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wine/dlls/comctl32/animate.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* Animation control
*
* Copyright 1998, 1999 Eric Kohl
* Copyright 1999 Eric Pouech
* Copyright 2005 Dimitrie O. Paun
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* NOTES
*
* This code was audited for completeness against the documented features
* of Comctl32.dll version 6.0 on Mar. 15, 2005, by Dimitrie O. Paun.
*
* Unless otherwise noted, we believe this code to be complete, as per
* the specification mentioned above.
* If you discover missing features, or bugs, please note them below.
*
* TODO:
* - check for the 'rec ' list in some AVI files
*/
#include <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "commctrl.h"
#include "vfw.h"
#include "mmsystem.h"
#include "comctl32.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(animate);
static struct {
HMODULE hModule;
HIC (WINAPI *fnICOpen)(DWORD, DWORD, UINT);
LRESULT (WINAPI *fnICClose)(HIC);
LRESULT (WINAPI *fnICSendMessage)(HIC, UINT, DWORD_PTR, DWORD_PTR);
DWORD (WINAPIV *fnICDecompress)(HIC,DWORD,LPBITMAPINFOHEADER,LPVOID,LPBITMAPINFOHEADER,LPVOID);
} fnIC;
typedef struct
{
/* reference to input stream (file or resource) */
HGLOBAL hRes;
HMMIO hMMio; /* handle to mmio stream */
HWND hwndSelf;
HWND hwndNotify;
DWORD dwStyle;
/* information on the loaded AVI file */
MainAVIHeader mah;
AVIStreamHeader ash;
LPBITMAPINFOHEADER inbih;
LPDWORD lpIndex;
/* data for the decompressor */
HIC hic;
LPBITMAPINFOHEADER outbih;
LPVOID indata;
LPVOID outdata;
/* data for the background mechanism */
CRITICAL_SECTION cs;
HANDLE hStopEvent;
HANDLE hThread;
DWORD threadId;
UINT uTimer;
/* data for playing the file */
int nFromFrame;
int nToFrame;
int nLoop;
int currFrame;
/* transparency info*/
COLORREF transparentColor;
HBRUSH hbrushBG;
HBITMAP hbmPrevFrame;
} ANIMATE_INFO;
#define ANIMATE_COLOR_NONE 0xffffffff
static void ANIMATE_Notify(const ANIMATE_INFO *infoPtr, UINT notif)
{
SendMessageW(infoPtr->hwndNotify, WM_COMMAND,
MAKEWPARAM(GetDlgCtrlID(infoPtr->hwndSelf), notif),
(LPARAM)infoPtr->hwndSelf);
}
static BOOL ANIMATE_LoadResW(ANIMATE_INFO *infoPtr, HINSTANCE hInst, LPCWSTR lpName)
{
static const WCHAR aviW[] = { 'A', 'V', 'I', 0 };
HRSRC hrsrc;
MMIOINFO mminfo;
LPVOID lpAvi;
hrsrc = FindResourceW(hInst, lpName, aviW);
if (!hrsrc)
return FALSE;
infoPtr->hRes = LoadResource(hInst, hrsrc);
if (!infoPtr->hRes)
return FALSE;
lpAvi = LockResource(infoPtr->hRes);
if (!lpAvi)
return FALSE;
memset(&mminfo, 0, sizeof(mminfo));
mminfo.fccIOProc = FOURCC_MEM;
mminfo.pchBuffer = (LPSTR)lpAvi;
mminfo.cchBuffer = SizeofResource(hInst, hrsrc);
infoPtr->hMMio = mmioOpenW(NULL, &mminfo, MMIO_READ);
if (!infoPtr->hMMio)
{
FreeResource(infoPtr->hRes);
return FALSE;
}
return TRUE;
}
static BOOL ANIMATE_LoadFileW(ANIMATE_INFO *infoPtr, LPWSTR lpName)
{
infoPtr->hMMio = mmioOpenW(lpName, 0, MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
if(!infoPtr->hMMio) return FALSE;
return TRUE;
}
static BOOL ANIMATE_DoStop(ANIMATE_INFO *infoPtr)
{
BOOL stopped = FALSE;
