change font test size

src/font_test_manager.py

@@ -1,5 +1,6 @@
 import os
 import time
+import freetype
 from PIL import Image, ImageDraw, ImageFont
 import logging
 from typing import Dict, Any
@@ -10,28 +11,65 @@ logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
 
 class FontTestManager:
-    """Manager for testing 5x7 regular TTF font."""
+    """Manager for testing fonts with easy BDF/TTF switching."""
     
     def __init__(self, config: Dict[str, Any], display_manager: DisplayManager):
         self.display_manager = display_manager
         self.config = config
-        self.font_path = "assets/fonts/5by7.regular.ttf"
         self.logger = logging.getLogger('FontTest')
         
+        # FONT CONFIGURATION - EASY SWITCHING
+        # Set to 'bdf' or 'ttf' to switch font types
+        self.font_type = 'bdf'  # Change this to 'ttf' to use TTF font
+        
+        # Font configurations
+        self.font_configs = {
+            'bdf': {
+                'path': "assets/fonts/5x7.bdf",
+                'display_name': "5x7 BDF",
+                'description': "5x7 BDF font"
+            },
+            'ttf': {
+                'path': "assets/fonts/5by7.regular.ttf",
+                'display_name': "5x7 Regular TTF",
+                'description': "5x7 regular TTF font"
+            }
+        }
+        
+        # Get current font configuration
+        self.current_config = self.font_configs[self.font_type]
+        self.font_path = self.current_config['path']
+        
         # Verify font exists
         if not os.path.exists(self.font_path):
             self.logger.error(f"Font file not found: {self.font_path}")
             raise FileNotFoundError(f"Font file not found: {self.font_path}")
         
-        # Load the TTF font with PIL
-        try:
-            self.font = ImageFont.truetype(self.font_path, 8)  # Size 7 for 5x7 font
-            self.logger.info(f"Successfully loaded 5x7 regular TTF font from {self.font_path}")
-        except Exception as e:
-            self.logger.error(f"Failed to load 5x7 TTF font: {e}")
-            raise
+        # Load the font based on type
+        if self.font_type == 'bdf':
+            self._load_bdf_font()
+        else:
+            self._load_ttf_font()
         
-        self.logger.info("Initialized FontTestManager with 5x7 regular TTF font")
+        self.logger.info(f"Initialized FontTestManager with {self.current_config['description']}")
+    
+    def _load_bdf_font(self):
+        """Load BDF font using freetype."""
+        try:
+            self.face = freetype.Face(self.font_path)
+            self.logger.info(f"Successfully loaded BDF font from {self.font_path}")
+        except Exception as e:
+            self.logger.error(f"Failed to load BDF font: {e}")
+            raise
+    
+    def _load_ttf_font(self):
+        """Load TTF font using PIL."""
+        try:
+            self.font = ImageFont.truetype(self.font_path, 8)  # Size 8 for 5x7 font
+            self.logger.info(f"Successfully loaded TTF font from {self.font_path}")
+        except Exception as e:
+            self.logger.error(f"Failed to load TTF font: {e}")
+            raise
     
     def update(self):
         """No update needed for static display."""
@@ -48,9 +86,9 @@ class FontTestManager:
             height = self.display_manager.matrix.height
             
             # Draw font name at the top
-            self.display_manager.draw_text("5x7 Regular", y=2, color=(255, 255, 255))
+            self.display_manager.draw_text(self.current_config['display_name'], y=2, color=(255, 255, 255))
             
-            # Draw sample text using TTF font
+            # Draw sample text
             draw = ImageDraw.Draw(self.display_manager.image)
             sample_text = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
             
@@ -58,8 +96,11 @@ class FontTestManager:
             x = 10  # Start 10 pixels from the left
             y = 10  # Start 10 pixels from the top
             
-            # Draw the sample text using PIL's text drawing
-            draw.text((x, y), sample_text, font=self.font, fill=(255, 255, 255))
+            # Draw text based on font type
+            if self.font_type == 'bdf':
+                self._draw_bdf_text(draw, sample_text, x, y)
+            else:
+                self._draw_ttf_text(draw, sample_text, x, y)
             
             # Update the display once
             self.display_manager.update_display()
@@ -68,4 +109,33 @@ class FontTestManager:
             self.logger.info("Font test display complete.")
             
         except Exception as e:
-            self.logger.error(f"Error displaying font test: {e}", exc_info=True) 
+            self.logger.error(f"Error displaying font test: {e}", exc_info=True)
+    
+    def _draw_bdf_text(self, draw, text, x, y):
+        """Draw text using BDF font."""
+        for char in text:
+            # Load the glyph
+            self.face.load_char(char)
+            bitmap = self.face.glyph.bitmap
+            
+            # Draw the glyph
+            for i in range(bitmap.rows):
+                for j in range(bitmap.width):
+                    try:
+                        # Get the byte containing the pixel
+                        byte_index = i * bitmap.pitch + (j // 8)
+                        if byte_index < len(bitmap.buffer):
+                            byte = bitmap.buffer[byte_index]
+                            # Check if the specific bit is set
+                            if byte & (1 << (7 - (j % 8))):
+                                draw.point((x + j, y + i), fill=(255, 255, 255))
+                    except IndexError:
+                        self.logger.warning(f"Index out of range for char '{char}' at position ({i}, {j})")
+                        continue
+            
+            # Move to next character position
+            x += self.face.glyph.advance.x >> 6
+    
+    def _draw_ttf_text(self, draw, text, x, y):
+        """Draw text using TTF font."""
+        draw.text((x, y), text, font=self.font, fill=(255, 255, 255))