#!/bin/sh """:" exec python $0 ${1+"$@"} """ # ---------------------- HelloPens.py ---------------------- # # This program demonstrates all methods available for pens. # Note that this program does not do anything useful; # its purpose is to try out functionality only. # from Tkinter import * # The Tk package import Pmw # The Python MegaWidget package import math # import the sin-function master = Tk() # build Tk-environment ncurves = 4 # draw 4 curves npoints = 32 # use 32 points on each curve if not Pmw.Blt.haveblt(master): # Is Blt installed? print("BLT is not installed!") else: vector_x = [] # make vector for x-axis vector_y = [] for y in range(ncurves): vector_y.append([]) for x in range(npoints+1): vector_x.append(x*0.1) # fill vectors with cool graphs for c in range(ncurves): vector_y[c].append(math.sin(c*x*0.1)) g = Pmw.Blt.Graph(master) g.pack(expand=1, fill='both') for c in range(ncurves): curvename = 'sin(' + str(c) +'x)' g.line_create(curvename, xdata=tuple(vector_x), ydata=tuple(vector_y[c]), symbol='') g.configure(title='Hello Pens') ############################# pen_create ########################### customPen = g.pen_create("custom", symbol="circle", pixels=7, linewidth=2, color="green") g.element_configure("sin(1x)", pen="custom") # use this pen on sin(x) ############################### pen_cget ############################# symbol = g.pen_cget("custom", "symbol") print "Current symboltype is:", symbol ############################# pen_configure ########################## all = g.pen_configure("custom") # get all options for key in all.keys(): print key, "=", g.pen_cget("custom", key) # display all options # set outline color of the two pens "custom" and "activeLine" # (activeLine is a predefined pen) g.pen_configure(("custom", "activeLine"), outline="red") ############################### pen_delete ########################### g.pen_delete("custom") # won't be deleted since it is in use. # yet, it won't be found by e.g. pen_names(...) ############################### pen_names ############################ all = g.pen_names("*") # get all pens. print "All current pens:", for name in all: print name, print "\n" master.mainloop()