std::string Manager::init_plugin_path() {
char* env = getenv("GSTLAPPLIHOME");
if( env ) {
//std::string base_path( env );
//return base_path + "/plugins/";
QString envpath( env );
QDir homedir( envpath );
homedir.cd( "plugins" );
QByteArray tmp = homedir.absolutePath().toAscii();
return tmp.constData();
}
else {
QDir current_dir;
//std::string path( current_dir.absPath().latin1() );
//path += "/plugins/";
//return ( path + "/plugins/" );
current_dir.cd( "plugins" );
QByteArray tmp = current_dir.absolutePath().toAscii();
return tmp.constData();
}
}
static WCHAR *GetGhostscriptPath()
{
WCHAR *gsProducts[] = {
L"AFPL Ghostscript",
L"Aladdin Ghostscript",
L"GPL Ghostscript",
L"GNU Ghostscript",
};
// find all installed Ghostscript versions
WStrVec versions;
REGSAM access = KEY_READ | KEY_WOW64_32KEY;
TryAgain64Bit:
for (int i = 0; i < dimof(gsProducts); i++) {
HKEY hkey;
ScopedMem<WCHAR> keyName(str::Join(L"Software\\", gsProducts[i]));
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, keyName, 0, access, &hkey) != ERROR_SUCCESS)
continue;
WCHAR subkey[32];
for (DWORD ix = 0; RegEnumKey(hkey, ix, subkey, dimof(subkey)) == ERROR_SUCCESS; ix++)
versions.Append(str::Dup(subkey));
RegCloseKey(hkey);
}
if ((access & KEY_WOW64_32KEY)) {
// also look for 64-bit Ghostscript versions under 64-bit Windows
access = KEY_READ | KEY_WOW64_64KEY;
#ifndef _WIN64
// (unless this is 32-bit Windows)
if (IsRunningInWow64())
#endif
goto TryAgain64Bit;
}
versions.SortNatural();
// return the path to the newest installation
for (size_t ix = versions.Count(); ix > 0; ix--) {
for (int i = 0; i < dimof(gsProducts); i++) {
ScopedMem<WCHAR> keyName(str::Format(L"Software\\%s\\%s",
gsProducts[i], versions.At(ix - 1)));
ScopedMem<WCHAR> GS_DLL(ReadRegStr(HKEY_LOCAL_MACHINE, keyName, L"GS_DLL"));
if (!GS_DLL)
continue;
ScopedMem<WCHAR> dir(path::GetDir(GS_DLL));
ScopedMem<WCHAR> exe(path::Join(dir, L"gswin32c.exe"));
if (file::Exists(exe))
return exe.StealData();
exe.Set(path::Join(dir, L"gswin64c.exe"));
if (file::Exists(exe))
return exe.StealData();
}
}
// if Ghostscript isn't found in the Registry, try finding it in the %PATH%
DWORD size = GetEnvironmentVariable(L"PATH", NULL, 0);
ScopedMem<WCHAR> envpath(AllocArray<WCHAR>(size));
if (size > 0 && envpath) {
GetEnvironmentVariable(L"PATH", envpath, size);
WStrVec paths;
paths.Split(envpath, L";", true);
for (size_t ix = 0; ix < paths.Count(); ix++) {
ScopedMem<WCHAR> exe(path::Join(paths.At(ix), L"gswin32c.exe"));
if (file::Exists(exe))
return exe.StealData();
exe.Set(path::Join(paths.At(ix), L"gswin64c.exe"));
if (file::Exists(exe))
return exe.StealData();
}
}
return NULL;
}