diff options
author | Oliver-Rainer Wittmann <orw@apache.org> | 2014-03-31 14:37:21 +0000 |
---|---|---|
committer | Caolán McNamara <caolanm@redhat.com> | 2014-04-01 09:28:58 +0100 |
commit | cc1a7748c867716966b6a38e75f89df5d92ee104 (patch) | |
tree | 9a8666a437751cb0914a607a18219528af07386a /vcl/source/gdi | |
parent | 994da4b9738dafdc0654a439a40adfe4c02a507d (diff) |
Resolves: #i124555# restore stream position after Seek to end of stream
(cherry picked from commit 61efddf5ab8cd318e022ca1ac817ba0879a55e23)
Conflicts:
vcl/source/gdi/dibtools.cxx
Change-Id: Ie6c0aeab5988b68954a0bdd460317ac9539d8a5f
Diffstat (limited to 'vcl/source/gdi')
-rw-r--r-- | vcl/source/gdi/dibtools.cxx | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/vcl/source/gdi/dibtools.cxx b/vcl/source/gdi/dibtools.cxx index 1ffdcd908279..5d71a46ffe7f 100644 --- a/vcl/source/gdi/dibtools.cxx +++ b/vcl/source/gdi/dibtools.cxx @@ -766,17 +766,18 @@ bool ImplReadDIBBody( SvStream& rIStm, Bitmap& rBmp, Bitmap* pBmpAlpha, sal_uLon bool ImplReadDIBFileHeader( SvStream& rIStm, sal_uLong& rOffset ) { - sal_uInt32 nTmp32; - sal_uInt16 nTmp16 = 0; - bool bRet = false; + bool bRet = false; - const sal_uLong nStreamLength (rIStm.Seek(STREAM_SEEK_TO_END)); - rIStm.Seek(STREAM_SEEK_TO_BEGIN); + const sal_uInt64 nSavedStreamPos( rIStm.Tell() ); + const sal_uInt64 nStreamLength( rIStm.Seek( STREAM_SEEK_TO_END ) ); + rIStm.Seek( nSavedStreamPos ); + sal_uInt16 nTmp16 = 0; rIStm.ReadUInt16( nTmp16 ); if ( ( 0x4D42 == nTmp16 ) || ( 0x4142 == nTmp16 ) ) { + sal_uInt32 nTmp32(0); if ( 0x4142 == nTmp16 ) { rIStm.SeekRel( 12L ); @@ -794,7 +795,7 @@ bool ImplReadDIBFileHeader( SvStream& rIStm, sal_uLong& rOffset ) bRet = ( rIStm.GetError() == 0UL ); } - if (rOffset >= nStreamLength) + if ( rOffset >= nStreamLength ) { // Offset claims that image starts past the end of the // stream. Unlikely. |