python使用PyGame绘制图像并保存为图片文件的方法_python

本文实例讲述了python使用PyGame绘制图像并保存为图片文件的方法。分享给大家供大家参考。具体实现方法如下：

''' pg_draw_circle_save101.py
draw a blue solid circle on a white background
save the drawing to an image file
for result see http://prntscr.com/156wxi
tested with Python 2.7 and PyGame 1.9.2 by vegaseat 16may2013
'''
import pygame as pg
# pygame uses (r, g, b) color tuples
white = (255, 255, 255)
blue = (0, 0, 255)
width = 300
height = 300
# create the display window
win = pg.display.set_mode((width, height))
# optional title bar caption
pg.display.set_caption("Pygame draw circle and save")
# default background is black, so make it white
win.fill(white)
# draw a blue circle
# center coordinates (x, y)
center = (width//2, height//2)
radius = min(center)
# width of 0 (default) fills the circle
# otherwise it is thickness of outline
width = 0
# draw.circle(Surface, color, pos, radius, width)
pg.draw.circle(win, blue, center, radius, width)
# now save the drawing
# can save as .bmp .tga .png or .jpg
fname = "circle_blue.png"
pg.image.save(win, fname)
print("file {} has been saved".format(fname))
# update the display window to show the drawing
pg.display.flip()
# event loop and exit conditions
# (press escape key or click window title bar x to exit)
while True:
  for event in pg.event.get():
    if event.type == pg.QUIT:
      # most reliable exit on x click
      pg.quit()
      raise SystemExit
    elif event.type == pg.KEYDOWN:
      # optional exit with escape key
      if event.key == pg.K_ESCAPE:
        pg.quit()
        raise SystemExit

希望本文所述对大家的Python程序设计有所帮助。

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