dlls/comctl32/animate.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2 /*
   3  * Animation control
   4  *
   5  * Copyright 1998, 1999 Eric Kohl
   6  * Copyright 1999 Eric Pouech
   7  * Copyright 2005 Dimitrie O. Paun
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  *
  23  * NOTES
  24  *
  25  * This code was audited for completeness against the documented features
  26  * of Comctl32.dll version 6.0 on Mar. 15, 2005, by Dimitrie O. Paun.
  27  *
  28  * Unless otherwise noted, we believe this code to be complete, as per
  29  * the specification mentioned above.
  30  * If you discover missing features, or bugs, please note them below.
  31  *
  32  * TODO:
  33  *   - check for the 'rec ' list in some AVI files
  34  */
  35
  36 #include <stdarg.h>
  37 #include <string.h>
  38 #include "windef.h"
  39 #include "winbase.h"
  40 #include "wingdi.h"
  41 #include "winuser.h"
  42 #include "winnls.h"
  43 #include "commctrl.h"
  44 #include "vfw.h"
  45 #include "mmsystem.h"
  46 #include "comctl32.h"
  47 #include "wine/debug.h"
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(animate);
  50
  51 static struct {
  52     HMODULE     hModule;
  53     HIC         (WINAPI *fnICOpen)(DWORD, DWORD, UINT);
  54     LRESULT     (WINAPI *fnICClose)(HIC);
  55     LRESULT     (WINAPI *fnICSendMessage)(HIC, UINT, DWORD_PTR, DWORD_PTR);
  56     DWORD       (WINAPIV *fnICDecompress)(HIC,DWORD,LPBITMAPINFOHEADER,LPVOID,LPBITMAPINFOHEADER,LPVOID);
  57 } fnIC;
  58
  59 typedef struct
  60 {
  61    /* reference to input stream (file or resource) */
  62    HGLOBAL              hRes;
  63    HMMIO                hMMio;  /* handle to mmio stream */
  64    HWND                 hwndSelf;
  65    HWND                 hwndNotify;
  66    DWORD                dwStyle;
  67    /* information on the loaded AVI file */
  68    MainAVIHeader        mah;
  69    AVIStreamHeader      ash;
  70    LPBITMAPINFOHEADER   inbih;
  71    LPDWORD              lpIndex;
  72    /* data for the decompressor */
  73    HIC                  hic;
  74    LPBITMAPINFOHEADER   outbih;
  75    LPVOID               indata;
  76    LPVOID               outdata;
  77    /* data for the background mechanism */
  78    CRITICAL_SECTION     cs;
  79    HANDLE               hStopEvent;
  80    HANDLE               hThread;
  81    DWORD                threadId;
  82    UINT                 uTimer;
  83    /* data for playing the file */
  84    int                  nFromFrame;
  85    int                  nToFrame;
  86    int                  nLoop;
  87    int                  currFrame;
  88    /* tranparency info*/
  89    COLORREF             transparentColor;
  90    HBRUSH               hbrushBG;
  91    HBITMAP              hbmPrevFrame;
  92 } ANIMATE_INFO;
  93
  94 #define ANIMATE_COLOR_NONE      0xffffffff
  95
  96 static void ANIMATE_Notify(const ANIMATE_INFO *infoPtr, UINT notif)
  97 {
  98     SendMessageW(infoPtr->hwndNotify, WM_COMMAND,
  99                  MAKEWPARAM(GetDlgCtrlID(infoPtr->hwndSelf), notif),
 100                  (LPARAM)infoPtr->hwndSelf);
 101 }
 102
 103 static BOOL ANIMATE_LoadResW(ANIMATE_INFO *infoPtr, HINSTANCE hInst, LPCWSTR lpName)
 104 {
 105     static const WCHAR aviW[] = { 'A', 'V', 'I', 0 };
 106     HRSRC       hrsrc;
 107     MMIOINFO    mminfo;
 108     LPVOID      lpAvi;
 109
 110     hrsrc = FindResourceW(hInst, lpName, aviW);
 111     if (!hrsrc)
 112         return FALSE;
 113
 114     infoPtr->hRes = LoadResource(hInst, hrsrc);
 115     if (!infoPtr->hRes)
 116         return FALSE;
 117
 118     lpAvi = LockResource(infoPtr->hRes);
 119     if (!lpAvi)
 120         return FALSE;
 121
 122     memset(&mminfo, 0, sizeof(mminfo));
 123     mminfo.fccIOProc = FOURCC_MEM;
 124     mminfo.pchBuffer = (LPSTR)lpAvi;
 125     mminfo.cchBuffer = SizeofResource(hInst, hrsrc);
 126     infoPtr->hMMio = mmioOpenW(NULL, &mminfo, MMIO_READ);
 127     if (!infoPtr->hMMio)
 128     {
 129         FreeResource(infoPtr->hRes);
 130         return FALSE;
 131     }
 132
 133     return TRUE;
 134 }
 135
 136
 137 static BOOL ANIMATE_LoadFileW(ANIMATE_INFO *infoPtr, LPWSTR lpName)
 138 {
 139     infoPtr->hMMio = mmioOpenW(lpName, 0, MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
 140
 141     if(!infoPtr->hMMio) return FALSE;
 142     return TRUE;
