added some wxMSW stuff
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Karsten Ballüder
362
src/msw/font.cpp
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362
src/msw/font.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: font.cpp
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// Purpose: wxFont class
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "font.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include <stdio.h>
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#include "wx/setup.h"
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#include "wx/list.h"
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#include "wx/utils.h"
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#include "wx/app.h"
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#include "wx/font.h"
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#endif
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#include "wx/msw/private.h"
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#include "assert.h"
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#if !USE_SHARED_LIBRARIES
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IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
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#if USE_PORTABLE_FONTS_IN_MSW
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IMPLEMENT_DYNAMIC_CLASS(wxFontNameDirectory, wxObject)
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#endif
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#endif
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wxFontRefData::wxFontRefData(void)
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{
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m_style = 0;
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m_temporary = FALSE;
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m_pointSize = 0;
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m_family = 0;
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m_fontId = 0;
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m_style = 0;
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m_weight = 0;
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m_underlined = 0;
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m_faceName = "";
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m_hFont = 0;
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}
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wxFontRefData::~wxFontRefData(void)
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{
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if ( m_hFont )
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::DeleteObject((HFONT) m_hFont);
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}
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wxFont::wxFont(void)
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{
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if ( wxTheFontList )
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wxTheFontList->Append(this);
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}
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/* Constructor for a font. Note that the real construction is done
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* in wxDC::SetFont, when information is available about scaling etc.
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*/
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wxFont::wxFont(int PointSize, int Family, int Style, int Weight, bool Underlined, const wxString& Face)
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{
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Create(PointSize, Family, Style, Weight, Underlined, Face);
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if ( wxTheFontList )
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wxTheFontList->Append(this);
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}
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bool wxFont::Create(int PointSize, int Family, int Style, int Weight, bool Underlined, const wxString& Face)
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{
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UnRef();
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m_refData = new wxFontRefData;
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M_FONTDATA->m_family = Family;
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M_FONTDATA->m_style = Style;
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M_FONTDATA->m_weight = Weight;
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M_FONTDATA->m_pointSize = PointSize;
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M_FONTDATA->m_underlined = Underlined;
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M_FONTDATA->m_faceName = Face;
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M_FONTDATA->m_temporary = FALSE;
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M_FONTDATA->m_hFont = 0;
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RealizeResource();
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return TRUE;
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}
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wxFont::~wxFont()
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{
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if (wxTheFontList)
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wxTheFontList->DeleteObject(this);
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}
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bool wxFont::RealizeResource(void)
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{
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if (M_FONTDATA && !M_FONTDATA->m_hFont)
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{
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BYTE ff_italic;
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int ff_weight = 0;
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int ff_family = 0;
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wxString ff_face("");
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switch (M_FONTDATA->m_family)
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{
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case wxSCRIPT: ff_family = FF_SCRIPT ;
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ff_face = "Script" ;
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break ;
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case wxDECORATIVE: ff_family = FF_DECORATIVE;
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break;
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case wxROMAN: ff_family = FF_ROMAN;
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ff_face = "Times New Roman" ;
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break;
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case wxTELETYPE:
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case wxMODERN: ff_family = FF_MODERN;
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ff_face = "Courier New" ;
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break;
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case wxSWISS: ff_family = FF_SWISS;
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ff_face = "Arial";
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break;
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case wxDEFAULT:
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default: ff_family = FF_SWISS;
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ff_face = "Arial" ;
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}
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if (M_FONTDATA->m_style == wxITALIC || M_FONTDATA->m_style == wxSLANT)
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ff_italic = 1;
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else
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ff_italic = 0;
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if (M_FONTDATA->m_weight == wxNORMAL)
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ff_weight = FW_NORMAL;
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else if (M_FONTDATA->m_weight == wxLIGHT)
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ff_weight = FW_LIGHT;
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else if (M_FONTDATA->m_weight == wxBOLD)
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ff_weight = FW_BOLD;
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#if defined(__X__) || (defined(__WINDOWS__) && USE_PORTABLE_FONTS_IN_MSW)
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ff_face = wxTheFontNameDirectory.GetScreenName(M_FONTDATA->m_family, M_FONTDATA->m_weight, M_FONTDATA->m_style);
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#else
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ff_face = M_FONTDATA->m_faceName;
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if ( ff_face.IsNull() )
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ff_face = "";
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#endif
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/* Always calculate fonts using the screen DC (is this the best strategy?)
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* There may be confusion if a font is selected into a printer
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* DC (say), because the height will be calculated very differently.
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// What sort of display is it?
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int technology = ::GetDeviceCaps(dc, TECHNOLOGY);
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int nHeight;
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if (technology != DT_RASDISPLAY && technology != DT_RASPRINTER)
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{
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// Have to get screen DC Caps, because a metafile will return 0.
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HDC dc2 = ::GetDC(NULL);
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nHeight = M_FONTDATA->m_pointSize*GetDeviceCaps(dc2, LOGPIXELSY)/72;
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::ReleaseDC(NULL, dc2);
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}
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else
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{
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nHeight = M_FONTDATA->m_pointSize*GetDeviceCaps(dc, LOGPIXELSY)/72;
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}
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*/
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// Have to get screen DC Caps, because a metafile will return 0.
