kopia lustrzana https://github.com/pimoroni/pimoroni-pico
130 wiersze
3.5 KiB
Python
130 wiersze
3.5 KiB
Python
import badger2040w
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import badger_os
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# Global Constants
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FONT_NAMES = (
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("sans", 0.7, 2),
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("gothic", 0.7, 2),
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("cursive", 0.7, 2),
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("serif", 0.7, 2),
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("serif_italic", 0.7, 2),
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("bitmap6", 3, 1),
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("bitmap8", 2, 1),
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("bitmap14_outline", 1, 1)
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)
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WIDTH = badger2040w.WIDTH
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HEIGHT = badger2040w.HEIGHT
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MENU_TEXT_SIZE = 0.5
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MENU_SPACING = 16
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MENU_WIDTH = 84
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MENU_PADDING = 5
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TEXT_INDENT = MENU_WIDTH + 10
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ARROW_THICKNESS = 3
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ARROW_WIDTH = 18
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ARROW_HEIGHT = 14
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ARROW_PADDING = 2
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# ------------------------------
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# Drawing functions
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# ------------------------------
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# Draw a upward arrow
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def draw_up(x, y, width, height, thickness, padding):
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border = (thickness // 4) + padding
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display.line(x + border, y + height - border,
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x + (width // 2), y + border)
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display.line(x + (width // 2), y + border,
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x + width - border, y + height - border)
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# Draw a downward arrow
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def draw_down(x, y, width, height, thickness, padding):
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border = (thickness // 2) + padding
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display.line(x + border, y + border,
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x + (width // 2), y + height - border)
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display.line(x + (width // 2), y + height - border,
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x + width - border, y + border)
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# Draw the frame of the reader
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def draw_frame():
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display.set_pen(15)
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display.clear()
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display.set_pen(12)
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display.rectangle(WIDTH - ARROW_WIDTH, 0, ARROW_WIDTH, HEIGHT)
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display.set_pen(0)
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draw_up(WIDTH - ARROW_WIDTH, (HEIGHT // 4) - (ARROW_HEIGHT // 2),
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ARROW_WIDTH, ARROW_HEIGHT, ARROW_THICKNESS, ARROW_PADDING)
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draw_down(WIDTH - ARROW_WIDTH, ((HEIGHT * 3) // 4) - (ARROW_HEIGHT // 2),
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ARROW_WIDTH, ARROW_HEIGHT, ARROW_THICKNESS, ARROW_PADDING)
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# Draw the fonts and menu
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def draw_fonts():
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display.set_font("bitmap8")
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for i in range(len(FONT_NAMES)):
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name, size, thickness = FONT_NAMES[i]
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display.set_pen(0)
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if i == state["selected_font"]:
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display.rectangle(0, i * MENU_SPACING, MENU_WIDTH, MENU_SPACING)
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display.set_pen(15)
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display.text(name, MENU_PADDING, (i * MENU_SPACING) + int((MENU_SPACING - 8) / 2), WIDTH, MENU_TEXT_SIZE)
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name, size, thickness = FONT_NAMES[state["selected_font"]]
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display.set_font(name)
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y = 0 if name.startswith("bitmap") else 10
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display.set_pen(0)
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for line in ("The quick", "brown fox", "jumps over", "the lazy dog.", "0123456789", "!\"£$%^&*()"):
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display.text(line, TEXT_INDENT, y, WIDTH, size)
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y += 22
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display.update()
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# ------------------------------
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# Program setup
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# ------------------------------
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# Global variables
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state = {"selected_font": 0}
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badger_os.state_load("fonts", state)
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# Create a new Badger and set it to update FAST
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display = badger2040w.Badger2040W()
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display.led(128)
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display.set_update_speed(badger2040w.UPDATE_FAST)
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changed = not badger2040w.woken_by_button()
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# ------------------------------
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# Main program loop
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# ------------------------------
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while True:
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if display.pressed(badger2040w.BUTTON_UP):
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state["selected_font"] -= 1
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if state["selected_font"] < 0:
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state["selected_font"] = len(FONT_NAMES) - 1
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changed = True
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if display.pressed(badger2040w.BUTTON_DOWN):
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state["selected_font"] += 1
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if state["selected_font"] >= len(FONT_NAMES):
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state["selected_font"] = 0
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changed = True
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if changed:
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draw_frame()
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draw_fonts()
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badger_os.state_save("fonts", state)
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changed = False
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display.halt()
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