Jeff Epler
60ae2029b9
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Change all references from adafruit_raspberry_pi5_piomatter to adafruit_blinka_raspberry_pi5_piomatter. Closes #20
70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
#!/usr/bin/python3
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# SPDX-FileCopyrightText: 2025 Tim Cocks for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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"""
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Display quote from the Adafruit quotes API as text scrolling across the
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matrices.
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Requires the requests library to be installed.
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Run like this:
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$ python quote_scroller.py
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"""
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import adafruit_blinka_raspberry_pi5_piomatter as piomatter
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import numpy as np
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import requests
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from PIL import Image, ImageDraw, ImageFont
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# 128px for 2x1 matrices. Change to 64 if you're using a single matrix.
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total_width = 128
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total_height = 32
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bottom_half_shift_compensation = 1
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font_color = (0, 128, 128)
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# Load the font
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font = ImageFont.truetype("LindenHill-webfont.ttf", 26)
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quote_resp = requests.get("https://www.adafruit.com/api/quotes.php").json()
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text = f'{quote_resp[0]["text"]} - {quote_resp[0]["author"]}'
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#text = "Sometimes you just want to use hardcoded strings. - Unknown"
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x, y, text_width, text_height = font.getbbox(text)
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full_txt_img = Image.new("RGB", (int(text_width) + 6, int(text_height) + 6), (0, 0, 0))
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draw = ImageDraw.Draw(full_txt_img)
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draw.text((3, 3), text, font=font, fill=font_color)
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full_txt_img.save("quote.png")
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single_frame_img = Image.new("RGB", (total_width, total_height), (0, 0, 0))
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geometry = piomatter.Geometry(width=total_width, height=total_height,
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n_addr_lines=4, rotation=piomatter.Orientation.Normal)
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framebuffer = np.asarray(single_frame_img) + 0 # Make a mutable copy
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matrix = piomatter.PioMatter(colorspace=piomatter.Colorspace.RGB888Packed,
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pinout=piomatter.Pinout.AdafruitMatrixBonnet,
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framebuffer=framebuffer,
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geometry=geometry)
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print("Ctrl-C to exit")
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while True:
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for x_pixel in range(-total_width-1,full_txt_img.width):
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if bottom_half_shift_compensation == 0:
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# full paste
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single_frame_img.paste(full_txt_img.crop((x_pixel, 0, x_pixel + total_width, total_height)), (0, 0))
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else:
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# top half
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single_frame_img.paste(full_txt_img.crop((x_pixel, 0, x_pixel + total_width, total_height//2)), (0, 0))
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# bottom half shift compensation
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single_frame_img.paste(full_txt_img.crop((x_pixel, total_height//2, x_pixel + total_width, total_height)), (bottom_half_shift_compensation, total_height//2))
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framebuffer[:] = np.asarray(single_frame_img)
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matrix.show()
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