from tkinter import *
from tkinter.colorchooser import askcolor
class Paint(object):
DEFAULT_PEN_SIZE = 5.0
DEFAULT_COLOR = 'black'
def __init__(self):
self.root = Tk()
self.root.title("PaintPy")
# ------------TOP UI------------
self.menubar = Menu(self.root)
self.fileMenu = Menu(self.root, tearoff=0)
self.editMenu = Menu(self.root, tearoff=0)
self.viewMenu = Menu(self.root, tearoff=0)
# Creating the TOP file menu
self.menubar.add_cascade(label="File", menu=self.fileMenu)
# Dropdown Menu for file menu
self.fileMenu.add_command(label="Open")
self.fileMenu.add_command(label="Save")
self.fileMenu.add_separator()
self.fileMenu.add_command(label="Exit", command=self.quitApp)
# Creating EDIT tab in menubar
self.menubar.add_cascade(label="Edit", menu=self.editMenu)
self.editMenu.add_command(label="Undo")
self.editMenu.add_command(label="Clear Canvas", command=self.deleteAll)
# Creating the View tab in the menubar, next to file
self.menubar.add_cascade(label="View", menu=self.viewMenu)
self.viewMenu.add_command(label="Fullscreen", command=self.fullscreen)
self.viewMenu.add_command(label="Hide UI", command=self.hideUI)
self.viewMenu.add_separator()
self.viewMenu.add_command(label="About", command=self.aboutPage)
# ------------main UI------------
self.penButton = Button(self.root, text='pen', command=self.usePen)
self.penButton.grid(row=0, column=0)
self.shapeButton = Button(
self.root, text='Shape', command=self.changeShape)
self.shapeButton.grid(row=0, column=1)
self.colorButton = Button(
self.root, text='color', command=self.chooseColor)
self.colorButton.grid(row=0, column=2)
self.eraserButton = Button(
self.root, text='eraser', command=self.useEraser)
self.eraserButton.grid(row=0, column=3)
self.sizeSlider = Scale(
self.root, from_=1, to=10, orient=HORIZONTAL)
self.sizeSlider.grid(row=0, column=4)
# Sets resolution of the window, color of the canvas
self.background = Canvas(self.root, bg='white', width=950, height=700,)
self.background.grid(row=1, columnspan=5)
# configures and dsiplays the menu bar (file/View)
self.root.config(menu=self.menubar)
self.setup()
self.root.mainloop()
def setup(self):
self.oldX = None
self.oldY = None
self.lineWidth = self.sizeSlider.get()
self.color = self.DEFAULT_COLOR
self.eraserOn = False
self.activeButton = self.penButton
# Sets mouse click one to paint on the canvas
# TODO if shape is selected, draw shape instead
self.background.bind('<B1-Motion>', self.paint)
# Stops the mouse from drawing on M1 release
self.background.bind('<ButtonRelease-1>', self.reset)
# Hides the top ui from the user
def hideUI(self):
self.penButton.grid_remove()
self.shapeButton.grid_remove()
self.colorButton.grid_remove()
self.eraserButton.grid_remove()
self.sizeSlider.grid_remove()
# TODO implement this into menu bar
def restoreUI(self):
self.penButton.grid()
self.shapeButton.grid()
self.colorButton.grid()
self.eraserButton.grid()
self.sizeSlider.grid()
def usePen(self):
self.activateButton(self.penButton)
def changeShape(self):
self.activateButton(self.shapeButton)
self.top = Toplevel()
self.shapeMenu = Menu(self.top)
self.top.title("Shape Selection")
self.msg = Message(self.top, text="sample text")
self.msg.pack()
def aboutPage(self):
self.about = Toplevel(master=None, padx=10, pady=10)
self.about.title("About PaintPy")
self.msg = Message(
self.about, text="Created by Jonathan Szkup using Python")
self.msg.pack()
def chooseColor(self):
self.eraserOn = False
self.color = askcolor(color=self.color)[1]
def useEraser(self):
# Eraser sets color of the brush to white
self.activateButton(self.eraserButton, eraserMode=True)
def activateButton(self, someButton, eraserMode=False):
# On button click the button will sink
# if selectable will stay sunken
self.activeButton.config(relief=RAISED)
someButton.config(relief=SUNKEN)
self.activeButton = someButton
self.eraserOn = eraserMode
def fullscreen(self):
# TODO scale the whole drawing window to resolution (Canvas())
self.root.attributes("-fullscreen", True)
# menu.entryconfigure(1, label="Exit Fullscreen")
# TODO if already in fullscreen have the text change to exit fullscreen, and leave fullscreen
def paint(self, event):
# Gets the size of the stroke
self.lineWidth = self.sizeSlider.get()
# Sets the eraser to be the color "white"
paintColor = 'white' if self.eraserOn else self.color
# Painting based on position of the mouse relative to the canvas
if self.oldX and self.oldY:
self.background.create_line(self.oldX, self.oldY, event.x, event.y,
width=self.lineWidth, fill=paintColor,
capstyle=ROUND, smooth=TRUE,
splinesteps=36)
self.oldX = event.x
self.oldY = event.y
# stops drawing
def reset(self, event):
self.oldX, self.oldY = None, None
# Deletes everything on the canvas
def deleteAll(self):
self.background.delete("all")
# Closes PaintPy
def quitApp(self):
self.root.quit()
if __name__ == '__main__':
Paint()
