// Here, we grab DC's and stuff from vfw and stash it into our own
// instance info. We also get our movieinfo, which is the structure
// that has the actual hotspots in it. It's in a global variable, even
// though I don't like global variables...
static LONG NEAR PASCAL AVIDrawBegin(PINSTINFO pi, ICDRAWBEGIN FAR *lpicd,
LONG cbicd)
{
LONG l;
l = AVIDrawQuery(pi, lpicd->lpbi);
if ((l != 0) || (lpicd->dwFlags & ICDRAW_QUERY))
{
return l;
}
pi->hdc = lpicd->hdc;
pi->xDst = lpicd->xDst;
pi->yDst = lpicd->yDst;
pi->dxDst = lpicd->dxDst;
pi->dyDst = lpicd->dyDst;
pi->xSrc = lpicd->xSrc;
pi->ySrc = lpicd->ySrc;
pi->dxSrc = lpicd->dxSrc;
pi->dySrc = lpicd->dySrc;
SetStretchBltMode(pi->hdc, COLORONCOLOR);
if (!DrawDibBegin(pi->hdd, pi->hdc,
pi->dxDst, pi->dyDst,
lpicd->lpbi,
pi->dxSrc, pi->dySrc,
0))
{
return ICERR_UNSUPPORTED;
}
if (pi->hddb)
{
DisintegrateMemoryDC(pi);
}
CreateMemoryDC(pi);
pi->lpMovie = pMovieInfo;
return ICERR_OK;
}
// Here, we grab DC's and stuff from vfw and stash it into our own
// instance info. We also get our movieinfo, which is the structure
// that has the actual hotspots in it. A handle to it has been stuck
// on the window with SetProp, so we get the window handle and snag it
// with GetProp.
static LONG NEAR PASCAL AVIDrawBegin(PINSTINFO pi, ICDRAWBEGIN FAR *lpicd, LONG cbicd)
{
LONG l;
l = AVIDrawQuery(pi, lpicd->lpbi);
if ((l != 0) || (lpicd->dwFlags & ICDRAW_QUERY))
{
return l;
}
pi->hdc = lpicd->hdc;
pi->xDst = lpicd->xDst;
pi->yDst = lpicd->yDst;
pi->dxDst = lpicd->dxDst;
pi->dyDst = lpicd->dyDst;
pi->xSrc = lpicd->xSrc;
pi->ySrc = lpicd->ySrc;
pi->dxSrc = lpicd->dxSrc;
pi->dySrc = lpicd->dySrc;
SetStretchBltMode(pi->hdc, COLORONCOLOR);
if (!DrawDibBegin(pi->hdd, pi->hdc,
pi->dxDst, pi->dyDst,
lpicd->lpbi,
pi->dxSrc, pi->dySrc,
0))
{
return ICERR_UNSUPPORTED;
}
if (pi->hddb)
{
DisintegrateMemoryDC(pi);
}
CreateMemoryDC(pi);
{
HANDLE hglb;
hglb = GetProp(lpicd->hwnd,szDrawPropName);
if (hglb)
{
pi->lpMovie = (PMOVIEINFO) GlobalLock(hglb);
pi->hMovie = hglb;
}
else
{
pi->lpMovie = NULL;
pi->hMovie = NULL;
}
}
return ICERR_OK;
}
// this is the drawproc that vfw calls. It basically just hands
// stuff off to other functions later in this file. A few things
// are handled here. This is message-handling proc just like a
// Window Proc or a VBX Control Proc...
LONG FAR PASCAL _export ICAVIDrawProc(DWORD id, HDRVR hDriver,
UINT uiMessage, LPARAM lParam1, LPARAM lParam2)
{
PINSTINFO pi = (PINSTINFO)id;
switch (uiMessage)
{
case DRV_LOAD:
case DRV_FREE:
return 1;
case DRV_OPEN:
if (lParam2 == 0L)
{
// Uh-oh, no data to use...
return 1;
}
return AVIDrawOpen((ICOPEN FAR *)lParam2);
case DRV_CLOSE:
return AVIDrawClose(pi);
case DRV_QUERYCONFIGURE:
return 0;
case DRV_CONFIGURE:
return 1;
case ICM_CONFIGURE:
case ICM_ABOUT:
return ICERR_UNSUPPORTED;
case ICM_GETSTATE:
return 0L;
case ICM_GETINFO:
return AVIDrawGetInfo((ICINFO FAR *)lParam1, lParam2);
case ICM_DRAW_QUERY:
return AVIDrawQuery(pi, (LPBITMAPINFOHEADER)lParam1);
case ICM_DRAW_SUGGESTFORMAT:
return AVIDrawSuggestFormat(pi, (ICDRAWSUGGEST FAR *) lParam1, lParam2);
case ICM_DRAW_BEGIN:
return AVIDrawBegin(pi, (ICDRAWBEGIN FAR *) lParam1, lParam2);
case ICM_DRAW_REALIZE:
pi->hdc = (HDC) lParam1;
if (!pi->hdc || !pi->hdd)
{
// we aren't initialized yet.
break;
}
return DrawDibRealize(pi->hdd, pi->hdc, (BOOL) lParam2);
case ICM_DRAW_GET_PALETTE:
if (!pi->hdd)
{
break;
}
return (LONG) (UINT) DrawDibGetPalette(pi->hdd);
case ICM_DRAW:
return AVIDraw(pi, (ICDRAW FAR *)lParam1, lParam2);
case ICM_DRAW_CHANGEPALETTE:
return AVIDrawChangePalette(pi, (LPBITMAPINFOHEADER) lParam1);
case ICM_DRAW_END:
return AVIDrawEnd(pi);
case DRV_DISABLE:
case DRV_ENABLE:
return 1;
case DRV_INSTALL:
case DRV_REMOVE:
return 1;
}
if (uiMessage < DRV_USER)
{
return DefDriverProc(id,hDriver,uiMessage,lParam1,lParam2);
}
else
{
return ICERR_UNSUPPORTED;
}
}
