Chapter 10, Problem 13PE

Program Plan Intro

Face

Program Plan:

face.py

• Import the required packages.
• Definition of main “init” method.
  • Assign the size value, eye size, eye off, mouth size, mouth off, window value to the corresponding variables.
• Definition of “getCenter” method.
  • Return the center value.
• Definition of “move” method.
  • Call the method “undrawn()”.
  • Call the method getCenter().
  • Get the position of “x” and “y”.
  • Get the center position.
  • Check the condition for the face to smile.
    • Call the method “smile()”.
      • Check the condition for the face to wink.
        • Call the method “wink()”.
      • Check the condition for the face to Grim Face.
        • Call the method “GrimFace()”.
        • Call the method “mediate()”.
• Definition “initializeGrimFace” method.
  • Create a circle.
  • Call the function to open the left eye and right eye.
  • Create an array for teeth.
  • Call the method to draw the mouth.
  • Call the method to draw the face.
• Definition of method “lineMouth()”.
  • Call the method “clone()”.
  • Condition to set the mouth.
  • Call the method “clone()”.
  • Call the method “Line()”.
  • Return the line.
• Definition of method “rectMouth()”
  • Get the position to place the mouth.
  • Return the position.
• Definition of method “undrawn()”.
  • Remove the head, left eye, right eye, teeth and mouth.
• Definition of method “drawFace()”.
  • Draw the circle to place the outline of the face.
  • Set the head to the window.
  • Set the left eye to the window.
  • Set the left eye to the window.
  • Set the mouth to the window.
• Definition of “leftEyeOpen()”.
  • Set the left eye to the circle.
  • Condition to open and close the left eyes.
• Definition of “rightEyeOpen()”.
  • Set the right eye to the circle.
  • Condition to open and close the right eyes.
• Definition of “leftEyeWink()” method.
  • Place the position of the left eye.
  • Get the values of “x” and “y”.
  • Condition to get the “leftWink”.
  • Set the value to “leftWink”.
• Definition of “rightEyeWink()” method.
  • Place the position of the right eye.
  • Get the values of “x” and “y”.
  • Condition to get the “rightWink”.
  • Set the value to “rightWink”.
• Definition of “wink()”.
  • Call the method “unDraw()”.
  • Call the method “lineMouth()”, leftEyeOpen(), “rightEyeWink()”, “drawFace()”.
• Definition of “smile()” method.
  • Call the method “unDraw()”.
  • Call the method “rectMouth()”.
  • Get the “xint” value.
  • Condition to append the mouth.
  • Traverse the loop till “i” reaches “8”.
    • Call the method “Line()” to get the two points.
    • Condition to append the teeth.
    • Check the condition to place the teeth.
    • Draw the tooth for the face.
    • Call the method “rectMouth()”., “leftEyeOpen()”, “rightEyeOpen()”, “drawFace()”.
      • Definition of “mediate()” method.
        • Call the respective method to un draw the face, draw mouth, right and left eye and face

Main.py:

• Import the required packages.
• Definition of method “makeButtons()”.
  • Create a button “wink()”.
  • Create a button “mediate()”.
  • Create a button “Smile()”.
  • Crate a button “Quit”.
  • Activate all the buttons.
  • Return the values.
• Definition of method “main()”.
  • Creating the interface.
  • Call the method “getMouse()”.
  • Check whether the “endGame” is clicked or not.
    • Check whether the “wink” is clicked.
      • Call the method “wink”.
      • Call the method “getMouse()”.
    • Check whether the “smile” is clicked.
      • Call the method “smile()”.
      • Call the method “getMouse()”.
    • Check whether the “mediate” is clicked.
      • Call the method “mediate()”.
      • Call the method “getMouse()”.
        • Close the window.
        • Call the method “main()”.

