529 lines
18 KiB
C++
529 lines
18 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifdef WNT
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#undef WB_LEFT
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#undef WB_RIGHT
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#define UINT64 USE_WIN_UINT64
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#define INT64 USE_WIN_INT64
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#define UINT32 USE_WIN_UINT32
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#define INT32 USE_WIN_INT32
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#include <tools/presys.h>
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#if defined _MSC_VER
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#pragma warning(push, 1)
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#endif
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#include <windows.h>
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#if defined _MSC_VER
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#pragma warning(pop)
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#endif
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#include <tools/postsys.h>
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#undef UINT64
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#undef INT64
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#undef UINT32
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#undef INT32
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#endif
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#include <com/sun/star/uno/Exception.hpp>
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#include <com/sun/star/datatransfer/XTransferable.hpp>
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#include <com/sun/star/lang/XMultiServiceFactory.hpp>
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#include <com/sun/star/graphic/XGraphicProvider.hpp>
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#include <com/sun/star/graphic/XGraphic.hpp>
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#include <com/sun/star/io/XStream.hpp>
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#include <osl/thread.h>
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#include <vcl/gdimtf.hxx>
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#include <vcl/graph.hxx>
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#include <vcl/cvtgrf.hxx>
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#include <vcl/outdev.hxx>
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#include <vcl/virdev.hxx>
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#include <vcl/bitmapex.hxx>
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#include <vcl/salbtype.hxx>
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#include <tools/stream.hxx>
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#include <unotools/tempfile.hxx>
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#include <unotools/ucbstreamhelper.hxx>
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#include <unotools/streamwrap.hxx>
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#include <comphelper/processfactory.hxx>
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#include "sfx2/sfxresid.hxx"
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#include "graphhelp.hxx"
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#include "doc.hrc"
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using namespace ::com::sun::star;
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#define THUMBNAIL_RESOLUTION 256
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//---------------------------------------------------------------
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// static
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SvMemoryStream* GraphicHelper::getFormatStrFromGDI_Impl( const GDIMetaFile* pGDIMeta, sal_uInt32 nFormat )
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{
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SvMemoryStream* pResult = NULL;
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if ( pGDIMeta )
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{
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SvMemoryStream* pStream = new SvMemoryStream( 65535, 65535 );
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if ( pStream )
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{
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Graphic aGraph( *pGDIMeta );
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if ( GraphicConverter::Export( *pStream, aGraph, nFormat ) == 0 )
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pResult = pStream;
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else
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delete pStream;
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}
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}
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return pResult;
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}
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//---------------------------------------------------------------
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// static
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void* GraphicHelper::getEnhMetaFileFromGDI_Impl( const GDIMetaFile* pGDIMeta )
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{
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(void)pGDIMeta; // unused
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void* pResult = NULL;
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#ifdef WNT
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if ( pGDIMeta )
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{
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String aStr = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(".emf"));
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::utl::TempFile aTempFile( ::rtl::OUString(),
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&aStr,
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NULL,
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sal_False );
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::rtl::OUString aMetaFile = aTempFile.GetFileName();
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::rtl::OUString aMetaURL = aTempFile.GetURL();
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::rtl::OString aWinFile = ::rtl::OUStringToOString( aMetaFile, osl_getThreadTextEncoding() );
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SvStream* pStream = ::utl::UcbStreamHelper::CreateStream( aMetaURL, STREAM_STD_READWRITE );
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if ( pStream )
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{
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Graphic aGraph( *pGDIMeta );
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sal_Bool bFailed = (sal_Bool)GraphicConverter::Export( *pStream, aGraph, CVT_EMF );
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pStream->Flush();
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delete pStream;
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if ( !bFailed )
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pResult = GetEnhMetaFileA( aWinFile.getStr() );
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}
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}
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#endif
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return pResult;
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}
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//---------------------------------------------------------------
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// static
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void* GraphicHelper::getWinMetaFileFromGDI_Impl( const GDIMetaFile* pGDIMeta, const Size& aMetaSize )
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{
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(void)pGDIMeta; // unused
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(void)aMetaSize; // unused
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void* pResult = NULL;
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#ifdef WNT
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if ( pGDIMeta )
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{
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SvMemoryStream* pStream = new SvMemoryStream( 65535, 65535 );
