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Diffstat (limited to 'vcl/source/gdi/gfxlink.cxx')
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diff --git a/vcl/source/gdi/gfxlink.cxx b/vcl/source/gdi/gfxlink.cxx
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+++ b/vcl/source/gdi/gfxlink.cxx
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+/*************************************************************************
+ *
+ * $RCSfile: gfxlink.cxx,v $
+ *
+ * $Revision: 1.1.1.1 $
+ *
+ * last change: $Author: hr $ $Date: 2000-09-18 17:05:37 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (the "License"); You may not use this file
+ * except in compliance with the License. You may obtain a copy of the
+ * License at http://www.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#include <tools/vcompat.hxx>
+#include <tools/urlobj.hxx>
+#include <tools/debug.hxx>
+#include <tools/tempfile.hxx>
+#include <ucbhelper/content.hxx>
+#include "graph.hxx"
+#include "gfxlink.hxx"
+#include "cvtgrf.hxx"
+
+// -----------
+// - GfxLink -
+// -----------
+
+GfxLink::GfxLink() :
+ meType ( GFX_LINK_TYPE_NONE ),
+ mnBufSize ( 0 ),
+ mpBuf ( NULL ),
+ mpSwap ( NULL ),
+ mnUserId ( 0UL )
+{
+}
+
+// ------------------------------------------------------------------------
+
+GfxLink::GfxLink( const GfxLink& rGfxLink )
+{
+ ImplCopy( rGfxLink );
+}
+
+// ------------------------------------------------------------------------
+
+GfxLink::GfxLink( const String& rPath, GfxLinkType nType )
+{
+ sal_Int64 nFileSize = 0;
+
+ try
+ {
+ ::ucb::Content aCnt( INetURLObject( rPath, INET_PROT_FILE ).GetMainURL(),
+ ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XCommandEnvironment >() );
+
+ aCnt.getPropertyValue( ::rtl::OUString::createFromAscii( "Size" ) ) >>= nFileSize;
+ }
+ catch( ::com::sun::star::ucb::CommandAbortedException& )
+ {
+ DBG_ERRORFILE( "CommandAbortedException" );
+ }
+ catch( ... )
+ {
+ DBG_ERRORFILE( "Any other exception" );
+ }
+
+ meType = nType;
+ mnBufSize = nFileSize;
+ mpSwap = NULL;
+ mnUserId = 0UL;
+
+ if( mnBufSize )
+ {
+ SvFileStream aFileStream( rPath, STREAM_READ );
+
+ mpBuf = new ImpBuffer( mnBufSize );
+ aFileStream.Read( mpBuf->mpBuffer, mnBufSize );
+ }
+ else
+ mpBuf = NULL;
+}
+
+// ------------------------------------------------------------------------
+
+GfxLink::GfxLink( BYTE* pBuf, ULONG nSize, GfxLinkType nType, BOOL bOwns )
+{
+ meType = nType;
+ mnBufSize = nSize;
+ mpSwap = NULL;
+ mnUserId = 0UL;
+
+ if( bOwns )
+ mpBuf = new ImpBuffer( pBuf );
+ else if( nSize )
+ {
+ mpBuf = new ImpBuffer( nSize );
+ memcpy( mpBuf->mpBuffer, pBuf, nSize );
+ }
+ else
+ mpBuf = NULL;
+}
+
+// ------------------------------------------------------------------------
+
+GfxLink::~GfxLink()
+{
+ if( mpBuf && !( --mpBuf->mnRefCount ) )
+ delete mpBuf;
+
+ if( mpSwap && !( --mpSwap->mnRefCount ) )
+ delete mpSwap;
+}
+
+// ------------------------------------------------------------------------
+
+GfxLink& GfxLink::operator=( const GfxLink& rGfxLink )
+{
+ if( &rGfxLink != this )
+ {
+ if ( mpBuf && !( --mpBuf->mnRefCount ) )
