1///////////////////////////////////////////////////////////////////////////// 2// Name: src/mgl/fontmgr.cpp 3// Purpose: font management for wxMGL 4// Author: Vaclav Slavik 5// Created: 2006-11-18 6// RCS-ID: $Id: fontmgr.cpp 43598 2006-07-25 06:48:03Z ABX $ 7// Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com) 8// (c) 2006 REA Elektronik GmbH 9// Licence: wxWindows licence 10///////////////////////////////////////////////////////////////////////////// 11 12// For compilers that support precompilation, includes "wx.h". 13#include "wx/wxprec.h" 14 15#ifdef __BORLANDC__ 16 #pragma hdrstop 17#endif 18 19#ifndef WX_PRECOMP 20 #include "wx/log.h" 21#endif 22 23#include "wx/private/fontmgr.h" 24#include "wx/sysopt.h" 25 26#include <mgraph.h> 27 28static int gs_antialiasingThreshold = -1; 29 30// ============================================================================ 31// implementation 32// ============================================================================ 33 34// ---------------------------------------------------------------------------- 35// wxFontInstance 36// ---------------------------------------------------------------------------- 37 38wxFontInstance::wxFontInstance(float ptSize, bool aa, font_lib_t *fontLib) 39 : wxFontInstanceBase(ptSize, aa) 40{ 41 m_font = MGL_loadFontInstance(fontLib, ptSize, 0.0, 0.0, aa); 42 43 wxASSERT_MSG( m_font, _T("cannot create font instance") ); 44} 45 46wxFontInstance::~wxFontInstance() 47{ 48 if ( m_font ) 49 MGL_unloadFontInstance(m_font); 50} 51 52// ---------------------------------------------------------------------------- 53// wxFontFace 54// ---------------------------------------------------------------------------- 55 56void wxFontFace::Acquire() 57{ 58 wxFontFaceBase::Acquire(); 59 60 if ( m_refCnt == 1 ) 61 { 62 wxCHECK_RET( m_fontLib == NULL, _T("font lib already created") ); 63 64 wxLogTrace("mgl_font", "opening library '%s'", m_fileName.mb_str()); 65 m_fontLib = MGL_openFontLib(m_fileName.fn_str()); 66 } 67} 68 69void wxFontFace::Release() 70{ 71 wxFontFaceBase::Release(); 72 73 if ( m_refCnt == 0 ) 74 { 75 wxCHECK_RET( m_fontLib != NULL, _T("font lib not created") ); 76 77 wxLogTrace("mgl_font", "closing library '%s'", m_fileName.mb_str()); 78 MGL_closeFontLib(m_fontLib); 79 m_fontLib = NULL; 80 } 81} 82 83wxFontInstance *wxFontFace::GetFontInstance(float ptSize, bool aa) 84{ 85 if ( gs_antialiasingThreshold == -1 ) 86 { 87 gs_antialiasingThreshold = 10; 88#if wxUSE_SYSTEM_OPTIONS 89 if ( wxSystemOptions::HasOption(wxT("mgl.aa-threshold")) ) 90 gs_antialiasingThreshold = 91 wxSystemOptions::GetOptionInt(wxT("mgl.aa-threshold")); 92 wxLogTrace("mgl_font", "AA threshold set to %i", gs_antialiasingThreshold); 93#endif 94 } 95 96 // Small characters don't look good when antialiased with the algorithm 97 // that FreeType uses (mere 2x2 supersampling), so lets disable AA 98 // completely for small fonts. Bitmap fonts are not antialiased either. 99 if ( ptSize <= gs_antialiasingThreshold || 100 m_fontLib->fontLibType == MGL_BITMAPFONT_LIB ) 101 { 102 aa = false; 103 } 104 105 return wxFontFaceBase::GetFontInstance(ptSize, aa); 106} 107 108wxFontInstance *wxFontFace::CreateFontInstance(float ptSize, bool aa) 109{ 110 wxASSERT_MSG( m_fontLib, _T("font library not loaded!") ); 111 112 return new wxFontInstance(ptSize, aa, m_fontLib); 113} 114 115// ---------------------------------------------------------------------------- 116// wxFontBundle 117// ---------------------------------------------------------------------------- 118 119wxFontBundle::wxFontBundle(const font_info_t *info) 120 : m_fontInfo(info) 121{ 122 if ( info->regularFace[0] != '\0' ) 123 m_faces[FaceType_Regular] = new wxFontFace(info->regularFace); 124 125 if ( info->italicFace[0] != '\0' ) 126 m_faces[FaceType_Italic] = new wxFontFace(info->italicFace); 127 128 if ( info->boldFace[0] != '\0' ) 129 m_faces[FaceType_Bold] = new wxFontFace(info->boldFace); 130 131 if ( info->boldItalicFace[0] != '\0' ) 132 m_faces[FaceType_BoldItalic] = new wxFontFace(info->boldItalicFace); 133 134 wxLogTrace("mgl_font", "new family '%s' (r=%s, i=%s, b=%s, bi=%s)\n", 135 info->familyName, info->regularFace, info->italicFace, 136 info->boldFace, info->boldItalicFace); 137} 138 139wxString wxFontBundle::GetName() const 140{ 141 return wxString::FromAscii(m_fontInfo->familyName); 142} 143 144bool wxFontBundle::IsFixed() const 145{ 146 return m_fontInfo->isFixed; 147} 148 149 150// ---------------------------------------------------------------------------- 151// wxFontsManager 152// ---------------------------------------------------------------------------- 153 154wxString wxFontsManager::GetDefaultFacename(wxFontFamily family) const 155{ 156 switch ( family ) 157 { 158 case wxSCRIPT: 159 return _T("Script"); 160 case wxDECORATIVE: 161 return _T("Charter"); 162 case wxROMAN: 163 return _T("Times"); 164 case wxTELETYPE: 165 case wxMODERN: 166 return _T("Courier"); 167 case wxSWISS: 168 case wxDEFAULT: 169 default: 170 return wxT("Helvetica"); 171 } 172} 173 174static ibool MGLAPI enum_callback(const font_info_t *info, void *cookie) 175{ 176 wxFontsManager *db = (wxFontsManager*)cookie; 177 db->AddBundle(new wxFontBundle(info)); 178 return TRUE; 179} 180 181void wxFontsManager::AddAllFonts() 182{ 183 MGL_enumerateFonts(enum_callback, (void*)this); 184} 185