id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,uname,nginx_version 1733,"""image_filter resize/crop"" action replaces transparent background on black one",followmelistenme,,"Problem is: image_filter module replace transparent background to black one for PNG images. I tested previous versions and it was working until 1.11.14 Seems that bug came from 1.12.0 version and stay in higher versions. My configuration is: {{{ image_filter_buffer 15M; image_filter_jpeg_quality 95; image_filter_watermark_width_from 200; image_filter_watermark_height_from 200; image_filter_watermark_position center-random; location ~* ""^/nginx_resize/(?\d+|-)/(?\d+|-)/(?.*)$"" { if ($http_x_watermark_path) { rewrite ^/nginx_resize/(.*) /watermark-resize/$1 last; } image_filter resize $width $height; proxy_pass http://static-cache/$image_uri; proxy_set_header Host static-cache; } }}}",defect,closed,major,,nginx-module,1.14.x,invalid,"image_filter, image_filter resize, image_filter crop, transparent background",,Linux hostname 4.15.6-1-apparmor #1 SMP PREEMPT Mon Feb 26 15:42:51 +07 2018 x86_64 GNU/Linux,"nginx version: nginx/1.14.0 built with OpenSSL 1.1.0h 27 Mar 2018 TLS SNI support enabled configure arguments: --prefix=/etc/nginx --conf-path=/etc/nginx/nginx.conf --sbin-path=/usr/bin/nginx --pid-path=/run/nginx.pid --lock-path=/run/lock/nginx.lock --user=http --group=http --http-log-path=/var/log/nginx/access.log --error-log-path=stderr --http-client-body-temp-path=/var/lib/nginx/client-body --http-proxy-temp-path=/var/lib/nginx/proxy --http-fastcgi-temp-path=/var/lib/nginx/fastcgi --http-scgi-temp-path=/var/lib/nginx/scgi --http-uwsgi-temp-path=/var/lib/nginx/uwsgi --with-pcre-jit --with-file-aio --with-http_addition_module --with-http_auth_request_module --with-http_dav_module --with-http_degradation_module --with-http_flv_module --with-http_geoip_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_mp4_module --with-http_realip_module --with-http_secure_link_module --with-http_slice_module --with-http_ssl_module --with-http_stub_status_module --with-http_sub_module --with-http_v2_module --with-mail --with-mail_ssl_module --with-stream --with-stream_ssl_module --with-threads --with-stream_ssl_preread_module --with-stream_geoip_module --with-stream_realip_module --with-http_image_filter_module"