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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# libcaca Colour ASCII-Art library
# Python language bindings
# Copyright (c) 2010 Alex Foulon <alxf@lavabit.com>
# All Rights Reserved
#
# This library is free software. It comes without any warranty, to
# the extent permitted by applicable law. You can redistribute it
# and/or modify it under the terms of the Do What the Fuck You Want
# to Public License, Version 2, as published by Sam Hocevar. See
# http://www.wtfpl.net/ for more details.
#
""" Libcaca Python bindings """
import ctypes
import sys
import time
import caca
from caca.canvas import Canvas
from caca.display import Display, Event
class Drawing(object):
def __init__(self, canvas):
self.cv = canvas
def do_menu(self):
self.cv.put_str(0, 1, "Drawing Menu")
self.cv.put_str(0, 2, "------------")
self.cv.put_str(0, 4, "1) line")
self.cv.put_str(0, 5, "2) thin line")
self.cv.put_str(0, 6, "3) polyline")
self.cv.put_str(0, 7, "4) thin polyline")
self.cv.put_str(0, 8, "5) circle")
self.cv.put_str(0, 9, "6) ellipse")
self.cv.put_str(0, 10, "7) thin ellipse")
self.cv.put_str(0, 11, "8) box")
self.cv.put_str(0, 12, "9) thin box")
def do_line(self, thin=False):
if thin:
self.cv.draw_thin_line(0, 0, self.cv.get_width(), 1)
else:
self.cv.draw_line(0, 0, self.cv.get_width(), 1, '#')
def do_polyline(self, thin=False):
x = [0, self.cv.get_width() - 1, self.cv.get_width() - 1]
y = [0, self.cv.get_height(), 0]
array_x = ctypes.c_int * (len(x) + 1)
array_y = ctypes.c_int * (len(y) + 1)
array_xy = [ (x, y) for x, y in zip(array_x(*x), array_y(*y))]
if thin:
self.cv.draw_thin_polyline(array_xy)
else:
self.cv.draw_polyline(array_xy, '#')
def do_circle(self):
x = self.cv.get_width() // 2
y = self.cv.get_height() // 2
radius = 5
self.cv.draw_circle(x, y, radius, '@')
def do_ellipse(self, thin=False):
x = self.cv.get_width() // 2
y = self.cv.get_height() // 2
a = 7
b = 3
if thin:
self.cv.draw_thin_ellipse(x, y, a, b)
else:
self.cv.draw_ellipse(x, y, a, b, '@')
def do_box(self, thin=False):
if thin:
self.cv.draw_thin_box(0, 0, self.cv.get_width(), self.cv.get_height())
else:
self.cv.draw_box(0, 0, self.cv.get_width(), self.cv.get_height(), '#')
if __name__ == "__main__":
cv = Canvas()
dp = Display(cv)
ev = Event()
draw = Drawing(cv)
while True:
cv.clear()
draw.do_menu()
dp.refresh()
if dp.get_event(caca.EVENT_KEY_PRESS, ev, 0):
ch = ev.get_key_ch()
cv.clear()
if ch == ord('q'):
sys.exit()
elif ch == ord('1'):
draw.do_line()
dp.refresh()
time.sleep(2)
elif ch == ord('2'):
draw.do_line(thin=True)
dp.refresh()
time.sleep(2)
elif ch == ord('3'):
draw.do_polyline()
dp.refresh()
time.sleep(2)
elif ch == ord('4'):
draw.do_polyline(thin=True)
dp.refresh()
time.sleep(2)
elif ch == ord('5'):
draw.do_circle()
dp.refresh()
time.sleep(2)
elif ch == ord('6'):
draw.do_ellipse()
dp.refresh()
time.sleep(2)
elif ch == ord('7'):
draw.do_ellipse(thin=True)
dp.refresh()
time.sleep(2)
elif ch == ord('8'):
draw.do_box()
dp.refresh()
time.sleep(2)
elif ch == ord('9'):
draw.do_box(thin=True)
dp.refresh()
time.sleep(2)
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