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/*
* Copyright 1998 Marcus Meissner
* Copyright 2000 Bradley Baetz
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* FIXME: This all assumes 32 bit codecs
* Win95 appears to prefer 32 bit codecs, even from 16 bit code.
* There is the ICOpenFunction16 to worry about still, though.
*/
#include <stdio.h>
#include <string.h>
#include "winbase.h"
#include "windef.h"
#include "wingdi.h"
#include "winuser.h"
#include "vfw.h"
#include "wine/winbase16.h"
#include "wine/debug.h"
#include "msvideo_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(msvideo);
LRESULT (CALLBACK *pFnCallTo16)(HDRVR, HIC, UINT, LPARAM, LPARAM) = NULL;
/***********************************************************************
* VideoForWindowsVersion [MSVFW32.2]
* VideoForWindowsVersion [MSVIDEO.2]
* Returns the version in major.minor form.
* In Windows95 this returns 0x040003b6 (4.950)
*/
DWORD WINAPI VideoForWindowsVersion(void)
{
return 0x040003B6; /* 4.950 */
}
/* system.ini: [drivers] */
/***********************************************************************
* ICInfo [MSVFW32.@]
* Get information about an installable compressor. Return TRUE if there
* is one.
*/
BOOL VFWAPI ICInfo(
DWORD fccType, /* [in] type of compressor ('vidc') */
DWORD fccHandler, /* [in] <n>th compressor */
ICINFO *lpicinfo) /* [out] information about compressor */
{
char type[5],buf[2000];
memcpy(type,&fccType,4);type[4]=0;
TRACE("(%s,%ld,%p).\n",type,fccHandler,lpicinfo);
/* does OpenDriver/CloseDriver */
lpicinfo->dwSize = sizeof(ICINFO);
lpicinfo->fccType = fccType;
lpicinfo->dwFlags = 0;
if (GetPrivateProfileStringA("drivers32",NULL,NULL,buf,2000,"system.ini")) {
char *s = buf;
while (*s) {
if (!strncasecmp(type,s,4)) {
if(!fccHandler--) {
lpicinfo->fccHandler = mmioStringToFOURCCA(s+5,0);
return TRUE;
}
}
s=s+strlen(s)+1; /* either next char or \0 */
}
}
return FALSE;
}
/***********************************************************************
* ICOpen [MSVFW32.@]
* Opens an installable compressor. Return special handle.
*/
HIC VFWAPI ICOpen(DWORD fccType,DWORD fccHandler,UINT wMode) {
char type[5],handler[5],codecname[20];
ICOPEN icopen;
HDRVR hdrv;
HIC hic;
WINE_HIC *whic;
BOOL bIs16;
memcpy(type,&fccType,4);type[4]=0;
memcpy(handler,&fccHandler,4);handler[4]=0;
TRACE("(%s,%s,0x%08lx)\n",type,handler,(DWORD)wMode);
sprintf(codecname,"%s.%s",type,handler);
/* Well, lParam2 is in fact a LPVIDEO_OPEN_PARMS, but it has the
* same layout as ICOPEN
*/
icopen.dwSize = sizeof(ICOPEN);
icopen.fccType = fccType;
icopen.fccHandler = fccHandler;
icopen.dwVersion = 0x00001000; /* FIXME */
