diff options
| -rw-r--r-- | xfa/fgas/layout/cfx_rtfbreak.cpp | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/xfa/fgas/layout/cfx_rtfbreak.cpp b/xfa/fgas/layout/cfx_rtfbreak.cpp index 700139160a..c478d98c72 100644 --- a/xfa/fgas/layout/cfx_rtfbreak.cpp +++ b/xfa/fgas/layout/cfx_rtfbreak.cpp @@ -153,10 +153,17 @@ void CFX_RTFBreak::AppendChar_Tab(CFX_Char* pCurChar) { int32_t& iLineWidth = m_pCurLine->m_iWidth; int32_t iCharWidth = iLineWidth; - if (GetPositionedTab(&iCharWidth)) - iCharWidth -= iLineWidth; - else - iCharWidth = m_iTabWidth * (iLineWidth / m_iTabWidth + 1) - iLineWidth; + FX_SAFE_INT32 iSafeCharWidth; + if (GetPositionedTab(&iCharWidth)) { + iSafeCharWidth = iCharWidth; + } else { + // Tab width is >= 160000, so this part does not need to be checked. + iSafeCharWidth = iLineWidth / m_iTabWidth + 1; + iSafeCharWidth *= m_iTabWidth; + } + iSafeCharWidth -= iLineWidth; + + iCharWidth = iSafeCharWidth.ValueOrDefault(0); pCurChar->m_iCharWidth = iCharWidth; iLineWidth += iCharWidth; |