diff options
| -rw-r--r-- | emfio/source/reader/emfreader.cxx | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/emfio/source/reader/emfreader.cxx b/emfio/source/reader/emfreader.cxx index 83754ace1f2d..7a29571d4773 100644 --- a/emfio/source/reader/emfreader.cxx +++ b/emfio/source/reader/emfreader.cxx @@ -1907,6 +1907,7 @@ namespace emfio else if ( nOptions & ETO_OPAQUE ) DrawRectWithBGColor( aRect ); + // ETO_RTLREADING indicates that the characters are laid from right to left vcl::text::ComplexTextLayoutFlags nTextLayoutMode = vcl::text::ComplexTextLayoutFlags::Default; if ( nOptions & ETO_RTLREADING ) nTextLayoutMode = vcl::text::ComplexTextLayoutFlags::BiDiRtl | vcl::text::ComplexTextLayoutFlags::TextOriginLeft; @@ -1943,7 +1944,20 @@ namespace emfio std::unique_ptr<tools::Long[]> pDYAry; sal_Int32 nDxSize; - bool bOverflow = o3tl::checked_multiply<sal_Int32>(nLen, (nOptions & ETO_PDY) ? 8 : 4, nDxSize); + sal_Int32 nBytesEach; + + // Reading OutputDx + // ETO_PDY flag indicates that we should read twice values + // compared to the number of characters in the output string. + // Values are stored in an array of 32-bit unsigned integers + // named OutputDx, so there will be either 8 bytes or 4 bytes + // each depending on ETO_PDY is set or not. + if (nOptions & ETO_PDY) + nBytesEach = 8; + else + nBytesEach = 4; + + bool bOverflow = o3tl::checked_multiply<sal_Int32>(nLen, nBytesEach, nDxSize); if (!bOverflow && offDx && ((nCurPos + offDx + nDxSize) <= nNextPos ) && nNextPos <= mnEndPos) { mpInputStream->Seek( nCurPos + offDx ); |