+ delete mpBuf;
+
+ if( mpSwap && !( --mpSwap->mnRefCount ) )
+ delete mpSwap;
+
+ ImplCopy( rGfxLink );
+ }
+
+ return *this;
+}
+
+// ------------------------------------------------------------------------
+
+void GfxLink::ImplCopy( const GfxLink& rGfxLink )
+{
+ mnBufSize = rGfxLink.mnBufSize;
+ meType = rGfxLink.meType;
+ mpBuf = rGfxLink.mpBuf;
+ mpSwap = rGfxLink.mpSwap;
+ mnUserId = rGfxLink.mnUserId;
+
+ if( mpBuf )
+ mpBuf->mnRefCount++;
+
+ if( mpSwap )
+ mpSwap->mnRefCount++;
+}
+
+// ------------------------------------------------------------------------
+
+GfxLinkType GfxLink::GetType() const
+{
+ return meType;
+}
+
+// ------------------------------------------------------------------------
+
+BOOL GfxLink::IsNative() const
+{
+ return( meType >= GFX_LINK_FIRST_NATIVE_ID && meType <= GFX_LINK_LAST_NATIVE_ID );
+}
+
+// ------------------------------------------------------------------------
+
+ULONG GfxLink::GetDataSize() const
+{
+ return mnBufSize;
+}
+
+// ------------------------------------------------------------------------
+
+const BYTE* GfxLink::GetData() const
+{
+ if( IsSwappedOut() )
+ ( (GfxLink*) this )->SwapIn();
+
+ return( mpBuf ? mpBuf->mpBuffer : NULL );
+}
+
+// ------------------------------------------------------------------------
+
+BOOL GfxLink::LoadNative( Graphic& rGraphic )
+{
+ BOOL bRet = FALSE;
+
+ if( IsNative() && mnBufSize )
+ {
+ const BYTE* pData = GetData();
+
+ if( pData )
+ {
+ SvMemoryStream aMemStm;
+ ULONG nCvtType;
+
+ aMemStm.SetBuffer( (char*) pData, mnBufSize, FALSE, mnBufSize );
+
+ switch( meType )
+ {
+ case( GFX_LINK_TYPE_NATIVE_GIF ): nCvtType = CVT_GIF; break;
+ case( GFX_LINK_TYPE_NATIVE_JPG ): nCvtType = CVT_JPG; break;
+ case( GFX_LINK_TYPE_NATIVE_PNG ): nCvtType = CVT_PNG; break;
+ case( GFX_LINK_TYPE_NATIVE_TIF ): nCvtType = CVT_TIF; break;
+ case( GFX_LINK_TYPE_NATIVE_WMF ): nCvtType = CVT_WMF; break;
+ case( GFX_LINK_TYPE_NATIVE_MET ): nCvtType = CVT_MET; break;
+ case( GFX_LINK_TYPE_NATIVE_PCT ): nCvtType = CVT_PCT; break;
+
+ default: nCvtType = CVT_UNKNOWN; break;
+ }
+
+ if( nCvtType && ( GraphicConverter::Import( aMemStm, rGraphic, nCvtType ) == ERRCODE_NONE ) )
+ bRet = TRUE;
+ }
+ }
+
+ return bRet;
+}
+
+// ------------------------------------------------------------------------
+
+void GfxLink::SwapOut()
+{
+ if( !IsSwappedOut() && mpBuf )
+ {
+ mpSwap = new ImpSwap( mpBuf->mpBuffer, mnBufSize );
+
+ if( !mpSwap->IsSwapped() )
+ {
+ delete mpSwap;
+ mpSwap = NULL;
+ }
+ else if( !( --mpBuf->mnRefCount ) )
+ delete mpBuf;
+
+ mpBuf = NULL;
+ }
+}
+
+// ------------------------------------------------------------------------
+
+void GfxLink::SwapIn()
+{
+ if( IsSwappedOut() )
+ {
+ mpBuf = new ImpBuffer( mpSwap->GetData() );
+
+ if( !( --mpSwap->mnRefCount ) )
+ delete mpSwap;
+
+ mpSwap = NULL;
+ }
+}
+
+// ------------------------------------------------------------------------
+
+SvStream& operator<<( SvStream& rOStream, const GfxLink& rGfxLink )
+{
+ VersionCompat* pCompat = new VersionCompat( rOStream, STREAM_WRITE, 1 );
+
