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 #define COM_NO_WINDOWS_H
  32 #include <stdarg.h>
  33 #include <string.h>
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "wingdi.h"
  37 #include "winuser.h"
  38 #include "winnls.h"
  39 #include "commctrl.h"
  40 #include "vfw.h"
  41 #include "mmsystem.h"
  42 #include "comctl32.h"
  43 #include "wine/debug.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(animate);
  46
  47 static struct {
  48     HMODULE     hModule;
  49     HIC         (WINAPI *fnICOpen)(DWORD, DWORD, UINT);
  50     LRESULT     (WINAPI *fnICClose)(HIC);
  51     LRESULT     (WINAPI *fnICSendMessage)(HIC, UINT, DWORD, DWORD);
  52     DWORD       (WINAPIV *fnICDecompress)(HIC,DWORD,LPBITMAPINFOHEADER,LPVOID,LPBITMAPINFOHEADER,LPVOID);
  53 } fnIC;
  54
  55 typedef struct
  56 {
  57    /* reference to input stream (file or resource) */
  58    HGLOBAL              hRes;
  59    HMMIO                hMMio;  /* handle to mmio stream */
  60    HWND                 hwndSelf;
  61    HWND                 hwndNotify;
  62    /* information on the loaded AVI file */
  63    MainAVIHeader        mah;
  64    AVIStreamHeader      ash;
  65    LPBITMAPINFOHEADER   inbih;
  66    LPDWORD              lpIndex;
  67    /* data for the decompressor */
  68    HIC                  hic;
  69    LPBITMAPINFOHEADER   outbih;
  70    LPVOID               indata;
  71    LPVOID               outdata;
  72    /* data for the background mechanism */
  73    CRITICAL_SECTION     cs;
  74    HANDLE               hStopEvent;
  75    HANDLE               hThread;
  76    UINT                 uTimer;
  77    /* data for playing the file */
  78    int                  nFromFrame;
  79    int                  nToFrame;
  80    int                  nLoop;
  81    int                  currFrame;
  82    /* tranparency info*/
  83    COLORREF             transparentColor;
  84    HBRUSH               hbrushBG;
  85    HBITMAP              hbmPrevFrame;
  86 } ANIMATE_INFO;
  87
  88 #define ANIMATE_GetInfoPtr(hWnd) ((ANIMATE_INFO *)GetWindowLongA(hWnd, 0))
  89 #define ANIMATE_COLOR_NONE      0xffffffff
  90
  91 static void ANIMATE_Notify(ANIMATE_INFO* infoPtr, UINT notif)
  92 {
  93     SendMessageA(infoPtr->hwndNotify, WM_COMMAND,
  94                  MAKEWPARAM(GetDlgCtrlID(infoPtr->hwndSelf), notif),
  95                  (LPARAM)infoPtr->hwndSelf);
  96 }
  97
  98 static BOOL ANIMATE_LoadResA(ANIMATE_INFO *infoPtr, HINSTANCE hInst, LPSTR lpName)
  99 {
 100     HRSRC       hrsrc;
 101     MMIOINFO    mminfo;
 102     LPVOID      lpAvi;
 103
 104     hrsrc = FindResourceA(hInst, lpName, "AVI");
 105     if (!hrsrc)
 106         return FALSE;
 107
 108     infoPtr->hRes = LoadResource(hInst, hrsrc);
 109     if (!infoPtr->hRes)
 110         return FALSE;
 111
 112     lpAvi = LockResource(infoPtr->hRes);
 113     if (!lpAvi)
 114         return FALSE;
 115
 116     memset(&mminfo, 0, sizeof(mminfo));
 117     mminfo.fccIOProc = FOURCC_MEM;
 118     mminfo.pchBuffer = (LPSTR)lpAvi;
 119     mminfo.cchBuffer = SizeofResource(hInst, hrsrc);
 120     infoPtr->hMMio = mmioOpenA(NULL, &mminfo, MMIO_READ);
 121     if (!infoPtr->hMMio) {
 122         GlobalFree((HGLOBAL)lpAvi);
 123         return FALSE;
 124     }
 125
 126     return TRUE;
 127 }
 128
 129
 130 static BOOL ANIMATE_LoadFileA(ANIMATE_INFO *infoPtr, LPSTR lpName)
 131 {
 132     infoPtr->hMMio = mmioOpenA((LPSTR)lpName, NULL,
 133                                MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
 134
 135     if (!infoPtr->hMMio)
 136         return FALSE;
 137
 138     return TRUE;
 139 }
 140
 141
 142 static LRESULT ANIMATE_DoStop(ANIMATE_INFO *infoPtr)
 143 {
 144     EnterCriticalSection(&infoPtr->cs);
 145
 146     /* should stop playing */
 147     if (infoPtr->hThread)
 148     {
 149         HANDLE handle = infoPtr->hThread;
 150
 151         TRACE("stopping animation thread\n");
 152         SetEvent( infoPtr->hStopEvent );
 153         LeaveCriticalSection(&infoPtr->cs);  /* leave it a chance to run */
 154         WaitForSingleObject( handle, INFINITE );
 155         TRACE("animation thread stopped\n");
 156         EnterCriticalSection(&infoPtr->cs);
 157         CloseHandle( infoPtr->hThread );
 158         CloseHandle( infoPtr->hStopEvent );
 159         infoPtr->hThread = 0;
