/usr/share/kivy-examples/svg/main-smaa.py is in python-kivy-examples 1.9.1-1build3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | 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()
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