--- rxvt-unicode/src/rxvtimg.h	2012/06/15 19:50:56	1.40
+++ rxvt-unicode/src/rxvtimg.h	2012/06/17 21:58:18	1.43
@@ -1,4 +1,27 @@
-#ifndef IMG_H),
+/*----------------------------------------------------------------------*
+ * File:	rxvtimg.h
+ *----------------------------------------------------------------------*
+ *
+ * All portions of code are copyright by their respective author/s.
+ * Copyright (c) 2012      Marc Lehmann <schmorp@schmorp.de>
+ * Copyright (c) 2012      Emanuele Giaquinta <e.giaquinta@glauco.it>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *---------------------------------------------------------------------*/
+
+#ifndef IMG_H
 #define IMG_H
 
 #if HAVE_BG_PIXMAP
@@ -104,7 +127,8 @@
   rxvt_img *scale (int new_width, int new_height);
   rxvt_img *rotate (int cx, int cy, nv phi);
   rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg);
-  rxvt_img *blend (rxvt_img *img, nv factor = 1.);
+  rxvt_img *tint (const rgba &c);
+  rxvt_img *filter (const char *name, int nparams = 0, nv *params = 0);
 
   // egregiuous helper category
   rxvt_img *replace (rxvt_img *&p)
@@ -114,9 +138,9 @@
     return this;
   }
 
-private:
-
+  /* these are considered private */
   void destroy ();
+  rxvt_img *new_empty ();
   Picture picture ();
   rxvt_img *transform (const nv *matrix);
 };