EnterCriticalSection(&infoPtr->cs);
/* should stop playing */
if (infoPtr->hThread)
{
HANDLE handle = infoPtr->hThread;
TRACE("stopping animation thread\n");
infoPtr->hThread = 0;
SetEvent( infoPtr->hStopEvent );
if (infoPtr->threadId != GetCurrentThreadId())
{
LeaveCriticalSection(&infoPtr->cs); /* leave it a chance to run */
MsgWaitForMultipleObjects( 1, &handle, FALSE, INFINITE, QS_ALLINPUT );
TRACE("animation thread stopped\n");
EnterCriticalSection(&infoPtr->cs);
}
CloseHandle( handle );
CloseHandle( infoPtr->hStopEvent );
infoPtr->hStopEvent = 0;
stopped = TRUE;
}
if (infoPtr->uTimer) {
KillTimer(infoPtr->hwndSelf, infoPtr->uTimer);
infoPtr->uTimer = 0;
stopped = TRUE;
}
LeaveCriticalSection(&infoPtr->cs);
if (stopped)
ANIMATE_Notify(infoPtr, ACN_STOP);
return TRUE;
}
static void ANIMATE_Free(ANIMATE_INFO *infoPtr)
{
if (infoPtr->hMMio) {
ANIMATE_DoStop(infoPtr);
mmioClose(infoPtr->hMMio, 0);
if (infoPtr->hRes) {
FreeResource(infoPtr->hRes);
infoPtr->hRes = 0;
}
Free (infoPtr->lpIndex);
infoPtr->lpIndex = NULL;
if (infoPtr->hic) {
fnIC.fnICClose(infoPtr->hic);
infoPtr->hic = 0;
}
Free (infoPtr->inbih);
infoPtr->inbih = NULL;
Free (infoPtr->outbih);
infoPtr->outbih = NULL;
Free (infoPtr->indata);
infoPtr->indata = NULL;
Free (infoPtr->outdata);
infoPtr->outdata = NULL;
if( infoPtr->hbmPrevFrame )
{
DeleteObject(infoPtr->hbmPrevFrame);
infoPtr->hbmPrevFrame = 0;
}
memset(&infoPtr->mah, 0, sizeof(infoPtr->mah));
memset(&infoPtr->ash, 0, sizeof(infoPtr->ash));
infoPtr->nFromFrame = infoPtr->nToFrame = infoPtr->nLoop = infoPtr->currFrame = 0;
}
infoPtr->transparentColor = ANIMATE_COLOR_NONE;
}
static void ANIMATE_TransparentBlt(ANIMATE_INFO const *infoPtr, HDC hdcDest, HDC hdcSource)
{
HDC hdcMask;
HBITMAP hbmMask;
HBITMAP hbmOld;
/* create a transparency mask */
hdcMask = CreateCompatibleDC(hdcDest);
hbmMask = CreateBitmap(infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, 1,1,NULL);
hbmOld = SelectObject(hdcMask, hbmMask);
SetBkColor(hdcSource,infoPtr->transparentColor);
BitBlt(hdcMask,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCCOPY);
/* mask the source bitmap */
SetBkColor(hdcSource, RGB(0,0,0));
SetTextColor(hdcSource, RGB(255,255,255));
BitBlt(hdcSource, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
/* mask the destination bitmap */
SetBkColor(hdcDest, RGB(255,255,255));
SetTextColor(hdcDest, RGB(0,0,0));
BitBlt(hdcDest, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
/* combine source and destination */
BitBlt(hdcDest,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCPAINT);
SelectObject(hdcMask, hbmOld);
DeleteObject(hbmMask);
DeleteDC(hdcMask);
}
static BOOL ANIMATE_PaintFrame(ANIMATE_INFO* infoPtr, HDC hDC)
{
void const *pBitmapData;
BITMAPINFO const *pBitmapInfo;
HDC hdcMem;
HBITMAP hbmOld;
int nOffsetX = 0;
int nOffsetY = 0;
int nWidth;
int nHeight;
if (!hDC || !infoPtr->inbih)
return TRUE;
if (infoPtr->hic )
{
pBitmapData = infoPtr->outdata;
pBitmapInfo = (LPBITMAPINFO)infoPtr->outbih;
nWidth = infoPtr->outbih->biWidth;
nHeight = infoPtr->outbih->biHeight;
}
else
{
pBitmapData = infoPtr->indata;