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if ( pStream )
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{
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Graphic aGraph( *pGDIMeta );
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sal_Bool bFailed = (sal_Bool)GraphicConverter::Export( *pStream, aGraph, CVT_WMF );
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pStream->Flush();
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if ( !bFailed )
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{
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sal_Int32 nLength = pStream->Seek( STREAM_SEEK_TO_END );
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if ( nLength > 22 )
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{
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HMETAFILE hMeta = SetMetaFileBitsEx( nLength - 22,
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( reinterpret_cast< const sal_uChar*>( pStream->GetData() ) ) + 22 );
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if ( hMeta )
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{
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HGLOBAL hMemory = GlobalAlloc( GMEM_DDESHARE | GMEM_MOVEABLE, sizeof( METAFILEPICT ) );
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if ( hMemory )
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{
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METAFILEPICT* pMF = (METAFILEPICT*)GlobalLock( hMemory );
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pMF->hMF = hMeta;
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pMF->mm = MM_ANISOTROPIC;
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MapMode aMetaMode = pGDIMeta->GetPrefMapMode();
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MapMode aWinMode( MAP_100TH_MM );
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if ( aWinMode == pGDIMeta->GetPrefMapMode() )
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{
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pMF->xExt = aMetaSize.Width();
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pMF->yExt = aMetaSize.Height();
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}
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else
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{
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Size aWinSize = OutputDevice::LogicToLogic( Size( aMetaSize.Width(), aMetaSize.Height() ),
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pGDIMeta->GetPrefMapMode(),
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aWinMode );
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pMF->xExt = aWinSize.Width();
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pMF->yExt = aWinSize.Height();
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}
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GlobalUnlock( hMemory );
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pResult = (void*)hMemory;
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}
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else
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DeleteMetaFile( hMeta );
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}
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}
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}
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delete pStream;
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}
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}
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#endif
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return pResult;
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}
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//---------------------------------------------------------------
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// static
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sal_Bool GraphicHelper::supportsMetaFileHandle_Impl()
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{
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#ifdef WNT
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return sal_True;
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#else
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return sal_False;
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#endif
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}
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//---------------------------------------------------------------
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// static
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sal_Bool GraphicHelper::mergeBitmaps_Impl( const BitmapEx& rBmpEx, const BitmapEx& rOverlay,
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const Rectangle& rOverlayRect, BitmapEx& rReturn )
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{
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// the implementation is provided by KA
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Point aNullPt;
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Rectangle aBmpRect( aNullPt, rBmpEx.GetSizePixel() );
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VirtualDevice aVDev;
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if( !rReturn.IsEmpty() )
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rReturn.SetEmpty();
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if( !rBmpEx.IsEmpty() && aVDev.SetOutputSizePixel( aBmpRect.GetSize() ) )
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{
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Rectangle aOverlayRect( rOverlayRect );
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aOverlayRect.Intersection( aBmpRect );
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if( rOverlay.IsEmpty() || rOverlayRect.IsEmpty() )
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rReturn = rBmpEx;
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else
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{
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aVDev.DrawBitmap( aNullPt, aVDev.GetOutputSizePixel(), rBmpEx.GetBitmap() );
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aVDev.DrawBitmapEx( aOverlayRect.TopLeft(), aOverlayRect.GetSize(), rOverlay );
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Bitmap aBmp( aVDev.GetBitmap( aNullPt, aVDev.GetOutputSizePixel() ) );
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aBmp.Convert( BMP_CONVERSION_24BIT );
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if( !rBmpEx.IsTransparent() )
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rReturn = aBmp;
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else
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{
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aVDev.DrawBitmap( aNullPt, aVDev.GetOutputSizePixel(), rBmpEx.GetMask() );
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Bitmap aOverlayMergeBmp( aVDev.GetBitmap( aOverlayRect.TopLeft(), aOverlayRect.GetSize() ) );
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if( rOverlay.IsTransparent() )
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aVDev.DrawBitmap( aOverlayRect.TopLeft(), aOverlayRect.GetSize(), rOverlay.GetMask() );
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else
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{
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aVDev.SetLineColor( COL_BLACK );
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aVDev.SetFillColor( COL_BLACK );
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aVDev.DrawRect( aOverlayRect);
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}
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aOverlayMergeBmp.CombineSimple( aVDev.GetBitmap( aOverlayRect.TopLeft(), aOverlayRect.GetSize() ), BMP_COMBINE_AND );
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aVDev.DrawBitmap( aOverlayRect.TopLeft(), aOverlayRect.GetSize(), aOverlayMergeBmp );
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rReturn = BitmapEx( aBmp, aVDev.GetBitmap( aNullPt, aVDev.GetOutputSizePixel() ) );
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}
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}
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}
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return !rReturn.IsEmpty();
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}
