 152     {
 153         HANDLE handle = infoPtr->hThread;
 154
 155         TRACE("stopping animation thread\n");
 156         infoPtr->hThread = 0;
 157         SetEvent( infoPtr->hStopEvent );
 158
 159         if (infoPtr->threadId != GetCurrentThreadId())
 160         {
 161             LeaveCriticalSection(&infoPtr->cs);  /* leave it a chance to run */
 162             WaitForSingleObject( handle, INFINITE );
 163             TRACE("animation thread stopped\n");
 164             EnterCriticalSection(&infoPtr->cs);
 165         }
 166
 167         CloseHandle( handle );
 168         CloseHandle( infoPtr->hStopEvent );
 169         infoPtr->hStopEvent = 0;
 170     }
 171     if (infoPtr->uTimer) {
 172         KillTimer(infoPtr->hwndSelf, infoPtr->uTimer);
 173         infoPtr->uTimer = 0;
 174     }
 175
 176     LeaveCriticalSection(&infoPtr->cs);
 177
 178     ANIMATE_Notify(infoPtr, ACN_STOP);
 179
 180     return TRUE;
 181 }
 182
 183
 184 static void ANIMATE_Free(ANIMATE_INFO *infoPtr)
 185 {
 186     if (infoPtr->hMMio) {
 187         ANIMATE_DoStop(infoPtr);
 188         mmioClose(infoPtr->hMMio, 0);
 189         if (infoPtr->hRes) {
 190             FreeResource(infoPtr->hRes);
 191             infoPtr->hRes = 0;
 192         }
 193         Free (infoPtr->lpIndex);
 194         infoPtr->lpIndex = NULL;
 195         if (infoPtr->hic) {
 196             fnIC.fnICClose(infoPtr->hic);
 197             infoPtr->hic = 0;
 198         }
 199         Free (infoPtr->inbih);
 200         infoPtr->inbih = NULL;
 201         Free (infoPtr->outbih);
 202         infoPtr->outbih = NULL;
 203         Free (infoPtr->indata);
 204         infoPtr->indata = NULL;
 205         Free (infoPtr->outdata);
 206         infoPtr->outdata = NULL;
 207         if( infoPtr->hbmPrevFrame )
 208         {
 209             DeleteObject(infoPtr->hbmPrevFrame);
 210             infoPtr->hbmPrevFrame = 0;
 211         }
 212
 213         memset(&infoPtr->mah, 0, sizeof(infoPtr->mah));
 214         memset(&infoPtr->ash, 0, sizeof(infoPtr->ash));
 215         infoPtr->nFromFrame = infoPtr->nToFrame = infoPtr->nLoop = infoPtr->currFrame = 0;
 216     }
 217     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 218 }
 219
 220 static void ANIMATE_TransparentBlt(ANIMATE_INFO *infoPtr, HDC hdcDest, HDC hdcSource)
 221 {
 222     HDC hdcMask;
 223     HBITMAP hbmMask;
 224     HBITMAP hbmOld;
 225
 226     /* create a transparency mask */
 227     hdcMask = CreateCompatibleDC(hdcDest);
 228     hbmMask = CreateBitmap(infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, 1,1,NULL);
 229     hbmOld = SelectObject(hdcMask, hbmMask);
 230
 231     SetBkColor(hdcSource,infoPtr->transparentColor);
 232     BitBlt(hdcMask,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCCOPY);
 233
 234     /* mask the source bitmap */
 235     SetBkColor(hdcSource, RGB(0,0,0));
 236     SetTextColor(hdcSource, RGB(255,255,255));
 237     BitBlt(hdcSource, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 238
 239     /* mask the destination bitmap */
 240     SetBkColor(hdcDest, RGB(255,255,255));
 241     SetTextColor(hdcDest, RGB(0,0,0));
 242     BitBlt(hdcDest, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 243
 244     /* combine source and destination */
 245     BitBlt(hdcDest,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCPAINT);
 246
 247     SelectObject(hdcMask, hbmOld);
 248     DeleteObject(hbmMask);
 249     DeleteDC(hdcMask);
 250 }
 251
 252 static BOOL ANIMATE_PaintFrame(ANIMATE_INFO* infoPtr, HDC hDC)
 253 {
 254     void* pBitmapData = NULL;
 255     LPBITMAPINFO pBitmapInfo = NULL;
 256
