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| #!/usr/bin/env python
# -*- coding: ISO8859-1 -*-
#
# whiteboard.py
import sys
import os
import Tkinter as Tk
import Image, ImageTk
import tkFileDialog
class ScreenCap(object):
def __init__(self):
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:
pass # TODO
self._currentf = None
def _FicNormalyze(self, name):
if name:
if os.path.basename(name) == name:
_fichier = os.path.join(os.path.expanduser('~'), name)
else:
_fichier = name
else:
_fichier = os.path.join(os.path.expanduser('~'), 'scrcap.jpg')
self._currentf = _fichier
return _fichier
def _GarbLinux(self, name=None):
_fichier = self._FicNormalyze(name)
_commande = "import -silent -window root " + _fichier
os.system(_commande)
return _fichier
def _GrabWin(self, name=None):
import ImageGrab
_fichier = self._FicNormalyze(name)
ImageGrab.grab().save(_fichier, "JPEG")
return _fichier
def _GrabMac(self, name=None): # A faire
_fichier = self._FicNormalyze(name)
_commande = "screencapture -m -x -t jpg " + _fichier
os.system(_commande)
return _fichier
def delete(self):
if os.path.isfile(self._currentf):
os.remove(self._currentf)
class MainMenu(object):
def __init__(self, master, bg=None, fg=None, activefg=None):
self.master = master
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):
self.master.quit()
def positionne(self, widget, x, y):
widget.update()
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
widget.geometry("%dx%d+%d+%d" % (reqw, reqh, posx, posy))
def affichemenu(self, event=None):
for widget in (widget for widget in self.master.winfo_children()
if isinstance(widget, Tk.Toplevel)):
return
position = self.master.winfo_pointerxy()
x, y = position[0], position[1]
self.topmenu = Tk.Toplevel(self.master, bg=self.bg)
self.topmenu.withdraw()
ctnfrm = Tk.Frame(self.topmenu, bd=1, relief=Tk.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=Tk.SUNKEN,
bg=self.bg).pack(fill=Tk.X, padx=5, pady=5)
lab = {}
tri = []
for cle in self.dicitem.keys():
tri.append(cle)
tri.sort()
for elems in tri:
cmd = self.dicitem[elems]
lab[elems] = Tk.Label(ctnfrm, text=elems, fg=self.fg,
bg=self.bg)
lab[elems].pack(padx=3, pady=2)
lab[elems].bind("<1>", cmd)
self.focusctrl(lab[elems])
tri = []
for cle in self.dicctrl.keys():
tri.append(cle)
tri.sort()
for elems in tri:
cmd = self.dicctrl[elems]
lab[elems] = Tk.Label(ctnfrm, text=elems, fg=self.fg,
bg=self.bg)
lab[elems].pack(padx=3, pady=2)
lab[elems].bind("<1>", cmd)
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.positionne(self.topmenu, x, y)
self.topmenu.overrideredirect(True)
self.topmenu.bind("<1>", self.cacher)
self.topmenu.deiconify()
def cacher(self, event=None):
self.topmenu.destroy()
def focusctrl(self, widget):
widget.bind("<Leave>", lambda event=None: self.notactive(
widget))
widget.bind("<Enter>", lambda event=None: self.isactive(widget))
def isactive(self, widget):
widget['fg']=self.activefg
widget.update()
def notactive(self, widget):
widget['fg']=self.fg
widget.update()
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 interface(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=Tk.NW)
self.update()
self.sccap.delete()
self.c.pack(fill=Tk.BOTH)
mainmenu = MainMenu(self, bg='white', fg='black',
activefg='blue')
mainmenu.additem('Ligne',
lambda event=None: self.trace('ligne'))
mainmenu.additem('Rectangle',
lambda event=None: self.trace('rectangle'))
mainmenu.additem('Ovale',
lambda event=None: self.trace('ovale'))
mainmenu.additem('Texte',
lambda event=None: self.trace('texte'))
mainmenu.addctrl('Effacer',
lambda event=None: self.trace('delete'))
mainmenu.addctrl('Sauvegarder', lambda event=None: self.after(2,
self.sauve))
mainmenu.addctrl('Configurer', self.config)
mainmenu.addctrl(u"Réduire", self.reduire)
self.bind('<Escape>', self.intercepte)
self.bind('<3>', mainmenu.affichemenu)
self.bind('<1>', self.addlist)
self.wm_attributes('-fullscreen', 1)
self.iconify()
def reduire(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()
self.btvalid = Tk.Button(self.menutext, fg='green', text='Valider',
command=self.createtxt)
self.btvalid.grid(row=1, column=0, padx=5, pady=5)
self.btquit = Tk.Button(self.menutext, fg='red',
text='Annuler', command=lambda: self.delwidget(self.menutext))
self.btquit.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 event=None:
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)
def clear(self):
self.totrace = None
del(self.pts[:])
def intercepte(self, event=None):
self.quit()
def trace(self, obj):
del(self.pts[:])
self.totrace = obj
def sauve(self, event=None):
img = self.sccap.grab(name='scrcap.jpg')
filetosave = tkFileDialog.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=Tk.W)
col += 1
self.btquit = Tk.Button(self.menuconfig, fg='green',
text='Quitter', command=lambda: self.delwidget(self.menuconfig))
self.btquit.grid(row=14, column=1, pady=10)
self.menuconfig.bind('<Escape>', lambda event=None:
self.delwidget(self.menuconfig))
if __name__ == "__main__":
app = interface(None)
app.mainloop() |
