1 files changed, 102 insertions, 0 deletions
diff --git a/gtk/src/icon_tools.c b/gtk/src/icon_tools.c
new file mode 100644
index 000000000..b63640bbe
--- /dev/null
+++ b/gtk/src/icon_tools.c
@@ -0,0 +1,102 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
+/*
+ * icon_tools.c
+ * Copyright (C) John Stebbins 2008 <stebbins@stebbins>
+ * 
+ * icon_tools.c is free software.
+ * 
+ * You may 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.
+ * 
+ */
+#include <glib.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gdk-pixbuf/gdk-pixdata.h>
+#include "icon_tools.h"
+
+GdkPixbuf*
+icon_deserialize(const guint8 *sd, guint len)
+{
+	GdkPixdata pd;
+	GdkPixbuf *pb;
+	GError *err = NULL;
+
+	gdk_pixdata_deserialize(&pd, len, sd, &err);
+	pb = gdk_pixbuf_from_pixdata(&pd, TRUE, &err);
+	return pb;
+}
+
+guint8*
+icon_serialize(const GdkPixbuf *pixbuf, guint *len)
+{
+	GdkPixdata pd;
+	guint8 *sd;
+
+	gdk_pixdata_from_pixbuf(&pd, pixbuf, FALSE);
+	sd = gdk_pixdata_serialize(&pd, len);
+	return sd;
+}
+
+guint8*
+icon_file_serialize(const gchar *filename, guint *len)
+{
+	GdkPixbuf *pb;
+	GError *err = NULL;
+
+	pb = gdk_pixbuf_new_from_file(filename, &err);
+	if (pb == NULL)
+	{
+		g_warning("Failed to open icon file %s: %s", filename, err->message);
+		return NULL;
+	}
+	return icon_serialize(pb, len);
+}
+
+GdkPixbuf*
+base64_to_icon(const gchar *bd)
+{
+	guchar *sd;
+	gsize len;
+	GdkPixdata pd;
+	GdkPixbuf *pb;
+	GError *err = NULL;
+
+	sd = g_base64_decode(bd, &len);
+	gdk_pixdata_deserialize(&pd, len, sd, &err);
+	pb = gdk_pixbuf_from_pixdata(&pd, TRUE, &err);
+	g_free(sd);
+	return pb;
+}
+
+gchar*
+icon_to_base64(const GdkPixbuf *pixbuf)
+{
+	GdkPixdata pd;
+	guint len;
+	guint8 *sd;
+	gchar *bd;
+
+	gdk_pixdata_from_pixbuf(&pd, pixbuf, FALSE);
+	sd = gdk_pixdata_serialize(&pd, &len);
+	bd = g_base64_encode(sd, len);
+	g_free(sd);
+	return bd;
+}
+
+gchar*
+icon_file_to_base64(const gchar *filename)
+{
+	GdkPixbuf *pb;
+	GError *err = NULL;
+
+	pb = gdk_pixbuf_new_from_file(filename, &err);
+	if (pb == NULL)
+	{
+		g_warning("Failed to open icon file %s: %s", filename, err->message);
+		return NULL;
+	}
+	return icon_to_base64(pb);
+}
+