libreoffice/canvas/source/directx/dx_config.cxx

/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: dx_config.cxx,v $
 *
 *  $Revision: 1.2 $
 *
 *  last change: $Author: hr $ $Date: 2007-11-01 17:54:21 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 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
 *
 ************************************************************************/

#include "dx_config.hxx"

#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <comphelper/anytostring.hxx>
#include <basegfx/vector/b2ivector.hxx>
#include <cppuhelper/exc_hlp.hxx>

using namespace com::sun::star;

namespace dxcanvas
{
    DXCanvasItem::DXCanvasItem() :
        ConfigItem(
            ::rtl::OUString(
                RTL_CONSTASCII_USTRINGPARAM( "Office.Canvas/DXCanvas" )),
            CONFIG_MODE_IMMEDIATE_UPDATE ),
        maValues(),
        maMaxTextureSize(),
        mbBlacklistCurrentDevice(false),
        mbValuesDirty(false)
    {
        try
        {
            uno::Sequence< ::rtl::OUString > aName(1);
            aName[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "DeviceBlacklist" ));

            uno::Sequence< uno::Any > aProps( GetProperties( aName ));
            uno::Sequence< sal_Int32 > aValues;

            if( aProps.getLength() > 0 &&
                (aProps[0] >>= aValues) )
            {
                const sal_Int32* pValues = aValues.getConstArray();
                const sal_Int32 nNumEntries( aValues.getLength()*sizeof(sal_Int32)/sizeof(DeviceInfo) );
                for( sal_Int32 i=0; i<nNumEntries; ++i )
                {
                    DeviceInfo aInfo;
                    aInfo.nVendorId         = *pValues++;
                    aInfo.nDeviceId         = *pValues++;
                    aInfo.nDeviceSubSysId   = *pValues++;
                    aInfo.nDeviceRevision   = *pValues++;
                    aInfo.nDriverId         = *pValues++;
                    aInfo.nDriverVersion    = *pValues++;
                    aInfo.nDriverSubVersion = *pValues++;
                    aInfo.nDriverBuildId    = *pValues++;
                    maValues.insert(aInfo);
                }
            }

            aName[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "BlacklistCurrentDevice" ));
            aProps = GetProperties( aName );
            if( aProps.getLength() > 0 )
                aProps[0] >>= mbBlacklistCurrentDevice;

            aName[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "MaxTextureSize" ));
            aProps = GetProperties( aName );
            if( aProps.getLength() > 0 )
                maMaxTextureSize.reset( aProps[0].get<sal_Int32>() );
            else
                maMaxTextureSize.reset();
        }
        catch( uno::Exception& )
        {
            OSL_ENSURE( false,
                        rtl::OUStringToOString(
                            comphelper::anyToString( cppu::getCaughtException() ),
                            RTL_TEXTENCODING_UTF8 ).getStr() );
        }
    }

    DXCanvasItem::~DXCanvasItem()
    {
        if( !mbValuesDirty )
            return;

        try
        {
            uno::Sequence< ::rtl::OUString > aName(1);
            aName[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "DeviceBlacklist" ));

            uno::Sequence< sal_Int32 > aValues( sizeof(DeviceInfo)/sizeof(sal_Int32)*maValues.size() );

            sal_Int32* pValues = aValues.getArray();
            ValueSet::const_iterator aIter( maValues.begin() );
            const ValueSet::const_iterator aEnd( maValues.end() );
            while( aIter != aEnd )
            {
                const DeviceInfo& rInfo( *aIter );
                *pValues++ = rInfo.nVendorId;
                *pValues++ = rInfo.nDeviceId;
                *pValues++ = rInfo.nDeviceSubSysId;
                *pValues++ = rInfo.nDeviceRevision;
                *pValues++ = rInfo.nDriverId;
                *pValues++ = rInfo.nDriverVersion;
                *pValues++ = rInfo.nDriverSubVersion;
                *pValues++ = rInfo.nDriverBuildId;
                ++aIter;
            }

            uno::Sequence< uno::Any > aValue(1);
            aValue[0] <<= aValues;
            PutProperties( aName, aValue );
        }
        catch( uno::Exception& )
        {
            OSL_ENSURE( false,
                        rtl::OUStringToOString(
                            comphelper::anyToString( cppu::getCaughtException() ),
                            RTL_TEXTENCODING_UTF8 ).getStr() );
        }
    }

    bool DXCanvasItem::isDeviceUsable( const DeviceInfo& rDeviceInfo ) const
    {
        return maValues.find(rDeviceInfo) == maValues.end();
    }

    bool DXCanvasItem::isBlacklistCurrentDevice() const
    {
        return mbBlacklistCurrentDevice;
    }

    void DXCanvasItem::blacklistDevice( const DeviceInfo& rDeviceInfo )
    {
        mbValuesDirty = true;
        maValues.insert(rDeviceInfo);
    }

    void DXCanvasItem::adaptMaxTextureSize( basegfx::B2IVector& io_maxTextureSize ) const
    {
        if( maMaxTextureSize )
        {
            io_maxTextureSize.setX(
                std::min( *maMaxTextureSize,
                          io_maxTextureSize.getX() ));
            io_maxTextureSize.setY(
                std::min( *maMaxTextureSize,
                          io_maxTextureSize.getY() ));
        }
    }

}