AOO410/main/svx/source/gallery2/galobj.cxx

/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"

#define ENABLE_BYTESTRING_STREAM_OPERATORS

#include <com/sun/star/lang/XUnoTunnel.hpp>
#include <sfx2/objsh.hxx>
#include <sfx2/docfac.hxx>
#include <comphelper/classids.hxx>
#include <unotools/pathoptions.hxx>
#include <tools/rcid.h>
#include <tools/vcompat.hxx>
#include <vcl/virdev.hxx>
#include <svl/itempool.hxx>
#include <svx/fmmodel.hxx>
#include <svx/fmview.hxx>
#include <svx/fmpage.hxx>
#include "gallery.hrc"
#include "svx/galmisc.hxx"
#include "galobj.hxx"
#include <vcl/salbtype.hxx>		// FRound
#include <vcl/svapp.hxx>
#include <vcl/dibtools.hxx>
#include "gallerydrawmodel.hxx"

using namespace ::com::sun::star;

// -------------
// - SgaObject -
// -------------

SgaObject::SgaObject() 
:   bIsValid    ( sal_False ),
    bIsThumbBmp	( sal_True )
{
}

BitmapEx SgaObject::createPreviewBitmapEx(const Size& rSizePixel) const
{
    BitmapEx aRetval;

    if(rSizePixel.Width() && rSizePixel.Height())
    {
        if(SGA_OBJ_SOUND == GetObjKind())
        {
            aRetval = GAL_RESID(RID_SVXBMP_GALLERY_MEDIA);
        }
        else if(IsThumbBitmap())
        {
            aRetval = GetThumbBmp();
        }
        else
        {
            const Graphic aGraphic(GetThumbMtf());

            aRetval = aGraphic.GetBitmapEx();
        }

        if(!aRetval.IsEmpty())
        {
            const Size aCurrentSizePixel(aRetval.GetSizePixel());
            const double fScaleX((double)rSizePixel.Width() / (double)aCurrentSizePixel.Width());
            const double fScaleY((double)rSizePixel.Height() / (double)aCurrentSizePixel.Height());
            const double fScale(std::min(fScaleX, fScaleY));

            // only scale when need to decrease, no need to make bigger as original. Also
            // prevent scaling close to 1.0 which is not needed for pixel graphics
            if(fScale < 1.0 && fabs(1.0 - fScale) > 0.005) 
            {
                static sal_uInt32 nScaleFlag = BMP_SCALE_FASTESTINTERPOLATE;

                aRetval.Scale(fScale, fScale, nScaleFlag);
            }
        }
    }

    return aRetval;
}

// ------------------------------------------------------------------------

sal_Bool SgaObject::CreateThumb( const Graphic& rGraphic )
{
	sal_Bool bRet = sal_False;

	if( rGraphic.GetType() == GRAPHIC_BITMAP )
	{
		BitmapEx    aBmpEx( rGraphic.GetBitmapEx() );
		Size        aBmpSize( aBmpEx.GetSizePixel() );

		if( aBmpSize.Width() && aBmpSize.Height() )
		{
			const Color	aWhite( COL_WHITE );

		    if( aBmpEx.GetPrefMapMode().GetMapUnit() != MAP_PIXEL &&
		        aBmpEx.GetPrefSize().Width() > 0 &&
		        aBmpEx.GetPrefSize().Height() > 0 )
		    {
		        Size aLogSize( OutputDevice::LogicToLogic( aBmpEx.GetPrefSize(), aBmpEx.GetPrefMapMode(), MAP_100TH_MM ) );

		        if( aLogSize.Width() > 0 && aLogSize.Height() > 0 )
		        {
		            double  fFactorLog = static_cast< double >( aLogSize.Width() ) / aLogSize.Height();
		            double  fFactorPix = static_cast< double >( aBmpSize.Width() ) / aBmpSize.Height();

		            if( fFactorPix > fFactorLog )
		                aBmpSize.Width() = FRound( aBmpSize.Height() * fFactorLog );
		            else
		                aBmpSize.Height() = FRound( aBmpSize.Width() / fFactorLog );