icopen.dwFlags = wMode;
icopen.dwError = 0;
icopen.pV1Reserved = NULL;
icopen.pV2Reserved = NULL;
icopen.dnDevNode = 0; /* FIXME */
hdrv=OpenDriverA(codecname,"drivers32",(LPARAM)&icopen);
if (!hdrv) {
if (!strcasecmp(type,"vids")) {
sprintf(codecname,"vidc.%s",handler);
fccType = mmioFOURCC('v','i','d','c');
}
hdrv=OpenDriverA(codecname,"drivers32",(LPARAM)&icopen);
if (!hdrv)
return 0;
}
bIs16 = GetDriverFlags(hdrv) & WINE_GDF_16BIT;
if (bIs16 && !pFnCallTo16)
{
FIXME("Got a 16 bit driver, but no 16 bit support in msvfw\n");
return 0;
}
/* The handle should be a valid 16-bit handle as well */
hic = HIC_32(GlobalAlloc16(GHND,sizeof(WINE_HIC)));
whic = (WINE_HIC*)GlobalLock16(HIC_16(hic));
whic->hdrv = hdrv;
/* FIXME: is the signature the real one ? */
whic->driverproc = bIs16 ? (DRIVERPROC)pFnCallTo16 : NULL;
whic->driverproc16 = NULL;
GlobalUnlock16(HIC_16(hic));
TRACE("=> %p\n",hic);
return HIC_32(hic);
}
/***********************************************************************
* MSVIDEO_OpenFunction
*/
HIC MSVIDEO_OpenFunction(DWORD fccType, DWORD fccHandler, UINT wMode,
DRIVERPROC lpfnHandler, DRIVERPROC16 lpfnHandler16)
{
char type[5],handler[5],codecname[20];
HIC hic;
ICOPEN icopen;
WINE_HIC *whic;
memcpy(type,&fccType,4);type[4]=0;
memcpy(handler,&fccHandler,4);handler[4]=0;
TRACE("(%s,%s,%d,%p,%p)\n",type,handler,wMode,lpfnHandler,lpfnHandler16);
icopen.fccType = fccType;
icopen.fccHandler = fccHandler;
icopen.dwSize = sizeof(ICOPEN);
icopen.dwFlags = wMode;
sprintf(codecname,"%s.%s",type,handler);
hic = HIC_32(GlobalAlloc16(GHND,sizeof(WINE_HIC)));
if (!hic)
return 0;
whic = GlobalLock16(HIC_16(hic));
whic->driverproc = lpfnHandler;
whic->driverproc16 = lpfnHandler16;
/* Now try opening/loading the driver. Taken from DRIVER_AddToList */
/* What if the function is used more than once? */
if (MSVIDEO_SendMessage(hic,DRV_LOAD,0L,0L) != DRV_SUCCESS) {
WARN("DRV_LOAD failed for hic %p\n", hic);
GlobalFree16(HIC_16(hic));
return 0;
}
/* return value is not checked */
MSVIDEO_SendMessage(hic,DRV_ENABLE,0L,0L);
whic->hdrv = (HDRVR)MSVIDEO_SendMessage(hic,DRV_OPEN,0,(DWORD)&icopen);
if (whic->hdrv == 0) {
WARN("DRV_OPEN failed for hic %p\n",hic);
GlobalFree16(HIC_16(hic));
return 0;
}
GlobalUnlock16(HIC_16(hic));
TRACE("=> %p\n",hic);
return hic;
}
/***********************************************************************
* ICOpenFunction [MSVFW32.@]
*/
HIC VFWAPI ICOpenFunction(DWORD fccType, DWORD fccHandler, UINT wMode, FARPROC lpfnHandler)
{
return MSVIDEO_OpenFunction(fccType, fccHandler, wMode, (DRIVERPROC)lpfnHandler, NULL);
}
/***********************************************************************
