Fixed some issues found by winapi_check.
[wine] / 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  *   - implement some missing flags (ACS_TRANSPARENT and ACS_CENTER)
15  *   - protection between service thread and wndproc messages handling 
16  *     concurrent access to infoPtr
17  */
18
19
20 #include "winbase.h"
21 #include "commctrl.h"
22 #include "driver.h"
23 #include "animate.h"
24 #include "mmsystem.h"
25 #include "services.h"
26 #include "debugtools.h"
27
28 DEFAULT_DEBUG_CHANNEL(animate);
29
30 #define ANIMATE_GetInfoPtr(hWnd) ((ANIMATE_INFO *)GetWindowLongA(hWnd, 0))
31
32 HMODULE hModWinmm;
33
34 static void ANIMATE_Notify(ANIMATE_INFO* infoPtr, UINT notif)
35 {
36     SendMessageA(GetParent(infoPtr->hWnd), WM_COMMAND, 
37                  MAKEWPARAM(GetDlgCtrlID(infoPtr->hWnd), notif), 
38                  (LPARAM)infoPtr->hWnd);
39 }
40
41 static BOOL ANIMATE_LoadResA(ANIMATE_INFO *infoPtr, HINSTANCE hInst, LPSTR lpName)
42 {
43     HRSRC       hrsrc;
44     MMIOINFO    mminfo;
45     LPVOID      lpAvi;
46     
47     hrsrc = FindResourceA(hInst, lpName, "AVI");
48     if (!hrsrc)
49         return FALSE;
50     
51     infoPtr->hRes = LoadResource(hInst, hrsrc);
52     if (!infoPtr->hRes)
53         return FALSE;
54     
55     lpAvi = LockResource(infoPtr->hRes);
56     if (!lpAvi)
57         return FALSE;
58     
59     memset(&mminfo, 0, sizeof(mminfo));
60     mminfo.fccIOProc = FOURCC_MEM;
61     mminfo.pchBuffer = (LPSTR)lpAvi;
62     mminfo.cchBuffer = SizeofResource(hInst, hrsrc);
63     infoPtr->hMMio = infoPtr->fnmmioOpenA(NULL, &mminfo, MMIO_READ);
64     
65     if (!infoPtr->hMMio) {
66         GlobalFree((HGLOBAL)lpAvi);
67         return FALSE;
68     }
69     
70     return TRUE;
71 }
72
73
74 static BOOL ANIMATE_LoadFileA(ANIMATE_INFO *infoPtr, LPSTR lpName)
75 {
76     infoPtr->hMMio = infoPtr->fnmmioOpenA((LPSTR)lpName, NULL,
77                                MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
78     
79     if (!infoPtr->hMMio)
80         return FALSE;
81     
82     return TRUE;
83 }
84
85
86 static LRESULT ANIMATE_DoStop(ANIMATE_INFO *infoPtr)
87 {
88     EnterCriticalSection(&infoPtr->cs);
89
90     /* should stop playing */
91     if (infoPtr->hService) {
92         SERVICE_Delete(infoPtr->hService);
93         infoPtr->hService = 0;
94     }
95     if (infoPtr->uTimer) {
96         KillTimer(infoPtr->hWnd, infoPtr->uTimer);
97         infoPtr->uTimer = 0;
98     }
99
100     LeaveCriticalSection(&infoPtr->cs);
101
102     ANIMATE_Notify(infoPtr, ACN_STOP);
103
104     return TRUE;
105 }
106
107
108 static void ANIMATE_Free(ANIMATE_INFO *infoPtr)
109 {
110     if (infoPtr->hMMio) {
111         ANIMATE_DoStop(infoPtr);
112         infoPtr->fnmmioClose(infoPtr->hMMio, 0);
113         if (infoPtr->hRes) {
114             FreeResource(infoPtr->hRes);
115             infoPtr->hRes = 0;
116         }
117         if (infoPtr->lpIndex) {
118             HeapFree(GetProcessHeap(), 0, infoPtr->lpIndex);
119             infoPtr->lpIndex = NULL;
120         }
121         if (infoPtr->hic) {
122             (infoPtr->fnICClose)(infoPtr->hic);
123             infoPtr->hic = 0;
124         }
125         if (infoPtr->inbih) {
126             HeapFree(GetProcessHeap(), 0, infoPtr->inbih);
127             infoPtr->inbih = NULL;
