def loadButtonAction():
"""Callback function for the Load button"""
nonlocal currentFile
filename = chooseInputFile()
currentFile = filename
if filename != "":
img = GImage(filename)
width = len(img.getPixelArray())
height = len(img.getPixelArray()[0])
max_dim = max(width, height)
sf = 750 / max_dim
if max_dim > 750:
img.scale(sf)
setImage(img)
clearMessage()
def greenScreen(image):
array = image.getPixelArray()
height = len(array)
width = len(array[0])
filename = chooseInputFile()
if filename != "":
newImage = GImage(filename)
newarray = newImage.getPixelArray()
for i in range(height):
for j in range(width):
if isntGreen(newarray[i][j]):
array[i][j] = newarray[i][j]
return GImage(array)
def greenScreen(image):
"""Creates a new GImage from the original one by replacing pixels in the
original one with pixels in another chosen picture when the pixel of
the chosen picture is not green."""
array = image.getPixelArray()
new_filename = chooseInputFile()
new_image = GImage(new_filename)
new_array = new_image.getPixelArray()
for i in range(min(len(array), len(new_array))):
for j in range(min(len(array[0]), len(new_array[0]))):
if not (bin(new_array[i][j])[18:26] > 2 * max(
bin(new_array[i][j])[10:18],
bin(new_array[i][j])[26:34])):
array[i][j] = new_array[i][j]
return GImage(array)
