rick/LEDMatrix
1
0
Fork 0
mirror of https://github.com/ChuckBuilds/LEDMatrix.git synced 2026-04-10 13:02:59 +00:00
Code Issues Packages Projects Releases Wiki Activity

Display Manager improvements: 1) Update BDF font handling to use passed font 2) Fix font selection in _draw_bdf_text method

Browse Source
This commit is contained in:
ChuckBuilds
2025-04-25 10:45:18 -05:00
parent f3dff7431c
commit 5ef851678e
1 changed files with 10 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
src/display_manager.py
View File

@@ -140,11 +140,11 @@ class DisplayManager:
except Exception as e:
logger.error(f"Error clearing display: {e}")
def _draw_bdf_text(self, text, x, y, color=(255, 255, 255)):
def _draw_bdf_text(self, text, x, y, color=(255, 255, 255), font=None):
"""Draw text using BDF font with proper bitmap handling."""
try:
# Use the existing calendar_font instead of creating a new Face
face = self.calendar_font
# Use the passed font or fall back to calendar_font
face = font if font else self.calendar_font
for char in text:
face.load_char(char)
@@ -250,17 +250,7 @@ class DisplayManager:
# Calculate x position if not provided (center text)
if x is None:
if isinstance(current_font, ImageFont.FreeTypeFont):
# For TTF fonts, use textlength
text_width = self.draw.textlength(text, font=current_font)
else:
# For BDF fonts, use freetype to calculate width
face = freetype.Face(self.calendar_font_path)
width = 0
for char in text:
face.load_char(char)
width += face.glyph.advance.x >> 6
text_width = width
text_width = self.get_text_width(text, current_font)
x = (self.matrix.width - text_width) // 2
# Set default y position if not provided
@@ -269,10 +259,15 @@ class DisplayManager:
# Draw the text
if isinstance(current_font, freetype.Face):
self._draw_bdf_text(text, x, y, color)
# For BDF fonts, use _draw_bdf_text
self._draw_bdf_text(text, x, y, color, current_font)
else:
# For TTF fonts, use PIL's text drawing
self.draw.text((x, y), text, font=current_font, fill=color)
# Update the display to show the text
self.update_display()
except Exception as e:
logger.error(f"Error drawing text: {e}", exc_info=True)