Refactoring AllFontsGen (start using CApplicationFontsWorker)

DesktopEditor/common/StringBuilder.cpp

@@ -581,6 +581,18 @@ namespace NSStringUtils
 		std::wstring str(m_pData, (int)m_lSizeCur);
 		return str;
 	}
+    std::wstring CStringBuilder::GetSubData(const size_t& start, const size_t& count)
+    {
+        if (start >= m_lSizeCur)
+            return L"";
+
+        size_t nCountMax = m_lSizeCur - start;
+        if (count != std::wstring::npos && count <= nCountMax)
+            nCountMax = count;
+
+        return std::wstring(m_pData + start, nCountMax);
+    }
+
 	wchar_t* CStringBuilder::GetBuffer()
 	{
 		return m_pData;

DesktopEditor/common/StringBuilder.h

@@ -123,6 +123,7 @@ namespace NSStringUtils
         void ClearNoAttack();
 
         std::wstring GetData();
+        std::wstring GetSubData(const size_t& start = 0, const size_t& count = std::wstring::npos);
         wchar_t* GetBuffer();
 
         void RemoveLastSpaces();