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Initial support for intensity-tinted alpha watermark

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Lauri Kasanen
2023-02-17 14:04:32 +02:00
parent 61613c4e65
commit ae93cd6840
19 changed files with 407 additions and 3 deletions
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22
unix/xserver/hw/vnc/Xvnc.man
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@@ -341,6 +341,28 @@ Log clipboard and keyboard actions. Info logs just clipboard direction and size,
verbose adds the contents for both.
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.TP
.B \-DLP_WatermarkImage \fIpath/to/file.png\fP
Add a watermark. The PNG file should be greyscale, black is treated as transparent
and white as opaque.
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.TP
.B \-DLP_WatermarkLocation \fIx,y\fP
Place the watermark at this position from the corner. Positive numbers are from top-left,
negative from bottom-right. Negative numbers count from the bottom-right edge of the image.
If not set, the watermark will be centered. Cannot be used together with repeat.
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.TP
.B \-DLP_WatermarkRepeatSpace \fInum\fP
If set, repeat the watermark over the entire image, with \fBnum\fP pixels between
repetitions. Cannot be used together with location.
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.TP
.B \-DLP_WatermarkTint \fIr,g,b,a\fP
Tint the greyscale watermark by this color. Default is 255,255,255,255 - full white.
The color components can be used to colorize the greyscale watermark, and the alpha
can be used to make it fainter.
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.TP
.B \-selfBench
Run a set of self-benchmarks and exit.
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