 160     }
 161     if (infoPtr->uTimer) {
 162         KillTimer(infoPtr->hwndSelf, infoPtr->uTimer);
 163         infoPtr->uTimer = 0;
 164     }
 165
 166     LeaveCriticalSection(&infoPtr->cs);
 167
 168     ANIMATE_Notify(infoPtr, ACN_STOP);
 169
 170     return TRUE;
 171 }
 172
 173
 174 static void ANIMATE_Free(ANIMATE_INFO *infoPtr)
 175 {
 176     if (infoPtr->hMMio) {
 177         ANIMATE_DoStop(infoPtr);
 178         mmioClose(infoPtr->hMMio, 0);
 179         if (infoPtr->hRes) {
 180             FreeResource(infoPtr->hRes);
 181             infoPtr->hRes = 0;
 182         }
 183         if (infoPtr->lpIndex) {
 184             HeapFree(GetProcessHeap(), 0, infoPtr->lpIndex);
 185             infoPtr->lpIndex = NULL;
 186         }
 187         if (infoPtr->hic) {
 188             fnIC.fnICClose(infoPtr->hic);
 189             infoPtr->hic = 0;
 190         }
 191         if (infoPtr->inbih) {
 192             HeapFree(GetProcessHeap(), 0, infoPtr->inbih);
 193             infoPtr->inbih = NULL;
 194         }
 195         if (infoPtr->outbih) {
 196             HeapFree(GetProcessHeap(), 0, infoPtr->outbih);
 197             infoPtr->outbih = NULL;
 198         }
 199         if( infoPtr->indata )
 200         {
 201         HeapFree(GetProcessHeap(), 0, infoPtr->indata);
 202             infoPtr->indata = NULL;
 203         }
 204         if( infoPtr->outdata )
 205         {
 206         HeapFree(GetProcessHeap(), 0, infoPtr->outdata);
 207             infoPtr->outdata = NULL;
 208         }
 209         if( infoPtr->hbmPrevFrame )
 210         {
 211             DeleteObject(infoPtr->hbmPrevFrame);
 212             infoPtr->hbmPrevFrame = 0;
 213         }
 214         infoPtr->indata = infoPtr->outdata = NULL;
 215         infoPtr->hwndSelf = 0;
 216         infoPtr->hMMio = 0;
 217
 218         memset(&infoPtr->mah, 0, sizeof(infoPtr->mah));
 219         memset(&infoPtr->ash, 0, sizeof(infoPtr->ash));
 220         infoPtr->nFromFrame = infoPtr->nToFrame = infoPtr->nLoop = infoPtr->currFrame = 0;
 221     }
 222     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 223 }
 224
 225 static void ANIMATE_TransparentBlt(ANIMATE_INFO* infoPtr, HDC hdcDest, HDC hdcSource)
 226 {
 227     HDC hdcMask;
 228     HBITMAP hbmMask;
 229     HBITMAP hbmOld;
 230
 231     /* create a transparency mask */
 232     hdcMask = CreateCompatibleDC(hdcDest);
 233     hbmMask = CreateBitmap(infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, 1,1,NULL);
 234     hbmOld = SelectObject(hdcMask, hbmMask);
 235
 236     SetBkColor(hdcSource,infoPtr->transparentColor);
 237     BitBlt(hdcMask,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCCOPY);
 238
 239     /* mask the source bitmap */
 240     SetBkColor(hdcSource, RGB(0,0,0));
 241     SetTextColor(hdcSource, RGB(255,255,255));
 242     BitBlt(hdcSource, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 243
 244     /* mask the destination bitmap */
 245     SetBkColor(hdcDest, RGB(255,255,255));
 246     SetTextColor(hdcDest, RGB(0,0,0));
 247     BitBlt(hdcDest, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 248
 249     /* combine source and destination */
 250     BitBlt(hdcDest,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCPAINT);
 251
 252     SelectObject(hdcMask, hbmOld);
 253     DeleteObject(hbmMask);
 254     DeleteDC(hdcMask);
 255 }
 256
 257 static LRESULT ANIMATE_PaintFrame(ANIMATE_INFO* infoPtr, HDC hDC)
 258 {
 259     void* pBitmapData = NULL;
 260     LPBITMAPINFO pBitmapInfo = NULL;
 261
 262     HDC hdcMem;
 263     HBITMAP hbmOld;
 264
 265     int nOffsetX = 0;
 266     int nOffsetY = 0;
 267
 268     int nWidth;
 269     int nHeight;
 270
 271     if (!hDC || !infoPtr->inbih)
 272         return TRUE;
 273
 274     if (infoPtr->hic )
 275     {
 276         pBitmapData = infoPtr->outdata;
 277         pBitmapInfo = (LPBITMAPINFO)infoPtr->outbih;
 278
 279         nWidth = infoPtr->outbih->biWidth;
 280         nHeight = infoPtr->outbih->biHeight;
 281     } else
 282     {
 283         pBitmapData = infoPtr->indata;
 284         pBitmapInfo = (LPBITMAPINFO)infoPtr->inbih;
 285
 286         nWidth = infoPtr->inbih->biWidth;
 287         nHeight = infoPtr->inbih->biHeight;
 288     }
 289
 290     if(!infoPtr->hbmPrevFrame)
 291     {
