X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dccce9eae10e099d791cc055dd02d3dda731778e..1661354b7768a23db967756181858ac32ca03d01:/docs/latex/wx/fontmap.tex

diff --git a/docs/latex/wx/fontmap.tex b/docs/latex/wx/fontmap.tex
index fbf85fdf19..6a3abc88d7 100644
--- a/docs/latex/wx/fontmap.tex
+++ b/docs/latex/wx/fontmap.tex
@@ -11,45 +11,39 @@ names and the fonts present on the machine.
 The default implementations of all functions will ask the user if they are
 not capable of finding the answer themselves and store the answer in a
 config file (configurable via SetConfigXXX functions). This behaviour may
-be disabled by giving the value of FALSE to "interactive" parameter.
+be disabled by giving the value of false to "interactive" parameter.
 
 However, the functions will always consult the config file to allow the
 user-defined values override the default logic and there is no way to
 disable this - which shouldn't be ever needed because if "interactive" was
-never TRUE, the config file is never created anyhow.
+never true, the config file is never created anyhow.
 
 In case everything else fails (i.e. there is no record in config file
-and "interactive" is FALSE or user denied to choose any replacement), 
+and "interactive" is false or user denied to choose any replacement), 
 the class queries \helpref{wxEncodingConverter}{wxencodingconverter} 
 for "equivalent" encodings (e.g. iso8859-2 and cp1250) and tries them.
 
-\wxheading{Global variables}
-
-{\tt wxFontMapper *wxTheFontMapper} is defined.
-
-\wxheading{Using wxFontMapper in conjunction with wxEncodingConverter}
+\wxheading{Using wxFontMapper in conjunction with wxMBConv classes}
 
 If you need to display text in encoding which is not available at
 host system (see \helpref{IsEncodingAvailable}{wxfontmapperisencodingavailable}),
 you may use these two classes to find font in some similar encoding
 (see \helpref{GetAltForEncoding}{wxfontmappergetaltforencoding})
 and convert the text to this encoding 
-(\helpref{wxEncodingConverter::Convert}{wxencodingconverterconvert}).
+(\helpref{wxMBConv classes}{mbconvclasses}).
 
 Following code snippet demonstrates it:
 
 \begin{verbatim}
-if (!wxTheFontMapper->IsEncodingAvailable(enc, facename))
+if (!wxFontMapper::Get()->IsEncodingAvailable(enc, facename))
 {
    wxFontEncoding alternative;
-   if (wxTheFontMapper->GetAltForEncoding(enc, &alternative,
-                                          facename, FALSE))
+   if (wxFontMapper::Get()->GetAltForEncoding(enc, &alternative,
+                                              facename, false))
    {
-       wxEncodingConverter encconv;
-       if (!encconv.Init(enc, alternative))
-           ...failure...
-       else
-           text = encconv.Convert(text);
+       wxCSConv convFrom(wxFontMapper::Get()->GetEncodingName(enc));
+       wxCSConv convTo(wxFontMapper::Get()->GetEncodingName(alternative));
+       text = wxString(text.mb_str(convFrom), convTo);
    }
    else
        ...failure (or we may try iso8859-1/7bit ASCII)...
@@ -73,46 +67,107 @@ No base class
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 
+
 \membersection{wxFontMapper::wxFontMapper}\label{wxfontmapperwxfontmapper}
 
 \func{}{wxFontMapper}{\void}
 
 Default ctor.
 
+\wxheading{Note}
+
+The preferred way of creating a wxFontMapper instance is to call 
+\helpref{wxFontMapper::Get}{wxfontmapperget}.
+
+
 \membersection{wxFontMapper::\destruct{wxFontMapper}}\label{wxfontmapperdtor}
 
 \func{}{\destruct{wxFontMapper}}{\void}
 
 Virtual dtor for a base class.
 
