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Fix get_color_as_rgba() not working with var() colors

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Kovid Goyal 2020-08-07 10:37:26 +05:30
parent 132f6a710d
commit 9238df38d6
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1 changed files with 4 additions and 0 deletions
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src/pyj/book_list/theme.pyj
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@ -70,6 +70,8 @@ def set_ui_colors(is_dark_theme):
for k in DEFAULT_COLORS:
val = DEFAULT_COLORS[k][attr]
s.setProperty('--calibre-color-' + k, val)
get_color_as_rgba.cache = {}
cached_color_to_rgba.cache = {}
def css_for_variables():
@ -92,6 +94,8 @@ def color_to_rgba(color):
cvs = document.createElement('canvas')
cvs.height = 1
cvs.width = 1
if color.startsWith('var('):
color = window.getComputedStyle(document.documentElement).getPropertyValue(color[4:-1])
ctx = cvs.getContext('2d')
ctx.fillStyle = color
ctx.fillRect(0, 0, 1, 1)