static void DoOpenFile(LPCWSTR filename)
{
if (!filename) return;
isAldus = FileIsPlaceable(filename);
if (isAldus) {
hmf = GetPlaceableMetaFile(filename);
} else {
RECT r;
isEnhanced = FileIsEnhanced(filename);
if (isEnhanced)
enhmf = GetEnhMetaFileW(filename);
else
hmf = GetMetaFileW(filename);
GetClientRect(hMainWnd, &r);
width = r.right - r.left;
height = r.bottom - r.top;
}
InvalidateRect( hMainWnd, NULL, TRUE );
}
static HENHMETAFILE ReadEnhMetaFile(const char *path,long *width,
long *height)
{
#pragma pack( push )
#pragma pack( 2 )
typedef struct
{
DWORD dwKey;
WORD hmf;
SMALL_RECT bbox;
WORD wInch;
DWORD dwReserved;
WORD wCheckSum;
} APMHEADER, *PAPMHEADER;
#pragma pack( pop )
DWORD
dwSize;
ENHMETAHEADER
emfh;
HANDLE
hFile;
HDC
hDC;
HENHMETAFILE
hTemp;
LPBYTE
pBits;
METAFILEPICT
mp;
HMETAFILE
hOld;
*width=512;
*height=512;
hTemp=GetEnhMetaFile(path);
#if defined(MAGICKCORE_HAVE__WFOPEN)
if (hTemp == (HENHMETAFILE) NULL)
{
wchar_t
*unicode_path;
unicode_path=ConvertUTF8ToUTF16(path);
if (unicode_path != (wchar_t *) NULL)
{
hTemp=GetEnhMetaFileW(unicode_path);
unicode_path=(wchar_t *) RelinquishMagickMemory(unicode_path);
}
}
#endif
if (hTemp != (HENHMETAFILE) NULL)
{
/*
Enhanced metafile.
*/
GetEnhMetaFileHeader(hTemp,sizeof(ENHMETAHEADER),&emfh);
*width=emfh.rclFrame.right-emfh.rclFrame.left;
*height=emfh.rclFrame.bottom-emfh.rclFrame.top;
return(hTemp);
}
hOld=GetMetaFile(path);
if (hOld != (HMETAFILE) NULL)
{
/*
16bit windows metafile.
*/
dwSize=GetMetaFileBitsEx(hOld,0,NULL);
if (dwSize == 0)
{
DeleteMetaFile(hOld);
return((HENHMETAFILE) NULL);
}
pBits=(LPBYTE) AcquireQuantumMemory(dwSize,sizeof(*pBits));
if (pBits == (LPBYTE) NULL)
{
DeleteMetaFile(hOld);
return((HENHMETAFILE) NULL);
}
if (GetMetaFileBitsEx(hOld,dwSize,pBits) == 0)
{
pBits=(BYTE *) DestroyString((char *) pBits);
DeleteMetaFile(hOld);
return((HENHMETAFILE) NULL);
}
/*
Make an enhanced metafile from the windows metafile.
*/
mp.mm=MM_ANISOTROPIC;
mp.xExt=1000;
mp.yExt=1000;
mp.hMF=NULL;
hDC=GetDC(NULL);
hTemp=SetWinMetaFileBits(dwSize,pBits,hDC,&mp);
ReleaseDC(NULL,hDC);
DeleteMetaFile(hOld);
pBits=(BYTE *) DestroyString((char *) pBits);
GetEnhMetaFileHeader(hTemp,sizeof(ENHMETAHEADER),&emfh);
*width=emfh.rclFrame.right-emfh.rclFrame.left;
*height=emfh.rclFrame.bottom-emfh.rclFrame.top;
return(hTemp);
}
/*
Aldus Placeable metafile.
*/
hFile=CreateFile(path,GENERIC_READ,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,
NULL);
if (hFile == INVALID_HANDLE_VALUE)
return(NULL);
dwSize=GetFileSize(hFile,NULL);
pBits=(LPBYTE) AcquireQuantumMemory(dwSize,sizeof(*pBits));
ReadFile(hFile,pBits,dwSize,&dwSize,NULL);
CloseHandle(hFile);
if (((PAPMHEADER) pBits)->dwKey != 0x9ac6cdd7l)
{
pBits=(BYTE *) DestroyString((char *) pBits);
return((HENHMETAFILE) NULL);
}
/*
Make an enhanced metafile from the placable metafile.
*/
mp.mm=MM_ANISOTROPIC;
mp.xExt=((PAPMHEADER) pBits)->bbox.Right-((PAPMHEADER) pBits)->bbox.Left;
*width=mp.xExt;
mp.xExt=(mp.xExt*2540l)/(DWORD) (((PAPMHEADER) pBits)->wInch);
mp.yExt=((PAPMHEADER)pBits)->bbox.Bottom-((PAPMHEADER) pBits)->bbox.Top;
*height=mp.yExt;
mp.yExt=(mp.yExt*2540l)/(DWORD) (((PAPMHEADER) pBits)->wInch);
mp.hMF=NULL;
hDC=GetDC(NULL);
hTemp=SetWinMetaFileBits(dwSize,&(pBits[sizeof(APMHEADER)]),hDC,&mp);
ReleaseDC(NULL,hDC);
pBits=(BYTE *) DestroyString((char *) pBits);
return(hTemp);
}
