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e412a2c537
Signed-off-by: tfuxu <73042332+tfuxu@users.noreply.github.com> Co-authored-by: 0xMRTT <0xMRTT@evta.fr> Co-authored-by: 0xMRTT <0xMRTT@proton.me> Co-authored-by: daudix-UFO <ddaudix@gmail.com>
124 lines
4.1 KiB
Python
124 lines
4.1 KiB
Python
# colors.py
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#
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# Change the look of Adwaita, with ease
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# Copyright (C) 2022-2023, Gradience Team
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import material_color_utilities_python as monet
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from gradience.backend.globals import adw_variables_prefixes, adw_palette_prefixes
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from gradience.backend.logger import Logger
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logging = Logger(logger_name="ColorUtils")
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def rgb_to_hash(rgb) -> [str, float]:
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"""
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This function converts rgb or rgba-formatted color code to an hexadecimal code.
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Alpha channel from RGBA color codes is passed without any conversion
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as a second return variable and is completely ignored in hexadecimal codes
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to remain compliant with web stantards.
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"""
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if rgb.startswith("rgb"):
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rgb_values = rgb.strip("rgb()")
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if rgb.startswith("rgba"):
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rgb_values = rgb.strip("rgba()")
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rgb_list = rgb_values.split(",")
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red = int(rgb_list[0])
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green = int(rgb_list[1])
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blue = int(rgb_list[2])
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alpha = None
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if len(rgb_list) == 4:
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alpha = float(rgb_list[3])
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hex_out = [f"{red:x}", f"{green:x}", f"{blue:x}"]
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for i, hex_part in enumerate(hex_out):
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if len(hex_part) == 1:
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hex_out[i] = "0" + hex_part
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return "#" + "".join(hex_out), alpha
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def argb_to_color_code(argb, alpha=None) -> str:
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"""
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This function can return either an hexadecimal or rgba-formatted color code.
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By default this function returns hexadecimal color codes.
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If alpha parameter is specified, then the function will return
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an rgba-formatted color code.
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"""
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rgba_base = "rgba({0}, {1}, {2}, {3})"
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red = monet.redFromArgb(argb)
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green = monet.greenFromArgb(argb)
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blue = monet.blueFromArgb(argb)
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if not alpha:
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alpha = monet.alphaFromArgb(argb)
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if alpha in (255, 0.0):
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return monet.hexFromArgb(argb)
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return rgba_base.format(red, green, blue, alpha)
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def color_vars_to_color_code(variables: dict, palette: dict) -> dict:
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"""
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This function converts GTK color variables to color code
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(hexadecimal code if no transparency channel, RGBA format if otherwise).
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You can bypass passing a `palette` parameter if you put an None value to it.
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This isn't recommended however, because in most cases you'll be unable to determine
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if variables you pass don't contain any palette color variables.
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"""
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output = variables
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if palette == None:
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logging.warning("Palette parameter in `color_vars_to_color_code()` function not set. Incoming bugs ahead!")
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def __has_palette_prefix(color):
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return any(prefix in color for prefix in adw_palette_prefixes)
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def __has_variable_prefix(color):
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return any(prefix in color for prefix in adw_variables_prefixes)
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def __update_vars(var_type, variable, color_value):
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if var_type == "palette":
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output[variable] = palette[color_value[:-1]][color_value[-1:]]
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elif var_type == "variable":
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output[variable] = output[color_value]
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if __has_variable_prefix(output[variable]):
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__update_variable_vars(variable, output[variable])
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if __has_palette_prefix(output[variable]):
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__update_palette_vars(variable, output[variable])
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for variable, color in output.items():
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color_value = color[1:] # Remove '@' from the beginning of the color variable
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if __has_palette_prefix(color_value) and palette != None:
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__update_vars("palette", variable, color_value)
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if __has_variable_prefix(color_value):
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__update_vars("variable", variable, color_value)
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return output
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