155 lines
4.4 KiB
Python
155 lines
4.4 KiB
Python
import os
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import sys
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import time
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import machine
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import badger2040
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from badger2040 import WIDTH, HEIGHT
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REAMDE = """
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Images must be 296x128 pixel with 1bit colour depth.
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You can use examples/badger2040/image_converter/convert.py to convert them:
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python3 convert.py --binary --resize image_file_1.png image_file_2.png image_file_3.png
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Create a new "images" directory via Thonny, and upload the .bin files there.
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"""
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OVERLAY_BORDER = 40
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OVERLAY_SPACING = 20
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OVERLAY_TEXT_SIZE = 0.5
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TOTAL_IMAGES = 0
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# Try to preload BadgerPunk image
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try:
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os.mkdir("images")
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except OSError:
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pass
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try:
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import badgerpunk
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with open("images/badgerpunk.bin", "wb") as f:
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f.write(badgerpunk.data())
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f.flush()
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with open("images/readme.txt", "w") as f:
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f.write(REAMDE)
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f.flush()
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del badgerpunk
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except (OSError, ImportError):
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pass
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try:
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IMAGES = [f for f in os.listdir("/images") if f.endswith(".bin")]
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TOTAL_IMAGES = len(IMAGES)
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except OSError:
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pass
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display = badger2040.Badger2040()
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button_a = machine.Pin(badger2040.BUTTON_A, machine.Pin.IN, machine.Pin.PULL_DOWN)
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button_b = machine.Pin(badger2040.BUTTON_B, machine.Pin.IN, machine.Pin.PULL_DOWN)
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button_c = machine.Pin(badger2040.BUTTON_C, machine.Pin.IN, machine.Pin.PULL_DOWN)
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button_up = machine.Pin(badger2040.BUTTON_UP, machine.Pin.IN, machine.Pin.PULL_DOWN)
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button_down = machine.Pin(badger2040.BUTTON_DOWN, machine.Pin.IN, machine.Pin.PULL_DOWN)
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image = bytearray(int(296 * 128 / 8))
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current_image = 0
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show_info = True
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# Draw an overlay box with a given message within it
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def draw_overlay(message, width, height, line_spacing, text_size):
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# Draw a light grey background
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display.pen(12)
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display.rectangle((WIDTH - width) // 2, (HEIGHT - height) // 2, width, height)
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# Take the provided message and split it up into
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# lines that fit within the specified width
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words = message.split(" ")
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lines = []
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current_line = ""
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for word in words:
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if display.measure_text(current_line + word + " ", text_size) < width:
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current_line += word + " "
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else:
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lines.append(current_line.strip())
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current_line = word + " "
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lines.append(current_line.strip())
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display.pen(0)
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display.thickness(2)
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# Display each line of text from the message, centre-aligned
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num_lines = len(lines)
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for i in range(num_lines):
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length = display.measure_text(lines[i], text_size)
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current_line = (i * line_spacing) - ((num_lines - 1) * line_spacing) // 2
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display.text(lines[i], (WIDTH - length) // 2, (HEIGHT // 2) + current_line, text_size)
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def show_image(n):
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file = IMAGES[n]
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name = file.split(".")[0]
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open("images/{}".format(file), "r").readinto(image)
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display.image(image)
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if show_info:
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name_length = display.measure_text(name, 0.5)
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display.pen(0)
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display.rectangle(0, HEIGHT - 21, name_length + 11, 21)
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display.pen(15)
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display.rectangle(0, HEIGHT - 20, name_length + 10, 20)
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display.pen(0)
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display.text(name, 5, HEIGHT - 10, 0.5)
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for i in range(TOTAL_IMAGES):
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x = 286
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y = int((128 / 2) - (TOTAL_IMAGES * 10 / 2) + (i * 10))
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display.pen(0)
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display.rectangle(x, y, 8, 8)
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if current_image != i:
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display.pen(15)
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display.rectangle(x + 1, y + 1, 6, 6)
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display.update()
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if TOTAL_IMAGES == 0:
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display.pen(15)
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display.clear()
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draw_overlay("To run this demo, create an /images directory on your device and upload some 1bit 296x128 pixel images.", WIDTH - OVERLAY_BORDER, HEIGHT - OVERLAY_BORDER, OVERLAY_SPACING, OVERLAY_TEXT_SIZE)
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display.update()
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sys.exit()
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show_image(current_image)
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while True:
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if button_up.value():
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if current_image > 0:
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current_image -= 1
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show_image(current_image)
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if button_down.value():
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if current_image < TOTAL_IMAGES - 1:
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current_image += 1
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show_image(current_image)
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if button_a.value():
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show_info = not show_info
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show_image(current_image)
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if button_b.value() or button_c.value():
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display.pen(15)
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display.clear()
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draw_overlay("To add images connect Badger2040 to a PC, load up Thonny, and see readme.txt in images/", WIDTH - OVERLAY_BORDER, HEIGHT - OVERLAY_BORDER, OVERLAY_SPACING, 0.5)
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display.update()
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time.sleep(4)
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show_image(current_image)
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time.sleep(0.01)
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