 292         infoPtr->hbmPrevFrame=CreateCompatibleBitmap(hDC, nWidth,nHeight );
 293     }
 294
 295     SetDIBits(hDC, infoPtr->hbmPrevFrame, 0, nHeight, pBitmapData, (LPBITMAPINFO)pBitmapInfo, DIB_RGB_COLORS);
 296
 297     hdcMem = CreateCompatibleDC(hDC);
 298     hbmOld = SelectObject(hdcMem, infoPtr->hbmPrevFrame);
 299
 300     /*
 301      * we need to get the transparent color even without ACS_TRANSPARENT,
 302      * because the style can be changed later on and the color should always
 303      * be obtained in the first frame
 304      */
 305     if(infoPtr->transparentColor == ANIMATE_COLOR_NONE)
 306     {
 307         infoPtr->transparentColor = GetPixel(hdcMem,0,0);
 308     }
 309
 310     if(GetWindowLongA(infoPtr->hwndSelf, GWL_STYLE) & ACS_TRANSPARENT)
 311     {
 312         HDC hdcFinal = CreateCompatibleDC(hDC);
 313         HBITMAP hbmFinal = CreateCompatibleBitmap(hDC,nWidth, nHeight);
 314         HBITMAP hbmOld2 = SelectObject(hdcFinal, hbmFinal);
 315         RECT rect;
 316
 317         rect.left = 0;
 318         rect.top = 0;
 319         rect.right = nWidth;
 320         rect.bottom = nHeight;
 321
 322         if(!infoPtr->hbrushBG)
 323             infoPtr->hbrushBG = GetCurrentObject(hDC, OBJ_BRUSH);
 324
 325         FillRect(hdcFinal, &rect, infoPtr->hbrushBG);
 326         ANIMATE_TransparentBlt(infoPtr, hdcFinal, hdcMem);
 327
 328         SelectObject(hdcFinal, hbmOld2);
 329         SelectObject(hdcMem, hbmFinal);
 330         DeleteDC(hdcFinal);
 331         DeleteObject(infoPtr->hbmPrevFrame);
 332         infoPtr->hbmPrevFrame = hbmFinal;
 333          }
 334
 335     if (GetWindowLongA(infoPtr->hwndSelf, GWL_STYLE) & ACS_CENTER)
 336     {
 337        RECT rect;
 338
 339        GetWindowRect(infoPtr->hwndSelf, &rect);
 340        nOffsetX = ((rect.right - rect.left) - nWidth)/2;
 341        nOffsetY = ((rect.bottom - rect.top) - nHeight)/2;
 342     }
 343     BitBlt(hDC, nOffsetX, nOffsetY, nWidth, nHeight, hdcMem, 0, 0, SRCCOPY);
 344
 345     SelectObject(hdcMem, hbmOld);
 346     DeleteDC(hdcMem);
 347     return TRUE;
 348 }
 349
 350 static LRESULT ANIMATE_DrawFrame(ANIMATE_INFO* infoPtr)
 351 {
 352     HDC         hDC;
 353
 354     TRACE("Drawing frame %d (loop %d)\n", infoPtr->currFrame, infoPtr->nLoop);
 355
 356     EnterCriticalSection(&infoPtr->cs);
 357
 358     mmioSeek(infoPtr->hMMio, infoPtr->lpIndex[infoPtr->currFrame], SEEK_SET);
 359     mmioRead(infoPtr->hMMio, infoPtr->indata, infoPtr->ash.dwSuggestedBufferSize);
 360
 361     if (infoPtr->hic &&
 362         fnIC.fnICDecompress(infoPtr->hic, 0, infoPtr->inbih, infoPtr->indata,
 363                      infoPtr->outbih, infoPtr->outdata) != ICERR_OK) {
 364         LeaveCriticalSection(&infoPtr->cs);
 365         WARN("Decompression error\n");
 366         return FALSE;
 367     }
 368
 369     if ((hDC = GetDC(infoPtr->hwndSelf)) != 0) {
 370         ANIMATE_PaintFrame(infoPtr, hDC);
 371         ReleaseDC(infoPtr->hwndSelf, hDC);
 372     }
 373
 374     if (infoPtr->currFrame++ >= infoPtr->nToFrame) {
 375         infoPtr->currFrame = infoPtr->nFromFrame;
 376         if (infoPtr->nLoop != -1) {
 377             if (--infoPtr->nLoop == 0) {
 378                 ANIMATE_DoStop(infoPtr);
 379             }
 380         }
 381     }
 382     LeaveCriticalSection(&infoPtr->cs);
 383
 384     return TRUE;
 385 }
 386
 387 static DWORD CALLBACK ANIMATE_AnimationThread(LPVOID ptr_)
 388 {
 389     ANIMATE_INFO*       infoPtr = (ANIMATE_INFO*)ptr_;
 390     HANDLE event;
 391     DWORD timeout;
 392
 393     while(1)
 394     {
 395         EnterCriticalSection(&infoPtr->cs);
 396         ANIMATE_DrawFrame(infoPtr);
 397         timeout = infoPtr->mah.dwMicroSecPerFrame;
 398         event = infoPtr->hStopEvent;
 399         LeaveCriticalSection(&infoPtr->cs);
 400
 401         /* time is in microseconds, we should convert it to milliseconds */
 402         if (WaitForSingleObject( event, (timeout+500)/1000) == WAIT_OBJECT_0)
 403             break;
 404     }
 405     return TRUE;
 406 }
 407
 408 static LRESULT ANIMATE_Play(HWND hWnd, WPARAM wParam, LPARAM lParam)
 409 {
 410     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
 411
 412     /* nothing opened */
 413     if (!infoPtr->hMMio)
 414         return FALSE;
 415
 416     if (infoPtr->hThread || infoPtr->uTimer) {
