v.0.2.0 font_5x7_optimized

app/display/neopixel_64x64.py

@@ -1,13 +1,16 @@
 from machine import Pin, RTC
 from neopixel import NeoPixel
 from .fonts.fonts_utils import fonts_meta
+
 from .fonts.font_5x7 import font_5x7
-from ..utils.colors import RAINBOW, BLACK
+from .fonts.font_5x7_opt import font_5x7 as font_5x7_opt, get_char_width
+from ..utils.colors import GRAY, RAINBOW, BLACK, WHITE, LIME
 from ..utils.utils import (
 	get_german_timestamp_short,
 	get_datetime_string,
 	get_german_time_ticks,
 	get_german_date_ticks,
+	number_to_bitarray_msb,
 )
 import time
 import math
@@ -29,7 +32,7 @@ class NeoPixel_64x64(NeoPixel):
 		super().__init__(Pin(pin), self.MATRIX_WIDTH * self.MATRIX_HEIGHT)
 
 		# Font configuration
-		self.set_font(font_5x7)
+		self.set_font(font_5x7_opt)
 
 	def set_font(self, font):
 		"""
@@ -89,7 +92,7 @@ class NeoPixel_64x64(NeoPixel):
 
 		self.write()
 
-	def draw_letter(self, letter, x, y, color):
+	def draw_letter___obsolet(self, letter, x, y, color):
 		"""
 		Draw a single letter using current font
 
@@ -110,7 +113,42 @@ class NeoPixel_64x64(NeoPixel):
 		else:
 			print(f'oops, letter does not exist in the font -> {letter}')
 
-	def draw_text(self, text, x, y, color=RAINBOW[2], spacing=1):
+	def draw_letter(self, letter, x, y, color):
+		"""
+		Draw a single letter using current font with optimized width
+
+		Args:
+				letter: Character to draw
+				x: X position
+				y: Y position
+				color: RGB color tuple
+		"""
+
+		# background for the letter (full font size)
+		[
+			# print(xpos, ypos)
+			self.set_pixel(xpos, ypos, GRAY)
+			for xpos in range(x, x + 8)  # 8 because full with of character representation
+			for ypos in range(y, y + self.font_height)
+		]
+
+		if letter in self.selected_font:
+			char_data = self.selected_font[letter]
+			char_width = get_char_width(letter)
+
+			print(letter)
+			for row in range(self.font_height):
+				row_data = char_data[row]
+				print(number_to_bitarray_msb(row_data))
+				for col in range(char_width):
+					# Check if pixel should be lit (MSB first)
+					# Only check bits within the actual character width
+					if row_data & (1 << ((char_width - 1) - col)):
+						self.set_pixel(x + col, y + row, color)
+		else:
+			print(f'oops, letter does not exist in the font -> {letter}')
+
+	def draw_text___obsolete(self, text, x, y, color=RAINBOW[2], spacing=1):
 		"""
 		Draw text string at specified position
 
@@ -125,6 +163,23 @@ class NeoPixel_64x64(NeoPixel):
 			char_x = x + (idx * (self.font_width + spacing))
 			self.draw_letter(char, char_x, y, color)
 
+	def draw_text(self, text, x, y, color):
+		"""
+		Draw text with optimized character spacing
+
+		Args:
+				text: Text to draw
+				x: Starting X position
+				y: Starting Y position
+				color: RGB color tuple
+		"""
+		current_x = x
+		for char in text:
+			self.draw_letter(char, current_x, y, color)
+			# Move cursor by character width + 1 pixel spacing
+			char_width = get_char_width(char)
+			current_x += char_width + 1
+
 	def show_hello(self):
 		"""Display HELLO with timestamp"""
 		self.clear()
@@ -296,6 +351,13 @@ class NeoPixel_64x64(NeoPixel):
 				err += dx
 				y1 += sy
 
+	def write_text(self, text: str, xpos: int, line_no: int, color=WHITE) -> None:
+		"""Textausgabe in Zeile line_no"""
+		self.draw_text(
+			text, xpos * (self.font_width + 1), line_no * (self.font_height + 1), color
+		)  # Pixel setzen
+		self.write()  # und anzeigen
+
 
 # Example usage
 if __name__ == '__main__':