 143 }
 144
 145
 146 static BOOL ANIMATE_DoStop(ANIMATE_INFO *infoPtr)
 147 {
 148     EnterCriticalSection(&infoPtr->cs);
 149
 150     /* should stop playing */
 151     if (infoPtr->hThread)
 152     {
 153         HANDLE handle = infoPtr->hThread;
 154
 155         TRACE("stopping animation thread\n");
 156         infoPtr->hThread = 0;
 157         SetEvent( infoPtr->hStopEvent );
 158
 159         if (infoPtr->threadId != GetCurrentThreadId())
 160         {
 161             LeaveCriticalSection(&infoPtr->cs);  /* leave it a chance to run */
 162             WaitForSingleObject( handle, INFINITE );
 163             TRACE("animation thread stopped\n");
 164             EnterCriticalSection(&infoPtr->cs);
 165         }
 166
 167         CloseHandle( handle );
 168         CloseHandle( infoPtr->hStopEvent );
 169         infoPtr->hStopEvent = 0;
 170     }
 171     if (infoPtr->uTimer) {
 172         KillTimer(infoPtr->hwndSelf, infoPtr->uTimer);
 173         infoPtr->uTimer = 0;
 174     }
 175
 176     LeaveCriticalSection(&infoPtr->cs);
 177
 178     ANIMATE_Notify(infoPtr, ACN_STOP);
 179
 180     return TRUE;
 181 }
 182
 183
 184 static void ANIMATE_Free(ANIMATE_INFO *infoPtr)
 185 {
 186     if (infoPtr->hMMio) {
 187         ANIMATE_DoStop(infoPtr);
 188         mmioClose(infoPtr->hMMio, 0);
 189         if (infoPtr->hRes) {
 190             FreeResource(infoPtr->hRes);
 191             infoPtr->hRes = 0;
 192         }
 193         Free (infoPtr->lpIndex);
 194         infoPtr->lpIndex = NULL;
 195         if (infoPtr->hic) {
 196             fnIC.fnICClose(infoPtr->hic);
 197             infoPtr->hic = 0;
 198         }
 199         Free (infoPtr->inbih);
 200         infoPtr->inbih = NULL;
 201         Free (infoPtr->outbih);
 202         infoPtr->outbih = NULL;
 203         Free (infoPtr->indata);
 204         infoPtr->indata = NULL;
 205         Free (infoPtr->outdata);
 206         infoPtr->outdata = NULL;
 207         if( infoPtr->hbmPrevFrame )
 208         {
 209             DeleteObject(infoPtr->hbmPrevFrame);
 210             infoPtr->hbmPrevFrame = 0;
 211         }
 212
 213         memset(&infoPtr->mah, 0, sizeof(infoPtr->mah));
 214         memset(&infoPtr->ash, 0, sizeof(infoPtr->ash));
 215         infoPtr->nFromFrame = infoPtr->nToFrame = infoPtr->nLoop = infoPtr->currFrame = 0;
 216     }
 217     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 218 }
 219
 220 static void ANIMATE_TransparentBlt(ANIMATE_INFO const *infoPtr, HDC hdcDest, HDC hdcSource)
 221 {
 222     HDC hdcMask;
 223     HBITMAP hbmMask;
 224     HBITMAP hbmOld;
 225
 226     /* create a transparency mask */
 227     hdcMask = CreateCompatibleDC(hdcDest);
 228     hbmMask = CreateBitmap(infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, 1,1,NULL);
 229     hbmOld = SelectObject(hdcMask, hbmMask);
 230
 231     SetBkColor(hdcSource,infoPtr->transparentColor);
 232     BitBlt(hdcMask,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCCOPY);
 233
 234     /* mask the source bitmap */
 235     SetBkColor(hdcSource, RGB(0,0,0));
 236     SetTextColor(hdcSource, RGB(255,255,255));
 237     BitBlt(hdcSource, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 238
 239     /* mask the destination bitmap */
 240     SetBkColor(hdcDest, RGB(255,255,255));
 241     SetTextColor(hdcDest, RGB(0,0,0));
 242     BitBlt(hdcDest, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 243
 244     /* combine source and destination */
 245     BitBlt(hdcDest,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCPAINT);
 246
 247     SelectObject(hdcMask, hbmOld);
 248     DeleteObject(hbmMask);
 249     DeleteDC(hdcMask);
 250 }
 251
 252 static BOOL ANIMATE_PaintFrame(ANIMATE_INFO* infoPtr, HDC hDC)
 253 {
 254     void const *pBitmapData;
 255     BITMAPINFO const *pBitmapInfo;
 256     HDC hdcMem;
 257     HBITMAP hbmOld;
 258     int nOffsetX = 0;
 259     int nOffsetY = 0;
 260     int nWidth;
 261     int nHeight;
 262
 263     if (!hDC || !infoPtr->inbih)
 264         return TRUE;
 265
 266     if (infoPtr->hic )
 267     {
 268         pBitmapData = infoPtr->outdata;
 269         pBitmapInfo = (LPBITMAPINFO)infoPtr->outbih;
 270
 271         nWidth = infoPtr->outbih->biWidth;
 272         nHeight = infoPtr->outbih->biHeight;
 273     }
 274     else
 275     {
