mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-23 04:53:08 +00:00
c3ececcf96
* ufbt: added "dolphin_ext" target (expects "external" subfolder in cwd with dolphin assets); cleaned up unused code * ufbt: codestyle fixes * scripts: fixed style according to ruff linter * scripts: additional cleanup & codestyle fixes * github: pass target hw code when installing local SDK with ufbt * ufbt: added error message for missing folder in dolphin builder * scripts: more linter fixes * sdk: added flipper_format_stream; ufbt: support for --extra-define * fbt: reduced amount of global defines * scripts, fbt: rearranged imports Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
107 lines
2.9 KiB
Python
107 lines
2.9 KiB
Python
import logging
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import subprocess
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import io
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ICONS_SUPPORTED_FORMATS = ["png"]
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class Image:
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def __init__(self, width: int, height: int, data: bytes):
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self.width = width
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self.height = height
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self.data = data
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def write(self, filename):
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with open(filename, "wb") as file:
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file.write(self.data)
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def data_as_carray(self):
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return (
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"{" + "".join("0x{:02x},".format(img_byte) for img_byte in self.data) + "}"
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)
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def is_file_an_icon(filename):
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extension = filename.lower().split(".")[-1]
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return extension in ICONS_SUPPORTED_FORMATS
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class ImageTools:
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__pil_unavailable = False
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__hs2_unavailable = False
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@staticmethod
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def is_processing_slow():
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try:
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return False
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except ImportError:
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return True
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def __init__(self):
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self.logger = logging.getLogger()
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def png2xbm(self, file):
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if self.__pil_unavailable:
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return subprocess.check_output(["convert", file, "xbm:-"])
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try:
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from PIL import Image, ImageOps
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except ImportError:
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self.__pil_unavailable = True
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self.logger.info("pillow module is missing, using convert cli util")
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return self.png2xbm(file)
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with Image.open(file) as im:
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with io.BytesIO() as output:
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bw = im.convert("1")
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bw = ImageOps.invert(bw)
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bw.save(output, format="XBM")
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return output.getvalue()
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def xbm2hs(self, data):
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if self.__hs2_unavailable:
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return subprocess.check_output(
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["heatshrink", "-e", "-w8", "-l4"], input=data
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)
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try:
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import heatshrink2
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except ImportError:
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self.__hs2_unavailable = True
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self.logger.info("heatshrink2 module is missing, using heatshrink cli util")
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return self.xbm2hs(data)
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return heatshrink2.compress(data, window_sz2=8, lookahead_sz2=4)
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__tools = ImageTools()
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def file2image(file):
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output = __tools.png2xbm(file)
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assert output
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# Extract data from text
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f = io.StringIO(output.decode().strip())
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width = int(f.readline().strip().split(" ")[2])
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height = int(f.readline().strip().split(" ")[2])
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data = f.read().strip().replace("\n", "").replace(" ", "").split("=")[1][:-1]
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data_str = data[1:-1].replace(",", " ").replace("0x", "")
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data_bin = bytearray.fromhex(data_str)
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# Encode icon data with LZSS
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data_encoded_str = __tools.xbm2hs(data_bin)
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assert data_encoded_str
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data_enc = bytearray(data_encoded_str)
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data_enc = bytearray([len(data_enc) & 0xFF, len(data_enc) >> 8]) + data_enc
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# Use encoded data only if its length less than original, including header
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if len(data_enc) + 2 < len(data_bin) + 1:
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data = b"\x01\x00" + data_enc
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else:
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data = b"\x00" + data_bin
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return Image(width, height, data)
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