class Paint():
def __init__(self, root):
self.root = root
self.root.title("Paint Application")
self.root.geometry("900x750")
self.root.configure(background='white')
self.stack = []
self.item = None
self.old_x = None
self.old_y = None
self.old_x_arrow = None
self.old_y_arrow = None
self.width_val = self.root.winfo_screenwidth()
self.height_val = self.root.winfo_screenheight()
self.pen_color = 'black'
self.eraser_color = 'white'
self.save_color = self.pen_color
self.choice = 'Pencil'
# Adding widgets to tkinter window
self.color_frame = LabelFrame(self.root,
bd=4,
relief=RIDGE,
bg="white")
self.color_frame.grid(row=0, column=0, pady=(5, 0))
self.color_frame_tooltip = CreateToolTip(self.color_frame,
'Select Brush Color')
self.color_frame.config(cursor="hand2")
colors = [
'#800000', '#FF0000', '#FFA500', '#FFFF00', '#808000', '#800080',
'#FF00FF', '#808080', '#00FF00', '#008000', '#000080', '#0000FF',
'#00FFFF', '#008080', '#000000', '#C0C0C0'
]
i = j = 0
for color in colors:
Button(self.color_frame,
bg=color,
bd=2,
relief=RIDGE,
width=3,
command=lambda col=color: self.select_color(col)).grid(
row=i, column=j)
i += 1
if i == 8:
i = 0
j += 1
self.clear_image = PhotoImage(file='signs.png')
self.clear_button = Button(self.root,
image=self.clear_image,
command=self.clear,
width=64)
self.clear_button.grid(row=1, column=0, pady=(5, 0))
self.clear_button.config(cursor="hand2")
self.clear_button_tooltip = CreateToolTip(self.clear_button,
'Clear the Canvas')
self.eraser_image = PhotoImage(file='eraser.png')
self.eraser_button = Button(self.root,
image=self.eraser_image,
command=self.eraser,
width=64)
self.eraser_button.grid(row=2, column=0)
self.eraser_button.config(cursor="hand2")
self.eraser_button_tooltip = CreateToolTip(self.eraser_button,
'Eraser')
self.line_image = PhotoImage(file='line.png')
self.line_button = Button(self.root,
image=self.line_image,
command=self._createLine,
width=64)
self.line_button.grid(row=3, column=0)
self.line_button.config(cursor="hand2")
self.line_button_tooltip = CreateToolTip(self.line_button,
'Straight Line')
self.line_arrow_image = PhotoImage(file='arrows.png')
self.line_arrow_button = Button(self.root,
image=self.line_arrow_image,
command=self._createArrowLine,
width=64)
self.line_arrow_button.grid(row=4, column=0)
self.line_arrow_button.config(cursor="hand2")
self.line_arrow_button_tooltip = CreateToolTip(
self.line_arrow_button, 'Straight Line with Arrow')
self.rectangle_image = PhotoImage(file='rectangle.png')
self.rectangle_button = Button(self.root,
image=self.rectangle_image,
command=self._createRectangle,
width=64)
self.rectangle_button.grid(row=5, column=0)
self.rectangle_button.config(cursor="hand2")
self.rectangle_button_tooltip = CreateToolTip(self.rectangle_button,
'Rectangle and Square')
self.oval_image = PhotoImage(file='oval.png')
self.oval_button = Button(self.root,
image=self.oval_image,
command=self._createOval,
width=64)
self.oval_button.grid(row=6, column=0)
self.oval_button.config(cursor="hand2")
self.oval_button_tooltip = CreateToolTip(self.oval_button,
'Oval and Circle')
self.pencil_image = PhotoImage(file='pencil.png')
self.pencil_button = Button(self.root,
image=self.pencil_image,
command=self._pencil,
width=64)
self.pencil_button.grid(row=7, column=0)
self.pencil_button.config(cursor="hand2")
self.pencil_button_tooltip = CreateToolTip(self.pencil_button,
'Pencil')
self.undo_image = PhotoImage(file='undo.png')
self.undo_button = Button(self.root,
image=self.undo_image,
command=self.undo,
width=64)
self.undo_button.grid(row=9, column=0)
self.undo_button.config(cursor="hand2")
self.undo_button_tooltip = CreateToolTip(self.undo_button, 'Undo')
# self.redo_image = PhotoImage(file='redo.png')
# self.redo_button = Button(self.root, image=self.redo_image, command=self.redo, width=64)
# self.redo_button.grid(row=8, column=0)
# self.redo_button.config(cursor="hand2")
# Creating a Scale for pen and eraser size...
self.pen_size_scale_frame = Frame(self.root,
bd=5,
bg='lightblue',
relief=RIDGE)
self.pen_size_scale_frame.grid(row=10, column=0, pady=5)
self.pen_size = Scale(self.pen_size_scale_frame,
orient=VERTICAL,
from_=30,
to=2,
length=170)
self.pen_size_tooltip = CreateToolTip(
self.pen_size,
'Adjust the size of pen and eraser using this slider.')
