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    /* tranparency 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     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 const *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 const *pBitmapData;
 255     BITMAPINFO const *pBitmapInfo;
 256     HDC hdcMem;
 257     HBITMAP hbmOld;
 258     int nOffsetX = 0;
 259     int nOffsetY = 0;
 260     int nWidth;
 261     int nHeight;
 262
 263     if (!hDC || !infoPtr->inbih)
 264         return TRUE;
 265
 266     if (infoPtr->hic )
 267     {
 268         pBitmapData = infoPtr->outdata;
 269         pBitmapInfo = (LPBITMAPINFO)infoPtr->outbih;
 270
 271         nWidth = infoPtr->outbih->biWidth;
 272         nHeight = infoPtr->outbih->biHeight;
 273     }
 274     else
 275     {
 276         pBitmapData = infoPtr->indata;
 277         pBitmapInfo = (LPBITMAPINFO)infoPtr->inbih;
 278
 279         nWidth = infoPtr->inbih->biWidth;
 280         nHeight = infoPtr->inbih->biHeight;
 281     }
 282
 283     if(!infoPtr->hbmPrevFrame)
 284     {
 285         infoPtr->hbmPrevFrame=CreateCompatibleBitmap(hDC, nWidth,nHeight );
 286     }
 287
 288     hdcMem = CreateCompatibleDC(hDC);
 289     hbmOld = SelectObject(hdcMem, infoPtr->hbmPrevFrame);
 290
 291     SetDIBits(hdcMem, infoPtr->hbmPrevFrame, 0, nHeight, pBitmapData, pBitmapInfo, DIB_RGB_COLORS);
 292
 293     /*
 294      * we need to get the transparent color even without ACS_TRANSPARENT,
 295      * because the style can be changed later on and the color should always
 296      * be obtained in the first frame
 297      */
 298     if(infoPtr->transparentColor == ANIMATE_COLOR_NONE)
 299     {
 300         infoPtr->transparentColor = GetPixel(hdcMem,0,0);
 301     }
 302
 303     if(infoPtr->dwStyle & ACS_TRANSPARENT)
 304     {
 305         HDC hdcFinal = CreateCompatibleDC(hDC);
 306         HBITMAP hbmFinal = CreateCompatibleBitmap(hDC,nWidth, nHeight);
 307         HBITMAP hbmOld2 = SelectObject(hdcFinal, hbmFinal);
 308         RECT rect;
 309
 310         rect.left = 0;
 311         rect.top = 0;
 312         rect.right = nWidth;
 313         rect.bottom = nHeight;
 314
 315         if(!infoPtr->hbrushBG)
 316             infoPtr->hbrushBG = GetCurrentObject(hDC, OBJ_BRUSH);
 317
 318         FillRect(hdcFinal, &rect, infoPtr->hbrushBG);
 319         ANIMATE_TransparentBlt(infoPtr, hdcFinal, hdcMem);
 320
 321         SelectObject(hdcFinal, hbmOld2);
 322         SelectObject(hdcMem, hbmFinal);
 323         DeleteDC(hdcFinal);
 324         DeleteObject(infoPtr->hbmPrevFrame);
 325         infoPtr->hbmPrevFrame = hbmFinal;
 326     }
 327
 328     if (infoPtr->dwStyle & ACS_CENTER)
 329     {
 330         RECT rect;
 331
 332         GetWindowRect(infoPtr->hwndSelf, &rect);
 333         nOffsetX = ((rect.right - rect.left) - nWidth)/2;
 334         nOffsetY = ((rect.bottom - rect.top) - nHeight)/2;
 335     }
 336     BitBlt(hDC, nOffsetX, nOffsetY, nWidth, nHeight, hdcMem, 0, 0, SRCCOPY);
 337
 338     SelectObject(hdcMem, hbmOld);
 339     DeleteDC(hdcMem);
 340     return TRUE;
 341 }
 342
 343 static BOOL ANIMATE_DrawFrame(ANIMATE_INFO *infoPtr)
 344 {
 345     HDC         hDC;
 346
 347     TRACE("Drawing frame %d (loop %d)\n", infoPtr->currFrame, infoPtr->nLoop);
 348
 349     mmioSeek(infoPtr->hMMio, infoPtr->lpIndex[infoPtr->currFrame], SEEK_SET);
 350     mmioRead(infoPtr->hMMio, infoPtr->indata, infoPtr->ash.dwSuggestedBufferSize);
 351
