Added ImageWidget (#139)

* Added ImageWidget

* Remove useless ResizeToContent function

* Add ResizeToContent function

* Forgot operators

* Added textures & colors functions

* oops

SDK/include/NDK/Widgets/ImageWidget.inl

@@ -0,0 +1,46 @@
+// Copyright (C) 2017 Samy Bensaid
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
+
+#include <NDK/Widgets/ImageWidget.hpp>
+
+namespace Ndk
+{
+	inline const Nz::Color& ImageWidget::GetColor() const
+	{
+		return m_sprite->GetColor();
+	}
+
+	inline const Nz::TextureRef& ImageWidget::GetTexture() const
+	{
+		return m_sprite->GetMaterial()->GetDiffuseMap();
+	}
+
+	inline const Nz::Rectf& ImageWidget::GetTextureCoords() const
+	{
+		return m_sprite->GetTextureCoords();
+	}
+
+	inline void ImageWidget::SetColor(const Nz::Color& color)
+	{
+		m_sprite->SetColor(color);
+	}
+
+	inline void ImageWidget::SetTexture(const Nz::TextureRef& texture, bool resizeToContent)
+	{
+		m_sprite->SetTexture(texture, false);
+
+		if (resizeToContent)
+			ResizeToContent();
+	}
+
+	inline void ImageWidget::SetTextureCoords(const Nz::Rectf& coords)
+	{
+		m_sprite->SetTextureCoords(coords);
+	}
+
+	inline void ImageWidget::SetTextureRect(const Nz::Rectui& rect)
+	{
+		m_sprite->SetTextureRect(rect);
+	}
+}