 417         FIXME("Already playing ? what should I do ??\n");
 418         ANIMATE_DoStop(infoPtr);
 419     }
 420
 421     infoPtr->nFromFrame = (INT)LOWORD(lParam);
 422     infoPtr->nToFrame   = (INT)HIWORD(lParam);
 423     infoPtr->nLoop      = (INT)wParam;
 424
 425     if (infoPtr->nToFrame == 0xFFFF)
 426         infoPtr->nToFrame = infoPtr->mah.dwTotalFrames - 1;
 427
 428     TRACE("(repeat=%d from=%d to=%d);\n",
 429           infoPtr->nLoop, infoPtr->nFromFrame, infoPtr->nToFrame);
 430
 431     if (infoPtr->nFromFrame >= infoPtr->nToFrame ||
 432         infoPtr->nToFrame >= infoPtr->mah.dwTotalFrames)
 433         return FALSE;
 434
 435     infoPtr->currFrame = infoPtr->nFromFrame;
 436
 437     if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_TIMER) {
 438         TRACE("Using a timer\n");
 439         /* create a timer to display AVI */
 440         infoPtr->uTimer = SetTimer(hWnd, 1, infoPtr->mah.dwMicroSecPerFrame / 1000, NULL);
 441     } else {
 442         DWORD threadID;
 443
 444         if(GetWindowLongA(hWnd, GWL_STYLE) & ACS_TRANSPARENT)
 445         {
 446             HDC hDC = GetDC(hWnd);
 447             infoPtr->hbrushBG = (HBRUSH)SendMessageA(infoPtr->hwndNotify,
 448                                                      WM_CTLCOLORSTATIC, 0, (LPARAM)hWnd);
 449             ReleaseDC(hWnd,hDC);
 450         }
 451
 452         TRACE("Using an animation thread\n");
 453         infoPtr->hStopEvent = CreateEventW( NULL, TRUE, FALSE, NULL );
 454         infoPtr->hThread = CreateThread(0,0,ANIMATE_AnimationThread,(LPVOID)infoPtr, 0, &threadID);
 455         if(!infoPtr->hThread)
 456         {
 457            ERR("Could not create animation thread!\n");
 458            return FALSE;
 459         }
 460
 461     }
 462
 463     ANIMATE_Notify(infoPtr, ACN_START);
 464
 465     return TRUE;
 466 }
 467
 468
 469 static BOOL ANIMATE_GetAviInfo(ANIMATE_INFO *infoPtr)
 470 {
 471     MMCKINFO            ckMainRIFF;
 472     MMCKINFO            mmckHead;
 473     MMCKINFO            mmckList;
 474     MMCKINFO            mmckInfo;
 475     DWORD               numFrame;
 476     DWORD               insize;
 477
 478     if (mmioDescend(infoPtr->hMMio, &ckMainRIFF, NULL, 0) != 0) {
 479         WARN("Can't find 'RIFF' chunk\n");
 480         return FALSE;
 481     }
 482
 483     if ((ckMainRIFF.ckid != FOURCC_RIFF) ||
 484         (ckMainRIFF.fccType != mmioFOURCC('A', 'V', 'I', ' '))) {
 485         WARN("Can't find 'AVI ' chunk\n");
 486         return FALSE;
 487     }
 488
 489     mmckHead.fccType = mmioFOURCC('h', 'd', 'r', 'l');
 490     if (mmioDescend(infoPtr->hMMio, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 491         WARN("Can't find 'hdrl' list\n");
 492         return FALSE;
 493     }
 494
 495     mmckInfo.ckid = mmioFOURCC('a', 'v', 'i', 'h');
 496     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
 497         WARN("Can't find 'avih' chunk\n");
 498         return FALSE;
 499     }
 500
 501     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->mah, sizeof(infoPtr->mah));
 502
 503     TRACE("mah.dwMicroSecPerFrame=%ld\n",       infoPtr->mah.dwMicroSecPerFrame);
 504     TRACE("mah.dwMaxBytesPerSec=%ld\n",         infoPtr->mah.dwMaxBytesPerSec);
 505     TRACE("mah.dwPaddingGranularity=%ld\n",     infoPtr->mah.dwPaddingGranularity);
 506     TRACE("mah.dwFlags=%ld\n",                  infoPtr->mah.dwFlags);
 507     TRACE("mah.dwTotalFrames=%ld\n",            infoPtr->mah.dwTotalFrames);
 508     TRACE("mah.dwInitialFrames=%ld\n",          infoPtr->mah.dwInitialFrames);
 509     TRACE("mah.dwStreams=%ld\n",                infoPtr->mah.dwStreams);
 510     TRACE("mah.dwSuggestedBufferSize=%ld\n",    infoPtr->mah.dwSuggestedBufferSize);
 511     TRACE("mah.dwWidth=%ld\n",                  infoPtr->mah.dwWidth);
 512     TRACE("mah.dwHeight=%ld\n",                 infoPtr->mah.dwHeight);
 513
 514     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 515
 516     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 517     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) != 0) {
 518         WARN("Can't find 'strl' list\n");
 519         return FALSE;
 520     }
 521
 522     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'h');
 523     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 524         WARN("Can't find 'strh' chunk\n");
