IQ.Pilot Release Commit @ 0798119

system/ui/lib/text_measure.py

@@ -0,0 +1,36 @@
+import pyray as rl
+from openpilot.system.ui.lib.application import FONT_SCALE, font_fallback
+from openpilot.system.ui.lib.emoji import find_emoji
+
+_cache: dict[int, rl.Vector2] = {}
+
+
+def measure_text_cached(font: rl.Font, text: str, font_size: int, spacing: float = 0) -> rl.Vector2:
+  """Caches text measurements to avoid redundant calculations."""
+  font = font_fallback(font)
+  spacing = round(spacing, 4)
+  key = hash((font.texture.id, text, font_size, spacing))
+  if key in _cache:
+    return _cache[key]
+
+  # Measure normal characters without emojis, then add standard width for each found emoji
+  emoji = find_emoji(text)
+  if emoji:
+    non_emoji_text = ""
+    last_index = 0
+    for start, end, _ in emoji:
+      non_emoji_text += text[last_index:start]
+      last_index = end
+    non_emoji_text += text[last_index:]
+  else:
+    non_emoji_text = text
+
+  result = rl.measure_text_ex(font, non_emoji_text, font_size * FONT_SCALE, spacing)  # noqa: TID251
+  if emoji:
+    result.x += len(emoji) * font_size * FONT_SCALE
+    # If just emoji assume a single line height
+    if result.y == 0:
+      result.y = font_size * FONT_SCALE
+
+  _cache[key] = result
+  return result