Add example to be tested.

examples/rounded_rect_example.py

@@ -0,0 +1,107 @@
+# SPDX-FileCopyrightText: 2024-present Unital Software <[email protected]>
+#
+# SPDX-License-Identifier: MIT
+
+"""Example showing support for rounded rectangles."""
+
+import asyncio
+from array import array
+import framebuf
+import random
+import math
+
+from tempe.bitmaps import Bitmaps, ColoredBitmaps
+from tempe.colormaps.viridis import viridis
+from tempe.colormaps.viridis import viridis
+from tempe.data_view import Repeat, Range, Interpolated
+from tempe.geometry import RowGeometry, ColumnGeometry
+from tempe.surface import Surface
+from tempe.shapes import Rectangles, RoundedRectangles
+from tempe.lines import WideLines, WidePolyLines
+from tempe.display import FileDisplay
+
+random.seed(0)
+
+surface = Surface()
+
+# a buffer one half the size of the screen
+working_buffer = bytearray(2 * 320 * 121)
+
+# fill the background with white pixels
+background = Rectangles([(0, 0, 320, 240)], [0xFFFF])
+surface.add_shape("BACKGROUND", background)
+
+
+# draw some rectangles
+rectangles = RoundedRectangles(
+    ColumnGeometry(
+        [
+            Range(24, 240, 80),
+            Repeat(24),
+            Range(32, 96, 16),
+            Range(64, 16, -16),
+        ]
+    ),
+    Interpolated(viridis, 3),
+    fill=True,
+)
+surface.add_shape("DRAWING", rectangles)
+
+surface.rounded_rectangles(
+    "DRAWING",
+    ColumnGeometry([
+            Range(24, 240, 80),
+            Range(96, 48, -16),
+            Range(64, 16, -16),
+            Range(32, 96, 16),
+    ]),
+    Interpolated(viridis, 3),
+    radius=12,
+    fill=False,
+)
+
+surface.rounded_rectangles(
+    "DRAWING",
+    ColumnGeometry([
+            Range(24, 240, 80),
+            Repeat(160),
+            Range(32, 96, 16),
+            Range(64, 16, -16),
+    ]),
+    Interpolated(viridis, 3),
+    radius=32,
+)
+
+async def init_display():
+    from tempe_displays.st7789.pimoroni import PimoroniDisplay as Display
+    # or for Waveshare Pico-ResTouch-LCD-28:
+    #     from tempe_displays.st7789.waveshare import PicoResTouchDisplay as Display
+
+    display = Display(size=(240, 320))
+    display.backlight_pin(1)
+    await display.init()
+    return display
+
+
+def main(surface, working_buffer):
+    # set up the display object
+    display = asyncio.run(init_display())
+
+    # refresh the display
+    display.clear()
+    surface.refresh(display, working_buffer)
+
+
+if __name__ == "__main__":
+
+    # if we have an actual screen, use it
+    main(surface, working_buffer)
+
+elif __name__ != "__test__":
+
+    # set up the display object
+    display = FileDisplay("lines.rgb565", (320, 240))
+    # refresh the display
+    with display:
+        display.clear()
+        surface.refresh(display, working_buffer)