 257     HDC hdcMem;
 258     HBITMAP hbmOld;
 259
 260     int nOffsetX = 0;
 261     int nOffsetY = 0;
 262
 263     int nWidth;
 264     int nHeight;
 265
 266     if (!hDC || !infoPtr->inbih)
 267         return TRUE;
 268
 269     if (infoPtr->hic )
 270     {
 271         pBitmapData = infoPtr->outdata;
 272         pBitmapInfo = (LPBITMAPINFO)infoPtr->outbih;
 273
 274         nWidth = infoPtr->outbih->biWidth;
 275         nHeight = infoPtr->outbih->biHeight;
 276     }
 277     else
 278     {
 279         pBitmapData = infoPtr->indata;
 280         pBitmapInfo = (LPBITMAPINFO)infoPtr->inbih;
 281
 282         nWidth = infoPtr->inbih->biWidth;
 283         nHeight = infoPtr->inbih->biHeight;
 284     }
 285
 286     if(!infoPtr->hbmPrevFrame)
 287     {
 288         infoPtr->hbmPrevFrame=CreateCompatibleBitmap(hDC, nWidth,nHeight );
 289     }
 290
 291     SetDIBits(hDC, infoPtr->hbmPrevFrame, 0, nHeight, pBitmapData, (LPBITMAPINFO)pBitmapInfo, DIB_RGB_COLORS);
 292
 293     hdcMem = CreateCompatibleDC(hDC);
 294     hbmOld = SelectObject(hdcMem, infoPtr->hbmPrevFrame);
 295
 296     /*
 297      * we need to get the transparent color even without ACS_TRANSPARENT,
 298      * because the style can be changed later on and the color should always
 299      * be obtained in the first frame
 300      */
 301     if(infoPtr->transparentColor == ANIMATE_COLOR_NONE)
 302     {
 303         infoPtr->transparentColor = GetPixel(hdcMem,0,0);
 304     }
 305
 306     if(infoPtr->dwStyle & ACS_TRANSPARENT)
 307     {
 308         HDC hdcFinal = CreateCompatibleDC(hDC);
 309         HBITMAP hbmFinal = CreateCompatibleBitmap(hDC,nWidth, nHeight);
 310         HBITMAP hbmOld2 = SelectObject(hdcFinal, hbmFinal);
 311         RECT rect;
 312
 313         rect.left = 0;
 314         rect.top = 0;
 315         rect.right = nWidth;
 316         rect.bottom = nHeight;
 317
 318         if(!infoPtr->hbrushBG)
 319             infoPtr->hbrushBG = GetCurrentObject(hDC, OBJ_BRUSH);
 320
 321         FillRect(hdcFinal, &rect, infoPtr->hbrushBG);
 322         ANIMATE_TransparentBlt(infoPtr, hdcFinal, hdcMem);
 323
 324         SelectObject(hdcFinal, hbmOld2);
 325         SelectObject(hdcMem, hbmFinal);
 326         DeleteDC(hdcFinal);
 327         DeleteObject(infoPtr->hbmPrevFrame);
 328         infoPtr->hbmPrevFrame = hbmFinal;
 329     }
 330
 331     if (infoPtr->dwStyle & ACS_CENTER)
 332     {
 333         RECT rect;
 334
 335         GetWindowRect(infoPtr->hwndSelf, &rect);
 336         nOffsetX = ((rect.right - rect.left) - nWidth)/2;
 337         nOffsetY = ((rect.bottom - rect.top) - nHeight)/2;
 338     }
 339     BitBlt(hDC, nOffsetX, nOffsetY, nWidth, nHeight, hdcMem, 0, 0, SRCCOPY);
 340
 341     SelectObject(hdcMem, hbmOld);
 342     DeleteDC(hdcMem);
 343     return TRUE;
 344 }
 345
 346 static BOOL ANIMATE_DrawFrame(ANIMATE_INFO *infoPtr)
 347 {
 348     HDC         hDC;
 349
 350     TRACE("Drawing frame %d (loop %d)\n", infoPtr->currFrame, infoPtr->nLoop);
 351
 352     mmioSeek(infoPtr->hMMio, infoPtr->lpIndex[infoPtr->currFrame], SEEK_SET);
 353     mmioRead(infoPtr->hMMio, infoPtr->indata, infoPtr->ash.dwSuggestedBufferSize);
 354
 355     if (infoPtr->hic &&
 356         fnIC.fnICDecompress(infoPtr->hic, 0, infoPtr->inbih, infoPtr->indata,
 357                      infoPtr->outbih, infoPtr->outdata) != ICERR_OK) {
 358         WARN("Decompression error\n");
 359         return FALSE;
 360     }
 361
 362     if ((hDC = GetDC(infoPtr->hwndSelf)) != 0) {
 363         ANIMATE_PaintFrame(infoPtr, hDC);
 364         ReleaseDC(infoPtr->hwndSelf, hDC);
 365     }
 366
