Krux screensaver

screensaver.py

import lcd
from krux.display import Display

logo = """
██   
██   
██   
██████   
██   
 ██  ██
██ ██
████ 
██ ██
 ██  ██
  ██   ██
"""[1:-1].split("\n")


disp = Display()
disp.initialize_lcd()
disp.clear()
disp.draw_centered_text(logo)


print("screensaver context!")

def draw_text_with_full_bg(
        self,
        line,
        qtd_offset,
        color,
        bg_color,
    ):
    """Draws text with full screen bg_color on the display"""
    lcd.fill_rectangle(0, qtd_offset * self.font_height, self.width(), self.font_height, bg_color)
    offset_x = (self.width() - self.font_width * len(line)) // 2
    offset_x = max(0, offset_x)
    self.draw_string(
        offset_x, (qtd_offset * self.font_height), line, color, bg_color
    )


disp.draw_text_with_full_bg = draw_text_with_full_bg


for _ in range(3):
    logo.insert(0,"")
    logo.append("")
    logo.append("")


anim_frame = 0
screensaver_time = 0

fg_color = 0x20FD
bg_color = 0xF800

lcd.clear()

while True:
    if (screensaver_time + 150 < time.ticks_ms()):
        screensaver_time = time.ticks_ms()

        # show animation on the screeen
        if (anim_frame <= len(logo)):
            disp.draw_text_with_full_bg(disp, logo[anim_frame], anim_frame, color=fg_color, bg_color=bg_color)

        anim_frame = anim_frame + 1
        if (anim_frame > len(logo)*1.4):
            anim_frame = 0
            bg_color, fg_color = fg_color, bg_color