From e0b5d05b9f4f3eb92c50ac5609c5ffbfca396e43 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Mon, 7 Sep 2015 22:47:29 +0200
Subject: [PATCH] Allow creating ImageView with nullptr data.

---
 src/Magnum/ImageView.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Magnum/ImageView.h b/src/Magnum/ImageView.h
index 3b3ed5213..5bdcf57c5 100644
--- a/src/Magnum/ImageView.h
+++ b/src/Magnum/ImageView.h
@@ -71,7 +71,7 @@ template<UnsignedInt dimensions> class ImageView {
          * parameters.
          */
         explicit ImageView(PixelStorage storage, PixelFormat format, PixelType type, const VectorTypeFor<dimensions, Int>& size, Containers::ArrayView<const void> data) noexcept: _storage{storage}, _format{format}, _type{type}, _size{size}, _data{reinterpret_cast<const char*>(data.data()), data.size()} {
-            CORRADE_ASSERT(Implementation::imageDataSize(*this) <= _data.size(), "ImageView::ImageView(): bad image data size, got" << _data.size() << "but expected at least" << Implementation::imageDataSize(*this), );
+            CORRADE_ASSERT(!_data || Implementation::imageDataSize(*this) <= _data.size(), "ImageView::ImageView(): bad image data size, got" << _data.size() << "but expected at least" << Implementation::imageDataSize(*this), );
         }
 
         /** @overload