 367     if (infoPtr->currFrame++ >= infoPtr->nToFrame) {
 368         infoPtr->currFrame = infoPtr->nFromFrame;
 369         if (infoPtr->nLoop != -1) {
 370             if (--infoPtr->nLoop == 0) {
 371                 ANIMATE_DoStop(infoPtr);
 372             }
 373         }
 374     }
 375
 376     return TRUE;
 377 }
 378
 379 static LRESULT ANIMATE_Timer(ANIMATE_INFO *infoPtr)
 380 {
 381    /* FIXME: we should pass the hDC instead of 0 to WM_CTLCOLORSTATIC */
 382    if (infoPtr->dwStyle & ACS_TRANSPARENT)
 383         infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
 384                                                  WM_CTLCOLORSTATIC,
 385                                                  0, (LPARAM)infoPtr->hwndSelf);
 386     EnterCriticalSection(&infoPtr->cs);
 387     ANIMATE_DrawFrame(infoPtr);
 388     LeaveCriticalSection(&infoPtr->cs);
 389
 390     return 0;
 391 }
 392
 393 static DWORD CALLBACK ANIMATE_AnimationThread(LPVOID ptr_)
 394 {
 395     ANIMATE_INFO *infoPtr = (ANIMATE_INFO *)ptr_;
 396     HANDLE event;
 397     DWORD timeout;
 398
 399     while(1)
 400     {
 401         EnterCriticalSection(&infoPtr->cs);
 402         ANIMATE_DrawFrame(infoPtr);
 403         timeout = infoPtr->mah.dwMicroSecPerFrame;
 404         event = infoPtr->hStopEvent;
 405         LeaveCriticalSection(&infoPtr->cs);
 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->nToFrame ||
 436         infoPtr->nToFrame >= infoPtr->mah.dwTotalFrames)
 437         return FALSE;
 438
 439     infoPtr->currFrame = infoPtr->nFromFrame;
 440
 441     if (infoPtr->dwStyle & ACS_TIMER)
 442     {
 443         TRACE("Using a timer\n");
 444         /* create a timer to display AVI */
 445         infoPtr->uTimer = SetTimer(infoPtr->hwndSelf, 1,
 446                                    infoPtr->mah.dwMicroSecPerFrame / 1000, NULL);
 447     }
 448     else
 449     {
 450         if(infoPtr->dwStyle & ACS_TRANSPARENT)
 451             infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
 452                                                      WM_CTLCOLORSTATIC, 0,
 453                                                      (LPARAM)infoPtr->hwndSelf);
 454
 455         TRACE("Using an animation thread\n");
 456         infoPtr->hStopEvent = CreateEventW( NULL, TRUE, FALSE, NULL );
 457         infoPtr->hThread = CreateThread(0, 0, ANIMATE_AnimationThread,
 458                                         (LPVOID)infoPtr, 0, &infoPtr->threadId);
 459         if(!infoPtr->hThread) return FALSE;
 460
 461     }
 462
 463     ANIMATE_Notify(infoPtr, ACN_START);
 464
 465     return TRUE;
 466 }
 467
 468
 469 static BOOL ANIMATE_GetAviInfo(ANIMATE_INFO *infoPtr)
 470 {
 471     MMCKINFO            ckMainRIFF;
 472     MMCKINFO            mmckHead;
 473     MMCKINFO            mmckList;
 474     MMCKINFO            mmckInfo;
 475     DWORD               numFrame;
 476     DWORD               insize;
 477
 478     if (mmioDescend(infoPtr->hMMio, &ckMainRIFF, NULL, 0) != 0) {
 479         WARN("Can't find 'RIFF' chunk\n");
 480         return FALSE;
 481     }
 482
 483     if ((ckMainRIFF.ckid != FOURCC_RIFF) ||
 484         (ckMainRIFF.fccType != mmioFOURCC('A', 'V', 'I', ' '))) {
 485         WARN("Can't find 'AVI ' chunk\n");
 486         return FALSE;
 487     }
 488
 489     mmckHead.fccType = mmioFOURCC('h', 'd', 'r', 'l');
 490     if (mmioDescend(infoPtr->hMMio, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 491         WARN("Can't find 'hdrl' list\n");
 492         return FALSE;
 493     }
 494
 495     mmckInfo.ckid = mmioFOURCC('a', 'v', 'i', 'h');
 496     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
