dlls/comctl32/animate.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2 /*
   3  * Animation control
   4  *
   5  * Copyright 1998, 1999 Eric Kohl
   6  *                 1999 Eric Pouech
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  *
  22  * NOTES
  23  *   I will only improve this control once in a while.
  24  *     Eric <ekohl@abo.rhein-zeitung.de>
  25  *
  26  * TODO:
  27  *   - check for the 'rec ' list in some AVI files
  28  *   - concurrent access to infoPtr
  29  */
  30
  31 #include <string.h>
  32 #include "winbase.h"
  33 #include "commctrl.h"
  34 #include "vfw.h"
  35 #include "mmsystem.h"
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(animate);
  39
  40 static struct {
  41     HMODULE     hModule;
  42     HIC         (WINAPI *fnICOpen)(DWORD, DWORD, UINT);
  43     LRESULT     (WINAPI *fnICClose)(HIC);
  44     LRESULT     (WINAPI *fnICSendMessage)(HIC, UINT, DWORD, DWORD);
  45     DWORD       (WINAPIV *fnICDecompress)(HIC,DWORD,LPBITMAPINFOHEADER,LPVOID,LPBITMAPINFOHEADER,LPVOID);
  46 } fnIC;
  47
  48 typedef struct
  49 {
  50    /* reference to input stream (file or resource) */
  51    HGLOBAL              hRes;
  52    HMMIO                hMMio;  /* handle to mmio stream */
  53    HWND                 hWnd;
  54    /* information on the loaded AVI file */
  55    MainAVIHeader        mah;
  56    AVIStreamHeader      ash;
  57    LPBITMAPINFOHEADER   inbih;
  58    LPDWORD              lpIndex;
  59    /* data for the decompressor */
  60    HIC                  hic;
  61    LPBITMAPINFOHEADER   outbih;
  62    LPVOID               indata;
  63    LPVOID               outdata;
  64    /* data for the background mechanism */
  65    CRITICAL_SECTION     cs;
  66    HANDLE               hThread;
  67    UINT                 uTimer;
  68    /* data for playing the file */
  69    int                  nFromFrame;
  70    int                  nToFrame;
  71    int                  nLoop;
  72    int                  currFrame;
  73    /* tranparency info*/
  74    COLORREF             transparentColor;
  75    HBRUSH               hbrushBG;
  76    HBITMAP              hbmPrevFrame;
  77 } ANIMATE_INFO;
  78
  79 #define ANIMATE_GetInfoPtr(hWnd) ((ANIMATE_INFO *)GetWindowLongA(hWnd, 0))
  80 #define ANIMATE_COLOR_NONE      0xffffffff
  81
  82 static void ANIMATE_Notify(ANIMATE_INFO* infoPtr, UINT notif)
  83 {
  84     SendMessageA(GetParent(infoPtr->hWnd), WM_COMMAND,
  85                  MAKEWPARAM(GetDlgCtrlID(infoPtr->hWnd), notif),
  86                  (LPARAM)infoPtr->hWnd);
  87 }
  88
  89 static BOOL ANIMATE_LoadResA(ANIMATE_INFO *infoPtr, HINSTANCE hInst, LPSTR lpName)
  90 {
  91     HRSRC       hrsrc;
  92     MMIOINFO    mminfo;
  93     LPVOID      lpAvi;
  94
  95     hrsrc = FindResourceA(hInst, lpName, "AVI");
  96     if (!hrsrc)
  97         return FALSE;
  98
  99     infoPtr->hRes = LoadResource(hInst, hrsrc);
 100     if (!infoPtr->hRes)
 101         return FALSE;
 102
 103     lpAvi = LockResource(infoPtr->hRes);
 104     if (!lpAvi)
 105         return FALSE;
 106
 107     memset(&mminfo, 0, sizeof(mminfo));
 108     mminfo.fccIOProc = FOURCC_MEM;
 109     mminfo.pchBuffer = (LPSTR)lpAvi;
 110     mminfo.cchBuffer = SizeofResource(hInst, hrsrc);
 111     infoPtr->hMMio = mmioOpenA(NULL, &mminfo, MMIO_READ);
 112     if (!infoPtr->hMMio) {
 113         GlobalFree((HGLOBAL)lpAvi);
 114         return FALSE;
 115     }
 116
 117     return TRUE;
 118 }
 119
 120
 121 static BOOL ANIMATE_LoadFileA(ANIMATE_INFO *infoPtr, LPSTR lpName)
 122 {
 123     infoPtr->hMMio = mmioOpenA((LPSTR)lpName, NULL,
 124                                MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
 125
 126     if (!infoPtr->hMMio)
 127         return FALSE;
 128
 129     return TRUE;
 130 }
 131
 132
 133 static LRESULT ANIMATE_DoStop(ANIMATE_INFO *infoPtr)
 134 {
 135     EnterCriticalSection(&infoPtr->cs);
 136
 137     /* should stop playing */
 138     if (infoPtr->hThread)
 139     {
 140         if (!TerminateThread(infoPtr->hThread,0))
 141             WARN("could not destroy animation thread!\n");
 142             infoPtr->hThread = 0;
 143     }
 144     if (infoPtr->uTimer) {
 145         KillTimer(infoPtr->hWnd, infoPtr->uTimer);