 352     if (infoPtr->hic &&
 353         fnIC.fnICDecompress(infoPtr->hic, 0, infoPtr->inbih, infoPtr->indata,
 354                      infoPtr->outbih, infoPtr->outdata) != ICERR_OK) {
 355         WARN("Decompression error\n");
 356         return FALSE;
 357     }
 358
 359     if ((hDC = GetDC(infoPtr->hwndSelf)) != 0) {
 360         ANIMATE_PaintFrame(infoPtr, hDC);
 361         ReleaseDC(infoPtr->hwndSelf, hDC);
 362     }
 363
 364     if (infoPtr->currFrame++ >= infoPtr->nToFrame) {
 365         infoPtr->currFrame = infoPtr->nFromFrame;
 366         if (infoPtr->nLoop != -1) {
 367             if (--infoPtr->nLoop == 0) {
 368                 ANIMATE_DoStop(infoPtr);
 369             }
 370         }
 371     }
 372
 373     return TRUE;
 374 }
 375
 376 static LRESULT ANIMATE_Timer(ANIMATE_INFO *infoPtr)
 377 {
 378    /* FIXME: we should pass the hDC instead of 0 to WM_CTLCOLORSTATIC */
 379    if (infoPtr->dwStyle & ACS_TRANSPARENT)
 380         infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
 381                                                  WM_CTLCOLORSTATIC,
 382                                                  0, (LPARAM)infoPtr->hwndSelf);
 383     EnterCriticalSection(&infoPtr->cs);
 384     ANIMATE_DrawFrame(infoPtr);
 385     LeaveCriticalSection(&infoPtr->cs);
 386
 387     return 0;
 388 }
 389
 390 static DWORD CALLBACK ANIMATE_AnimationThread(LPVOID ptr_)
 391 {
 392     ANIMATE_INFO *infoPtr = (ANIMATE_INFO *)ptr_;
 393     HANDLE event;
 394     DWORD timeout;
 395
 396     RENAME_CURRENT_THREAD("comctl32 animation thread");
 397
 398     while(1)
 399     {
 400         EnterCriticalSection(&infoPtr->cs);
 401         ANIMATE_DrawFrame(infoPtr);
 402         timeout = infoPtr->mah.dwMicroSecPerFrame;
 403         event = infoPtr->hStopEvent;
 404         LeaveCriticalSection(&infoPtr->cs);
 405
 406         /* time is in microseconds, we should convert it to milliseconds */
 407         if ((event == 0) || WaitForSingleObject( event, (timeout+500)/1000) == WAIT_OBJECT_0)
 408             break;
 409     }
 410     return TRUE;
 411 }
 412
 413 static LRESULT ANIMATE_Play(ANIMATE_INFO *infoPtr, UINT cRepeat, WORD wFrom, WORD wTo)
 414 {
 415     /* nothing opened */
 416     if (!infoPtr->hMMio)
 417         return FALSE;
 418
 419     if (infoPtr->hThread || infoPtr->uTimer) {
 420         TRACE("Already playing\n");
 421         return TRUE;
 422     }
 423
 424     infoPtr->nFromFrame = wFrom;
 425     infoPtr->nToFrame   = wTo;
 426     infoPtr->nLoop      = cRepeat;
 427
 428     if (infoPtr->nToFrame == 0xFFFF)
 429         infoPtr->nToFrame = infoPtr->mah.dwTotalFrames - 1;
 430
 431     TRACE("(repeat=%d from=%d to=%d);\n",
 432           infoPtr->nLoop, infoPtr->nFromFrame, infoPtr->nToFrame);
 433
 434     if (infoPtr->nFromFrame >= infoPtr->nToFrame ||
 435         infoPtr->nToFrame >= infoPtr->mah.dwTotalFrames)
 436         return FALSE;
 437
 438     infoPtr->currFrame = infoPtr->nFromFrame;
 439
 440     if (infoPtr->dwStyle & ACS_TIMER)
 441     {
 442         TRACE("Using a timer\n");
 443         /* create a timer to display AVI */
 444         infoPtr->uTimer = SetTimer(infoPtr->hwndSelf, 1,
 445                                    infoPtr->mah.dwMicroSecPerFrame / 1000, NULL);
 446     }
 447     else
 448     {
 449         if(infoPtr->dwStyle & ACS_TRANSPARENT)
 450             infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
 451                                                      WM_CTLCOLORSTATIC, 0,
