From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 10 Sep 2017 12:31:30 +0000 (+0300)
Subject: Throw an exception if a referenced external image is not found
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=e1e7bc3e7720525cf05eb78704d5ad606cfec164;hp=44207448bbabc5fb2c89537168dbe3f2268f804e

Throw an exception if a referenced external image is not found
---

diff --git a/source/texture2darray.cpp b/source/texture2darray.cpp
index 4123f0e2..1a085ed8 100644
--- a/source/texture2darray.cpp
+++ b/source/texture2darray.cpp
@@ -64,6 +64,8 @@ void Texture2DArray::Loader::external_image(unsigned z, const string &fn)
 {
 	Graphics::Image img;
 	RefPtr<IO::Seekable> io = get_collection().open_raw(fn);
+	if(!io)
+		throw IO::file_not_found(fn);
 	img.load_io(*io);
 
 	obj.layer_image(0, z, img);