尽管我同意David的观点,但您应该使用GIMP或其他图像处理程序,但这里有一个脚本(正如我将它作为练习读者),使用pygame来做你想做的事。您将需要安装pygame的还有PIL,用法是:
scriptname.py <input_path> <output_path>
实际脚本:
import pygame, sys
from PIL import Image
pygame.init()
def displayImage(screen, px, topleft):
screen.blit(px, px.get_rect())
if topleft:
pygame.draw.rect(screen, (128,128,128), pygame.Rect(topleft[0], topleft[1], pygame.mouse.get_pos()[0] - topleft[0], pygame.mouse.get_pos()[1] - topleft[1]))
pygame.display.flip()
def setup(path):
px = pygame.image.load(path)
screen = pygame.display.set_mode(px.get_rect()[2:])
screen.blit(px, px.get_rect())
pygame.display.flip()
return screen, px
def mainLoop(screen, px):
topleft = None
bottomright = None
runProgram = True
while runProgram:
for event in pygame.event.get():
if event.type == pygame.QUIT:
runProgram = False
elif event.type == pygame.MOUSEBUTTONUP:
if not topleft:
topleft = event.pos
else:
bottomright = event.pos
runProgram = False
displayImage(screen, px, topleft)
return (topleft + bottomright)
if __name__ == "__main__":
screen, px = setup(sys.argv[1])
left, upper, right, lower = mainLoop(screen, px)
im = Image.open(sys.argv[1])
im = im.crop((left, upper, right, lower))
im.save(sys.argv[2])
希望这有助于:)
你没有说你想要做什么与感兴趣的地区。你只是想将它保存为磁盘作为图像?或者你想要进一步处理区域的坐标? – 2009-03-02 11:35:14