Formspec: draw order and clipping for all elements (#8740)

src/gui/guiBackgroundImage.h

@@ -0,0 +1,38 @@
+/*
+Part of Minetest
+Copyright (C) 2013 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl>
+
+Permission to use, copy, modify, and distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#pragma once
+
+#include "irrlichttypes_extrabloated.h"
+#include "util/string.h"
+#include "client/tile.h" // ITextureSource
+
+class GUIBackgroundImage : public gui::IGUIElement
+{
+public:
+	GUIBackgroundImage(gui::IGUIEnvironment *env, gui::IGUIElement *parent, s32 id,
+		const core::rect<s32> &rectangle, const std::string &name,
+		const core::rect<s32> &middle, ISimpleTextureSource *tsrc, bool autoclip);
+
+	virtual void draw() override;
+
+private:
+	std::string m_name;
+	core::rect<s32> m_middle;
+	ISimpleTextureSource *m_tsrc;
+	bool m_autoclip;
+};