1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
#!/usr/bin/env python
"""demonstrate pycairo and pygame
method1: use an intermediate Python array object
"""
import array
import math
import sys
import cairo
import pygame
def draw(surface):
x,y, radius = (250,250, 200)
ctx = cairo.Context(surface)
ctx.set_line_width(15)
ctx.arc(x, y, radius, 0, 2.0 * math.pi)
ctx.set_source_rgb(0.8, 0.8, 0.8)
ctx.fill_preserve()
ctx.set_source_rgb(1, 1, 1)
ctx.stroke()
def input(events):
for event in events:
if event.type == pygame.QUIT:
sys.exit(0)
else:
print event
Width, Height = 512, 512
data = array.array('c', chr(0) * Width * Height * 4)
stride = Width * 4
surface = cairo.ImageSurface.create_for_data(data, cairo.FORMAT_ARGB32,Width, Height, stride)
pygame.init()
window = pygame.display.set_mode( (Width,Height) )
screen = pygame.display.get_surface()
draw(surface)
#Create PyGame surface from Cairo Surface
image = pygame.image.frombuffer(data.tostring(),(Width,Height),"ARGB",)
#Tranfer to Screen
screen.blit(image, (0,0))
pygame.display.flip()
while True:
input(pygame.event.get())
|
