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| #!/usr/bin/env python
# -*- coding: UTF-8 -*-
#
#
"""whiteboard.py
Shootscreen utility for Python 2.x.
Needed : Tkinter et PIL
Under Linux : ImageMagick
Under Mac : screencapture
"""
import sys
import os
try:
import Tkinter as Tk
import tkFileDialog as tkFD
from Tkconstants import *
import Image, ImageTk
except:
import tkinter as Tk
import tkinter.filedialog as tkFD
from tkinter.constants import *
# WARNING: Experimental import for PIL under Python 3.
from PIL import Image, ImageTk
class ScreenCap(object):
def __init__(self):
"""Screenshot class"""
if sys.platform == 'linux2':
self.grab = self._GarbLinux
elif sys.platform == 'win32':
import Image, ImageGrab
self.grab = self._GrabWin
elif sys.platform == 'darwin':
self.grab = self._GrabMac
else:
sys.exit(1)
self._currentf = None
def _FicNormalyze(self, name):
"""Internal Function for generate temp file.
Use home user directory for rights.
"""
if name:
if os.path.basename(name) == name:
_grabfile = os.path.join(os.path.expanduser('~'), name)
else:
_grabfile = name
else:
# default name
_grabfile = os.path.join(os.path.expanduser('~'), 'scrcap.jpg')
self._currentf = _grabfile
return _grabfile
def _GarbLinux(self, name=None):
"""Internal function for screen capture under Linux
Use ImageMagick import utility
"""
_grabfile = self._FicNormalyze(name)
_grabcommand = "import -silent -window root " + _grabfile
os.system(_grabcommand)
return _grabfile
def _GrabWin(self, name=None):
"""Internal function for screen capture under Windows.
Use PIL ImageGrab.
"""
try:
import ImageGrab
except:
# Experimental import for PIL under Python 3.
from PIL import ImageGrab
_grabfile = self._FicNormalyze(name)
ImageGrab.grab().save(_grabfile, "JPEG")
return _grabfile
def _GrabMac(self, name=None):
"""Internal function for screen capture under Windows.
Use screencapture command.
"""
_grabfile = self._FicNormalyze(name)
_grabcommand = "screencapture -m -x -t jpg " + _grabfile
os.system(_grabcommand)
return _grabfile
def delete(self):
"""Internal function. Delete temp file."""
if os.path.isfile(self._currentf):
os.remove(self._currentf)
class MainMenu(object):
"""Main menu class"""
def __init__(self, master, bg=None, fg=None, activefg=None):
self.master = master
# {'titre': callback}
self._DicItem = {}
self._DicCtrl = {}
if bg:
self._Bg = bg
else:
self._Bg = 'gray'
if fg:
self._Fg = fg
else:
self._Fg = 'black'
if activefg:
self._ActiveFg = activefg
else:
self._ActiveFg = 'blue'
def _RootQuit(self, event):
"""Internal function"""
self.master.quit()
def _Position(self, widget, x, y):
"""Internal function for the geometry"""
# Update the widget
widget.update()
# Get the geometry
reqw = widget.winfo_reqwidth()
reqh = widget.winfo_reqheight()
winw = widget.winfo_screenwidth()
winh = widget.winfo_screenheight()
posx = x - (reqw/2)
if x + reqw/2 > winw:
posx = posx - ((x + reqw/2) - winw)
elif x - reqw/2 < 0:
posx = 0
posy = y - reqh/2
if y + reqh/2 > winh:
posy = posy - ((y + reqh/2) - winh)
elif y - reqh/2 < 0:
posy = 0
# Set the widget geometry
widget.geometry("%dx%d+%d+%d" % (reqw, reqh, posx, posy))
def ShowMenu(self, event=None):
# Clean the screen
for widget in (widget for widget in self.master.winfo_children()
if isinstance(widget, Tk.Toplevel)):
return
# Get the position
position = self.master.winfo_pointerxy()
x, y = position[0], position[1]