Explanation of Solution

Program:

face.py

#Import required packages

from graphics import *

#Definition of class Face

class Face:

    #Definition of init method

    def __init__(self, window, center, size):

        #Assign the size value

        self.size = size

        #Calculate the eye size

        self.eyeSize = 0.15 * size

        #Condition to close the eye

        self.eyeOff = size / 3.0

        #Condition of mouth size

        self.mouthSize = 0.8 * size

        #Condition to close the mouth

        self.mouthOff = size / 2.0

        #Set the interface to centre

        self.center = center

        #Assign the window value

        self.window = window

        #Call the method initializeGrimFace

        self.initializeGrimFace()

        #Assign the rightEye

        self.rightEye

    #Definition of getCenter method

    def getCenter(self):

        #Return the centre value

        return self.center

    #Definition of method move

    def move(self, dx, dy):

        #Call the method undraw

        self.unDraw()

        #Call the method getCenter

        center = self.getCenter()

        #Get the position of x and y

        x = center.getX()

        y = center.getY()

        #Get the centre position

        self.center = Point(x + dx, y + dy)

        #Check the condition for the face to simile

        if dx < 0 and dy < 0:

            #Call the smile method

            self.smile()

            #Check the condition for the face to wink

        elif dx < 0 and dy > 1:

            #Call the method wink

            self.wink()

        #Check the condition for GrimFace

        elif dx > 0 and dy > 0:

            #Call the method initializeGrimFace()

            self.initializeGrimFace()

          #Otherwise, call the method mediate()

        else:

            self.meditate()

#Definition of method initializeGrimFace

    def initializeGrimFace(self):

        #Create a circle

        self.head = Circle(self.center, self.size)

        #Call the function to open the left eye

        self.leftEyeOpen()

        #Call the function to open the right eye

        self.rightEyeOpen()

        #Create an array for teeth

        self.teeth = []

        #Call the method to draw the mouth

        self.lineMouth()

        #Call the method to draw the face

        self.drawFace()

#Definition of method lineMouth

    def lineMouth(self):

        #Call the method clone()

        p1 = self.center.clone()

        #Condition to set the mouth

        p1.move(-self.mouthSize/2, self.mouthOff)

        #Call the method clone

        p2 = self.center.clone()

        #Condition to set the mouth

        p2.move(self.mouthSize/2, self.mouthOff)

        #Call the method Line()

        self.mouth = Line(p1, p2)

        #Return the line

        return Line(p1, p2)

    #Definition of method rectMouth()

    def rectMouth(self):

        #Get the position to place the mouth

        p1, p2 = self.mouth.getP1(), self.mouth.getP2()

        x1, x2, y1, y2 = p1.getX(), p2.getX(), p1.getY(), p2.getY()

        offset = self.eyeSize / 2

        self.mouth = Rectangle(Point(x1, y1 - offset), Point(x2, y2 + offset))

        #Return the position

        return x2, x1, y1, y2, offset

    #Definition of method unDraw()

    def unDraw(self):

        #Remove the head, left eye, right eye, teeth and mouth

        self.head.undraw()

        self.leftEye.undraw()

        self.rightEye.undraw()

        self.mouth.undraw()

        for tooth in self.teeth:

            tooth.undraw()

#Definition of method drawFace()

    def drawFace(self):

        #Draw the circle to place the outline of the face

        self.head = Circle(self.center, self.size)

        #Set the head to the window

        self.head.draw(self.window)

        #Set the left eye to the window

        self.leftEye.draw(self.window)

        #Set the right eye to the window

        self.rightEye.draw(self.window)

        #Set the mouth to the window

        self.mouth.draw(self.window)

    #Definition of leftEyeOpen()

    def leftEyeOpen(self):

        #Set the left eye to the circle

        self.leftEye = Circle(self.center, self.eyeSize)

        #condition to open and close the left eyes

        self.leftEye.move(-self.eyeOff, -self.eyeOff)

   #Definition of rightEyeOpen()

    def rightEyeOpen(self):

           #Set the right eye to the circle

        self.rightEye = Circle(self.center, self.eyeSize)

        #Condition to open and close the right eyes

        self.rightEye.move(self.eyeOff, -self.eyeOff)

     #Definition of leftEyeWink()

    def leftEyeWink(self):

        #Place the position of the left eye

        center = self.leftEye.getCenter()

        #Get the x and y value

        x = center.getX()

        y = center.getY()

        #Condition to get the leftWink

        leftWink = Line(Point(x - self.eyeSize, y), Point(x + self.eyeSize, y))

        #Set the value leftWink

        self.leftEye = leftWink

     #Definition of rightEyeWink()

    def rightEyeWink(self):