+
+\membersection{wxFontMapper::CharsetToEncoding}\label{wxfontmappercharsettoencoding}
+
+\func{wxFontEncoding}{CharsetToEncoding}{\param{const wxString\& }{charset}, \param{bool }{interactive = true}}
+
+Returns the encoding for the given charset (in the form of RFC 2046) or
+\texttt{wxFONTENCODING\_SYSTEM} if couldn't decode it.
+
+Be careful when using this function with \arg{interactive} set to \true
+(default value) as the function then may show a dialog box to the user which
+may lead to unexpected reentrancies and may also take a significantly longer
+time than a simple function call. For these reasons, it is almost always a bad
+idea to call this function from the event handlers for repeatedly generated
+events such as \texttt{EVT\_PAINT}.
+
+
+\membersection{wxFontMapper::Get}\label{wxfontmapperget}
+
+\func{static wxFontMapper *}{Get}{\void}
+
+Get the current font mapper object. If there is no current object, creates
+one.
+
+\wxheading{See also}
+
+\helpref{wxFontMapper::Set}{wxfontmapperset}
+
+
+\membersection{wxFontMapper::GetAllEncodingNames}\label{wxfontmappergetallencodingnames}
+
+\func{static const wxChar**}{GetAllEncodingNames}{\param{wxFontEncoding }{encoding}}
+
+Returns the array of all possible names for the given encoding. The array is
+\NULL-terminated. IF it isn't empty, the first name in it is the canonical
+encoding name, i.e. the same string as returned by 
+\helpref{GetEncodingName()}{wxfontmappergetencodingname}.
+
+
 \membersection{wxFontMapper::GetAltForEncoding}\label{wxfontmappergetaltforencoding}
 
-\func{bool}{GetAltForEncoding}{\param{wxFontEncoding }{encoding}, \param{wxNativeEncodingInfo* }{info}, \param{const wxString\& }{facename = wxEmptyString}, \param{bool }{interactive = TRUE}}
+\func{bool}{GetAltForEncoding}{\param{wxFontEncoding }{encoding}, \param{wxNativeEncodingInfo* }{info}, \param{const wxString\& }{facename = wxEmptyString}, \param{bool }{interactive = true}}
 
-\func{bool}{GetAltForEncoding}{\param{wxFontEncoding }{encoding}, \param{wxFontEncoding* }{alt\_encoding}, \param{const wxString\& }{facename = wxEmptyString}, \param{bool }{interactive = TRUE}}
+\func{bool}{GetAltForEncoding}{\param{wxFontEncoding }{encoding}, \param{wxFontEncoding* }{alt\_encoding}, \param{const wxString\& }{facename = wxEmptyString}, \param{bool }{interactive = true}}
 
 Find an alternative for the given encoding (which is supposed to not be
-available on this system). If successful, return TRUE and fill info
+available on this system). If successful, return true and fill info
 structure with the parameters required to create the font, otherwise
-return FALSE.
+return false.
 
-The first form is for wxWindows' internal use while the second one
+The first form is for wxWidgets' internal use while the second one
 is better suitable for general use -- it returns wxFontEncoding which
 can consequently be passed to wxFont constructor.
 
-\membersection{wxFontMapper::IsEncodingAvailable}\label{wxfontmapperisencodingavailable}
 
-\func{bool}{IsEncodingAvailable}{\param{wxFontEncoding }{encoding}, \param{const wxString\& }{facename = wxEmptyString}}
+\membersection{wxFontMapper::GetEncoding}\label{wxfontmappergetencoding}
 
-Check whether given encoding is available in given face or not.
-If no facename is given, find {\it any} font in this encoding.
+\func{static wxFontEncoding}{GetEncoding}{\param{size\_t }{n}}
 
-\membersection{wxFontMapper::CharsetToEncoding}\label{wxfontmappercharsettoencoding}
+Returns the {\it n}-th supported encoding. Together with 
+\helpref{GetSupportedEncodingsCount()}{wxfontmappergetsupportedencodingscount} 
+this method may be used to get all supported encodings.
 