		            aBmpEx.SetSizePixel( aBmpSize, BMP_SCALE_BESTQUALITY );
		        }
		    }

            // take over BitmapEx
			aThumbBmp = aBmpEx;

			if( ( aBmpSize.Width() <= S_THUMB ) && ( aBmpSize.Height() <= S_THUMB ) )
			{
				aThumbBmp.Convert( BMP_CONVERSION_8BIT_COLORS );
				bRet = sal_True;
			}
			else
			{
				const float	fFactor  = (float) aBmpSize.Width() / aBmpSize.Height();
				const Size	aNewSize( Max( (long) (fFactor < 1. ? S_THUMB * fFactor : S_THUMB), 8L ),
									  Max( (long) (fFactor < 1. ? S_THUMB : S_THUMB / fFactor), 8L ) );

				if(aThumbBmp.Scale(
                    (double) aNewSize.Width() / aBmpSize.Width(),
                    (double) aNewSize.Height() / aBmpSize.Height(), 
                    BMP_SCALE_BESTQUALITY ) )
				{
					aThumbBmp.Convert( BMP_CONVERSION_8BIT_COLORS );
					bRet = sal_True;
				}
			}
		}
	}
	else if( rGraphic.GetType() == GRAPHIC_GDIMETAFILE )
	{
		const Size aPrefSize( rGraphic.GetPrefSize() );
		const double fFactor  = (double)aPrefSize.Width() / (double)aPrefSize.Height();
        Size aSize( S_THUMB, S_THUMB );
		if ( fFactor < 1.0 )
			aSize.Width() = (sal_Int32)( S_THUMB * fFactor );
		else
			aSize.Height() = (sal_Int32)( S_THUMB / fFactor );

        const GraphicConversionParameters aParameters(aSize, false, true, true, true);
        aThumbBmp = rGraphic.GetBitmapEx(aParameters);

		if( !aThumbBmp.IsEmpty() )
		{
			aThumbBmp.Convert( BMP_CONVERSION_8BIT_COLORS );
			bRet = sal_True;
		}
	}

	return bRet;
}

// ------------------------------------------------------------------------

void SgaObject::WriteData( SvStream& rOut, const String& rDestDir ) const
{
	static const sal_uInt32 nInventor = COMPAT_FORMAT( 'S', 'G', 'A', '3' );

	rOut << nInventor << (sal_uInt16) 0x0004 << GetVersion() << (sal_uInt16) GetObjKind();
	rOut << bIsThumbBmp;

	if( bIsThumbBmp )
	{
		const sal_uInt16	nOldCompressMode = rOut.GetCompressMode();
		const sal_uIntPtr		nOldVersion = rOut.GetVersion();

		rOut.SetCompressMode( COMPRESSMODE_ZBITMAP );
		rOut.SetVersion( SOFFICE_FILEFORMAT_50 );

        WriteDIBBitmapEx(aThumbBmp, rOut);

		rOut.SetVersion( nOldVersion );
		rOut.SetCompressMode( nOldCompressMode );
	}
	else
		rOut << aThumbMtf;

	String aURLWithoutDestDir = String(aURL.GetMainURL( INetURLObject::NO_DECODE ));
	aURLWithoutDestDir.SearchAndReplace(rDestDir, String());
	rOut << ByteString( aURLWithoutDestDir, RTL_TEXTENCODING_UTF8 );
}

// ------------------------------------------------------------------------

void SgaObject::ReadData(SvStream& rIn, sal_uInt16& rReadVersion )
{
	ByteString	aTmpStr;
	sal_uInt32		nTmp32;
	sal_uInt16		nTmp16;

	rIn >> nTmp32 >> nTmp16 >> rReadVersion >> nTmp16 >> bIsThumbBmp;

	if( bIsThumbBmp )
    {
        ReadDIBBitmapEx(aThumbBmp, rIn);
    }
	else
    {
		rIn >> aThumbMtf;
    }

	rIn >> aTmpStr; aURL = INetURLObject( String( aTmpStr.GetBuffer(), RTL_TEXTENCODING_UTF8 ) );
}