128         }
129         if (infoPtr->outbih) {
130             HeapFree(GetProcessHeap(), 0, infoPtr->outbih);
131             infoPtr->outbih = NULL;
132         }
133         HeapFree(GetProcessHeap(), 0, infoPtr->indata);
134         HeapFree(GetProcessHeap(), 0, infoPtr->outdata);
135         infoPtr->indata = infoPtr->outdata = NULL;
136         infoPtr->hWnd = 0;
137         infoPtr->hMMio = 0;
138         memset(&infoPtr->mah, 0, sizeof(infoPtr->mah));
139         memset(&infoPtr->ash, 0, sizeof(infoPtr->ash));
140         infoPtr->nFromFrame = infoPtr->nToFrame = infoPtr->nLoop = infoPtr->currFrame = 0;
141     }
142 }
143
144
145 static LRESULT ANIMATE_PaintFrame(ANIMATE_INFO* infoPtr, HDC hDC)
146 {
147     if (!hDC || !infoPtr->inbih)
148         return TRUE;
149     if (infoPtr->hic)
150         StretchDIBits(hDC, 0, 0, infoPtr->outbih->biWidth, infoPtr->outbih->biHeight, 
151                       0, 0, infoPtr->outbih->biWidth, infoPtr->outbih->biHeight, 
152                       infoPtr->outdata, (LPBITMAPINFO)infoPtr->outbih, DIB_RGB_COLORS, 
153                       SRCCOPY);
154     else
155         StretchDIBits(hDC, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, 
156                       0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, 
157                       infoPtr->indata, (LPBITMAPINFO)infoPtr->inbih, DIB_RGB_COLORS, 
158                       SRCCOPY);
159
160     return TRUE;
161 }
162
163 static LRESULT ANIMATE_DrawFrame(ANIMATE_INFO* infoPtr)
164 {
165     HDC         hDC;
166
167     TRACE("Drawing frame %d (loop %d)\n", infoPtr->currFrame, infoPtr->nLoop);
168
169     EnterCriticalSection(&infoPtr->cs);
170
171     infoPtr->fnmmioSeek(infoPtr->hMMio, infoPtr->lpIndex[infoPtr->currFrame], SEEK_SET);
172     infoPtr->fnmmioRead(infoPtr->hMMio, infoPtr->indata, infoPtr->ash.dwSuggestedBufferSize);
173     
174     if (infoPtr->hic &&
175         (infoPtr->fnICDecompress)(infoPtr->hic, 0, infoPtr->inbih, infoPtr->indata, 
176                                   infoPtr->outbih, infoPtr->outdata) != ICERR_OK) {
177         LeaveCriticalSection(&infoPtr->cs);
178         WARN("Decompression error\n");
179         return FALSE;
180     }
181
182     if ((hDC = GetDC(infoPtr->hWnd)) != 0) {
183         ANIMATE_PaintFrame(infoPtr, hDC);
184         ReleaseDC(infoPtr->hWnd, hDC);
185     }
186
187     if (infoPtr->currFrame++ >= infoPtr->nToFrame) {
188         infoPtr->currFrame = infoPtr->nFromFrame;
189         if (infoPtr->nLoop != -1) {
190             if (--infoPtr->nLoop == 0) {
191                 ANIMATE_DoStop(infoPtr);
192             }
193         }
194     }
195     LeaveCriticalSection(&infoPtr->cs);
196
197     return TRUE;
198 }
199
200 static void CALLBACK ANIMATE_ServiceCallback(ULONG_PTR ptr_)
201 {
202     ANIMATE_INFO*       infoPtr = (ANIMATE_INFO*)ptr_;
203
204     EnterCriticalSection(&infoPtr->cs);
205     ANIMATE_DrawFrame(infoPtr);
206     LeaveCriticalSection(&infoPtr->cs);
207 }
208
209 static LRESULT ANIMATE_Play(HWND hWnd, WPARAM wParam, LPARAM lParam)
210 {
211     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
212
213     /* nothing opened */
214     if (!infoPtr->hMMio)
215         return FALSE;
216
217     if (infoPtr->hService || infoPtr->uTimer) {
218         FIXME("Already playing ? what should I do ??\n");