 525         return FALSE;
 526     }
 527
 528     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->ash, sizeof(infoPtr->ash));
 529
 530     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(infoPtr->ash.fccType)),
 531                                                 HIBYTE(LOWORD(infoPtr->ash.fccType)),
 532                                                 LOBYTE(HIWORD(infoPtr->ash.fccType)),
 533                                                 HIBYTE(HIWORD(infoPtr->ash.fccType)));
 534     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(infoPtr->ash.fccHandler)),
 535                                                 HIBYTE(LOWORD(infoPtr->ash.fccHandler)),
 536                                                 LOBYTE(HIWORD(infoPtr->ash.fccHandler)),
 537                                                 HIBYTE(HIWORD(infoPtr->ash.fccHandler)));
 538     TRACE("ash.dwFlags=%ld\n",                  infoPtr->ash.dwFlags);
 539     TRACE("ash.wPriority=%d\n",                 infoPtr->ash.wPriority);
 540     TRACE("ash.wLanguage=%d\n",                 infoPtr->ash.wLanguage);
 541     TRACE("ash.dwInitialFrames=%ld\n",          infoPtr->ash.dwInitialFrames);
 542     TRACE("ash.dwScale=%ld\n",                  infoPtr->ash.dwScale);
 543     TRACE("ash.dwRate=%ld\n",                   infoPtr->ash.dwRate);
 544     TRACE("ash.dwStart=%ld\n",                  infoPtr->ash.dwStart);
 545     TRACE("ash.dwLength=%ld\n",                 infoPtr->ash.dwLength);
 546     TRACE("ash.dwSuggestedBufferSize=%ld\n",    infoPtr->ash.dwSuggestedBufferSize);
 547     TRACE("ash.dwQuality=%ld\n",                infoPtr->ash.dwQuality);
 548     TRACE("ash.dwSampleSize=%ld\n",             infoPtr->ash.dwSampleSize);
 549     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        infoPtr->ash.rcFrame.top, infoPtr->ash.rcFrame.left,
 550           infoPtr->ash.rcFrame.bottom, infoPtr->ash.rcFrame.right);
 551
 552     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 553
 554     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'f');
 555     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 556         WARN("Can't find 'strh' chunk\n");
 557         return FALSE;
 558     }
 559
 560     infoPtr->inbih = HeapAlloc(GetProcessHeap(), 0, mmckInfo.cksize);
 561     if (!infoPtr->inbih) {
 562         WARN("Can't alloc input BIH\n");
 563         return FALSE;
 564     }
 565
 566     mmioRead(infoPtr->hMMio, (LPSTR)infoPtr->inbih, mmckInfo.cksize);
 567
 568     TRACE("bih.biSize=%ld\n",           infoPtr->inbih->biSize);
 569     TRACE("bih.biWidth=%ld\n",          infoPtr->inbih->biWidth);
 570     TRACE("bih.biHeight=%ld\n",         infoPtr->inbih->biHeight);
 571     TRACE("bih.biPlanes=%d\n",          infoPtr->inbih->biPlanes);
 572     TRACE("bih.biBitCount=%d\n",        infoPtr->inbih->biBitCount);
 573     TRACE("bih.biCompression=%ld\n",    infoPtr->inbih->biCompression);
 574     TRACE("bih.biSizeImage=%ld\n",      infoPtr->inbih->biSizeImage);
 575     TRACE("bih.biXPelsPerMeter=%ld\n",  infoPtr->inbih->biXPelsPerMeter);
 576     TRACE("bih.biYPelsPerMeter=%ld\n",  infoPtr->inbih->biYPelsPerMeter);
 577     TRACE("bih.biClrUsed=%ld\n",        infoPtr->inbih->biClrUsed);
 578     TRACE("bih.biClrImportant=%ld\n",   infoPtr->inbih->biClrImportant);
 579
 580     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 581
 582     mmioAscend(infoPtr->hMMio, &mmckList, 0);
 583
 584 #if 0
 585     /* an AVI has 0 or 1 video stream, and to be animated should not contain
 586      * an audio stream, so only one strl is allowed
 587      */
 588     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 589     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) == 0) {
 590         WARN("There should be a single 'strl' list\n");
 591         return FALSE;
 592     }
 593 #endif
 594
 595     mmioAscend(infoPtr->hMMio, &mmckHead, 0);
 596
 597     /* no need to read optional JUNK chunk */
 598
 599     mmckList.fccType = mmioFOURCC('m', 'o', 'v', 'i');
 600     if (mmioDescend(infoPtr->hMMio, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 601         WARN("Can't find 'movi' list\n");
 602         return FALSE;
 603     }
 604
 605     /* FIXME: should handle the 'rec ' LIST when present */
 606
