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| author | Pali Rohár <pali.rohar@gmail.com> | 2018-03-10 16:23:29 +0100 |
|---|---|---|
| committer | Giuseppe Bilotta <giuseppe.bilotta@gmail.com> | 2018-03-24 21:24:26 +0100 |
| commit | 9882680c9f7f433a47514a9cb799c79e3e10a024 (patch) | |
| tree | 7be55cf986b7a2aa1ed3013c14b0b15f84ed5aca | |
| parent | da61a8bd95bd20d45397eee6a6c0d3ad5a50c399 (diff) | |
Document that --dpi and --fbmm options set DPI of whole X screen
Explicitly document and make it clear that those options do not change
DPI of some monitor output. Also state that these options have no useful
meaning for multi-monitor configuration.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Reviewed-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
| -rw-r--r-- | man/xrandr.man | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/man/xrandr.man b/man/xrandr.man index aa82724..1291bad 100644 --- a/man/xrandr.man +++ b/man/xrandr.man @@ -257,14 +257,25 @@ fit within this size. When this option is not provided, xrandr computes the smallest screen size that will hold the set of configured outputs; this option provides a way to override that behaviour. .IP "\-\-fbmm \fIwidth\fPx\fIheight\fP" -Sets the reported values for the physical size of the screen. Normally, +Sets the value reported as physical size of the X screen as a whole +(union of all configured monitors). In configurations with multiple +monitors with different DPIs, the value has no physical meaning, but +it may be used by some legacy clients which do not support RandR +version 1.2 to compute a reference font scaling. Normally, xrandr resets the reported physical size values to keep the DPI constant. -This overrides that computation. +This overrides that computation. Default DPI value is 96. .IP "\-\-dpi \fIdpi\fP" .IP "\-\-dpi \fIfrom-output\fP" -This also sets the reported physical size values of the screen, it uses either +This also sets the value reported as physical size of the X screen as a whole +(union of all configured monitors). In configurations with multiple +monitors with different DPIs, the value has no physical meaning, but +it may be used by some legacy clients which do not support RandR +version 1.2 to compute a reference font scaling. This option uses either the specified DPI value, or the DPI of the given output, to compute an appropriate -physical size using whatever pixel size will be set. +physical size using whatever pixel size will be set. Typical values are +the default (96 DPI), the DPI of the only monitor in single-monitor +configurations, or the DPI of the primary monitor in multi-monitor +configurations. .IP "\-\-newmode \fIname\fP \fImode\fP" New modelines can be added to the server and then associated with outputs. This option does the former. The \fImode\fP is specified using the ModeLine |