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Stock news joins the lineup

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Stock News added to the display controller and drawing display instead of image
This commit is contained in:
Chuck
2025-04-10 21:23:54 -05:00
parent 5be0d59d7e
commit 7925bf515b
3 changed files with 70 additions and 30 deletions
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40
src/stock_news_manager.py
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@@ -205,36 +205,40 @@ class StockNewsManager:
separator = " - " # Visual separator between news items
news_text = separator.join(news_texts)
# Create and display the scrolling text image
text_image = self._create_text_image(news_text)
# Clear the display
self.display_manager.clear()
# Calculate total scroll width
total_width = text_image.width + self.display_manager.matrix.width
# Calculate text width for scrolling
bbox = self.display_manager.draw.textbbox((0, 0), news_text, font=self.display_manager.small_font)
text_width = bbox[2] - bbox[0]
# Calculate scroll position
display_width = self.display_manager.matrix.width
total_width = text_width + display_width
# Update scroll position
self.scroll_position = (self.scroll_position + self.scroll_speed) % total_width
# Create a new black image for the display
display_image = Image.new('RGB', (self.display_manager.matrix.width, self.display_manager.matrix.height))
# Draw the text at the current scroll position
self.display_manager.draw_text(
news_text,
x=display_width - self.scroll_position,
y=None, # Center vertically
color=(255, 255, 255),
small_font=True
)
# Paste the appropriate portion of the text image
display_image.paste(text_image, (-self.scroll_position, 0))
# If we've wrapped around, paste the beginning of the text again
if self.scroll_position + self.display_manager.matrix.width > text_image.width:
display_image.paste(text_image, (text_image.width - self.scroll_position, 0))
# Display the image
self.display_manager.display_image(display_image)
# Update the display
self.display_manager.update_display()
# If we've completed a full scroll, move to the next group
if self.scroll_position == 0:
self.current_news_group = (self.current_news_group + 1) % ((total_headlines + headlines_per_rotation - 1) // headlines_per_rotation)
# Log frame rate
self._log_frame_rate()
# Small delay to control scroll speed
time.sleep(self.scroll_delay)
# Log frame rate
self._log_frame_rate()
return True