From f4f5c6319ae06a1fde8e495c4dfffea063f33039 Mon Sep 17 00:00:00 2001
From: Phil Howard <phil@pimoroni.com>
Date: Thu, 2 Mar 2023 13:09:14 +0000
Subject: [PATCH] Inky Frame: Add dithering example.

---
 .../inky_frame/inky_frame_dithering.py        | 68 +++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 micropython/examples/inky_frame/inky_frame_dithering.py

diff --git a/micropython/examples/inky_frame/inky_frame_dithering.py b/micropython/examples/inky_frame/inky_frame_dithering.py
new file mode 100644
index 00000000..15c947ec
--- /dev/null
+++ b/micropython/examples/inky_frame/inky_frame_dithering.py
@@ -0,0 +1,68 @@
+# from picographics import PicoGraphics, DISPLAY_INKY_FRAME as DISPLAY      # 5.7"
+# from picographics import PicoGraphics, DISPLAY_INKY_FRAME_4 as DISPLAY  # 4.0"
+from picographics import PicoGraphics, DISPLAY_INKY_FRAME_7 as DISPLAY  # 7.3"
+
+graphics = PicoGraphics(DISPLAY)
+
+WIDTH, HEIGHT = graphics.get_bounds()
+
+graphics.set_pen(1)
+graphics.clear()
+
+w = int(WIDTH / 8)
+
+# Solid Colours
+
+for p in range(8):
+    graphics.set_pen(p)
+    graphics.rectangle(w * p, 0, w, 50)
+
+# "Greydient"
+
+for x in range(WIDTH):
+    g = int(x / float(WIDTH) * 255)
+    graphics.set_pen(graphics.create_pen(g, g, g))
+    for y in range(30):
+        graphics.pixel(x, 60 + y)
+
+# Rainbow Gradient
+
+for x in range(WIDTH):
+    h = x / float(WIDTH)
+    graphics.set_pen(graphics.create_pen_hsv(h, 1.0, 1.0))
+    for y in range(100):
+        graphics.pixel(x, 100 + y)
+
+# Block Colours & Text
+
+graphics.set_pen(graphics.create_pen(128, 128, 0))
+graphics.rectangle(0, 210, 200, 100)
+graphics.set_pen(graphics.create_pen(200, 200, 200))
+graphics.text("Hello", 10, 220)
+graphics.text("Hello", 10, 240, scale=4.0)
+
+graphics.set_pen(graphics.create_pen(0, 128, 128))
+graphics.rectangle(200, 210, 200, 100)
+graphics.set_pen(graphics.create_pen(200, 200, 200))
+graphics.text("Hello", 210, 220)
+graphics.text("Hello", 210, 240, scale=4.0)
+
+graphics.set_pen(graphics.create_pen(128, 0, 128))
+graphics.rectangle(400, 210, 200, 100)
+graphics.set_pen(graphics.create_pen(200, 200, 200))
+graphics.text("Hello", 410, 220)
+graphics.text("Hello", 410, 240, scale=4.0)
+
+# Red, Green and Blue gradients
+
+for x in range(WIDTH):
+    g = int(x / float(WIDTH) * 255)
+    for y in range(20):
+        graphics.set_pen(graphics.create_pen(g, 0, 0))
+        graphics.pixel(x, 320 + y)
+        graphics.set_pen(graphics.create_pen(0, g, 0))
+        graphics.pixel(x, 350 + y)
+        graphics.set_pen(graphics.create_pen(0, 0, g))
+        graphics.pixel(x, 380 + y)
+
+graphics.update()