Returns the overall width of the current tile in pixels for the given (tile) resolution level. This is the tile's width without accounting for any component subsampling.

       <p>Note: Tile resolution level indexes may be different from
       tile-component resolution index. They are indeed indexed starting from
       the lowest number of decomposition levels of each component of the
       tile.</p><p>For an image (1 tile) with 2 components (component 0 having 2
       decomposition levels and component 1 having 3 decomposition levels),
       the first (tile-)component has 3 resolution levels and the second one
       has 4 resolution levels, whereas the tile has only 3 resolution levels
       available.</p>