std::string_view

2018-06-09 01:21:10 +08:00
parent ffee0e5a3b
commit fc7743cbe2
8 changed files with 263 additions and 56 deletions
--- a/source/paint/detail/native_paint_interface.cpp
+++ b/source/paint/detail/native_paint_interface.cpp
@@ -168,7 +168,11 @@ namespace detail
 		{

 #if defined(NANA_WINDOWS)
+#ifdef _nana_std_has_string_view
+			auto wstr = to_wstring(std::string_view(text, len));
+#else
 			auto wstr = to_wstring(std::string(text,len));
+#endif
 			::SIZE size;
 			if (::GetTextExtentPoint32(dw->context, wstr.c_str(), static_cast<int>(wstr.size()), &size))
 				return nana::size(size.cx, size.cy);