CANVAS:stroke_line(x1, y1, x2, y2, color)
Stroke a line between the points x1,y2 to x2,y2 with a specific color.
The width of the line is the last value passed to CANVAS:set_line_width or 1 if no width has ever
been specified.
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.
-- Stroke a triangle with three different colored line segments
function StrokeRGB(name)
local canvas = gre.get_canvas(name)
local size = canvas:get_dimensions()
local mid = size.width / 2
-- Shrink the bounds to make the lines visible
size.height = size.height - 2
size.width = size.width - 2
canvas:stroke_line(2, 2, mid, size.height, 0xff0000)
canvas:stroke_line(mid, size.height, size.width, 2, 0x00ff00)
canvas:stroke_line(2, 2, size.width, 2, 0x0000ff)
end