pBitmapInfo = (LPBITMAPINFO)infoPtr->inbih;
nWidth = infoPtr->inbih->biWidth;
nHeight = infoPtr->inbih->biHeight;
}
if(!infoPtr->hbmPrevFrame)
{
infoPtr->hbmPrevFrame=CreateCompatibleBitmap(hDC, nWidth,nHeight );
}
hdcMem = CreateCompatibleDC(hDC);
hbmOld = SelectObject(hdcMem, infoPtr->hbmPrevFrame);
SetDIBits(hdcMem, infoPtr->hbmPrevFrame, 0, nHeight, pBitmapData, pBitmapInfo, DIB_RGB_COLORS);
/*
* we need to get the transparent color even without ACS_TRANSPARENT,
* because the style can be changed later on and the color should always
* be obtained in the first frame
*/
if(infoPtr->transparentColor == ANIMATE_COLOR_NONE)
{
infoPtr->transparentColor = GetPixel(hdcMem,0,0);
}
if(infoPtr->dwStyle & ACS_TRANSPARENT)
{
HDC hdcFinal = CreateCompatibleDC(hDC);
HBITMAP hbmFinal = CreateCompatibleBitmap(hDC,nWidth, nHeight);
HBITMAP hbmOld2 = SelectObject(hdcFinal, hbmFinal);
RECT rect;
rect.left = 0;
rect.top = 0;
rect.right = nWidth;
rect.bottom = nHeight;
if(!infoPtr->hbrushBG)
infoPtr->hbrushBG = GetCurrentObject(hDC, OBJ_BRUSH);
FillRect(hdcFinal, &rect, infoPtr->hbrushBG);
ANIMATE_TransparentBlt(infoPtr, hdcFinal, hdcMem);
SelectObject(hdcFinal, hbmOld2);
SelectObject(hdcMem, hbmFinal);
DeleteDC(hdcFinal);
DeleteObject(infoPtr->hbmPrevFrame);
infoPtr->hbmPrevFrame = hbmFinal;
}
if (infoPtr->dwStyle & ACS_CENTER)
{
RECT rect;
GetWindowRect(infoPtr->hwndSelf, &rect);
nOffsetX = ((rect.right - rect.left) - nWidth)/2;
nOffsetY = ((rect.bottom - rect.top) - nHeight)/2;
}
BitBlt(hDC, nOffsetX, nOffsetY, nWidth, nHeight, hdcMem, 0, 0, SRCCOPY);
SelectObject(hdcMem, hbmOld);
DeleteDC(hdcMem);
return TRUE;
}
static BOOL ANIMATE_DrawFrame(ANIMATE_INFO *infoPtr, HDC hDC)
{
TRACE("Drawing frame %d (loop %d)\n", infoPtr->currFrame, infoPtr->nLoop);
mmioSeek(infoPtr->hMMio, infoPtr->lpIndex[infoPtr->currFrame], SEEK_SET);
mmioRead(infoPtr->hMMio, infoPtr->indata, infoPtr->ash.dwSuggestedBufferSize);
if (infoPtr->hic &&
fnIC.fnICDecompress(infoPtr->hic, 0, infoPtr->inbih, infoPtr->indata,
infoPtr->outbih, infoPtr->outdata) != ICERR_OK) {
WARN("Decompression error\n");
return FALSE;
}
ANIMATE_PaintFrame(infoPtr, hDC);
if (infoPtr->currFrame++ >= infoPtr->nToFrame) {
infoPtr->currFrame = infoPtr->nFromFrame;
if (infoPtr->nLoop != -1) {
if (--infoPtr->nLoop == 0) {
ANIMATE_DoStop(infoPtr);
}
}
}
return TRUE;
}
static LRESULT ANIMATE_Timer(ANIMATE_INFO *infoPtr)
{
HDC hDC;
if ((hDC = GetDC(infoPtr->hwndSelf)) != 0)
{
if (infoPtr->dwStyle & ACS_TRANSPARENT)
infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
WM_CTLCOLORSTATIC,
(WPARAM)hDC, (LPARAM)infoPtr->hwndSelf);
EnterCriticalSection(&infoPtr->cs);
ANIMATE_DrawFrame(infoPtr, hDC);
LeaveCriticalSection(&infoPtr->cs);
ReleaseDC(infoPtr->hwndSelf, hDC);
}
return 0;
}
static DWORD CALLBACK ANIMATE_AnimationThread(LPVOID ptr_)
{
ANIMATE_INFO *infoPtr = (ANIMATE_INFO *)ptr_;
HANDLE event;
DWORD timeout;
while(1)
{
HDC hDC = GetDC(infoPtr->hwndSelf);
if (infoPtr->dwStyle & ACS_TRANSPARENT)
infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
WM_CTLCOLORSTATIC,
(WPARAM)hDC, (LPARAM)infoPtr->hwndSelf);
EnterCriticalSection(&infoPtr->cs);
