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Update display_manager.py

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using bitmap display instead of fonts
This commit is contained in:
Chuck
2025-04-08 18:55:00 -05:00
parent 08bd347cc4
commit bdb923ef88
1 changed files with 6 additions and 52 deletions
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58
src/display_manager.py
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@@ -124,37 +124,10 @@ 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 DejaVu Sans Mono for better pixel alignment # Use the default bitmap font - it's actually great for LED matrices
font_paths = [ self.font = ImageFont.load_default()
"/usr/share/fonts/truetype/dejavu/DejaVuSansMono.ttf", # Primary choice - monospace self.small_font = ImageFont.load_default()
"/usr/share/fonts/truetype/dejavu/DejaVuSansMono-Bold.ttf", # Fallback 1 - bold mono logger.info("Using default bitmap font")
"/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf" # Final fallback
]
font_loaded = False
for font_path in font_paths:
try:
# Calculate optimal sizes for 32px height matrix
matrix_height = self.matrix.height
# For time display: use slightly smaller size for better clarity
large_size = int(0.4 * matrix_height) # Changed from 0.5 to 0.4
# For weather info: use height-optimized size
small_size = max(6, int(0.2 * matrix_height)) # Changed from 0.25 to 0.2
self.font = ImageFont.truetype(font_path, large_size)
self.small_font = ImageFont.truetype(font_path, small_size)
font_loaded = True
logger.info(f"Loaded font: {font_path} (large: {large_size}px, small: {small_size}px)")
break
except Exception as e:
logger.debug(f"Failed to load font {font_path}: {e}")
continue
if not font_loaded:
logger.warning("No TrueType fonts available, falling back to default bitmap font")
self.font = ImageFont.load_default()
self.small_font = self.font
except Exception as e: except Exception as e:
logger.error(f"Error loading fonts: {e}") logger.error(f"Error loading fonts: {e}")
@@ -177,27 +150,8 @@ class DisplayManager:
# Center text vertically if y not specified # Center text vertically if y not specified
if y is None: if y is None:
y = (self.matrix.height - text_height) // 2 y = (self.matrix.height - text_height) // 2
# Apply Y-axis correction based on font size # Draw text at full brightness for maximum clarity
if not small_font:
# For large font, adjust up slightly less
y -= int(self.matrix.height * 0.05) # Changed from 0.1 to 0.05
else:
# For small font, minimal adjustment
y += int(self.matrix.height * 0.02) # Changed from 0.05 to 0.02
# Reduce brightness more for larger text to prevent bleeding
if isinstance(color, tuple) and len(color) == 3:
r, g, b = color
if not small_font:
# Larger text needs more brightness reduction
factor = 0.75 # 25% reduction for large text
else:
# Smaller text can stay brighter
factor = 0.85 # 15% reduction for small text
color = (int(r * factor), int(g * factor), int(b * factor))
# Draw text with pixel-perfect alignment
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):