219         ANIMATE_DoStop(infoPtr);
220     }
221
222     infoPtr->nFromFrame = (INT)LOWORD(lParam);
223     infoPtr->nToFrame   = (INT)HIWORD(lParam);
224     infoPtr->nLoop      = (INT)wParam;
225
226     if (infoPtr->nToFrame == 0xFFFF)
227         infoPtr->nToFrame = infoPtr->mah.dwTotalFrames - 1;
228
229     TRACE("(repeat=%d from=%d to=%d);\n", 
230           infoPtr->nLoop, infoPtr->nFromFrame, infoPtr->nToFrame);
231
232     if (infoPtr->nFromFrame >= infoPtr->nToFrame ||
233         infoPtr->nToFrame >= infoPtr->mah.dwTotalFrames)
234         return FALSE;
235
236     infoPtr->currFrame = infoPtr->nFromFrame;
237
238     if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_TIMER) {
239         TRACE("Using a timer\n");
240         /* create a timer to display AVI */
241         infoPtr->uTimer = SetTimer(hWnd, 1, infoPtr->mah.dwMicroSecPerFrame / 1000, NULL);
242     } else {
243         TRACE("Using the service thread\n");
244         /* time is in µs */
245         infoPtr->hService = SERVICE_AddTimer(infoPtr->mah.dwMicroSecPerFrame / 1000, 
246                                              ANIMATE_ServiceCallback, (DWORD)infoPtr);
247     }
248         
249     ANIMATE_Notify(infoPtr, ACN_START);
250
251     return TRUE;
252 }
253
254
255 static BOOL ANIMATE_GetAviInfo(ANIMATE_INFO *infoPtr)
256 {
257     MMCKINFO            ckMainRIFF;
258     MMCKINFO            mmckHead;
259     MMCKINFO            mmckList;
260     MMCKINFO            mmckInfo;
261     DWORD               numFrame;
262     DWORD               insize;
263
264     if (infoPtr->fnmmioDescend(infoPtr->hMMio, &ckMainRIFF, NULL, 0) != 0) {
265         WARN("Can't find 'RIFF' chunk\n");
266         return FALSE;
267     }
268
269     if ((ckMainRIFF.ckid != FOURCC_RIFF) ||
270         (ckMainRIFF.fccType != mmioFOURCC('A', 'V', 'I', ' '))) {
271         WARN("Can't find 'AVI ' chunk\n");
272         return FALSE;
273     }
274
275     mmckHead.fccType = mmioFOURCC('h', 'd', 'r', 'l');
276     if (infoPtr->fnmmioDescend(infoPtr->hMMio, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
277         WARN("Can't find 'hdrl' list\n");
278         return FALSE;
279     }
280
281     mmckInfo.ckid = mmioFOURCC('a', 'v', 'i', 'h');
282     if (infoPtr->fnmmioDescend(infoPtr->hMMio, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
283         WARN("Can't find 'avih' chunk\n");
284         return FALSE;
285     }
286
287     infoPtr->fnmmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->mah, sizeof(infoPtr->mah));
288     TRACE("mah.dwMicroSecPerFrame=%ld\n",       infoPtr->mah.dwMicroSecPerFrame);
289     TRACE("mah.dwMaxBytesPerSec=%ld\n",         infoPtr->mah.dwMaxBytesPerSec);
290     TRACE("mah.dwPaddingGranularity=%ld\n",     infoPtr->mah.dwPaddingGranularity);
291     TRACE("mah.dwFlags=%ld\n",                  infoPtr->mah.dwFlags);
292     TRACE("mah.dwTotalFrames=%ld\n",            infoPtr->mah.dwTotalFrames);
293     TRACE("mah.dwInitialFrames=%ld\n",          infoPtr->mah.dwInitialFrames);
294     TRACE("mah.dwStreams=%ld\n",                infoPtr->mah.dwStreams);
295     TRACE("mah.dwSuggestedBufferSize=%ld\n",    infoPtr->mah.dwSuggestedBufferSize);
296     TRACE("mah.dwWidth=%ld\n",                  infoPtr->mah.dwWidth);
297     TRACE("mah.dwHeight=%ld\n",                 infoPtr->mah.dwHeight);
