from image import *
def isGreen(greenPixel):
if greenPixel.getGreen() > greenPixel.getRed() + greenPixel.getBlue():
return True
return False
# 第一张图片应该是背景绿色的（参考拍电影抠图像，都是绿色背景），且两张图片大小一样
green_image = FileImage('ninja.gif')
background_image = FileImage('mtn.gif')
image_window = ImageWin( green_image.width * 2, green_image.height * 2)
green_image.draw(image_window)
background_image.setPosition(green_image.width + 1, 0)
background_image.draw(image_window)
combined_image = EmptyImage(green_image.width, green_image.height)
combined_image.setPosition(0, green_image.height+1)
combined_image.draw(image_window)
combined_image.setDelay(1,200)
for row in range(green_image.height):
for col in range(green_image.width):
if isGreen(green_image.getPixel(col, row)):
new_pixel = background_image.getPixel(col, row)
combined_image.setPixel(col, row, new_pixel)
else:
new_pixel = green_image.getPixel(col, row)
combined_image.setPixel(col, row, new_pixel)
combined_image.draw(image_window)
image_window.exitOnClick()
