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Image filter: the "image_filter_interlace" directive.

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Patch by Ian Babrou, with minor changes.
This commit is contained in:
Ruslan Ermilov 2013-03-19 08:13:48 +00:00
parent d7db87e6d9
commit fd8b7d2f33
1 changed files with 13 additions and 0 deletions
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13
src/http/modules/ngx_http_image_filter_module.c
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@ -45,6 +45,7 @@ typedef struct {
ngx_uint_t sharpen;
ngx_flag_t transparency;
ngx_flag_t interlace;
ngx_http_complex_value_t *wcv;
ngx_http_complex_value_t *hcv;
@ -143,6 +144,13 @@ static ngx_command_t ngx_http_image_filter_commands[] = {
offsetof(ngx_http_image_filter_conf_t, transparency),
NULL },
{ ngx_string("image_filter_interlace"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_image_filter_conf_t, interlace),
NULL },
{ ngx_string("image_filter_buffer"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
@ -963,6 +971,8 @@ transparent:
gdImageSharpen(dst, sharpen);
}
gdImageInterlace(dst, (int) conf->interlace);
out = ngx_http_image_out(r, ctx->type, dst, &size);
ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
@ -1186,6 +1196,7 @@ ngx_http_image_filter_create_conf(ngx_conf_t *cf)
conf->jpeg_quality = NGX_CONF_UNSET_UINT;
conf->sharpen = NGX_CONF_UNSET_UINT;
conf->transparency = NGX_CONF_UNSET;
conf->interlace = NGX_CONF_UNSET;
conf->buffer_size = NGX_CONF_UNSET_SIZE;
return conf;
@ -1234,6 +1245,8 @@ ngx_http_image_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child)
ngx_conf_merge_value(conf->transparency, prev->transparency, 1);
ngx_conf_merge_value(conf->interlace, prev->interlace, 0);
ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size,
1 * 1024 * 1024);