X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f0545c140a5eb3db0075571bf9802a2ecbba2ecf..78cd9c69eb3f4c158fe10ce49325d57ec05d1306:/docs/latex/wx/font.tex?ds=sidebyside

diff --git a/docs/latex/wx/font.tex b/docs/latex/wx/font.tex
index b6e63e3ce1..f456343766 100644
--- a/docs/latex/wx/font.tex
+++ b/docs/latex/wx/font.tex
@@ -4,6 +4,13 @@ A font is an object which determines the appearance of text. Fonts are
 used for drawing text to a device context, and setting the appearance of
 a window's text.
 
+This class uses \helpref{reference counting and copy-on-write}{trefcount}
+internally so that assignments between two instances of this class are very
+cheap. You can therefore use actual objects instead of pointers without
+efficiency problems. If an instance of this class is changed it will create
+its own data internally so that other instances, which previously shared the
+data using the reference counting, are not affected.
+
 You can retrieve the current system font settings with \helpref{wxSystemSettings}{wxsystemsettings}.
 
 \helpref{wxSystemSettings}{wxsystemsettings}
@@ -17,6 +24,10 @@ You can retrieve the current system font settings with \helpref{wxSystemSettings
 
 <wx/font.h>
 
+\wxheading{Library}
+
+\helpref{wxCore}{librarieslist}
+
 \wxheading{Constants}
 
 The possible values for the \arg{family} parameter of \helpref{wxFont
@@ -165,6 +176,10 @@ wxSWISS\_FONT}
 
 Default constructor.
 
+\func{}{wxFont}{\param{const wxFont\&}{ font}}
+
+Copy constructor, uses \helpref{reference counting}{trefcount}.
+
 \func{}{wxFont}{\param{int}{ pointSize}, \param{wxFontFamily}{ family}, \param{int}{ style}, \param{wxFontWeight}{ weight},
  \param{const bool}{ underline = false}, \param{const wxString\& }{faceName = ""},
  \param{wxFontEncoding }{encoding = wxFONTENCODING\_DEFAULT}}
@@ -244,12 +259,10 @@ and \helpref{wxDC::GetTextExtent}{wxdcgettextextent}.
 \func{}{\destruct{wxFont}}{\void}
 
 Destructor.
+See \helpref{reference-counted object destruction}{refcountdestruct} for more info.
 
 \wxheading{Remarks}
 
-The destructor may not delete the underlying font object of the native windowing
-system, since wxFont uses a reference counting system for efficiency.
-
 Although all remaining fonts are deleted when the application exits,
 the application should try to clean up all fonts itself. This is because
 wxWidgets cannot know if a pointer to the font object is stored in an
@@ -304,8 +317,8 @@ family identifiers.
 
 \constfunc{wxString}{GetNativeFontInfoDesc}{\void}
 
-Returns the platform-dependent string completely describing this font or an
-empty string if the font wasn't constructed using the native font description.
+Returns the platform-dependent string completely describing this font.
+Returned string is always non-empty.
 Note that the returned string is not meant to be shown or edited by the user: a typical
 use of this function is for serializing in string-form a wxFont object.
 
@@ -318,7 +331,8 @@ use of this function is for serializing in string-form a wxFont object.
 
 \func{wxString}{GetNativeFontInfoUserDesc}{\void}
 
-Returns a user-friendly string for this font object. Some examples of the formats of returned strings (which are platform-dependent) are in \helpref{SetNativeFontInfoUserDesc}{wxfontsetnativefontinfouserdesc}.
+Returns a user-friendly string for this font object. Returned string is always non-empty.
+Some examples of the formats of returned strings (which are platform-dependent) are in \helpref{SetNativeFontInfoUserDesc}{wxfontsetnativefontinfouserdesc}.
 
 \wxheading{See also}
 
@@ -396,9 +410,9 @@ Using \texttt{New()} is currently the only way to directly create a font with
 the given size in pixels on platforms other than wxMSW.
 