* ICGetInfo [MSVFW32.@]
*/
LRESULT VFWAPI ICGetInfo(HIC hic,ICINFO *picinfo,DWORD cb) {
LRESULT ret;
TRACE("(%p,%p,%ld)\n",hic,picinfo,cb);
ret = ICSendMessage(hic,ICM_GETINFO,(DWORD)picinfo,cb);
TRACE(" -> 0x%08lx\n",ret);
return ret;
}
/***********************************************************************
* ICLocate [MSVFW32.@]
*/
HIC VFWAPI ICLocate(
DWORD fccType, DWORD fccHandler, LPBITMAPINFOHEADER lpbiIn,
LPBITMAPINFOHEADER lpbiOut, WORD wMode)
{
char type[5],handler[5];
HIC hic;
DWORD querymsg;
LPSTR pszBuffer;
type[4]=0;memcpy(type,&fccType,4);
handler[4]=0;memcpy(handler,&fccHandler,4);
TRACE("(%s,%s,%p,%p,0x%04x)\n", type, handler, lpbiIn, lpbiOut, wMode);
switch (wMode) {
case ICMODE_FASTCOMPRESS:
case ICMODE_COMPRESS:
querymsg = ICM_COMPRESS_QUERY;
break;
case ICMODE_FASTDECOMPRESS:
case ICMODE_DECOMPRESS:
querymsg = ICM_DECOMPRESS_QUERY;
break;
case ICMODE_DRAW:
querymsg = ICM_DRAW_QUERY;
break;
default:
WARN("Unknown mode (%d)\n",wMode);
return 0;
}
/* Easy case: handler/type match, we just fire a query and return */
hic = ICOpen(fccType,fccHandler,wMode);
if (hic) {
if (!ICSendMessage(hic,querymsg,(DWORD)lpbiIn,(DWORD)lpbiOut))
return hic;
ICClose(hic);
}
type[4]='.';memcpy(type,&fccType,4);
handler[4]='.';memcpy(handler,&fccHandler,4);
/* Now try each driver in turn. 32 bit codecs only. */
/* FIXME: Move this to an init routine? */
pszBuffer = (LPSTR)HeapAlloc(GetProcessHeap(),0,1024);
if (GetPrivateProfileSectionA("drivers32",pszBuffer,1024,"system.ini")) {
char* s = pszBuffer;
while (*s) {
if (!strncasecmp(type,s,5)) {
char *s2 = s;
while (*s2 != '\0' && *s2 != '.') s2++;
if (*s2++) {
HIC h;
h = ICOpen(fccType,*(DWORD*)s2,wMode);
if (h) {
if (!ICSendMessage(h,querymsg,(DWORD)lpbiIn,(DWORD)lpbiOut))
return h;
ICClose(h);
}
}
}
s += strlen(s) + 1;
}
}
HeapFree(GetProcessHeap(),0,pszBuffer);
if (fccType==streamtypeVIDEO) {
hic = ICLocate(ICTYPE_VIDEO,fccHandler,lpbiIn,lpbiOut,wMode);
if (hic)
return hic;
}
type[4] = handler[4] = '\0';
WARN("(%.4s,%.4s,%p,%p,0x%04x) not found!\n",type,handler,lpbiIn,lpbiOut,wMode);
return 0;
}
/***********************************************************************
* ICGetDisplayFormat [MSVFW32.@]
*/
HIC VFWAPI ICGetDisplayFormat(
HIC hic,LPBITMAPINFOHEADER lpbiIn,LPBITMAPINFOHEADER lpbiOut,
INT depth,INT dx,INT dy)
{
HIC tmphic = hic;
FIXME("(%p,%p,%p,%d,%d,%d),stub!\n",hic,lpbiIn,lpbiOut,depth,dx,dy);
if (!tmphic) {
tmphic=ICLocate(ICTYPE_VIDEO,0,lpbiIn,NULL,ICMODE_DECOMPRESS);
if (!tmphic)
return tmphic;
}
if ((dy == lpbiIn->biHeight) && (dx == lpbiIn->biWidth))
dy = dx = 0; /* no resize needed */
