Merge pull request 'Fix bug 81029' (#744) from fix/bug-81029 into release/v9.4.0

Reviewed-on: https://git.onlyoffice.com/ONLYOFFICE/core/pulls/744

DocxRenderer/src/logic/Page.cpp

@@ -367,7 +367,8 @@ namespace NSDocxRenderer
 		            bForcedBold,
 		            m_bUseDefaultFont,
 		            m_bWriteStyleRaw,
-		            m_bCollectMetaInfo
+					m_bCollectMetaInfo,
+					m_bFontSubstitution
 		        );
 	}
 

PdfFile/PdfWriter.cpp

@@ -2674,6 +2674,9 @@ HRESULT CPdfWriter::AddAnnotField(NSFonts::IApplicationFonts* pAppFonts, CAnnotF
 			CAnnotFieldInfo::CWidgetAnnotPr::CSignatureWidgetPr* pPr = oInfo.GetWidgetAnnotPr()->GetSignatureWidgetPr();
 			PdfWriter::CSignatureWidget* pSignatureWidget = (PdfWriter::CSignatureWidget*)pAnnot;
 		}
+
+		if (m_bSplit)
+			pWidgetAnnot->RemoveAP();
 	}
 	else if (oInfo.IsLink())
 	{

PdfFile/lib/xpdf/Gfx.cc

@@ -4082,6 +4082,15 @@ void Gfx::opXObject(Object args[], int numArgs) {
   Object opiDict;
 #endif
 
+  double *ctm;
+  double det;
+
+  ctm = state->getCTM();
+  det = ctm[0] * ctm[3] - ctm[1] * ctm[2];
+  if (fabs(det) <= 1e-10) {
+	return;
+  }
+
   if (!ocState && !out->needCharCount()) {
     return;
   }

TxtFile/Source/TxtFormat/TxtFile.cpp

@@ -100,45 +100,8 @@ const std::vector<std::string> TxtFile::readUtf8Lines(int IdxEncoding)
         {
             unicode_content = conv.toUnicode(file_data.get(), read_size, 65001);
         }
-#if !defined(_WIN32) && !defined(_WIN64)
-        std::wstring regular_text;
-        std::string utf8_result;
 
-        for (size_t i = 0; i < unicode_content.size(); i++)
-        {
-            unsigned int cp = static_cast<unsigned int>(unicode_content[i]);
-
-            if (cp > 0xFFFF)
-            {
-
-                if (!regular_text.empty())
-                {
-                    utf8_result += conv.fromUnicode(regular_text, "UTF-8");
-                    regular_text.clear();
-                }
-
-
-                utf8_result += static_cast<char>(0xF0 | ((cp >> 18) & 0x07));
-                utf8_result += static_cast<char>(0x80 | ((cp >> 12) & 0x3F));
-                utf8_result += static_cast<char>(0x80 | ((cp >> 6) & 0x3F));
-                utf8_result += static_cast<char>(0x80 | (cp & 0x3F));
-            }
-            else
-            {
-                regular_text += unicode_content[i];
-            }
-        }
-
-
-        if (!regular_text.empty())
-        {
-            utf8_result += conv.fromUnicode(regular_text, "UTF-8");
-        }
-
-        utf8_content = utf8_result;
-#else
         utf8_content = conv.fromUnicode(unicode_content, "UTF-8");
-#endif
     }
     size_t lineCount = 0;
     if (!utf8_content.empty())

UnicodeConverter/UnicodeConverter.cpp

@@ -105,6 +105,8 @@ namespace NSUnicodeConverter
 			UErrorCode status = U_ZERO_ERROR;
 
 			int32_t nUCharCapacity = (int32_t)nInputLen;// UTF-16 uses 2 code-points per char
+			if (sizeof(wchar_t) > 2)
+				nUCharCapacity *= 2;
 
 			UChar* pUChar = new UChar[(uint32_t)nUCharCapacity * sizeof(UChar)];
 			if (pUChar)
@@ -169,8 +171,9 @@ namespace NSUnicodeConverter
 			if (U_SUCCESS(status))
 			{
 				int32_t nUCharCapacity = (int32_t)nInputLen;// UTF-16 uses 2 code-points per char
+				if (sizeof(wchar_t) > 2)
+					nUCharCapacity *= 2;
 
-				//UChar* pUChar = new UChar[nUCharCapacity];
 				UChar* pUChar = (UChar*)malloc((uint32_t)nUCharCapacity * sizeof(UChar));
 				if (pUChar)
 				{
@@ -196,7 +199,7 @@ namespace NSUnicodeConverter
 							sRes.clear();
 						}
 					}
-					//delete []pUCharStart;
+					free(pUChar);
 				}
 				ucnv_close(conv);
 			}