1.简介
1.1.Kivy
Kivy: Cross-platform Python Framework for NUI Development.
Kivy - Open source Python library for rapid development of applications that make use of innovative user interfaces, such as multi-touch apps.
官网:kivy.org/
1.2.Feature
-
Python UI库
-
跨平台:Linux, Windows, OS X, Android, iOS, Raspbery Pi
- 支持多种输入设备和协议:WM_Touch, WM_Pen, Mac OS X Trackpad and Magic Mouse, Mtdev, Linux Kernel HID, TUIO等。
-
MIT协议
-
GPU加速:图形引擎基于OpenGL ES 2;自带20多种Widget;
2.Demo
2.1.安装
pip install kivy
2.2.Demo
from random import random
from kivy.app import App
from kivy.uix.widget import Widget
from kivy.uix.button import Button
from kivy.graphics import Color, Ellipse, Line
class MyPaintWidget(Widget):
def on_touch_down(self, touch):
color = (random(), 1, 1)
with self.canvas:
Color(*color, mode='hsv')
d = 30.
Ellipse(pos=(touch.x - d / 2, touch.y - d / 2), size=(d, d))
touch.ud['line'] = Line(points=(touch.x, touch.y))
def on_touch_move(self, touch):
touch.ud['line'].points += [touch.x, touch.y]
class MyPaintApp(App):
def build(self):
parent = Widget()
self.painter = MyPaintWidget()
clearbtn = Button(text='Clear')
clearbtn.bind(on_release=self.clear_canvas)
parent.add_widget(self.painter)
parent.add_widget(clearbtn)
return parent
def clear_canvas(self, obj):
self.painter.canvas.clear()
if __name__ == '__main__':
MyPaintApp().run()
运行
2.3.打包
- Windows: PyInstanller
3.总结
- 支持GPU加速,图形性能应该不错,可以考虑用来开发工具软件。