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    /********************************************************************************
    *                                                                               *
    *                               F o n t   O b j e c t                           *
    *                                                                               *
    *********************************************************************************
    * Copyright (C) 1997,2005 by Jeroen van der Zijp.   All Rights Reserved.        *
    *********************************************************************************
    * This library is free software; you can redistribute it and/or                 *
    * modify it under the terms of the GNU Lesser General Public                    *
    * License as published by the Free Software Foundation; either                  *
    * version 2.1 of the License, or (at your option) any later version.            *
    *                                                                               *
    * This library is distributed in the hope that it will be useful,               *
    * but WITHOUT ANY WARRANTY; without even the implied warranty of                *
    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU             *
    * Lesser General Public License for more details.                               *
    *                                                                               *
    * You should have received a copy of the GNU Lesser General Public              *
    * License along with this library; if not, write to the Free Software           *
    * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.    *
    *********************************************************************************
    * $Id: FXFont.h 2199 2005-09-01 00:02:05Z lyle $                            *
    ********************************************************************************/
    #ifndef FXFONT_H
    #define FXFONT_H
    
    #ifndef FXID_H
    #include "FXId.h"
    #endif
    
    namespace FX {
    
    
    /// Font character set encoding
    enum FXFontEncoding {
      FONTENCODING_DEFAULT,         /// Don't care character encoding
    
      FONTENCODING_ISO_8859_1   = 1,        /// West European (Latin1)
      FONTENCODING_ISO_8859_2   = 2,        /// Central and East European (Latin2)
      FONTENCODING_ISO_8859_3   = 3,        /// Esperanto (Latin3)
      FONTENCODING_ISO_8859_4   = 4,
      FONTENCODING_ISO_8859_5   = 5,        /// Cyrillic (almost obsolete)
      FONTENCODING_ISO_8859_6   = 6,        /// Arabic
      FONTENCODING_ISO_8859_7   = 7,        /// Greek
      FONTENCODING_ISO_8859_8   = 8,        /// Hebrew
      FONTENCODING_ISO_8859_9   = 9,        /// Turkish (Latin5)
      FONTENCODING_ISO_8859_10  = 10,
      FONTENCODING_ISO_8859_11  = 11,       /// Thai
      FONTENCODING_ISO_8859_13  = 13,       /// Baltic
      FONTENCODING_ISO_8859_14  = 14,
      FONTENCODING_ISO_8859_15  = 15,
      FONTENCODING_ISO_8859_16  = 16,
      FONTENCODING_KOI8         = 17,
      FONTENCODING_KOI8_R       = 18,       /// Russian
      FONTENCODING_KOI8_U       = 19,       /// Ukrainian
      FONTENCODING_KOI8_UNIFIED = 20,
    
      FONTENCODING_CP437        = 437,      /// IBM-PC code page
      FONTENCODING_CP850        = 850,      /// IBMPC Multilingual
      FONTENCODING_CP851        = 851,      /// IBM-PC Greek
      FONTENCODING_CP852        = 852,      /// IBM-PC Latin2
      FONTENCODING_CP855        = 855,      /// IBM-PC Cyrillic
      FONTENCODING_CP856        = 856,      /// IBM-PC Hebrew
      FONTENCODING_CP857        = 857,      /// IBM-PC Turkish
      FONTENCODING_CP860        = 860,      /// IBM-PC Portugese
      FONTENCODING_CP861        = 861,      /// IBM-PC Iceland
      FONTENCODING_CP862        = 862,      /// IBM-PC Israel
      FONTENCODING_CP863        = 863,      /// IBM-PC Canadian/French
      FONTENCODING_CP864        = 864,      /// IBM-PC Arabic
      FONTENCODING_CP865        = 865,      /// IBM-PC Nordic
      FONTENCODING_CP866        = 866,      /// IBM-PC Cyrillic #2
      FONTENCODING_CP869        = 869,      /// IBM-PC Greek #2
      FONTENCODING_CP870        = 870,      /// Latin-2 Multilingual
    
