From: Mikko Rasa <tdb@tdb.fi>
Date: Mon, 28 Feb 2011 15:27:15 +0000 (+0000)
Subject: Add a render method to Root that takes care of proper matrices
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=326def6adb29e42ace7a1f1e8455b6d710a23588;p=libs%2Fgltk.git

Add a render method to Root that takes care of proper matrices
---

diff --git a/source/root.cpp b/source/root.cpp
index fbb4cc6..1741646 100644
--- a/source/root.cpp
+++ b/source/root.cpp
@@ -5,6 +5,7 @@ Copyright © 2007-2009  Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
 
+#include <msp/gl/blend.h>
 #include <msp/input/keys.h>
 #include <msp/time/units.h>
 #include <msp/time/utils.h>
@@ -78,6 +79,15 @@ void Root::tick()
 	}
 }
 
+void Root::render() const
+{
+	GL::MatrixStack::projection() = GL::Matrix::ortho_bottomleft(geom.w, geom.h);
+	GL::MatrixStack::modelview() = GL::Matrix();
+	GL::Bind bind_blend(GL::Blend::alpha());
+
+	Widget::render();
+}
+
 void Root::button_press_event(int x, int y, unsigned btn, unsigned mod)
 {
 	if(visible)
diff --git a/source/root.h b/source/root.h
index 61c1a2e..db81706 100644
--- a/source/root.h
+++ b/source/root.h
@@ -40,19 +40,23 @@ private:
 
 public:
 	Root(const Resources &, Graphics::Window &);
-	void tick();
+
+	virtual const char *get_class() const { return "root"; }
 
 	const Resources &get_resources() const { return resources; }
 	virtual unsigned get_width() const { return geom.w; }
 	virtual unsigned get_height() const { return geom.h; }
 
+	void tick();
+	void render() const;
+
 private:
-	virtual const char *get_class() const { return "root"; }
 	void button_press_event(int, int, unsigned, unsigned);
 	void button_release_event(int, int, unsigned, unsigned);
 	void pointer_motion_event(int, int);
 	void key_press_event(unsigned, unsigned, wchar_t);
 	void key_release_event(unsigned, unsigned);
+
 	void translate_coords(int &, int &);
 };