298     infoPtr->fnmmioAscend(infoPtr->hMMio, &mmckInfo, 0);
299
300     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
301     if (infoPtr->fnmmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) != 0) {
302         WARN("Can't find 'strl' list\n");
303         return FALSE;
304     }
305
306     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'h');
307     if (infoPtr->fnmmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
308         WARN("Can't find 'strh' chunk\n");
309         return FALSE;
310     }
311
312     infoPtr->fnmmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->ash, sizeof(infoPtr->ash));
313     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(infoPtr->ash.fccType)), 
314                                                 HIBYTE(LOWORD(infoPtr->ash.fccType)), 
315                                                 LOBYTE(HIWORD(infoPtr->ash.fccType)), 
316                                                 HIBYTE(HIWORD(infoPtr->ash.fccType)));
317     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(infoPtr->ash.fccHandler)), 
318                                                 HIBYTE(LOWORD(infoPtr->ash.fccHandler)), 
319                                                 LOBYTE(HIWORD(infoPtr->ash.fccHandler)), 
320                                                 HIBYTE(HIWORD(infoPtr->ash.fccHandler)));
321     TRACE("ash.dwFlags=%ld\n",                  infoPtr->ash.dwFlags);
322     TRACE("ash.wPriority=%d\n",                 infoPtr->ash.wPriority);
323     TRACE("ash.wLanguage=%d\n",                 infoPtr->ash.wLanguage);
324     TRACE("ash.dwInitialFrames=%ld\n",          infoPtr->ash.dwInitialFrames);
325     TRACE("ash.dwScale=%ld\n",                  infoPtr->ash.dwScale);
326     TRACE("ash.dwRate=%ld\n",                   infoPtr->ash.dwRate);
327     TRACE("ash.dwStart=%ld\n",                  infoPtr->ash.dwStart);
328     TRACE("ash.dwLength=%ld\n",                 infoPtr->ash.dwLength);
329     TRACE("ash.dwSuggestedBufferSize=%ld\n",    infoPtr->ash.dwSuggestedBufferSize);
330     TRACE("ash.dwQuality=%ld\n",                infoPtr->ash.dwQuality);
331     TRACE("ash.dwSampleSize=%ld\n",             infoPtr->ash.dwSampleSize);
332     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        infoPtr->ash.rcFrame.top, infoPtr->ash.rcFrame.left, 
333           infoPtr->ash.rcFrame.bottom, infoPtr->ash.rcFrame.right);
334     infoPtr->fnmmioAscend(infoPtr->hMMio, &mmckInfo, 0);
335
336     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'f');
337     if (infoPtr->fnmmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
338         WARN("Can't find 'strh' chunk\n");
339         return FALSE;
340     }
341
342     infoPtr->inbih = HeapAlloc(GetProcessHeap(), 0, mmckInfo.cksize);
343     if (!infoPtr->inbih) {
344         WARN("Can't alloc input BIH\n");
345         return FALSE;
346     }
347
348     infoPtr->fnmmioRead(infoPtr->hMMio, (LPSTR)infoPtr->inbih, mmckInfo.cksize);
349     TRACE("bih.biSize=%ld\n",           infoPtr->inbih->biSize);
350     TRACE("bih.biWidth=%ld\n",          infoPtr->inbih->biWidth);
351     TRACE("bih.biHeight=%ld\n",         infoPtr->inbih->biHeight);
352     TRACE("bih.biPlanes=%d\n",          infoPtr->inbih->biPlanes);
