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源代码在线查看: font.cpp

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				/////////////////////////////////////////////////////////////////////////////
				// Name:        src/palmos/font.cpp
				// Purpose:     wxFont class
				// Author:      William Osborne - minimal working wxPalmOS port
				// Modified by:
				// Created:     10/14/04
				// RCS-ID:      $Id: font.cpp,v 1.3 2005/01/21 21:04:01 ABX Exp $
				// Copyright:   (c) wxWidgets team
				// Licence:     wxWindows licence
				/////////////////////////////////////////////////////////////////////////////
				
				// ============================================================================
				// declarations
				// ============================================================================
				
				// ----------------------------------------------------------------------------
				// headers
				// ----------------------------------------------------------------------------
				
				#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
				    #pragma implementation "font.h"
				#endif
				
				// For compilers that support precompilation, includes "wx.h".
				#include "wx/wxprec.h"
				
				#ifdef __BORLANDC__
				    #pragma hdrstop
				#endif
				
				#ifndef WX_PRECOMP
				    #include "wx/setup.h"
				    #include "wx/list.h"
				    #include "wx/utils.h"
				    #include "wx/app.h"
				    #include "wx/font.h"
				    #include "wx/log.h"
				    #include "wx/encinfo.h"
				#endif // WX_PRECOMP
				
				#include "wx/fontutil.h"
				#include "wx/fontmap.h"
				
				#include "wx/tokenzr.h"
				
				#if wxUSE_EXTENDED_RTTI
				
				wxBEGIN_ENUM( wxFontFamily )
				    wxENUM_MEMBER( wxDEFAULT )
				    wxENUM_MEMBER( wxDECORATIVE )
				    wxENUM_MEMBER( wxROMAN )
				    wxENUM_MEMBER( wxSCRIPT )
				    wxENUM_MEMBER( wxSWISS )
				    wxENUM_MEMBER( wxMODERN )
				    wxENUM_MEMBER( wxTELETYPE )
				wxEND_ENUM( wxFontFamily )
				
				wxBEGIN_ENUM( wxFontStyle )
				    wxENUM_MEMBER( wxNORMAL )
				    wxENUM_MEMBER( wxITALIC )
				    wxENUM_MEMBER( wxSLANT )
				wxEND_ENUM( wxFontStyle )
				
				wxBEGIN_ENUM( wxFontWeight )
				    wxENUM_MEMBER( wxNORMAL )
				    wxENUM_MEMBER( wxLIGHT )
				    wxENUM_MEMBER( wxBOLD )
				wxEND_ENUM( wxFontWeight )
				
				IMPLEMENT_DYNAMIC_CLASS_WITH_COPY_XTI(wxFont, wxGDIObject,"wx/font.h")
				
				wxBEGIN_PROPERTIES_TABLE(wxFont)
				    wxPROPERTY( Size,int, SetPointSize, GetPointSize, 12 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
				    wxPROPERTY( Family, int  , SetFamily, GetFamily, (int)wxDEFAULT , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontFamily
				    wxPROPERTY( Style, int , SetStyle, GetStyle, (int)wxNORMAL , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontStyle
				    wxPROPERTY( Weight, int , SetWeight, GetWeight, (int)wxNORMAL , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontWeight
				    wxPROPERTY( Underlined, bool , SetUnderlined, GetUnderlined, false , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
				    wxPROPERTY( Face, wxString , SetFaceName, GetFaceName, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
				    wxPROPERTY( Encoding, wxFontEncoding , SetEncoding, GetEncoding, wxFONTENCODING_DEFAULT , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
				wxEND_PROPERTIES_TABLE()
				
				wxCONSTRUCTOR_6( wxFont , int , Size , int , Family , int , Style , int , Weight , bool , Underlined , wxString , Face )
				
				wxBEGIN_HANDLERS_TABLE(wxFont)
				wxEND_HANDLERS_TABLE()
				
				#else
				    IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
				#endif
				
				
				// ----------------------------------------------------------------------------
				// constants
				// ----------------------------------------------------------------------------
				
				// ----------------------------------------------------------------------------
				// wxFontRefData - the internal description of the font
				// ----------------------------------------------------------------------------
				
				class WXDLLEXPORT wxFontRefData: public wxGDIRefData
				{
				public:
				    // constructors
				    wxFontRefData()
				    {
				        Init(-1, wxSize(0, 0), false, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL,
				             wxFONTWEIGHT_NORMAL, false, wxEmptyString,
				             wxFONTENCODING_DEFAULT);
				    }
				
				    wxFontRefData(int size,
				                  const wxSize& pixelSize,
				                  bool sizeUsingPixels,
				                  int family,
				                  int style,
				                  int weight,
				                  bool underlined,
				                  const wxString& faceName,
				                  wxFontEncoding encoding)
				    {
				        Init(size, pixelSize, sizeUsingPixels, family, style, weight,
				             underlined, faceName, encoding);
				    }
				