 452                                                      (LPARAM)infoPtr->hwndSelf);
 453
 454         TRACE("Using an animation thread\n");
 455         infoPtr->hStopEvent = CreateEventW( NULL, TRUE, FALSE, NULL );
 456         infoPtr->hThread = CreateThread(0, 0, ANIMATE_AnimationThread,
 457                                         (LPVOID)infoPtr, 0, &infoPtr->threadId);
 458         if(!infoPtr->hThread) return FALSE;
 459
 460     }
 461
 462     ANIMATE_Notify(infoPtr, ACN_START);
 463
 464     return TRUE;
 465 }
 466
 467
 468 static BOOL ANIMATE_GetAviInfo(ANIMATE_INFO *infoPtr)
 469 {
 470     MMCKINFO            ckMainRIFF;
 471     MMCKINFO            mmckHead;
 472     MMCKINFO            mmckList;
 473     MMCKINFO            mmckInfo;
 474     DWORD               numFrame;
 475     DWORD               insize;
 476
 477     if (mmioDescend(infoPtr->hMMio, &ckMainRIFF, NULL, 0) != 0) {
 478         WARN("Can't find 'RIFF' chunk\n");
 479         return FALSE;
 480     }
 481
 482     if ((ckMainRIFF.ckid != FOURCC_RIFF) ||
 483         (ckMainRIFF.fccType != mmioFOURCC('A', 'V', 'I', ' '))) {
 484         WARN("Can't find 'AVI ' chunk\n");
 485         return FALSE;
 486     }
 487
 488     mmckHead.fccType = mmioFOURCC('h', 'd', 'r', 'l');
 489     if (mmioDescend(infoPtr->hMMio, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 490         WARN("Can't find 'hdrl' list\n");
 491         return FALSE;
 492     }
 493
 494     mmckInfo.ckid = mmioFOURCC('a', 'v', 'i', 'h');
 495     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
 496         WARN("Can't find 'avih' chunk\n");
 497         return FALSE;
 498     }
 499
 500     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->mah, sizeof(infoPtr->mah));
 501
 502     TRACE("mah.dwMicroSecPerFrame=%d\n",        infoPtr->mah.dwMicroSecPerFrame);
 503     TRACE("mah.dwMaxBytesPerSec=%d\n",          infoPtr->mah.dwMaxBytesPerSec);
 504     TRACE("mah.dwPaddingGranularity=%d\n",      infoPtr->mah.dwPaddingGranularity);
 505     TRACE("mah.dwFlags=%d\n",                   infoPtr->mah.dwFlags);
 506     TRACE("mah.dwTotalFrames=%d\n",             infoPtr->mah.dwTotalFrames);
 507     TRACE("mah.dwInitialFrames=%d\n",           infoPtr->mah.dwInitialFrames);
 508     TRACE("mah.dwStreams=%d\n",                 infoPtr->mah.dwStreams);
 509     TRACE("mah.dwSuggestedBufferSize=%d\n",     infoPtr->mah.dwSuggestedBufferSize);
 510     TRACE("mah.dwWidth=%d\n",                   infoPtr->mah.dwWidth);
 511     TRACE("mah.dwHeight=%d\n",                  infoPtr->mah.dwHeight);
 512
 513     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 514
 515     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 516     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) != 0) {
 517         WARN("Can't find 'strl' list\n");
 518         return FALSE;
 519     }
 520
 521     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'h');
 522     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 523         WARN("Can't find 'strh' chunk\n");
 524         return FALSE;
 525     }
 526
 527     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->ash, sizeof(infoPtr->ash));
 528
 529     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(infoPtr->ash.fccType)),
 530                                                 HIBYTE(LOWORD(infoPtr->ash.fccType)),
 531                                                 LOBYTE(HIWORD(infoPtr->ash.fccType)),