        #Place the position of the right eye

        center = self.rightEye.getCenter()

         #Get the x and y value

        x = center.getX()

        y = center.getY()

        #Condition to get the rightWink

        rightWink = Line(Point(x - self.eyeSize, y), Point(x + self.eyeSize, y))

      #Set the value rightEye

        self.rightEye = rightWink

    #Definition of wink()

    def wink(self):

        #Call the method unDraw()

        self.unDraw()

#Call the method lineMouth(), leftEyeOpen(), rightEyeWink(), drawFace()

        self.lineMouth()

        self.leftEyeOpen()

        self.rightEyeWink()

        self.drawFace()

    #Definition of method smile()

    def smile(self):

        #Call the method unDraw()

        self.unDraw()

        #Call the method rectMouth()

        x2, x1, y1, y2, offset = self.rectMouth()

        #Get xint value

        xint = abs(x2 - x1) / 8

        #Condition to append the mouth

        self.teeth.append(self.lineMouth())

        #Traverse the loop till i reaches 8

        for i in range (8):

                #Call the method Line() to get the two points

                t2 = Line(Point(x1 + i * xint, y1 - offset), Point((x1 + i * xint), y2 + offset))

                #Condition to append the teeth

                self.teeth.append(t2)

                #Check the condition to place the teeth

        for tooth in self.teeth:

            #Draw the tooth for the face

            tooth.draw(self.window)

            #Call the method reactMouth(), leftEyeOpen(), rightEyeOpen(), drawFace()

        self.rectMouth()

        self.leftEyeOpen()

        self.rightEyeOpen()

        self.drawFace()

    #Definition of method mediate()

    def meditate(self):

        #Call the respective method to undraw the face, draw mouth, right and left eye and face

        self.unDraw()

        self.lineMouth()

        self.leftEyeWink()

        self.rightEyeWink()

        self.drawFace()

Cbutton.py:

Refer the program “button.py” given in the “Chapter 10” from the text book. Add the method “update()” along with the given code.

#Define the method update

    def update(self, win, label):

        #Call the method undraw()

        self.label.undraw()

        #Assign the position to centre

        center = self.center

        #Assign the label

        self.label = Text(center, label)

        #Set active to false

        self.active = False

        #Call the method draw()

        self.label.draw(win)

Main.py

#Import the required packages

from face import Face

from graphics import *

from cbutton import CButton

#Definition of method makeButton(0

def makeButtons(win):

    #Create a button Wink

    wink = CButton(win, Point(16, 17), 1, "Wink")

     #Create a button Meditate

    meditate = CButton(win, Point(12, 17), 1, "Meditate")

     #Create a button Smile

    smile = CButton(win, Point(8, 17), 1, "Smile")

     #Create a button Quit

    endGame = CButton(win, Point(4, 17), 1, "Quit")

    #Activate all the buttons

    wink.activate()

    meditate.activate()

    smile.activate()

    endGame.activate()

    #Return the values

    return wink, meditate, smile, endGame

    #Definition of method main()

def main():

    #Creating the interface

    win = GraphWin("Emoji Jawn", 600, 600)

    win.setCoords(20, 20, 0, 0)

    face = Face(win, Point(10,8), 7)

    wink, meditate, smile, endGame = makeButtons(win)

    #Call the method getMouse()

    pt = win.getMouse()

    #Check whether the endGame is clicked or not

    while not endGame.clicked(pt):

        #Check whther the Wink is clicked

        if wink.clicked(pt):

            #Call the method wink()

            face.wink()

            #Call the method getMouse()

            pt = win.getMouse()

            #Check whether the smile is clicked

        elif smile.clicked(pt):

            #Call the method smile()

            face.smile()

            #Call the getMouse() method

            pt = win.getMouse()

             #Check whether the meditate is clicked

        elif meditate.clicked(pt):

              #Call the method meditate()

            face.meditate()

             #Call the getMouse() method

            pt = win.getMouse()

        #Otherwise

        else:

            #Call the getMouse() method

            pt = win.getMouse()

    #close up shop

    win.close()

#Call the method main()

main()

Sample Output

Output:

Screenshot of output

Clicking Wink button:

Screenshot of output

Clicking Mediate button:

Screenshot of output

Clicking Smile button:

Screenshot of output