ANIMATE_DrawFrame(infoPtr, hDC);
timeout = infoPtr->mah.dwMicroSecPerFrame;
event = infoPtr->hStopEvent;
LeaveCriticalSection(&infoPtr->cs);
ReleaseDC(infoPtr->hwndSelf, hDC);
/* time is in microseconds, we should convert it to milliseconds */
if ((event == 0) || WaitForSingleObject( event, (timeout+500)/1000) == WAIT_OBJECT_0)
break;
}
return TRUE;
}
static LRESULT ANIMATE_Play(ANIMATE_INFO *infoPtr, UINT cRepeat, WORD wFrom, WORD wTo)
{
/* nothing opened */
if (!infoPtr->hMMio)
return FALSE;
if (infoPtr->hThread || infoPtr->uTimer) {
TRACE("Already playing\n");
return TRUE;
}
infoPtr->nFromFrame = wFrom;
infoPtr->nToFrame = wTo;
infoPtr->nLoop = cRepeat;
if (infoPtr->nToFrame == 0xFFFF)
infoPtr->nToFrame = infoPtr->mah.dwTotalFrames - 1;
TRACE("(repeat=%d from=%d to=%d);\n",
infoPtr->nLoop, infoPtr->nFromFrame, infoPtr->nToFrame);
if (infoPtr->nFromFrame >= infoPtr->mah.dwTotalFrames &&
(SHORT)infoPtr->nFromFrame < 0)
infoPtr->nFromFrame = 0;
if (infoPtr->nFromFrame > infoPtr->nToFrame ||
infoPtr->nToFrame >= infoPtr->mah.dwTotalFrames)
return FALSE;
infoPtr->currFrame = infoPtr->nFromFrame;
/* seek - doesn't need to start a thread or set a timer and neither
* does it send a notification */
if (infoPtr->nFromFrame == infoPtr->nToFrame)
{
HDC hDC;
if ((hDC = GetDC(infoPtr->hwndSelf)) != 0)
{
if (infoPtr->dwStyle & ACS_TRANSPARENT)
infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
WM_CTLCOLORSTATIC,
(WPARAM)hDC, (LPARAM)infoPtr->hwndSelf);
ANIMATE_DrawFrame(infoPtr, hDC);
ReleaseDC(infoPtr->hwndSelf, hDC);
}
return TRUE;
}
if (infoPtr->dwStyle & ACS_TIMER)
{
TRACE("Using a timer\n");
/* create a timer to display AVI */
infoPtr->uTimer = SetTimer(infoPtr->hwndSelf, 1,
infoPtr->mah.dwMicroSecPerFrame / 1000, NULL);
}
else
{
if(infoPtr->dwStyle & ACS_TRANSPARENT)
infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
WM_CTLCOLORSTATIC, 0,
(LPARAM)infoPtr->hwndSelf);
TRACE("Using an animation thread\n");
infoPtr->hStopEvent = CreateEventW( NULL, TRUE, FALSE, NULL );
infoPtr->hThread = CreateThread(0, 0, ANIMATE_AnimationThread,
(LPVOID)infoPtr, 0, &infoPtr->threadId);
if(!infoPtr->hThread) return FALSE;
}
ANIMATE_Notify(infoPtr, ACN_START);
return TRUE;
}
static BOOL ANIMATE_GetAviInfo(ANIMATE_INFO *infoPtr)
{
MMCKINFO ckMainRIFF;
MMCKINFO mmckHead;
MMCKINFO mmckList;
MMCKINFO mmckInfo;
DWORD numFrame;
DWORD insize;
if (mmioDescend(infoPtr->hMMio, &ckMainRIFF, NULL, 0) != 0) {
WARN("Can't find 'RIFF' chunk\n");
return FALSE;
}
if ((ckMainRIFF.ckid != FOURCC_RIFF) ||
(ckMainRIFF.fccType != mmioFOURCC('A', 'V', 'I', ' '))) {
WARN("Can't find 'AVI ' chunk\n");
return FALSE;
}
mmckHead.fccType = mmioFOURCC('h', 'd', 'r', 'l');
if (mmioDescend(infoPtr->hMMio, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
WARN("Can't find 'hdrl' list\n");
return FALSE;
}
mmckInfo.ckid = mmioFOURCC('a', 'v', 'i', 'h');
if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
WARN("Can't find 'avih' chunk\n");
return FALSE;
}
mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->mah, sizeof(infoPtr->mah));
TRACE("mah.dwMicroSecPerFrame=%d\n", infoPtr->mah.dwMicroSecPerFrame);