+ rOStream << (UINT16) rGfxLink.GetType() << rGfxLink.GetDataSize() << rGfxLink.GetUserId();
+
+ delete pCompat;
+
+ if( rGfxLink.GetDataSize() )
+ {
+ if( rGfxLink.IsSwappedOut() )
+ rGfxLink.mpSwap->WriteTo( rOStream );
+ else
+ rOStream.Write( rGfxLink.GetData(), rGfxLink.GetDataSize() );
+ }
+
+ return rOStream;
+}
+
+// ------------------------------------------------------------------------
+
+SvStream& operator>>( SvStream& rIStream, GfxLink& rGfxLink)
+{
+ ULONG nSize;
+ ULONG nUserId;
+ UINT16 nType;
+ BYTE* pBuf;
+ VersionCompat* pCompat = new VersionCompat( rIStream, STREAM_READ );
+
+ rIStream >> nType >> nSize >> nUserId;
+
+ delete pCompat;
+
+ pBuf = new BYTE[ nSize ];
+ rIStream.Read( pBuf, nSize );
+
+ rGfxLink = GfxLink( pBuf, nSize, (GfxLinkType) nType, TRUE );
+ rGfxLink.SetUserId( nUserId );
+
+ return rIStream;
+}
+
+// -----------
+// - ImpSwap -
+// -----------
+
+ImpSwap::ImpSwap( BYTE* pData, ULONG nDataSize ) :
+ mnDataSize( nDataSize ),
+ mnRefCount( 1UL )
+{
+ if( pData && mnDataSize )
+ {
+ maFileName = TempFile::CreateTempName();
+
+ if( maFileName.Len() )
+ {
+ SvFileStream aOStm( maFileName, STREAM_WRITE | STREAM_SHARE_DENYWRITE );
+
+ aOStm.Write( pData, mnDataSize );
+
+ if( aOStm.GetError() )
+ {
+ aOStm.Close();
+
+ try
+ {
+ ::ucb::Content aCnt( INetURLObject( maFileName, INET_PROT_FILE ).GetMainURL(),
+ ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XCommandEnvironment >() );
+
+ aCnt.executeCommand( ::rtl::OUString::createFromAscii( "delete" ),
+ ::com::sun::star::uno::makeAny( sal_Bool( sal_True ) ) );
+ }
+ catch( ::com::sun::star::ucb::CommandAbortedException& )
+ {
+ DBG_ERRORFILE( "CommandAbortedException" );
+ }
+ catch( ... )
+ {
+ DBG_ERRORFILE( "Any other exception" );
+ }
+
+ maFileName.Erase();
+ }
+ }
+ }
+}
+
+// ------------------------------------------------------------------------
+
+ImpSwap::~ImpSwap()
+{
+ if( IsSwapped() )
+ {
+ try
+ {
+ ::ucb::Content aCnt( INetURLObject( maFileName, INET_PROT_FILE ).GetMainURL(),
+ ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XCommandEnvironment >() );
+
+ aCnt.executeCommand( ::rtl::OUString::createFromAscii( "delete" ),
+ ::com::sun::star::uno::makeAny( sal_Bool( sal_True ) ) );
+ }
+ catch( ::com::sun::star::ucb::CommandAbortedException& )
+ {
+ DBG_ERRORFILE( "CommandAbortedException" );
+ }
+ catch( ... )
+ {
+ DBG_ERRORFILE( "Any other exception" );
+ }
+ }
+}
+
+// ------------------------------------------------------------------------
+
+BYTE* ImpSwap::GetData() const
+{
+ BYTE* pData;
+
+ if( IsSwapped() )
+ {
+ SvFileStream aIStm( maFileName, STREAM_READ );
+
+ pData = new BYTE[ mnDataSize ];
+ aIStm.Read( pData, mnDataSize );
+
+ if( aIStm.GetError() )
+ {
+ aIStm.Close();
+ delete[] pData;
+ pData = NULL;
+ }
+ }
+ else
+ pData = NULL;
+
+ return pData;
+}
+
+// ------------------------------------------------------------------------
+
+void ImpSwap::WriteTo( SvStream& rOStm ) const
+{
+ BYTE* pData = GetData();
+
+ if( pData )
+ {
+ rOStm.Write( pData, mnDataSize );
+ delete[] pData;
+ }
+}
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