add SvStream::TellEnd

and simplify callsites to use it instead of the current
"seek to end, find pos, seek back to original pos"
pattern

Change-Id: Ib5828868f73c341891efc759af8bd4695ae2f33c
Reviewed-on: https://gerrit.libreoffice.org/61738
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

5 files changed, 8 insertions, 17 deletions

diff --git a/svx/qa/unit/xoutdev.cxx b/svx/qa/unit/xoutdev.cxx
index c2f48fbbc5c6..90186df8e831 100644
--- a/svx/qa/unit/xoutdev.cxx
+++ b/svx/qa/unit/xoutdev.cxx
@@ -57,9 +57,7 @@ void XOutdevTest::testPdfGraphicExport()
 
     // Assert that the output looks like a PDF.
     SvStream* pStream = aTempFile.GetStream(StreamMode::READ);
-    pStream->Seek(STREAM_SEEK_TO_END);
-    CPPUNIT_ASSERT(pStream->Tell() > 5);
-    pStream->Seek(STREAM_SEEK_TO_BEGIN);
+    CPPUNIT_ASSERT(pStream->TellEnd() > 5);
     sal_uInt8 sFirstBytes[5];
     pStream->ReadBytes(sFirstBytes, 5);
     CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt8>('%'), sFirstBytes[0]);
diff --git a/svx/source/dialog/compressgraphicdialog.cxx b/svx/source/dialog/compressgraphicdialog.cxx
index 3c68d0f1d5b1..8a39d7cf5635 100644
--- a/svx/source/dialog/compressgraphicdialog.cxx
+++ b/svx/source/dialog/compressgraphicdialog.cxx
@@ -191,8 +191,7 @@ void CompressGraphicsDialog::Update()
     SvMemoryStream aMemStream;
     aMemStream.SetVersion( SOFFICE_FILEFORMAT_CURRENT );
     m_aGraphic.ExportNative(aMemStream);
-    aMemStream.Seek( STREAM_SEEK_TO_END );
-    sal_Int32 aNativeSize = aMemStream.Tell();
+    sal_Int32 aNativeSize = aMemStream.TellEnd();
 
     OUString aNativeSizeString = SvxResId(STR_IMAGE_CAPACITY);
     aNativeSizeString = aNativeSizeString.replaceAll("$(CAPACITY)",  OUString::number(aNativeSize / 1024));
@@ -353,8 +352,7 @@ IMPL_LINK_NOARG( CompressGraphicsDialog, CalculateClickHdl, weld::Button&, void
         SvMemoryStream aMemStream;
         aMemStream.SetVersion( SOFFICE_FILEFORMAT_CURRENT );
         Compress( aMemStream );
-        aMemStream.Seek( STREAM_SEEK_TO_END );
-        aSize = aMemStream.Tell();
+        aSize = aMemStream.TellEnd();
     }
 
     if ( aSize > 0 )
diff --git a/svx/source/gallery2/codec.cxx b/svx/source/gallery2/codec.cxx
index 0149b4de5e97..773b769a2678 100644
--- a/svx/source/gallery2/codec.cxx
+++ b/svx/source/gallery2/codec.cxx
@@ -61,8 +61,7 @@ void GalleryCodec::Write( SvStream& rStmToWrite )
 {
     sal_uInt32 nPos, nCompSize;
 
-    rStmToWrite.Seek( STREAM_SEEK_TO_END );
-    const sal_uInt32 nSize = rStmToWrite.Tell();
+    const sal_uInt32 nSize = rStmToWrite.TellEnd();
     rStmToWrite.Seek( 0 );
 
     rStm.WriteChar( 'S' ).WriteChar( 'V' ).WriteChar( 'R' ).WriteChar( 'L' ).WriteChar( 'E' ).WriteChar( '2' );
diff --git a/svx/source/xml/xmlgrhlp.cxx b/svx/source/xml/xmlgrhlp.cxx
index cb6eb4d80e3a..b45954fdbd0d 100644
--- a/svx/source/xml/xmlgrhlp.cxx
+++ b/svx/source/xml/xmlgrhlp.cxx
@@ -306,8 +306,7 @@ Graphic SvXMLGraphicOutputStream::GetGraphic()
 
             sal_uInt8    sFirstBytes[ 2 ];
 
-            mpOStm->Seek( STREAM_SEEK_TO_END );
-            sal_uIntPtr nStreamLen = mpOStm->Tell();
+            sal_uIntPtr nStreamLen = mpOStm->TellEnd();
             mpOStm->Seek( 0 );
 
             if ( !nStreamLen )
@@ -316,8 +315,7 @@ Graphic SvXMLGraphicOutputStream::GetGraphic()
                 if ( pLockBytes  )
                     pLockBytes->SetSynchronMode();
 
-                mpOStm->Seek( STREAM_SEEK_TO_END );
-                nStreamLen = mpOStm->Tell();
+                nStreamLen = mpOStm->TellEnd();
                 mpOStm->Seek( 0 );
             }
             if( nStreamLen >= 2 )
@@ -335,8 +333,7 @@ Graphic SvXMLGraphicOutputStream::GetGraphic()
 
                     if (aZCodec.EndCompression() && pDest )
                     {
-                        pDest->Seek( STREAM_SEEK_TO_END );
-                        sal_uIntPtr nStreamLen_ = pDest->Tell();
+                        sal_uIntPtr nStreamLen_ = pDest->TellEnd();
                         if (nStreamLen_)
                         {
                             pDest->Seek(0);
diff --git a/svx/source/xoutdev/_xoutbmp.cxx b/svx/source/xoutdev/_xoutbmp.cxx
index 718b73e3f412..640d7bb356f0 100644
--- a/svx/source/xoutdev/_xoutbmp.cxx
+++ b/svx/source/xoutdev/_xoutbmp.cxx
@@ -380,8 +380,7 @@ bool XOutBitmap::GraphicToBase64(const Graphic& rGraphic, OUString& rOUString, b
         SAL_WARN("svx", "XOutBitmap::GraphicToBase64() invalid Graphic? error: " << nErr );
         return false;
     }
-    aOStm.Seek(STREAM_SEEK_TO_END);
-    css::uno::Sequence<sal_Int8> aOStmSeq( static_cast<sal_Int8 const *>(aOStm.GetData()),aOStm.Tell() );
+    css::uno::Sequence<sal_Int8> aOStmSeq( static_cast<sal_Int8 const *>(aOStm.GetData()),aOStm.TellEnd() );
     OUStringBuffer aStrBuffer;
     ::comphelper::Base64::encode(aStrBuffer,aOStmSeq);
     rOUString = aStrBuffer.makeStringAndClear();