TRACE("mah.dwMaxBytesPerSec=%d\n", infoPtr->mah.dwMaxBytesPerSec);
TRACE("mah.dwPaddingGranularity=%d\n", infoPtr->mah.dwPaddingGranularity);
TRACE("mah.dwFlags=%d\n", infoPtr->mah.dwFlags);
TRACE("mah.dwTotalFrames=%d\n", infoPtr->mah.dwTotalFrames);
TRACE("mah.dwInitialFrames=%d\n", infoPtr->mah.dwInitialFrames);
TRACE("mah.dwStreams=%d\n", infoPtr->mah.dwStreams);
TRACE("mah.dwSuggestedBufferSize=%d\n", infoPtr->mah.dwSuggestedBufferSize);
TRACE("mah.dwWidth=%d\n", infoPtr->mah.dwWidth);
TRACE("mah.dwHeight=%d\n", infoPtr->mah.dwHeight);
mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) != 0) {
WARN("Can't find 'strl' list\n");
return FALSE;
}
mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'h');
if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
WARN("Can't find 'strh' chunk\n");
return FALSE;
}
mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->ash, sizeof(infoPtr->ash));
TRACE("ash.fccType='%c%c%c%c'\n", LOBYTE(LOWORD(infoPtr->ash.fccType)),
HIBYTE(LOWORD(infoPtr->ash.fccType)),
LOBYTE(HIWORD(infoPtr->ash.fccType)),
HIBYTE(HIWORD(infoPtr->ash.fccType)));
TRACE("ash.fccHandler='%c%c%c%c'\n", LOBYTE(LOWORD(infoPtr->ash.fccHandler)),
HIBYTE(LOWORD(infoPtr->ash.fccHandler)),
LOBYTE(HIWORD(infoPtr->ash.fccHandler)),
HIBYTE(HIWORD(infoPtr->ash.fccHandler)));
TRACE("ash.dwFlags=%d\n", infoPtr->ash.dwFlags);
TRACE("ash.wPriority=%d\n", infoPtr->ash.wPriority);
TRACE("ash.wLanguage=%d\n", infoPtr->ash.wLanguage);
TRACE("ash.dwInitialFrames=%d\n", infoPtr->ash.dwInitialFrames);
TRACE("ash.dwScale=%d\n", infoPtr->ash.dwScale);
TRACE("ash.dwRate=%d\n", infoPtr->ash.dwRate);
TRACE("ash.dwStart=%d\n", infoPtr->ash.dwStart);
TRACE("ash.dwLength=%d\n", infoPtr->ash.dwLength);
TRACE("ash.dwSuggestedBufferSize=%d\n", infoPtr->ash.dwSuggestedBufferSize);
TRACE("ash.dwQuality=%d\n", infoPtr->ash.dwQuality);
TRACE("ash.dwSampleSize=%d\n", infoPtr->ash.dwSampleSize);
TRACE("ash.rcFrame=(%d,%d,%d,%d)\n", infoPtr->ash.rcFrame.top, infoPtr->ash.rcFrame.left,
infoPtr->ash.rcFrame.bottom, infoPtr->ash.rcFrame.right);
mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'f');
if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
WARN("Can't find 'strh' chunk\n");
return FALSE;
}
infoPtr->inbih = Alloc(mmckInfo.cksize);
if (!infoPtr->inbih) {
WARN("Can't alloc input BIH\n");
return FALSE;
}
mmioRead(infoPtr->hMMio, (LPSTR)infoPtr->inbih, mmckInfo.cksize);
TRACE("bih.biSize=%d\n", infoPtr->inbih->biSize);
TRACE("bih.biWidth=%d\n", infoPtr->inbih->biWidth);
TRACE("bih.biHeight=%d\n", infoPtr->inbih->biHeight);
TRACE("bih.biPlanes=%d\n", infoPtr->inbih->biPlanes);
TRACE("bih.biBitCount=%d\n", infoPtr->inbih->biBitCount);
TRACE("bih.biCompression=%d\n", infoPtr->inbih->biCompression);
TRACE("bih.biSizeImage=%d\n", infoPtr->inbih->biSizeImage);
TRACE("bih.biXPelsPerMeter=%d\n", infoPtr->inbih->biXPelsPerMeter);
TRACE("bih.biYPelsPerMeter=%d\n", infoPtr->inbih->biYPelsPerMeter);
TRACE("bih.biClrUsed=%d\n", infoPtr->inbih->biClrUsed);
TRACE("bih.biClrImportant=%d\n", infoPtr->inbih->biClrImportant);
mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
mmioAscend(infoPtr->hMMio, &mmckList, 0);
#if 0
/* an AVI has 0 or 1 video stream, and to be animated should not contain
* an audio stream, so only one strl is allowed
*/
mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) == 0) {
WARN("There should be a single 'strl' list\n");
return FALSE;
}
#endif
mmioAscend(infoPtr->hMMio, &mmckHead, 0);
/* no need to read optional JUNK chunk */
mmckList.fccType = mmioFOURCC('m', 'o', 'v', 'i');
if (mmioDescend(infoPtr->hMMio, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
WARN("Can't find 'movi' list\n");
return FALSE;
}
/* FIXME: should handle the 'rec ' LIST when present */
infoPtr->lpIndex = Alloc(infoPtr->mah.dwTotalFrames * sizeof(DWORD));
if (!infoPtr->lpIndex)
return FALSE;
numFrame = insize = 0;
while (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, 0) == 0 &&
numFrame < infoPtr->mah.dwTotalFrames) {
infoPtr->lpIndex[numFrame] = mmckInfo.dwDataOffset;
if (insize < mmckInfo.cksize)
insize = mmckInfo.cksize;
numFrame++;
mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
}
if (numFrame != infoPtr->mah.dwTotalFrames) {
WARN("Found %d frames (/%d)\n", numFrame, infoPtr->mah.dwTotalFrames);
return FALSE;
}
if (insize > infoPtr->ash.dwSuggestedBufferSize) {
WARN("insize=%d suggestedSize=%d\n", insize, infoPtr->ash.dwSuggestedBufferSize);
infoPtr->ash.dwSuggestedBufferSize = insize;
}
infoPtr->indata = Alloc(infoPtr->ash.dwSuggestedBufferSize);
if (!infoPtr->indata)
return FALSE;
return TRUE;
}
static BOOL ANIMATE_GetAviCodec(ANIMATE_INFO *infoPtr)
{
DWORD outSize;
/* check uncompressed AVI */
if ((infoPtr->ash.fccHandler == mmioFOURCC('D', 'I', 'B', ' ')) ||
(infoPtr->ash.fccHandler == mmioFOURCC('R', 'L', 'E', ' ')) ||
(infoPtr->ash.fccHandler == mmioFOURCC(0, 0, 0, 0)))
{
infoPtr->hic = 0;
return TRUE;
}
/* try to get a decompressor for that type */
infoPtr->hic = fnIC.fnICOpen(ICTYPE_VIDEO, infoPtr->ash.fccHandler, ICMODE_DECOMPRESS);
if (!infoPtr->hic) {
WARN("Can't load codec for the file\n");
return FALSE;
}
outSize = fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
(DWORD_PTR)infoPtr->inbih, 0L);
infoPtr->outbih = Alloc(outSize);
if (!infoPtr->outbih)
return FALSE;
if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
(DWORD_PTR)infoPtr->inbih, (DWORD_PTR)infoPtr->outbih) != ICERR_OK)
{
WARN("Can't get output BIH\n");
return FALSE;
}
infoPtr->outdata = Alloc(infoPtr->outbih->biSizeImage);
if (!infoPtr->outdata)
return FALSE;
if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_BEGIN,
(DWORD_PTR)infoPtr->inbih, (DWORD_PTR)infoPtr->outbih) != ICERR_OK) {
WARN("Can't begin decompression\n");
return FALSE;
}
return TRUE;
}
static BOOL ANIMATE_OpenW(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPWSTR lpszName)
{
ANIMATE_Free(infoPtr);
if (!lpszName)
{
TRACE("Closing avi!\n");
/* installer of thebat! v1.62 requires FALSE here */
return (infoPtr->hMMio != 0);
}
if (!hInstance)
hInstance = (HINSTANCE)GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_HINSTANCE);
TRACE("(%s)\n", debugstr_w(lpszName));
if (HIWORD(lpszName))
{