self.pen_size.set(1)
self.pen_size.grid(row=0, column=1, padx=15, pady=5)
self.pen_size.config(cursor="hand2")
# Creating Canvas
self.canvas = Canvas(self.root,
bg='white',
relief=GROOVE,
height=self.height_val,
width=self.width_val,
cursor="crosshair")
self.canvas.place(x=70, y=0)
# Binding the canvas with the mouse drag
self.canvas.bind("<B1-Motion>", self.paint)
self.canvas.bind("<ButtonRelease-1>", self.reset)
self.msg = tk.Message(self.root, text=self.choice)
self.msg.grid(row=11, column=0, pady=(20, 0))
menu = Menu(self.root)
self.root.config(menu=menu)
filemenu = Menu(menu)
colormenu = Menu(menu)
menu.add_cascade(label='Colors', menu=colormenu)
colormenu.add_command(label='Brush Color', command=self.brush_color)
colormenu.add_command(label='Background Color',
command=self.canvas_color)
optionmenu = Menu(menu)
menu.add_cascade(label='Options', menu=optionmenu)
optionmenu.add_command(label='Clear Canvas', command=self.clear)
optionmenu.add_command(label='Exit', command=self.root.destroy)
menu.add_cascade(label='File', menu=filemenu)
filemenu.add_command(label='Save', command=self.save_it)
filemenu.add_command(label='Save and Exit',
command=self.save_it_destroy)
# Function definitions
def choice_disp(self):
self.msg.config(text=self.choice)
def _createRectangle(self):
self.choice = 'Rectangle/\nSquare'
self.choice_disp()
self.rectx0 = 0
self.recty0 = 0
self.rectx1 = 0
self.recty1 = 0
self.rectid = None
self.pen_color = self.save_color
self.canvas.config(cursor="fleur")
self.canvas.unbind("<Button-1>")
self.canvas.unbind("<ButtonRelease-1>")
self.canvas.unbind("<B1-Motion>")
self.canvas.bind("<Button-1>", self.startRect)
self.canvas.bind("<ButtonRelease-1>", self.stopRect)
self.canvas.bind("<B1-Motion>", self.movingRect)
def startRect(self, event):
#Translate mouse screen x0,y0 coordinates to canvas coordinates
self.rectx0 = self.canvas.canvasx(event.x)
self.recty0 = self.canvas.canvasy(event.y)
#Create rectangle
self.rectid = self.canvas.create_rectangle(self.rectx0,
self.recty0,
self.rectx0,
self.recty0,
outline=self.pen_color,
width=self.pen_size.get())
def movingRect(self, event):
#Translate mouse screen x1,y1 coordinates to canvas coordinates
self.rectx1 = self.canvas.canvasx(event.x)
self.recty1 = self.canvas.canvasy(event.y)
#Modify rectangle x1, y1 coordinates
self.canvas.coords(self.rectid, self.rectx0, self.recty0, self.rectx1,
self.recty1)
def stopRect(self, event):
#Translate mouse screen x1,y1 coordinates to canvas coordinates
self.rectx1 = self.canvas.canvasx(event.x)
self.recty1 = self.canvas.canvasy(event.y)
#Modify rectangle x1, y1 coordinates
self.canvas.coords(self.rectid, self.rectx0, self.recty0, self.rectx1,
self.recty1)
self.stack.append(self.rectid)
self.stack.append('$') # Delimeter
def _createOval(self):
self.choice = 'Oval and\nCircle'
self.choice_disp()
self.ovalx0 = 0
self.ovaly0 = 0
self.ovalx1 = 0
self.ovaly1 = 0
self.ovalid = None
self.pen_color = self.save_color
self.canvas.config(cursor="fleur")
self.canvas.unbind("<Button-1>")
self.canvas.unbind("<ButtonRelease-1>")
self.canvas.unbind("<B1-Motion>")
self.canvas.bind("<Button-1>", self.startOval)
self.canvas.bind("<ButtonRelease-1>", self.stopOval)
self.canvas.bind("<B1-Motion>", self.movingOval)
def startOval(self, event):
#Translate mouse screen x0,y0 coordinates to canvas coordinates
self.ovalx0 = self.canvas.canvasx(event.x)
self.ovaly0 = self.canvas.canvasy(event.y)
