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); }