green             728 http/modules/ngx_http_image_filter_module.c                                    red, green, blue, t;
green             764 http/modules/ngx_http_image_filter_module.c             green = gdImageGreen(src, transparent);
green             774 http/modules/ngx_http_image_filter_module.c     green = 0;
green             934 http/modules/ngx_http_image_filter_module.c         gdImageColorTransparent(dst, gdImageColorExact(dst, red, green, blue));