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import os
import wx
from .paths import get_resource_dir
def is_dark_theme():
return wx.SystemSettings().GetAppearance().IsDark()
def load_icon(icon_name, window=None, width=None, height=None):
if window is None and not (width and height):
raise ValueError("load_icon(): must pass a window or width and height")
icon = wx.Image(os.path.join(get_resource_dir("icons"), f"{icon_name}.png"))
if not (width and height):
render = wx.RendererNative.Get()
width = height = render.GetHeaderButtonHeight(window)
icon.Rescale(width, height, wx.IMAGE_QUALITY_HIGH)
if is_dark_theme():
# only way I've found to get a negative image
data = icon.GetDataBuffer()
for i in range(len(data)):
data[i] = 255 - data[i]
return icon.ConvertToBitmap()
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