 
-\membersection{wxFont::Ok}\label{wxfontok}
+\membersection{wxFont::IsOk}\label{wxfontisok}
 
-\constfunc{bool}{Ok}{\void}
+\constfunc{bool}{IsOk}{\void}
 
 Returns {\tt true} if this object is a valid font, {\tt false} otherwise.
 
@@ -417,9 +431,10 @@ Sets the default font encoding.
 
 \membersection{wxFont::SetFaceName}\label{wxfontsetfacename}
 
-\func{void}{SetFaceName}{\param{const wxString\& }{faceName}}
+\func{bool}{SetFaceName}{\param{const wxString\& }{faceName}}
 
 Sets the facename for the font.
+Returns \true if the given face name exists; \false otherwise.
 
 \wxheading{Parameters}
 
@@ -465,9 +480,10 @@ Sets the font family.
 
 \membersection{wxFont::SetNativeFontInfo}\label{wxfontsetnativefontinfo}
 
-\func{void}{SetNativeFontInfo}{\param{const wxString\& }{info}}
+\func{bool}{SetNativeFontInfo}{\param{const wxString\& }{info}}
 
-Creates the font corresponding to the given native font description string
+Creates the font corresponding to the given native font description string and returns \true if
+the creation was successful.
 which must have been previously returned by
 \helpref{GetNativeFontInfoDesc}{wxfontgetnativefontinfodesc}. If the string is
 invalid, font is unchanged. This function is typically used for de-serializing a wxFont
@@ -480,9 +496,10 @@ object previously saved in a string-form.
 
 \membersection{wxFont::SetNativeFontInfoUserDesc}\label{wxfontsetnativefontinfouserdesc}
 
-\func{void}{SetNativeFontInfoUserDesc}{\param{const wxString\& }{info}}
+\func{bool}{SetNativeFontInfoUserDesc}{\param{const wxString\& }{info}}
 
-Creates the font corresponding to the given native font description string.
+Creates the font corresponding to the given native font description string and returns \true if
+the creation was successful.
 Unlike \helpref{SetNativeFontInfo}{wxfontsetnativefontinfo}, this function accepts
 strings which are user-friendly.
 Examples of accepted string formats are:
@@ -495,7 +512,7 @@ Examples of accepted string formats are:
 \twocolitem{on {\bf wxMac}: FIXME}{FIXME}
 \end{twocollist}
 
-For more detailed information about the allowed syntaxes you can look at the documentation of the native API used for font-rendering (e.g. \urlref{pango_font_description_from_string}{http://developer.gnome.org/doc/API/2.0/pango/pango-Fonts.html\#pango-font-description-from-string}).
+For more detailed information about the allowed syntaxes you can look at the documentation of the native API used for font-rendering (e.g. \urlref{pango\_font\_description\_from\_string}{http://developer.gnome.org/doc/API/2.0/pango/pango-Fonts.html\#pango-font-description-from-string}).
 
 \wxheading{See also}
 
@@ -574,24 +591,21 @@ Sets the font weight.
 
 \func{wxFont\&}{operator $=$}{\param{const wxFont\& }{font}}
 
-Assignment operator, using reference counting. Returns a reference
-to `this'.
+Assignment operator, using \helpref{reference counting}{trefcount}.
 
 
 \membersection{wxFont::operator $==$}\label{wxfontequals}
 
 \func{bool}{operator $==$}{\param{const wxFont\& }{font}}
 
-Equality operator. Two fonts are equal if they contain pointers
-to the same underlying font data. It does not compare each attribute,
-so two independently-created fonts using the same parameters will
-fail the test.
+Equality operator.
+See \helpref{reference-counted object comparison}{refcountequality} for more info.
 
 
 \membersection{wxFont::operator $!=$}\label{wxfontnotequals}
 
 \func{bool}{operator $!=$}{\param{const wxFont\& }{font}}
 
-Inequality operator. Two fonts are not equal if they contain pointers
-to different underlying font data. It does not compare each attribute.
+Inequality operator.
+See \helpref{reference-counted object comparison}{refcountequality} for more info.
 
