From ad1e6879dfef2a9a77c2d6af4c8a2677b04df62c Mon Sep 17 00:00:00 2001
From: Dmitry Marakasov <amdmi3@amdmi3.ru>
Date: Sat, 27 Dec 2014 05:17:01 +0300
Subject: [PATCH] Check for errors after calling SDL_image functions

Fixes #20
---
 SDL2pp/Texture.cc | 6 ++++--
 SDL2pp/Texture.hh | 4 ++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/SDL2pp/Texture.cc b/SDL2pp/Texture.cc
index 9b6ceec..0750ca3 100644
--- a/SDL2pp/Texture.cc
+++ b/SDL2pp/Texture.cc
@@ -46,11 +46,13 @@ Texture::Texture(Renderer& renderer, Uint32 format, int access, int w, int h) {
 
 #ifdef SDL2PP_WITH_IMAGE
 Texture::Texture(Renderer& renderer, RWops& rwops) {
-	texture_ = IMG_LoadTexture_RW(renderer.Get(), rwops.Get(), 0);
+	if ((texture_ = IMG_LoadTexture_RW(renderer.Get(), rwops.Get(), 0)) == nullptr)
+		throw Exception("IMG_LoadTexture_RW failed");
 }
 
 Texture::Texture(Renderer& renderer, const std::string& path) {
-	texture_ = IMG_LoadTexture(renderer.Get(), path.c_str());
+	if ((texture_ = IMG_LoadTexture(renderer.Get(), path.c_str())) == nullptr)
+		throw Exception("IMG_LoadTexture failed");
 }
 #endif
 
diff --git a/SDL2pp/Texture.hh b/SDL2pp/Texture.hh
index b4e72f9..17ff1dd 100644
--- a/SDL2pp/Texture.hh
+++ b/SDL2pp/Texture.hh
@@ -194,6 +194,8 @@ public:
 	/// \param renderer Rendering context to create texture for
 	/// \param rwops RWops used to access an image file
 	///
+	/// \throws SDL2pp::Exception
+	///
 	////////////////////////////////////////////////////////////
 	Texture(Renderer& renderer, RWops& rwops);
 
@@ -203,6 +205,8 @@ public:
 	/// \param renderer Rendering context to create texture for
 	/// \param filename Path to an image file
 	///
+	/// \throws SDL2pp::Exception
+	///
 	////////////////////////////////////////////////////////////
 	Texture(Renderer& renderer, const std::string& filename);
 #endif