Repository URL to install this package:
Version:
5.2.1 ▾
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# (C) Copyright 2005-2021 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
from time import perf_counter
from kiva.agg import AffineMatrix, GraphicsContextArray
from kiva.api import MODERN, Font
gc = GraphicsContextArray((200, 200))
font = Font(family=MODERN)
# print(font.size)
font.size = 8
gc.set_font(font)
t1 = perf_counter()
# consecutive printing of text.
with gc:
gc.set_antialias(False)
gc.set_fill_color((0, 1, 0))
gc.translate_ctm(50, 50)
gc.rotate_ctm(3.1416 / 4)
gc.show_text("hello")
gc.translate_ctm(-50, -50)
gc.set_text_matrix(AffineMatrix())
gc.set_fill_color((0, 1, 1))
gc.show_text("hello")
t2 = perf_counter()
print("aliased:", t2 - t1)
gc.save("text_aliased.bmp")
gc = GraphicsContextArray((200, 200))
font = Font(family=MODERN)
# print(font.size)
font.size = 8
gc.set_font(font)
t1 = perf_counter()
with gc:
gc.set_antialias(True)
gc.set_fill_color((0, 1, 0))
gc.translate_ctm(50, 50)
gc.rotate_ctm(3.1416 / 4)
gc.show_text("hello")
gc.translate_ctm(-50, -50)
gc.set_text_matrix(AffineMatrix())
gc.set_fill_color((0, 1, 1))
gc.show_text("hello")
t2 = perf_counter()
print("antialiased:", t2 - t1)
gc.save("text_antialiased.bmp")
"""
with gc:
gc.set_fill_color((0,1,0))
gc.rotate_ctm(-45)
gc.show_text_at_point("hello")
gc.set_fill_color((0,1,1))
gc.show_text("hello")
with gc:
gc.translate_ctm(80,-3)
gc.show_text("hello")
with gc:
gc.set_fill_color((0,1,0))
gc.translate_ctm(50,50)
gc.show_text("hello")
with gc:
gc.set_fill_color((0,1,0))
gc.translate_ctm(50,50)
gc.rotate_ctm(3.1416/4)
gc.show_text("hello")
gc.set_fill_color((1,0,0))
gc.show_text("hello")
"""
gc.save("text_antiliased.bmp")