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HDC dc2 = ::GetDC(NULL);
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int ppInch = ::GetDeviceCaps(dc2, LOGPIXELSY);
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::ReleaseDC(NULL, dc2);
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// New behaviour: apparently ppInch varies according to
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// Large/Small Fonts setting in Windows. This messes
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// up fonts. So, set ppInch to a constant 96 dpi.
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ppInch = 96;
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#if FONT_SIZE_COMPATIBILITY
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// Incorrect, but compatible with old wxWindows behaviour
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int nHeight = (M_FONTDATA->m_pointSize*ppInch/72);
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#else
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// Correct for Windows compatibility
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int nHeight = - (M_FONTDATA->m_pointSize*ppInch/72);
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#endif
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bool ff_underline = M_FONTDATA->m_underlined;
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M_FONTDATA->m_hFont = (WXHFONT) CreateFont(nHeight, 0, 0, 0,ff_weight,ff_italic,(BYTE)ff_underline,
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0, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
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PROOF_QUALITY, DEFAULT_PITCH | ff_family, (ff_face == "" ? NULL : (const char *)ff_face));
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#ifdef DEBUG_CREATE
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if (m_hFont==NULL) wxError("Cannot create font","Internal Error") ;
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#endif
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return (M_FONTDATA->m_hFont != (WXHFONT) NULL);
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}
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return FALSE;
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}
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bool wxFont::FreeResource(bool force)
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{
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if (M_FONTDATA && M_FONTDATA->m_hFont)
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{
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::DeleteObject((HFONT) M_FONTDATA->m_hFont);
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M_FONTDATA->m_hFont = 0;
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return TRUE;
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}
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return FALSE;
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}
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/*
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bool wxFont::UseResource(void)
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{
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IncrementResourceUsage();
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return TRUE;
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}
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bool wxFont::ReleaseResource(void)
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{
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DecrementResourceUsage();
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return TRUE;
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}
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*/
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WXHANDLE wxFont::GetResourceHandle(void)
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{
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if ( !M_FONTDATA )
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return 0;
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else
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return (WXHANDLE)M_FONTDATA->m_hFont ;
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}
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bool wxFont::IsFree(void)
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{
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return (M_FONTDATA && (M_FONTDATA->m_hFont == 0));
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}
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void wxFont::SetPointSize(const int pointSize)
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{
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if ( !m_refData )
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m_refData = new wxFontRefData;
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M_FONTDATA->m_pointSize = pointSize;
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}
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void wxFont::SetFamily(const int family)
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{
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if ( !m_refData )
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m_refData = new wxFontRefData;
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M_FONTDATA->m_family = family;
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}
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void wxFont::SetStyle(const int style)
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{
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if ( !m_refData )
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m_refData = new wxFontRefData;
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M_FONTDATA->m_style = style;
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}
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void wxFont::SetWeight(const int weight)
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{
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if ( !m_refData )
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m_refData = new wxFontRefData;
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M_FONTDATA->m_weight = weight;
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}
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void wxFont::SetFaceName(const wxString& faceName)
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{
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if ( !m_refData )
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m_refData = new wxFontRefData;
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M_FONTDATA->m_faceName = faceName;
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}
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void wxFont::SetUnderlined(const bool underlined)
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{
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if ( !m_refData )
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m_refData = new wxFontRefData;
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M_FONTDATA->m_underlined = underlined;
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}
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wxString wxFont::GetFamilyString(void) const
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{
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wxString fam("");
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switch (GetFamily())
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{
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case wxDECORATIVE:
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fam = "wxDECORATIVE";
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break;
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case wxROMAN:
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fam = "wxROMAN";
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break;
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case wxSCRIPT:
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fam = "wxSCRIPT";
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break;
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case wxSWISS:
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fam = "wxSWISS";
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break;
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case wxMODERN:
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fam = "wxMODERN";
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break;
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case wxTELETYPE:
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fam = "wxTELETYPE";
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break;
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default:
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fam = "wxDEFAULT";
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break;
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}
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return fam;
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}
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/* New font system */
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wxString wxFont::GetFaceName(void) const
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{
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wxString str("");
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if (M_FONTDATA)
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str = M_FONTDATA->m_faceName ;
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return str;
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}
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wxString wxFont::GetStyleString(void) const
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{
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wxString styl("");
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switch (GetStyle())
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{
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case wxITALIC:
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styl = "wxITALIC";
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break;
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case wxSLANT:
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styl = "wxSLANT";
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break;
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default:
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styl = "wxNORMAL";
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break;
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}
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return styl;
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}
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wxString wxFont::GetWeightString(void) const
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{
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wxString w("");
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switch (GetWeight())
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{
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case wxBOLD:
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w = "wxBOLD";
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break;
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case wxLIGHT:
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w = "wxLIGHT";
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break;
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default:
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w = "wxNORMAL";
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break;
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}
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return w;
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}
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