WHeapString GetSystemFontPath(const WStringRef& faceName)
{
static const LPWSTR fontRegistryPath = L"Software\\Microsoft\\Windows NT\\CurrentVersion\\Fonts";
HKEY hKey;
LONG result;
// Open Windows font registry key
result = RegOpenKeyEx(HKEY_LOCAL_MACHINE, fontRegistryPath, 0, KEY_READ, &hKey);
if (result != ERROR_SUCCESS)
{
return WHeapString::Empty;
}
DWORD maxValueNameSize, maxValueDataSize;
result = RegQueryInfoKey(hKey, 0, 0, 0, 0, 0, 0, 0, &maxValueNameSize, &maxValueDataSize, 0, 0);
if (result != ERROR_SUCCESS)
{
return WHeapString::Empty;
}
DWORD valueIndex = 0;
LPWSTR valueName = new WCHAR[maxValueNameSize];
LPBYTE valueData = new BYTE[maxValueDataSize];
DWORD valueNameSize, valueDataSize, valueType;
WHeapString resultFontFile;
// Look for a matching font name
do
{
resultFontFile.Clear();
valueDataSize = maxValueDataSize;
valueNameSize = maxValueNameSize;
result = RegEnumValue(hKey, valueIndex, valueName, &valueNameSize, 0, &valueType, valueData, &valueDataSize);
valueIndex++;
if (result != ERROR_SUCCESS || valueType != REG_SZ)
{
continue;
}
WStringRef wsValueName(valueName, valueNameSize);
// Found a match
if (wsValueName.BeginWith(faceName))
{
resultFontFile = WStringRef((LPWSTR)valueData, valueDataSize);
break;
}
} while (result != ERROR_NO_MORE_ITEMS);
delete[] valueName;
delete[] valueData;
RegCloseKey(hKey);
if (resultFontFile.IsEmpty())
{
return WHeapString::Empty;
}
// Build full font file path
WHeapString resultPath;
resultPath.ReserveSize(MAX_PATH);
uint len = GetWindowsDirectory(resultPath.MutableBuffer(), MAX_PATH); //add win dir path
resultPath.ForceSetLength(len);
resultPath += L"\\Fonts\\";
resultPath += resultFontFile;
return resultPath;
}
static String platformGetFontPath(const String& faceName) {
static const LPWSTR fontRegistryPath = L"Software\\Microsoft\\Windows NT\\CurrentVersion\\Fonts";
HKEY hKey;
LONG result;
std::wstring wsFaceName(faceName.begin(), faceName.end());
// Open Windows font registry key
result = RegOpenKeyEx(HKEY_LOCAL_MACHINE, fontRegistryPath, 0, KEY_READ, &hKey);
if (result != ERROR_SUCCESS) {
throw std::runtime_error("Cant open registry!");
}
DWORD maxValueNameSize, maxValueDataSize;
result = RegQueryInfoKey(hKey, 0, 0, 0, 0, 0, 0, 0, &maxValueNameSize, &maxValueDataSize, 0, 0);
if (result != ERROR_SUCCESS) {
throw std::runtime_error("Cant query registry!");
}
DWORD valueIndex = 0;
LPWSTR valueName = new WCHAR[maxValueNameSize];
LPBYTE valueData = new BYTE[maxValueDataSize];
DWORD valueNameSize, valueDataSize, valueType;
std::wstring wsFontFile;
// Look for a matching font name
do {
wsFontFile.clear();
valueDataSize = maxValueDataSize;
valueNameSize = maxValueNameSize;
result = RegEnumValue(hKey, valueIndex, valueName, &valueNameSize, 0, &valueType, valueData, &valueDataSize);
valueIndex++;
if (result != ERROR_SUCCESS || valueType != REG_SZ) {
continue;
}
std::wstring wsValueName(valueName, valueNameSize);
// Found a match
if (_wcsnicmp(wsFaceName.c_str(), wsValueName.c_str(), wsFaceName.size()) == 0) {
wsFontFile.assign((LPWSTR)valueData, valueDataSize);
break;
}
} while (result != ERROR_NO_MORE_ITEMS);
delete[] valueName;
delete[] valueData;
RegCloseKey(hKey);
if (wsFontFile.empty()) {
throw std::runtime_error("Did not find matching font!");
}
// Build full font file path
WCHAR winDir[MAX_PATH];
GetWindowsDirectory(winDir, MAX_PATH);
std::wstringstream ss;
ss << winDir << "\\Fonts\\" << wsFontFile;
wsFontFile = ss.str();
return String(wsFontFile.begin(), wsFontFile.end());
}
