test-kivy-app/kivy_venv/share/kivy-examples/svg/main-smaa.py
2024-09-15 15:12:16 +03:00

156 lines
4.5 KiB
Python

import sys
from glob import glob
from os.path import join, dirname
from kivy.uix.scatter import Scatter
from kivy.uix.widget import Widget
from kivy.uix.label import Label
from kivy.app import App
from kivy.graphics.svg import Svg
from kivy.core.window import Window
from kivy.uix.floatlayout import FloatLayout
from kivy.lang import Builder
smaa_ui = '''
#:kivy 1.8.0
BoxLayout:
orientation: 'horizontal'
pos_hint: {'top': 1}
size_hint_y: None
height: '48dp'
padding: '2dp'
spacing: '2dp'
Label:
text: 'Quality:'
ToggleButton:
text: 'Low'
group: 'smaa-quality'
on_release: app.smaa.quality = 'low'
ToggleButton:
text: 'Medium'
group: 'smaa-quality'
on_release: app.smaa.quality = 'medium'
ToggleButton:
text: 'High'
group: 'smaa-quality'
on_release: app.smaa.quality = 'high'
ToggleButton:
text: 'Ultra'
group: 'smaa-quality'
state: 'down'
on_release: app.smaa.quality = 'ultra'
Label:
text: 'Debug:'
ToggleButton:
text: 'None'
group: 'smaa-debug'
state: 'down'
on_release: app.smaa.debug = ''
ToggleButton:
text: 'Source'
group: 'smaa-debug'
on_release: app.smaa.debug = 'source'
ToggleButton:
text: 'Edges'
group: 'smaa-debug'
on_release: app.smaa.debug = 'edges'
ToggleButton:
text: 'Blend'
group: 'smaa-debug'
on_release: app.smaa.debug = 'blend'
'''
class SvgWidget(Scatter):
def __init__(self, filename):
super(SvgWidget, self).__init__()
with self.canvas:
svg = Svg(filename)
self.size = svg.width, svg.height
class SvgApp(App):
def build(self):
from kivy.garden.smaa import SMAA
Window.bind(on_keyboard=self._on_keyboard_handler)
self.smaa = SMAA()
self.effects = [self.smaa, Widget()]
self.effect_index = 0
self.label = Label(text='SMAA', top=Window.height)
self.effect = effect = self.effects[0]
self.root = FloatLayout()
self.root.add_widget(effect)
if 0:
from kivy.graphics import Color, Rectangle
wid = Widget(size=Window.size)
with wid.canvas:
Color(1, 1, 1, 1)
Rectangle(size=Window.size)
effect.add_widget(wid)
if 1:
# from kivy.uix.image import Image
# root.add_widget(Image(source='data/logo/kivy-icon-512.png',
# size=(800, 600)))
filenames = sys.argv[1:]
if not filenames:
filenames = glob(join(dirname(__file__), '*.svg'))
for filename in filenames:
svg = SvgWidget(filename)
effect.add_widget(svg)
effect.add_widget(self.label)
svg.scale = 5.
svg.center = Window.center
if 0:
wid = Scatter(size=Window.size)
from kivy.graphics import Color, Triangle, Rectangle
with wid.canvas:
Color(0, 0, 0, 1)
Rectangle(size=Window.size)
Color(1, 1, 1, 1)
w, h = Window.size
cx, cy = w / 2., h / 2.
Triangle(points=[cx - w * 0.25, cy - h * 0.25,
cx, cy + h * 0.25,
cx + w * 0.25, cy - h * 0.25])
effect.add_widget(wid)
if 0:
from kivy.uix.button import Button
from kivy.uix.slider import Slider
effect.add_widget(Button(text='Hello World'))
effect.add_widget(Slider(pos=(200, 200)))
control_ui = Builder.load_string(smaa_ui)
self.root.add_widget(control_ui)
def _on_keyboard_handler(self, instance, key, *args):
if key == 32:
self.effect_index = (self.effect_index + 1) % 2
childrens = self.effect.children[:]
self.effect.clear_widgets()
self.root.remove_widget(self.effect)
self.effect = self.effects[self.effect_index]
self.root.add_widget(self.effect)
for child in reversed(childrens):
self.effect.add_widget(child)
self.label.text = self.effect.__class__.__name__
Window.title = self.label.text
if __name__ == '__main__':
SvgApp().run()