Source code for gulik.patterns

# -*- coding: utf-8 -*-

import cairo

def stripe45(color):

    """
    A tilable pattern with 45° stripes.
    """

    surface = cairo.ImageSurface(cairo.Format.ARGB32, 10, 10)
    context = cairo.Context(surface)
    context.set_source_rgba(*color.tuple_rgba())
    context.move_to(5, 5)
    context.line_to(10, 0)
    context.line_to(10, 5)
    context.line_to(5, 10)
    context.line_to(0, 10)
    context.line_to(5, 5)
    context.close_path()
    context.fill()

    context.move_to(0, 0)
    context.line_to(5, 0)
    context.line_to(0, 5)
    context.close_path()
    context.fill()

    return surface