Contoh Pemrograman Kivy Rotasi 45 derajat Hello World

 Contoh ini memutar tombol menggunakan PushMatrix dan PopMatrix. Anda akan melihat tombol statis dengan kata 'hello world' diputar pada sudut 45 derajat.

 

Listing Program(sumber : kivy.org)

'''
Rotation Example
================

This example rotates a button using PushMatrix and PopMatrix. You should see
a static button with the words 'hello world' rotated at a 45 degree angle.
'''


from kivy.app import App
from kivy.lang import Builder

kv = '''
FloatLayout:

    Button:
        text: 'hello world'
        size_hint: None, None
        pos_hint: {'center_x': .5, 'center_y': .5}
        canvas.before:
            PushMatrix
            Rotate:
                angle: 45
                origin: self.center
        canvas.after:
            PopMatrix
'''


class RotationApp(App):
    def build(self):
        return Builder.load_string(kv)


RotationApp().run()

 

Copy dan paste program diatas di Python Shell 2.7.18 lalu Run Module 

hasilnya :

 

 

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