From 0c36f880db6f2d8936f0212d95c20173712e498f Mon Sep 17 00:00:00 2001
From: Edouard DUPIN <yui.heero@gmail.com>
Date: Mon, 20 May 2013 22:07:20 +0200
Subject: [PATCH] [DEV] add the possibility to draw triangle with negative size

---
 sources/ewol/compositing/Drawing.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/sources/ewol/compositing/Drawing.cpp b/sources/ewol/compositing/Drawing.cpp
index fc06006f..50bda2dc 100644
--- a/sources/ewol/compositing/Drawing.cpp
+++ b/sources/ewol/compositing/Drawing.cpp
@@ -498,8 +498,20 @@ void ewol::Drawing::Rectangle(vec3 dest)
 	 */
 	float dxA = m_position.x();
 	float dxB = dest.x();
+	if (dxA > dxB) {
+		// inverse order : 
+		float tmp = dxA;
+		dxA = dxB;
+		dxB = tmp;
+	}
 	float dyC = m_position.y();
 	float dyD = dest.y();
+	if (dyC > dyD) {
+		// inverse order : 
+		float tmp = dyC;
+		dyC = dyD;
+		dyD = tmp;
+	}
 	if (true == m_clippingEnable) {
 		if (dxA < m_clippingPosStart.x()) {
 			dxA = m_clippingPosStart.x();