How to Check the Size of Ellipse Objects with Python Kivy

How to Check the Size of Ellipse Objects with Python Kivy

Author: turtlecode

.idea/.gitignore

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+from kivy.app import App
+from kivy.lang import Builder
+
+kv = '''
+BoxLayout:
+    orientation: 'vertical'
+    BoxLayout:
+        size_hint_y: None
+        height: sp(100)
+        BoxLayout:
+            orientation: 'vertical'
+            Slider:
+                id: e1
+                min: -360.
+                max: 360.
+            Label:
+                text: 'angle_start = {}'.format(e1.value)
+        BoxLayout:
+            orientation: 'vertical'
+            Slider:
+                id: e2
+                min: -360.
+                max: 360.
+                value: 360
+            Label:
+                text: 'angle_end = {}'.format(e2.value)
+
+    BoxLayout:
+        size_hint_y: None
+        height: sp(100)
+        BoxLayout:
+            orientation: 'vertical'
+            Slider:
+                id: wm
+                min: 0
+                max: 2
+                value: 1
+            Label:
+                text: 'Width mult. = {}'.format(wm.value)
+        BoxLayout:
+            orientation: 'vertical'
+            Slider:
+                id: hm
+                min: 0
+                max: 2
+                value: 1
+            Label:
+                text: 'Height mult. = {}'.format(hm.value)
+        Button:
+            text: 'Reset ratios'
+            on_press: wm.value = 1; hm.value = 1
+
+    FloatLayout:
+        canvas:
+            Color:
+                rgb: 1, 1, 1
+            Ellipse:
+                pos: 100, 100
+                size: 200 * wm.value, 201 * hm.value
+                source: 'data/logo/kivy-icon-512.png'
+                angle_start: e1.value
+                angle_end: e2.value
+
+'''
+
+
+class CircleApp(App):
+    def build(self):
+        return Builder.load_string(kv)
+
+
+CircleApp().run()