From a8d1c8147b3ff61690270bfee455872665248148 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Thu, 27 Jul 2017 01:03:39 +0200 Subject: Add blind-transition, improve blind-dissolve, and fix blind-{cone,spiral}-gradient MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- man/blind-transition.1 | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 man/blind-transition.1 (limited to 'man/blind-transition.1') diff --git a/man/blind-transition.1 b/man/blind-transition.1 new file mode 100644 index 0000000..15e7fa5 --- /dev/null +++ b/man/blind-transition.1 @@ -0,0 +1,43 @@ +.TH BLIND-TRANSITION 1 blind +.SH NAME +blind-transition - Turn a gradient video to transition-gradient video +.SH SYNOPSIS +.B blind-transition +[-ir] [-s +.IR softness-stream ] +.SH DESCRIPTION +.B blind-transition +reads a video from stdin and prints a version of +it to stdout suitable for input to +.BR blind-set-alpha (1) +to for creation an transition effect. +.P +The luma in stdin is used to determine when a +pixel in the video shall be opaque. +.SH OPTION +.TP +.B -i +Invert the transition. +.TP +.B -r +Reverse the transition. +.TP +.BR -s \ \fIsoftness-stream\fP +The luma multiplied by the opacity for each pixel +in each frame in the video from +.I softness-stream +will be used as the transitional softness for that +pixel in the video. +.SH SEE ALSO +.BR blind (7), +.BR blind-set-alpha (1), +.BR blind-dissolve (1), +.BR blind-stack (1), +.BR blind-cone-gradient (1), +.BR blind-linear-gradient (1), +.BR blind-radial-gradient (1), +.BR blind-spiral-gradient (1), +.BR blind-square-gradient (1) +.SH AUTHORS +Mattias Andrée +.RI < maandree@kth.se > -- cgit v1.2.3-70-g09d2