 607     infoPtr->lpIndex = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 608                                  infoPtr->mah.dwTotalFrames * sizeof(DWORD));
 609     if (!infoPtr->lpIndex) {
 610         WARN("Can't alloc index array\n");
 611         return FALSE;
 612     }
 613
 614     numFrame = insize = 0;
 615     while (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, 0) == 0 &&
 616            numFrame < infoPtr->mah.dwTotalFrames) {
 617         infoPtr->lpIndex[numFrame] = mmckInfo.dwDataOffset;
 618         if (insize < mmckInfo.cksize)
 619             insize = mmckInfo.cksize;
 620         numFrame++;
 621         mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 622     }
 623     if (numFrame != infoPtr->mah.dwTotalFrames) {
 624         WARN("Found %ld frames (/%ld)\n", numFrame, infoPtr->mah.dwTotalFrames);
 625         return FALSE;
 626     }
 627     if (insize > infoPtr->ash.dwSuggestedBufferSize) {
 628         WARN("insize=%ld suggestedSize=%ld\n", insize, infoPtr->ash.dwSuggestedBufferSize);
 629         infoPtr->ash.dwSuggestedBufferSize = insize;
 630     }
 631
 632     infoPtr->indata = HeapAlloc(GetProcessHeap(), 0, infoPtr->ash.dwSuggestedBufferSize);
 633     if (!infoPtr->indata) {
 634         WARN("Can't alloc input buffer\n");
 635         return FALSE;
 636     }
 637
 638     return TRUE;
 639 }
 640
 641
 642 static BOOL    ANIMATE_GetAviCodec(ANIMATE_INFO *infoPtr)
 643 {
 644     DWORD       outSize;
 645
 646     /* check uncompressed AVI */
 647     if ((infoPtr->ash.fccHandler == mmioFOURCC('D', 'I', 'B', ' ')) ||
 648        (infoPtr->ash.fccHandler == mmioFOURCC('R', 'L', 'E', ' ')) ||
 649        (infoPtr->ash.fccHandler == mmioFOURCC(0, 0, 0, 0)))
 650     {
 651         infoPtr->hic = 0;
 652         return TRUE;
 653     }
 654
 655     /* try to get a decompressor for that type */
 656     infoPtr->hic = fnIC.fnICOpen(ICTYPE_VIDEO, infoPtr->ash.fccHandler, ICMODE_DECOMPRESS);
 657     if (!infoPtr->hic) {
 658         WARN("Can't load codec for the file\n");
 659         return FALSE;
 660     }
 661
 662     outSize = fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 663                             (DWORD)infoPtr->inbih, 0L);
 664
 665     infoPtr->outbih = HeapAlloc(GetProcessHeap(), 0, outSize);
 666     if (!infoPtr->outbih) {
 667         WARN("Can't alloc output BIH\n");
 668         return FALSE;
 669     }
 670
 671     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 672                       (DWORD)infoPtr->inbih, (DWORD)infoPtr->outbih) != outSize) {
 673         WARN("Can't get output BIH\n");
 674         return FALSE;
 675     }
 676
 677     infoPtr->outdata = HeapAlloc(GetProcessHeap(), 0, infoPtr->outbih->biSizeImage);
 678     if (!infoPtr->outdata) {
 679         WARN("Can't alloc output buffer\n");
 680         return FALSE;
 681     }
 682
 683     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_BEGIN,
 684                       (DWORD)infoPtr->inbih, (DWORD)infoPtr->outbih) != ICERR_OK) {
 685         WARN("Can't begin decompression\n");
 686         return FALSE;
 687     }
 688
 689     return TRUE;
 690 }
 691
 692 static LRESULT ANIMATE_OpenA(HWND hWnd, WPARAM wParam, LPARAM lParam)
 693 {
 694     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
 695     HINSTANCE hInstance = (HINSTANCE)wParam;
 696
 697     ANIMATE_Free(infoPtr);
 698     infoPtr->hwndSelf = hWnd;
 699
 700     if (!lParam) {
 701         TRACE("Closing avi!\n");
 702         /* installer of thebat! v1.62 requires FALSE here */
 703         return (infoPtr->hMMio != 0);
 704     }
 705
 706     if (!hInstance)
 707        hInstance = (HINSTANCE)GetWindowLongA(hWnd, GWL_HINSTANCE);
 708
 709     if (HIWORD(lParam)) {
 710         TRACE("(\"%s\");\n", (LPSTR)lParam);
 711
 712         if (!ANIMATE_LoadResA(infoPtr, hInstance, (LPSTR)lParam)) {
 713             TRACE("No AVI resource found!\n");
 714             if (!ANIMATE_LoadFileA(infoPtr, (LPSTR)lParam)) {
 715                 WARN("No AVI file found!\n");
 716                 return FALSE;
 717             }
 718         }
 719     } else {
 720         TRACE("(%u);\n", (WORD)LOWORD(lParam));
 721
 722         if (!ANIMATE_LoadResA(infoPtr, hInstance,
 723                               MAKEINTRESOURCEA((INT)lParam))) {
 724             WARN("No AVI resource found!\n");