 532                                                 HIBYTE(HIWORD(infoPtr->ash.fccType)));
 533     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(infoPtr->ash.fccHandler)),
 534                                                 HIBYTE(LOWORD(infoPtr->ash.fccHandler)),
 535                                                 LOBYTE(HIWORD(infoPtr->ash.fccHandler)),
 536                                                 HIBYTE(HIWORD(infoPtr->ash.fccHandler)));
 537     TRACE("ash.dwFlags=%d\n",                   infoPtr->ash.dwFlags);
 538     TRACE("ash.wPriority=%d\n",                 infoPtr->ash.wPriority);
 539     TRACE("ash.wLanguage=%d\n",                 infoPtr->ash.wLanguage);
 540     TRACE("ash.dwInitialFrames=%d\n",           infoPtr->ash.dwInitialFrames);
 541     TRACE("ash.dwScale=%d\n",                   infoPtr->ash.dwScale);
 542     TRACE("ash.dwRate=%d\n",                    infoPtr->ash.dwRate);
 543     TRACE("ash.dwStart=%d\n",                   infoPtr->ash.dwStart);
 544     TRACE("ash.dwLength=%d\n",                  infoPtr->ash.dwLength);
 545     TRACE("ash.dwSuggestedBufferSize=%d\n",     infoPtr->ash.dwSuggestedBufferSize);
 546     TRACE("ash.dwQuality=%d\n",                 infoPtr->ash.dwQuality);
 547     TRACE("ash.dwSampleSize=%d\n",              infoPtr->ash.dwSampleSize);
 548     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        infoPtr->ash.rcFrame.top, infoPtr->ash.rcFrame.left,
 549           infoPtr->ash.rcFrame.bottom, infoPtr->ash.rcFrame.right);
 550
 551     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 552
 553     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'f');
 554     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 555         WARN("Can't find 'strh' chunk\n");
 556         return FALSE;
 557     }
 558
 559     infoPtr->inbih = Alloc(mmckInfo.cksize);
 560     if (!infoPtr->inbih) {
 561         WARN("Can't alloc input BIH\n");
 562         return FALSE;
 563     }
 564
 565     mmioRead(infoPtr->hMMio, (LPSTR)infoPtr->inbih, mmckInfo.cksize);
 566
 567     TRACE("bih.biSize=%d\n",            infoPtr->inbih->biSize);
 568     TRACE("bih.biWidth=%d\n",           infoPtr->inbih->biWidth);
 569     TRACE("bih.biHeight=%d\n",          infoPtr->inbih->biHeight);
 570     TRACE("bih.biPlanes=%d\n",          infoPtr->inbih->biPlanes);
 571     TRACE("bih.biBitCount=%d\n",        infoPtr->inbih->biBitCount);
 572     TRACE("bih.biCompression=%d\n",     infoPtr->inbih->biCompression);
 573     TRACE("bih.biSizeImage=%d\n",       infoPtr->inbih->biSizeImage);
 574     TRACE("bih.biXPelsPerMeter=%d\n",   infoPtr->inbih->biXPelsPerMeter);
 575     TRACE("bih.biYPelsPerMeter=%d\n",   infoPtr->inbih->biYPelsPerMeter);
 576     TRACE("bih.biClrUsed=%d\n",         infoPtr->inbih->biClrUsed);
 577     TRACE("bih.biClrImportant=%d\n",    infoPtr->inbih->biClrImportant);
 578
 579     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 580
 581     mmioAscend(infoPtr->hMMio, &mmckList, 0);
 582
 583 #if 0
 584     /* an AVI has 0 or 1 video stream, and to be animated should not contain
 585      * an audio stream, so only one strl is allowed
 586      */
 587     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 588     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) == 0) {
 589         WARN("There should be a single 'strl' list\n");
 590         return FALSE;
 591     }
 592 #endif
 593
 594     mmioAscend(infoPtr->hMMio, &mmckHead, 0);
