mark_up_to_date

Description:

public void mark_up_to_date (int x, int y, int zoom_level)

Marks a tile in the cache as being up to date, without changing its data.

For example, a network source might call this function when it gets an HTTP 304 Not Modified response.

Parameters:

this

a FileCache
x

the X coordinate of the tile
y

the Y coordinate of the tile
zoom_level

the zoom level of the tile