      FONTENCODING_CP1250       = 1250,     /// Windows Central European
      FONTENCODING_CP1251       = 1251,     /// Windows Russian
      FONTENCODING_CP1252       = 1252,     /// Windows Latin1
      FONTENCODING_CP1253       = 1253,     /// Windows Greek
      FONTENCODING_CP1254       = 1254,     /// Windows Turkish
      FONTENCODING_CP1255       = 1255,     /// Windows Hebrew
      FONTENCODING_CP1256       = 1256,     /// Windows Arabic
      FONTENCODING_CP1257       = 1257,     /// Windows Baltic
      FONTENCODING_CP1258       = 1258,     /// Windows Vietnam
      FONTENCODING_CP874        = 874,      /// Windows Thai
    
      FONTENCODING_UNICODE      = 9999,
    
      FONTENCODING_LATIN1       = FONTENCODING_ISO_8859_1,   /// Latin 1 (West European)
      FONTENCODING_LATIN2       = FONTENCODING_ISO_8859_2,   /// Latin 2 (East European)
      FONTENCODING_LATIN3       = FONTENCODING_ISO_8859_3,   /// Latin 3 (South European)
      FONTENCODING_LATIN4       = FONTENCODING_ISO_8859_4,   /// Latin 4 (North European)
      FONTENCODING_LATIN5       = FONTENCODING_ISO_8859_9,   /// Latin 5 (Turkish)
      FONTENCODING_LATIN6       = FONTENCODING_ISO_8859_10,  /// Latin 6 (Nordic)
      FONTENCODING_LATIN7       = FONTENCODING_ISO_8859_13,  /// Latin 7 (Baltic Rim)
      FONTENCODING_LATIN8       = FONTENCODING_ISO_8859_14,  /// Latin 8 (Celtic)
      FONTENCODING_LATIN9       = FONTENCODING_ISO_8859_15,  /// Latin 9 AKA Latin 0
      FONTENCODING_LATIN10      = FONTENCODING_ISO_8859_16,  /// Latin 10
    
      FONTENCODING_USASCII      = FONTENCODING_ISO_8859_1,   /// Latin 1
      FONTENCODING_WESTEUROPE   = FONTENCODING_ISO_8859_1,   /// Latin 1 (West European)
      FONTENCODING_EASTEUROPE   = FONTENCODING_ISO_8859_2,   /// Latin 2 (East European)
      FONTENCODING_SOUTHEUROPE  = FONTENCODING_ISO_8859_3,   /// Latin 3 (South European)
      FONTENCODING_NORTHEUROPE  = FONTENCODING_ISO_8859_4,   /// Latin 4 (North European)
      FONTENCODING_CYRILLIC     = FONTENCODING_ISO_8859_5,   /// Cyrillic
      FONTENCODING_RUSSIAN      = FONTENCODING_KOI8,         /// Cyrillic
      FONTENCODING_ARABIC       = FONTENCODING_ISO_8859_6,   /// Arabic
      FONTENCODING_GREEK        = FONTENCODING_ISO_8859_7,   /// Greek
      FONTENCODING_HEBREW       = FONTENCODING_ISO_8859_8,   /// Hebrew
      FONTENCODING_TURKISH      = FONTENCODING_ISO_8859_9,   /// Latin 5 (Turkish)
      FONTENCODING_NORDIC       = FONTENCODING_ISO_8859_10,  /// Latin 6 (Nordic)
      FONTENCODING_THAI         = FONTENCODING_ISO_8859_11,  /// Thai
      FONTENCODING_BALTIC       = FONTENCODING_ISO_8859_13,  /// Latin 7 (Baltic Rim)
      FONTENCODING_CELTIC       = FONTENCODING_ISO_8859_14   /// Latin 8 (Celtic)
      };
    
    
    /// Font style
    struct FXFontDesc {
      FXchar          face[116];                /// Face name
      FXushort        size;                     /// Size in deci-points
      FXushort        weight;                   /// Weight [light, normal, bold, ...]
      FXushort        slant;                    /// Slant [normal, italic, oblique, ...]
      FXushort        setwidth;                 /// Set width [normal, condensed, expanded, ...]
      FXushort        encoding;                 /// Encoding of character set
      FXushort        flags;                    /// Flags
      };
    
    
    class FXDC;
    class FXDCWindow;
    
