This class places an image in the canvas coordinate system, tiles it, if so specified, and performs the coordinate conversions transparently. The source must be a 'BlkImgDataSrc' which is not tiled and has a the image origin at the canvas origin (i.e. it is not "canvased"), or an exception is thrown by the constructor. A tiled and "canvased" output is given through the 'BlkImgDataSrc' interface. See the 'ImgData' interface for a description of the canvas and tiling.

All tiles produced are rectangular, non-overlapping and their union covers all the image. However, the tiling may not be uniform, depending on the nominal tile size, tiling origin, component subsampling and other factors. Therefore it might not be assumed that all tiles are of the same width and height.

The nominal dimension of the tiles is the maximal one, in the reference grid. All the components of the image have the same number of tiles.

'Declaration
 
Public Class Tiler 
   Inherits ImgDataAdapter
   Implements BlkImgDataSrc, ImgData 

public class Tiler : ImgDataAdapter, BlkImgDataSrc, ImgData