/* Can we decompress it ? */
if (ICDecompressQuery(tmphic,lpbiIn,NULL) != 0)
goto errout; /* no, sorry */
ICDecompressGetFormat(tmphic,lpbiIn,lpbiOut);
if (lpbiOut->biCompression != 0) {
FIXME("Ooch, how come decompressor outputs compressed data (%ld)??\n",
lpbiOut->biCompression);
}
if (lpbiOut->biSize < sizeof(*lpbiOut)) {
FIXME("Ooch, size of output BIH is too small (%ld)\n",
lpbiOut->biSize);
lpbiOut->biSize = sizeof(*lpbiOut);
}
if (!depth) {
HDC hdc;
hdc = GetDC(0);
depth = GetDeviceCaps(hdc,BITSPIXEL)*GetDeviceCaps(hdc,PLANES);
ReleaseDC(0,hdc);
if (depth==15) depth = 16;
if (depth<8) depth = 8;
}
if (lpbiIn->biBitCount == 8)
depth = 8;
TRACE("=> %p\n", tmphic);
return tmphic;
errout:
if (hic!=tmphic)
ICClose(tmphic);
TRACE("=> 0\n");
return 0;
}
/***********************************************************************
* ICCompress [MSVFW32.@]
*/
DWORD VFWAPIV
ICCompress(
HIC hic,DWORD dwFlags,LPBITMAPINFOHEADER lpbiOutput,LPVOID lpData,
LPBITMAPINFOHEADER lpbiInput,LPVOID lpBits,LPDWORD lpckid,
LPDWORD lpdwFlags,LONG lFrameNum,DWORD dwFrameSize,DWORD dwQuality,
LPBITMAPINFOHEADER lpbiPrev,LPVOID lpPrev)
{
ICCOMPRESS iccmp;
TRACE("(%p,%ld,%p,%p,%p,%p,...)\n",hic,dwFlags,lpbiOutput,lpData,lpbiInput,lpBits);
iccmp.dwFlags = dwFlags;
iccmp.lpbiOutput = lpbiOutput;
iccmp.lpOutput = lpData;
iccmp.lpbiInput = lpbiInput;
iccmp.lpInput = lpBits;
iccmp.lpckid = lpckid;
iccmp.lpdwFlags = lpdwFlags;
iccmp.lFrameNum = lFrameNum;
iccmp.dwFrameSize = dwFrameSize;
iccmp.dwQuality = dwQuality;
iccmp.lpbiPrev = lpbiPrev;
iccmp.lpPrev = lpPrev;
return ICSendMessage(hic,ICM_COMPRESS,(DWORD)&iccmp,sizeof(iccmp));
}
/***********************************************************************
* ICDecompress [MSVFW32.@]
*/
DWORD VFWAPIV ICDecompress(HIC hic,DWORD dwFlags,LPBITMAPINFOHEADER lpbiFormat,
LPVOID lpData,LPBITMAPINFOHEADER lpbi,LPVOID lpBits)
{
ICDECOMPRESS icd;
DWORD ret;
TRACE("(%p,%ld,%p,%p,%p,%p)\n",hic,dwFlags,lpbiFormat,lpData,lpbi,lpBits);
TRACE("lpBits[0] == %ld\n",((LPDWORD)lpBits)[0]);
icd.dwFlags = dwFlags;
icd.lpbiInput = lpbiFormat;
icd.lpInput = lpData;
icd.lpbiOutput = lpbi;
icd.lpOutput = lpBits;
icd.ckid = 0;
ret = ICSendMessage(hic,ICM_DECOMPRESS,(DWORD)&icd,sizeof(ICDECOMPRESS));
TRACE("lpBits[0] == %ld\n",((LPDWORD)lpBits)[0]);
TRACE("-> %ld\n",ret);
return ret;
}
/******************************************************************
* MSVIDEO_SendMessage
*
*
*/
LRESULT MSVIDEO_SendMessage(HIC hic,UINT msg,DWORD lParam1,DWORD lParam2)
{
LRESULT ret;
WINE_HIC* whic = GlobalLock16(HIC_16(hic));
#define XX(x) case x: TRACE("(%p,"#x",0x%08lx,0x%08lx)\n",hic,lParam1,lParam2);break;
switch (msg) {