 595
 596     /* no need to read optional JUNK chunk */
 597
 598     mmckList.fccType = mmioFOURCC('m', 'o', 'v', 'i');
 599     if (mmioDescend(infoPtr->hMMio, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 600         WARN("Can't find 'movi' list\n");
 601         return FALSE;
 602     }
 603
 604     /* FIXME: should handle the 'rec ' LIST when present */
 605
 606     infoPtr->lpIndex = Alloc(infoPtr->mah.dwTotalFrames * sizeof(DWORD));
 607     if (!infoPtr->lpIndex)
 608         return FALSE;
 609
 610     numFrame = insize = 0;
 611     while (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, 0) == 0 &&
 612            numFrame < infoPtr->mah.dwTotalFrames) {
 613         infoPtr->lpIndex[numFrame] = mmckInfo.dwDataOffset;
 614         if (insize < mmckInfo.cksize)
 615             insize = mmckInfo.cksize;
 616         numFrame++;
 617         mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 618     }
 619     if (numFrame != infoPtr->mah.dwTotalFrames) {
 620         WARN("Found %d frames (/%d)\n", numFrame, infoPtr->mah.dwTotalFrames);
 621         return FALSE;
 622     }
 623     if (insize > infoPtr->ash.dwSuggestedBufferSize) {
 624         WARN("insize=%d suggestedSize=%d\n", insize, infoPtr->ash.dwSuggestedBufferSize);
 625         infoPtr->ash.dwSuggestedBufferSize = insize;
 626     }
 627
 628     infoPtr->indata = Alloc(infoPtr->ash.dwSuggestedBufferSize);
 629     if (!infoPtr->indata)
 630         return FALSE;
 631
 632     return TRUE;
 633 }
 634
 635
 636 static BOOL ANIMATE_GetAviCodec(ANIMATE_INFO *infoPtr)
 637 {
 638     DWORD       outSize;
 639
 640     /* check uncompressed AVI */
 641     if ((infoPtr->ash.fccHandler == mmioFOURCC('D', 'I', 'B', ' ')) ||
 642        (infoPtr->ash.fccHandler == mmioFOURCC('R', 'L', 'E', ' ')) ||
 643        (infoPtr->ash.fccHandler == mmioFOURCC(0, 0, 0, 0)))
 644     {
 645         infoPtr->hic = 0;
 646         return TRUE;
 647     }
 648
 649     /* try to get a decompressor for that type */
 650     infoPtr->hic = fnIC.fnICOpen(ICTYPE_VIDEO, infoPtr->ash.fccHandler, ICMODE_DECOMPRESS);
 651     if (!infoPtr->hic) {
 652         WARN("Can't load codec for the file\n");
 653         return FALSE;
 654     }
 655
 656     outSize = fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 657                             (DWORD_PTR)infoPtr->inbih, 0L);
 658
 659     infoPtr->outbih = Alloc(outSize);
 660     if (!infoPtr->outbih)
 661         return FALSE;
 662
 663     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 664                       (DWORD_PTR)infoPtr->inbih, (DWORD_PTR)infoPtr->outbih) != ICERR_OK)
 665     {
 666         WARN("Can't get output BIH\n");
 667         return FALSE;
 668     }
 669
 670     infoPtr->outdata = Alloc(infoPtr->outbih->biSizeImage);
 671     if (!infoPtr->outdata)
 672         return FALSE;
 673
 674     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_BEGIN,
 675                       (DWORD_PTR)infoPtr->inbih, (DWORD_PTR)infoPtr->outbih) != ICERR_OK) {
 676         WARN("Can't begin decompression\n");
 677         return FALSE;
 678     }
 679
 680     return TRUE;
 681 }
 682
 683
 684 static BOOL ANIMATE_OpenW(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPWSTR lpszName)
 685 {
 686     ANIMATE_Free(infoPtr);
 687
 688     if (!lpszName)
 689     {
 690         TRACE("Closing avi!\n");
 691         /* installer of thebat! v1.62 requires FALSE here */
 692         return (infoPtr->hMMio != 0);
