From b9641389d000ab91ef777f6fec3b6db1964e4442 Mon Sep 17 00:00:00 2001
From: Chuck <33324927+ChuckBuilds@users.noreply.github.com>
Date: Mon, 7 Apr 2025 20:54:53 -0500
Subject: [PATCH] Flicker adjustments and text padding

---
 config/config.json     | 10 +++++-----
 src/display_manager.py | 12 ++++++++----
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/config/config.json b/config/config.json
index 3ffdea7c..9f73d095 100644
--- a/config/config.json
+++ b/config/config.json
@@ -11,19 +11,19 @@
             "cols": 64,
             "chain_length": 2,
             "parallel": 1,
-            "brightness": 50,
+            "brightness": 60,
             "hardware_mapping": "adafruit-hat-pwm",
             "scan_mode": "progressive",
-            "pwm_bits": 11,
-            "pwm_dither_bits": 0,
+            "pwm_bits": 8,
+            "pwm_dither_bits": 1,
             "pwm_lsb_nanoseconds": 130,
             "disable_hardware_pulsing": true,
             "inverse_colors": false,
             "show_refresh_rate": false,
-            "limit_refresh_rate_hz": 0
+            "limit_refresh_rate_hz": 100
         },
         "runtime": {
-            "gpio_slowdown": 4
+            "gpio_slowdown": 2
         },
         "rotation_interval": 30
     },
diff --git a/src/display_manager.py b/src/display_manager.py
index 0a138adc..5e3bd38a 100644
--- a/src/display_manager.py
+++ b/src/display_manager.py
@@ -23,8 +23,8 @@ class DisplayManager:
             self.config = config
             logger.info("Initializing DisplayManager with config: %s", config)
             self._setup_matrix()  # This now sets self.matrix
-            # Use a smaller font size for better fitting
-            self.font = ImageFont.truetype("DejaVuSans.ttf", 16)
+            # Use an even smaller font size for better fitting
+            self.font = ImageFont.truetype("DejaVuSans.ttf", 12)
             self.image = Image.new('RGB', (self.matrix.width, self.matrix.height))
             self.draw = ImageDraw.Draw(self.image)
             DisplayManager._initialized = True
@@ -89,6 +89,7 @@ class DisplayManager:
         line_widths = []
         total_height = 0
         max_width = 0
+        padding = 2  # Add padding between lines
         
         for line in lines:
             bbox = self.draw.textbbox((0, 0), line, font=self.font)
@@ -97,7 +98,10 @@ class DisplayManager:
             line_heights.append(line_height)
             line_widths.append(line_width)
             total_height += line_height
-            max_width = max(max_width, line_width)
+        
+        # Add padding between lines
+        if len(lines) > 1:
+            total_height += padding * (len(lines) - 1)
         
         # Calculate starting Y position to center all lines vertically
         if y is None:
@@ -114,7 +118,7 @@ class DisplayManager:
                 
             logger.info(f"Drawing line '{line}' at position ({line_x}, {current_y})")
             self.draw.text((line_x, current_y), line, font=self.font, fill=color)
-            current_y += line_heights[i]
+            current_y += line_heights[i] + padding
         
         self.matrix.SetImage(self.image)