// ------------------------------------------------------------------------

const String SgaObject::GetTitle() const
{
	String aReturnValue( aTitle );
	if ( !getenv( "GALLERY_SHOW_PRIVATE_TITLE" ) )
	{
		if ( aReturnValue.GetTokenCount( ':' ) == 3 )
		{
			String		aPrivateInd  ( aReturnValue.GetToken( 0, ':' ) );
			String		aResourceName( aReturnValue.GetToken( 1, ':' ) );
			sal_Int32	nResId		 ( aReturnValue.GetToken( 2, ':' ).ToInt32() );
			if ( aReturnValue.GetToken( 0, ':' ).EqualsAscii( "private" ) &&
				aResourceName.Len() && ( nResId > 0 ) && ( nResId < 0x10000 ) )
			{
				ByteString aMgrName( aResourceName, RTL_TEXTENCODING_UTF8 );
				ResMgr* pResMgr = ResMgr::CreateResMgr( aMgrName.GetBuffer(),
							Application::GetSettings().GetUILocale() );
				if ( pResMgr )
				{
					ResId aResId( (sal_uInt16)nResId, *pResMgr );
					aResId.SetRT( RSC_STRING );
					if ( pResMgr->IsAvailable( aResId ) )
					{
						aReturnValue = String( aResId );
					}
					delete pResMgr;
				}
			}
		}
	}
	return aReturnValue;
}

// ------------------------------------------------------------------------

void SgaObject::SetTitle( const String& rTitle )
{
	aTitle = rTitle;
}

// ------------------------------------------------------------------------

SvStream& operator<<( SvStream& rOut, const SgaObject& rObj )
{
	rObj.WriteData( rOut, String() );
	return rOut;
}

// ------------------------------------------------------------------------

SvStream& operator>>( SvStream& rIn, SgaObject& rObj )
{
	sal_uInt16 nReadVersion;

	rObj.ReadData( rIn, nReadVersion );
	rObj.bIsValid = ( rIn.GetError() == ERRCODE_NONE );

	return rIn;
}

// ----------------
// - SgaObjectBmp -
// ----------------

SgaObjectBmp::SgaObjectBmp()
{
}

// ------------------------------------------------------------------------

SgaObjectBmp::SgaObjectBmp( const INetURLObject& rURL )
{
	Graphic aGraphic;
	String	aFilter;

	if ( SGA_IMPORT_NONE != GalleryGraphicImport( rURL, aGraphic, aFilter ) )
		Init( aGraphic, rURL );
}

// ------------------------------------------------------------------------

SgaObjectBmp::SgaObjectBmp( const Graphic& rGraphic, const INetURLObject& rURL, const String& )
{
	if( FileExists( rURL ) )
		Init( rGraphic, rURL );
}

// ------------------------------------------------------------------------

void SgaObjectBmp::Init( const Graphic& rGraphic, const INetURLObject& rURL )
{
	aURL = rURL;
	bIsValid = CreateThumb( rGraphic );
}

// ------------------------------------------------------------------------

void SgaObjectBmp::WriteData( SvStream& rOut, const String& rDestDir ) const
{
	String	aDummyStr;
	char	aDummy[ 10 ];

	// Version setzen
	SgaObject::WriteData( rOut, rDestDir );
	rOut.Write( aDummy, 10 );
	rOut << ByteString( aDummyStr, RTL_TEXTENCODING_UTF8 ) << ByteString( aTitle, RTL_TEXTENCODING_UTF8 );
}

// ------------------------------------------------------------------------

void SgaObjectBmp::ReadData( SvStream& rIn, sal_uInt16& rReadVersion )
{
	ByteString aTmpStr;

	SgaObject::ReadData( rIn, rReadVersion );
	rIn.SeekRel( 10 ); // 16, 16, 32, 16
	rIn >> aTmpStr; // dummy

	if( rReadVersion >= 5 )
	{
		rIn >> aTmpStr; aTitle = String( aTmpStr.GetBuffer(), RTL_TEXTENCODING_UTF8 );
	}
}

// ------------------
// - SgaObjectSound -
// ------------------
DBG_NAME(SgaObjectSound)

SgaObjectSound::SgaObjectSound() :
	eSoundType( SOUND_STANDARD )
{
    DBG_CTOR(SgaObjectSound,NULL);

