From 23553b1330186d7392f19d1abacf5bef2f976241 Mon Sep 17 00:00:00 2001
From: Kiritow <1362050620@qq.com>
Date: Thu, 23 Mar 2017 14:01:06 +0800
Subject: [PATCH] Set Renderer::Renderer() to public Renderer::isReady() is
 added to check if the renderer is ready.

---
 MiniEngine.cpp | 5 +++++
 MiniEngine.h   | 3 +--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/MiniEngine.cpp b/MiniEngine.cpp
index 58d0844..7069156 100644
--- a/MiniEngine.cpp
+++ b/MiniEngine.cpp
@@ -403,6 +403,11 @@ namespace MiniEngine
 		return t;
 	}
 
+	bool Renderer::isReady()
+	{
+		return (rnd.get() != nullptr);
+	}
+
 	Window::Window(std::string Title, int Width, int Height, std::initializer_list<RendererType> RendererFlags) throw(ErrorViewer)
 	{
 		SDL_Window* temp = SDL_CreateWindow(Title.c_str(), SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_WINDOW_SHOWN);
diff --git a/MiniEngine.h b/MiniEngine.h
index 4bf3fae..cac60d0 100644
--- a/MiniEngine.h
+++ b/MiniEngine.h
@@ -163,9 +163,8 @@ namespace MiniEngine
 		Texture loadTexture(std::string FileName) throw(ErrorViewer);
 		Texture createTexture(int Width, int Height) throw(ErrorViewer);
 
-	protected:
-		/// This function is called by class Window ONLY.
 		Renderer() = default;
+		bool isReady();
 	private:
 		std::shared_ptr<SDL_Renderer> rnd;
 		friend class Window;