Add support for loading fonts from files.

wxFont::AddPrivateFont() can now be used to load a font from a file for the
applications private use. Update the font sample to show this.

Closes #13568.

samples/font/makefile.bcc

@@ -213,7 +213,7 @@ $(OBJS):
 
 ### Targets: ###
 
-all: $(OBJS)\font.exe
+all: $(OBJS)\font.exe data
 
 clean: 
 	-if exist $(OBJS)\*.obj del $(OBJS)\*.obj
@@ -231,6 +231,10 @@ $(OBJS)\font.exe: $(FONT_OBJECTS)  $(OBJS)\font_sample.res
 	c0w32.obj $(FONT_OBJECTS),$@,, $(__WXLIB_CORE_p)  $(__WXLIB_BASE_p)  $(__WXLIB_MONO_p) $(__LIB_SCINTILLA_IF_MONO_p) $(__LIB_TIFF_p) $(__LIB_JPEG_p) $(__LIB_PNG_p)   wxzlib$(WXDEBUGFLAG).lib wxregex$(WXUNICODEFLAG)$(WXDEBUGFLAG).lib wxexpat$(WXDEBUGFLAG).lib $(EXTRALIBS_FOR_BASE) $(__CAIRO_LIB_p) ole2w32.lib oleacc.lib import32.lib cw32$(__THREADSFLAG_5)$(__RUNTIME_LIBS_8).lib,, $(OBJS)\font_sample.res
 |
 
+data:
+	if not exist $(OBJS) mkdir $(OBJS)
+	for %f in (wxprivate.ttf) do if not exist $(OBJS)\%f copy .\%f $(OBJS)
+
 $(OBJS)\font_sample.res: .\..\..\samples\sample.rc
 	brcc32 -32 -r -fo$@ -i$(BCCDIR)\include    -d__WXMSW__ $(__WXUNIV_DEFINE_p_1) $(__DEBUG_DEFINE_p_1) $(__NDEBUG_DEFINE_p_1) $(__EXCEPTIONS_DEFINE_p_1) $(__RTTI_DEFINE_p_1) $(__THREAD_DEFINE_p_1) $(__UNICODE_DEFINE_p_1) -i$(SETUPHDIR) -i.\..\..\include $(____CAIRO_INCLUDEDIR_FILENAMES_1_p) -i. $(__DLLFLAG_p_1) -i.\..\..\samples -i$(BCCDIR)\include\windows\sdk -dNOPCH .\..\..\samples\sample.rc