image.lisp

;;
;;  RoL-assets  -  Asset pipeline
;;
;;  Copyright 2012-2015 Thomas de Grivel <thomas@lowh.net>
;;
;;  Permission to use, copy, modify, and distribute this software for any
;;  purpose with or without fee is hereby granted, provided that the above
;;  copyright notice and this permission notice appear in all copies.
;;
;;  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
;;  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
;;  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
;;  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
;;  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
;;  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
;;  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
;;

(in-package :RoL-assets)

;;    Image

(defclass image-asset (asset) ())

(defmethod asset-class-extensions ((class (eql 'image-asset)))
  '(.gif .ico .jpeg .jpg .png .svg .svgz .wbmp))

(defmethod asset-include ((output stream)
                          (context (eql :html))
                          (asset image-asset)
                          &key alt &allow-other-keys)
  (write-string "<img src=\"" output)
  (write-string (quote-html (asset-url asset)) output)
  (write-string "\" alt=\"" output)
  (when alt (write-string (quote-html alt) output))
  (write-string "\"/>
" output)
  (values))