 276         pBitmapData = infoPtr->indata;
 277         pBitmapInfo = (LPBITMAPINFO)infoPtr->inbih;
 278
 279         nWidth = infoPtr->inbih->biWidth;
 280         nHeight = infoPtr->inbih->biHeight;
 281     }
 282
 283     if(!infoPtr->hbmPrevFrame)
 284     {
 285         infoPtr->hbmPrevFrame=CreateCompatibleBitmap(hDC, nWidth,nHeight );
 286     }
 287
 288     hdcMem = CreateCompatibleDC(hDC);
 289     hbmOld = SelectObject(hdcMem, infoPtr->hbmPrevFrame);
 290
 291     SetDIBits(hdcMem, infoPtr->hbmPrevFrame, 0, nHeight, pBitmapData, pBitmapInfo, DIB_RGB_COLORS);
 292
 293     /*
 294      * we need to get the transparent color even without ACS_TRANSPARENT,
 295      * because the style can be changed later on and the color should always
 296      * be obtained in the first frame
 297      */
 298     if(infoPtr->transparentColor == ANIMATE_COLOR_NONE)
 299     {
 300         infoPtr->transparentColor = GetPixel(hdcMem,0,0);
 301     }
 302
 303     if(infoPtr->dwStyle & ACS_TRANSPARENT)
 304     {
 305         HDC hdcFinal = CreateCompatibleDC(hDC);
 306         HBITMAP hbmFinal = CreateCompatibleBitmap(hDC,nWidth, nHeight);
 307         HBITMAP hbmOld2 = SelectObject(hdcFinal, hbmFinal);
 308         RECT rect;
 309
 310         rect.left = 0;
 311         rect.top = 0;
 312         rect.right = nWidth;
 313         rect.bottom = nHeight;
 314
 315         if(!infoPtr->hbrushBG)
 316             infoPtr->hbrushBG = GetCurrentObject(hDC, OBJ_BRUSH);
 317
 318         FillRect(hdcFinal, &rect, infoPtr->hbrushBG);
 319         ANIMATE_TransparentBlt(infoPtr, hdcFinal, hdcMem);
 320
 321         SelectObject(hdcFinal, hbmOld2);
 322         SelectObject(hdcMem, hbmFinal);
 323         DeleteDC(hdcFinal);
 324         DeleteObject(infoPtr->hbmPrevFrame);
 325         infoPtr->hbmPrevFrame = hbmFinal;
 326     }
 327
 328     if (infoPtr->dwStyle & ACS_CENTER)
 329     {
 330         RECT rect;
 331
 332         GetWindowRect(infoPtr->hwndSelf, &rect);
 333         nOffsetX = ((rect.right - rect.left) - nWidth)/2;
 334         nOffsetY = ((rect.bottom - rect.top) - nHeight)/2;
 335     }
 336     BitBlt(hDC, nOffsetX, nOffsetY, nWidth, nHeight, hdcMem, 0, 0, SRCCOPY);
 337
 338     SelectObject(hdcMem, hbmOld);
 339     DeleteDC(hdcMem);
 340     return TRUE;
 341 }
 342
 343 static BOOL ANIMATE_DrawFrame(ANIMATE_INFO *infoPtr)
 344 {
 345     HDC         hDC;
 346
 347     TRACE("Drawing frame %d (loop %d)\n", infoPtr->currFrame, infoPtr->nLoop);
 348
 349     mmioSeek(infoPtr->hMMio, infoPtr->lpIndex[infoPtr->currFrame], SEEK_SET);
 350     mmioRead(infoPtr->hMMio, infoPtr->indata, infoPtr->ash.dwSuggestedBufferSize);
 351
 352     if (infoPtr->hic &&
 353         fnIC.fnICDecompress(infoPtr->hic, 0, infoPtr->inbih, infoPtr->indata,
 354                      infoPtr->outbih, infoPtr->outdata) != ICERR_OK) {
 355         WARN("Decompression error\n");
 356         return FALSE;
 357     }
 358
 359     if ((hDC = GetDC(infoPtr->hwndSelf)) != 0) {
 360         ANIMATE_PaintFrame(infoPtr, hDC);
 361         ReleaseDC(infoPtr->hwndSelf, hDC);
 362     }
 363
 364     if (infoPtr->currFrame++ >= infoPtr->nToFrame) {
 365         infoPtr->currFrame = infoPtr->nFromFrame;
 366         if (infoPtr->nLoop != -1) {
 367             if (--infoPtr->nLoop == 0) {
 368                 ANIMATE_DoStop(infoPtr);
 369             }
 370         }
 371     }
 372
 373     return TRUE;
 374 }
 375
 376 static LRESULT ANIMATE_Timer(ANIMATE_INFO *infoPtr)
 377 {
 378    /* FIXME: we should pass the hDC instead of 0 to WM_CTLCOLORSTATIC */
 379    if (infoPtr->dwStyle & ACS_TRANSPARENT)
 380         infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
 381                                                  WM_CTLCOLORSTATIC,
 382                                                  0, (LPARAM)infoPtr->hwndSelf);
 383     EnterCriticalSection(&infoPtr->cs);
 384     ANIMATE_DrawFrame(infoPtr);
 385     LeaveCriticalSection(&infoPtr->cs);
 386
 387     return 0;
 388 }
 389
 390 static DWORD CALLBACK ANIMATE_AnimationThread(LPVOID ptr_)
 391 {
 392     ANIMATE_INFO *infoPtr = (ANIMATE_INFO *)ptr_;
 393     HANDLE event;
 394     DWORD timeout;
 395
 396     while(1)
 397     {
 398         EnterCriticalSection(&infoPtr->cs);
 399         ANIMATE_DrawFrame(infoPtr);
 400         timeout = infoPtr->mah.dwMicroSecPerFrame;