/* DRV_* */
XX(DRV_LOAD);
XX(DRV_ENABLE);
XX(DRV_OPEN);
XX(DRV_CLOSE);
XX(DRV_DISABLE);
XX(DRV_FREE);
/* ICM_RESERVED+X */
XX(ICM_ABOUT);
XX(ICM_CONFIGURE);
XX(ICM_GET);
XX(ICM_GETINFO);
XX(ICM_GETDEFAULTQUALITY);
XX(ICM_GETQUALITY);
XX(ICM_GETSTATE);
XX(ICM_SETQUALITY);
XX(ICM_SET);
XX(ICM_SETSTATE);
/* ICM_USER+X */
XX(ICM_COMPRESS_FRAMES_INFO);
XX(ICM_COMPRESS_GET_FORMAT);
XX(ICM_COMPRESS_GET_SIZE);
XX(ICM_COMPRESS_QUERY);
XX(ICM_COMPRESS_BEGIN);
XX(ICM_COMPRESS);
XX(ICM_COMPRESS_END);
XX(ICM_DECOMPRESS_GET_FORMAT);
XX(ICM_DECOMPRESS_QUERY);
XX(ICM_DECOMPRESS_BEGIN);
XX(ICM_DECOMPRESS);
XX(ICM_DECOMPRESS_END);
XX(ICM_DECOMPRESS_SET_PALETTE);
XX(ICM_DECOMPRESS_GET_PALETTE);
XX(ICM_DRAW_QUERY);
XX(ICM_DRAW_BEGIN);
XX(ICM_DRAW_GET_PALETTE);
XX(ICM_DRAW_START);
XX(ICM_DRAW_STOP);
XX(ICM_DRAW_END);
XX(ICM_DRAW_GETTIME);
XX(ICM_DRAW);
XX(ICM_DRAW_WINDOW);
XX(ICM_DRAW_SETTIME);
XX(ICM_DRAW_REALIZE);
XX(ICM_DRAW_FLUSH);
XX(ICM_DRAW_RENDERBUFFER);
XX(ICM_DRAW_START_PLAY);
XX(ICM_DRAW_STOP_PLAY);
XX(ICM_DRAW_SUGGESTFORMAT);
XX(ICM_DRAW_CHANGEPALETTE);
XX(ICM_GETBUFFERSWANTED);
XX(ICM_GETDEFAULTKEYFRAMERATE);
XX(ICM_DECOMPRESSEX_BEGIN);
XX(ICM_DECOMPRESSEX_QUERY);
XX(ICM_DECOMPRESSEX);
XX(ICM_DECOMPRESSEX_END);
XX(ICM_SET_STATUS_PROC);
default:
FIXME("(%p,0x%08lx,0x%08lx,0x%08lx) unknown message\n",hic,(DWORD)msg,lParam1,lParam2);
}
#undef XX
if (!whic) return ICERR_BADHANDLE;
if (whic->driverproc) {
ret = whic->driverproc((DWORD)hic, whic->hdrv, msg, lParam1, lParam2);
} else {
ret = SendDriverMessage(whic->hdrv, msg, lParam1, lParam2);
}
GlobalUnlock16(HIC_16(hic));
TRACE(" -> 0x%08lx\n",ret);
return ret;
}
/***********************************************************************
* ICSendMessage [MSVFW32.@]
*/
LRESULT VFWAPI ICSendMessage(HIC hic, UINT msg, DWORD lParam1, DWORD lParam2) {
return MSVIDEO_SendMessage(hic,msg,lParam1,lParam2);
}
/***********************************************************************
* ICDrawBegin [MSVFW32.@]
*/
DWORD VFWAPIV ICDrawBegin(
HIC hic, /* [in] */
DWORD dwFlags, /* [in] flags */
HPALETTE hpal, /* [in] palette to draw with */
HWND hwnd, /* [in] window to draw to */
HDC hdc, /* [in] HDC to draw to */
INT xDst, /* [in] destination rectangle */
INT yDst, /* [in] */
INT dxDst, /* [in] */
INT dyDst, /* [in] */
LPBITMAPINFOHEADER lpbi, /* [in] format of frame to draw */
INT xSrc, /* [in] source rectangle */
INT ySrc, /* [in] */
INT dxSrc, /* [in] */
INT dySrc, /* [in] */
DWORD dwRate, /* [in] frames/second = (dwRate/dwScale) */
DWORD dwScale) /* [in] */
{
ICDRAWBEGIN icdb;
TRACE("(%p,%ld,%p,%p,%p,%u,%u,%u,%u,%p,%u,%u,%u,%u,%ld,%ld)\n",
