IQ.Pilot Release Commit @ b6534c0

iqpilot/system/ui/lib/emoji.py

@@ -0,0 +1,67 @@
+import io
+import re
+
+from PIL import Image, ImageDraw, ImageFont
+import pyray as rl
+
+from iqpilot.system.ui.lib.application import FONT_DIR
+
+_emoji_font: ImageFont.FreeTypeFont | None = None
+_cache: dict[str, rl.Texture] = {}
+
+EMOJI_REGEX = re.compile(
+"""[\U0001F600-\U0001F64F
+\U0001F300-\U0001F5FF
+\U0001F680-\U0001F6FF
+\U0001F1E0-\U0001F1FF
+\U00002700-\U000027BF
+\U0001F900-\U0001F9FF
+\U00002600-\U000026FF
+\U00002300-\U000023FF
+\U00002B00-\U00002BFF
+\U0001FA70-\U0001FAFF
+\U0001F700-\U0001F77F
+\u2640-\u2642
+\u2600-\u2B55
+\u200d
+\u23cf
+\u23e9
+\u231a
+\ufe0f
+\u3030
+]+""".replace("\n", ""),
+  flags=re.UNICODE
+)
+
+_emoji_font_loaded = False
+
+def _load_emoji_font() -> ImageFont.FreeTypeFont | None:
+  global _emoji_font, _emoji_font_loaded
+  if not _emoji_font_loaded:
+    _emoji_font_loaded = True
+    try:
+      # FONT_DIR is an importlib.resources path. Inside the setup zipapp it points into the archive,
+      # so str() yields a path through the .zip that PIL can't open ("cannot open resource"). Read
+      # the bytes and hand PIL a file object so it works both on disk and inside the zipapp.
+      _emoji_font = ImageFont.truetype(io.BytesIO(FONT_DIR.joinpath("NotoColorEmoji.ttf").read_bytes()), 109)
+    except Exception:
+      _emoji_font = None  # never crash the whole UI over an emoji glyph
+  return _emoji_font
+
+def find_emoji(text):
+  return [(m.start(), m.end(), m.group()) for m in EMOJI_REGEX.finditer(text)]
+
+def emoji_tex(emoji):
+  if emoji not in _cache:
+    font = _load_emoji_font()
+    if font is None:
+      return None
+    img = Image.new("RGBA", (128, 128), (0, 0, 0, 0))
+    draw = ImageDraw.Draw(img)
+    draw.text((0, 0), emoji, font=font, embedded_color=True)
+    with io.BytesIO() as buffer:
+      img.save(buffer, format="PNG")
+      l = buffer.tell()
+      buffer.seek(0)
+      _cache[emoji] = rl.load_texture_from_image(rl.load_image_from_memory(".png", buffer.getvalue(), l))
+  return _cache.get(emoji)