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std::string_view

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This commit is contained in:
Jinhao
2018-06-09 01:21:10 +08:00
parent ffee0e5a3b
commit fc7743cbe2
8 changed files with 263 additions and 56 deletions
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31
include/nana/paint/graphics.hpp
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@@ -120,8 +120,17 @@ namespace nana
///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;
//bool glyph_pixels(std::wstring_view text, unsigned* pxbuf) const; //deprecated
/// Returns a buffer which stores the pixel of each charater stored in text.
/**
* @param text The text to be requested.
* @return A buffer which stores the pixel of each character stored in text, its length is same with text's length. If text is empty, it returns a buffer with a senseless value.
*/
std::unique_ptr<unsigned[]> glyph_pixels(std::wstring_view text) const;
::nana::size bidi_extent_size(std::string_view utf8_text) const;
::nana::size bidi_extent_size(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;
@@ -135,9 +144,10 @@ namespace nana
::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;
#endif
bool text_metrics(unsigned & ascent, unsigned& descent, unsigned& internal_leading) const;
@@ -180,12 +190,22 @@ namespace nana
::nana::color palette(bool for_text) const;
graphics& palette(bool for_text, const ::nana::color&);
unsigned bidi_string(const nana::point&, const wchar_t *, std::size_t len);
unsigned bidi_string(const point& pos, const char*, std::size_t len);
void set_pixel(int x, int y, const ::nana::color&);
void set_pixel(int x, int y);
#ifdef _nana_std_has_string_view
unsigned bidi_string(const point&, std::string_view utf8str);
unsigned bidi_string(const point& pos, std::wstring_view str);
void string(const point&, std::string_view utf8str);
void string(const point&, std::string_view utf8str, const nana::color&);
void string(const point&, std::wstring_view str);
void string(const point&, std::wstring_view str, const nana::color&);
#else
unsigned bidi_string(const nana::point&, const wchar_t *, std::size_t len);
unsigned bidi_string(const point& pos, const char*, std::size_t len);
void string(const point&, const std::string& text_utf8);
void string(const point&, const std::string& text_utf8, const color&);
@@ -193,6 +213,7 @@ namespace nana
void string(const point&, const wchar_t*);
void string(const point&, const ::std::wstring&);
void string(const point&, const ::std::wstring&, const color&);
#endif
void line(const point&, const point&);
void line(const point&, const point&, const color&);