hic, dwFlags, hpal, hwnd, hdc, xDst, yDst, dxDst, dyDst,
lpbi, xSrc, ySrc, dxSrc, dySrc, dwRate, dwScale);
icdb.dwFlags = dwFlags;
icdb.hpal = hpal;
icdb.hwnd = hwnd;
icdb.hdc = hdc;
icdb.xDst = xDst;
icdb.yDst = yDst;
icdb.dxDst = dxDst;
icdb.dyDst = dyDst;
icdb.lpbi = lpbi;
icdb.xSrc = xSrc;
icdb.ySrc = ySrc;
icdb.dxSrc = dxSrc;
icdb.dySrc = dySrc;
icdb.dwRate = dwRate;
icdb.dwScale = dwScale;
return ICSendMessage(hic,ICM_DRAW_BEGIN,(DWORD)&icdb,sizeof(icdb));
}
/***********************************************************************
* ICDraw [MSVFW32.@]
*/
DWORD VFWAPIV ICDraw(HIC hic, DWORD dwFlags, LPVOID lpFormat, LPVOID lpData, DWORD cbData, LONG lTime) {
ICDRAW icd;
TRACE("(%p,%ld,%p,%p,%ld,%ld)\n",hic,dwFlags,lpFormat,lpData,cbData,lTime);
icd.dwFlags = dwFlags;
icd.lpFormat = lpFormat;
icd.lpData = lpData;
icd.cbData = cbData;
icd.lTime = lTime;
return ICSendMessage(hic,ICM_DRAW,(DWORD)&icd,sizeof(icd));
}
/***********************************************************************
* ICClose [MSVFW32.@]
*/
LRESULT WINAPI ICClose(HIC hic) {
WINE_HIC *whic = GlobalLock16(HIC_16(hic));
TRACE("(%p)\n",hic);
if (whic->driverproc) {
ICSendMessage(hic,DRV_CLOSE,0,0);
ICSendMessage(hic,DRV_DISABLE,0,0);
ICSendMessage(hic,DRV_FREE,0,0);
} else {
CloseDriver(whic->hdrv,0,0);
}
GlobalUnlock16(HIC_16(hic));
GlobalFree16(HIC_16(hic));
return 0;
}
/***********************************************************************
* ICImageCompress [MSVFW32.@]
*/
HANDLE VFWAPI ICImageCompress(
HIC hic, UINT uiFlags,
LPBITMAPINFO lpbiIn, LPVOID lpBits,
LPBITMAPINFO lpbiOut, LONG lQuality,
LONG* plSize)
{
FIXME("(%p,%08x,%p,%p,%p,%ld,%p)\n",
hic, uiFlags, lpbiIn, lpBits, lpbiOut, lQuality, plSize);
return (HANDLE)NULL;
}
/***********************************************************************
* ICImageDecompress [MSVFW32.@]
*/
HANDLE VFWAPI ICImageDecompress(
HIC hic, UINT uiFlags, LPBITMAPINFO lpbiIn,
LPVOID lpBits, LPBITMAPINFO lpbiOut)
{
HGLOBAL hMem = (HGLOBAL)NULL;
BYTE* pMem = NULL;
BOOL bReleaseIC = FALSE;
BYTE* pHdr = NULL;
LONG cbHdr = 0;
BOOL bSucceeded = FALSE;
BOOL bInDecompress = FALSE;
DWORD biSizeImage;
TRACE("(%p,%08x,%p,%p,%p)\n",
hic, uiFlags, lpbiIn, lpBits, lpbiOut);
if ( hic == (HIC)NULL )
{
hic = ICDecompressOpen( mmioFOURCC('V','I','D','C'), 0, &lpbiIn->bmiHeader, (lpbiOut != NULL) ? &lpbiOut->bmiHeader : NULL );
if ( hic == (HIC)NULL )
{
WARN("no handler\n" );
goto err;
}
bReleaseIC = TRUE;
}
if ( uiFlags != 0 )
{
FIXME( "unknown flag %08x\n", uiFlags );
goto err;
}
if ( lpbiIn == NULL || lpBits == NULL )
{
WARN("invalid argument\n");
goto err;
}
if ( lpbiOut != NULL )
{