 401         event = infoPtr->hStopEvent;
 402         LeaveCriticalSection(&infoPtr->cs);
 403
 404         /* time is in microseconds, we should convert it to milliseconds */
 405         if ((event == 0) || WaitForSingleObject( event, (timeout+500)/1000) == WAIT_OBJECT_0)
 406             break;
 407     }
 408     return TRUE;
 409 }
 410
 411 static LRESULT ANIMATE_Play(ANIMATE_INFO *infoPtr, UINT cRepeat, WORD wFrom, WORD wTo)
 412 {
 413     /* nothing opened */
 414     if (!infoPtr->hMMio)
 415         return FALSE;
 416
 417     if (infoPtr->hThread || infoPtr->uTimer) {
 418         TRACE("Already playing\n");
 419         return TRUE;
 420     }
 421
 422     infoPtr->nFromFrame = wFrom;
 423     infoPtr->nToFrame   = wTo;
 424     infoPtr->nLoop      = cRepeat;
 425
 426     if (infoPtr->nToFrame == 0xFFFF)
 427         infoPtr->nToFrame = infoPtr->mah.dwTotalFrames - 1;
 428
 429     TRACE("(repeat=%d from=%d to=%d);\n",
 430           infoPtr->nLoop, infoPtr->nFromFrame, infoPtr->nToFrame);
 431
 432     if (infoPtr->nFromFrame >= infoPtr->nToFrame ||
 433         infoPtr->nToFrame >= infoPtr->mah.dwTotalFrames)
 434         return FALSE;
 435
 436     infoPtr->currFrame = infoPtr->nFromFrame;
 437
 438     if (infoPtr->dwStyle & ACS_TIMER)
 439     {
 440         TRACE("Using a timer\n");
 441         /* create a timer to display AVI */
 442         infoPtr->uTimer = SetTimer(infoPtr->hwndSelf, 1,
 443                                    infoPtr->mah.dwMicroSecPerFrame / 1000, NULL);
 444     }
 445     else
 446     {
 447         if(infoPtr->dwStyle & ACS_TRANSPARENT)
 448             infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
 449                                                      WM_CTLCOLORSTATIC, 0,
 450                                                      (LPARAM)infoPtr->hwndSelf);
 451
 452         TRACE("Using an animation thread\n");
 453         infoPtr->hStopEvent = CreateEventW( NULL, TRUE, FALSE, NULL );
 454         infoPtr->hThread = CreateThread(0, 0, ANIMATE_AnimationThread,
 455                                         (LPVOID)infoPtr, 0, &infoPtr->threadId);
 456         if(!infoPtr->hThread) return FALSE;
 457
 458     }
 459
 460     ANIMATE_Notify(infoPtr, ACN_START);
 461
 462     return TRUE;
 463 }
 464
 465
 466 static BOOL ANIMATE_GetAviInfo(ANIMATE_INFO *infoPtr)
 467 {
 468     MMCKINFO            ckMainRIFF;
 469     MMCKINFO            mmckHead;
 470     MMCKINFO            mmckList;
 471     MMCKINFO            mmckInfo;
 472     DWORD               numFrame;
 473     DWORD               insize;
 474
 475     if (mmioDescend(infoPtr->hMMio, &ckMainRIFF, NULL, 0) != 0) {
 476         WARN("Can't find 'RIFF' chunk\n");
 477         return FALSE;
 478     }
 479
 480     if ((ckMainRIFF.ckid != FOURCC_RIFF) ||
 481         (ckMainRIFF.fccType != mmioFOURCC('A', 'V', 'I', ' '))) {
 482         WARN("Can't find 'AVI ' chunk\n");
 483         return FALSE;
 484     }
 485
 486     mmckHead.fccType = mmioFOURCC('h', 'd', 'r', 'l');
 487     if (mmioDescend(infoPtr->hMMio, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 488         WARN("Can't find 'hdrl' list\n");
 489         return FALSE;
 490     }
 491
 492     mmckInfo.ckid = mmioFOURCC('a', 'v', 'i', 'h');
 493     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
 494         WARN("Can't find 'avih' chunk\n");
 495         return FALSE;
 496     }
 497
 498     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->mah, sizeof(infoPtr->mah));
 499
 500     TRACE("mah.dwMicroSecPerFrame=%d\n",        infoPtr->mah.dwMicroSecPerFrame);
 501     TRACE("mah.dwMaxBytesPerSec=%d\n",          infoPtr->mah.dwMaxBytesPerSec);
 502     TRACE("mah.dwPaddingGranularity=%d\n",      infoPtr->mah.dwPaddingGranularity);
 503     TRACE("mah.dwFlags=%d\n",                   infoPtr->mah.dwFlags);
 504     TRACE("mah.dwTotalFrames=%d\n",             infoPtr->mah.dwTotalFrames);
 505     TRACE("mah.dwInitialFrames=%d\n",           infoPtr->mah.dwInitialFrames);
 506     TRACE("mah.dwStreams=%d\n",                 infoPtr->mah.dwStreams);
 507     TRACE("mah.dwSuggestedBufferSize=%d\n",     infoPtr->mah.dwSuggestedBufferSize);
 508     TRACE("mah.dwWidth=%d\n",                   infoPtr->mah.dwWidth);
 509     TRACE("mah.dwHeight=%d\n",                  infoPtr->mah.dwHeight);
