rick/LEDMatrix
1
0
Fork 0
mirror of https://github.com/ChuckBuilds/LEDMatrix.git synced 2026-04-10 21:03:01 +00:00
Code Issues Packages Projects Releases Wiki Activity

address bitmap baseline in text rednering

Browse Source
This commit is contained in:
Chuck
2025-07-23 11:09:55 -05:00
parent db11b2be27
commit 4e7c5b0d1b
1 changed files with 7 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/of_the_day_manager.py
View File

@@ -171,15 +171,14 @@ class OfTheDayManager:
for char in text: for char in text:
face.load_char(char) face.load_char(char)
bitmap = face.glyph.bitmap bitmap = face.glyph.bitmap
# Adjust y position to account for BDF baseline # Use direct positioning without bitmap_top offset
baseline_offset = face.glyph.bitmap_top
for i in range(bitmap.rows): for i in range(bitmap.rows):
for j in range(bitmap.width): for j in range(bitmap.width):
byte_index = i * bitmap.pitch + (j // 8) byte_index = i * bitmap.pitch + (j // 8)
if byte_index < len(bitmap.buffer): if byte_index < len(bitmap.buffer):
byte = bitmap.buffer[byte_index] byte = bitmap.buffer[byte_index]
if byte & (1 << (7 - (j % 8))): if byte & (1 << (7 - (j % 8))):
draw.point((x + j, y + baseline_offset + i), fill=color) draw.point((x + j, y + i), fill=color)
x += face.glyph.advance.x >> 6 x += face.glyph.advance.x >> 6
return x - orig_x return x - orig_x
@@ -193,10 +192,11 @@ class OfTheDayManager:
matrix_height = self.display_manager.matrix.height matrix_height = self.display_manager.matrix.height
title_face = self.title_face title_face = self.title_face
body_face = self.body_face body_face = self.body_face
# Get font heights for BDF (bitmap) fonts
# Get font heights and set consistent positioning
title_height = title_face.height title_height = title_face.height
body_height = body_face.height body_height = body_face.height
# --- Draw Title (always at top, ic8x8u.bdf) --- # --- Draw Title (always at top, ic8x8u.bdf) ---
title_y = 0 # Start at top title_y = 0 # Start at top
self._draw_bdf_text(draw, title_face, title, 1, title_y, color=self.title_color) self._draw_bdf_text(draw, title_face, title, 1, title_y, color=self.title_color)
@@ -209,12 +209,12 @@ class OfTheDayManager:
title_width = title_width // 64 title_width = title_width // 64
# Underline below title # Underline below title
underline_y = title_height + 1 # Just below the title underline_y = title_height # Just below the title
draw.line([(1, underline_y), (1 + title_width, underline_y)], fill=self.title_color, width=1) draw.line([(1, underline_y), (1 + title_width, underline_y)], fill=self.title_color, width=1)
# --- Draw Subtitle or Description (rotating, cozette.bdf) --- # --- Draw Subtitle or Description (rotating, cozette.bdf) ---
# Start subtitle/description below the title with proper spacing # Start subtitle/description below the title with proper spacing
y_start = title_height + 3 # Leave space between title and subtitle y_start = title_height + 2 # Leave space between title and subtitle
available_height = matrix_height - y_start available_height = matrix_height - y_start
available_width = matrix_width - 2 available_width = matrix_width - 2