From 0e58d20fc6c22fc95b8236d3d53079c062a0041d Mon Sep 17 00:00:00 2001
From: Jonathan Blandford <jrb@redhat.com>
Date: Wed, 05 Jan 2005 07:35:14 +0000
Subject: New misc file to do simple drop shadows.

Wed Jan  5 02:33:06 2005  Jonathan Blandford  <jrb@redhat.com>

        * backend/ev-document-misc.[ch]: New misc file to do simple drop
        shadows.

        * pdf/xpdf/pdf-document.cc: use the drop shadows in both types of
        thumbnails..
---
(limited to 'backend')

diff --git a/backend/Makefile.am b/backend/Makefile.am
index 1e77a35..e2c3245 100644
--- a/backend/Makefile.am
+++ b/backend/Makefile.am
@@ -21,6 +21,8 @@ libevbackend_la_SOURCES=			\
 	ev-document-find.h			\
 	ev-ps-exporter.c			\
 	ev-ps-exporter.h			\
+	ev-document-misc.h			\
+	ev-document-misc.c			\
 	$(NULL)
 
 BUILT_SOURCES=				\
diff --git a/backend/ev-document-misc.c b/backend/ev-document-misc.c
new file mode 100644
index 0000000..ca818b7
--- /dev/null
+++ b/backend/ev-document-misc.c
@@ -0,0 +1,53 @@
+
+#include "ev-document-misc.h"
+
+/* Returns a new GdkPixbuf that is suitable for placing in the thumbnail view.
+ * It is four pixels wider and taller than the source.  If source_pixbuf is not
+ * NULL, then it will fill the return pixbuf with the contents of
+ * source_pixbuf. */
+GdkPixbuf *
+ev_document_misc_get_thumbnail_frame (int        width,
+				      int        height,
+				      GdkPixbuf *source_pixbuf)
+{
+	GdkPixbuf *retval;
+	guchar *data;
+	gint rowstride;
+
+	if (source_pixbuf)
+		g_return_val_if_fail (GDK_IS_PIXBUF (source_pixbuf), NULL);
+
+	if (source_pixbuf) {
+		width = gdk_pixbuf_get_width (source_pixbuf);
+		height = gdk_pixbuf_get_height (source_pixbuf);
+	}
+
+	/* make sure no one is passing us garbage */
+	g_assert (width > 0 && height > 0);
+
+	retval = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
+				 TRUE, 8,
+				 width + 4,
+				 height + 4);
+	gdk_pixbuf_fill (retval, 0x000000ff);
+	if (source_pixbuf)
+		gdk_pixbuf_copy_area (source_pixbuf, 0, 0,
+				      width,
+				      height,
+				      retval,
+				      1, 1);
+	/* Add the corner */
+	data = gdk_pixbuf_get_pixels (retval);
+	rowstride = gdk_pixbuf_get_rowstride (retval);
+	data [(width + 2) * 4 + 3] = 0;
+	data [(width + 3) * 4 + 3] = 0;
+	data [(width + 2) * 4 + (rowstride * 1) + 3] = 0;
+	data [(width + 3) * 4 + (rowstride * 1) + 3] = 0;
+
+	data [(height + 2) * rowstride + 3] = 0;
+	data [(height + 3) * rowstride + 3] = 0;
+	data [(height + 2) * rowstride + 4 + 3] = 0;
+	data [(height + 3) * rowstride + 4 + 3] = 0;
+
+	return retval;
+}
diff --git a/backend/ev-document-misc.h b/backend/ev-document-misc.h
new file mode 100644
index 0000000..1fae363
--- /dev/null
+++ b/backend/ev-document-misc.h
@@ -0,0 +1,37 @@
+/* -*- 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *  $Id$
+ */
+
+#ifndef EV_DOCUMENT_MISC_H
+#define EV_DOCUMENT_MISC_H
+
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+G_BEGIN_DECLS
+
+
+GdkPixbuf *ev_document_misc_get_thumbnail_frame (int        width,
+						 int        height,
+						 GdkPixbuf *source_pixbuf);
+
+G_END_DECLS
+
+#endif /* EV_DOCUMENT_MISC_H */
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