 497         WARN("Can't find 'avih' chunk\n");
 498         return FALSE;
 499     }
 500
 501     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->mah, sizeof(infoPtr->mah));
 502
 503     TRACE("mah.dwMicroSecPerFrame=%ld\n",       infoPtr->mah.dwMicroSecPerFrame);
 504     TRACE("mah.dwMaxBytesPerSec=%ld\n",         infoPtr->mah.dwMaxBytesPerSec);
 505     TRACE("mah.dwPaddingGranularity=%ld\n",     infoPtr->mah.dwPaddingGranularity);
 506     TRACE("mah.dwFlags=%ld\n",                  infoPtr->mah.dwFlags);
 507     TRACE("mah.dwTotalFrames=%ld\n",            infoPtr->mah.dwTotalFrames);
 508     TRACE("mah.dwInitialFrames=%ld\n",          infoPtr->mah.dwInitialFrames);
 509     TRACE("mah.dwStreams=%ld\n",                infoPtr->mah.dwStreams);
 510     TRACE("mah.dwSuggestedBufferSize=%ld\n",    infoPtr->mah.dwSuggestedBufferSize);
 511     TRACE("mah.dwWidth=%ld\n",                  infoPtr->mah.dwWidth);
 512     TRACE("mah.dwHeight=%ld\n",                 infoPtr->mah.dwHeight);
 513
 514     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 515
 516     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 517     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) != 0) {
 518         WARN("Can't find 'strl' list\n");
 519         return FALSE;
 520     }
 521
 522     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'h');
 523     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 524         WARN("Can't find 'strh' chunk\n");
 525         return FALSE;
 526     }
 527
 528     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->ash, sizeof(infoPtr->ash));
 529
 530     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(infoPtr->ash.fccType)),
 531                                                 HIBYTE(LOWORD(infoPtr->ash.fccType)),
 532                                                 LOBYTE(HIWORD(infoPtr->ash.fccType)),
 533                                                 HIBYTE(HIWORD(infoPtr->ash.fccType)));
 534     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(infoPtr->ash.fccHandler)),
 535                                                 HIBYTE(LOWORD(infoPtr->ash.fccHandler)),
 536                                                 LOBYTE(HIWORD(infoPtr->ash.fccHandler)),
 537                                                 HIBYTE(HIWORD(infoPtr->ash.fccHandler)));
 538     TRACE("ash.dwFlags=%ld\n",                  infoPtr->ash.dwFlags);
 539     TRACE("ash.wPriority=%d\n",                 infoPtr->ash.wPriority);
 540     TRACE("ash.wLanguage=%d\n",                 infoPtr->ash.wLanguage);
 541     TRACE("ash.dwInitialFrames=%ld\n",          infoPtr->ash.dwInitialFrames);
 542     TRACE("ash.dwScale=%ld\n",                  infoPtr->ash.dwScale);
 543     TRACE("ash.dwRate=%ld\n",                   infoPtr->ash.dwRate);
 544     TRACE("ash.dwStart=%ld\n",                  infoPtr->ash.dwStart);
 545     TRACE("ash.dwLength=%ld\n",                 infoPtr->ash.dwLength);
 546     TRACE("ash.dwSuggestedBufferSize=%ld\n",    infoPtr->ash.dwSuggestedBufferSize);
 547     TRACE("ash.dwQuality=%ld\n",                infoPtr->ash.dwQuality);
 548     TRACE("ash.dwSampleSize=%ld\n",             infoPtr->ash.dwSampleSize);
 549     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        infoPtr->ash.rcFrame.top, infoPtr->ash.rcFrame.left,
 550           infoPtr->ash.rcFrame.bottom, infoPtr->ash.rcFrame.right);
 551
 552     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 553
 554     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'f');
 555     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 556         WARN("Can't find 'strh' chunk\n");
