linted

Author: makermelissa

examples/ili9341_displayio_demo.py

@@ -0,0 +1,68 @@
+"""
+This test will initialize the display using displayio and draw a solid green
+background, a smaller purple rectangle, and some yellow text. All drawing is done
+using native displayio modules.
+
+Pinouts are for the 2.8" TFT Shield
+"""
+import board
+import displayio
+import terminalio
+import adafruit_ili9341
+
+spi = board.SPI()
+tft_cs = board.D10
+tft_dc = board.D9
+
+displayio.release_displays()
+display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs)
+display = adafruit_ili9341.ILI9341(display_bus, width=320, height=240)
+
+# Make the display context
+splash = displayio.Group(max_size=10)
+display.show(splash)
+
+# Draw a green background
+color_bitmap = displayio.Bitmap(320, 240, 1)
+color_palette = displayio.Palette(1)
+color_palette[0] = 0x00FF00 # Bright Green
+
+bg_sprite = displayio.TileGrid(color_bitmap,
+                               pixel_shader=color_palette,
+                               x=0, y=0)
+
+splash.append(bg_sprite)
+
+# Draw a smaller inner rectangle
+inner_bitmap = displayio.Bitmap(280, 200, 1)
+inner_palette = displayio.Palette(1)
+inner_palette[0] = 0x65328F # Blinka Purple
+inner_sprite = displayio.TileGrid(inner_bitmap,
+                                  pixel_shader=inner_palette,
+                                  x=20, y=20)
+splash.append(inner_sprite)
+
+# Draw some text the manual way!
+font_palette = displayio.Palette(2)
+font_palette.make_transparent(0)
+font_palette[1] = 0xFFFF00 # Yellow
+
+text_group = displayio.Group(max_size=20, scale=3, x=57, y=120)
+text = "Hello World!"
+x = 0
+
+for character in text:
+    glyph = terminalio.FONT.get_glyph(ord(character))
+    position_x = x + glyph.dx
+    position_y = 0 - round((glyph.height - glyph.dy) / 2) # Center text vertically
+    face = displayio.TileGrid(glyph.bitmap, pixel_shader=font_palette,
+                              default_tile=glyph.tile_index,
+                              tile_width=glyph.width, tile_height=glyph.height,
+                              x=position_x, y=position_y)
+    text_group.append(face)
+    x += glyph.shift_x
+
+splash.append(text_group)
+
+while True:
+    pass

examples/ili9341_simpletest.py

@@ -38,8 +38,8 @@
 inner_palette = displayio.Palette(1)
 inner_palette[0] = 0x65328F # Blinka Purple
 inner_sprite = displayio.TileGrid(inner_bitmap,
-                               pixel_shader=inner_palette,
-                               x=20, y=20)
+                                  pixel_shader=inner_palette,
+                                  x=20, y=20)
 splash.append(inner_sprite)
 
 # Draw some text the manual way!