C++ BitmapImage::GetSize方法代码示例

/** \brief Get a suitable icon for the file.
 * This should retrieve a suitable icon for the file to display and return
 * an Image pointer to it.
 *
 * \param pcNode The item from the remote view that needs an icon.
 * \param bSmall If true, the icon should be 24x24. Otherwise it should be 48x48.
 *
 * \todo Ask the registrar for a suitable icon, based on the file extension.
 * \todo Add basic file/dir icons as resources, and fall back to them if the icon file is missing.
 */
Image* RemoteIconView::GetNodeImage( RemoteNode* pcNode, bool bSmall )
{
	File* pcFile;
	/* Todo: ask the Registrar for suitable icon */
	/* Looks like with current RegistrarManager class, either have to parse the list of registered types, or create a 'fake' temp file and query registrar about that instead */
	if( pcNode->m_bIsDir ) {
		/* TODO: fall back to resource if file isn't present */
		pcFile = new File( "/system/icons/folder.png" );
	} else {
		pcFile = new File( "/system/icons/file.png" );
	}
	BitmapImage* pcImage = new BitmapImage( pcFile );
	
	if( bSmall ) {
		if( pcImage && pcImage->GetSize() != Point( 24,24 ) )
			pcImage->SetSize( Point( 24,24 ) );
	} else {
		if( pcImage && pcImage->GetSize() != Point( 48,48 ) )
			pcImage->SetSize( Point( 48,48 ) );
	}
	return( pcImage );
}

void DockCamera::MouseMove( const os::Point& cNewPos, int nCode, uint32 nButtons, os::Message* pcData )
{
	if (nCode == MOUSE_INSIDE)
	{
		if (m_bHover)
		{
			Bitmap* pcBitmap = m_pcIcon->LockBitmap();
			m_bHover = false;
			if( pcPaint == NULL )
			{
				pcPaint = new BitmapImage(pcBitmap->LockRaster(),IPoint((int)m_pcIcon->GetSize().x,(int)m_pcIcon->GetSize().y),pcBitmap->GetColorSpace());;
				pcPaint->ApplyFilter(BitmapImage::F_HIGHLIGHT);
				pcBitmap->UnlockRaster();
				pcPaint->UnlockBitmap();
			}
			Invalidate(GetBounds());
			Flush();
		}
	}

	else
	{
		m_bHover = true;
		Invalidate(GetBounds());
		Flush();
	}

	if( nCode != MOUSE_ENTERED && nCode != MOUSE_EXITED )
	{
		/* Create dragging operation */
		if( m_bCanDrag )
		{
			BitmapImage* pcIcon = m_pcIcon;
			m_bDragging = true;
			os::Message* pcMsg = new os::Message();
			BeginDrag( pcMsg, os::Point( pcIcon->GetBounds().Width() / 2,
											pcIcon->GetBounds().Height() / 2 ),pcIcon->LockBitmap() );
			delete( pcMsg );
			m_bCanDrag = false;
			Paint(GetBounds());
		}
	}

	os::View::MouseMove( cNewPos, nCode, nButtons, pcData );
}

    void UpdateSettings()
    {
        for(UINT i=0; i<bitmapImages.Num(); i++)
            delete bitmapImages[i];
        bitmapImages.Clear();

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

        bool bFirst = true;

        StringList bitmapList;
        data->GetStringList(TEXT("bitmap"), bitmapList);
        for(UINT i=0; i<bitmapList.Num(); i++)
        {
            String &strBitmap = bitmapList[i];
            if(strBitmap.IsEmpty())
            {
                AppWarning(TEXT("BitmapTransitionSource::UpdateSettings: Empty path"));
                continue;
            }

            BitmapImage *bitmapImage = new BitmapImage;
            bitmapImage->SetPath(strBitmap);
            bitmapImage->EnableFileMonitor(false);
            bitmapImage->Init();

            if(bFirst)
            {
                fullSize = bitmapImage->GetSize();
                baseAspect = double(fullSize.x)/double(fullSize.y);
                bFirst = false;
            }

            bitmapImages << bitmapImage;
        }

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

        transitionTime = data->GetFloat(TEXT("transitionTime"));
        if(transitionTime < MIN_TRANSITION_TIME)
            transitionTime = MIN_TRANSITION_TIME;
        else if(transitionTime > MAX_TRANSITION_TIME)
            transitionTime = MAX_TRANSITION_TIME;