 557         return FALSE;
 558     }
 559
 560     infoPtr->inbih = Alloc(mmckInfo.cksize);
 561     if (!infoPtr->inbih) {
 562         WARN("Can't alloc input BIH\n");
 563         return FALSE;
 564     }
 565
 566     mmioRead(infoPtr->hMMio, (LPSTR)infoPtr->inbih, mmckInfo.cksize);
 567
 568     TRACE("bih.biSize=%ld\n",           infoPtr->inbih->biSize);
 569     TRACE("bih.biWidth=%ld\n",          infoPtr->inbih->biWidth);
 570     TRACE("bih.biHeight=%ld\n",         infoPtr->inbih->biHeight);
 571     TRACE("bih.biPlanes=%d\n",          infoPtr->inbih->biPlanes);
 572     TRACE("bih.biBitCount=%d\n",        infoPtr->inbih->biBitCount);
 573     TRACE("bih.biCompression=%ld\n",    infoPtr->inbih->biCompression);
 574     TRACE("bih.biSizeImage=%ld\n",      infoPtr->inbih->biSizeImage);
 575     TRACE("bih.biXPelsPerMeter=%ld\n",  infoPtr->inbih->biXPelsPerMeter);
 576     TRACE("bih.biYPelsPerMeter=%ld\n",  infoPtr->inbih->biYPelsPerMeter);
 577     TRACE("bih.biClrUsed=%ld\n",        infoPtr->inbih->biClrUsed);
 578     TRACE("bih.biClrImportant=%ld\n",   infoPtr->inbih->biClrImportant);
 579
 580     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 581
 582     mmioAscend(infoPtr->hMMio, &mmckList, 0);
 583
 584 #if 0
 585     /* an AVI has 0 or 1 video stream, and to be animated should not contain
 586      * an audio stream, so only one strl is allowed
 587      */
 588     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 589     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) == 0) {
 590         WARN("There should be a single 'strl' list\n");
 591         return FALSE;
 592     }
 593 #endif
 594
 595     mmioAscend(infoPtr->hMMio, &mmckHead, 0);
 596
 597     /* no need to read optional JUNK chunk */
 598
 599     mmckList.fccType = mmioFOURCC('m', 'o', 'v', 'i');
 600     if (mmioDescend(infoPtr->hMMio, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 601         WARN("Can't find 'movi' list\n");
 602         return FALSE;
 603     }
 604
 605     /* FIXME: should handle the 'rec ' LIST when present */
 606
 607     infoPtr->lpIndex = Alloc(infoPtr->mah.dwTotalFrames * sizeof(DWORD));
 608     if (!infoPtr->lpIndex)
 609         return FALSE;
 610
 611     numFrame = insize = 0;
 612     while (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, 0) == 0 &&
 613            numFrame < infoPtr->mah.dwTotalFrames) {
 614         infoPtr->lpIndex[numFrame] = mmckInfo.dwDataOffset;
 615         if (insize < mmckInfo.cksize)
 616             insize = mmckInfo.cksize;
 617         numFrame++;
 618         mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 619     }
 620     if (numFrame != infoPtr->mah.dwTotalFrames) {
 621         WARN("Found %ld frames (/%ld)\n", numFrame, infoPtr->mah.dwTotalFrames);
 622         return FALSE;
 623     }
 624     if (insize > infoPtr->ash.dwSuggestedBufferSize) {
 625         WARN("insize=%ld suggestedSize=%ld\n", insize, infoPtr->ash.dwSuggestedBufferSize);
 626         infoPtr->ash.dwSuggestedBufferSize = insize;
 627     }
 628
 629     infoPtr->indata = Alloc(infoPtr->ash.dwSuggestedBufferSize);
 630     if (!infoPtr->indata)
 631         return FALSE;
 632
 633     return TRUE;
 634 }
 635
 636
 637 static BOOL ANIMATE_GetAviCodec(ANIMATE_INFO *infoPtr)
 638 {
 639     DWORD       outSize;
 640
 641     /* check uncompressed AVI */
 642     if ((infoPtr->ash.fccHandler == mmioFOURCC('D', 'I', 'B', ' ')) ||
 643        (infoPtr->ash.fccHandler == mmioFOURCC('R', 'L', 'E', ' ')) ||
 644        (infoPtr->ash.fccHandler == mmioFOURCC(0, 0, 0, 0)))
 645     {
 646         infoPtr->hic = 0;