 146         infoPtr->uTimer = 0;
 147     }
 148
 149     LeaveCriticalSection(&infoPtr->cs);
 150
 151     ANIMATE_Notify(infoPtr, ACN_STOP);
 152
 153     return TRUE;
 154 }
 155
 156
 157 static void ANIMATE_Free(ANIMATE_INFO *infoPtr)
 158 {
 159     if (infoPtr->hMMio) {
 160         ANIMATE_DoStop(infoPtr);
 161         mmioClose(infoPtr->hMMio, 0);
 162         if (infoPtr->hRes) {
 163             FreeResource(infoPtr->hRes);
 164             infoPtr->hRes = 0;
 165         }
 166         if (infoPtr->lpIndex) {
 167             HeapFree(GetProcessHeap(), 0, infoPtr->lpIndex);
 168             infoPtr->lpIndex = NULL;
 169         }
 170         if (infoPtr->hic) {
 171             fnIC.fnICClose(infoPtr->hic);
 172             infoPtr->hic = 0;
 173         }
 174         if (infoPtr->inbih) {
 175             HeapFree(GetProcessHeap(), 0, infoPtr->inbih);
 176             infoPtr->inbih = NULL;
 177         }
 178         if (infoPtr->outbih) {
 179             HeapFree(GetProcessHeap(), 0, infoPtr->outbih);
 180             infoPtr->outbih = NULL;
 181         }
 182         if( infoPtr->indata )
 183         {
 184         HeapFree(GetProcessHeap(), 0, infoPtr->indata);
 185             infoPtr->indata = NULL;
 186         }
 187         if( infoPtr->outdata )
 188         {
 189         HeapFree(GetProcessHeap(), 0, infoPtr->outdata);
 190             infoPtr->outdata = NULL;
 191         }
 192         if( infoPtr->hbmPrevFrame )
 193         {
 194             DeleteObject(infoPtr->hbmPrevFrame);
 195             infoPtr->hbmPrevFrame = 0;
 196         }
 197         infoPtr->indata = infoPtr->outdata = NULL;
 198         infoPtr->hWnd = 0;
 199         infoPtr->hMMio = 0;
 200
 201         memset(&infoPtr->mah, 0, sizeof(infoPtr->mah));
 202         memset(&infoPtr->ash, 0, sizeof(infoPtr->ash));
 203         infoPtr->nFromFrame = infoPtr->nToFrame = infoPtr->nLoop = infoPtr->currFrame = 0;
 204     }
 205     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 206 }
 207
 208 static void ANIMATE_TransparentBlt(ANIMATE_INFO* infoPtr, HDC hdcDest, HDC hdcSource)
 209 {
 210     HDC hdcMask;
 211     HBITMAP hbmMask;
 212     HBITMAP hbmOld;
 213
 214     /* create a transparency mask */
 215     hdcMask = CreateCompatibleDC(hdcDest);
 216     hbmMask = CreateBitmap(infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, 1,1,NULL);
 217     hbmOld = SelectObject(hdcMask, hbmMask);
 218
 219     SetBkColor(hdcSource,infoPtr->transparentColor);
 220     BitBlt(hdcMask,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCCOPY);
 221
 222     /* mask the source bitmap */
 223     SetBkColor(hdcSource, RGB(0,0,0));
 224     SetTextColor(hdcSource, RGB(255,255,255));
 225     BitBlt(hdcSource, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 226
 227     /* mask the destination bitmap */
 228     SetBkColor(hdcDest, RGB(255,255,255));
 229     SetTextColor(hdcDest, RGB(0,0,0));
 230     BitBlt(hdcDest, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 231
 232     /* combine source and destination */
 233     BitBlt(hdcDest,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCPAINT);
 234
 235     SelectObject(hdcMask, hbmOld);
 236     DeleteObject(hbmMask);
 237     DeleteDC(hdcMask);
 238 }
 239
 240 static LRESULT ANIMATE_PaintFrame(ANIMATE_INFO* infoPtr, HDC hDC)
 241 {
 242     void* pBitmapData = NULL;
 243     LPBITMAPINFO pBitmapInfo = NULL;
 244
 245     HDC hdcMem;
 246     HBITMAP hbmOld;
 247
 248     int nOffsetX = 0;
 249     int nOffsetY = 0;
 250
 251     int nWidth;
 252     int nHeight;
 253
 254     if (!hDC || !infoPtr->inbih)
 255         return TRUE;
 256
 257     if (infoPtr->hic )
 258     {
 259         pBitmapData = infoPtr->outdata;
 260         pBitmapInfo = (LPBITMAPINFO)infoPtr->outbih;
 261
 262         nWidth = infoPtr->outbih->biWidth;
 263         nHeight = infoPtr->outbih->biHeight;
 264     } else
 265     {
 266         pBitmapData = infoPtr->indata;
 267         pBitmapInfo = (LPBITMAPINFO)infoPtr->inbih;
 268
 269         nWidth = infoPtr->inbih->biWidth;
 270         nHeight = infoPtr->inbih->biHeight;
 271     }
 272
 273     if(!infoPtr->hbmPrevFrame)
 274     {
 275         infoPtr->hbmPrevFrame=CreateCompatibleBitmap(hDC, nWidth,nHeight );