353     TRACE("bih.biBitCount=%d\n",        infoPtr->inbih->biBitCount);
354     TRACE("bih.biCompression=%ld\n",    infoPtr->inbih->biCompression);
355     TRACE("bih.biSizeImage=%ld\n",      infoPtr->inbih->biSizeImage);
356     TRACE("bih.biXPelsPerMeter=%ld\n",  infoPtr->inbih->biXPelsPerMeter);
357     TRACE("bih.biYPelsPerMeter=%ld\n",  infoPtr->inbih->biYPelsPerMeter);
358     TRACE("bih.biClrUsed=%ld\n",        infoPtr->inbih->biClrUsed);
359     TRACE("bih.biClrImportant=%ld\n",   infoPtr->inbih->biClrImportant);
360     infoPtr->fnmmioAscend(infoPtr->hMMio, &mmckInfo, 0);
361
362     infoPtr->fnmmioAscend(infoPtr->hMMio, &mmckList, 0);
363     
364 #if 0
365     /* an AVI has 0 or 1 video stream, and to be animated should not contain
366      * an audio stream, so only one strl is allowed 
367      */
368     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
369     if (infoPtr->fnmmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) == 0) {
370         WARN("There should be a single 'strl' list\n");
371         return FALSE;
372     }
373 #endif
374
375     infoPtr->fnmmioAscend(infoPtr->hMMio, &mmckHead, 0);
376
377     /* no need to read optional JUNK chunk */
378
379     mmckList.fccType = mmioFOURCC('m', 'o', 'v', 'i');
380     if (infoPtr->fnmmioDescend(infoPtr->hMMio, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
381         WARN("Can't find 'movi' list\n");
382         return FALSE;
383     }
384
385     /* FIXME: should handle the 'rec ' LIST when present */
386
387     infoPtr->lpIndex = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 
388                                  infoPtr->mah.dwTotalFrames * sizeof(DWORD));
389     if (!infoPtr->lpIndex) {
390         WARN("Can't alloc index array\n");
391         return FALSE;
392     }
393
394     numFrame = insize = 0;
395     while (infoPtr->fnmmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, 0) == 0 && 
396            numFrame < infoPtr->mah.dwTotalFrames) {
397         infoPtr->lpIndex[numFrame] = mmckInfo.dwDataOffset;
398         if (insize < mmckInfo.cksize)
399             insize = mmckInfo.cksize;
400         numFrame++;
401         infoPtr->fnmmioAscend(infoPtr->hMMio, &mmckInfo, 0);
402     }
403     if (numFrame != infoPtr->mah.dwTotalFrames) {
404         WARN("Found %ld frames (/%ld)\n", numFrame, infoPtr->mah.dwTotalFrames);
405         return FALSE;
406     }
407     if (insize > infoPtr->ash.dwSuggestedBufferSize) {
408         WARN("insize=%ld suggestedSize=%ld\n", insize, infoPtr->ash.dwSuggestedBufferSize);
409         infoPtr->ash.dwSuggestedBufferSize = insize;
410     }
411
412     infoPtr->indata = HeapAlloc(GetProcessHeap(), 0, infoPtr->ash.dwSuggestedBufferSize);
413     if (!infoPtr->indata) {
414         WARN("Can't alloc input buffer\n");
415         return FALSE;
416     }
417
418     return TRUE;
419 }
420
421
422 static BOOL    ANIMATE_GetAviCodec(ANIMATE_INFO *infoPtr)
423 {
424     DWORD       outSize;
425
426     /* check uncompressed AVI */
427     if (infoPtr->ash.fccHandler == mmioFOURCC('D', 'I', 'B', ' ') ||
428         infoPtr->ash.fccHandler == mmioFOURCC('R', 'L', 'E', ' ')) {
429         infoPtr->hic = 0;
430         return TRUE;
431     }
432
433     /* try to get a decompressor for that type */
434     infoPtr->hic = (infoPtr->fnICOpen)(ICTYPE_VIDEO, 
