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https://github.com/ChuckBuilds/LEDMatrix.git
synced 2026-04-10 13:02:59 +00:00
programmatic changes to artist and album font
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@@ -261,6 +261,24 @@ class DisplayManager:
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logger.error(f"Error getting text width: {e}")
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return 0 # Return 0 as fallback
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def get_font_height(self, font):
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"""Get the height of the given font for line spacing purposes."""
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try:
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if isinstance(font, freetype.Face):
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# For FreeType faces (BDF), the 'height' metric gives the recommended line spacing.
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return font.size.height >> 6
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else:
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# For PIL TTF fonts, getmetrics() provides ascent and descent.
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# The line height is the sum of ascent and descent.
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ascent, descent = font.getmetrics()
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return ascent + descent
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except Exception as e:
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logger.error(f"Error getting font height for font type {type(font).__name__}: {e}")
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# Fallback for TTF font if getmetrics() fails, or for other font types.
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if hasattr(font, 'size'):
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return font.size
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return 8 # A reasonable default for an 8px font.
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def draw_text(self, text: str, x: int = None, y: int = None, color: tuple = (255, 255, 255),
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small_font: bool = False, font: ImageFont = None):
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"""Draw text on the canvas with optional font selection."""
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@@ -748,14 +748,28 @@ class MusicManager:
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font_title = self.display_manager.small_font
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font_artist_album = self.display_manager.bdf_5x7_font
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line_height_title = 8
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line_height_artist_album = 7
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padding_between_lines = 1
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# Dynamically calculate line heights and positions
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line_height_title = self.display_manager.get_font_height(font_title)
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line_height_artist_album = self.display_manager.get_font_height(font_artist_album)
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padding_between_lines = 1
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TEXT_SCROLL_DIVISOR = 5
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# --- Title ---
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y_pos_title = 2
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# Start title's baseline y_pos slightly lower to give it padding from the top.
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# The ascender gives the distance from the baseline to the top of the glyphs.
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try:
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# For TTF fonts, getbbox gives a tight bounding box.
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# We use it to find the height of the actual rendered pixels for the letter 'A'
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# and position the text based on that.
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title_ascent, _ = font_title.getmetrics()
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y_pos_title = title_ascent + 1 # Start 1 pixel below the top
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except AttributeError:
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# Fallback for BDF/other fonts that don't have getmetrics()
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y_pos_title = line_height_title
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title_width = self.display_manager.get_text_width(title, font_title)
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current_title_display_text = title
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if title_width > text_area_width:
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@@ -764,7 +778,7 @@ class MusicManager:
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current_title_display_text = title[self.scroll_position_title:] + " " + title[:self.scroll_position_title]
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self.display_manager.draw_text(current_title_display_text,
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x=text_area_x_start, y=y_pos_title, color=(255, 255, 255), font=font_title)
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x=text_area_x_start, y=y_pos_title - title_ascent, color=(255, 255, 255), font=font_title) # Adjust y for baseline
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if title_width > text_area_width:
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self.title_scroll_tick += 1
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if self.title_scroll_tick % TEXT_SCROLL_DIVISOR == 0:
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