 276     }
 277
 278     SetDIBits(hDC, infoPtr->hbmPrevFrame, 0, nHeight, pBitmapData, (LPBITMAPINFO)pBitmapInfo, DIB_RGB_COLORS);
 279
 280     hdcMem = CreateCompatibleDC(hDC);
 281     hbmOld = SelectObject(hdcMem, infoPtr->hbmPrevFrame);
 282
 283     /*
 284      * we need to get the transparent color even without ACS_TRANSPARENT,
 285      * because the style can be changed later on and the color should always
 286      * be obtained in the first frame
 287      */
 288     if(infoPtr->transparentColor == ANIMATE_COLOR_NONE)
 289     {
 290         infoPtr->transparentColor = GetPixel(hdcMem,0,0);
 291     }
 292
 293     if(GetWindowLongA(infoPtr->hWnd, GWL_STYLE) & ACS_TRANSPARENT)
 294     {
 295         HDC hdcFinal = CreateCompatibleDC(hDC);
 296         HBITMAP hbmFinal = CreateCompatibleBitmap(hDC,nWidth, nHeight);
 297         HBITMAP hbmOld2 = SelectObject(hdcFinal, hbmFinal);
 298         RECT rect;
 299
 300         rect.left = 0;
 301         rect.top = 0;
 302         rect.right = nWidth;
 303         rect.bottom = nHeight;
 304
 305         if(!infoPtr->hbrushBG)
 306             infoPtr->hbrushBG = GetCurrentObject(hDC, OBJ_BRUSH);
 307
 308         FillRect(hdcFinal, &rect, infoPtr->hbrushBG);
 309         ANIMATE_TransparentBlt(infoPtr, hdcFinal, hdcMem);
 310
 311         SelectObject(hdcFinal, hbmOld2);
 312         SelectObject(hdcMem, hbmFinal);
 313         DeleteDC(hdcFinal);
 314         DeleteObject(infoPtr->hbmPrevFrame);
 315         infoPtr->hbmPrevFrame = hbmFinal;
 316          }
 317
 318     if (GetWindowLongA(infoPtr->hWnd, GWL_STYLE) & ACS_CENTER)
 319     {
 320        RECT rect;
 321
 322        GetWindowRect(infoPtr->hWnd, &rect);
 323        nOffsetX = ((rect.right - rect.left) - nWidth)/2;
 324        nOffsetY = ((rect.bottom - rect.top) - nHeight)/2;
 325     }
 326     BitBlt(hDC, nOffsetX, nOffsetY, nWidth, nHeight, hdcMem, 0, 0, SRCCOPY);
 327
 328     SelectObject(hdcMem, hbmOld);
 329     DeleteDC(hdcMem);
 330     return TRUE;
 331 }
 332
 333 static LRESULT ANIMATE_DrawFrame(ANIMATE_INFO* infoPtr)
 334 {
 335     HDC         hDC;
 336
 337     TRACE("Drawing frame %d (loop %d)\n", infoPtr->currFrame, infoPtr->nLoop);
 338
 339     EnterCriticalSection(&infoPtr->cs);
 340
 341     mmioSeek(infoPtr->hMMio, infoPtr->lpIndex[infoPtr->currFrame], SEEK_SET);
 342     mmioRead(infoPtr->hMMio, infoPtr->indata, infoPtr->ash.dwSuggestedBufferSize);
 343
 344     if (infoPtr->hic &&
 345         fnIC.fnICDecompress(infoPtr->hic, 0, infoPtr->inbih, infoPtr->indata,
 346                      infoPtr->outbih, infoPtr->outdata) != ICERR_OK) {
 347         LeaveCriticalSection(&infoPtr->cs);
 348         WARN("Decompression error\n");
 349         return FALSE;
 350     }
 351
 352     if ((hDC = GetDC(infoPtr->hWnd)) != 0) {
 353         ANIMATE_PaintFrame(infoPtr, hDC);
 354         ReleaseDC(infoPtr->hWnd, hDC);
 355     }
 356
 357     if (infoPtr->currFrame++ >= infoPtr->nToFrame) {
 358         infoPtr->currFrame = infoPtr->nFromFrame;
 359         if (infoPtr->nLoop != -1) {
 360             if (--infoPtr->nLoop == 0) {
 361                 ANIMATE_DoStop(infoPtr);
 362             }
 363         }
 364     }
 365     LeaveCriticalSection(&infoPtr->cs);
 366
 367     return TRUE;
 368 }
 369
 370 static DWORD CALLBACK ANIMATE_AnimationThread(LPVOID ptr_)
 371 {
 372     ANIMATE_INFO*       infoPtr = (ANIMATE_INFO*)ptr_;
 373     HDC hDC;
 374
 375     if(!infoPtr)
 376     {
 377         WARN("animation structure undefined!\n");
 378         return FALSE;
 379     }
 380
 381     while(1)
 382     {
 383         if(GetWindowLongA(infoPtr->hWnd, GWL_STYLE) & ACS_TRANSPARENT)
 384         {
 385             hDC = GetDC(infoPtr->hWnd);
 386             /* sometimes the animation window will be destroyed in between
 387              * by the main program, so a ReleaseDC() error msg is possible */
 388             infoPtr->hbrushBG = SendMessageA(GetParent(infoPtr->hWnd),
 389                                              WM_CTLCOLORSTATIC, hDC,
 390                                              (LPARAM)infoPtr->hWnd);
 391             ReleaseDC(infoPtr->hWnd,hDC);
 392         }
 393
 394         EnterCriticalSection(&infoPtr->cs);