if ( lpbiOut->bmiHeader.biSize != sizeof(BITMAPINFOHEADER) )
goto err;
cbHdr = sizeof(BITMAPINFOHEADER);
if ( lpbiOut->bmiHeader.biCompression == 3 )
cbHdr += sizeof(DWORD)*3;
else
if ( lpbiOut->bmiHeader.biBitCount <= 8 )
{
if ( lpbiOut->bmiHeader.biClrUsed == 0 )
cbHdr += sizeof(RGBQUAD) * (1<<lpbiOut->bmiHeader.biBitCount);
else
cbHdr += sizeof(RGBQUAD) * lpbiOut->bmiHeader.biClrUsed;
}
}
else
{
TRACE( "get format\n" );
cbHdr = ICDecompressGetFormatSize(hic,lpbiIn);
if ( cbHdr < sizeof(BITMAPINFOHEADER) )
goto err;
pHdr = (BYTE*)HeapAlloc(GetProcessHeap(),0,cbHdr+sizeof(RGBQUAD)*256);
if ( pHdr == NULL )
goto err;
ZeroMemory( pHdr, cbHdr+sizeof(RGBQUAD)*256 );
if ( ICDecompressGetFormat( hic, lpbiIn, (BITMAPINFO*)pHdr ) != ICERR_OK )
goto err;
lpbiOut = (BITMAPINFO*)pHdr;
if ( lpbiOut->bmiHeader.biBitCount <= 8 &&
ICDecompressGetPalette( hic, lpbiIn, lpbiOut ) != ICERR_OK &&
lpbiIn->bmiHeader.biBitCount == lpbiOut->bmiHeader.biBitCount )
{
if ( lpbiIn->bmiHeader.biClrUsed == 0 )
memcpy( lpbiOut->bmiColors, lpbiIn->bmiColors, sizeof(RGBQUAD)*(1<<lpbiOut->bmiHeader.biBitCount) );
else
memcpy( lpbiOut->bmiColors, lpbiIn->bmiColors, sizeof(RGBQUAD)*lpbiIn->bmiHeader.biClrUsed );
}
if ( lpbiOut->bmiHeader.biBitCount <= 8 &&
lpbiOut->bmiHeader.biClrUsed == 0 )
lpbiOut->bmiHeader.biClrUsed = 1<<lpbiOut->bmiHeader.biBitCount;
lpbiOut->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
cbHdr = sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*lpbiOut->bmiHeader.biClrUsed;
}
biSizeImage = lpbiOut->bmiHeader.biSizeImage;
if ( biSizeImage == 0 )
biSizeImage = ((((lpbiOut->bmiHeader.biWidth * lpbiOut->bmiHeader.biBitCount + 7) >> 3) + 3) & (~3)) * abs(lpbiOut->bmiHeader.biHeight);
TRACE( "call ICDecompressBegin\n" );
if ( ICDecompressBegin( hic, lpbiIn, lpbiOut ) != ICERR_OK )
goto err;
bInDecompress = TRUE;
TRACE( "cbHdr %ld, biSizeImage %ld\n", cbHdr, biSizeImage );
hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_ZEROINIT, cbHdr + biSizeImage );
if ( hMem == (HGLOBAL)NULL )
{
WARN( "out of memory\n" );
goto err;
}
pMem = (BYTE*)GlobalLock( hMem );
if ( pMem == NULL )
goto err;
memcpy( pMem, lpbiOut, cbHdr );
TRACE( "call ICDecompress\n" );
if ( ICDecompress( hic, 0, &lpbiIn->bmiHeader, lpBits, &lpbiOut->bmiHeader, pMem+cbHdr ) != ICERR_OK )
goto err;
bSucceeded = TRUE;
err:
if ( bInDecompress )
ICDecompressEnd( hic );
if ( bReleaseIC )
ICClose(hic);
if ( pHdr != NULL )
HeapFree(GetProcessHeap(),0,pHdr);
if ( pMem != NULL )
GlobalUnlock( hMem );
if ( !bSucceeded && hMem != (HGLOBAL)NULL )
{
GlobalFree(hMem); hMem = (HGLOBAL)NULL;
}
return (HANDLE)hMem;
}
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