				    wxFontRefData(const wxNativeFontInfo& info, WXHFONT hFont = 0)
				    {
				        Init(info, hFont);
				    }
				
				    wxFontRefData(const wxFontRefData& data)
				    {
				        if ( data.m_nativeFontInfoOk )
				        {
				            Init(data.m_nativeFontInfo);
				        }
				        else
				        {
				            Init(data.m_pointSize, data.m_pixelSize, data.m_sizeUsingPixels,
				                 data.m_family, data.m_style, data.m_weight,
				                 data.m_underlined, data.m_faceName, data.m_encoding);
				        }
				    }
				
				    virtual ~wxFontRefData();
				
				    // operations
				    bool Alloc(wxFont *font);
				
				    void Free();
				
				    // all wxFont accessors
				    int GetPointSize() const
				    {
				        return m_nativeFontInfoOk ? m_nativeFontInfo.GetPointSize()
				                                  : m_pointSize;
				    }
				
				    wxSize GetPixelSize() const
				    {
				        return m_nativeFontInfoOk ? m_nativeFontInfo.GetPixelSize()
				                                  : m_pixelSize;
				    }
				
				    bool IsUsingSizeInPixels() const
				    {
				        return m_nativeFontInfoOk ? true : m_sizeUsingPixels;
				    }
				
				    int GetFamily() const
				    {
				        return m_family;
				    }
				
				    int GetStyle() const
				    {
				        return m_nativeFontInfoOk ? m_nativeFontInfo.GetStyle()
				                                  : m_style;
				    }
				
				    int GetWeight() const
				    {
				        return m_nativeFontInfoOk ? m_nativeFontInfo.GetWeight()
				                                  : m_weight;
				    }
				
				    bool GetUnderlined() const
				    {
				        return m_nativeFontInfoOk ? m_nativeFontInfo.GetUnderlined()
				                                  : m_underlined;
				    }
				
				    wxString GetFaceName() const
				    {
				        wxString s;
				        if ( m_nativeFontInfoOk )
				            s = m_nativeFontInfo.GetFaceName();
				        else
				            s = m_faceName;
				
				        return s;
				    }
				
				    wxFontEncoding GetEncoding() const
				    {
				        return m_nativeFontInfoOk ? m_nativeFontInfo.GetEncoding()
				                                  : m_encoding;
				    }
				
				    WXHFONT GetHFONT() const { return m_hFont; }
				
				    // ... and setters
				    void SetPointSize(int pointSize)
				    {
				        if ( m_nativeFontInfoOk )
				        {
				            m_nativeFontInfo.SetPointSize(pointSize);
				        }
				        else
				        {
				            m_pointSize = pointSize;
				            m_sizeUsingPixels = false;
				        }
				    }
				
				    void SetPixelSize(const wxSize& pixelSize)
				    {
				        if ( m_nativeFontInfoOk )
				        {
				            m_nativeFontInfo.SetPixelSize(pixelSize);
				        }
				        else
				        {
				            m_pixelSize = pixelSize;
				            m_sizeUsingPixels = true;
				        }
				    }
				
				    void SetFamily(int family)
				    {
				        m_family = family;
				    }
				
				    void SetStyle(int style)
				    {
				        if ( m_nativeFontInfoOk )
				            m_nativeFontInfo.SetStyle((wxFontStyle)style);
				        else
				            m_style = style;
				    }
				
				    void SetWeight(int weight)
				    {
				        if ( m_nativeFontInfoOk )
				            m_nativeFontInfo.SetWeight((wxFontWeight)weight);
				        else
				            m_weight = weight;
				    }
				
				    void SetFaceName(const wxString& faceName)
				    {
				        if ( m_nativeFontInfoOk )
				            m_nativeFontInfo.SetFaceName(faceName);
				        else
				            m_faceName = faceName;
				    }
				
				    void SetUnderlined(bool underlined)
				    {
				        if ( m_nativeFontInfoOk )
				            m_nativeFontInfo.SetUnderlined(underlined);
				        else
				            m_underlined = underlined;
				    }
				
				    void SetEncoding(wxFontEncoding encoding)
				    {
				        if ( m_nativeFontInfoOk )
				            m_nativeFontInfo.SetEncoding(encoding);
				        else
				            m_encoding = encoding;
				    }
				
				    // native font info tests
				    bool HasNativeFontInfo() const { return m_nativeFontInfoOk; }
				
				    const wxNativeFontInfo& GetNativeFontInfo() const
				        { return m_nativeFontInfo; }
				
				protected:
				    // common part of all ctors
				    void Init(int size,
				              const wxSize& pixelSize,
				              bool sizeUsingPixels,
				              int family,
				              int style,
				              int weight,
				              bool underlined,
				              const wxString& faceName,
				              wxFontEncoding encoding);
				
				    void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
				
				    // font characterstics
				    int           m_pointSize;
				    wxSize        m_pixelSize;
				    bool          m_sizeUsingPixels;
				    int           m_family;
				    int           m_style;
				    int           m_weight;
				    bool          m_underlined;
				    wxString      m_faceName;
				    wxFontEncoding m_encoding;
				
