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Based on feedback, 1440p displays can benefit from 2x console as well. Err toward a font too large rather than too small and lower the threshold to 1350, which is the threshold fbwhiptail uses for 1.5x. Signed-off-by: Jonathon Hall <jonathon.hall@puri.sm>
39 lines
1.3 KiB
Bash
Executable File
39 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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set -eo pipefail
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. /etc/functions
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TRACE "Under /bin/setconsolefont.sh"
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# If the board ships setfont, and the console size is >=1600 lines tall,
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# increase the console font size.
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if [ ! -x /bin/setfont ]; then
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DEBUG "Board does not ship setfont, not checking console font"
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exit 0
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fi
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if [ ! -f /sys/class/graphics/fb0/virtual_size ]; then
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DEBUG "fb0 virtual size is not known"
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exit 0
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fi
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CONSOLE_HEIGHT="$(cut -d, -f2 /sys/class/graphics/fb0/virtual_size)"
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# Deciding scale based on resolution is inherently heuristic, as the scale
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# really depends on resolution, physical size, how close the display is to the
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# user, and personal preference.
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#
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# fbwhiptail starts using 1.5x scale at 1350 lines, but we can only choose 1x
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# or 2x (without shipping more fonts). Err toward making the console too large
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# rather than too small and go to 2x at 1350 lines.
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if [ "$CONSOLE_HEIGHT" -ge 1350 ]; then
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DEBUG "Double console font size due to framebuffer height $CONSOLE_HEIGHT"
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# Double the default font size by reading it out, then applying it again
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# with setfont's -d option (double font size)
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setfont -O /tmp/default_font
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setfont -d /tmp/default_font
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rm /tmp/default_font
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else
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DEBUG "Keep default console font size due to framebuffer height $CONSOLE_HEIGHT"
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fi
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