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Fix text_fg_override_threshold not working with multi-pass rendering

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This has the side-effect of also applying the same luminance based gamma
adjustment for multipass rendering as we do for single pass rendering.
This *may* make things look worse with very low background_opacity
values, since in such cases the actual background color can be quite
different from the background color we are adjusting against.
This commit is contained in:
Kovid Goyal
2023-06-24 08:26:46 +05:30
parent b7fd46d971
commit 4ac5b8f82f
3 changed files with 16 additions and 20 deletions
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29
kitty/options/definition.py
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@@ -276,9 +276,7 @@ ranging from :code:`0` to :code:`100`. If the difference in luminance of the
foreground and background is below this threshold, the foreground color will be set
to white if the background is dark or black if the background is light. The default
value is :code:`0`, which means no overriding is performed. Useful when working with applications
that use colors that do not contrast well with your preferred color scheme. Note that this
will not work in situations where kitty has to render in multiple passes, for example,
when rendering with images under text or with non-opaque background and images.
that use colors that do not contrast well with your preferred color scheme.
''')
egr() # }}}
@@ -1352,21 +1350,24 @@ opt('background_opacity', '1.0',
option_type='unit_float', ctype='float',
long_text='''
The opacity of the background. A number between zero and one, where one is
opaque and zero is fully transparent. This will only work if supported by the OS
(for instance, when using a compositor under X11). Note that it only sets the
background color's opacity in cells that have the same background color as the
default terminal background, so that things like the status bar in vim,
opaque and zero is fully transparent. This will only work if supported by the
OS (for instance, when using a compositor under X11). Note that it only sets
the background color's opacity in cells that have the same background color as
the default terminal background, so that things like the status bar in vim,
powerline prompts, etc. still look good. But it means that if you use a color
theme with a background color in your editor, it will not be rendered as
transparent. Instead you should change the default background color in your
kitty config and not use a background color in the editor color scheme. Or use
the escape codes to set the terminals default colors in a shell script to launch
your editor. Be aware that using a value less than 1.0 is a (possibly
significant) performance hit. If you want to dynamically change transparency of
windows, set :opt:`dynamic_background_opacity` to :code:`yes` (this is off by
default as it has a performance cost). Changing this option when reloading the
config will only work if :opt:`dynamic_background_opacity` was enabled in the
original config.
the escape codes to set the terminals default colors in a shell script to
launch your editor. Be aware that using a value less than 1.0 is a (possibly
significant) performance hit. When using a low value for this setting, it is
desirable that you set the :opt:`background` color to a color the matches the
general color of the desktop background, for best text rendering. If you want
to dynamically change transparency of windows, set
:opt:`dynamic_background_opacity` to :code:`yes` (this is off by default as it
has a performance cost). Changing this option when reloading the config will
only work if :opt:`dynamic_background_opacity` was enabled in the original
config.
'''
)