 395         ANIMATE_DrawFrame(infoPtr);
 396         LeaveCriticalSection(&infoPtr->cs);
 397
 398         /* time is in microseconds, we should convert it to milliseconds */
 399         Sleep((infoPtr->mah.dwMicroSecPerFrame+500)/1000);
 400     }
 401     return TRUE;
 402 }
 403
 404 static LRESULT ANIMATE_Play(HWND hWnd, WPARAM wParam, LPARAM lParam)
 405 {
 406     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
 407
 408     /* nothing opened */
 409     if (!infoPtr->hMMio)
 410         return FALSE;
 411
 412     if (infoPtr->hThread || infoPtr->uTimer) {
 413         FIXME("Already playing ? what should I do ??\n");
 414         ANIMATE_DoStop(infoPtr);
 415     }
 416
 417     infoPtr->nFromFrame = (INT)LOWORD(lParam);
 418     infoPtr->nToFrame   = (INT)HIWORD(lParam);
 419     infoPtr->nLoop      = (INT)wParam;
 420
 421     if (infoPtr->nToFrame == 0xFFFF)
 422         infoPtr->nToFrame = infoPtr->mah.dwTotalFrames - 1;
 423
 424     TRACE("(repeat=%d from=%d to=%d);\n",
 425           infoPtr->nLoop, infoPtr->nFromFrame, infoPtr->nToFrame);
 426
 427     if (infoPtr->nFromFrame >= infoPtr->nToFrame ||
 428         infoPtr->nToFrame >= infoPtr->mah.dwTotalFrames)
 429         return FALSE;
 430
 431     infoPtr->currFrame = infoPtr->nFromFrame;
 432
 433     if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_TIMER) {
 434         TRACE("Using a timer\n");
 435         /* create a timer to display AVI */
 436         infoPtr->uTimer = SetTimer(hWnd, 1, infoPtr->mah.dwMicroSecPerFrame / 1000, NULL);
 437     } else {
 438         DWORD threadID;
 439
 440         TRACE("Using an animation thread\n");
 441         infoPtr->hThread = CreateThread(0,0,ANIMATE_AnimationThread,(LPVOID)infoPtr,0,0 &threadID);
 442         if(!infoPtr->hThread)
 443         {
 444            ERR("Could not create animation thread!\n");
 445            return FALSE;
 446     }
 447
 448     }
 449
 450     ANIMATE_Notify(infoPtr, ACN_START);
 451
 452     return TRUE;
 453 }
 454
 455
 456 static BOOL ANIMATE_GetAviInfo(ANIMATE_INFO *infoPtr)
 457 {
 458     MMCKINFO            ckMainRIFF;
 459     MMCKINFO            mmckHead;
 460     MMCKINFO            mmckList;
 461     MMCKINFO            mmckInfo;
 462     DWORD               numFrame;
 463     DWORD               insize;
 464
 465     if (mmioDescend(infoPtr->hMMio, &ckMainRIFF, NULL, 0) != 0) {
 466         WARN("Can't find 'RIFF' chunk\n");
 467         return FALSE;
 468     }
 469
 470     if ((ckMainRIFF.ckid != FOURCC_RIFF) ||
 471         (ckMainRIFF.fccType != mmioFOURCC('A', 'V', 'I', ' '))) {
 472         WARN("Can't find 'AVI ' chunk\n");
 473         return FALSE;
 474     }
 475
 476     mmckHead.fccType = mmioFOURCC('h', 'd', 'r', 'l');
 477     if (mmioDescend(infoPtr->hMMio, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 478         WARN("Can't find 'hdrl' list\n");
 479         return FALSE;
 480     }
 481
 482     mmckInfo.ckid = mmioFOURCC('a', 'v', 'i', 'h');
 483     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
 484         WARN("Can't find 'avih' chunk\n");
 485         return FALSE;
 486     }
 487
 488     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->mah, sizeof(infoPtr->mah));
 489
 490     TRACE("mah.dwMicroSecPerFrame=%ld\n",       infoPtr->mah.dwMicroSecPerFrame);
 491     TRACE("mah.dwMaxBytesPerSec=%ld\n",         infoPtr->mah.dwMaxBytesPerSec);
 492     TRACE("mah.dwPaddingGranularity=%ld\n",     infoPtr->mah.dwPaddingGranularity);
 493     TRACE("mah.dwFlags=%ld\n",                  infoPtr->mah.dwFlags);
 494     TRACE("mah.dwTotalFrames=%ld\n",            infoPtr->mah.dwTotalFrames);
 495     TRACE("mah.dwInitialFrames=%ld\n",          infoPtr->mah.dwInitialFrames);
 496     TRACE("mah.dwStreams=%ld\n",                infoPtr->mah.dwStreams);
 497     TRACE("mah.dwSuggestedBufferSize=%ld\n",    infoPtr->mah.dwSuggestedBufferSize);
 498     TRACE("mah.dwWidth=%ld\n",                  infoPtr->mah.dwWidth);
 499     TRACE("mah.dwHeight=%ld\n",                 infoPtr->mah.dwHeight);
 500
 501     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 502
 503     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 504     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) != 0) {
