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Add preserve-gamma configuration option #717

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Add preserve-gamma configuration option #717

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3 changes: 3 additions & 0 deletions redshift.1
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Original file line number Diff line number Diff line change
Expand Up @@ -141,6 +141,9 @@ Gamma adjustment to apply at daytime
\fBgamma-night\fR = \fIR\fB:\fIG\fB:\fIB\fR
Gamma adjustment to apply at night
.TP
\fBpreserve-gamma\fR = \fI0 or 1\fR
Reset existing gamma ramps before applying new color effect. (On by default)
.TP
\fBadjustment\-method\fR = \fIname\fR
Select adjustment method. Options for the adjustment method can be
given under the configuration file heading of the same name.
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4 changes: 4 additions & 0 deletions src/options.c
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Expand Up @@ -575,6 +575,10 @@ parse_config_file_option(
return -1;
}
}
} else if (strcasecmp(key, "preserve-gamma") == 0) {
if (options->preserve_gamma == 1) {
options->preserve_gamma = !!atoi(value);
}
} else if (strcasecmp(key, "adjustment-method") == 0) {
if (options->method == NULL) {
options->method = find_gamma_method(
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