435                                        infoPtr->ash.fccHandler, 
436                                        ICMODE_DECOMPRESS);
437     if (!infoPtr->hic) {
438         WARN("Can't load codec for the file\n");
439         return FALSE;
440     }
441     
442     outSize = (infoPtr->fnICSendMessage)(infoPtr->hic, 
443                                          ICM_DECOMPRESS_GET_FORMAT, 
444                                          (DWORD)infoPtr->inbih, 0L);
445     infoPtr->outbih = HeapAlloc(GetProcessHeap(), 0, outSize);
446     if (!infoPtr->outbih) {
447         WARN("Can't alloc output BIH\n");
448         return FALSE;
449     }
450
451     if ((infoPtr->fnICSendMessage)(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT, 
452                                    (DWORD)infoPtr->inbih, 
453                                    (DWORD)infoPtr->outbih) != ICERR_OK) {
454         WARN("Can't get output BIH\n");
455         return FALSE;
456     }
457
458     infoPtr->outdata = HeapAlloc(GetProcessHeap(), 0, infoPtr->outbih->biSizeImage);
459     if (!infoPtr->outdata) {
460         WARN("Can't alloc output buffer\n");
461         return FALSE;
462     }
463
464     if ((infoPtr->fnICSendMessage)(infoPtr->hic, ICM_DECOMPRESS_BEGIN, 
465                                    (DWORD)infoPtr->inbih, 
466                                    (DWORD)infoPtr->outbih) != ICERR_OK) {
467         WARN("Can't begin decompression\n");
468         return FALSE;
469     }
470
471     return TRUE;
472 }
473
474 static LRESULT ANIMATE_OpenA(HWND hWnd, WPARAM wParam, LPARAM lParam)
475 {
476     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
477     HINSTANCE hInstance = (HINSTANCE)wParam;
478
479     ANIMATE_Free(infoPtr);
480
481     if (!lParam) {
482         TRACE("Closing avi!\n");
483         return TRUE;
484     }
485     
486     if (!hInstance)
487        hInstance = GetWindowLongA(hWnd, GWL_HINSTANCE);
488
489     if (HIWORD(lParam)) {
490         TRACE("(\"%s\");\n", (LPSTR)lParam);
491
492         if (!ANIMATE_LoadResA(infoPtr, hInstance, (LPSTR)lParam)) {
493             TRACE("No AVI resource found!\n");
494             if (!ANIMATE_LoadFileA(infoPtr, (LPSTR)lParam)) {
495                 WARN("No AVI file found!\n");
496                 return FALSE;
497             }
498         }
499     } else {
500         TRACE("(%u);\n", (WORD)LOWORD(lParam));
501
502         if (!ANIMATE_LoadResA(infoPtr, hInstance,
503                               MAKEINTRESOURCEA((INT)lParam))) {
504             WARN("No AVI resource found!\n");
505             return FALSE;
506         }
507     }
508
509     if (!ANIMATE_GetAviInfo(infoPtr)) {
510         WARN("Can't get AVI information\n");
511         ANIMATE_Free(infoPtr);
512         return FALSE;
513     }
514
515     if (!ANIMATE_GetAviCodec(infoPtr)) {
516         WARN("Can't get AVI Codec\n");
517         ANIMATE_Free(infoPtr);
518         return FALSE;
519     }
520
521     if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_CENTER) {
522         FIXME("ACS_CENTER: NIY\n");
523     } else {
524         /*      MoveWindow(hWnd, 0, 0, infoPtr->mah.dwWidth, infoPtr->mah.dwHeight, FALSE);*/
525         SetWindowPos(hWnd, 0, 0, 0, infoPtr->mah.dwWidth, infoPtr->mah.dwHeight,
526                      SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
527     }