    
    /// Font class
    class FXAPI FXFont : public FXId {
      friend class FXDCWindow;
      FXDECLARE(FXFont)
    protected:
      FXString  wantedName;         // Desired font font name
      FXString  actualName;         // Matched font font name
      FXushort  wantedSize;         // Font size (points*10)
      FXushort  actualSize;         // Actual size that was matched
      FXushort  wantedWeight;       // Font weight
      FXushort  actualWeight;       // Font weight
      FXushort  wantedSlant;        // Font slant
      FXushort  actualSlant;        // Font slant
      FXushort  wantedSetwidth;     // Relative setwidth
      FXushort  actualSetwidth;     // Relative setwidth
      FXushort  wantedEncoding;     // Character set encoding
      FXushort  actualEncoding;     // Character set encoding
      FXushort  hints;              // Matching hint flags
      FXushort  flags;              // Actual flags
      FXshort   angle;              // Angle
      void     *font;               // Info about the font
    private:
    #ifdef WIN32
      FXID      dc;
    #endif
    protected:
      FXFont();
      void* match(const FXString& wantfamily,const FXString& wantforge,FXuint wantsize,FXuint wantweight,FXuint wantslant,FXuint wantsetwidth,FXuint wantencoding,FXuint wanthints,FXint res);
    private:
      FXFont(const FXFont&);
      FXFont &operator=(const FXFont&);
    public:
    
      /// Font pitch hints
      enum {
        Fixed          = 1,         /// Fixed pitch, mono-spaced
        Variable       = 2          /// Variable pitch, proportional spacing
        };
    
      /// Font style hints
      enum {
        Decorative     = 4,         /// Fancy fonts
        Modern         = 8,         /// Monospace typewriter font
        Roman          = 16,        /// Variable width times-like font, serif
        Script         = 32,        /// Script or cursive
        Swiss          = 64,        /// Helvetica/swiss type font, sans-serif
        System         = 128,       /// System font
        X11            = 256,       /// Raw X11 font string
        Scalable       = 512,       /// Scalable fonts
        Polymorphic    = 1024,      /// Polymorphic fonts, e.g. parametric weight, slant, etc.
        Rotatable      = 2048       /// Rotatable fonts
        };
    
      /// Font slant options
      enum {
        ReverseOblique = 1,         /// Reversed oblique
        ReverseItalic  = 2,         /// Reversed italic
        Straight       = 5,         /// Straight, not slanted
        Italic         = 8,         /// Italics
        Oblique        = 9          /// Oblique slant
        };
    
      /// Font weight options
      enum {
        Thin           = 10,        /// Thin
        ExtraLight     = 20,        /// Extra light
        Light          = 30,        /// Light
        Normal         = 40,        /// Normal or regular weight
        Medium         = 50,        /// Medium bold face
        DemiBold       = 60,        /// Demi bold face
        Bold           = 70,        /// Bold face
        ExtraBold      = 80,        /// Extra
        Black          = 90         /// Black
        };
    
      /// Condensed or expanded options
      enum {
        UltraCondensed = 50,        /// Ultra condensed printing
        ExtraCondensed = 63,        /// Extra condensed
        Condensed      = 75,        /// Condensed
        SemiCondensed  = 87,        /// Semi-condensed
        NonExpanded    = 100,       /// Regular printing
        SemiExpanded   = 113,       /// Semi expanded
        Expanded       = 125,       /// Expanded
        ExtraExpanded  = 150,       /// Extra expanded
        UltraExpanded  = 200        /// Ultra expanded
        };
    
    public:
    
      /**
      * Construct a font with given font description of the form:
      *
      *     fontname [ "[" foundry "]" ] ["," size ["," weight ["," slant ["," setwidth ["," encoding ["," hints]]]]]]
      *
      * For example:
      *
      *     "helvetica [bitstream],120,bold,italic,normal,iso8859-1,0"
      *
      * Typically, at least the font name, and size must be given for
      * normal font matching.  As a special case, raw X11 fonts can also be
      * passed, for example:
      *
      *     "9x15bold"
      *
      * Note: use of the raw X11 fonts is stronly discouraged.
      */
      FXFont(FXApp* a,const FXString& string);
    
      /**
      * Construct a font with given name, size in points, weight, slant, character set
      * encoding, setwidth, and hints.
      * The font name may be comprised of a family name and optional foundry name enclosed in
      * square brackets, for example, "helvetica [bitstream]".
      */
      FXFont(FXApp* a,const FXString& face,FXuint size,FXuint weight=FXFont::Normal,FXuint slant=FXFont::Straight,FXuint encoding=FONTENCODING_DEFAULT,FXuint setwidth=FXFont::NonExpanded,FXuint h=0);
    
      /// Construct font from font description
      FXFont(FXApp* a,const FXFontDesc& fontdesc);
    