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//---------------------------------------------------------------
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// static
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sal_Bool GraphicHelper::createThumb_Impl( const GDIMetaFile& rMtf,
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sal_uInt32 nMaximumExtent,
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BitmapEx& rBmpEx,
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const BitmapEx* pOverlay,
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const Rectangle* pOverlayRect )
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{
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// the implementation is provided by KA
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// initialization seems to be complicated but is used to avoid rounding errors
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VirtualDevice aVDev;
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const Point aNullPt;
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const Point aTLPix( aVDev.LogicToPixel( aNullPt, rMtf.GetPrefMapMode() ) );
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const Point aBRPix( aVDev.LogicToPixel( Point( rMtf.GetPrefSize().Width() - 1, rMtf.GetPrefSize().Height() - 1 ), rMtf.GetPrefMapMode() ) );
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Size aDrawSize( aVDev.LogicToPixel( rMtf.GetPrefSize(), rMtf.GetPrefMapMode() ) );
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Size aSizePix( labs( aBRPix.X() - aTLPix.X() ) + 1, labs( aBRPix.Y() - aTLPix.Y() ) + 1 );
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Point aPosPix;
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if ( !rBmpEx.IsEmpty() )
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rBmpEx.SetEmpty();
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// determine size that has the same aspect ratio as image size and
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// fits into the rectangle determined by nMaximumExtent
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if ( aSizePix.Width() && aSizePix.Height() &&
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( sal::static_int_cast<sal_uInt32>(aSizePix.Width()) > nMaximumExtent ||
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sal::static_int_cast<sal_uInt32>(aSizePix.Height()) > nMaximumExtent ) )
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{
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const Size aOldSizePix( aSizePix );
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double fWH = static_cast< double >( aSizePix.Width() ) / aSizePix.Height();
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if ( fWH <= 1.0 )
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{
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aSizePix.Width() = FRound( nMaximumExtent * fWH );
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aSizePix.Height() = nMaximumExtent;
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}
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else
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{
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aSizePix.Width() = nMaximumExtent;
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aSizePix.Height() = FRound( nMaximumExtent / fWH );
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}
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aDrawSize.Width() = FRound( ( static_cast< double >( aDrawSize.Width() ) * aSizePix.Width() ) / aOldSizePix.Width() );
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aDrawSize.Height() = FRound( ( static_cast< double >( aDrawSize.Height() ) * aSizePix.Height() ) / aOldSizePix.Height() );
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}
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Size aFullSize;
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Point aBackPosPix;
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Rectangle aOverlayRect;
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// calculate addigtional positions and sizes if an overlay image is used
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if ( pOverlay )
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{
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aFullSize = Size( nMaximumExtent, nMaximumExtent );
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aOverlayRect = Rectangle( aNullPt, aFullSize );
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aOverlayRect.Intersection( pOverlayRect ? *pOverlayRect : Rectangle( aNullPt, pOverlay->GetSizePixel() ) );
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if ( !aOverlayRect.IsEmpty() )
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aBackPosPix = Point( ( nMaximumExtent - aSizePix.Width() ) >> 1, ( nMaximumExtent - aSizePix.Height() ) >> 1 );
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else
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pOverlay = NULL;
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}
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else
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{
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aFullSize = aSizePix;
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pOverlay = NULL;
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}
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// draw image(s) into VDev and get resulting image
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if ( aVDev.SetOutputSizePixel( aFullSize ) )
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{
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// draw metafile into VDev
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const_cast< GDIMetaFile& >( rMtf ).WindStart();
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const_cast< GDIMetaFile& >( rMtf ).Play( &aVDev, aBackPosPix, aDrawSize );
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// draw overlay if neccessary
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if ( pOverlay )
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aVDev.DrawBitmapEx( aOverlayRect.TopLeft(), aOverlayRect.GetSize(), *pOverlay );
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// get paint bitmap
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Bitmap aBmp( aVDev.GetBitmap( aNullPt, aVDev.GetOutputSizePixel() ) );
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// assure that we have a true color image
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if ( aBmp.GetBitCount() != 24 )
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aBmp.Convert( BMP_CONVERSION_24BIT );
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rBmpEx = BitmapEx( aBmp );
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}
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return !rBmpEx.IsEmpty();
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}
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//---------------------------------------------------------------
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// static
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sal_Bool GraphicHelper::getThumbnailFormatFromGDI_Impl( GDIMetaFile* pMetaFile,
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sal_Bool bSigned,
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const uno::Reference< io::XStream >& xStream )
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{
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sal_Bool bResult = sal_False;
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SvStream* pStream = NULL;
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if ( xStream.is() )
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pStream = ::utl::UcbStreamHelper::CreateStream( xStream );
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if ( pMetaFile && pStream && !pStream->GetError() )
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{
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BitmapEx aResultBitmap;
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BitmapEx* pSignatureBitmap = NULL;
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if ( bSigned )
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pSignatureBitmap = new BitmapEx( SfxResId( BMP_SIGNATURE ) );
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bResult = createThumb_Impl( *pMetaFile,
