Function canvas_draw_line 

pub unsafe extern "C" fn canvas_draw_line(
    canvas: *mut Canvas,
    x1: i32,
    y1: i32,
    x2: i32,
    y2: i32,
)

Draw line from x1,y1 to x2,y2

Arguments

• canvas - Canvas instance
• x1 - x1 coordinate
• y1 - y1 coordinate
• x2 - x2 coordinate
• y2 - y2 coordinate