 505         WARN("Can't find 'strl' list\n");
 506         return FALSE;
 507     }
 508
 509     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'h');
 510     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 511         WARN("Can't find 'strh' chunk\n");
 512         return FALSE;
 513     }
 514
 515     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->ash, sizeof(infoPtr->ash));
 516
 517     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(infoPtr->ash.fccType)),
 518                                                 HIBYTE(LOWORD(infoPtr->ash.fccType)),
 519                                                 LOBYTE(HIWORD(infoPtr->ash.fccType)),
 520                                                 HIBYTE(HIWORD(infoPtr->ash.fccType)));
 521     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(infoPtr->ash.fccHandler)),
 522                                                 HIBYTE(LOWORD(infoPtr->ash.fccHandler)),
 523                                                 LOBYTE(HIWORD(infoPtr->ash.fccHandler)),
 524                                                 HIBYTE(HIWORD(infoPtr->ash.fccHandler)));
 525     TRACE("ash.dwFlags=%ld\n",                  infoPtr->ash.dwFlags);
 526     TRACE("ash.wPriority=%d\n",                 infoPtr->ash.wPriority);
 527     TRACE("ash.wLanguage=%d\n",                 infoPtr->ash.wLanguage);
 528     TRACE("ash.dwInitialFrames=%ld\n",          infoPtr->ash.dwInitialFrames);
 529     TRACE("ash.dwScale=%ld\n",                  infoPtr->ash.dwScale);
 530     TRACE("ash.dwRate=%ld\n",                   infoPtr->ash.dwRate);
 531     TRACE("ash.dwStart=%ld\n",                  infoPtr->ash.dwStart);
 532     TRACE("ash.dwLength=%ld\n",                 infoPtr->ash.dwLength);
 533     TRACE("ash.dwSuggestedBufferSize=%ld\n",    infoPtr->ash.dwSuggestedBufferSize);
 534     TRACE("ash.dwQuality=%ld\n",                infoPtr->ash.dwQuality);
 535     TRACE("ash.dwSampleSize=%ld\n",             infoPtr->ash.dwSampleSize);
 536     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        infoPtr->ash.rcFrame.top, infoPtr->ash.rcFrame.left,
 537           infoPtr->ash.rcFrame.bottom, infoPtr->ash.rcFrame.right);
 538
 539     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 540
 541     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'f');
 542     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 543         WARN("Can't find 'strh' chunk\n");
 544         return FALSE;
 545     }
 546
 547     infoPtr->inbih = HeapAlloc(GetProcessHeap(), 0, mmckInfo.cksize);
 548     if (!infoPtr->inbih) {
 549         WARN("Can't alloc input BIH\n");
 550         return FALSE;
 551     }
 552
 553     mmioRead(infoPtr->hMMio, (LPSTR)infoPtr->inbih, mmckInfo.cksize);
 554
 555     TRACE("bih.biSize=%ld\n",           infoPtr->inbih->biSize);
 556     TRACE("bih.biWidth=%ld\n",          infoPtr->inbih->biWidth);
 557     TRACE("bih.biHeight=%ld\n",         infoPtr->inbih->biHeight);
 558     TRACE("bih.biPlanes=%d\n",          infoPtr->inbih->biPlanes);
 559     TRACE("bih.biBitCount=%d\n",        infoPtr->inbih->biBitCount);
 560     TRACE("bih.biCompression=%ld\n",    infoPtr->inbih->biCompression);
 561     TRACE("bih.biSizeImage=%ld\n",      infoPtr->inbih->biSizeImage);
 562     TRACE("bih.biXPelsPerMeter=%ld\n",  infoPtr->inbih->biXPelsPerMeter);
 563     TRACE("bih.biYPelsPerMeter=%ld\n",  infoPtr->inbih->biYPelsPerMeter);
 564     TRACE("bih.biClrUsed=%ld\n",        infoPtr->inbih->biClrUsed);
 565     TRACE("bih.biClrImportant=%ld\n",   infoPtr->inbih->biClrImportant);
 566
 567     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 568
 569     mmioAscend(infoPtr->hMMio, &mmckList, 0);
 570
 571 #if 0
 572     /* an AVI has 0 or 1 video stream, and to be animated should not contain
 573      * an audio stream, so only one strl is allowed
 574      */
 575     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 576     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) == 0) {
 577         WARN("There should be a single 'strl' list\n");
 578         return FALSE;
 579     }
 580 #endif
 581
 582     mmioAscend(infoPtr->hMMio, &mmckHead, 0);
 583
 584     /* no need to read optional JUNK chunk */
 585