 693     }
 694
 695     if (!hInstance)
 696         hInstance = (HINSTANCE)GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_HINSTANCE);
 697
 698     TRACE("(%s)\n", debugstr_w(lpszName));
 699
 700     if (HIWORD(lpszName))
 701     {
 702         if (!ANIMATE_LoadResW(infoPtr, hInstance, lpszName))
 703         {
 704             TRACE("No AVI resource found!\n");
 705             if (!ANIMATE_LoadFileW(infoPtr, lpszName))
 706             {
 707                 WARN("No AVI file found!\n");
 708                 return FALSE;
 709             }
 710         }
 711     }
 712     else
 713     {
 714         if (!ANIMATE_LoadResW(infoPtr, hInstance, lpszName))
 715         {
 716             WARN("No AVI resource found!\n");
 717             return FALSE;
 718         }
 719     }
 720
 721     if (!ANIMATE_GetAviInfo(infoPtr))
 722     {
 723         WARN("Can't get AVI information\n");
 724         ANIMATE_Free(infoPtr);
 725         return FALSE;
 726     }
 727
 728     if (!ANIMATE_GetAviCodec(infoPtr))
 729     {
 730         WARN("Can't get AVI Codec\n");
 731         ANIMATE_Free(infoPtr);
 732         return FALSE;
 733     }
 734
 735     if (!(infoPtr->dwStyle & ACS_CENTER))
 736         SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, infoPtr->mah.dwWidth, infoPtr->mah.dwHeight,
 737                      SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
 738
 739     if (infoPtr->dwStyle & ACS_AUTOPLAY)
 740         return ANIMATE_Play(infoPtr, -1, 0, infoPtr->mah.dwTotalFrames - 1);
 741
 742     return TRUE;
 743 }
 744
 745
 746 static BOOL ANIMATE_OpenA(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPSTR lpszName)
 747 {
 748     LPWSTR lpwszName;
 749     LRESULT result;
 750     INT len;
 751
 752     if (!HIWORD(lpszName))
 753         return ANIMATE_OpenW(infoPtr, hInstance, (LPWSTR)lpszName);
 754
 755     len = MultiByteToWideChar(CP_ACP, 0, lpszName, -1, NULL, 0);
 756     lpwszName = Alloc(len * sizeof(WCHAR));
 757     if (!lpwszName) return FALSE;
 758     MultiByteToWideChar(CP_ACP, 0, lpszName, -1, lpwszName, len);
 759
 760     result = ANIMATE_OpenW(infoPtr, hInstance, lpwszName);
 761     Free (lpwszName);
 762     return result;
 763 }
 764
 765
 766 static BOOL ANIMATE_Stop(ANIMATE_INFO *infoPtr)
 767 {
 768     /* nothing opened */
 769     if (!infoPtr->hMMio)
 770         return FALSE;
 771
 772     ANIMATE_DoStop(infoPtr);
 773     return TRUE;
 774 }
 775
 776
 777 static BOOL ANIMATE_Create(HWND hWnd, const CREATESTRUCTW *lpcs)
 778 {
 779     static const WCHAR msvfw32W[] = { 'm', 's', 'v', 'f', 'w', '3', '2', '.', 'd', 'l', 'l', 0 };
 780     ANIMATE_INFO *infoPtr;
 781
 782     if (!fnIC.hModule)
 783     {
 784         fnIC.hModule = LoadLibraryW(msvfw32W);
 785         if (!fnIC.hModule) return FALSE;
 786
 787         fnIC.fnICOpen        = (void*)GetProcAddress(fnIC.hModule, "ICOpen");
 788         fnIC.fnICClose       = (void*)GetProcAddress(fnIC.hModule, "ICClose");
 789         fnIC.fnICSendMessage = (void*)GetProcAddress(fnIC.hModule, "ICSendMessage");
 790         fnIC.fnICDecompress  = (void*)GetProcAddress(fnIC.hModule, "ICDecompress");
 791     }
 792
 793     /* allocate memory for info structure */
 794     infoPtr = (ANIMATE_INFO *)Alloc(sizeof(ANIMATE_INFO));
 795     if (!infoPtr) return FALSE;
 796
 797     /* store crossref hWnd <-> info structure */
 798     SetWindowLongPtrW(hWnd, 0, (DWORD_PTR)infoPtr);
 799     infoPtr->hwndSelf = hWnd;
