bool wxMkdir(const wxString& dir, int perm)
{
#if defined(__WXMAC__) && !defined(__UNIX__)
if ( mkdir(dir.fn_str(), 0) != 0 )
// assume mkdir() has 2 args on all platforms
// for the GNU compiler
#elif (!defined(__WINDOWS__)) || \
(defined(__GNUWIN32__) && !defined(__MINGW32__)) || \
defined(__WINE__)
const wxChar *dirname = dir.c_str();
#if defined(MSVCRT)
wxUnusedVar(perm);
if ( mkdir(wxFNCONV(dirname)) != 0 )
#else
if ( mkdir(wxFNCONV(dirname), perm) != 0 )
#endif
#else // MSW and VC++
wxUnusedVar(perm);
if ( wxMkDir(dir.fn_str()) != 0 )
#endif // !MSW/MSW
{
wxLogSysError(_("Directory '%s' couldn't be created"), dir);
return false;
}
return true;
}
bool wxMakeMetafilePlaceable(const wxString& filename, int x1, int y1, int x2, int y2, float scale, bool useOriginAndExtent)
{
// I'm not sure if this is the correct way of suggesting a scale
// to the client application, but it's the only way I can find.
int unitsPerInch = (int)(576/scale);
mfPLACEABLEHEADER header;
header.key = 0x9AC6CDD7L;
header.hmf = 0;
header.bbox.left = (int)(x1);
header.bbox.top = (int)(y1);
header.bbox.right = (int)(x2);
header.bbox.bottom = (int)(y2);
header.inch = unitsPerInch;
header.reserved = 0;
// Calculate checksum
WORD *p;
mfPLACEABLEHEADER *pMFHead = &header;
for (p =(WORD *)pMFHead,pMFHead -> checksum = 0;
p < (WORD *)&pMFHead ->checksum; ++p)
pMFHead ->checksum ^= *p;
FILE *fd = wxFopen(filename.fn_str(), _T("rb"));
if (!fd) return false;
wxChar tempFileBuf[256];
wxGetTempFileName(wxT("mf"), tempFileBuf);
FILE *fHandle = wxFopen(wxFNCONV(tempFileBuf), _T("wb"));
if (!fHandle)
return false;
fwrite((void *)&header, sizeof(unsigned char), sizeof(mfPLACEABLEHEADER), fHandle);
// Calculate origin and extent
int originX = x1;
int originY = y1;
int extentX = x2 - x1;
int extentY = (y2 - y1);
// Read metafile header and write
METAHEADER metaHeader;
fread((void *)&metaHeader, sizeof(unsigned char), sizeof(metaHeader), fd);
if (useOriginAndExtent)
metaHeader.mtSize += 15;
else
metaHeader.mtSize += 5;
fwrite((void *)&metaHeader, sizeof(unsigned char), sizeof(metaHeader), fHandle);
// Write SetMapMode, SetWindowOrigin and SetWindowExt records
char modeBuffer[8];
char originBuffer[10];
char extentBuffer[10];
METARECORD *modeRecord = (METARECORD *)&modeBuffer;
METARECORD *originRecord = (METARECORD *)&originBuffer;
METARECORD *extentRecord = (METARECORD *)&extentBuffer;
modeRecord->rdSize = 4;
modeRecord->rdFunction = META_SETMAPMODE;
modeRecord->rdParm[0] = MM_ANISOTROPIC;
originRecord->rdSize = 5;
originRecord->rdFunction = META_SETWINDOWORG;
originRecord->rdParm[0] = originY;
originRecord->rdParm[1] = originX;
extentRecord->rdSize = 5;
extentRecord->rdFunction = META_SETWINDOWEXT;
extentRecord->rdParm[0] = extentY;
extentRecord->rdParm[1] = extentX;
fwrite((void *)modeBuffer, sizeof(char), 8, fHandle);
if (useOriginAndExtent)
{
fwrite((void *)originBuffer, sizeof(char), 10, fHandle);
fwrite((void *)extentBuffer, sizeof(char), 10, fHandle);
}
int ch = -2;
while (ch != EOF)
{
ch = getc(fd);
if (ch != EOF)
{
putc(ch, fHandle);
}
}
fclose(fHandle);
fclose(fd);
wxRemoveFile(filename);
wxCopyFile(tempFileBuf, filename);
wxRemoveFile(tempFileBuf);
return true;
}
// Yes this is ugly. Feel free to come up with a better idea if you have one.
// Using the obvious wxRenameFile (or the underlying wxRename) is no option under Windows, since
// wxRename is simply a fuckshit wrapper around a CRT function which does not work the way
// the wxRename author assumes (MSVCRT rename fails if the target exists, instead of overwriting).
inline bool move(wxString const& old_name, wxString const& new_name)
{
// hopefully I got the unintellegible conversion stuff correct... at least it seems to work...
return ::MoveFileEx(wxFNCONV(old_name), wxFNCONV(new_name), MOVEFILE_REPLACE_EXISTING);
}