 725             return FALSE;
 726         }
 727     }
 728
 729     if (!ANIMATE_GetAviInfo(infoPtr)) {
 730         WARN("Can't get AVI information\n");
 731         ANIMATE_Free(infoPtr);
 732         return FALSE;
 733     }
 734
 735     if (!ANIMATE_GetAviCodec(infoPtr)) {
 736         WARN("Can't get AVI Codec\n");
 737         ANIMATE_Free(infoPtr);
 738         return FALSE;
 739     }
 740
 741     if (!GetWindowLongA(hWnd, GWL_STYLE) & ACS_CENTER) {
 742         SetWindowPos(hWnd, 0, 0, 0, infoPtr->mah.dwWidth, infoPtr->mah.dwHeight,
 743                      SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
 744     }
 745
 746     if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_AUTOPLAY) {
 747         return ANIMATE_Play(hWnd, -1, (LPARAM)MAKELONG(0, infoPtr->mah.dwTotalFrames-1));
 748     }
 749
 750     return TRUE;
 751 }
 752
 753
 754 /* << ANIMATE_Open32W >> */
 755
 756 static LRESULT ANIMATE_Stop(HWND hWnd, WPARAM wParam, LPARAM lParam)
 757 {
 758     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
 759
 760     /* nothing opened */
 761     if (!infoPtr->hMMio)
 762         return FALSE;
 763
 764     ANIMATE_DoStop(infoPtr);
 765     return TRUE;
 766 }
 767
 768
 769 static LRESULT ANIMATE_Create(HWND hWnd, WPARAM wParam, LPARAM lParam)
 770 {
 771     ANIMATE_INFO*       infoPtr;
 772
 773     if (!fnIC.hModule) /* FIXME: not thread safe */
 774     {
 775         /* since there's a circular dep between msvfw32 and comctl32, we could either:
 776          * - fix the build chain to allow this circular dep
 777          * - handle it by hand
 778          * AJ wants the latter :-(
 779          */
 780         fnIC.hModule = LoadLibraryA("msvfw32.dll");
 781         if (!fnIC.hModule) return FALSE;
 782
 783         fnIC.fnICOpen        = (void*)GetProcAddress(fnIC.hModule, "ICOpen");
 784         fnIC.fnICClose       = (void*)GetProcAddress(fnIC.hModule, "ICClose");
 785         fnIC.fnICSendMessage = (void*)GetProcAddress(fnIC.hModule, "ICSendMessage");
 786         fnIC.fnICDecompress  = (void*)GetProcAddress(fnIC.hModule, "ICDecompress");
 787     }
 788
 789     /* allocate memory for info structure */
 790     infoPtr = (ANIMATE_INFO *)Alloc(sizeof(ANIMATE_INFO));
 791     if (!infoPtr) {
 792         ERR("could not allocate info memory!\n");
 793         return 0;
 794     }
 795
 796     /* store crossref hWnd <-> info structure */
 797     SetWindowLongA(hWnd, 0, (DWORD)infoPtr);
 798     infoPtr->hwndSelf = hWnd;
 799     infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
 800     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 801     infoPtr->hbmPrevFrame = 0;
 802
 803     TRACE("Animate style=0x%08lx, parent=%08lx\n", GetWindowLongA(hWnd, GWL_STYLE), (DWORD)infoPtr->hwndNotify);
 804
 805     InitializeCriticalSection(&infoPtr->cs);
 806
 807     return 0;
 808 }
 809
 810
 811 static LRESULT ANIMATE_Destroy(HWND hWnd, WPARAM wParam, LPARAM lParam)
 812 {
 813     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
 814
 815
 816     /* free avi data */
 817     ANIMATE_Free(infoPtr);
 818
 819     /* free animate info data */
 820     Free(infoPtr);
 821     SetWindowLongA(hWnd, 0, 0);
 822
 823     return 0;
 824 }
 825
 826
 827 static LRESULT ANIMATE_EraseBackground(HWND hWnd, WPARAM wParam, LPARAM lParam)
 828 {
 829     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
 830     RECT rect;
 831     HBRUSH hBrush = 0;
 832
 833     if(GetWindowLongA(hWnd, GWL_STYLE) & ACS_TRANSPARENT)
 834     {
 835         hBrush = (HBRUSH)SendMessageA(infoPtr->hwndNotify,WM_CTLCOLORSTATIC,
 836                                       wParam, (LPARAM)hWnd);
 837     }
 838
 839     GetClientRect(hWnd, &rect);
 840     FillRect((HDC)wParam, &rect, hBrush ? hBrush : GetCurrentObject((HDC)wParam, OBJ_BRUSH));
 841
 842     return TRUE;
 843 }
 844
 845 static LRESULT WINAPI ANIMATE_Size(HWND hWnd, WPARAM wParam, LPARAM lParam)
 846 {
 847     if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_CENTER) {
 848         InvalidateRect(hWnd, NULL, TRUE);
 849     }
 850     return TRUE;
 851 }
 852
 853 static LRESULT WINAPI ANIMATE_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 854 {
 855     TRACE("hwnd=%p msg=%x wparam=%x lparam=%lx\n", hWnd, uMsg, wParam, lParam);
