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Documentation: clarification of fl_width()'s dependence on the current font face/size.

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10320 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
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Greg Ercolano 2014-09-18 15:25:55 +00:00
parent 36b1ad056a
commit d5698e8ed9
1 changed files with 6 additions and 3 deletions
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9
FL/fl_draw.H
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@ -531,11 +531,14 @@ FL_EXPORT int fl_height(int font, int size);
draw the text at so it looks centered vertically in that box.
*/
inline int fl_descent() {return fl_graphics_driver->descent();}
/** Returns the typographical width of a nul-terminated string */
/** Returns the typographical width of a nul-terminated string
using the current font face and size. */
FL_EXPORT double fl_width(const char* txt);
/** Returns the typographical width of a sequence of \p n characters */
/** Returns the typographical width of a sequence of \p n characters
using the current font face and size. */
inline double fl_width(const char* txt, int n) {return fl_graphics_driver->width(txt, n);}
/** Returns the typographical width of a single character.
/** Returns the typographical width of a single character
using the current font face and size.
\note if a valid fl_gc is NOT found then it uses the first window gc,
or the screen gc if no fltk window is available when called. */
inline double fl_width(unsigned int c) {return fl_graphics_driver->width(c);}