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Fix font initialization: Add regular_font to DisplayManager

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ChuckBuilds
2025-04-11 11:46:53 -05:00
parent 8405b85aca
commit 0422da66c6
1 changed files with 23 additions and 27 deletions
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50
src/display_manager.py
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@@ -36,18 +36,18 @@ class DisplayManager:
options.parallel = hardware_config.get('parallel', 1)
options.hardware_mapping = hardware_config.get('hardware_mapping', 'adafruit-hat-pwm')
# Balance performance and stability
# Optimize display settings for chained panels
options.brightness = 100
options.pwm_bits = 10 # Increased from 8 for better color depth
options.pwm_lsb_nanoseconds = 150 # Increased for better stability
options.pwm_bits = 11
options.pwm_lsb_nanoseconds = 200 # Increased for better stability
options.led_rgb_sequence = 'RGB'
options.pixel_mapper_config = ''
options.row_address_type = 0
options.multiplexing = 0
options.disable_hardware_pulsing = False # Re-enable hardware pulsing for stability
options.disable_hardware_pulsing = False # Enable hardware pulsing for better sync
options.show_refresh_rate = False
options.limit_refresh_rate_hz = 90 # Reduced from 120Hz for better stability
options.gpio_slowdown = 2 # Increased for better stability
options.limit_refresh_rate_hz = 60 # Reduced refresh rate for stability
options.gpio_slowdown = 2 # Increased slowdown for better stability
# Initialize the matrix
self.matrix = RGBMatrix(options=options)
@@ -91,14 +91,17 @@ class DisplayManager:
def update_display(self):
"""Update the display using double buffering with proper sync."""
try:
# Copy the current image to the offscreen canvas
# Copy the current image to the offscreen canvas
self.offscreen_canvas.SetImage(self.image)
# Swap buffers immediately
self.matrix.SwapOnVSync(self.offscreen_canvas, False)
# Wait for the next vsync before swapping
self.matrix.SwapOnVSync(self.offscreen_canvas)
# Swap our canvas references
self.offscreen_canvas, self.current_canvas = self.current_canvas, self.offscreen_canvas
# Small delay to ensure stable refresh
time.sleep(0.001)
except Exception as e:
logger.error(f"Error updating display: {e}")
@@ -119,32 +122,25 @@ class DisplayManager:
logger.error(f"Error clearing display: {e}")
def _load_fonts(self):
"""Load fonts optimized for LED matrix display."""
"""Load fonts with proper error handling."""
try:
# Use Press Start 2P font - perfect for LED matrix displays
font_path = "assets/fonts/PressStart2P-Regular.ttf"
# Load regular font (Press Start 2P)
self.regular_font = ImageFont.truetype("assets/fonts/PressStart2P-Regular.ttf", 10)
logger.info("Regular font loaded successfully")
# For 32px height matrix, optimized sizes for pixel-perfect display
large_size = 10 # Large text for time and main info
small_size = 8 # Small text for secondary information
# Load small font (Press Start 2P at smaller size)
self.small_font = ImageFont.truetype("assets/fonts/PressStart2P-Regular.ttf", 8)
logger.info("Small font loaded successfully")
try:
self.font = ImageFont.truetype(font_path, large_size)
self.small_font = ImageFont.truetype(font_path, small_size)
logger.info(f"Loaded Press Start 2P font: {font_path} (large: {large_size}px, small: {small_size}px)")
except Exception as e:
logger.warning(f"Failed to load Press Start 2P font, falling back to default: {e}")
self.font = ImageFont.load_default()
self.small_font = ImageFont.load_default()
except Exception as e:
logger.error(f"Error in font loading: {e}")
self.font = ImageFont.load_default()
self.small_font = self.font
# Fallback to default font
self.regular_font = ImageFont.load_default()
self.small_font = self.regular_font
def draw_text(self, text: str, x: int = None, y: int = None, color: Tuple[int, int, int] = (255, 255, 255), small_font: bool = False) -> None:
"""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.regular_font
# Get text dimensions including ascenders and descenders
bbox = self.draw.textbbox((0, 0), text, font=font)