Kivy: tex_coords

texcoords.py

import kivy
kivy.require('1.8.1')

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

root = Builder.load_string('''
BoxLayout:
    Widget:
        canvas:
            Color:
                rgba: 1, 1, 1, 1
            Rectangle:
                source: 'examples/kv/kivy.jpg'
                pos: self.pos
                size: 100, 100
    Widget:
        canvas:
            Color:
                rgba: 1, 1, 1, 1
            Rectangle:
                source: 'examples/kv/kivy.jpg'
                pos: self.pos
                size: 100, 100
                tex_coords: 0.3, 0.7, 0.7, 0.7, 0.7, 0.3, 0.3, 0.3
''')

class TestApp(App):
    def build(self):
        return root

if __name__ == '__main__':
    TestApp().run()