add antialias example, move fonts dir into examples.

examples/display_text_antialias_lvfont_example.py

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+# SPDX-FileCopyrightText: 2026 Tim Cocks for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
+"""
+Expanded example demonstrating LVGL-format fonts with multiple bpp values.
+
+This script shows font samples and labels for 8bpp, 4bpp, 2bpp, and 1bpp
+fonts. Update the font filenames below to match what is on your CIRCUITPY
+drive.
+"""
+
+import supervisor
+import terminalio
+from adafruit_bitmap_font import bitmap_font
+from displayio import Bitmap, Group, Palette, TileGrid
+
+from adafruit_display_text.bitmap_label import Label
+
+display = supervisor.runtime.display
+
+FONT_SAMPLES = [
+    {
+        "label": "8bpp",
+        "font_file": "fonts/goudy_bookletter_1911_20px_8bit.bin",
+        "bpp": 8,
+    },
+    {
+        "label": "4bpp",
+        "font_file": "fonts/goudy_bookletter_1911_20px_4bit.bin",
+        "bpp": 4,
+    },
+    {
+        "label": "2bpp",
+        "font_file": "fonts/goudy_bookletter_1911_20px_2bit.bin",
+        "bpp": 2,
+    },
+    {
+        "label": "1bpp",
+        "font_file": "fonts/goudy_bookletter_1911_20px_1bit.bin",
+        "bpp": 1,
+    },
+]
+
+SAMPLE_TEXT = "The quick brown fox 123"
+
+
+def make_gradient_palette(start_color: int, end_color: int, count: int) -> Palette:
+    if count <= 0:
+        raise ValueError("count must be > 0")
+    palette = Palette(count)
+
+    sr, sg, sb = (start_color >> 16) & 0xFF, (start_color >> 8) & 0xFF, start_color & 0xFF
+    er, eg, eb = (end_color >> 16) & 0xFF, (end_color >> 8) & 0xFF, end_color & 0xFF
+
+    for i in range(count):
+        if count == 1:
+            r, g, b = sr, sg, sb
+        else:
+            t = i / (count - 1)
+            r = int(sr + (er - sr) * t)
+            g = int(sg + (eg - sg) * t)
+            b = int(sb + (eb - sb) * t)
+        palette[i] = (r << 16) | (g << 8) | b
+
+    return palette
+
+
+def load_font(font_file: str, label: str):
+    font = bitmap_font.load_font(font_file)
+    print(f"Loaded {label} font from {font_file}")
+    return font
+
+
+main_group = Group()
+
+# white background
+bg_group = Group(scale=8)
+bg_bmp = Bitmap(display.width // 8, display.height // 8, 1)
+bg_palette = Palette(1)
+bg_palette[0] = 0xFFFFFF
+bg_tg = TileGrid(bg_bmp, pixel_shader=bg_palette)
+bg_group.append(bg_tg)
+main_group.append(bg_group)
+
+# font samples and labels
+x_label = 10
+x_sample = 70
+y_cursor = 10
+line_spacing = 8
+
+for entry in FONT_SAMPLES:
+    font = load_font(entry["font_file"], entry["label"])
+
+    label = Label(terminalio.FONT, text=entry["label"], color=0x000000, scale=2)
+    label.anchor_point = (0, 0)
+    label.anchored_position = (x_label, y_cursor)
+    main_group.append(label)
+
+    if entry["bpp"] > 1:
+        palette = make_gradient_palette(0xFFFFFF, 0x000000, 2 ** entry["bpp"])
+        sample = Label(font, text=SAMPLE_TEXT, color_palette=palette)
+    else:
+        sample = Label(font, text=SAMPLE_TEXT, background_color=0xFFFFFF, color=0x000000)
+
+    sample.anchor_point = (0, 0)
+    sample.anchored_position = (x_sample, y_cursor)
+    main_group.append(sample)
+
+    try:
+        _, bbox_height, _, _ = font.get_bounding_box()
+        line_height = bbox_height
+    except AttributeError:
+        line_height = 24
+
+    y_cursor += max(line_height, 20) + line_spacing
+
+
+display.root_group = main_group
+
+while True:
+    pass

examples/fonts/goudy_bookletter_1911_20px_1bit.bin.license

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+# SPDX-FileCopyrightText: 2009, Barry Schwartz, with Reserved Font Name OFL "Goudy Bookletter 1911"
+
+# SPDX-License-Identifier: OFL-1.1

examples/fonts/goudy_bookletter_1911_20px_2bit.bin.license

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+# SPDX-FileCopyrightText: 2009, Barry Schwartz, with Reserved Font Name OFL "Goudy Bookletter 1911"
+
+# SPDX-License-Identifier: OFL-1.1

examples/fonts/goudy_bookletter_1911_20px_4bit.bin.license

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+# SPDX-FileCopyrightText: 2009, Barry Schwartz, with Reserved Font Name OFL "Goudy Bookletter 1911"
+
+# SPDX-License-Identifier: OFL-1.1

examples/fonts/goudy_bookletter_1911_20px_8bit.bin.license

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+# SPDX-FileCopyrightText: 2009, Barry Schwartz, with Reserved Font Name OFL "Goudy Bookletter 1911"
+
+# SPDX-License-Identifier: OFL-1.1