Merge pull request #3082 from adafruit/TheKitty-patch-11

Create LVGL_Font_Terminal.py

Author: TheKitty

Fruit_Jam/CircuitPython_DVI_Video/LVGL_Font_Terminal.py

@@ -0,0 +1,57 @@
+# SPDX-FileCopyrightText: Copyright (c) 2025 Tim C for Adafruit Industries
+# SPDX-FileCopyrightText: Copyright (c) 2025 Anne Barela for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+#
+# Make a simple terminalio.Terminal using an LVGL .bin font
+# Shows use of required OnDiskFont function
+#
+import gc
+from terminalio import Terminal
+import displayio
+from lvfontio import OnDiskFont
+from adafruit_fruitjam.peripherals import request_display_config
+import supervisor
+
+# Use the easy library call to set the resolution
+request_display_config(640, 480)
+
+print(f"\nfree: {gc.mem_free()}")
+
+# Initialize display
+
+main_group = displayio.Group()
+display = supervisor.runtime.display
+display.root_group = main_group
+
+print(f"free: {gc.mem_free()}")
+
+font = OnDiskFont("fonts/cp437_16h.bin")  # LVGL .bin font
+
+char_size = font.get_bounding_box()
+print(f"Character size: {char_size}")
+screen_size = (display.width // char_size[0], display.height // char_size[1])
+print(f"Screen size: {screen_size}")
+
+terminal_palette = displayio.Palette(2)
+terminal_palette[0] = 0x000000
+terminal_palette[1] = 0xFFFFFF
+
+print(f"free: {gc.mem_free()}")
+terminal_area = displayio.TileGrid(
+    bitmap=font.bitmap,
+    width=screen_size[0],
+    height=screen_size[1],
+    tile_width=char_size[0],
+    tile_height=char_size[1],
+    pixel_shader=terminal_palette,
+)
+
+main_group.append(terminal_area)
+terminal = Terminal(terminal_area, font)
+
+message = " Hello World\n This is LVGL text\r\n "
+terminal.write(message)
+
+while True:
+    pass