#Create rectangle
self.ovalid = self.canvas.create_oval(self.ovalx0,
self.ovaly0,
self.ovalx0,
self.ovaly0,
outline=self.pen_color,
width=self.pen_size.get())
def movingOval(self, event):
#Translate mouse screen x1,y1 coordinates to canvas coordinates
self.ovalx1 = self.canvas.canvasx(event.x)
self.ovaly1 = self.canvas.canvasy(event.y)
#Modify rectangle x1, y1 coordinates
self.canvas.coords(self.ovalid, self.ovalx0, self.ovaly0, self.ovalx1,
self.ovaly1)
def stopOval(self, event):
#Translate mouse screen x1,y1 coordinates to canvas coordinates
self.ovalx1 = self.canvas.canvasx(event.x)
self.ovaly1 = self.canvas.canvasy(event.y)
#Modify rectangle x1, y1 coordinates
self.canvas.coords(self.ovalid, self.ovalx0, self.ovaly0, self.ovalx1,
self.ovaly1)
self.stack.append(self.ovalid)
self.stack.append('$') # Delimeter
def _createLine(self):
self.choice = 'Line'
self.choice_disp()
self.linex0 = 0
self.liney0 = 0
self.linex1 = 0
self.liney1 = 0
self.lineid = None
self.pen_color = self.save_color
self.canvas.config(cursor="tcross")
self.canvas.unbind("<Button-1>")
self.canvas.unbind("<ButtonRelease-1>")
self.canvas.unbind("<B1-Motion>")
self.canvas.bind("<Button-1>", self.startLine)
self.canvas.bind("<ButtonRelease-1>", self.stopLine)
self.canvas.bind("<B1-Motion>", self.movingLine)
def startLine(self, event):
#Translate mouse screen x0,y0 coordinates to canvas coordinates
self.linex0 = self.canvas.canvasx(event.x)
self.liney0 = self.canvas.canvasy(event.y)
#Create rectangle
self.lineid = self.canvas.create_line(self.linex0,
self.liney0,
self.linex0,
self.liney0,
fill=self.pen_color,
width=self.pen_size.get(),
smooth=True,
capstyle=ROUND)
def movingLine(self, event):
#Translate mouse screen x1,y1 coordinates to canvas coordinates
self.linex1 = self.canvas.canvasx(event.x)
self.liney1 = self.canvas.canvasy(event.y)
#Modify rectangle x1, y1 coordinates
self.canvas.coords(self.lineid, self.linex0, self.liney0, self.linex1,
self.liney1)
def stopLine(self, event):
#Translate mouse screen x1,y1 coordinates to canvas coordinates
self.linex1 = self.canvas.canvasx(event.x)
self.liney1 = self.canvas.canvasy(event.y)
#Modify rectangle x1, y1 coordinates
self.canvas.coords(self.lineid, self.linex0, self.liney0, self.linex1,
self.liney1)
self.stack.append(self.lineid)
self.stack.append('$') # Delimeter
def _createArrowLine(self):
self.choice = 'Arrow Line'
self.choice_disp()
self.linex0 = 0
self.liney0 = 0
self.linex1 = 0
self.liney1 = 0
self.lineid = None
self.pen_color = self.save_color
self.canvas.config(cursor="tcross")
self.canvas.unbind("<Button-1>")
self.canvas.unbind("<ButtonRelease-1>")
self.canvas.unbind("<B1-Motion>")
self.canvas.bind("<Button-1>", self.startArrowLine)
self.canvas.bind("<ButtonRelease-1>", self.stopArrowLine)
self.canvas.bind("<B1-Motion>", self.movingArrowLine)
def startArrowLine(self, event):
#Translate mouse screen x0,y0 coordinates to canvas coordinates
self.linex0 = self.canvas.canvasx(event.x)
self.liney0 = self.canvas.canvasy(event.y)
#Create rectangle
self.lineid = self.canvas.create_line(self.linex0,
self.liney0,
self.linex0,
self.liney0,
fill=self.pen_color,
arrow="last",
arrowshape=(10, 10, 5),
width=self.pen_size.get(),
smooth=True,
capstyle=ROUND)
def movingArrowLine(self, event):
#Translate mouse screen x1,y1 coordinates to canvas coordinates
self.linex1 = self.canvas.canvasx(event.x)
self.liney1 = self.canvas.canvasy(event.y)
