Add thumbnail support.

2004-12-22  Anders Carlsson  <andersca@gnome.org>

	* backend/Makefile.am:
	* backend/ev-document-thumbnails.c:
	(ev_document_thumbnails_get_type),
	(ev_document_thumbnails_get_thumbnail):
	* backend/ev-document-thumbnails.h:
	* pixbuf/pixbuf-document.c: (G_DEFINE_TYPE_WITH_CODE),
	(pixbuf_document_thumbnails_get_thumbnail),
	(pixbuf_document_document_thumbnails_iface_init):
	* shell/Makefile.am:
	* shell/ev-sidebar-thumbnails.c: (ev_sidebar_thumbnails_destroy),
	(ev_sidebar_thumbnails_class_init), (ev_sidebar_thumbnails_init),
	(populate_thumbnails), (ev_sidebar_thumbnails_set_document):
	* shell/ev-sidebar-thumbnails.h:
	* shell/ev-sidebar.c: (ev_sidebar_init), (ev_sidebar_add_page),
	(ev_sidebar_set_document):
	* shell/ev-utils.c: (gaussian), (create_blur_filter),
	(create_shadow), (ev_pixbuf_add_shadow):
	* shell/ev-utils.h:
	Add thumbnail support.

3 files changed, 113 insertions, 0 deletions

diff --git a/backend/Makefile.am b/backend/Makefile.am
index 4450297..2f54157 100644
--- a/backend/Makefile.am
+++ b/backend/Makefile.am
@@ -13,6 +13,8 @@ libevbackend_la_SOURCES=			\
 	ev-backend-marshal.c			\
 	ev-document.c				\
 	ev-document.h				\
+	ev-document-thumbnails.c		\
+	ev-document-thumbnails.h		\
 	ev-document-bookmarks.c			\
 	ev-document-bookmarks.h			\
 	$(NULL)
diff --git a/backend/ev-document-thumbnails.c b/backend/ev-document-thumbnails.c
new file mode 100644
index 0000000..e9c53ab
--- /dev/null
+++ b/backend/ev-document-thumbnails.c
@@ -0,0 +1,55 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/*
+ *  Copyright (C) 2004 Anders Carlsson <andersca@gnome.org>
+ *
+ *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include "config.h"
+
+#include "ev-document-thumbnails.h"
+
+GType
+ev_document_thumbnails_get_type (void)
+{
+	static GType type = 0;
+
+	if (G_UNLIKELY (type == 0))
+	{
+		static const GTypeInfo our_info =
+		{
+			sizeof (EvDocumentThumbnailsIface),
+			NULL,
+			NULL,
+		};
+
+		type = g_type_register_static (G_TYPE_INTERFACE,
+					       "EvDocumentThumbnails",
+					       &our_info, (GTypeFlags)0);
+	}
+
+	return type;
+}
+
+GdkPixbuf *
+ev_document_thumbnails_get_thumbnail (EvDocumentThumbnails   *document,
+				      gint 		      page,
+				      gint		      width)
+{
+	EvDocumentThumbnailsIface *iface = EV_DOCUMENT_THUMBNAILS_GET_IFACE (document);
+	
+	return iface->get_thumbnail (document, page, width);
+}
diff --git a/backend/ev-document-thumbnails.h b/backend/ev-document-thumbnails.h
new file mode 100644
index 0000000..fdc1e80
--- /dev/null
+++ b/backend/ev-document-thumbnails.h
@@ -0,0 +1,56 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/*
+ *  Copyright (C) 2004 Anders Carlsson
+ *
+ *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifndef EV_DOCUMENT_THUMBNAILS_H
+#define EV_DOCUMENT_THUMBNAILS_H
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+G_BEGIN_DECLS
+
+#define EV_TYPE_DOCUMENT_THUMBNAILS	    (ev_document_thumbnails_get_type ())
+#define EV_DOCUMENT_THUMBNAILS(o)		    (G_TYPE_CHECK_INSTANCE_CAST ((o), EV_TYPE_DOCUMENT_THUMBNAILS, EvDocumentThumbnails))
+#define EV_DOCUMENT_THUMBNAILS_IFACE(k)	    (G_TYPE_CHECK_CLASS_CAST((k), EV_TYPE_DOCUMENT_THUMBNAILS, EvDocumentThumbnailsIface))
+#define EV_IS_DOCUMENT_THUMBNAILS(o)	    (G_TYPE_CHECK_INSTANCE_TYPE ((o), EV_TYPE_DOCUMENT_THUMBNAILS))
+#define EV_IS_DOCUMENT_THUMBNAILS_IFACE(k)	    (G_TYPE_CHECK_CLASS_TYPE ((k), EV_TYPE_DOCUMENT_THUMBNAILS))
+#define EV_DOCUMENT_THUMBNAILS_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), EV_TYPE_DOCUMENT_THUMBNAILS, EvDocumentThumbnailsIface))
+
+typedef struct _EvDocumentThumbnails	EvDocumentThumbnails;
+typedef struct _EvDocumentThumbnailsIface	EvDocumentThumbnailsIface;
+
+struct _EvDocumentThumbnailsIface
+{
+	GTypeInterface base_iface;
+
+	/* Methods  */
+	GdkPixbuf *  (* get_thumbnail) (EvDocumentThumbnails   *document,
+					gint 		        page,
+					gint                    width);
+};
+
+GType ev_document_thumbnails_get_type (void);
+
+GdkPixbuf *ev_document_thumbnails_get_thumbnail (EvDocumentThumbnails   *document,
+						 gint 			 page,
+						 gint			 width);
+
+G_END_DECLS
+
+#endif