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improved rotation logic and trying to fix desenders on glyphs

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Chuck
2025-07-23 13:23:13 -05:00
parent e5046db928
commit 9b173f3ff2
1 changed files with 28 additions and 8 deletions
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36
src/of_the_day_manager.py
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@@ -175,10 +175,13 @@ class OfTheDayManager:
for char in text:
face.load_char(char)
bitmap = face.glyph.bitmap
# For bottom baseline alignment, we need to position glyphs so their bottoms align
# Handle descenders properly - characters like y, g, p, q should extend below baseline
# bitmap_top gives us the distance from baseline to top of bitmap
# For bottom alignment, we want the bottom of each glyph at the same y position
glyph_y = y - bitmap.rows
# For proper baseline alignment, we need to account for descenders
baseline_y = y
# Position glyph so its baseline is at the specified y position
# bitmap_top is the distance from baseline to top of bitmap
glyph_y = baseline_y + face.glyph.bitmap_top - bitmap.rows
for i in range(bitmap.rows):
for j in range(bitmap.width):
byte_index = i * bitmap.pitch + (j // 8)
@@ -317,7 +320,7 @@ class OfTheDayManager:
if self.current_category_index == original_index:
logger.warning("No categories have valid data, staying on current category")
else:
logger.info(f"Rotating from category index {original_index} to {self.current_category_index}")
logger.info(f"Internal rotation: from category index {original_index} to {self.current_category_index}")
logger.info(f"Available categories with data: {list(self.current_items.keys())}")
self.last_category_rotation_time = now
@@ -363,11 +366,28 @@ class OfTheDayManager:
return
# Only advance if internal rotation hasn't happened recently
# Add a buffer to prevent conflicts
if now - self.last_category_rotation_time < self.display_rotate_interval - 5:
logger.debug("Too close to internal rotation time, skipping external advance")
return
category_names = list(self.current_items.keys())
if not category_names:
return
self.current_category_index += 1
if self.current_category_index >= len(category_names):
self.current_category_index = 0
logger.debug(f"OfTheDayManager advanced to category index {self.current_category_index}")
# Advance to next category
original_index = self.current_category_index
self.current_category_index = (self.current_category_index + 1) % len(category_names)
# Update rotation time to prevent immediate internal rotation
self.last_category_rotation_time = now
# Reset subtitle/description rotation when switching category
self.rotation_state = 0
self.last_rotation_time = now
# Force redraw
self.last_drawn_category_index = -1
self.last_drawn_day = None
logger.debug(f"OfTheDayManager externally advanced from category index {original_index} to {self.current_category_index}")