#!/usr/bin/env python3

import cairo
import math
from utils import random_color

WIDTH, HEIGHT = 256, 256

def main():
    
    surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, WIDTH, HEIGHT)
    ctx = cairo.Context(surface)

    ctx.scale(WIDTH, HEIGHT)  # Normalizing the canvas

    pat = cairo.LinearGradient(0.0, 0.0, 0.0, 1.0)
    r1, g1, b1 = random_color()
    r2, g2, b2 = random_color()
    pat.add_color_stop_rgba(1, r1, g1, b1, 1)  # First stop, 50% opacity
    pat.add_color_stop_rgba(0, r2, g2, b2, 1)  # Last stop, 100% opacity

    ctx.rectangle(0, 0, 1, 1)  # Rectangle(x0, y0, x1, y1)
    ctx.set_source(pat)
    ctx.fill()


    surface.write_to_png("out/gradient.png")  # Output to PNG

if __name__ == '__main__':
    main()