}

// ------------------------------------------------------------------------

SgaObjectSound::SgaObjectSound( const INetURLObject& rURL ) :
	eSoundType( SOUND_STANDARD )
{
    DBG_CTOR(SgaObjectSound,NULL);

	if( FileExists( rURL ) )
	{
		aURL = rURL;
		aThumbBmp = Bitmap( Size( 1, 1 ), 1 );
		bIsValid = sal_True;
	}
	else
		bIsValid = sal_False;
}

// ------------------------------------------------------------------------

SgaObjectSound::~SgaObjectSound()
{

    DBG_DTOR(SgaObjectSound,NULL);
}

// ------------------------------------------------------------------------

BitmapEx SgaObjectSound::GetThumbBmp() const
{
	sal_uInt16 nId;

	switch( eSoundType )
	{
		case( SOUND_COMPUTER ): nId = RID_SVXBMP_GALLERY_SOUND_1; break;
		case( SOUND_MISC ): nId = RID_SVXBMP_GALLERY_SOUND_2; break;
		case( SOUND_MUSIC ): nId = RID_SVXBMP_GALLERY_SOUND_3; break;
		case( SOUND_NATURE ): nId = RID_SVXBMP_GALLERY_SOUND_4; break;
		case( SOUND_SPEECH ): nId = RID_SVXBMP_GALLERY_SOUND_5; break;
		case( SOUND_TECHNIC ): nId = RID_SVXBMP_GALLERY_SOUND_6; break;
		case( SOUND_ANIMAL ): nId = RID_SVXBMP_GALLERY_SOUND_7; break;

		// standard
		default:
			 nId = RID_SVXBMP_GALLERY_MEDIA;
		break;
	}

	const BitmapEx  aBmpEx( GAL_RESID( nId ) );
	
    return aBmpEx;
}

// ------------------------------------------------------------------------

void SgaObjectSound::WriteData( SvStream& rOut, const String& rDestDir ) const
{
	SgaObject::WriteData( rOut, rDestDir );
	rOut << (sal_uInt16) eSoundType << ByteString( aTitle, RTL_TEXTENCODING_UTF8 );
}

// ------------------------------------------------------------------------

void SgaObjectSound::ReadData( SvStream& rIn, sal_uInt16& rReadVersion )
{
	SgaObject::ReadData( rIn, rReadVersion );

	if( rReadVersion >= 5 )
	{
		ByteString	aTmpStr;
		sal_uInt16		nTmp16;

		rIn >> nTmp16; eSoundType = (GalSoundType) nTmp16;

		if( rReadVersion >= 6 )
		{
			rIn >> aTmpStr; aTitle = String( aTmpStr.GetBuffer(), RTL_TEXTENCODING_UTF8 );
		}
	}
}

// -----------------
// - SgaObjectAnim -
// -----------------

SgaObjectAnim::SgaObjectAnim()
{
}

// ------------------------------------------------------------------------

SgaObjectAnim::SgaObjectAnim( const Graphic& rGraphic,
							  const INetURLObject& rURL,
							  const String& )
{
	aURL = rURL;
	bIsValid = CreateThumb( rGraphic );
}

// -----------------
// - SgaObjectINet -
// -----------------

SgaObjectINet::SgaObjectINet()
{
}

// ------------------------------------------------------------------------

SgaObjectINet::SgaObjectINet( const Graphic& rGraphic, const INetURLObject& rURL, const String& rFormatName ) :
			SgaObjectAnim	( rGraphic, rURL, rFormatName )
{
}

// -------------------
// - SgaObjectSvDraw -
// -------------------

SgaObjectSvDraw::SgaObjectSvDraw()
{
}

// ------------------------------------------------------------------------

SgaObjectSvDraw::SgaObjectSvDraw( const FmFormModel& rModel, const INetURLObject& rURL )
{
	aURL = rURL;
	bIsValid = CreateThumb( rModel );
}

// ------------------------------------------------------------------------
DBG_NAME(SvxGalleryDrawModel)

