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Update display_manager.py

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remove bitmap and go back to a font. Bitmap was too bold
This commit is contained in:
Chuck
2025-04-08 18:56:44 -05:00
parent bdb923ef88
commit 1678c6fdba
1 changed files with 27 additions and 9 deletions
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34
src/display_manager.py
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@@ -124,13 +124,23 @@ class DisplayManager:
def _load_fonts(self): def _load_fonts(self):
"""Load fonts optimized for LED matrix display.""" """Load fonts optimized for LED matrix display."""
try: try:
# Use the default bitmap font - it's actually great for LED matrices # Use DejaVu Sans with optimized sizes
self.font = ImageFont.load_default() matrix_height = self.matrix.height
self.small_font = ImageFont.load_default() # For 32px height matrix, use 16px for large text and 8px for small
logger.info("Using default bitmap font") large_size = 16 # Fixed size instead of percentage
small_size = 8 # Fixed size for better clarity
try:
self.font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", large_size)
self.small_font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", small_size)
logger.info(f"Using DejaVu Sans with sizes {large_size}px and {small_size}px")
except Exception as e:
logger.error(f"Failed to load DejaVu Sans: {e}")
self.font = ImageFont.load_default()
self.small_font = ImageFont.load_default()
except Exception as e: except Exception as e:
logger.error(f"Error loading fonts: {e}") logger.error(f"Error in font loading: {e}")
self.font = ImageFont.load_default() self.font = ImageFont.load_default()
self.small_font = self.font self.small_font = self.font
@@ -138,20 +148,28 @@ class DisplayManager:
"""Draw text on the display with improved clarity.""" """Draw text on the display with improved clarity."""
font = self.small_font if small_font else self.font font = self.small_font if small_font else self.font
# Get text dimensions for centering if x not specified # Get text dimensions including ascenders and descenders
bbox = self.draw.textbbox((0, 0), text, font=font) bbox = self.draw.textbbox((0, 0), text, font=font)
text_width = bbox[2] - bbox[0] text_width = bbox[2] - bbox[0]
text_height = bbox[3] - bbox[1] text_height = bbox[3] - bbox[1]
# Add padding to prevent cutoff
padding = 2
# Center text horizontally if x not specified # Center text horizontally if x not specified
if x is None: if x is None:
x = (self.matrix.width - text_width) // 2 x = (self.matrix.width - text_width) // 2
# Center text vertically if y not specified # Center text vertically if y not specified, with padding
if y is None: if y is None:
y = (self.matrix.height - text_height) // 2 y = (self.matrix.height - text_height) // 2
else:
# Ensure text doesn't get cut off at bottom
max_y = self.matrix.height - text_height - padding
y = min(y, max_y)
y = max(y, padding) # Ensure text doesn't get cut off at top
# Draw text at full brightness for maximum clarity # Draw text
self.draw.text((x, y), text, font=font, fill=color) self.draw.text((x, y), text, font=font, fill=color)
def draw_sun(self, x: int, y: int, size: int = 16): def draw_sun(self, x: int, y: int, size: int = 16):