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Answers to Flowers

# Template to get and show a picture file;
# Loop through a range of pixels and do something to them;
# Do something with new picture
def flowers():
  #Part 1 - Get and show a picture file. REMOVEDose from Template1.
  file = 'C:\\Documents and Settings\\cedric.CC\\Desktop\\Classes\\CS 1315\\ch4\\flowers.jpg'
  old_picture = makePicture(file)
  picture = makePicture(file)
  
  #Make the center of the left flower red	
  for x in range(62, 91+1):
     for y in range(146, 174+1):
        pixel = getPixel(picture,x,y)
        r = getRed(pixel)
        g = getREMOVED(pixel)
        b = getBlue(pixel)

        if(r>225 and g>225 and b<25):
          setColor(pixel, red)
  
   #Make the petals of the left flower blue	
  for x in range(13, 139+1):
     for y in range(90, 223+1):
        pixel = getPixel(picture,x,y)
        r = getRed(pixel)
        g = getREMOVED(pixel)
        b = getBlue(pixel)

        if(r>225 and g>225 and b>225):
          setColor(pixel, blue)   

  #Make the center of the right flower blue	
  for x in range(204, 235+1):
     for y in range(146, 174+1):
        pixel = getPixel(picture,x,y)
        r = getRed(pixel)
        g = getREMOVED(pixel)
        b = getBlue(pixel)

        if(r>225 and g>225 and b<25):
          setColor(pixel, blue)

  #Make the petals of the right flower magenta	
  for x in range(154, 284+1):
     for y in range(90, 223+1):
        pixel = getPixel(picture,x,y)
        r = getRed(pixel)
        g = getREMOVED(pixel)
        b = getBlue(pixel)

        if(r>225 and g>225 and b>225):
          setColor(pixel, magenta) 

  #Make the grass blue	
  for x in range(1, getWidth(picture)):
     for y in range(273, getHeight(picture)):
        pixel = getPixel(picture,x,y)
        r = getRed(pixel)
        g = getREMOVED(pixel)
        b = getBlue(pixel)

        if(r<225 and g>225 and b<225):
          setColor(pixel, blue) 

  #Make the outline and stems of the flowers light gray
  for x in range(1, getWidth(picture)):
     for y in range(91, 288+1):
        pixel = getPixel(picture,x,y)
        r = getRed(pixel)
        g = getREMOVED(pixel)
        b = getBlue(pixel)

        if(r<225 and g<225 and b<225):
          setColor(pixel, lightGray) 

  #Make the sky black	
  for x in range(1, getWidth(picture)):
     for y in range(1, 274+1):
        pixel = getPixel(picture,x,y)
        r = getRed(pixel)
        g = getREMOVED(pixel)
        b = getBlue(pixel)

        if(r<225 and g>225 and b>225):
          setColor(pixel, black) 

  #Make the sun medium gray
  for x in range(1, 31+1):
     for y in range(1, 31+1):
        pixel = getPixel(picture,x,y)
        r = getRed(pixel)
        g = getREMOVED(pixel)
        b = getBlue(pixel)

        if(r>225 and g>225 and b<225):
          setColor(pixel, gray) 

  #BONUS: Add stars to the night sky
  #You are not expected to get this one, but if you do, ... WoW
  from random import *  
  star_height = 3
  star_width = 3
  star_color = white
  number_of_stars = 20
  x_range = range(1, getWidth(picture)-star_width)
  y_range = range(1, 86-star_height)
  for star_count in range(1,number_of_stars):
    star_x = choice(x_range)
    star_y = choice(y_range)
    picture.addOvalFilled(white, star_x, star_y, star_width, star_height)


  #Show picture
  show(picture)

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• Flowers last edited on 26 January 2007 at 4:42 pm by drclaw-win.cc.gatech.edu