 510
 511     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 512
 513     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 514     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) != 0) {
 515         WARN("Can't find 'strl' list\n");
 516         return FALSE;
 517     }
 518
 519     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'h');
 520     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 521         WARN("Can't find 'strh' chunk\n");
 522         return FALSE;
 523     }
 524
 525     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->ash, sizeof(infoPtr->ash));
 526
 527     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(infoPtr->ash.fccType)),
 528                                                 HIBYTE(LOWORD(infoPtr->ash.fccType)),
 529                                                 LOBYTE(HIWORD(infoPtr->ash.fccType)),
 530                                                 HIBYTE(HIWORD(infoPtr->ash.fccType)));
 531     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(infoPtr->ash.fccHandler)),
 532                                                 HIBYTE(LOWORD(infoPtr->ash.fccHandler)),
 533                                                 LOBYTE(HIWORD(infoPtr->ash.fccHandler)),
 534                                                 HIBYTE(HIWORD(infoPtr->ash.fccHandler)));
 535     TRACE("ash.dwFlags=%d\n",                   infoPtr->ash.dwFlags);
 536     TRACE("ash.wPriority=%d\n",                 infoPtr->ash.wPriority);
 537     TRACE("ash.wLanguage=%d\n",                 infoPtr->ash.wLanguage);
 538     TRACE("ash.dwInitialFrames=%d\n",           infoPtr->ash.dwInitialFrames);
 539     TRACE("ash.dwScale=%d\n",                   infoPtr->ash.dwScale);
 540     TRACE("ash.dwRate=%d\n",                    infoPtr->ash.dwRate);
 541     TRACE("ash.dwStart=%d\n",                   infoPtr->ash.dwStart);
 542     TRACE("ash.dwLength=%d\n",                  infoPtr->ash.dwLength);
 543     TRACE("ash.dwSuggestedBufferSize=%d\n",     infoPtr->ash.dwSuggestedBufferSize);
 544     TRACE("ash.dwQuality=%d\n",                 infoPtr->ash.dwQuality);
 545     TRACE("ash.dwSampleSize=%d\n",              infoPtr->ash.dwSampleSize);
 546     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        infoPtr->ash.rcFrame.top, infoPtr->ash.rcFrame.left,
 547           infoPtr->ash.rcFrame.bottom, infoPtr->ash.rcFrame.right);
 548
 549     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 550
 551     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'f');
 552     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 553         WARN("Can't find 'strh' chunk\n");
 554         return FALSE;
 555     }
 556
 557     infoPtr->inbih = Alloc(mmckInfo.cksize);
 558     if (!infoPtr->inbih) {
 559         WARN("Can't alloc input BIH\n");
 560         return FALSE;
 561     }
 562
 563     mmioRead(infoPtr->hMMio, (LPSTR)infoPtr->inbih, mmckInfo.cksize);
 564
 565     TRACE("bih.biSize=%d\n",            infoPtr->inbih->biSize);
 566     TRACE("bih.biWidth=%d\n",           infoPtr->inbih->biWidth);
 567     TRACE("bih.biHeight=%d\n",          infoPtr->inbih->biHeight);
 568     TRACE("bih.biPlanes=%d\n",          infoPtr->inbih->biPlanes);
 569     TRACE("bih.biBitCount=%d\n",        infoPtr->inbih->biBitCount);
 570     TRACE("bih.biCompression=%d\n",     infoPtr->inbih->biCompression);
 571     TRACE("bih.biSizeImage=%d\n",       infoPtr->inbih->biSizeImage);
 572     TRACE("bih.biXPelsPerMeter=%d\n",   infoPtr->inbih->biXPelsPerMeter);
 573     TRACE("bih.biYPelsPerMeter=%d\n",   infoPtr->inbih->biYPelsPerMeter);
 574     TRACE("bih.biClrUsed=%d\n",         infoPtr->inbih->biClrUsed);
 575     TRACE("bih.biClrImportant=%d\n",    infoPtr->inbih->biClrImportant);
 576
 577     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 578
 579     mmioAscend(infoPtr->hMMio, &mmckList, 0);
 580
 581 #if 0
 582     /* an AVI has 0 or 1 video stream, and to be animated should not contain
 583      * an audio stream, so only one strl is allowed
 584      */
 585     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 586     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) == 0) {
 587         WARN("There should be a single 'strl' list\n");
 588         return FALSE;
 589     }
 590 #endif
 591
