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Change all
DataAccessby making them implementArrayDataAccess.Before this PR, when a tile of an image was accessed for the first time, the corresponding
BufferedImage(orRaster) was saved, and getting a pixel of this tile was fetching the pixel from theBufferedImage/Raster.With this PR, when a tile of an image is accessed for the first time, an array is created and populated by all pixels of the corresponding
BufferedImage/Raster. Getting a pixel of this tile is now simply an array access.In terms of performance, with this PR, the first access to a pixel belonging to a tile is slower, but all subsequent access to pixels of the same tile are faster.