 856     if (!ANIMATE_GetInfoPtr(hWnd) && (uMsg != WM_NCCREATE))
 857         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 858     switch (uMsg)
 859     {
 860     case ACM_OPENA:
 861         return ANIMATE_OpenA(hWnd, wParam, lParam);
 862
 863         /*      case ACM_OPEN32W: FIXME!! */
 864         /*          return ANIMATE_Open32W(hWnd, wParam, lParam); */
 865
 866     case ACM_PLAY:
 867         return ANIMATE_Play(hWnd, wParam, lParam);
 868
 869     case ACM_STOP:
 870         return ANIMATE_Stop(hWnd, wParam, lParam);
 871
 872     case WM_NCCREATE:
 873         ANIMATE_Create(hWnd, wParam, lParam);
 874         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 875
 876     case WM_NCHITTEST:
 877         return HTTRANSPARENT;
 878
 879     case WM_DESTROY:
 880         ANIMATE_Destroy(hWnd, wParam, lParam);
 881         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 882
 883     case WM_ERASEBKGND:
 884         ANIMATE_EraseBackground(hWnd, wParam, lParam);
 885         break;
 886
 887     /*  case WM_STYLECHANGED: FIXME shall we do something ?? */
 888
 889     case WM_TIMER:
 890         if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_TRANSPARENT)
 891         {
 892             ANIMATE_INFO* infoPtr = ANIMATE_GetInfoPtr(hWnd);
 893             infoPtr->hbrushBG = (HBRUSH)SendMessageA(infoPtr->hwndNotify,
 894                                                      WM_CTLCOLORSTATIC,
 895                                                      wParam, (LPARAM)hWnd);
 896         }
 897         return ANIMATE_DrawFrame(ANIMATE_GetInfoPtr(hWnd));
 898
 899     case WM_CLOSE:
 900         ANIMATE_Free(ANIMATE_GetInfoPtr(hWnd));
 901         return TRUE;
 902
 903     case WM_PAINT:
 904         {
 905             ANIMATE_INFO* infoPtr = ANIMATE_GetInfoPtr(hWnd);
 906
 907             /* the animation isn't playing, or has not decompressed
 908              * (and displayed) the first frame yet, don't paint
 909              */
 910             if ((!infoPtr->uTimer && !infoPtr->hThread) ||
 911                 !infoPtr->hbmPrevFrame)
 912             {
 913                 /* default paint handling */
 914                 return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 915             }
 916
 917             if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_TRANSPARENT)
 918                 infoPtr->hbrushBG = (HBRUSH)SendMessageA(infoPtr->hwndNotify,
 919                                                          WM_CTLCOLORSTATIC,
 920                                                          wParam, (LPARAM)hWnd);
 921
 922             if (wParam)
 923             {
 924                 EnterCriticalSection(&infoPtr->cs);
 925                 ANIMATE_PaintFrame(infoPtr, (HDC)wParam);
 926                 LeaveCriticalSection(&infoPtr->cs);
 927             }
 928             else
 929             {
 930                 PAINTSTRUCT ps;
 931                 HDC hDC = BeginPaint(hWnd, &ps);
 932
 933                 EnterCriticalSection(&infoPtr->cs);
 934                 ANIMATE_PaintFrame(infoPtr, hDC);
 935                 LeaveCriticalSection(&infoPtr->cs);
 936
 937                 EndPaint(hWnd, &ps);
 938             }
 939         }
 940         break;
 941
 942     case WM_SIZE:
 943         ANIMATE_Size(hWnd, wParam, lParam);
 944         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 945
 946     default:
 947         if ((uMsg >= WM_USER) && (uMsg < WM_APP))
 948             ERR("unknown msg %04x wp=%08x lp=%08lx\n", uMsg, wParam, lParam);
 949
 950         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 951     }
 952     return 0;
 953 }
 954
 955 void ANIMATE_Register(void)
 956 {
 957     WNDCLASSA wndClass;
 958
 959     ZeroMemory(&wndClass, sizeof(WNDCLASSA));
 960     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS;
 961     wndClass.lpfnWndProc   = (WNDPROC)ANIMATE_WindowProc;
 962     wndClass.cbClsExtra    = 0;
 963     wndClass.cbWndExtra    = sizeof(ANIMATE_INFO *);
 964     wndClass.hCursor       = LoadCursorA(0, (LPSTR)IDC_ARROW);
 965     wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
 966     wndClass.lpszClassName = ANIMATE_CLASSA;
 967
 968     RegisterClassA(&wndClass);
 969 }
 970
 971
 972 void ANIMATE_Unregister(void)
 973 {
 974     UnregisterClassA(ANIMATE_CLASSA, NULL);
 975 }