libreoffice/svtools/source/graphic/graphic.cxx

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 *
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 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
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 *
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 * only, as published by the Free Software Foundation.
 *
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svtools.hxx"

#include <rtl/uuid.h>
#include <vos/mutex.hxx>
#include <vcl/svapp.hxx>
#include <com/sun/star/graphic/GraphicType.hpp>
#include <com/sun/star/graphic/XGraphicTransformer.hpp>
#include <vcl/graph.hxx>
#include "graphic.hxx"

using namespace com::sun::star;

namespace unographic {

// -------------------
// - GraphicProvider -
// -------------------

Graphic::Graphic() :
    mpGraphic( NULL )
{
}

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

Graphic::~Graphic()
    throw()
{
    delete mpGraphic;
}

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

void Graphic::init( const ::Graphic& rGraphic )
    throw()
{
    delete mpGraphic;
    mpGraphic = new ::Graphic( rGraphic );
    ::unographic::GraphicDescriptor::init( *mpGraphic );
}

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

uno::Any SAL_CALL Graphic::queryAggregation( const uno::Type& rType )
    throw( uno::RuntimeException )
{
    uno::Any aAny;
    if( rType == ::getCppuType((const uno::Reference< graphic::XGraphic >*)0) )
        aAny <<= uno::Reference< graphic::XGraphic >( this );
    else if( rType == ::getCppuType((const uno::Reference< awt::XBitmap >*)0) )
        aAny <<= uno::Reference< awt::XBitmap >( this );
    else if( rType == ::getCppuType((const uno::Reference< lang::XUnoTunnel >*)0) )
        aAny <<= uno::Reference< lang::XUnoTunnel >(this);
    else
        aAny <<= ::unographic::GraphicDescriptor::queryAggregation( rType );

    return aAny ;
}

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

uno::Any SAL_CALL Graphic::queryInterface( const uno::Type & rType )
    throw( uno::RuntimeException )
{
    ::com::sun::star::uno::Any aReturn = ::unographic::GraphicDescriptor::queryInterface( rType );
    if ( !aReturn.hasValue() )
        aReturn = ::cppu::queryInterface ( rType, static_cast< graphic::XGraphicTransformer*>( this ) );
    return aReturn;
}

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

void SAL_CALL Graphic::acquire()
    throw()
{
    ::unographic::GraphicDescriptor::acquire();
}

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

void SAL_CALL Graphic::release() throw()
{
    ::unographic::GraphicDescriptor::release();
}

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

uno::Sequence< sal_Int8 > SAL_CALL Graphic::getImplementationId_Static()
    throw(uno::RuntimeException)
{
    vos::OGuard                         aGuard( Application::GetSolarMutex() );
    static uno::Sequence< sal_Int8 >    aId;

    if( aId.getLength() == 0 )
    {
        aId.realloc( 16 );
        rtl_createUuid( reinterpret_cast< sal_uInt8* >( aId.getArray() ), 0, sal_True );
    }

    return aId;
}

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

::rtl::OUString Graphic::getImplementationName_Static()
    throw()
{
    return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.graphic.Graphic" ) );
}

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

uno::Sequence< ::rtl::OUString > Graphic::getSupportedServiceNames_Static()
    throw()
{
    uno::Sequence< ::rtl::OUString > aSeq( 1 );

    aSeq.getArray()[ 0 ] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.graphic.Graphic" ) );

    return aSeq;
}

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

::rtl::OUString SAL_CALL Graphic::getImplementationName()
    throw( uno::RuntimeException )
{
    return getImplementationName_Static();
}

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

sal_Bool SAL_CALL Graphic::supportsService( const ::rtl::OUString& rServiceName )
    throw( uno::RuntimeException )
{
    if( ::unographic::GraphicDescriptor::supportsService( rServiceName ) )
        return true;
    else
    {
        uno::Sequence< ::rtl::OUString >    aSNL( getSupportedServiceNames() );
        const ::rtl::OUString*              pArray = aSNL.getConstArray();

        for( int i = 0; i < aSNL.getLength(); i++ )
            if( pArray[i] == rServiceName )
                return true;

        return false;
    }
}

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

uno::Sequence< ::rtl::OUString > SAL_CALL Graphic::getSupportedServiceNames()
    throw( uno::RuntimeException )
{
    uno::Sequence< ::rtl::OUString >    aRet( ::unographic::GraphicDescriptor::getSupportedServiceNames() );
    uno::Sequence< ::rtl::OUString >    aNew( getSupportedServiceNames_Static() );
    sal_Int32                           nOldCount = aRet.getLength();

