Resolve KASM-4489 "Feature/ watermark time"

unix/xserver/hw/vnc/Makefile.am

@@ -52,7 +52,8 @@ Xvnc_CPPFLAGS = $(XVNC_CPPFLAGS) -DKASMVNC -DNO_MODULE_EXTS \
 	-I$(top_srcdir)/dri3 @LIBDRM_CFLAGS@
 
 Xvnc_LDADD = $(XVNC_LIBS) libvnccommon.la $(COMMON_LIBS) \
-	$(XSERVER_LIBS) $(XSERVER_SYS_LIBS) $(XVNC_SYS_LIBS) -lX11 -lwebp -lssl -lcrypto -lcrypt
+	$(XSERVER_LIBS) $(XSERVER_SYS_LIBS) $(XVNC_SYS_LIBS) -lX11 -lwebp -lssl -lcrypto -lcrypt \
+	-lfreetype
 
 Xvnc_LDFLAGS = $(LD_EXPORT_SYMBOLS_FLAG) -fopenmp
 

unix/xserver/hw/vnc/Xvnc.man

@@ -243,6 +243,8 @@ Default \fB-1\fP.
 .B \-WebpVideoQuality \fInum\fP
 The WEBP quality to use when in video mode.
 Default \fB-1\fP.
+.
+.TP
 .B \-MaxVideoResolution \fI1920x1080\fP
 When in video mode, downscale the screen to max this size. Keeps aspect ratio.
 Default \fB1920x1080\fP.
@@ -372,6 +374,28 @@ The color components can be used to colorize the greyscale watermark, and the al
 can be used to make it fainter.
 .
 .TP
+.B \-DLP_WatermarkText \fI"foo %H:%M"\fP
+Instead of an image, render this text as the watermark. Takes time formatting options
+for \fBstrftime\fP.
+.
+.TP
+.B \-DLP_WatermarkFont \fI/path/to/font.ttf\fP
+Use a different font for -DLP_WatermarkText than the bundled one. TTF and OTF fonts
+are accepted.
+.
+.TP
+.B \-DLP_WatermarkFontSize \fI48\fP
+Font size for -DLP_WatermarkText. Default \fI48\fP.
+.
+.TP
+.B \-DLP_WatermarkTimeOffset \fI0\fP
+Time offset from UTC, hours. Default \fI0\fP.
+.
+.TP
+.B \-DLP_WatermarkTimeOffsetMinutes \fI0\fP
+Time offset from UTC, minutes. Default \fI0\fP.
+.
+.TP
 .B \-selfBench
 Run a set of self-benchmarks and exit.
 .