public void Dispose()
{
_disposed = true;
//clear load queue for thread exit
_loadStack.Clear();
while (!_loadWorkerIsCompleted && _loadWorkerIsStarted)
{
Thread.Sleep(10);
}
_loadWorker.Dispose();
//
if (_loadWorker != null)
{
_loadWorker.Dispose();
_loadWorker = null;
}
if (_tilesLocator != null)
{
_tilesLocator.Dispose();
_tilesLocator = null;
}
if (_tileCacheManager != null)
{
_tileCacheManager.Dispose();
_tileCacheManager = null;
}
if (_sleepTileCacheManager != null)
{
_sleepTileCacheManager.Dispose();
_sleepTileCacheManager = null;
}
if (_dataProviderReader != null)
{
_dataProviderReader.Dispose();
_dataProviderReader = null;
}
_dataProvider = null;
_asyncRefreshCanvas = null;
_canvas.OnEnvelopeChanged -= _canvasEnvelopeChanged;
_canvas = null;
}
public TileBitmapProvider(IRasterDrawing drawing, ICanvas canvas,
IRasterDataProvider dataProvider,
TileSetting tileSetting, int[] selectedBandNos,
GeoDo.RSS.Core.DrawEngine.CoordEnvelope originalEnvelope,
float originalResolutionX, float originalResolutionY,
IRgbStretcherProvider stretcherProvider, string colortablename)
{
_drawing = drawing;
_canvas = canvas;
_dataProvider = dataProvider;
_tileSetting = tileSetting;
_selectedBandNos = selectedBandNos;
_loadingName = _dataProvider.fileName;
_colorTableName = colortablename;
_tilesLocator = new NearestTilesLocator(_dataProvider, originalEnvelope, originalResolutionX, originalResolutionY);
_tileCacheManager = new TileBitmapCacheManager();
_canvasEnvelopeChanged = new EventHandler(CanvasEnvelopeChanged);
_stretcherProvider = stretcherProvider;
CreateDataProviderReader();
CreateTileLoadWorker();
}
