.\" Hey, EMACS: -*- nroff -*- .\" (C) Copyright 2021 Arun Kumar Pariyar , .\" .TH "BLUR_IMAGE "1" "2021-02-02" "blur_image manpage" .\" Please adjust this date whenever revising the manpage. .\" .\" Some roff macros, for reference: .\" .nh disable hyphenation .\" .hy enable hyphenation .\" .ad l left justify .\" .ad b justify to both left and right margins .\" .nf disable filling .\" .fi enable filling .\" .br insert line break .\" .sp insert n+1 empty lines .\" for manpage-specific macros, see man(7) .SH NAME blur_image \- Off-screen image blurring utility using OpenGL ES 3.0. .SH SYNOPSIS .B blur_image .RI .RI [ FLAGS ] .RI -o .RI .SH DESCRIPTION This manual page documents briefly the .B blur_image command as provided by .B blur-effect package. .PP The binary program \fBblur_image\fP generates images with Blur Effect. .PP .SH OPTIONS .TP .B \-r radius now should be odd number ranging [3-49] .TP .B \-S sample distance (default 1.0) .TP .B \-b adjust brightness after blurring .TP .B \-d use drmdev (/dev/dri/card0 e.g) to render .TP .B \-l multiple current lightness by percent [0.0-1.0] .TP .B \-s multiple current saturation by percent [0.0-1.0] .TP .B \-p iterate passes of rendering, ranging [1-INF] .SH EXAMPLE blur_image -d /dev/dri/renderD128 -p 6 -r 7 "/usr/share/wallpapers/deepin/Garden In The Autumn.jpg" -o out.jpg .SH SEE ALSO .PP This program is further documented in the .IR README.md as provided with this debian package under .IR /usr/share/doc/blur-effect/ directory. .SH AUTHOR .PP .B blur_image is written by Sian Cao. .PP This manual page was written by .MT openarungeek@\:gmail.com Arun Kumar Pariyar .ME for the Debian Project (but may be used by others).