 592     mmioAscend(infoPtr->hMMio, &mmckHead, 0);
 593
 594     /* no need to read optional JUNK chunk */
 595
 596     mmckList.fccType = mmioFOURCC('m', 'o', 'v', 'i');
 597     if (mmioDescend(infoPtr->hMMio, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 598         WARN("Can't find 'movi' list\n");
 599         return FALSE;
 600     }
 601
 602     /* FIXME: should handle the 'rec ' LIST when present */
 603
 604     infoPtr->lpIndex = Alloc(infoPtr->mah.dwTotalFrames * sizeof(DWORD));
 605     if (!infoPtr->lpIndex)
 606         return FALSE;
 607
 608     numFrame = insize = 0;
 609     while (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, 0) == 0 &&
 610            numFrame < infoPtr->mah.dwTotalFrames) {
 611         infoPtr->lpIndex[numFrame] = mmckInfo.dwDataOffset;
 612         if (insize < mmckInfo.cksize)
 613             insize = mmckInfo.cksize;
 614         numFrame++;
 615         mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 616     }
 617     if (numFrame != infoPtr->mah.dwTotalFrames) {
 618         WARN("Found %d frames (/%d)\n", numFrame, infoPtr->mah.dwTotalFrames);
 619         return FALSE;
 620     }
 621     if (insize > infoPtr->ash.dwSuggestedBufferSize) {
 622         WARN("insize=%d suggestedSize=%d\n", insize, infoPtr->ash.dwSuggestedBufferSize);
 623         infoPtr->ash.dwSuggestedBufferSize = insize;
 624     }
 625
 626     infoPtr->indata = Alloc(infoPtr->ash.dwSuggestedBufferSize);
 627     if (!infoPtr->indata)
 628         return FALSE;
 629
 630     return TRUE;
 631 }
 632
 633
 634 static BOOL ANIMATE_GetAviCodec(ANIMATE_INFO *infoPtr)
 635 {
 636     DWORD       outSize;
 637
 638     /* check uncompressed AVI */
 639     if ((infoPtr->ash.fccHandler == mmioFOURCC('D', 'I', 'B', ' ')) ||
 640        (infoPtr->ash.fccHandler == mmioFOURCC('R', 'L', 'E', ' ')) ||
 641        (infoPtr->ash.fccHandler == mmioFOURCC(0, 0, 0, 0)))
 642     {
 643         infoPtr->hic = 0;
 644         return TRUE;
 645     }
 646
 647     /* try to get a decompressor for that type */
 648     infoPtr->hic = fnIC.fnICOpen(ICTYPE_VIDEO, infoPtr->ash.fccHandler, ICMODE_DECOMPRESS);
 649     if (!infoPtr->hic) {
 650         WARN("Can't load codec for the file\n");
 651         return FALSE;
 652     }
 653
 654     outSize = fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 655                             (DWORD_PTR)infoPtr->inbih, 0L);
 656
 657     infoPtr->outbih = Alloc(outSize);
 658     if (!infoPtr->outbih)
 659         return FALSE;
 660
 661     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 662                       (DWORD_PTR)infoPtr->inbih, (DWORD_PTR)infoPtr->outbih) != ICERR_OK)
 663     {
 664         WARN("Can't get output BIH\n");
 665         return FALSE;
 666     }
 667
 668     infoPtr->outdata = Alloc(infoPtr->outbih->biSizeImage);
 669     if (!infoPtr->outdata)
 670         return FALSE;
 671
 672     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_BEGIN,
 673                       (DWORD_PTR)infoPtr->inbih, (DWORD_PTR)infoPtr->outbih) != ICERR_OK) {
 674         WARN("Can't begin decompression\n");
 675         return FALSE;
 676     }
 677
 678     return TRUE;
 679 }
 680
 681
 682 static BOOL ANIMATE_OpenW(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPWSTR lpszName)
 683 {
 684     ANIMATE_Free(infoPtr);
 685
 686     if (!lpszName)
 687     {
 688         TRACE("Closing avi!\n");
 689         /* installer of thebat! v1.62 requires FALSE here */
 690         return (infoPtr->hMMio != 0);
 691     }
 692
 693     if (!hInstance)
 694         hInstance = (HINSTANCE)GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_HINSTANCE);
 695
 696     TRACE("(%s)\n", debugstr_w(lpszName));
 697
 698     if (HIWORD(lpszName))
 699     {
 700         if (!ANIMATE_LoadResW(infoPtr, hInstance, lpszName))
 701         {
 702             TRACE("No AVI resource found!\n");
 703             if (!ANIMATE_LoadFileW(infoPtr, lpszName))
 704             {
 705                 WARN("No AVI file found!\n");
 706                 return FALSE;
 707             }
 708         }
 709     }
 710     else
 711     {
 712         if (!ANIMATE_LoadResW(infoPtr, hInstance, lpszName))
 713         {
 714             WARN("No AVI resource found!\n");
 715             return FALSE;
 716         }
 717     }
 718
