// Author: Vadim Zeitlin
// Modified by:
// Created: 05.11.99
-// RCS-ID: $Id$
-// Copyright: (c) wxWindows team
-// Licence: wxWindows license
+// Copyright: (c) wxWidgets team
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-// General note: this header is private to wxWindows and is not supposed to be
+// General note: this header is private to wxWidgets and is not supposed to be
// included by user code. The functions declared here are implemented in
// msw/fontutil.cpp for Windows, unix/fontutil.cpp for GTK/Motif &c.
#ifndef _WX_FONTUTIL_H_
#define _WX_FONTUTIL_H_
-#ifdef __GNUG__
- #pragma interface "fontutil.h"
-#endif
-
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/font.h" // for wxFont and wxFontEncoding
-// for our purposes here, GDK and X are identical
-#if defined(__WXGTK__) || defined(__X__)
- #define _WX_X_FONTLIKE
+#if defined(__WXMSW__)
+ #include "wx/msw/wrapwin.h"
#endif
+class WXDLLIMPEXP_FWD_BASE wxArrayString;
+struct WXDLLIMPEXP_FWD_CORE wxNativeEncodingInfo;
+
+#if defined(_WX_X_FONTLIKE)
+
+// the symbolic names for the XLFD fields (with examples for their value)
+//
+// NB: we suppose that the font always starts with the empty token (font name
+// registry field) as we never use nor generate it anyhow
+enum wxXLFDField
+{
+ wxXLFD_FOUNDRY, // adobe
+ wxXLFD_FAMILY, // courier, times, ...
+ wxXLFD_WEIGHT, // black, bold, demibold, medium, regular, light
+ wxXLFD_SLANT, // r/i/o (roman/italique/oblique)
+ wxXLFD_SETWIDTH, // condensed, expanded, ...
+ wxXLFD_ADDSTYLE, // whatever - usually nothing
+ wxXLFD_PIXELSIZE, // size in pixels
+ wxXLFD_POINTSIZE, // size in points
+ wxXLFD_RESX, // 72, 75, 100, ...
+ wxXLFD_RESY,
+ wxXLFD_SPACING, // m/p/c (monospaced/proportional/character cell)
+ wxXLFD_AVGWIDTH, // average width in 1/10 pixels
+ wxXLFD_REGISTRY, // iso8859, rawin, koi8, ...
+ wxXLFD_ENCODING, // 1, r, r, ...
+ wxXLFD_MAX
+};
+
+#endif // _WX_X_FONTLIKE
+
// ----------------------------------------------------------------------------
// types
// ----------------------------------------------------------------------------
-// This private structure specifies all the parameters needed to create a font
-// with the given encoding on this platform.
-//
-// Under X, it contains the last 2 elements of the font specifications
-// (registry and encoding).
-//
-// Under Windows, it contains a number which is one of predefined CHARSET_XXX
-// values.
-//
-// Under all platforms it also contains a facename string which should be
-// used, if not empty, to create fonts in this encoding (this is the only way
-// to create a font of non-standard encoding (like KOI8) under Windows - the
-// facename specifies the encoding then)
+// wxNativeFontInfo is platform-specific font representation: this struct
+// should be considered as opaque font description only used by the native
+// functions, the user code can only get the objects of this type from
+// somewhere and pass it somewhere else (possibly save them somewhere using
+// ToString() and restore them using FromString())
-struct WXDLLEXPORT wxNativeEncodingInfo
+class WXDLLIMPEXP_CORE wxNativeFontInfo
{
- wxString facename; // may be empty meaning "any"
+public:
+#if wxUSE_PANGO
+ PangoFontDescription *description;
-#if defined(__WXMSW__)
- wxNativeEncodingInfo() { charset = 0; /* ANSI_CHARSET */ }
-
- int charset;
+ // Pango font description doesn't have these attributes, so we store them
+ // separately and handle them ourselves in {To,From}String() methods.