 647         return TRUE;
 648     }
 649
 650     /* try to get a decompressor for that type */
 651     infoPtr->hic = fnIC.fnICOpen(ICTYPE_VIDEO, infoPtr->ash.fccHandler, ICMODE_DECOMPRESS);
 652     if (!infoPtr->hic) {
 653         WARN("Can't load codec for the file\n");
 654         return FALSE;
 655     }
 656
 657     outSize = fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 658                             (DWORD)infoPtr->inbih, 0L);
 659
 660     infoPtr->outbih = Alloc(outSize);
 661     if (!infoPtr->outbih)
 662         return FALSE;
 663
 664     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 665                       (DWORD)infoPtr->inbih, (DWORD)infoPtr->outbih) != outSize)
 666     {
 667         WARN("Can't get output BIH\n");
 668         return FALSE;
 669     }
 670
 671     infoPtr->outdata = Alloc(infoPtr->outbih->biSizeImage);
 672     if (!infoPtr->outdata)
 673         return FALSE;
 674
 675     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_BEGIN,
 676                       (DWORD)infoPtr->inbih, (DWORD)infoPtr->outbih) != ICERR_OK) {
 677         WARN("Can't begin decompression\n");
 678         return FALSE;
 679     }
 680
 681     return TRUE;
 682 }
 683
 684
 685 static BOOL ANIMATE_OpenW(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPWSTR lpszName)
 686 {
 687     ANIMATE_Free(infoPtr);
 688
 689     if (!lpszName)
 690     {
 691         TRACE("Closing avi!\n");
 692         /* installer of thebat! v1.62 requires FALSE here */
 693         return (infoPtr->hMMio != 0);
 694     }
 695
 696     if (!hInstance)
 697         hInstance = (HINSTANCE)GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_HINSTANCE);
 698
 699     if (HIWORD(lpszName))
 700     {
 701         TRACE("(\"%s\");\n", debugstr_w(lpszName));
 702
 703         if (!ANIMATE_LoadResW(infoPtr, hInstance, lpszName))
 704         {
 705             TRACE("No AVI resource found!\n");
 706             if (!ANIMATE_LoadFileW(infoPtr, lpszName))
 707             {
 708                 WARN("No AVI file found!\n");
 709                 return FALSE;
 710             }
 711         }
 712     }
 713     else
 714     {
 715         TRACE("(%u);\n", (WORD)(DWORD)lpszName);
 716
 717         if (!ANIMATE_LoadResW(infoPtr, hInstance, MAKEINTRESOURCEW((INT)lpszName)))
 718         {
 719             WARN("No AVI resource found!\n");
 720             return FALSE;
 721         }
 722     }
 723
 724     if (!ANIMATE_GetAviInfo(infoPtr))
 725     {
 726         WARN("Can't get AVI information\n");
 727         ANIMATE_Free(infoPtr);
 728         return FALSE;
 729     }
 730
 731     if (!ANIMATE_GetAviCodec(infoPtr))
 732     {
 733         WARN("Can't get AVI Codec\n");
 734         ANIMATE_Free(infoPtr);
 735         return FALSE;
 736     }
 737
 738     if (!(infoPtr->dwStyle & ACS_CENTER))
 739         SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, infoPtr->mah.dwWidth, infoPtr->mah.dwHeight,
 740                      SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
 741
 742     if (infoPtr->dwStyle & ACS_AUTOPLAY)
 743         return ANIMATE_Play(infoPtr, -1, 0, infoPtr->mah.dwTotalFrames - 1);
 744
 745     return TRUE;
 746 }
 747
 748
 749 static BOOL ANIMATE_OpenA(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPSTR lpszName)
 750 {
 751     LPWSTR lpwszName;
 752     LRESULT result;
 753     INT len;
 754
 755     if (!HIWORD(lpszName))
 756         return ANIMATE_OpenW(infoPtr, hInstance, (LPWSTR)lpszName);
 757
 758     len = MultiByteToWideChar(CP_ACP, 0, lpszName, -1, NULL, 0);
 759     lpwszName = Alloc(len * sizeof(WCHAR));