 719     if (!ANIMATE_GetAviInfo(infoPtr))
 720     {
 721         WARN("Can't get AVI information\n");
 722         ANIMATE_Free(infoPtr);
 723         return FALSE;
 724     }
 725
 726     if (!ANIMATE_GetAviCodec(infoPtr))
 727     {
 728         WARN("Can't get AVI Codec\n");
 729         ANIMATE_Free(infoPtr);
 730         return FALSE;
 731     }
 732
 733     if (!(infoPtr->dwStyle & ACS_CENTER))
 734         SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, infoPtr->mah.dwWidth, infoPtr->mah.dwHeight,
 735                      SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
 736
 737     if (infoPtr->dwStyle & ACS_AUTOPLAY)
 738         return ANIMATE_Play(infoPtr, -1, 0, infoPtr->mah.dwTotalFrames - 1);
 739
 740     return TRUE;
 741 }
 742
 743
 744 static BOOL ANIMATE_OpenA(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPSTR lpszName)
 745 {
 746     LPWSTR lpwszName;
 747     LRESULT result;
 748     INT len;
 749
 750     if (!HIWORD(lpszName))
 751         return ANIMATE_OpenW(infoPtr, hInstance, (LPWSTR)lpszName);
 752
 753     len = MultiByteToWideChar(CP_ACP, 0, lpszName, -1, NULL, 0);
 754     lpwszName = Alloc(len * sizeof(WCHAR));
 755     if (!lpwszName) return FALSE;
 756     MultiByteToWideChar(CP_ACP, 0, lpszName, -1, lpwszName, len);
 757
 758     result = ANIMATE_OpenW(infoPtr, hInstance, lpwszName);
 759     Free (lpwszName);
 760     return result;
 761 }
 762
 763
 764 static BOOL ANIMATE_Stop(ANIMATE_INFO *infoPtr)
 765 {
 766     /* nothing opened */
 767     if (!infoPtr->hMMio)
 768         return FALSE;
 769
 770     ANIMATE_DoStop(infoPtr);
 771     return TRUE;
 772 }
 773
 774
 775 static BOOL ANIMATE_Create(HWND hWnd, const CREATESTRUCTW *lpcs)
 776 {
 777     static const WCHAR msvfw32W[] = { 'm', 's', 'v', 'f', 'w', '3', '2', '.', 'd', 'l', 'l', 0 };
 778     ANIMATE_INFO *infoPtr;
 779
 780     if (!fnIC.hModule)
 781     {
 782         fnIC.hModule = LoadLibraryW(msvfw32W);
 783         if (!fnIC.hModule) return FALSE;
 784
 785         fnIC.fnICOpen        = (void*)GetProcAddress(fnIC.hModule, "ICOpen");
 786         fnIC.fnICClose       = (void*)GetProcAddress(fnIC.hModule, "ICClose");
 787         fnIC.fnICSendMessage = (void*)GetProcAddress(fnIC.hModule, "ICSendMessage");
 788         fnIC.fnICDecompress  = (void*)GetProcAddress(fnIC.hModule, "ICDecompress");
 789     }
 790
 791     /* allocate memory for info structure */
 792     infoPtr = (ANIMATE_INFO *)Alloc(sizeof(ANIMATE_INFO));
 793     if (!infoPtr) return FALSE;
 794
 795     /* store crossref hWnd <-> info structure */
 796     SetWindowLongPtrW(hWnd, 0, (DWORD_PTR)infoPtr);
 797     infoPtr->hwndSelf = hWnd;
 798     infoPtr->hwndNotify = lpcs->hwndParent;
 799     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 800     infoPtr->hbmPrevFrame = 0;
 801     infoPtr->dwStyle = lpcs->style;
 802
 803     TRACE("Animate style=0x%08x, parent=%p\n", infoPtr->dwStyle, infoPtr->hwndNotify);
 804
 805     InitializeCriticalSection(&infoPtr->cs);
 806     infoPtr->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ANIMATE_INFO*->cs");
 807
 808     return TRUE;
 809 }
 810
 811
 812 static LRESULT ANIMATE_Destroy(ANIMATE_INFO *infoPtr)
 813 {
 814     /* free avi data */
 815     ANIMATE_Free(infoPtr);
 816
 817     /* free animate info data */
 818     SetWindowLongPtrW(infoPtr->hwndSelf, 0, 0);
 819
 820     infoPtr->cs.DebugInfo->Spare[0] = 0;
 821     DeleteCriticalSection(&infoPtr->cs);
 822     Free(infoPtr);
 823
 824     return 0;
 825 }
 826
 827
 828 static BOOL ANIMATE_EraseBackground(ANIMATE_INFO const *infoPtr, HDC hdc)
 829 {
 830     RECT rect;
 831     HBRUSH hBrush = 0;
 832
 833     if(infoPtr->dwStyle & ACS_TRANSPARENT)
 834     {
 835         hBrush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLORSTATIC,
 836                                       (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
 837     }
 838
 839     GetClientRect(infoPtr->hwndSelf, &rect);
 840     FillRect(hdc, &rect, hBrush ? hBrush : GetCurrentObject(hdc, OBJ_BRUSH));
 841
 842     return TRUE;
 843 }
 844
 845
 846 static LRESULT ANIMATE_StyleChanged(ANIMATE_INFO *infoPtr, WPARAM wStyleType, const STYLESTRUCT *lpss)
 847 {
 848     TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
 849           wStyleType, lpss->styleOld, lpss->styleNew);