-\func{wxFontEncoding}{CharsetToEncoding}{\param{const wxString\& }{charset}, \param{bool }{interactive = TRUE}}
 
-Returns the encoding for the given charset (in the form of RFC 2046) or
-wxFONTENCODING\_SYSTEM if couldn't decode it.
+\membersection{wxFontMapper::GetEncodingDescription}\label{wxfontmappergetencodingdescription}
+
+\func{static wxString}{GetEncodingDescription}{\param{wxFontEncoding }{encoding}}
+
+Return user-readable string describing the given encoding.
+
+
+\membersection{wxFontMapper::GetEncodingFromName}\label{wxfontmappergetencodingfromname}
+
+\func{static wxFontEncoding}{GetEncodingFromName}{\param{const wxString\& }{encoding}}
+
+Return the encoding corresponding to the given internal name. This function is
+the inverse of \helpref{GetEncodingName}{wxfontmappergetencodingname} and is
+intentionally less general than 
+\helpref{CharsetToEncoding}{wxfontmappercharsettoencoding}, i.e. it doesn't
+try to make any guesses nor ever asks the user. It is meant just as a way of
+restoring objects previously serialized using 
+\helpref{GetEncodingName}{wxfontmappergetencodingname}.
+
 
 \membersection{wxFontMapper::GetEncodingName}\label{wxfontmappergetencodingname}
 
@@ -121,11 +176,27 @@ wxFONTENCODING\_SYSTEM if couldn't decode it.
 Return internal string identifier for the encoding (see also 
 \helpref{GetEncodingDescription()}{wxfontmappergetencodingdescription})
 
-\membersection{wxFontMapper::GetEncodingDescription}\label{wxfontmappergetencodingdescription}
+\wxheading{See also}
 
-\func{static wxString}{GetEncodingDescription}{\param{wxFontEncoding }{encoding}}
+\helpref{GetEncodingFromName}{wxfontmappergetencodingfromname}
+
+
+\membersection{wxFontMapper::GetSupportedEncodingsCount}\label{wxfontmappergetsupportedencodingscount}
+
+\func{static size\_t}{GetSupportedEncodingsCount}{\void}
+
+Returns the number of the font encodings supported by this class. Together with 
+\helpref{GetEncoding}{wxfontmappergetencoding} this method may be used to get
+all supported encodings.
+
+
+\membersection{wxFontMapper::IsEncodingAvailable}\label{wxfontmapperisencodingavailable}
+
+\func{bool}{IsEncodingAvailable}{\param{wxFontEncoding }{encoding}, \param{const wxString\& }{facename = wxEmptyString}}
+
+Check whether given encoding is available in given face or not.
+If no facename is given, find {\it any} font in this encoding.
 
-Return user-readable string describing the given encoding.
 
 \membersection{wxFontMapper::SetDialogParent}\label{wxfontmappersetdialogparent}
 
@@ -133,12 +204,27 @@ Return user-readable string describing the given encoding.
 
 The parent window for modal dialogs.
 
+
 \membersection{wxFontMapper::SetDialogTitle}\label{wxfontmappersetdialogtitle}
 
 \func{void}{SetDialogTitle}{\param{const wxString\& }{title}}
 
 The title for the dialogs (note that default is quite reasonable).
 
+
+\membersection{wxFontMapper::Set}\label{wxfontmapperset}
+
+\func{static wxFontMapper *}{Set}{\param{wxFontMapper *}{mapper}}
+
+Set the current font mapper object and return previous one (may be NULL).
+This method is only useful if you want to plug-in an alternative font mapper
+into wxWidgets.
+
+\wxheading{See also}
+
+\helpref{wxFontMapper::Get}{wxfontmapperget}
+
+
 \membersection{wxFontMapper::SetConfig}\label{wxfontmappersetconfig}
 
 \func{void}{SetConfig}{\param{wxConfigBase* }{config}}
@@ -149,6 +235,7 @@ By default, the global one (from wxConfigBase::Get() will be used)
 and the default root path for the config settings is the string returned by
 GetDefaultConfigPath().
 
+
 \membersection{wxFontMapper::SetConfigPath}\label{wxfontmappersetconfigpath}
 
 \func{void}{SetConfigPath}{\param{const wxString\& }{prefix}}
