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font detection for music font placement

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Chuck
2025-07-24 15:59:24 -05:00
parent fcc8c10c2b
commit e8d2408477
1 changed files with 25 additions and 11 deletions
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36
src/music_manager.py
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@@ -748,17 +748,32 @@ class MusicManager:
font_title = self.display_manager.small_font
font_artist_album = self.display_manager.bdf_5x7_font
# Helper function to handle different font types, as you requested
def get_line_height(font):
if hasattr(font, 'getmetrics'):
ascent, descent = font.getmetrics()
return ascent + descent
else:
# Fallback for BDF fonts using the display manager's method
return self.display_manager.get_font_height(font)
# Dynamic line heights
line_height_title = get_line_height(font_title)
line_height_artist_album = get_line_height(font_artist_album)
padding_between_lines = 1
# Y positions based on font metrics, adapted for top-down rendering
y_pos_title_top = 2
y_pos_artist_top = y_pos_title_top + line_height_title + padding_between_lines
y_pos_album_top = y_pos_artist_top + line_height_artist_album + padding_between_lines
# Dynamically calculate line heights and positions
line_height_title = self.display_manager.get_font_height(font_title)
line_height_artist_album = self.display_manager.get_font_height(font_artist_album)
padding_between_lines = 2 # User requested 2 pixels between lines
# Local offset to counteract the hardcoded `y+=6` in _draw_bdf_text
bdf_y_offset = -4
TEXT_SCROLL_DIVISOR = 5
# --- Title ---
y_pos_title_top = 1 # Position title 1px from the top
title_width = self.display_manager.get_text_width(title, font_title)
current_title_display_text = title
if title_width > text_area_width:
@@ -778,7 +793,6 @@ class MusicManager:
self.title_scroll_tick = 0
# --- Artist ---
y_pos_artist = y_pos_title_top + line_height_title + padding_between_lines
artist_width = self.display_manager.get_text_width(artist, font_artist_album)
current_artist_display_text = artist
if artist_width > text_area_width:
@@ -787,7 +801,7 @@ class MusicManager:
current_artist_display_text = artist[self.scroll_position_artist:] + " " + artist[:self.scroll_position_artist]
self.display_manager.draw_text(current_artist_display_text,
x=text_area_x_start, y=y_pos_artist, color=(180, 180, 180), font=font_artist_album)
x=text_area_x_start, y=y_pos_artist_top + bdf_y_offset, color=(180, 180, 180), font=font_artist_album)
if artist_width > text_area_width:
self.artist_scroll_tick += 1
if self.artist_scroll_tick % TEXT_SCROLL_DIVISOR == 0:
@@ -798,14 +812,14 @@ class MusicManager:
self.artist_scroll_tick = 0
# --- Album ---
y_pos_album = y_pos_artist + line_height_artist_album + padding_between_lines
y_pos_album = y_pos_album_top
if (matrix_height - y_pos_album) >= line_height_artist_album :
album_width = self.display_manager.get_text_width(album, font_artist_album)
# Display album if it fits or can be scrolled (maintains original behavior but adds scrolling)
if album_width <= text_area_width:
# Album fits without scrolling - display normally
self.display_manager.draw_text(album,
x=text_area_x_start, y=y_pos_album, color=(150, 150, 150), font=font_artist_album)
x=text_area_x_start, y=y_pos_album + bdf_y_offset, color=(150, 150, 150), font=font_artist_album)
self.scroll_position_album = 0
self.album_scroll_tick = 0
elif album_width > text_area_width:
@@ -816,7 +830,7 @@ class MusicManager:
current_album_display_text = album[self.scroll_position_album:] + " " + album[:self.scroll_position_album]
self.display_manager.draw_text(current_album_display_text,
x=text_area_x_start, y=y_pos_album, color=(150, 150, 150), font=font_artist_album)
x=text_area_x_start, y=y_pos_album + bdf_y_offset, color=(150, 150, 150), font=font_artist_album)
self.album_scroll_tick += 1
if self.album_scroll_tick % TEXT_SCROLL_DIVISOR == 0:
self.scroll_position_album = (self.scroll_position_album + 1) % len(album)