 800     infoPtr->hwndNotify = lpcs->hwndParent;
 801     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 802     infoPtr->hbmPrevFrame = 0;
 803     infoPtr->dwStyle = lpcs->style;
 804
 805     TRACE("Animate style=0x%08x, parent=%p\n", infoPtr->dwStyle, infoPtr->hwndNotify);
 806
 807     InitializeCriticalSection(&infoPtr->cs);
 808     infoPtr->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ANIMATE_INFO*->cs");
 809
 810     return TRUE;
 811 }
 812
 813
 814 static LRESULT ANIMATE_Destroy(ANIMATE_INFO *infoPtr)
 815 {
 816     /* free avi data */
 817     ANIMATE_Free(infoPtr);
 818
 819     /* free animate info data */
 820     SetWindowLongPtrW(infoPtr->hwndSelf, 0, 0);
 821
 822     infoPtr->cs.DebugInfo->Spare[0] = 0;
 823     DeleteCriticalSection(&infoPtr->cs);
 824     Free(infoPtr);
 825
 826     return 0;
 827 }
 828
 829
 830 static BOOL ANIMATE_EraseBackground(ANIMATE_INFO const *infoPtr, HDC hdc)
 831 {
 832     RECT rect;
 833     HBRUSH hBrush = 0;
 834
 835     if(infoPtr->dwStyle & ACS_TRANSPARENT)
 836     {
 837         hBrush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLORSTATIC,
 838                                       (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
 839     }
 840
 841     GetClientRect(infoPtr->hwndSelf, &rect);
 842     FillRect(hdc, &rect, hBrush ? hBrush : GetCurrentObject(hdc, OBJ_BRUSH));
 843
 844     return TRUE;
 845 }
 846
 847
 848 static LRESULT ANIMATE_StyleChanged(ANIMATE_INFO *infoPtr, WPARAM wStyleType, const STYLESTRUCT *lpss)
 849 {
 850     TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
 851           wStyleType, lpss->styleOld, lpss->styleNew);
 852
 853     if (wStyleType != GWL_STYLE) return 0;
 854
 855     infoPtr->dwStyle = lpss->styleNew;
 856
 857     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 858     return 0;
 859 }
 860
 861
 862 static LRESULT WINAPI ANIMATE_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 863 {
 864     ANIMATE_INFO *infoPtr = (ANIMATE_INFO *)GetWindowLongPtrW(hWnd, 0);
 865
 866     TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n", hWnd, uMsg, wParam, lParam);
 867     if (!infoPtr && (uMsg != WM_NCCREATE))
 868         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 869     switch (uMsg)
 870     {
 871     case ACM_OPENA:
 872         return ANIMATE_OpenA(infoPtr, (HINSTANCE)wParam, (LPSTR)lParam);
 873
 874     case ACM_OPENW:
 875         return ANIMATE_OpenW(infoPtr, (HINSTANCE)wParam, (LPWSTR)lParam);
 876
 877     case ACM_PLAY:
 878         return ANIMATE_Play(infoPtr, (INT)wParam, LOWORD(lParam), HIWORD(lParam));
 879
 880     case ACM_STOP:
 881         return ANIMATE_Stop(infoPtr);
 882
 883     case WM_CLOSE:
 884         ANIMATE_Free(infoPtr);
 885         return 0;
 886
 887     case WM_NCCREATE:
 888         return ANIMATE_Create(hWnd, (LPCREATESTRUCTW)lParam);
 889
 890     case WM_NCHITTEST:
 891         return HTTRANSPARENT;
 892
 893     case WM_DESTROY:
 894         return ANIMATE_Destroy(infoPtr);
 895
 896     case WM_ERASEBKGND:
 897         return ANIMATE_EraseBackground(infoPtr, (HDC)wParam);
 898
 899     case WM_STYLECHANGED:
 900         return ANIMATE_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
 901
 902     case WM_TIMER:
 903         return ANIMATE_Timer(infoPtr);
 904
 905     case WM_PRINTCLIENT:
 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=%08lx 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 }