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THUMBNAIL_RESOLUTION,
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aResultBitmap,
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pSignatureBitmap );
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if ( bResult )
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bResult = ( !aResultBitmap.IsEmpty()
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&& GraphicConverter::Export( *pStream, aResultBitmap, CVT_PNG ) == 0
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&& ( pStream->Flush(), !pStream->GetError() ) );
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if ( pSignatureBitmap )
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delete pSignatureBitmap;
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delete pStream;
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}
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return bResult;
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}
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//---------------------------------------------------------------
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// static
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sal_Bool GraphicHelper::getSignedThumbnailFormatFromBitmap_Impl( const BitmapEx& aBitmap,
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const uno::Reference< io::XStream >& xStream )
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{
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sal_Bool bResult = sal_False;
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SvStream* pStream = NULL;
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if ( xStream.is() )
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pStream = ::utl::UcbStreamHelper::CreateStream( xStream );
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if ( pStream && !pStream->GetError() )
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{
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BitmapEx aResultBitmap;
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BitmapEx aSignatureBitmap( SfxResId( BMP_SIGNATURE ) );
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bResult = mergeBitmaps_Impl( aBitmap,
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aSignatureBitmap,
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Rectangle( Point(), aBitmap.GetSizePixel() ),
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aResultBitmap );
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if ( bResult )
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{
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bResult = ( !aResultBitmap.IsEmpty()
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&& GraphicConverter::Export( *pStream, aResultBitmap, CVT_PNG ) == 0
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&& ( pStream->Flush(), !pStream->GetError() ) );
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}
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delete pStream;
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}
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return bResult;
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}
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//---------------------------------------------------------------
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// static
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sal_Bool GraphicHelper::getThumbnailReplacement_Impl( sal_Int32 nResID, const uno::Reference< io::XStream >& xStream )
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{
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sal_Bool bResult = sal_False;
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if ( nResID && xStream.is() )
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{
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uno::Reference< lang::XMultiServiceFactory > xServiceManager = ::comphelper::getProcessServiceFactory();
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if ( xServiceManager.is() )
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{
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try
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{
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uno::Reference< graphic::XGraphicProvider > xGraphProvider(
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xServiceManager->createInstance(
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::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.graphic.GraphicProvider")) ),
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uno::UNO_QUERY );
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if ( xGraphProvider.is() )
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{
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::rtl::OUString aURL(RTL_CONSTASCII_USTRINGPARAM("private:resource/sfx/bitmapex/"));
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aURL += ::rtl::OUString::valueOf( nResID );
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uno::Sequence< beans::PropertyValue > aMediaProps( 1 );
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aMediaProps[0].Name = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("URL"));
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aMediaProps[0].Value <<= aURL;
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uno::Reference< graphic::XGraphic > xGraphic = xGraphProvider->queryGraphic( aMediaProps );
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if ( xGraphic.is() )
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{
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uno::Sequence< beans::PropertyValue > aStoreProps( 2 );
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aStoreProps[0].Name = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("OutputStream"));
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aStoreProps[0].Value <<= xStream;
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aStoreProps[1].Name = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("MimeType"));
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aStoreProps[1].Value <<= ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("image/png"));
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xGraphProvider->storeGraphic( xGraphic, aStoreProps );
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bResult = sal_True;
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}
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}
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}
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catch(const uno::Exception&)
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{
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}
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}
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}
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return bResult;
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}
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//---------------------------------------------------------------
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// static
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sal_uInt16 GraphicHelper::getThumbnailReplacementIDByFactoryName_Impl( const ::rtl::OUString& aFactoryShortName, sal_Bool /*bIsTemplate*/ )
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{
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sal_uInt16 nResult = 0;
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if ( aFactoryShortName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "scalc" ) ) )
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{
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|
nResult = BMP_128X128_CALC_DOC;
|
|
}
|
|
else if ( aFactoryShortName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "sdraw" ) ) )
|
|
{
|
|
nResult = BMP_128X128_DRAW_DOC;
|
|
}
|
|
else if ( aFactoryShortName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "simpress" ) ) )
|
|
{
|
|
nResult = BMP_128X128_IMPRESS_DOC;
|
|
}
|
|
else if ( aFactoryShortName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "smath" ) ) )
|
|
{
|
|
nResult = BMP_128X128_MATH_DOC;
|
|
}
|
|
else if ( aFactoryShortName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "swriter" ) ) || aFactoryShortName.compareToAscii( "swriter/", 8 ) == 0 )
|
|
{
|
|
nResult = BMP_128X128_WRITER_DOC;
|
|
}
|
|
|
|
return nResult;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|