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std::string_view

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Jinhao
2018-06-07 18:02:40 +08:00
parent 88d395353e
commit ffee0e5a3b
4 changed files with 165 additions and 16 deletions
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11
include/nana/paint/graphics.hpp
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@@ -1,7 +1,7 @@
/*
* Paint Graphics Implementation
* Nana C++ Library(http://www.nanapro.org)
* Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
* Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
@@ -116,6 +116,12 @@ namespace nana
#ifdef _nana_std_has_string_view
::nana::size text_extent_size(std::string_view text) const;
::nana::size text_extent_size(std::wstring_view text) const;
///Only supports the wide string, because it is very hard to specify the begin and end position in a UTF-8 string.
::nana::size glyph_extent_size(std::wstring_view text, std::size_t begin, std::size_t end) const;
bool glyph_pixels(std::wstring_view text, unsigned* pxbuf) const;
std::unique_ptr<unsigned[]> glyph_pixels(std::wstring_view text) const;
#else
::nana::size text_extent_size(const ::std::string&) const;
::nana::size text_extent_size(const char*, std::size_t len) const;
@@ -124,11 +130,12 @@ namespace nana
::nana::size text_extent_size(const ::std::wstring&) const; ///< Computes the width and height of the specified string of text.
::nana::size text_extent_size(const wchar_t*, std::size_t length) const; ///< Computes the width and height of the specified string of text with the specified length.
::nana::size text_extent_size(const ::std::wstring&, std::size_t length) const; ///< Computes the width and height of the specified string of text with the specified length.
#endif
::nana::size glyph_extent_size(const wchar_t*, std::size_t length, std::size_t begin, std::size_t end) const;
::nana::size glyph_extent_size(const ::std::wstring&, std::size_t length, std::size_t begin, std::size_t end) const;
bool glyph_pixels(const wchar_t *, std::size_t length, unsigned* pxbuf) const;
#endif
::nana::size bidi_extent_size(const std::wstring&) const;
::nana::size bidi_extent_size(const std::string&) const;