CANVAS:fill_rect

CANVAS:fill_rect(x1, y1, x2, y2, color)

Fill a rectangle defined by the bounding area of x1,y2 to x2,y2 with a specific color


Parameters:
    x1      The x position of the first corner
    y1      The y position of the first corner
    x2      The x position of the second corner
    y2      The y position of the second corner
    color   An RGB color value as an integer value.
                    

-- Draw three colored bars across the canvas
function FillRGB(name)
    local canvas = gre.get_canvas(name)
    local size = canvas:get_dimensions()
    local rw = size.width / 3
    canvas:fill_rect(0,    0, rw,   size.height, 0xff0000)
    canvas:fill_rect(rw,   0, 2*rw, size.height, 0x00ff00)
    canvas:fill_rect(2*rw, 0, 3*rw, size.height, 0x0000ff)
end