Merge pull request #9 from makermelissa/master

Updated examples to include more drawing

Author: makermelissa

examples/ili9341_shield_simpletest.py

@@ -1,11 +1,13 @@
 """
-This test will initialize the display using displayio
-and draw a solid red background. Pinouts are for the 2.8"
-TFT Shield
-"""
+This test will initialize the display using displayio and draw a solid green
+background, a smaller purple rectangle, and some yellow text.
 
+Pinouts are for the 2.8" TFT Shield
+"""
 import board
 import displayio
+import terminalio
+from adafruit_display_text import label
 import adafruit_ili9341
 
 spi = board.SPI()
@@ -14,21 +16,38 @@
 
 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] = 0xFF0000
+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 a label
+text_group = displayio.Group(max_size=10, scale=3, x=57, y=120)
+text = "Hello World!"
+text_area = label.Label(terminalio.FONT, text=text, color=0xFFFF00)
+text_group.append(text_area) # Subgroup gor text scaling
+splash.append(text_group)
+
 while True:
     pass

examples/ili9341_simpletest.py

@@ -1,11 +1,14 @@
 """
-This test will initialize the display using displayio
-and draw a solid red background. The default pinouts are
-for the 2.4" TFT FeatherWing with a Feather M4 or M0.
-"""
+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 2.4" TFT FeatherWing with a Feather M4 or M0.
+"""
 import board
 import displayio
+import terminalio
+from adafruit_display_text import label
 import adafruit_ili9341
 
 spi = board.SPI()
@@ -14,21 +17,38 @@
 
 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] = 0xFF0000
+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 a label
+text_group = displayio.Group(max_size=10, scale=3, x=57, y=120)
+text = "Hello World!"
+text_area = label.Label(terminalio.FONT, text=text, color=0xFFFF00)
+text_group.append(text_area) # Subgroup gor text scaling
+splash.append(text_group)
+
 while True:
     pass