#Modify rectangle x1, y1 coordinates
self.canvas.coords(self.lineid, self.linex0, self.liney0, self.linex1,
self.liney1)
def stopArrowLine(self, event):
#Translate mouse screen x1,y1 coordinates to canvas coordinates
self.linex1 = self.canvas.canvasx(event.x)
self.liney1 = self.canvas.canvasy(event.y)
#Modify rectangle x1, y1 coordinates
self.canvas.coords(self.lineid, self.linex0, self.liney0, self.linex1,
self.liney1)
self.stack.append(self.lineid)
self.stack.append('$') # Delimeter
def _pencil(self):
self.choice = 'Pencil'
self.choice_disp()
self.pen_color = self.save_color
self.canvas.config(cursor="crosshair")
self.canvas.unbind("<Button-1>")
self.canvas.unbind("<ButtonRelease-1>")
self.canvas.unbind("<B1-Motion>")
self.canvas.bind("<B1-Motion>", self.paint)
self.canvas.bind("<ButtonRelease-1>", self.reset)
def _pencilArrow(self):
self.choice = 'Pencil with\nArrow'
self.choice_disp()
self.pen_color = self.save_color
self.canvas.config(cursor="crosshair")
self.canvas.unbind("<Button-1>")
self.canvas.unbind("<ButtonRelease-1>")
self.canvas.unbind("<B1-Motion>")
self.canvas.bind("<B1-Motion>", self.paint_arrow)
self.canvas.bind("<ButtonRelease-1>", self.reset_arrow)
def undo(self):
self.item = self.stack.pop()
if (
self.item == '$'
): # For undoing figures like rectangle, oval, circle, square, straight lines.
self.item = self.stack.pop()
self.canvas.delete(self.item)
elif (self.item == '#'):
self.item = self.stack.pop()
while (self.item != '#' and self.item != '$'):
self.canvas.delete(self.item)
if len(self.stack) == 0:
break
self.item = self.stack.pop()
if self.item == '#' or self.item == '$':
self.stack.append(self.item)
# def redo(self):
# self.item = self.stack.pop()
# self.canvas.delete(self.x)
def clear(self):
self.canvas.delete(ALL)
self.canvas.configure(background='white')
def paint(self, event):
if self.old_x and self.old_y:
self.stack.append(
self.canvas.create_line(self.old_x,
self.old_y,
event.x,
event.y,
width=self.pen_size.get(),
fill=self.pen_color,
capstyle=ROUND,
smooth=True))
self.old_x = event.x
self.old_y = event.y
def reset(self, e): # Resetting
self.old_x = None
self.old_y = None
self.stack.append('#')
def select_color(self, col):
self.pen_color = col
self.save_color = col
def eraser(self):
self.choice = 'Eraser'
self.choice_disp()
self.canvas.config(cursor="dotbox")
self.canvas.unbind("<Button-1>")
self.canvas.unbind("<ButtonRelease-1>")
self.canvas.unbind("<B1-Motion>")
self.canvas.bind("<B1-Motion>", self.paint)
self.canvas.bind("<ButtonRelease-1>", self.reset)
self.pen_color = self.eraser_color
def brush_color(self): #changing the pen color
self.pen_color = colorchooser.askcolor(color=self.pen_color)[1]
self.save_color = self.pen_color
def canvas_color(self):
color = colorchooser.askcolor()
self.canvas.configure(background=color[1])
self.eraser_color = color[1]
def save_it(self):
try:
filename = filedialog.asksaveasfilename(defaultextension='.jpg')
ImageGrab.grab().save(filename)
messagebox.showinfo('Paint says',
'image is saved as ' + str(filename))
except:
messagebox.showerror(
'Paint says', 'unable to save image, \n something went wrong')
def save_it_destroy(self):
try:
filename = filedialog.asksaveasfilename(defaultextension='.jpg')
ImageGrab.grab().save(filename)
messagebox.showinfo('Paint says',
'image is saved as ' + str(filename))
self.root.destroy()
except:
messagebox.showerror(
'Paint says', 'unable to save image, \n something went wrong')
