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