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Stocks (#2)
* Opening Bell Introducing the Stock Ticker Feature * Update stock_manager.py Assume folder exists * Update stock_manager.py removing logos to focus on function for now * Update stock_manager.py parse yahoo scripts * Update stock_manager.py stock query update * Update stock_manager.py slow down stock display * Update display_controller.py adjust screen flow * Update stock_manager.py shipping features * Update stock_manager.py stock refresh in the background * Customize Display timings customize display timings * Update stock_manager.py stock font size change * Sizing and Spacing CHanged font sizing on chart and clock spacing * Update clock.py Date format changes * Update stock_manager.py actually read stocks from config file * Update stock_manager.py add config manager * readme update readme update and formatting for better flow * Update .gitignore rename reference folder * Update config.json changed default stocks to test update implementation * Stock News Stock news Ticker * Update config.json increase scroll speed * Scroll Performance Tuning news scrolling performance * updating scroll direction orienting scroll direction * News tuning removed test files and increased scroll speed * Create test_news_manager.py need a test script to call upon * Update test_news_manager.py test script tuning * troubleshooting test script * Update test_news_manager.py * Update config.json scroll speed increases * Update config.json scroll tuning * Update config.json speeding up * Update config.json still making text faster * Update config.json Trying to tune scrolling * Update config.json testing crazy parameters * Update test_news_manager.py remove sleep delay * scroll tuning scroll tuning * scroll logging and debugging FPS counter and debug messages * Update config.json matrix speed tuning * Update news_manager.py News separator * Update news_manager.py separator character change * Stock News manager Rename rename stock news ticker to enable other news in the future * Update display_controller.py load config update * Update stock_manager.py remove redundant import * Stock news settings Stock news has more granular control * Stock news joins the lineup Stock News added to the display controller and drawing display instead of image * Optimize scrolling text performance for news ticker * Adjust matrix settings to reduce artifacting while maintaining performance * changed float to integer * Fix news ticker performance with simplified scrolling mechanism * Fix stock news scrolling in test environment: - Optimize display manager settings for smooth scrolling - Add proper display initialization and cleanup in test script - Implement timing control to prevent display buffer overflow - Ensure consistent 1ms delay between updates for smooth scrolling * Optimize stock news scrolling for better performance: - Use pre-rendered text image for efficient scrolling - Implement cropping and pasting for smoother animation - Remove unnecessary display operations and delays * Optimize stock news display performance: - Cache text image to reduce rendering overhead - Improve frame creation and update logic - Optimize text wrapping for smoother scrolling - Remove unnecessary display clears * Optimize stock news display in controller: - Remove global sleep delay - Allow news display to run at full speed - Keep slower update rates for other displays --------- Signed-off-by: Chuck <33324927+ChuckBuilds@users.noreply.github.com>
This commit is contained in:
Chuck
@@ -26,6 +26,9 @@ class StockNewsManager:
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self.news_data = {}
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self.current_news_group = 0 # Track which group of headlines we're showing
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self.scroll_position = 0
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self.cached_text_image = None # Cache for the text image
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self.cached_text = None # Cache for the text string
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# Get scroll settings from config with faster defaults
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self.scroll_speed = self.stock_news_config.get('scroll_speed', 1)
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@@ -205,39 +208,60 @@ class StockNewsManager:
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separator = " - " # Visual separator between news items
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news_text = separator.join(news_texts)
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# Clear the display
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self.display_manager.clear()
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# Only create new text image if the text has changed
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if news_text != self.cached_text:
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self.cached_text = news_text
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self.cached_text_image = self._create_text_image(news_text)
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self.scroll_position = 0 # Reset scroll position for new text
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# Calculate text width for scrolling
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bbox = self.display_manager.draw.textbbox((0, 0), news_text, font=self.display_manager.small_font)
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text_width = bbox[2] - bbox[0]
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# Calculate scroll position
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if not self.cached_text_image:
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return
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text_width = self.cached_text_image.width
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text_height = self.cached_text_image.height
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display_width = self.display_manager.matrix.width
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total_width = text_width + display_width
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# Update scroll position
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self.scroll_position = (self.scroll_position + self.scroll_speed) % total_width
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# Draw the text at the current scroll position
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self.display_manager.draw_text(
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news_text,
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x=display_width - self.scroll_position,
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y=None, # Center vertically
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color=(255, 255, 255),
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small_font=True
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)
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# Update the display
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self.display_manager.update_display()
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# Calculate the visible portion of the text
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visible_width = min(display_width, text_width - self.scroll_position)
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if visible_width > 0:
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# Create a new blank image for this frame
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frame_image = Image.new('RGB', (display_width, text_height), (0, 0, 0))
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# Crop and paste in one operation
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if self.scroll_position + visible_width <= text_width:
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# Normal case - text is still scrolling in
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visible_portion = self.cached_text_image.crop((
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self.scroll_position, 0,
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self.scroll_position + visible_width, text_height
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))
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frame_image.paste(visible_portion, (0, 0))
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else:
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# Wrapping case - text is wrapping around
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first_part_width = text_width - self.scroll_position
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first_part = self.cached_text_image.crop((
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self.scroll_position, 0,
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text_width, text_height
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))
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second_part = self.cached_text_image.crop((
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0, 0,
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visible_width - first_part_width, text_height
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))
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frame_image.paste(first_part, (0, 0))
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frame_image.paste(second_part, (first_part_width, 0))
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# Update the display with the new frame
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self.display_manager.image = frame_image
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self.display_manager.update_display()
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# If we've completed a full scroll, move to the next group
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if self.scroll_position == 0:
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self.current_news_group = (self.current_news_group + 1) % ((total_headlines + headlines_per_rotation - 1) // headlines_per_rotation)
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# Small delay to control scroll speed
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time.sleep(self.scroll_delay)
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# Log frame rate
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self._log_frame_rate()
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