    aRet.realloc( nOldCount + aNew.getLength() );

    for( sal_Int32 i = 0; i < aNew.getLength(); ++i )
        aRet[ nOldCount++ ] = aNew[ i ];

    return aRet;
}

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

uno::Sequence< uno::Type > SAL_CALL Graphic::getTypes()
    throw(uno::RuntimeException)
{
    uno::Sequence< uno::Type >  aRet( ::unographic::GraphicDescriptor::getTypes() );
    sal_Int32                   nOldCount = aRet.getLength();

    aRet.realloc( nOldCount + 2 );
    aRet[ nOldCount ] = ::getCppuType((const uno::Reference< graphic::XGraphic>*)0);
    aRet[ nOldCount+1 ] = ::getCppuType((const uno::Reference< awt::XBitmap>*)0);

    return aRet;
}

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

uno::Sequence< sal_Int8 > SAL_CALL Graphic::getImplementationId()
    throw(uno::RuntimeException)
{
    return getImplementationId_Static();
}

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

::sal_Int8 SAL_CALL Graphic::getType()
     throw (uno::RuntimeException)
{
    ::sal_Int8 cRet = graphic::GraphicType::EMPTY;

    if( mpGraphic && ( mpGraphic->GetType() != GRAPHIC_NONE ) )
        cRet = ( ( mpGraphic->GetType() == GRAPHIC_BITMAP ) ? graphic::GraphicType::PIXEL : graphic::GraphicType::VECTOR );

    return cRet;
}

//----------------------------------------------------------------------
// XBitmap
//----------------------------------------------------------------------

awt::Size SAL_CALL Graphic::getSize(  ) throw (uno::RuntimeException)
{
    ::vos::OGuard aGuard( Application::GetSolarMutex() );

    ::Size aVclSize;
    if( mpGraphic && ( mpGraphic->GetType() != GRAPHIC_NONE ) )
        aVclSize = mpGraphic->GetSizePixel();

    return awt::Size( aVclSize.Width(), aVclSize.Height() );
}

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

uno::Sequence< ::sal_Int8 > SAL_CALL Graphic::getDIB(  ) throw (uno::RuntimeException)
{
    ::vos::OGuard aGuard( Application::GetSolarMutex() );

    if( mpGraphic && ( mpGraphic->GetType() != GRAPHIC_NONE ) )
    {
        SvMemoryStream aMem;
        aMem << mpGraphic->GetBitmapEx().GetBitmap();
        return ::com::sun::star::uno::Sequence<sal_Int8>( (sal_Int8*) aMem.GetData(), aMem.Tell() );
    }
    else
    {
        return uno::Sequence<sal_Int8>();
    }
}

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

uno::Sequence< ::sal_Int8 > SAL_CALL Graphic::getMaskDIB(  ) throw (uno::RuntimeException)
{
    ::vos::OGuard aGuard( Application::GetSolarMutex() );

    if( mpGraphic && ( mpGraphic->GetType() != GRAPHIC_NONE ) )
    {
        SvMemoryStream aMem;
        aMem << mpGraphic->GetBitmapEx().GetMask();
        return ::com::sun::star::uno::Sequence<sal_Int8>( (sal_Int8*) aMem.GetData(), aMem.Tell() );
    }
    else
    {
        return uno::Sequence<sal_Int8>();
    }
}

//----------------------------------------------------------------------
const ::Graphic* Graphic::getImplementation( const uno::Reference< uno::XInterface >& rxIFace )
    throw()
{
    uno::Reference< lang::XUnoTunnel > xTunnel( rxIFace, uno::UNO_QUERY );
    return( xTunnel.is() ? reinterpret_cast< ::Graphic* >( xTunnel->getSomething( getImplementationId_Static() ) ) : NULL );
}

//----------------------------------------------------------------------
sal_Int64 SAL_CALL Graphic::getSomething( const uno::Sequence< sal_Int8 >& rId )
    throw( uno::RuntimeException )
{
    return( ( rId.getLength() == 16 && 0 == rtl_compareMemory( getImplementationId().getConstArray(), rId.getConstArray(), 16 ) ) ?
            reinterpret_cast< sal_Int64 >( mpGraphic ) :
            0 );
}

}