def drawpoint(args):
if len(args)<4 or len(args) > 6:
raise ArgumentError()
argnum = len(args)
c1 = int(NI.to_ascii(args[2]))
c2 = int(NI.to_ascii(args[3]))
width = int(NI.to_ascii(args[4])) if argnum>4 else None
outline = to_col[args[5]] if argnum>5 else None
root,canvas = args[0]
canvas.create_rectangle(c1,c2,c1,c2,width=width,outline=outline)
root.update()
return
def drawtext(args):
if len(args)<5 or len(args) > 7:
raise ArgumentError()
argnum = len(args)
c1 = int(NI.to_ascii(args[2]))
c2 = int(NI.to_ascii(args[3]))
text = args[4].encode("UTF8")
size = int(NI.to_ascii(args[5])) if argnum>5 else None
color = to_col[args[6]] if argnum>6 else None
font = "a " + str(size) if size is not None else "0 "
root,canvas = args[0]
canvas.create_text(c1,c2,text=text,font=font,fill=color,anchor="nw")
root.update()
return
def drawcircle(args):
'requres canvas, 2 coords, radius compulsory; width, outline, fill optional'
if len(args) < 5 or len(args) > 8:
raise ArgumentError()
argnum = len(args)
root,canvas = args[0]
x = int(NI.to_ascii(args[2]))
y = int(NI.to_ascii(args[3]))
r = int(NI.to_ascii(args[4]))
width = int(NI.to_ascii(args[5])) if argnum>5 else None
outline = to_col[args[6]] if argnum>6 else None
fill = to_col[args[7]] if argnum>7 else None
canvas.create_oval(x-r,y-r,x+r,y+r,width=width,fill=fill,outline=outline)
canvas.update()
return
def drawline(args):
'requires the canvas, 4 coords compulsory and width and foreground color optional'
if len(args) < 6 or len(args) > 8:
raise ArgumentError()
argnum = len(args)
root,canvas = args[0]
c1 = int(NI.to_ascii(args[2]))
c2 = int(NI.to_ascii(args[3]))
c3 = int(NI.to_ascii(args[4]))
c4 = int(NI.to_ascii(args[5]))
width = int(NI.to_ascii(args[6])) if argnum > 6 else None
fill = to_col[args[7]] if argnum>7 else None
canvas.create_line(c1,c2,c3,c4,width=width,fill=fill)
canvas.update()
return
def initgraphics(args,env):
root = Tk()
if len(args) < 3:
raise ArgumentError()
name = NI.interpret(args[0],env)
name = name.encode('UTF8')
height = int(NI.to_ascii(NI.interpret(args[1],env)))
width = int(NI.to_ascii(NI.interpret(args[2],env)))
root.title(name)
root.configure(height=height, width=width) #set width and height
root.resizable(0,0) #disable resizing
canvas = Canvas(root,width=width,height=height)
canvas.pack(fill='both')
#hide the windows
root.withdraw()
root.bind("<Key>",keyboardhandler)
return root,canvas
def findString(args, env):
if (len(args) < 2 or len(args) > 4):
raise ArgumentError
string = NI.interpret(args[0], env)
pattern = NI.interpret(args[1], env)
begin = (len(args)>2) and NI.interpret(args[2], env) or u'०'
end = (len(args)>3) and NI.interpret(args[3], env) or u'०'
if type(string) != type(u'ल') \
or type(u'ल') != type(pattern) \
or type(u'ल') != type(pattern) \
or type(u'ल') != type(pattern):
raise ArgumentError
begin = int(NI.to_ascii(begin))
end = int(NI.to_ascii(end))
if (end != 0):
return NI.get_key_from_value(NI.map_num, string.find(pattern, begin, end))
return NI.to_unicode(string.find(pattern, begin))
def squareRoot(args, env):
if len(args) != 1:
raise ArgumentError
return NI.to_unicode(math.sqrt(NI.to_ascii(NI.interpret(args[0], env))))