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

        bFadeInOnly = data->GetInt(TEXT("fadeInOnly"), 1) != 0;
        bDisableFading = data->GetInt(TEXT("disableFading")) != 0;
        bRandomize = data->GetInt(TEXT("randomize")) != 0;

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

        curTransitionTime = 0.0f;
        curTexture = 0;

        if(bRandomize)
        {
            srand( (unsigned)time( NULL ) );
            if(bitmapImages.Num() > 1)
            {
                curTexture = lrand(bitmapImages.Num());
                while((nextTexture = lrand(bitmapImages.Num())) == curTexture);
            }
        }
        else
            nextTexture = (curTexture == bitmapImages.Num()-1) ? 0 : curTexture+1;

        bTransitioning = false;
        curFadeValue = 0.0f;
    }

Point DockCamera::GetPreferredSize( bool bLargest ) const
{
	return m_pcIcon->GetSize();
}

 Vect2 GetSize() const {return bitmapImage.GetSize();}

/** \brief DragSelection callback.
 * Handles the results of a drag selection.
 */
void RemoteIconView::DragSelection( Point cStartPoint )
{
	/* Most of this is adapted from IconDirectoryView::DragSelection */
	
	if( m_pcServer == NULL )
	{
		DEBUG( "DragSelection with m_pcServer== NULL\n" );
		return;
	}
	
	String zBase = m_pcServer->GetServerAddress();
	Message cMsg( 1234 );	/* Message code isn't important */
	
	/* Add all selected icons to the message, and find the icon under the mouse. */
	int nCount = 0;
	int nLastSelected = -1;
	Point cIconPos = Point( 0,0 );
	for( uint i = 0; i < GetIconCount(); i++ ) {
		if( GetIconSelected( i ) ) {
			RemoteIconData* pcData = (RemoteIconData*)GetIconData( i );
//			DEBUG( "   %s\n", pcData->m_cNode.m_zPath.c_str() );
			cMsg.AddString( "remote-file/path", pcData->m_cNode.m_zPath );
			cMsg.AddString( "server", zBase );
			cMsg.AddBool( "is_dir", pcData->m_cNode.m_bIsDir );
			
			if( Rect( GetIconPosition( i ), GetIconPosition( i ) + GetIconSize() ).DoIntersect( cStartPoint ) ) {
				cIconPos = GetIconPosition( i );
			}
			
			nLastSelected = i;
			nCount++;
		}
	}
	if( nCount == 0 ) return;
	
	/* Create a drag&drop icon */
	Bitmap cBitmap( (int)GetIconSize().x + 1, (int)GetIconSize().y + 1, CS_RGB32, Bitmap::ACCEPT_VIEWS | Bitmap::SHARE_FRAMEBUFFER );
	View* pcView = new View( Rect( Point(0,0), GetIconSize() ), "temp" );
	cBitmap.AddChild( pcView );
	
	Image* pcIcon = NULL;
	String zLabel;
	if( nCount == 1 ) {
		/* Only one file selected; use its icon */
		zLabel = GetIconString( nLastSelected, 0 );
		pcIcon = GetIconImage( nLastSelected );
	} else {
		/* Multiple files selected; use dir icon */
		zLabel.Format( "%i items", nCount );	/* TODO: localise the string */
		/* TODO: Fall back to resource if file isn't present */
		File* pcFile = new File( "/system/icons/folder.png" );
		BitmapImage* pcBitmapImage = new BitmapImage( pcFile );
		Point cSize = (GetView() == VIEW_LIST || GetView() == VIEW_DETAILS ? Point( 24,24 ) : Point( 48,48 ));
		if( pcBitmapImage->GetSize() != cSize ) pcBitmapImage->SetSize( cSize );
		pcIcon = pcBitmapImage;
	}
	if( pcIcon ) {
		RenderIcon( zLabel, pcIcon, pcView, Point(0,0) );
	}
	cBitmap.Sync();
	if( nCount != 1 ) delete( pcIcon );
	
	BeginDrag( &cMsg, cStartPoint - cIconPos, &cBitmap );
}