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CanvasDraw02.py
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CanvasDraw02.py
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import canvas
import random
from math import pi
w = h = 500
canvas.set_size(w, h)
canvas.set_fill_color(0.4, 0, 0)
canvas.fill_ellipse(0, 0, w, h)
canvas.set_fill_color(0.8, 0, 0)
canvas.fill_ellipse(20, 20, w-40, h-40)
#gradient circles
r = 1.0
x = 50
y = 50
width = 400
height = 400
#canvas.translate(50, 50)
for i in range(30):
canvas.set_fill_color(r, 0.0, 0.0, 0.5)
canvas.fill_ellipse(x, y, width, height)
r -= 0.03
x += 5
y += 5
width -= 10
height -= 10
#random dots
canvas.begin_updates()
for i in range(12):
canvas.save_gstate()
canvas.translate(250,250)
canvas.rotate(-2 * pi / 12.0 * i)
for j in range(0, 20):
randomIntX = random.randrange(0, 40)
randomIntY = random.randrange(0, 40)
randomColor = random.random()
x = randomIntX
y = randomIntY
canvas.set_fill_color(randomColor, randomColor, randomColor, 0.2)
canvas.fill_ellipse(x, y, 4, 4)
canvas.restore_gstate()
canvas.end_updates()
#overlaping rectangles in circle
for i in range(12):
canvas.save_gstate()
canvas.set_fill_color(0.4, 0.4, 0.8, 0.1)
canvas.translate(250,250)
canvas.rotate(-2 * pi / 12.0 * i)
canvas.fill_rect(0, 0, 40, 40)
canvas.restore_gstate()
#fanning-out
canvas.set_stroke_color(0.3, 0.3, 0.3, 0.6)
originX = w/2
originY = h/2
for i in range(1, 500, 5):
x1 = originX
y1 = originY
x2 = i
y2 = 0
canvas.draw_line(x1, y1, x2, y2)
for i in range(1, 500, 5):
x1 = originX
y1 = originY
x2 = i
y2 = canvas.get_size()[0]
canvas.draw_line(x1, y1, x2, y2)
#crossing lines of circles
canvas.set_fill_color(0.2, 0.3, 0.2, 0.5)
for i in range(40, 460, 20):
x = i + 5
y = originY - 5
canvas.fill_ellipse(x, y, 10, 10)
for i in range(40, 460, 20):
x = originX - 5
y = i + 5
canvas.fill_ellipse(x, y, 10, 10)
#small diamonds in circle
for i in range(12):
canvas.save_gstate()
canvas.set_fill_color(0.4, 0.4, 0.8, 0.4)
canvas.translate(250,250)
canvas.rotate(-2 * pi / 12.0 * i)
canvas.fill_rect(110, 110, 20, 20)
canvas.restore_gstate()
for i in range(12):
canvas.save_gstate()
canvas.set_fill_color(0.4, 0.4, 0.8, 0.4)
canvas.translate(250,250)
canvas.rotate(-2 * pi / 12.0 * i)
canvas.fill_rect(115, 115, 10, 10)
canvas.restore_gstate()
#outer ovals
width = 35
height = 15
for i in range(12):
canvas.save_gstate()
canvas.translate(250, 250)
canvas.rotate(-2 * pi / 12.0 * i)
canvas.set_fill_color(0.2, 0.4, 0.3)
canvas.fill_ellipse(-width/2, 232, width, height)
canvas.restore_gstate()
width = 30
height = 10
for i in range(12):
canvas.save_gstate()
canvas.translate(250, 250)
canvas.rotate(-2 * pi / 12.0 * i)
canvas.set_fill_color(0.1, 0.2, 0.2)
canvas.fill_ellipse(-width/2, 234, width, height)
canvas.restore_gstate()