diff options
| author | Vladimir Glazunov <vg@openoffice.org> | 2010-10-14 14:49:30 +0200 |
|---|---|---|
| committer | Vladimir Glazunov <vg@openoffice.org> | 2010-10-14 14:49:30 +0200 |
| commit | e21cf551ed6ec03facb14a2649c35886be9f022c (patch) | |
| tree | 287173de99e1d2ab7acdd306dc2efb1202fc1ba6 | |
| parent | f330de104e33e41150d46578e786d522aa1d3822 (diff) | |
| parent | 4b5108a2cb9a20f1eb45271000ec12dfeed85b84 (diff) | |
CWS-TOOLING: integrate CWS impress201
| -rw-r--r-- | svtools/source/filter.vcl/filter/filter.cxx | 44 |
1 files changed, 38 insertions, 6 deletions
diff --git a/svtools/source/filter.vcl/filter/filter.cxx b/svtools/source/filter.vcl/filter/filter.cxx index 65f51ce212f4..9c754a947fcd 100644 --- a/svtools/source/filter.vcl/filter/filter.cxx +++ b/svtools/source/filter.vcl/filter/filter.cxx @@ -552,16 +552,48 @@ static BOOL ImpPeekGraphicFormat( SvStream& rStream, String& rFormatExtension, B if( !bTest || ( rFormatExtension.CompareToAscii( "PCT", 3 ) == COMPARE_EQUAL ) ) { bSomethingTested = TRUE; - BYTE sBuf[4]; + BYTE sBuf[3]; + // store number format + sal_uInt16 oldNumberFormat = rStream.GetNumberFormatInt(); sal_uInt32 nOffset; // in ms documents the pict format is used without the first 512 bytes - for ( nOffset = 10; ( nOffset <= 522 ) && ( ( nStreamPos + nOffset + 3 ) <= nStreamLen ); nOffset += 512 ) + for ( nOffset = 0; ( nOffset <= 512 ) && ( ( nStreamPos + nOffset + 14 ) <= nStreamLen ); nOffset += 512 ) { - rStream.Seek( nStreamPos + nOffset ); + short y1,x1,y2,x2; + bool bdBoxOk = true; + + rStream.Seek( nStreamPos + nOffset); + // size of the pict in version 1 pict ( 2bytes) : ignored + rStream.SeekRel(2); + // bounding box (bytes 2 -> 9) + rStream.SetNumberFormatInt(NUMBERFORMAT_INT_BIGENDIAN); + rStream >> y1 >> x1 >> y2 >> x2; + rStream.SetNumberFormatInt(oldNumberFormat); // reset format + + if (x1 > x2 || y1 > y2 || // bad bdbox + (x1 == x2 && y1 == y2) || // 1 pixel picture + x2-x1 > 2048 || y2-y1 > 2048 ) // picture anormaly big + bdBoxOk = false; + + // read version op rStream.Read( sBuf,3 ); - if ( sBuf[ 0 ] == 0x00 && sBuf[ 1 ] == 0x11 && ( sBuf[ 2 ] == 0x01 || sBuf[ 2 ] == 0x02 ) ) + // see http://developer.apple.com/legacy/mac/library/documentation/mac/pdf/Imaging_With_QuickDraw/Appendix_A.pdf + // normal version 2 - page A23 and A24 + if ( sBuf[ 0 ] == 0x00 && sBuf[ 1 ] == 0x11 && sBuf[ 2 ] == 0x02) { - rFormatExtension = UniString::CreateFromAscii( "PCT", 3 ); - return TRUE; + rFormatExtension = UniString::CreateFromAscii( "PCT", 3 ); + return TRUE; + } + // normal version 1 - page A25 + else if (sBuf[ 0 ] == 0x11 && sBuf[ 1 ] == 0x01 && bdBoxOk) { + rFormatExtension = UniString::CreateFromAscii( "PCT", 3 ); + return TRUE; + } + // previous code kept in order to do not break any compatibility + // probably eroneous + else if ( sBuf[ 0 ] == 0x00 && sBuf[ 1 ] == 0x11 && sBuf[ 2 ] == 0x01 && bdBoxOk) + { + rFormatExtension = UniString::CreateFromAscii( "PCT", 3 ); + return TRUE; } } } |