if (!ANIMATE_LoadResW(infoPtr, hInstance, lpszName))
{
TRACE("No AVI resource found!\n");
if (!ANIMATE_LoadFileW(infoPtr, lpszName))
{
WARN("No AVI file found!\n");
return FALSE;
}
}
}
else
{
if (!ANIMATE_LoadResW(infoPtr, hInstance, lpszName))
{
WARN("No AVI resource found!\n");
return FALSE;
}
}
if (!ANIMATE_GetAviInfo(infoPtr))
{
WARN("Can't get AVI information\n");
ANIMATE_Free(infoPtr);
return FALSE;
}
if (!ANIMATE_GetAviCodec(infoPtr))
{
WARN("Can't get AVI Codec\n");
ANIMATE_Free(infoPtr);
return FALSE;
}
if (!(infoPtr->dwStyle & ACS_CENTER))
SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, infoPtr->mah.dwWidth, infoPtr->mah.dwHeight,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
if (infoPtr->dwStyle & ACS_AUTOPLAY)
return ANIMATE_Play(infoPtr, -1, 0, infoPtr->mah.dwTotalFrames - 1);
return TRUE;
}
static BOOL ANIMATE_OpenA(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPSTR lpszName)
{
LPWSTR lpwszName;
LRESULT result;
INT len;
if (!HIWORD(lpszName))
return ANIMATE_OpenW(infoPtr, hInstance, (LPWSTR)lpszName);
len = MultiByteToWideChar(CP_ACP, 0, lpszName, -1, NULL, 0);
lpwszName = Alloc(len * sizeof(WCHAR));
if (!lpwszName) return FALSE;
MultiByteToWideChar(CP_ACP, 0, lpszName, -1, lpwszName, len);
result = ANIMATE_OpenW(infoPtr, hInstance, lpwszName);
Free (lpwszName);
return result;
}
static BOOL ANIMATE_Stop(ANIMATE_INFO *infoPtr)
{
/* nothing opened */
if (!infoPtr->hMMio)
return FALSE;
ANIMATE_DoStop(infoPtr);
return TRUE;
}
static BOOL ANIMATE_Create(HWND hWnd, const CREATESTRUCTW *lpcs)
{
static const WCHAR msvfw32W[] = { 'm', 's', 'v', 'f', 'w', '3', '2', '.', 'd', 'l', 'l', 0 };
ANIMATE_INFO *infoPtr;
if (!fnIC.hModule)
{
fnIC.hModule = LoadLibraryW(msvfw32W);
if (!fnIC.hModule) return FALSE;
fnIC.fnICOpen = (void*)GetProcAddress(fnIC.hModule, "ICOpen");
fnIC.fnICClose = (void*)GetProcAddress(fnIC.hModule, "ICClose");
fnIC.fnICSendMessage = (void*)GetProcAddress(fnIC.hModule, "ICSendMessage");
fnIC.fnICDecompress = (void*)GetProcAddress(fnIC.hModule, "ICDecompress");
}
/* allocate memory for info structure */
infoPtr = (ANIMATE_INFO *)Alloc(sizeof(ANIMATE_INFO));
if (!infoPtr) return FALSE;
/* store crossref hWnd <-> info structure */
SetWindowLongPtrW(hWnd, 0, (DWORD_PTR)infoPtr);
infoPtr->hwndSelf = hWnd;
infoPtr->hwndNotify = lpcs->hwndParent;
infoPtr->transparentColor = ANIMATE_COLOR_NONE;
infoPtr->hbmPrevFrame = 0;
infoPtr->dwStyle = lpcs->style;
TRACE("Animate style=0x%08x, parent=%p\n", infoPtr->dwStyle, infoPtr->hwndNotify);
InitializeCriticalSection(&infoPtr->cs);
infoPtr->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ANIMATE_INFO*->cs");
return TRUE;
}
static LRESULT ANIMATE_Destroy(ANIMATE_INFO *infoPtr)
{
/* free avi data */
ANIMATE_Free(infoPtr);
/* free animate info data */
SetWindowLongPtrW(infoPtr->hwndSelf, 0, 0);
infoPtr->cs.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&infoPtr->cs);
Free(infoPtr);
return 0;
}
static BOOL ANIMATE_EraseBackground(ANIMATE_INFO const *infoPtr, HDC hdc)
{
RECT rect;
HBRUSH hBrush = 0;
if(infoPtr->dwStyle & ACS_TRANSPARENT)
{