+ bool m_underlined;
+ bool m_strikethrough;
#elif defined(_WX_X_FONTLIKE)
- wxString xregistry,
- xencoding;
+ // the members can't be accessed directly as we only parse the
+ // xFontName on demand
+private:
+ // the components of the XLFD
+ wxString fontElements[wxXLFD_MAX];
+
+ // the full XLFD
+ wxString xFontName;
+
+ // true until SetXFontName() is called
+ bool m_isDefault;
+
+ // return true if we have already initialized fontElements
+ inline bool HasElements() const;
+
+public:
+ // init the elements from an XLFD, return true if ok
+ bool FromXFontName(const wxString& xFontName);
+
+ // return false if we were never initialized with a valid XLFD
+ bool IsDefault() const { return m_isDefault; }
+
+ // return the XLFD (using the fontElements if necessary)
+ wxString GetXFontName() const;
+
+ // get the given XFLD component
+ wxString GetXFontComponent(wxXLFDField field) const;
+
+ // change the font component
+ void SetXFontComponent(wxXLFDField field, const wxString& value);
+
+ // set the XFLD
+ void SetXFontName(const wxString& xFontName);
+#elif defined(__WXMSW__)
+ wxNativeFontInfo(const LOGFONT& lf_) : lf(lf_) { }
+
+ LOGFONT lf;
+#elif defined(__WXPM__)
+ // OS/2 native structures that define a font
+ FATTRS fa;
+ FONTMETRICS fm;
+ FACENAMEDESC fn;
+#elif defined(__WXOSX__)
+public:
+ wxNativeFontInfo(const wxNativeFontInfo& info) { Init(info); }
+ wxNativeFontInfo( int size,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight weight,
+ bool underlined,
+ const wxString& faceName,
+ wxFontEncoding encoding)
+ { Init(size,family,style,weight,underlined,faceName,encoding); }
+
+ ~wxNativeFontInfo() { Free(); }
+
+ wxNativeFontInfo& operator=(const wxNativeFontInfo& info)
+ {
+ if (this != &info)
+ {
+ Free();
+ Init(info);
+ }
+ return *this;
+ }
+
+#if wxOSX_USE_CORE_TEXT
+ void Init(CTFontDescriptorRef descr);
+#endif
+ void Init(const wxNativeFontInfo& info);
+ void Init(int size,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight weight,
+ bool underlined,
+ const wxString& faceName ,
+ wxFontEncoding encoding);
+
+ void Free();
+ void EnsureValid();
+
+ bool m_descriptorValid;
+
+#if wxOSX_USE_ATSU_TEXT
+ bool m_atsuFontValid;
+ // the atsu font ID
+ wxUint32 m_atsuFontID;
+ // the qd styles that are not intrinsic to the font above
+ wxInt16 m_atsuAdditionalQDStyles;
+#if wxOSX_USE_CARBON
+ wxInt16 m_qdFontFamily;
+ wxInt16 m_qdFontStyle;
+#endif
+#endif
+
+ int m_pointSize;
+ wxFontFamily m_family;
+ wxFontStyle m_style;
+ wxFontWeight m_weight;
+ bool m_underlined;
+ bool m_strikethrough;
+ wxString m_faceName;
+ wxFontEncoding m_encoding;
+public :
+#else // other platforms
+ //
+ // This is a generic implementation that should work on all ports
+ // without specific support by the port.