 850
 851     if (wStyleType != GWL_STYLE) return 0;
 852
 853     infoPtr->dwStyle = lpss->styleNew;
 854
 855     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 856     return 0;
 857 }
 858
 859
 860 static LRESULT WINAPI ANIMATE_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 861 {
 862     ANIMATE_INFO *infoPtr = (ANIMATE_INFO *)GetWindowLongPtrW(hWnd, 0);
 863
 864     TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n", hWnd, uMsg, wParam, lParam);
 865     if (!infoPtr && (uMsg != WM_NCCREATE))
 866         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 867     switch (uMsg)
 868     {
 869     case ACM_OPENA:
 870         return ANIMATE_OpenA(infoPtr, (HINSTANCE)wParam, (LPSTR)lParam);
 871
 872     case ACM_OPENW:
 873         return ANIMATE_OpenW(infoPtr, (HINSTANCE)wParam, (LPWSTR)lParam);
 874
 875     case ACM_PLAY:
 876         return ANIMATE_Play(infoPtr, (INT)wParam, LOWORD(lParam), HIWORD(lParam));
 877
 878     case ACM_STOP:
 879         return ANIMATE_Stop(infoPtr);
 880
 881     case WM_CLOSE:
 882         ANIMATE_Free(infoPtr);
 883         return 0;
 884
 885     case WM_NCCREATE:
 886         return ANIMATE_Create(hWnd, (LPCREATESTRUCTW)lParam);
 887
 888     case WM_NCHITTEST:
 889         return HTTRANSPARENT;
 890
 891     case WM_DESTROY:
 892         return ANIMATE_Destroy(infoPtr);
 893
 894     case WM_ERASEBKGND:
 895         return ANIMATE_EraseBackground(infoPtr, (HDC)wParam);
 896
 897     case WM_STYLECHANGED:
 898         return ANIMATE_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
 899
 900     case WM_TIMER:
 901         return ANIMATE_Timer(infoPtr);
 902
 903     case WM_PRINTCLIENT:
 904     case WM_PAINT:
 905         {
 906             /* the animation isn't playing, or has not decompressed
 907              * (and displayed) the first frame yet, don't paint
 908              */
 909             if ((!infoPtr->uTimer && !infoPtr->hThread) ||
 910                 !infoPtr->hbmPrevFrame)
 911             {
 912                 /* default paint handling */
 913                 return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 914             }
 915
 916             if (infoPtr->dwStyle & ACS_TRANSPARENT)
 917                 infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
 918                                                          WM_CTLCOLORSTATIC,
 919                                                          wParam, (LPARAM)infoPtr->hwndSelf);
 920
 921             if (wParam)
 922             {
 923                 EnterCriticalSection(&infoPtr->cs);
 924                 ANIMATE_PaintFrame(infoPtr, (HDC)wParam);
 925                 LeaveCriticalSection(&infoPtr->cs);
 926             }
 927             else
 928             {
 929                 PAINTSTRUCT ps;
 930                 HDC hDC = BeginPaint(infoPtr->hwndSelf, &ps);
 931
 932                 EnterCriticalSection(&infoPtr->cs);
 933                 ANIMATE_PaintFrame(infoPtr, hDC);
 934                 LeaveCriticalSection(&infoPtr->cs);
 935
 936                 EndPaint(infoPtr->hwndSelf, &ps);
 937             }
 938         }
 939         break;
 940
 941     case WM_SIZE:
 942         if (infoPtr->dwStyle & ACS_CENTER)
 943             InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 944         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 945
 946     default:
 947         if ((uMsg >= WM_USER) && (uMsg < WM_APP))
 948             ERR("unknown msg %04x wp=%08lx lp=%08lx\n", uMsg, wParam, lParam);
 949
 950         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 951     }
 952     return 0;
 953 }
 954
 955 void ANIMATE_Register(void)
 956 {
 957     WNDCLASSW wndClass;
 958
 959     ZeroMemory(&wndClass, sizeof(WNDCLASSW));
 960     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS;
 961     wndClass.lpfnWndProc   = ANIMATE_WindowProc;
 962     wndClass.cbClsExtra    = 0;
 963     wndClass.cbWndExtra    = sizeof(ANIMATE_INFO *);
 964     wndClass.hCursor       = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
 965     wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
 966     wndClass.lpszClassName = ANIMATE_CLASSW;
 967
 968     RegisterClassW(&wndClass);
 969 }
 970
 971
 972 void ANIMATE_Unregister(void)
 973 {
 974     UnregisterClassW(ANIMATE_CLASSW, NULL);
 975 }