New example using setter feature in the circle library

Author: jposada202020

docs/examples.rst

@@ -6,3 +6,48 @@ Ensure your device works with this simple test.
 .. literalinclude:: ../examples/display_shapes_simpletest.py
     :caption: examples/display_shapes_simpletest.py
     :linenos:
+
+Simple test MagTag
+------------------
+
+Simple test with the MagTag.
+
+.. literalinclude:: ../examples/display_shapes_simpletest_magtag.py
+    :caption: examples/display_shapes_simpletest_magtag.py
+    :linenos:
+
+Sparkline Simple Test
+---------------------
+
+Simple test with Sparklines
+
+.. literalinclude:: ../examples/display_shapes_sparkline_simpletest.py
+    :caption: examples/display_shapes_sparkline_simpletest.py
+    :linenos:
+
+Sparkline Ticks Example
+-----------------------
+
+Example using tick with the Sparkline class
+
+.. literalinclude:: ../examples/display_shapes_sparkline_ticks.py
+    :caption: examples/display_shapes_sparkline_ticks.py
+    :linenos:
+
+Sparkline Triple Test
+---------------------
+
+reate background bitmaps and sparklines
+
+.. literalinclude:: ../examples/display_shapes_sparkline_triple.py
+    :caption: examples/display_shapes_sparkline_triple.py
+    :linenos:
+
+Circle Animation
+----------------
+
+Example showing the features of the new Circle setter
+
+.. literalinclude:: ../examples/display_shapes_circle_animation.py
+    :caption: examples/display_shapes_circle_animation.py
+    :linenos:

examples/display_shapes_circle_animation.py

@@ -0,0 +1,60 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
+"""
+This is an animation to demonstrate the use of Circle Setter Attribute.
+"""
+
+import time
+import gc
+import board
+import displayio
+from adafruit_display_shapes.circle import Circle
+
+# use built in display (MagTag, PyPortal, PyGamer, PyBadge, CLUE, etc.)
+# see guide for setting up external displays (TFT / OLED breakouts, RGB matrices, etc.)
+# https://learn.adafruit.com/circuitpython-display-support-using-displayio/display-and-display-bus
+display = board.DISPLAY
+
+# Make the display context
+main_group = displayio.Group(max_size=2)
+
+# Make a background color fill
+color_bitmap = displayio.Bitmap(display.width, display.height, 1)
+color_palette = displayio.Palette(1)
+color_palette[0] = 0xFFFFFF
+bg_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=0, y=0)
+main_group.append(bg_sprite)
+
+# Setting up the Circle starting position
+posx = 50
+posy = 50
+
+# Define Circle characteristics
+circle_radius = 20
+circle = Circle(posx, posy, circle_radius, fill=0x00FF00, outline=0xFF00FF)
+main_group.append(circle)
+
+# Define Circle Animation Steps
+delta_x = 2
+delta_y = 2
+
+# Showing the items on the screen
+display.show(main_group)
+
+while True:
+
+    if circle.y + circle_radius >= display.height - circle_radius:
+        delta_y = -1
+    if circle.x + circle_radius >= display.width - circle_radius:
+        delta_x = -1
+    if circle.x - circle_radius <= 0 - circle_radius:
+        delta_x = 1
+    if circle.y - circle_radius <= 0 - circle_radius:
+        delta_y = 1
+
+    circle.x = circle.x + delta_x
+    circle.y = circle.y + delta_y
+
+    time.sleep(0.02)
+    gc.collect()