diff options
Diffstat (limited to 'core/fpdfapi/font/fpdf_font.cpp')
| -rw-r--r-- | core/fpdfapi/font/fpdf_font.cpp | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/core/fpdfapi/font/fpdf_font.cpp b/core/fpdfapi/font/fpdf_font.cpp index 1273ff5f6d..056204ad7e 100644 --- a/core/fpdfapi/font/fpdf_font.cpp +++ b/core/fpdfapi/font/fpdf_font.cpp @@ -199,6 +199,12 @@ CPDF_ToUnicodeMap::CPDF_ToUnicodeMap() : m_pBaseMap(nullptr) {} CPDF_ToUnicodeMap::~CPDF_ToUnicodeMap() {} +uint32_t CPDF_ToUnicodeMap::GetUnicode() { + FX_SAFE_UINT32 uni = m_MultiCharBuf.GetLength(); + uni = uni * 0x10000 + 0xffff; + return uni.ValueOrDefault(0); +} + void CPDF_ToUnicodeMap::Load(CPDF_Stream* pStream) { CIDSet cid_set = CIDSET_UNKNOWN; CPDF_StreamAcc stream; @@ -225,10 +231,7 @@ void CPDF_ToUnicodeMap::Load(CPDF_Stream* pStream) { if (len == 1) { m_Map[srccode] = destcode.GetAt(0); } else { - FX_SAFE_UINT32 uni = m_MultiCharBuf.GetLength(); - uni *= 0x10000; - uni += 0xffff; - m_Map[srccode] = uni.ValueOrDie(); + m_Map[srccode] = GetUnicode(); m_MultiCharBuf.AppendChar(destcode.GetLength()); m_MultiCharBuf << destcode; } @@ -259,10 +262,7 @@ void CPDF_ToUnicodeMap::Load(CPDF_Stream* pStream) { if (len == 1) { m_Map[code] = destcode.GetAt(0); } else { - FX_SAFE_UINT32 uni = m_MultiCharBuf.GetLength(); - uni *= 0x10000; - uni += 0xffff; - m_Map[code] = uni.ValueOrDie(); + m_Map[code] = GetUnicode(); m_MultiCharBuf.AppendChar(destcode.GetLength()); m_MultiCharBuf << destcode; } @@ -285,10 +285,7 @@ void CPDF_ToUnicodeMap::Load(CPDF_Stream* pStream) { } else { retcode = StringDataAdd(destcode); } - FX_SAFE_UINT32 uni = m_MultiCharBuf.GetLength(); - uni *= 0x10000; - uni += 0xffff; - m_Map[code] = uni.ValueOrDie(); + m_Map[code] = GetUnicode(); m_MultiCharBuf.AppendChar(retcode.GetLength()); m_MultiCharBuf << retcode; destcode = retcode; |