				    // Windows font handle
				    WXHFONT       m_hFont;
				
				    // Native font info
				    wxNativeFontInfo m_nativeFontInfo;
				    bool             m_nativeFontInfoOk;
				};
				
				// ============================================================================
				// implementation
				// ============================================================================
				
				// ----------------------------------------------------------------------------
				// wxFontRefData
				// ----------------------------------------------------------------------------
				
				void wxFontRefData::Init(int pointSize,
				                         const wxSize& pixelSize,
				                         bool sizeUsingPixels,
				                         int family,
				                         int style,
				                         int weight,
				                         bool underlined,
				                         const wxString& faceName,
				                         wxFontEncoding encoding)
				{
				}
				
				void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
				{
				}
				
				wxFontRefData::~wxFontRefData()
				{
				}
				
				bool wxFontRefData::Alloc(wxFont *font)
				{
				    return false;
				}
				
				void wxFontRefData::Free()
				{
				}
				
				// ----------------------------------------------------------------------------
				// wxNativeFontInfo
				// ----------------------------------------------------------------------------
				
				void wxNativeFontInfo::SetPixelSize(const wxSize& pixelSize)
				{
				}
				
				// ----------------------------------------------------------------------------
				// wxFont
				// ----------------------------------------------------------------------------
				
				void wxFont::Init()
				{
				}
				
				bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
				{
				    return false;
				}
				
				wxFont::wxFont(const wxString& fontdesc)
				{
				}
				
				/* Constructor for a font. Note that the real construction is done
				 * in wxDC::SetFont, when information is available about scaling etc.
				 */
				bool wxFont::DoCreate(int pointSize,
				                      const wxSize& pixelSize,
				                      bool sizeUsingPixels,
				                      int family,
				                      int style,
				                      int weight,
				                      bool underlined,
				                      const wxString& faceName,
				                      wxFontEncoding encoding)
				{
				    return false;
				}
				
				wxFont::~wxFont()
				{
				}
				
				// ----------------------------------------------------------------------------
				// real implementation
				// ----------------------------------------------------------------------------
				
				bool wxFont::RealizeResource()
				{
				    return false;
				}
				
				bool wxFont::FreeResource(bool WXUNUSED(force))
				{
				    return false;
				}
				
				WXHANDLE wxFont::GetResourceHandle() const
				{
				    return (WXHANDLE)0;
				}
				
				bool wxFont::IsFree() const
				{
				    return false;
				}
				
				void wxFont::Unshare()
				{
				}
				
				// ----------------------------------------------------------------------------
				// change font attribute: we recreate font when doing it
				// ----------------------------------------------------------------------------
				
				void wxFont::SetPointSize(int pointSize)
				{
				}
				
				void wxFont::SetPixelSize(const wxSize& pixelSize)
				{
				}
				
				void wxFont::SetFamily(int family)
				{
				}
				
				void wxFont::SetStyle(int style)
				{
				}
				
				void wxFont::SetWeight(int weight)
				{
				}
				
				void wxFont::SetFaceName(const wxString& faceName)
				{
				}
				
				void wxFont::SetUnderlined(bool underlined)
				{
				}
				
				void wxFont::SetEncoding(wxFontEncoding encoding)
				{
				}
				
				void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
				{
				}
				
				// ----------------------------------------------------------------------------
				// accessors
				// ----------------------------------------------------------------------------
				
				int wxFont::GetPointSize() const
				{
				    return 0;
				}
				
				wxSize wxFont::GetPixelSize() const
				{
				    return wxSize(0,0);
				}
				
				bool wxFont::IsUsingSizeInPixels() const
				{
				    return false;
				}
				
				int wxFont::GetFamily() const
				{
				    return wxFONTFAMILY_ROMAN;
				}
				
				int wxFont::GetStyle() const
				{
				    return wxFONTSTYLE_NORMAL;
				}
				
				int wxFont::GetWeight() const
				{
				    return wxFONTWEIGHT_NORMAL;
				}
				
				bool wxFont::GetUnderlined() const
				{
				    return false;
				}
				
				wxString wxFont::GetFaceName() const
				{
				    return wxEmptyString;
				}
				
				wxFontEncoding wxFont::GetEncoding() const
				{
				    return wxFONTENCODING_SYSTEM;
				}
				
				const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
				{
				    return NULL;
				}
				
				bool wxFont::IsFixedWidth() const
				{
				    return false;
				}
				
							

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