 586     mmckList.fccType = mmioFOURCC('m', 'o', 'v', 'i');
 587     if (mmioDescend(infoPtr->hMMio, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 588         WARN("Can't find 'movi' list\n");
 589         return FALSE;
 590     }
 591
 592     /* FIXME: should handle the 'rec ' LIST when present */
 593
 594     infoPtr->lpIndex = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 595                                  infoPtr->mah.dwTotalFrames * sizeof(DWORD));
 596     if (!infoPtr->lpIndex) {
 597         WARN("Can't alloc index array\n");
 598         return FALSE;
 599     }
 600
 601     numFrame = insize = 0;
 602     while (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, 0) == 0 &&
 603            numFrame < infoPtr->mah.dwTotalFrames) {
 604         infoPtr->lpIndex[numFrame] = mmckInfo.dwDataOffset;
 605         if (insize < mmckInfo.cksize)
 606             insize = mmckInfo.cksize;
 607         numFrame++;
 608         mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 609     }
 610     if (numFrame != infoPtr->mah.dwTotalFrames) {
 611         WARN("Found %ld frames (/%ld)\n", numFrame, infoPtr->mah.dwTotalFrames);
 612         return FALSE;
 613     }
 614     if (insize > infoPtr->ash.dwSuggestedBufferSize) {
 615         WARN("insize=%ld suggestedSize=%ld\n", insize, infoPtr->ash.dwSuggestedBufferSize);
 616         infoPtr->ash.dwSuggestedBufferSize = insize;
 617     }
 618
 619     infoPtr->indata = HeapAlloc(GetProcessHeap(), 0, infoPtr->ash.dwSuggestedBufferSize);
 620     if (!infoPtr->indata) {
 621         WARN("Can't alloc input buffer\n");
 622         return FALSE;
 623     }
 624
 625     return TRUE;
 626 }
 627
 628
 629 static BOOL    ANIMATE_GetAviCodec(ANIMATE_INFO *infoPtr)
 630 {
 631     DWORD       outSize;
 632
 633     /* check uncompressed AVI */
 634     if ((infoPtr->ash.fccHandler == mmioFOURCC('D', 'I', 'B', ' ')) ||
 635        (infoPtr->ash.fccHandler == mmioFOURCC('R', 'L', 'E', ' ')) ||
 636        (infoPtr->ash.fccHandler == mmioFOURCC(0, 0, 0, 0)))
 637     {
 638         infoPtr->hic = 0;
 639         return TRUE;
 640     }
 641
 642     /* try to get a decompressor for that type */
 643     infoPtr->hic = fnIC.fnICOpen(ICTYPE_VIDEO, infoPtr->ash.fccHandler, ICMODE_DECOMPRESS);
 644     if (!infoPtr->hic) {
 645         WARN("Can't load codec for the file\n");
 646         return FALSE;
 647     }
 648
 649     outSize = fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 650                             (DWORD)infoPtr->inbih, 0L);
 651
 652     infoPtr->outbih = HeapAlloc(GetProcessHeap(), 0, outSize);
 653     if (!infoPtr->outbih) {
 654         WARN("Can't alloc output BIH\n");
 655         return FALSE;
 656     }
 657
 658     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 659                       (DWORD)infoPtr->inbih, (DWORD)infoPtr->outbih) != ICERR_OK) {
 660         WARN("Can't get output BIH\n");
 661         return FALSE;
 662     }
 663
 664     infoPtr->outdata = HeapAlloc(GetProcessHeap(), 0, infoPtr->outbih->biSizeImage);
 665     if (!infoPtr->outdata) {
 666         WARN("Can't alloc output buffer\n");
 667         return FALSE;
 668     }
 669
 670     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_BEGIN,
 671                       (DWORD)infoPtr->inbih, (DWORD)infoPtr->outbih) != ICERR_OK) {
 672         WARN("Can't begin decompression\n");
 673         return FALSE;
 674     }
 675
 676     return TRUE;
 677 }
 678
 679 static LRESULT ANIMATE_OpenA(HWND hWnd, WPARAM wParam, LPARAM lParam)
 680 {
 681     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
 682     HINSTANCE hInstance = (HINSTANCE)wParam;
 683
 684     ANIMATE_Free(infoPtr);
 685     infoPtr->hWnd = hWnd;
 686
 687     if (!lParam) {
 688         TRACE("Closing avi!\n");
 689         return TRUE;
 690     }
 691
 692     if (!hInstance)
 693        hInstance = GetWindowLongA(hWnd, GWL_HINSTANCE);
 694
 695     if (HIWORD(lParam)) {
 696         TRACE("(\"%s\");\n", (LPSTR)lParam);
 697
 698         if (!ANIMATE_LoadResA(infoPtr, hInstance, (LPSTR)lParam)) {
 699             TRACE("No AVI resource found!\n");
 700             if (!ANIMATE_LoadFileA(infoPtr, (LPSTR)lParam)) {
 701                 WARN("No AVI file found!\n");