 760     if (!lpwszName) return FALSE;
 761     MultiByteToWideChar(CP_ACP, 0, lpszName, -1, lpwszName, len);
 762
 763     result = ANIMATE_OpenW(infoPtr, hInstance, lpwszName);
 764     Free (lpwszName);
 765     return result;
 766 }
 767
 768
 769 static BOOL ANIMATE_Stop(ANIMATE_INFO *infoPtr)
 770 {
 771     /* nothing opened */
 772     if (!infoPtr->hMMio)
 773         return FALSE;
 774
 775     ANIMATE_DoStop(infoPtr);
 776     return TRUE;
 777 }
 778
 779
 780 static BOOL ANIMATE_Create(HWND hWnd, LPCREATESTRUCTW lpcs)
 781 {
 782     static const WCHAR msvfw32W[] = { 'm', 's', 'v', 'f', 'w', '3', '2', '.', 'd', 'l', 'l', 0 };
 783     ANIMATE_INFO *infoPtr;
 784
 785     if (!fnIC.hModule)
 786     {
 787         fnIC.hModule = LoadLibraryW(msvfw32W);
 788         if (!fnIC.hModule) return FALSE;
 789
 790         fnIC.fnICOpen        = (void*)GetProcAddress(fnIC.hModule, "ICOpen");
 791         fnIC.fnICClose       = (void*)GetProcAddress(fnIC.hModule, "ICClose");
 792         fnIC.fnICSendMessage = (void*)GetProcAddress(fnIC.hModule, "ICSendMessage");
 793         fnIC.fnICDecompress  = (void*)GetProcAddress(fnIC.hModule, "ICDecompress");
 794     }
 795
 796     /* allocate memory for info structure */
 797     infoPtr = (ANIMATE_INFO *)Alloc(sizeof(ANIMATE_INFO));
 798     if (!infoPtr) return FALSE;
 799
 800     /* store crossref hWnd <-> info structure */
 801     SetWindowLongPtrW(hWnd, 0, (DWORD_PTR)infoPtr);
 802     infoPtr->hwndSelf = hWnd;
 803     infoPtr->hwndNotify = lpcs->hwndParent;
 804     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 805     infoPtr->hbmPrevFrame = 0;
 806     infoPtr->dwStyle = lpcs->style;
 807
 808     TRACE("Animate style=0x%08lx, parent=%p\n", infoPtr->dwStyle, infoPtr->hwndNotify);
 809
 810     InitializeCriticalSection(&infoPtr->cs);
 811
 812     return TRUE;
 813 }
 814
 815
 816 static LRESULT ANIMATE_Destroy(ANIMATE_INFO *infoPtr)
 817 {
 818     /* free avi data */
 819     ANIMATE_Free(infoPtr);
 820
 821     /* free animate info data */
 822     SetWindowLongPtrW(infoPtr->hwndSelf, 0, 0);
 823
 824     DeleteCriticalSection(&infoPtr->cs);
 825     Free(infoPtr);
 826
 827     return 0;
 828 }
 829
 830
 831 static BOOL ANIMATE_EraseBackground(ANIMATE_INFO *infoPtr, HDC hdc)
 832 {
 833     RECT rect;
 834     HBRUSH hBrush = 0;
 835
 836     if(infoPtr->dwStyle & ACS_TRANSPARENT)
 837     {
 838         hBrush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLORSTATIC,
 839                                       (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
 840     }
 841
 842     GetClientRect(infoPtr->hwndSelf, &rect);
 843     FillRect(hdc, &rect, hBrush ? hBrush : GetCurrentObject(hdc, OBJ_BRUSH));
 844
 845     return TRUE;
 846 }
 847
 848
 849 static LRESULT ANIMATE_StyleChanged(ANIMATE_INFO *infoPtr, WPARAM wStyleType, LPSTYLESTRUCT lpss)
 850 {
 851     TRACE("(styletype=%x, styleOld=0x%08lx, styleNew=0x%08lx)\n",
 852           wStyleType, lpss->styleOld, lpss->styleNew);
 853
 854     if (wStyleType != GWL_STYLE) return 0;
 855
 856     infoPtr->dwStyle = lpss->styleNew;
 857
 858     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 859     return 0;
 860 }
 861
 862
 863 static LRESULT WINAPI ANIMATE_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 864 {
 865     ANIMATE_INFO *infoPtr = (ANIMATE_INFO *)GetWindowLongPtrW(hWnd, 0);
 866
 867     TRACE("hwnd=%p msg=%x wparam=%x lparam=%lx\n", hWnd, uMsg, wParam, lParam);
 868     if (!infoPtr && (uMsg != WM_NCCREATE))
 869         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 870     switch (uMsg)
 871     {
 872     case ACM_OPENA:
