from ezgraphics import GraphicsImage, GraphicsWindow
GAP = 10
NUM_PICTURES = 20
MAX_WIDTH = 720
win = GraphicsWindow(MAX_WIDTH, 700)
canvas = win.canvas()
pic = GraphicsImage("picture1.gif")
canvas.drawImage(0, 0, pic)
x = 0
y = 0
maxY = 0
for i in range(2, NUM_PICTURES + 1) :
maxY = max(maxY, pic.height())
previous = pic
filename = "picture%d.gif" % i
pic = GraphicsImage(filename)
x = x + previous.width() + GAP
if x + pic.width() < MAX_WIDTH :
canvas.drawImage(x, y, pic)
else :
x = 0
y = y + maxY + GAP
canvas.drawImage(x, y, pic)
win.wait()
##
# This program processes a digital image by creating a negative of
# the original.
#
from ezgraphics import GraphicsImage, GraphicsWindow
filename = input("Enter the name of the image file: ")
# Load the image from the file.
image = GraphicsImage(filename)
# Process the image.
width = image.width()
height = image.height()
for row in range(height):
for col in range(width):
# Get the current pixel color.
red = image.getRed(row, col)
green = image.getGreen(row, col)
blue = image.getBlue(row, col)
# Filter the pixel.
newRed = 255 - red
newGreen = 255 - green
newBlue = 255 - blue
# Set the pixel to the new color.
image.setPixel(row, col, newRed, newGreen, newBlue)
# Display the image on screen.
# 4. Textbook R4.30, R.
# Given the flipImage.py program of Section 4.10
# change the code to flip the image horizontally instead of vertically
# This program creates a new flipped version of a GIF image.
#
from ezgraphics import GraphicsImage, GraphicsWindow
filename = "queen-mary.gif"
# Load the original image.
origImage = GraphicsImage(filename)
# Create an empty image that will contain the new flipped image.
width = origImage.width()
height = origImage.height()
newImage = GraphicsImage(width, height)
# Iterate over the image and copy the pixels to the new image to
# produce the flipped image (vertical flip to an upside down image)
newRow = height - 1
for row in range(height):
for col in range(width):
newCol = col
pixel = origImage.getPixel(row, col)
newImage.setPixel(newRow, newCol, pixel)
newRow = newRow - 1
# Save the new image with a new name.
newImage.save("flipped-" + filename)
from ezgraphics import GraphicsWindow
from ezgraphics import GraphicsImage
from math import sqrt
import os
'''
Use the os dir in order to save files at same folder
'''
__location__ = os.path.realpath(
os.path.join(os.getcwd(), os.path.dirname(__file__)))
'''
Constructors
'''
picture = GraphicsImage(os.path.join(
__location__, 'queen-mary.gif')) #Change if you want another pic
#check size
if (picture.height() > picture.width()):
WIDTH = picture.height()
HEIGHT = picture.width()
else:
HEIGHT = picture.height()
WIDTH = picture.width()
#Find middle point
HeightRow = HEIGHT // 2
WidthCol = WIDTH // 2
newimage = GraphicsImage(WIDTH, HEIGHT)
#For future use
#To do : make a square pic
'''
Main function
'''
