DocFormatReader - fix embedded docx formula

ASCOfficeDocFile/DocDocxConverter/VMLPictureMapping.cpp

@@ -136,14 +136,18 @@ namespace DocFileFormat
 		}
 		return btWin32;
 	}
-	bool ParseEmbeddedEquation( const std::string & xmlString, std::wstring & newXmlString)
+	bool VMLPictureMapping::ParseEmbeddedEquation( const std::string & xmlString, std::wstring & newXmlString)
 	{
 		newXmlString.clear();
-        std::wstring sTempXmlFile = NSDirectory::CreateTempFileWithUniqueName(
-                                                    NSDirectory::GetTempPath(), L"emb");
 
-		sTempXmlFile += L".xml";
-		
+		std::wstring sTempFolder = m_ctx->_doc->m_sTempFolder;
+		if (sTempFolder.empty())
+		{
+            sTempFolder = NSFile::CFileBinary::GetTempPath();
+		}
+
+		std::wstring sTempXmlFile = NSDirectory::CreateTempFileWithUniqueName(sTempFolder, L"emb");
+
 		NSFile::CFileBinary file; 
 		file.CreateFileW(sTempXmlFile);
 		file.WriteFile((BYTE*)xmlString.c_str(), xmlString.size());
@@ -186,6 +190,7 @@ namespace DocFileFormat
 				if (res) break;
 			}
 		}
+		NSFile::CFileBinary::Remove(sTempXmlFile);
 		return res;
 	}
 //---------------------------------------------------------------

ASCOfficeDocFile/DocDocxConverter/VMLPictureMapping.h

@@ -46,7 +46,6 @@ namespace DocFileFormat
 {
 	class OleObject;
 
-	bool ParseEmbeddedEquation( const std::string & xmlString, std::wstring & newXmlString );
 
 	class VMLPictureMapping: public PropertiesMapping, public IMapping
 	{
@@ -58,6 +57,7 @@ namespace DocFileFormat
 		/// Writes a border element
 		void writePictureBorder (const std::wstring & name, const BorderCode* brc);
 		void appendStyleProperty( std::wstring* b, const std::wstring& propName, const std::wstring& propValue ) const;
+		bool ParseEmbeddedEquation( const std::string & xmlString, std::wstring & newXmlString );
 	protected:
 		/// Copies the picture from the binary stream to the zip archive 
 		/// and creates the relationships for the image.

ASCOfficeDocFile/DocDocxConverter/WordDocument.h

@@ -86,6 +86,7 @@ namespace DocFileFormat
 		friend class Table;
 		friend class TableRow;
 		friend class VMLShapeMapping;
+		friend class VMLPictureMapping;
 		friend class OpenXmlPackage;
 		friend class TextboxMapping;