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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# frames canvas frame switching features
# Copyright (c) 2010 Alex Foulon <alxf@lavabit.com>
#
# This file is a Python port of "examples/frames.c"
# which is:
# Copyright (c) 2006-2010 Sam Hocevar <sam@hocevar.net>
# All Rights Reserverd
#
# 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.
#
import sys
import caca
from caca.canvas import Canvas, CanvasError
from caca.display import Display, DisplayError, Event
def main():
""" Main function. """
try:
cv = Canvas(0, 0)
except CanvasError as err:
sys.stderr.write("%s\n" % err)
sys.exit(2)
for idx in range(1, 200):
cv.create_frame(idx)
sys.stderr.write("canvas created, size is %dx%d\n" \
% (cv.get_width(), cv.get_height()))
cv.set_size(150, 80)
sys.stderr.write("canvas expanded, size is %dx%d\n" \
% (cv.get_width(), cv.get_height()))
for idx in range(0, 16):
cv.set_frame(idx)
cv.set_color_ansi(caca.COLOR_WHITE, idx)
cv.fill_box(0, 0, 40, 15, ':')
cv.set_color_ansi(caca.COLOR_WHITE, caca.COLOR_BLUE)
cv.put_str((idx * 5) // 2, idx, "カカ")
cv.set_color_ansi(caca.COLOR_DEFAULT, caca.COLOR_TRANSPARENT)
cv.set_size(41, 16)
sys.stderr.write("canvas shrinked, size is %dx%d\n" \
% (cv.get_width(), cv.get_height()))
try:
dp = Display(cv)
except DisplayError as err:
sys.stderr.write("%s\n" % err)
sys.exit(2)
dp.set_time(50000)
sys.stderr.write("display attached, size is %dx%d\n" \
% (cv.get_width(), cv.get_height()))
n = 0
while not dp.get_event(caca.EVENT_KEY_PRESS, Event(), 0):
cv.set_frame(n % 16)
dp.refresh()
n += 1
if __name__ == "__main__":
main()
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