def convertFile(self):
try:
if self._pictureThere:
# Converts the argument image to black and white
from images import Image
image = Image(self._textField.getText())
blackPixel = (0, 0, 0)
whitePixel = (255, 255, 255)
for y in range(image.getHeight()):
for x in range(image.getWidth()):
(r, g, b) = image.getPixel(x, y)
average = (r + g + b) / 3
if average < 128:
image.setPixel(x, y, blackPixel)
else:
image.setPixel(x, y, whitePixel)
image.draw()
else:
print("uhhhhhhhh no image there")
except Exception:
self.messageBox(
title="ERROR",
message=
"THERE IS NO FILE INPUTTED. \n PLEASE ENTER A FILE NAME.")
def enlarge(image, factor):
"""Builds and returns a copy of the image which is larger
by the factor."""
oldWidth = image.getWidth()
oldHeight = image.getHeight()
new = Image(oldWidth * factor, oldHeight * factor)
oldY = 0
newY = 0
while oldY < oldHeight:
for countY in range(factor):
oldLeft = 0
oldRight = oldWidth - 1
newLeft = 0
newRight = new.getWidth() - 1
while oldLeft < oldRight:
leftPixel = image.getPixel(oldLeft, oldY)
rightPixel = image.getPixel(oldRight, oldY)
for count in range(factor):
new.setPixel(newLeft, newY, leftPixel)
new.setPixel(newRight, newY, rightPixel)
newLeft += 1
newRight -= 1
oldLeft += 1
oldRight -= 1
newY += 1
oldY += 1
return new
def showPicInfo(self):
from images import Image
image = Image(self._textField.getText())
w = image.getWidth()
h = image.getHeight()
print(self._textField.getText())
print("The width is ", w)
print("The height is ", h)
def blackandWhite(Image):
blackPixel = (0, 0, 0)
whitePixel = (255, 255, 255)
#
for y in range(Image.getHeight()):
for x in range(Image.getWidth()):
(r, g, b) = Image.getPixel(x, y)
average = (r + g + b) // 3
#
if average < 128:
Image.setPixel(x, y, blackPixel)
else:
Image.setPixel(x, y, whitePixel)
def sepia():
picture = Image("smokey.gif")
for y in range(picture.getHeight()):
for x in range(picture.getWidth()):
(red,green,blue) = picture.getPixel(x, y)
if red < 63:
red = int(red * 1.1)
blue = int(blue * 0.9)
elif red < 192
red = int(red * 1.15)
blue = int(blue * 0.85)
else:
red = min(int(red * 1.08), 255)
blue = int(blue * 0.93)
picture.setPixel(x,y,(red,green,blue))
def sepia():
picture = Image("smokey.gif")
for y in range(picture.getHeight()):
for x in range(picture.getWidth()):
(r, g, b) = picture.getPixel(x, y)
newR = (0.393 * r + 0.769 * g + 0.189 * b)
newG = (0.349 * r + 0.686 * g + 0.168 * b)
newB = (0.272 * r + 0.534 * g + 0.131 * b)
if newR > 255: newR = 255
if newG > 255: newG = 255
if newB > 255: newB = 255
picture.setPixel(x, y, (newR, newG, newB))
picture.draw()
from images import Image
image = Image("smokey.gif")
image.draw()
print(image.getWidth())
print(image.getHeight())
print(image)
print(image.getPixel(0, 0))
image = Image(150, 150)
image.draw()
blue = (0, 0, 255)
y = image.getHeight() // 2
for x in range(image.getWidth()):
image.setPixel(x, y - 1, blue)
image.setPixel(x, y, blue)
image.setPixel(x, y + 1, blue)
image.draw()
image.save("horizontal.gif")