# Create the Toplevel
self._TopMenu = Tk.Toplevel(self.master, bg=self._Bg)
self._TopMenu.withdraw()
CtnFrm = Tk.Frame(self._TopMenu, bd=1, relief=RIDGE, bg=self._Bg)
Tk.Label(CtnFrm, text='MENU', fg=self._Fg,
bg=self._Bg).pack(padx=3, pady=2)
Tk.Frame(CtnFrm, height=2, bd=1, relief=SUNKEN,
bg=self._Bg).pack(fill=X, padx=5, pady=5)
# Labels
_Lab = {}
_tri = []
# Sort _DicItem keys
for cle in self._DicItem.keys():
_tri.append(cle)
_tri.sort()
for elems in _tri:
_Lab[elems] = Tk.Label(CtnFrm, text=elems, fg=self._Fg, bg=self._Bg)
_Lab[elems].pack(padx=3, pady=2)
# bind the callback
_Lab[elems].bind("<1>", self._DicItem[elems])
# focus
self._FocusCtrl(_Lab[elems])
_tri = []
for cle in self._DicCtrl.keys():
_tri.append(cle)
_tri.sort()
for elems in _tri:
_Lab[elems] = Tk.Label(CtnFrm, text=elems, fg=self._Fg, bg=self._Bg)
_Lab[elems].pack(padx=3, pady=2)
_Lab[elems].bind("<1>", self._DicCtrl[elems])
self._FocusCtrl(_Lab[elems])
LabelQuit = Tk.Label(CtnFrm, text='Quitter', fg=self._Fg, bg=self._Bg)
LabelQuit.pack(padx=3, pady=2)
self._FocusCtrl(LabelQuit)
CtnFrm.pack(padx=3, pady=2)
LabelQuit.bind("<1>", self._RootQuit)
self._Position(self._TopMenu, x, y)
self._TopMenu.bind("<1>", self._Hide)
self._TopMenu.overrideredirect(True)
self._TopMenu.deiconify()
def _Hide(self, event=None):
self._TopMenu.destroy()
def _FocusCtrl(self, widget):
widget.bind("<Leave>", lambda e: self._NotActive(widget))
widget.bind("<Enter>", lambda e: self._IsActive(widget))
def _IsActive(self, widget):
# Text color
widget['fg'] = self._ActiveFg
widget.update()
def _NotActive(self, widget):
widget['fg'] = self._Fg
widget.update()
# for items and controls
def additem(self, name, cb):
self._DicItem[name] = cb
def delitem(self, name):
del self._DicItem[name]
def addctrl(self, name, cb):
self._DicCtrl[name] = cb
def delctrl(self, name):
del self._DicCtrl[name]
class GUI(Tk.Tk):
def __init__(self, parent):
Tk.Tk.__init__(self, parent)
self.title('Whiteboard')
self._Pts = []
self._ToTrace = None
self.Color = Tk.StringVar()
self.Color.set('red')
self.Width = Tk.IntVar()
self.Width.set(3)
self.Sccap = ScreenCap()
_Img = self.Sccap.grab(name='scrcap.jpg')
_FCapture = Image.open(_Img)
self.photo = ImageTk.PhotoImage(_FCapture)
self.C = Tk.Canvas(self, width=self.winfo_screenwidth(),
height=self.winfo_screenheight())
self.C.create_image(0, 0, image=self.photo, anchor=NW)
self.update()
self.Sccap.delete()
self.C.pack(fill=BOTH)
mainmenu = MainMenu(self, bg='white', fg='black', activefg='blue')
mainmenu.additem('Ligne', lambda e: self._Trace('ligne'))
mainmenu.additem('Rectangle', lambda e: self._Trace('rectangle'))
mainmenu.additem('Ovale', lambda e: self._Trace('ovale'))
mainmenu.additem('Texte', lambda e: self._Trace('texte'))
mainmenu.addctrl('Effacer', lambda e: self._Trace('delete'))
mainmenu.addctrl('Sauvegarder', lambda e: self.after(2, self._Save))
mainmenu.addctrl('Configurer', self.config)
mainmenu.addctrl("Réduire", self._Reduce)
self.bind('<Escape>', self._Intercepte)
self.bind('<3>', mainmenu.ShowMenu)
self.bind('<1>', self.addlist)
self.wm_attributes('-fullscreen', 1)
self.iconify()
def _Reduce(self, event=None):
self.iconify()
def addlist(self, event):
self._Pts.append((event.x, event.y))
if self._ToTrace == 'delete':
item = self.C.find_closest(event.x, event.y)
if item != (1,):
self.C.delete(item)
self._Clear()
elif self._ToTrace == 'ligne' and len(self._Pts) == 2:
self.C.create_line(self._Pts[0][0], self._Pts[0][1],
self._Pts[1][0], self._Pts[1][1],
fill=self.Color.get(),
width=self.Width.get())
self._Clear()
elif self._ToTrace == 'rectangle' and len(self._Pts) == 2:
self.C.create_rectangle(self._Pts[0][0], self._Pts[0][1],
self._Pts[1][0], self._Pts[1][1],
outline=self.Color.get(),
width=self.Width.get())
self._Clear()
elif self._ToTrace == 'ovale' and len(self._Pts) == 2:
self.C.create_oval(self._Pts[0][0], self._Pts[0][1],
self._Pts[1][0], self._Pts[1][1],
outline=self.Color.get(),
width=self.Width.get())
self._Clear()
elif self._ToTrace == 'texte':
for widget in (widget for widget in self.winfo_children()
if isinstance(widget, Tk.Toplevel)):
widget.destroy()
self.MenuText = Tk.Toplevel()
self.MenuText.title("Ajout d'un texte")
self.textentry = Tk.Entry(self.MenuText, width=80)
self.textentry.grid(row=0, column=0, columnspan=2, padx=5,
pady=5)
self.textentry.focus_set()
Tk.Button(self.MenuText, fg='green', text='Valider',
command=self._CreateTxt
) .grid(row=1, column=0, padx=5, pady=5)
Tk.Button(self.MenuText, fg='red', text='Annuler',
command=lambda: self._DelWidget(self.MenuText)
).grid(row=1, column=1, padx=5, pady=5)
self.MenuText.update()
self.MenuText.geometry("%dx%d+%d+%d" %
(self.MenuText.winfo_reqwidth(),
self.MenuText.winfo_reqheight(),
event.x, event.y))
self.MenuText.bind('<Escape>', lambda e:
self._DelWidget(self.MenuText))
def _DelWidget(self, widget):
widget.destroy()
self._Clear()
def _CreateTxt(self):
self.C.create_text(self._Pts[0][0], self._Pts[0][1],
fill=self.Color.get(), text=self.textentry.get())
self._DelWidget(self.MenuText)
# Cleaning
def _Clear(self):
self._ToTrace = None
del(self._Pts[:])
def _Intercepte(self, event=None):
self.quit()
# set self._ToTrace and clear self.Pts
def _Trace(self, obj):
del(self._Pts[:])
self._ToTrace = obj
def _Save(self, event=None):
"""Internal function"""
img = self.Sccap.grab(name='scrcap.jpg')
filetosave = tkFD.asksaveasfilename(initialdir=os.path.expanduser('~'),
title="Enregistrement",
filetypes=[('JPEG / JFIF','*.jpg')],
defaultextension='jpg',
initialfile='capture.jpg')
if filetosave:
if os.path.isfile(filetosave):
os.remove(filetosave)
os.rename(img, filetosave)
else:
self.Sccap.delete()
def config(self, event=None):
for widget in (widget for widget in self.winfo_children()
if isinstance(widget, Tk.Toplevel)):
widget.destroy()
self.MenuConfig = Tk.Toplevel()
self.MenuConfig.title("Configuration")
Tk.Label(self.MenuConfig, text='Epaisseur de ligne').grid(row=0,
column=0,
padx=5,
pady=5)
for i in range(0, 11):
Tk.Radiobutton(self.MenuConfig, text=str(i), variable=self.Width,
value=i).grid(row=1+i, column=0, padx=5, pady=5)
Tk.Label(self.MenuConfig, text='Couleur').grid(row=0, column=2,
padx=5, pady=5)
col = 0
for c, n in [('Noir', 'black'), ('Blanc', 'white'), ('Rouge', 'red'),
('Vert', 'green'), ('Bleu', 'blue'), ('Jaune', 'yellow'),
('Violet', 'purple'), ('Orange', 'orange'), ('Gris', 'gray'),
('Rose', 'pink'), ('Marron', 'brown'),]:
Tk.Radiobutton(self.MenuConfig, text=c, variable=self.Color,
value=n).grid(row=col+1, column=2, padx=5, pady=5,
sticky=W)
col += 1
Tk.Button(self.MenuConfig, fg='green', text='Quitter',
command=lambda: self._DelWidget(self.MenuConfig)
).grid(row=14, column=1, pady=10)
self.MenuConfig.bind('<Escape>', lambda e:
self._DelWidget(self.MenuConfig))
if __name__ == "__main__":
app = GUI(None)
app.mainloop() |