 702                 return FALSE;
 703             }
 704         }
 705     } else {
 706         TRACE("(%u);\n", (WORD)LOWORD(lParam));
 707
 708         if (!ANIMATE_LoadResA(infoPtr, hInstance,
 709                               MAKEINTRESOURCEA((INT)lParam))) {
 710             WARN("No AVI resource found!\n");
 711             return FALSE;
 712         }
 713     }
 714
 715     if (!ANIMATE_GetAviInfo(infoPtr)) {
 716         WARN("Can't get AVI information\n");
 717         ANIMATE_Free(infoPtr);
 718         return FALSE;
 719     }
 720
 721     if (!ANIMATE_GetAviCodec(infoPtr)) {
 722         WARN("Can't get AVI Codec\n");
 723         ANIMATE_Free(infoPtr);
 724         return FALSE;
 725     }
 726
 727     if (!GetWindowLongA(hWnd, GWL_STYLE) & ACS_CENTER) {
 728         SetWindowPos(hWnd, 0, 0, 0, infoPtr->mah.dwWidth, infoPtr->mah.dwHeight,
 729                      SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
 730     }
 731
 732     if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_AUTOPLAY) {
 733         return ANIMATE_Play(hWnd, -1, (LPARAM)MAKELONG(0, infoPtr->mah.dwTotalFrames-1));
 734     }
 735
 736     return TRUE;
 737 }
 738
 739
 740 /* << ANIMATE_Open32W >> */
 741
 742 static LRESULT ANIMATE_Stop(HWND hWnd, WPARAM wParam, LPARAM lParam)
 743 {
 744     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
 745
 746     /* nothing opened */
 747     if (!infoPtr->hMMio)
 748         return FALSE;
 749
 750     ANIMATE_DoStop(infoPtr);
 751     return TRUE;
 752 }
 753
 754
 755 static LRESULT ANIMATE_Create(HWND hWnd, WPARAM wParam, LPARAM lParam)
 756 {
 757     ANIMATE_INFO*       infoPtr;
 758
 759     if (!fnIC.hModule) /* FIXME: not thread safe */
 760     {
 761         /* since there's a circular dep between msvfw32 and comctl32, we could either:
 762          * - fix the build chain to allow this circular dep
 763          * - handle it by hand
 764          * AJ wants the latter :-(
 765          */
 766         fnIC.hModule = LoadLibraryA("msvfw32.dll");
 767         if (!fnIC.hModule) return FALSE;
 768
 769         fnIC.fnICOpen        = (void*)GetProcAddress(fnIC.hModule, "ICOpen");
 770         fnIC.fnICClose       = (void*)GetProcAddress(fnIC.hModule, "ICClose");
 771         fnIC.fnICSendMessage = (void*)GetProcAddress(fnIC.hModule, "ICSendMessage");
 772         fnIC.fnICDecompress  = (void*)GetProcAddress(fnIC.hModule, "ICDecompress");
 773     }
 774
 775     /* allocate memory for info structure */
 776     infoPtr = (ANIMATE_INFO *)COMCTL32_Alloc(sizeof(ANIMATE_INFO));
 777     if (!infoPtr) {
 778         ERR("could not allocate info memory!\n");
 779         return 0;
 780     }
 781
 782     TRACE("Animate style=0x%08lx, parent=%08lx\n", GetWindowLongA(hWnd, GWL_STYLE), (DWORD)GetParent(hWnd));
 783
 784     /* store crossref hWnd <-> info structure */
 785     SetWindowLongA(hWnd, 0, (DWORD)infoPtr);
 786     infoPtr->hWnd = hWnd;
 787     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 788     infoPtr->hbmPrevFrame = 0;
 789
 790     InitializeCriticalSection(&infoPtr->cs);
 791
 792     return 0;
 793 }
 794
 795
 796 static LRESULT ANIMATE_Destroy(HWND hWnd, WPARAM wParam, LPARAM lParam)
 797 {
 798     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
 799
 800
 801     /* free avi data */
 802     ANIMATE_Free(infoPtr);
 803
 804     /* free animate info data */
 805     COMCTL32_Free(infoPtr);
 806     SetWindowLongA(hWnd, 0, 0);
 807
 808     return 0;
 809 }
 810
 811
 812 static LRESULT ANIMATE_EraseBackground(HWND hWnd, WPARAM wParam, LPARAM lParam)
 813 {
 814     RECT rect;
 815     HBRUSH hBrush = 0;
 816
 817     if(GetWindowLongA(hWnd, GWL_STYLE) & ACS_TRANSPARENT)
 818     {
 819         hBrush = SendMessageA(GetParent(hWnd),WM_CTLCOLORSTATIC,(HDC)wParam,
 820                               (LPARAM)hWnd);
 821     }
 822
 823     GetClientRect(hWnd, &rect);
 824     FillRect((HDC)wParam, &rect, hBrush ? hBrush : GetCurrentObject((HDC)wParam, OBJ_BRUSH));
 825
 826     return TRUE;
 827 }
 828
 829 static LRESULT WINAPI ANIMATE_Size(HWND hWnd, WPARAM wParam, LPARAM lParam)
 830 {
 831     if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_CENTER) {
 832         InvalidateRect(hWnd, NULL, TRUE);