+ //
+ #define wxNO_NATIVE_FONTINFO
+
+ int pointSize;
+ wxFontFamily family;
+ wxFontStyle style;
+ wxFontWeight weight;
+ bool underlined;
+ bool strikethrough;
+ wxString faceName;
+ wxFontEncoding encoding;
+#endif // platforms
+
+ // default ctor (default copy ctor is ok)
+ wxNativeFontInfo() { Init(); }
+
+#if wxUSE_PANGO
+private:
+ void Init(const wxNativeFontInfo& info);
+ void Free();
+
+public:
+ wxNativeFontInfo(const wxNativeFontInfo& info) { Init(info); }
+ ~wxNativeFontInfo() { Free(); }
+
+ wxNativeFontInfo& operator=(const wxNativeFontInfo& info)
+ {
+ if (this != &info)
+ {
+ Free();
+ Init(info);
+ }
+ return *this;
+ }
+#endif // wxUSE_PANGO
+
+ // reset to the default state
+ void Init();
+
+ // init with the parameters of the given font
+ void InitFromFont(const wxFont& font)
+ {
+ // translate all font parameters
+ SetStyle((wxFontStyle)font.GetStyle());
+ SetWeight((wxFontWeight)font.GetWeight());
+ SetUnderlined(font.GetUnderlined());
+ SetStrikethrough(font.GetStrikethrough());
+#if defined(__WXMSW__)
+ if ( font.IsUsingSizeInPixels() )
+ SetPixelSize(font.GetPixelSize());
+ else
+ SetPointSize(font.GetPointSize());
#else
- #error "Unsupported toolkit"
+ SetPointSize(font.GetPointSize());
#endif
- // this struct is saved in config by wxFontMapper, so it should know to
- // serialise itself (implemented in platform-specific code)
+ // set the family/facename
+ SetFamily((wxFontFamily)font.GetFamily());
+ const wxString& facename = font.GetFaceName();
+ if ( !facename.empty() )
+ {
+ SetFaceName(facename);
+ }
+
+ // deal with encoding now (it may override the font family and facename
+ // so do it after setting them)
+ SetEncoding(font.GetEncoding());
+ }
+
+ // accessors and modifiers for the font elements
+ int GetPointSize() const;
+ wxSize GetPixelSize() const;
+ wxFontStyle GetStyle() const;
+ wxFontWeight GetWeight() const;
+ bool GetUnderlined() const;
+ bool GetStrikethrough() const;
+ wxString GetFaceName() const;
+ wxFontFamily GetFamily() const;
+ wxFontEncoding GetEncoding() const;
+
+ void SetPointSize(int pointsize);
+ void SetPixelSize(const wxSize& pixelSize);
+ void SetStyle(wxFontStyle style);
+ void SetWeight(wxFontWeight weight);
+ void SetUnderlined(bool underlined);
+ void SetStrikethrough(bool strikethrough);
+ bool SetFaceName(const wxString& facename);
+ void SetFamily(wxFontFamily family);
+ void SetEncoding(wxFontEncoding encoding);
+
+ // sets the first facename in the given array which is found
+ // to be valid. If no valid facename is given, sets the
+ // first valid facename returned by wxFontEnumerator::GetFacenames().
+ // Does not return a bool since it cannot fail.
+ void SetFaceName(const wxArrayString &facenames);
+
+
+ // it is important to be able to serialize wxNativeFontInfo objects to be
+ // able to store them (in config file, for example)
bool FromString(const wxString& s);
wxString ToString() const;
+
+ // we also want to present the native font descriptions to the user in some
+ // human-readable form (it is not platform independent neither, but can
+ // hopefully be understood by the user)
+ bool FromUserString(const wxString& s);
+ wxString ToUserString() const;
};
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// translate a wxFontEncoding into native encoding parameter (defined above),
-// returning TRUE if an (exact) macth could be found, FALSE otherwise (without
+// returning true if an (exact) macth could be found, false otherwise (without
// attempting any substitutions)
-extern bool wxGetNativeFontEncoding(wxFontEncoding encoding,
- wxNativeEncodingInfo *info);
+WXDLLIMPEXP_CORE bool wxGetNativeFontEncoding(wxFontEncoding encoding,
+ wxNativeEncodingInfo *info);
// test for the existence of the font described by this facename/encoding,
-// return TRUE if such font(s) exist, FALSE otherwise
-extern bool wxTestFontEncoding(const wxNativeEncodingInfo& info);
+// return true if such font(s) exist, false otherwise
+WXDLLIMPEXP_CORE bool wxTestFontEncoding(const wxNativeEncodingInfo& info);
// ----------------------------------------------------------------------------
// font-related functions (X and GTK)
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