hBrush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLORSTATIC,
(WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
}
GetClientRect(infoPtr->hwndSelf, &rect);
FillRect(hdc, &rect, hBrush ? hBrush : GetCurrentObject(hdc, OBJ_BRUSH));
return TRUE;
}
static LRESULT ANIMATE_StyleChanged(ANIMATE_INFO *infoPtr, WPARAM wStyleType, const STYLESTRUCT *lpss)
{
TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
wStyleType, lpss->styleOld, lpss->styleNew);
if (wStyleType != GWL_STYLE) return 0;
infoPtr->dwStyle = lpss->styleNew;
InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
return 0;
}
static LRESULT WINAPI ANIMATE_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
ANIMATE_INFO *infoPtr = (ANIMATE_INFO *)GetWindowLongPtrW(hWnd, 0);
TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n", hWnd, uMsg, wParam, lParam);
if (!infoPtr && (uMsg != WM_NCCREATE))
return DefWindowProcW(hWnd, uMsg, wParam, lParam);
switch (uMsg)
{
case ACM_OPENA:
return ANIMATE_OpenA(infoPtr, (HINSTANCE)wParam, (LPSTR)lParam);
case ACM_OPENW:
return ANIMATE_OpenW(infoPtr, (HINSTANCE)wParam, (LPWSTR)lParam);
case ACM_PLAY:
return ANIMATE_Play(infoPtr, (INT)wParam, LOWORD(lParam), HIWORD(lParam));
case ACM_STOP:
return ANIMATE_Stop(infoPtr);
case WM_CLOSE:
ANIMATE_Free(infoPtr);
return 0;
case WM_NCCREATE:
return ANIMATE_Create(hWnd, (LPCREATESTRUCTW)lParam);
case WM_NCHITTEST:
return HTTRANSPARENT;
case WM_DESTROY:
return ANIMATE_Destroy(infoPtr);
case WM_ERASEBKGND:
return ANIMATE_EraseBackground(infoPtr, (HDC)wParam);
case WM_STYLECHANGED:
return ANIMATE_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
case WM_TIMER:
return ANIMATE_Timer(infoPtr);
case WM_PRINTCLIENT:
case WM_PAINT:
{
/* the animation has not decompressed
* (and displayed) the first frame yet, don't paint
*/
if (!infoPtr->hbmPrevFrame)
{
/* default paint handling */
return DefWindowProcW(hWnd, uMsg, wParam, lParam);
}
if (wParam)
{
EnterCriticalSection(&infoPtr->cs);
ANIMATE_PaintFrame(infoPtr, (HDC)wParam);
LeaveCriticalSection(&infoPtr->cs);
}
else
{
PAINTSTRUCT ps;
HDC hDC = BeginPaint(infoPtr->hwndSelf, &ps);
EnterCriticalSection(&infoPtr->cs);
ANIMATE_PaintFrame(infoPtr, hDC);
LeaveCriticalSection(&infoPtr->cs);
EndPaint(infoPtr->hwndSelf, &ps);
}
}
break;
case WM_SIZE:
if (infoPtr->dwStyle & ACS_CENTER)
InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
return DefWindowProcW(hWnd, uMsg, wParam, lParam);
default:
if ((uMsg >= WM_USER) && (uMsg < WM_APP))
ERR("unknown msg %04x wp=%08lx lp=%08lx\n", uMsg, wParam, lParam);
return DefWindowProcW(hWnd, uMsg, wParam, lParam);
}
return 0;
}
void ANIMATE_Register(void)
{
WNDCLASSW wndClass;
ZeroMemory(&wndClass, sizeof(WNDCLASSW));
wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
wndClass.lpfnWndProc = ANIMATE_WindowProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = sizeof(ANIMATE_INFO *);
wndClass.hCursor = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
wndClass.lpszClassName = ANIMATE_CLASSW;
RegisterClassW(&wndClass);
}
void ANIMATE_Unregister(void)
{
UnregisterClassW(ANIMATE_CLASSW, NULL);
}
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