- a
- alpha component (0..255) of the color to draw onto the canvas
- r
- red component (0..255) of the color to draw onto the canvas
- g
- green component (0..255) of the color to draw onto the canvas
- b
- blue component (0..255) of the color to draw onto the canvas
Fill the entire canvas' bitmap (restricted to the current clip) with the specified ARGB color, using srcover porterduff mode.