528
529     if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_TRANSPARENT) {
530         FIXME("ACS_TRANSPARENT: NIY\n");
531     }
532
533     if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_AUTOPLAY) {
534         return ANIMATE_Play(hWnd, -1, (LPARAM)MAKELONG(0, infoPtr->mah.dwTotalFrames-1));
535     }
536
537     return TRUE;
538 }
539
540
541 /* << ANIMATE_Open32W >> */
542
543 static LRESULT ANIMATE_Stop(HWND hWnd, WPARAM wParam, LPARAM lParam)
544 {
545     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
546
547     /* nothing opened */
548     if (!infoPtr->hMMio)
549         return FALSE;
550
551     ANIMATE_DoStop(infoPtr);
552     return TRUE;
553 }
554
555
556 static LRESULT ANIMATE_Create(HWND hWnd, WPARAM wParam, LPARAM lParam)
557 {
558     ANIMATE_INFO*       infoPtr;
559     HMODULE             hModule = LoadLibraryA("msvfw32.dll");
560
561     if (!hModule)
562         return FALSE;
563
564     /* allocate memory for info structure */
565     infoPtr = (ANIMATE_INFO *)COMCTL32_Alloc(sizeof(ANIMATE_INFO));
566     if (!infoPtr) {
567         ERR("could not allocate info memory!\n");
568         return 0;
569     }
570
571     /* Temporary hack until we get dllglue up and running */
572     infoPtr->fnICOpen        = (void*)GetProcAddress(hModule, "ICOpen");
573     infoPtr->fnICClose       = (void*)GetProcAddress(hModule, "ICClose");
574     infoPtr->fnICSendMessage = (void*)GetProcAddress(hModule, "ICSendMessage");
575     infoPtr->fnICDecompress  = (void*)GetProcAddress(hModule, "ICDecompress");
576
577     TRACE("Animate style=0x%08lx, parent=%08lx\n", GetWindowLongA(hWnd, GWL_STYLE), (DWORD)GetParent(hWnd));
578
579     /* store crossref hWnd <-> info structure */
580     SetWindowLongA(hWnd, 0, (DWORD)infoPtr);
581     infoPtr->hWnd = hWnd;
582
583     hModWinmm = LoadLibraryA("WINMM");
584
585     infoPtr->fnmmioOpenA = (void*)GetProcAddress(hModWinmm, "mmioOpenA");
586     infoPtr->fnmmioClose = (void*)GetProcAddress(hModWinmm, "mmioClose");
587     infoPtr->fnmmioAscend = (void*)GetProcAddress(hModWinmm, "mmioAscend");
588     infoPtr->fnmmioDescend = (void*)GetProcAddress(hModWinmm, "mmioDescend");
589     infoPtr->fnmmioSeek = (void*)GetProcAddress(hModWinmm, "mmioSeek");
590     infoPtr->fnmmioRead = (void*)GetProcAddress(hModWinmm, "mmioRead");
591
592     InitializeCriticalSection(&infoPtr->cs);
593     
594     return 0;
595 }
596
597
598 static LRESULT ANIMATE_Destroy(HWND hWnd, WPARAM wParam, LPARAM lParam)
599 {
600     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
601
602
603     /* free avi data */
604     ANIMATE_Free(infoPtr);
605
606     /* free animate info data */
607     COMCTL32_Free(infoPtr);
608     SetWindowLongA(hWnd, 0, 0);
609
610     FreeLibrary(hModWinmm);
611     return 0;
612 }
613
614
615 static LRESULT ANIMATE_EraseBackground(HWND hWnd, WPARAM wParam, LPARAM lParam)
616 {
617     RECT rect;
618
619     GetClientRect(hWnd, &rect);
620 #if 0
621     HBRUSH hBrush = CreateSolidBrush(infoPtr->clrBk);
622
623     FillRect((HDC)wParam, &rect, hBrush);
624     DeleteObject(hBrush);
625 #else
626     FillRect((HDC)wParam, &rect, GetSysColorBrush(COLOR_WINDOW));
627 #endif
628     return TRUE;
629 }
630
631 static LRESULT WINAPI ANIMATE_Size(HWND hWnd, WPARAM wParam, LPARAM lParam)
632 {
