inicial

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diff --git a/libdocument/ev-async-renderer.h b/libdocument/ev-async-renderer.h
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/*
+ *  Copyright (C) 2000-2003 Marco Pesenti Gritti
+ *
+ *  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, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#if !defined (__EV_EVINCE_DOCUMENT_H_INSIDE__) && !defined (EVINCE_COMPILATION)
+#error "Only <evince-document.h> can be included directly."
+#endif
+
+#ifndef EV_ASYNC_RENDERER_H
+#define EV_ASYNC_RENDERER_H
+
+#include <glib-object.h>
+#include <glib.h>
+#include <gdk/gdk.h>
+
+G_BEGIN_DECLS
+
+#define EV_TYPE_ASYNC_RENDERER	          (ev_async_renderer_get_type ())
+#define EV_ASYNC_RENDERER(o)		  (G_TYPE_CHECK_INSTANCE_CAST ((o), EV_TYPE_ASYNC_RENDERER, EvAsyncRenderer))
+#define EV_ASYNC_RENDERER_IFACE(k)	  (G_TYPE_CHECK_CLASS_CAST((k), EV_TYPE_ASYNC_RENDERER, EvAsyncRendererInterface))
+#define EV_IS_ASYNC_RENDERER(o)		  (G_TYPE_CHECK_INSTANCE_TYPE ((o), EV_TYPE_ASYNC_RENDERER))
+#define EV_IS_ASYNC_RENDERER_IFACE(k)	  (G_TYPE_CHECK_CLASS_TYPE ((k), EV_TYPE_ASYNC_RENDERER))
+#define EV_ASYNC_RENDERER_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), EV_TYPE_ASYNC_RENDERER, EvAsyncRendererInterface))
+
+typedef struct _EvAsyncRenderer	           EvAsyncRenderer;
+typedef struct _EvAsyncRendererInterface   EvAsyncRendererInterface;
+
+struct _EvAsyncRendererInterface
+{
+	GTypeInterface base_iface;
+
+	void	    (* render_finished) (EvAsyncRenderer *renderer,
+					 GdkPixbuf       *pixbuf);
+
+	void        (* render_pixbuf)   (EvAsyncRenderer *renderer,
+					 int              page,
+					 double           scale,
+					 int              rotation);
+};
+
+GType		ev_async_renderer_get_type       (void);
+void		ev_async_renderer_render_pixbuf  (EvAsyncRenderer *renderer,
+				      	          int              page,
+						  double           scale,
+						  int              rotation);
+
+G_END_DECLS
+
+#endif