SvxGalleryDrawModel::SvxGalleryDrawModel()
: mpFormModel( 0 )
{
    DBG_CTOR(SvxGalleryDrawModel,NULL);

    const String sFactoryURL(RTL_CONSTASCII_USTRINGPARAM("sdraw"));

    mxDoc = SfxObjectShell::CreateObjectByFactoryName( sFactoryURL );

    if( mxDoc.Is() )
    {
        mxDoc->DoInitNew(0);

        uno::Reference< lang::XUnoTunnel > xTunnel( mxDoc->GetModel(), uno::UNO_QUERY );
        if( xTunnel.is() )
        {
            mpFormModel = dynamic_cast< FmFormModel* >(
                reinterpret_cast<SdrModel*>(xTunnel->getSomething(SdrModel::getUnoTunnelImplementationId())));
            if( mpFormModel )
            {
                mpFormModel->InsertPage( mpFormModel->AllocPage( false ) );
            }
        }
    }
}

// ------------------------------------------------------------------------

SvxGalleryDrawModel::~SvxGalleryDrawModel()
{
    if( mxDoc.Is() )
        mxDoc->DoClose();

    DBG_DTOR(SvxGalleryDrawModel,NULL);
}

// ------------------------------------------------------------------------

SgaObjectSvDraw::SgaObjectSvDraw( SvStream& rIStm, const INetURLObject& rURL )
{
    SvxGalleryDrawModel aModel;

    if( aModel.GetModel() )
    {
        if( GallerySvDrawImport( rIStm, *aModel.GetModel()  ) )
        {
            aURL = rURL;
            bIsValid = CreateThumb( *aModel.GetModel()  );
        }
    }
}

// ------------------------------------------------------------------------

sal_Bool SgaObjectSvDraw::CreateThumb( const FmFormModel& rModel )
{
	Graphic		aGraphic;
	ImageMap	aImageMap;
	sal_Bool		bRet = sal_False;

	if ( CreateIMapGraphic( rModel, aGraphic, aImageMap ) )
    {
		bRet = SgaObject::CreateThumb( aGraphic );
    }
	else
	{
        const FmFormPage* pPage = static_cast< const FmFormPage* >(rModel.GetPage(0));

        if(pPage)
        {
            const Rectangle aObjRect(pPage->GetAllObjBoundRect());

            if(aObjRect.GetWidth() && aObjRect.GetHeight())
            {
                VirtualDevice aVDev;
                FmFormView aView(const_cast< FmFormModel* >(&rModel), &aVDev);

                aView.ShowSdrPage(const_cast< FmFormPage* >(pPage));
                aView.MarkAllObj();
                aThumbBmp = aView.GetMarkedObjBitmapEx();

                const Size aDiscreteSize(aThumbBmp.GetSizePixel());

                if(aDiscreteSize.Width() && aDiscreteSize.Height())
                {
                    sal_uInt32 nTargetSizeX(S_THUMB);
                    sal_uInt32 nTargetSizeY(S_THUMB);

                    if(aDiscreteSize.Width() > aDiscreteSize.Height())
                    {
                        nTargetSizeY = (aDiscreteSize.Height() * nTargetSizeX) / aDiscreteSize.Width();
                    }
                    else
                    {
                        nTargetSizeX = (aDiscreteSize.Width() * nTargetSizeY) / aDiscreteSize.Height();
                    }

                    if(!!aThumbBmp)
                    {
                        aThumbBmp.Scale(Size(nTargetSizeX, nTargetSizeY), BMP_SCALE_BESTQUALITY);
                        aThumbBmp.Convert(BMP_CONVERSION_8BIT_COLORS);
                        bRet = true;
                    }
                }
            }
        }
	}

	return bRet;
}

// ------------------------------------------------------------------------

void SgaObjectSvDraw::WriteData( SvStream& rOut, const String& rDestDir ) const
{
	SgaObject::WriteData( rOut, rDestDir );
	rOut << ByteString( aTitle, RTL_TEXTENCODING_UTF8 );
}

// ------------------------------------------------------------------------

void SgaObjectSvDraw::ReadData( SvStream& rIn, sal_uInt16& rReadVersion )
{
	SgaObject::ReadData( rIn, rReadVersion );

	if( rReadVersion >= 5 )
	{
		ByteString aTmpStr;
		rIn >> aTmpStr; aTitle = String( aTmpStr.GetBuffer(), RTL_TEXTENCODING_UTF8 );
	}
}

// eof