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