Basic drawing tools for raster graphics editors and their capabilities.

1) Pencil – allows you to draw arbitrary thin lines.
2) Brush – allows you to draw arbitrary lines of varying thickness using a “brush” of the selected shape.
3) Eraser – allows you to erase arbitrary pixels of the image.
4) Sprayer – allows you to spray “paint” and thus paint over arbitrary areas,
5) Fill with color – allows you to paint over closed areas entirely.
6) Scale – allows you to increase or decrease the scale of the image.
7) Text – allows you to create text areas on pixel images.

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