 873         return ANIMATE_OpenA(infoPtr, (HINSTANCE)wParam, (LPSTR)lParam);
 874
 875     case ACM_OPENW:
 876         return ANIMATE_OpenW(infoPtr, (HINSTANCE)wParam, (LPWSTR)lParam);
 877
 878     case ACM_PLAY:
 879         return ANIMATE_Play(infoPtr, (INT)wParam, LOWORD(lParam), HIWORD(lParam));
 880
 881     case ACM_STOP:
 882         return ANIMATE_Stop(infoPtr);
 883
 884     case WM_CLOSE:
 885         ANIMATE_Free(infoPtr);
 886         return 0;
 887
 888     case WM_NCCREATE:
 889         return ANIMATE_Create(hWnd, (LPCREATESTRUCTW)lParam);
 890
 891     case WM_NCHITTEST:
 892         return HTTRANSPARENT;
 893
 894     case WM_DESTROY:
 895         return ANIMATE_Destroy(infoPtr);
 896
 897     case WM_ERASEBKGND:
 898         return ANIMATE_EraseBackground(infoPtr, (HDC)wParam);
 899
 900     case WM_STYLECHANGED:
 901         return ANIMATE_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
 902
 903     case WM_TIMER:
 904         return ANIMATE_Timer(infoPtr);
 905
 906     case WM_PAINT:
 907         {
 908             /* the animation isn't playing, or has not decompressed
 909              * (and displayed) the first frame yet, don't paint
 910              */
 911             if ((!infoPtr->uTimer && !infoPtr->hThread) ||
 912                 !infoPtr->hbmPrevFrame)
 913             {
 914                 /* default paint handling */
 915                 return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 916             }
 917
 918             if (infoPtr->dwStyle & ACS_TRANSPARENT)
 919                 infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
 920                                                          WM_CTLCOLORSTATIC,
 921                                                          wParam, (LPARAM)infoPtr->hwndSelf);
 922
 923             if (wParam)
 924             {
 925                 EnterCriticalSection(&infoPtr->cs);
 926                 ANIMATE_PaintFrame(infoPtr, (HDC)wParam);
 927                 LeaveCriticalSection(&infoPtr->cs);
 928             }
 929             else
 930             {
 931                 PAINTSTRUCT ps;
 932                 HDC hDC = BeginPaint(infoPtr->hwndSelf, &ps);
 933
 934                 EnterCriticalSection(&infoPtr->cs);
 935                 ANIMATE_PaintFrame(infoPtr, hDC);
 936                 LeaveCriticalSection(&infoPtr->cs);
 937
 938                 EndPaint(infoPtr->hwndSelf, &ps);
 939             }
 940         }
 941         break;
 942
 943     case WM_SIZE:
 944         if (infoPtr->dwStyle & ACS_CENTER)
 945             InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 946         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 947
 948     default:
 949         if ((uMsg >= WM_USER) && (uMsg < WM_APP))
 950             ERR("unknown msg %04x wp=%08x lp=%08lx\n", uMsg, wParam, lParam);
 951
 952         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 953     }
 954     return 0;
 955 }
 956
 957 void ANIMATE_Register(void)
 958 {
 959     WNDCLASSW wndClass;
 960
 961     ZeroMemory(&wndClass, sizeof(WNDCLASSW));
 962     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS;
 963     wndClass.lpfnWndProc   = ANIMATE_WindowProc;
 964     wndClass.cbClsExtra    = 0;
 965     wndClass.cbWndExtra    = sizeof(ANIMATE_INFO *);
 966     wndClass.hCursor       = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
 967     wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
 968     wndClass.lpszClassName = ANIMATE_CLASSW;
 969
 970     RegisterClassW(&wndClass);
 971 }
 972
 973
 974 void ANIMATE_Unregister(void)
 975 {
 976     UnregisterClassW(ANIMATE_CLASSW, NULL);
 977 }