TilesFetcher constructor
Implementation
TilesFetcher(this.tileEntry, {this.zoomLevel}) {
tileMatricies = tileEntry.getTileMatricies();
if (tileMatricies.isEmpty) {
throw StateError("No tile matrices available.");
}
TileMatrix? tileMatrix = tileMatricies.last;
if (zoomLevel != null) {
tileMatrix = tileMatricies
.firstWhere((tm) => tm.getZoomLevel() == zoomLevel, orElse: null);
}
zoomLevel = tileMatrix.zoomLevel;
matrixWidth = tileMatrix.getMatrixWidth();
matrixHeight = tileMatrix.getMatrixHeight();
var tileMatrixSetBounds = tileEntry.getTileMatrixSetBounds();
deltaX = tileMatrixSetBounds.getWidth() / matrixWidth;
deltaY = tileMatrixSetBounds.getHeight() / matrixHeight;
tileSetMinX = tileMatrixSetBounds.getMinX();
tileSetMaxY = tileMatrixSetBounds.getMaxY();
tableName = tileEntry.getTableName();
xPixels = tileMatrix.getTileWidth();
yPixels = tileMatrix.getTileHeight();
}