 833     }
 834     return TRUE;
 835 }
 836
 837 static LRESULT WINAPI ANIMATE_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 838 {
 839     TRACE("hwnd=%x msg=%x wparam=%x lparam=%lx\n", hWnd, uMsg, wParam, lParam);
 840     if (!ANIMATE_GetInfoPtr(hWnd) && (uMsg != WM_NCCREATE))
 841         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 842     switch (uMsg)
 843     {
 844     case ACM_OPENA:
 845         return ANIMATE_OpenA(hWnd, wParam, lParam);
 846
 847         /*      case ACM_OPEN32W: FIXME!! */
 848         /*          return ANIMATE_Open32W(hWnd, wParam, lParam); */
 849
 850     case ACM_PLAY:
 851         return ANIMATE_Play(hWnd, wParam, lParam);
 852
 853     case ACM_STOP:
 854         return ANIMATE_Stop(hWnd, wParam, lParam);
 855
 856     case WM_NCCREATE:
 857         ANIMATE_Create(hWnd, wParam, lParam);
 858         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 859
 860     case WM_NCHITTEST:
 861         return HTTRANSPARENT;
 862
 863     case WM_DESTROY:
 864         ANIMATE_Destroy(hWnd, wParam, lParam);
 865         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 866
 867     case WM_ERASEBKGND:
 868         ANIMATE_EraseBackground(hWnd, wParam, lParam);
 869         break;
 870
 871     /*  case WM_STYLECHANGED: FIXME shall we do something ?? */
 872
 873     case WM_TIMER:
 874         if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_TRANSPARENT)
 875         {
 876             ANIMATE_INFO* infoPtr = ANIMATE_GetInfoPtr(hWnd);
 877             infoPtr->hbrushBG = SendMessageA(GetParent(hWnd), WM_CTLCOLORSTATIC,
 878                                              (HDC)wParam, (LPARAM)hWnd);
 879         }
 880         return ANIMATE_DrawFrame(ANIMATE_GetInfoPtr(hWnd));
 881
 882     case WM_CLOSE:
 883         ANIMATE_Free(ANIMATE_GetInfoPtr(hWnd));
 884         return TRUE;
 885
 886     case WM_PAINT:
 887         {
 888             ANIMATE_INFO* infoPtr = ANIMATE_GetInfoPtr(hWnd);
 889
 890             /* the animation isn't playing, don't paint */
 891             if(!infoPtr->uTimer && !infoPtr->hThread)
 892                 /* default paint handling */
 893                 return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 894
 895             if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_TRANSPARENT)
 896                 infoPtr->hbrushBG = SendMessageA(GetParent(hWnd), WM_CTLCOLORSTATIC,
 897                                                  (HDC)wParam, (LPARAM)hWnd);
 898
 899             if (wParam)
 900             {
 901                 EnterCriticalSection(&infoPtr->cs);
 902                 ANIMATE_PaintFrame(infoPtr, (HDC)wParam);
 903                 LeaveCriticalSection(&infoPtr->cs);
 904             }
 905             else
 906             {
 907                 PAINTSTRUCT ps;
 908                 HDC hDC = BeginPaint(hWnd, &ps);
 909
 910                 EnterCriticalSection(&infoPtr->cs);
 911                 ANIMATE_PaintFrame(infoPtr, hDC);
 912                 LeaveCriticalSection(&infoPtr->cs);
 913
 914                 EndPaint(hWnd, &ps);
 915             }
 916         }
 917         break;
 918
 919     case WM_SIZE:
 920         ANIMATE_Size(hWnd, wParam, lParam);
 921         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 922
 923     default:
 924         if ((uMsg >= WM_USER) && (uMsg < WM_APP))
 925             ERR("unknown msg %04x wp=%08x lp=%08lx\n", uMsg, wParam, lParam);
 926
 927         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 928     }
 929     return 0;
 930 }
 931
 932 void ANIMATE_Register(void)
 933 {
 934     WNDCLASSA wndClass;
 935
 936     ZeroMemory(&wndClass, sizeof(WNDCLASSA));
 937     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS;
 938     wndClass.lpfnWndProc   = (WNDPROC)ANIMATE_WindowProc;
 939     wndClass.cbClsExtra    = 0;
 940     wndClass.cbWndExtra    = sizeof(ANIMATE_INFO *);
 941     wndClass.hCursor       = LoadCursorA(0, IDC_ARROWA);
 942     wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
 943     wndClass.lpszClassName = ANIMATE_CLASSA;
 944
 945     RegisterClassA(&wndClass);
 946 }
 947
 948
 949 void ANIMATE_Unregister(void)
 950 {
 951     UnregisterClassA(ANIMATE_CLASSA, (HINSTANCE)NULL);
 952 }