static ngx_buf_t *
ngx_http_image_process(ngx_http_request_t *r)
{
ngx_buf_t *b;
ngx_int_t rc;
ngx_http_image_filter_ctx_t *ctx;
ngx_http_image_filter_conf_t *conf;
r->connection->buffered &= ~NGX_HTTP_IMAGE_BUFFERED;
ctx = ngx_http_get_module_ctx(r, ngx_http_image_filter_module);
rc = ngx_http_image_size(r, ctx);
conf = ngx_http_get_module_loc_conf(r, ngx_http_image_filter_module);
if (conf->filter == NGX_HTTP_IMAGE_SIZE) {
b = ngx_http_image_json(r, rc == NGX_OK ? ctx : NULL);
} else if (rc == NGX_OK
&& ctx->width <= conf->width
&& ctx->height <= conf->height)
{
b = ngx_http_image_asis(r, ctx);
} else {
b = ngx_http_image_resize(r, ctx);
}
return b;
}
static ngx_buf_t *
ngx_http_image_process(ngx_http_request_t *r)
{
ngx_int_t rc;
ngx_http_image_filter_ctx_t *ctx;
ngx_http_image_filter_conf_t *conf;
r->connection->buffered &= ~NGX_HTTP_IMAGE_BUFFERED;
ctx = ngx_http_get_module_ctx(r, ngx_http_image_filter_module);
rc = ngx_http_image_size(r, ctx);
conf = ngx_http_get_module_loc_conf(r, ngx_http_image_filter_module);
if (conf->filter == NGX_HTTP_IMAGE_SIZE) {
return ngx_http_image_json(r, rc == NGX_OK ? ctx : NULL);
}
ctx->angle = ngx_http_image_filter_get_value(r, conf->acv, conf->angle);
if (conf->filter == NGX_HTTP_IMAGE_ROTATE) {
if (ctx->angle != 90 && ctx->angle != 180 && ctx->angle != 270) {
return NULL;
}
return ngx_http_image_resize(r, ctx);
}
ctx->max_width = ngx_http_image_filter_get_value(r, conf->wcv, conf->width);
if (ctx->max_width == 0) {
return NULL;
}
ctx->max_height = ngx_http_image_filter_get_value(r, conf->hcv,
conf->height);
if (ctx->max_height == 0) {
return NULL;
}
if (rc == NGX_OK
&& ctx->width <= ctx->max_width
&& ctx->height <= ctx->max_height
&& ctx->angle == 0
&& !ctx->force)
{
return ngx_http_image_asis(r, ctx);
}
return ngx_http_image_resize(r, ctx);
}