633     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
634
635     if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_CENTER) {
636         FIXME("NIY\n");
637         if (infoPtr->hMMio) {
638             /* centers the animation in the control, invalidates the control
639              */
640         }
641         InvalidateRect(hWnd, NULL, TRUE);
642     }
643     return TRUE;
644 }
645
646 static LRESULT WINAPI ANIMATE_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
647 {
648     TRACE("hwnd=%x msg=%x wparam=%x lparam=%lx\n", hWnd, uMsg, wParam, lParam);
649     if (!ANIMATE_GetInfoPtr(hWnd) && (uMsg != WM_NCCREATE))
650         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
651     switch (uMsg)
652     {
653     case ACM_OPENA:
654         return ANIMATE_OpenA(hWnd, wParam, lParam);
655         
656         /*      case ACM_OPEN32W: FIXME!! */
657         /*          return ANIMATE_Open32W(hWnd, wParam, lParam); */
658         
659     case ACM_PLAY:
660         return ANIMATE_Play(hWnd, wParam, lParam);
661         
662     case ACM_STOP:
663         return ANIMATE_Stop(hWnd, wParam, lParam);
664         
665     case WM_NCCREATE:
666         ANIMATE_Create(hWnd, wParam, lParam);
667         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
668         
669     case WM_NCHITTEST:
670         return HTTRANSPARENT;
671
672     case WM_DESTROY:
673         ANIMATE_Destroy(hWnd, wParam, lParam);
674         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
675         
676     case WM_ERASEBKGND:
677         ANIMATE_EraseBackground(hWnd, wParam, lParam);
678         break;
679
680     /*  case WM_STYLECHANGED: FIXME shall we do something ?? */
681
682     case WM_TIMER:
683         return ANIMATE_DrawFrame(ANIMATE_GetInfoPtr(hWnd));
684         
685     case WM_CLOSE:
686         ANIMATE_Free(ANIMATE_GetInfoPtr(hWnd));
687         return TRUE;
688
689     case WM_PAINT:
690         if (wParam) {
691             ANIMATE_PaintFrame(ANIMATE_GetInfoPtr(hWnd), (HDC)wParam);
692         } else {
693             PAINTSTRUCT ps;
694             HDC hDC = BeginPaint(hWnd, &ps);
695             ANIMATE_PaintFrame(ANIMATE_GetInfoPtr(hWnd), hDC);
696             EndPaint(hWnd, &ps);
697         }
698         break;
699
700     case WM_SIZE:
701         ANIMATE_Size(hWnd, wParam, lParam);
702         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
703
704     default:
705         if (uMsg >= WM_USER)
706             ERR("unknown msg %04x wp=%08x lp=%08lx\n", uMsg, wParam, lParam);
707         
708         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
709     }
710     return 0;
711 }
712
713
714 void ANIMATE_Register(void)
715 {
716     WNDCLASSA wndClass;
717
718     ZeroMemory(&wndClass, sizeof(WNDCLASSA));
719     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS;
720     wndClass.lpfnWndProc   = (WNDPROC)ANIMATE_WindowProc;
721     wndClass.cbClsExtra    = 0;
722     wndClass.cbWndExtra    = sizeof(ANIMATE_INFO *);
723     wndClass.hCursor       = LoadCursorA(0, IDC_ARROWA);
724     wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
725     wndClass.lpszClassName = ANIMATE_CLASSA;
726  
727     RegisterClassA(&wndClass);
728 }
729
730
731 void ANIMATE_Unregister(void)
732 {
733     UnregisterClassA(ANIMATE_CLASSA, (HINSTANCE)NULL);
734 }
735