      /// Create the font
      virtual void create();
    
      /// Detach the font
      virtual void detach();
    
      /// Destroy the font
      virtual void destroy();
    
      /// Return family part of name
      FXString getFamily() const;
    
      /// Return foundry part of name
      FXString getFoundry() const;
    
      /// Get font family name
      const FXString& getName() const { return wantedName; }
    
      /// Get actual family name
      const FXString& getActualName() const { return actualName; }
    
      /// Get size in deci-points
      FXuint getSize() const { return wantedSize; }
    
      /// Get actual size in deci-points
      FXuint getActualSize() const { return actualSize; }
    
      /// Get font weight
      FXuint getWeight() const { return wantedWeight; }
    
      /// Get actual font weight
      FXuint getActualWeight() const { return actualWeight; }
    
      /// Get slant
      FXuint getSlant() const { return wantedSlant; }
    
      /// Get actual slant
      FXuint getActualSlant() const { return actualSlant; }
    
      /// Get character set encoding
      FXuint getEncoding() const { return wantedEncoding; }
    
      /// Get actual encoding
      FXuint getActualEncoding() const { return actualEncoding; }
    
      /// Get setwidth
      FXuint getSetWidth() const { return wantedSetwidth; }
    
      /// Get actual setwidth
      FXuint getActualSetWidth() const { return actualSetwidth; }
    
      /// Get hints
      FXuint getHints() const { return hints; }
    
      /// Get flags
      FXuint getFlags() const { return flags; }
    
      /// Get font description
      void getFontDesc(FXFontDesc& fontdesc) const;
    
      /// Change font description
      virtual void setFontDesc(const FXFontDesc& fontdesc);
    
      /// Return angle
      FXint getAngle() const { return angle; }
    
      /// Set to new angle, in degrees*64 relative to positive x axis
      virtual void setAngle(FXint ang);
    
      /**
      * Return the font description as a string suitable for
      * parsing with setFont(), see above.
      */
      FXString getFont() const;
    
      /**
      * Change the font to the specified font description string.
      */
      virtual void setFont(const FXString& string);
    
      /// Find out if the font is monotype or proportional
      virtual FXbool isFontMono() const;
    
      /// See if font has glyph for ch
      virtual FXbool hasChar(FXwchar ch) const;
    
      /// Get first character glyph in font
      virtual FXwchar getMinChar() const;
    
      /// Get last character glyph in font
      virtual FXwchar getMaxChar() const;
    
      /// Left bearing
      virtual FXint leftBearing(FXwchar ch) const;
    
      /// Right bearing
      virtual FXint rightBearing(FXwchar ch) const;
    
      /// Width of widest character in font
      virtual FXint getFontWidth() const;
    
      /// Height of highest character in font
      virtual FXint getFontHeight() const;
    
      /// Ascent from baseline
      virtual FXint getFontAscent() const;
    
      /// Descent from baseline
      virtual FXint getFontDescent() const;
    
      /// Get font leading [that is lead-ing as in Pb!]
      virtual FXint getFontLeading() const;
    
      /// Get font line spacing
      virtual FXint getFontSpacing() const;
    
      /// Calculate width of single wide character in this font
      virtual FXint getCharWidth(const FXwchar ch) const;
    
      /// Calculate width of given text in this font
      virtual FXint getTextWidth(const FXString& string) const;
    
      /// Calculate width of given text in this font
      virtual FXint getTextWidth(const FXchar* string,FXuint length) const;
    
      /// Calculate height of given text in this font
      virtual FXint getTextHeight(const FXString& string) const;
    
      /// Calculate height of given text in this font
      virtual FXint getTextHeight(const FXchar *string,FXuint length) const;
    
      /**
      * List all fonts matching hints. If listFonts() returns TRUE then
      * fonts points to a newly-allocated array of length numfonts. It
      * is the caller's responsibility to free this array using FXFREE().
      */
      static FXbool listFonts(FXFontDesc*& fonts,FXuint& numfonts,const FXString& face,FXuint wt=0,FXuint sl=0,FXuint sw=0,FXuint en=0,FXuint h=0);
    
      /// Save font data into stream
      virtual void save(FXStream& store) const;
    
      /// Load font data from stream
      virtual void load(FXStream& store);
    
      /// Destroy font
      virtual ~FXFont();
      };
    
    
    }
    
    #endif