mirror of https://github.com/swig/swig
68 lines
1.7 KiB
Python
68 lines
1.7 KiB
Python
# file: example.py
|
|
|
|
# This file illustrates the low-level C++ interface
|
|
# created by SWIG. In this case, all of our C++ classes
|
|
# get converted into function calls.
|
|
|
|
import example
|
|
|
|
# ----- Object creation -----
|
|
|
|
print "Creating some objects:"
|
|
c = example.new_Circle(10)
|
|
print " Created circle", c
|
|
s = example.new_Square(10)
|
|
print " Created square", s
|
|
|
|
# ----- Access a static member -----
|
|
|
|
print "\nA total of", example.cvar.Shape_nshapes,"shapes were created"
|
|
|
|
# ----- Member data access -----
|
|
|
|
# Set the location of the object
|
|
|
|
|
|
example.Shape_x_set(c, 20)
|
|
example.Shape_y_set(c, 30)
|
|
example.Shape_x_set(s,-10)
|
|
example.Shape_y_set(s,5)
|
|
|
|
print "\nHere is their current position:"
|
|
print " Circle = (%f, %f)" % (example.Shape_x_get(c), example.Shape_y_get(c))
|
|
print " Square = (%f, %f)" % (example.Shape_x_get(s), example.Shape_y_get(s))
|
|
|
|
# ----- Call some methods -----
|
|
|
|
print "\nHere are some properties of the shapes:"
|
|
for o in [c,s]:
|
|
print " ", o
|
|
print " area = ", example.Shape_area(o)
|
|
print " perimeter = ", example.Shape_perimeter(o)
|
|
|
|
# Notice how the Shape_area() and Shape_perimeter() functions really
|
|
# invoke the appropriate virtual method on each object.
|
|
|
|
# ----- Try to cause a type error -----
|
|
|
|
print "\nI'm going to try and break the type system"
|
|
try:
|
|
# Bad script!
|
|
Square_area(c) # Try to invoke Square method on a Circle
|
|
print " Bad bad SWIG!"
|
|
except:
|
|
print " Well, it didn't work. Good SWIG."
|
|
|
|
|
|
# ----- Delete everything -----
|
|
|
|
print "\nGuess I'll clean up now"
|
|
|
|
# Note: this invokes the virtual destructor
|
|
example.delete_Shape(c)
|
|
example.delete_Shape(s)
|
|
|
|
print example.cvar.Shape_nshapes,"shapes remain"
|
|
print "Goodbye"
|
|
|