src/mgl/fontutil.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        mgl/fontutil.cpp
// Purpose:     Font helper functions for MGL
// Author:      Vaclav Slavik
// Created:     2001/04/29
// RCS-ID:      $Id$
// Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
// Licence:     wxWindows license
/////////////////////////////////////////////////////////////////////////////


#ifdef __GNUG__
    #pragma implementation "fontutil.h"
#endif

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#ifndef WX_PRECOMP
    #include "wx/log.h"
    #include "wx/fontutil.h"
    #include "wx/fontmap.h"
    #include "wx/tokenzr.h"
    #include "wx/hash.h"
#endif // PCH


#include "wx/listimpl.cpp"
#include "wx/mgl/private.h"

#include <mgraph.h>

// ============================================================================
// implementation
// ============================================================================

// ----------------------------------------------------------------------------
// wxNativeEncodingInfo
// ----------------------------------------------------------------------------

// convert to/from the string representation: format is
//      encoding[;facename]
bool wxNativeEncodingInfo::FromString(const wxString& s)
{
    wxStringTokenizer tokenizer(s, _T(";"));

    wxString encid = tokenizer.GetNextToken();
    long enc;
    if ( !encid.ToLong(&enc) )
        return FALSE;
    encoding = (wxFontEncoding)enc;

    // ok even if empty
    facename = tokenizer.GetNextToken();

    return TRUE;
}

wxString wxNativeEncodingInfo::ToString() const
{
    wxString s;
    s << (long)encoding;
    if ( !!facename )
    {
        s << _T(';') << facename;
    }

    return s;
}

// ----------------------------------------------------------------------------
// common functions
// ----------------------------------------------------------------------------

bool wxGetNativeFontEncoding(wxFontEncoding encoding,
                             wxNativeEncodingInfo *info)
{
    wxCHECK_MSG( info, FALSE, _T("bad pointer in wxGetNativeFontEncoding") );

    if ( encoding == wxFONTENCODING_DEFAULT )
    {
        encoding = wxFont::GetDefaultEncoding();
    }

    switch ( encoding )
    {
        case wxFONTENCODING_ISO8859_1:
        case wxFONTENCODING_ISO8859_2:
        case wxFONTENCODING_ISO8859_3:
        case wxFONTENCODING_ISO8859_4:
        case wxFONTENCODING_ISO8859_5:
        case wxFONTENCODING_ISO8859_6:
        case wxFONTENCODING_ISO8859_7:
        case wxFONTENCODING_ISO8859_8:
        case wxFONTENCODING_ISO8859_9:
        case wxFONTENCODING_ISO8859_10:
        case wxFONTENCODING_ISO8859_11:
        case wxFONTENCODING_ISO8859_13:
        case wxFONTENCODING_ISO8859_14:
        case wxFONTENCODING_ISO8859_15:
            info->mglEncoding = MGL_ENCODING_ISO8859_1 +
                                (encoding - wxFONTENCODING_ISO8859_1);
            break;

        case wxFONTENCODING_KOI8:
            info->mglEncoding = MGL_ENCODING_KOI8;
            break;

        case wxFONTENCODING_CP1250:
        case wxFONTENCODING_CP1251:
        case wxFONTENCODING_CP1252:
        case wxFONTENCODING_CP1253:
        case wxFONTENCODING_CP1254:
        case wxFONTENCODING_CP1255:
        case wxFONTENCODING_CP1256:
        case wxFONTENCODING_CP1257:
            info->mglEncoding = MGL_ENCODING_CP1250 +
                                (encoding - wxFONTENCODING_CP1250);
            break;

        case wxFONTENCODING_SYSTEM:
            info->mglEncoding = MGL_ENCODING_ASCII;
            break;

        default:
            // encoding not known to MGL
            return FALSE;
    }

    info->encoding = encoding;

    return TRUE;
}

bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
{
    if ( !info.facename )
        return TRUE;

    wxMGLFontFamily *family = wxTheFontsManager->GetFamily(info.facename);
    if ( !family )
        return FALSE;
    if ( family->GetInfo()->fontLibType == MGL_BITMAPFONT_LIB )
        return (info.mglEncoding == MGL_ENCODING_ASCII ||
                info.mglEncoding == MGL_ENCODING_ISO8859_1 ||
                info.mglEncoding == MGL_ENCODING_ISO8859_15 ||
                info.mglEncoding == MGL_ENCODING_CP1252);
    else
        return TRUE;
}


// ----------------------------------------------------------------------------
// wxFontFamily, wxMGLFontInstance, wxMGLFontLibrary
// ----------------------------------------------------------------------------

WX_DECLARE_LIST(wxMGLFontInstance, wxMGLFontInstanceList);
WX_DEFINE_LIST(wxMGLFontInstanceList);
WX_DEFINE_LIST(wxMGLFontFamilyList);

wxMGLFontInstance::wxMGLFontInstance(wxMGLFontLibrary *fontLib,
                                     float pt, bool slant, bool aa)
{
    m_fontLib = fontLib;
    m_font = NULL;
    m_pt = pt;
    m_slant = slant;
    m_aa = aa;

    float slantAngle = m_slant ? 15.0 : 0.0;

    wxLogTrace("mgl_font", "loading instance of '%s' slant=%i pt=%0.1f aa=%i",
               m_fontLib->GetMGLfont_lib_t()->name, m_slant, m_pt, m_aa);
    m_font = MGL_loadFontInstance(m_fontLib->GetMGLfont_lib_t(),
                                  m_pt, slantAngle, 0.0, aa);
    wxASSERT_MSG( m_font, wxT("Cannot create font instance.") );
}

wxMGLFontInstance::~wxMGLFontInstance()
{
    wxLogTrace("mgl_font", "unloading instance of '%s' slant=%i pt=%0.1f aa=%i",
               m_fontLib->GetMGLfont_lib_t()->name, m_slant, m_pt, m_aa);
    if ( m_font )
        MGL_unloadFontInstance(m_font);
}

wxMGLFontLibrary::wxMGLFontLibrary(const wxString& filename, int type)
{
    m_type = type;
    m_fileName = filename;
    m_refs = 0;
    m_fontLib = NULL;

    m_instances = new wxMGLFontInstanceList;
    m_instances->DeleteContents(TRUE);
}

wxMGLFontLibrary::~wxMGLFontLibrary()
{
    wxLogTrace("mgl_font", "font library dtor '%s'", m_fileName.mb_str());
    delete m_instances;
}

void wxMGLFontLibrary::IncRef()
{
    wxLogTrace("mgl_font", "incRef(%u) '%s'", m_refs, m_fileName.c_str());
    if ( m_refs++ == 0 )
    {
        wxLogTrace("mgl_font", "opening library '%s'", m_fileName.mb_str());
        m_fontLib = MGL_openFontLib(m_fileName.mb_str());
    }
}

void wxMGLFontLibrary::DecRef()
{
    wxLogTrace("mgl_font", "decRef(%u) '%s'", m_refs, m_fileName.c_str());
    if ( --m_refs == 0 )
    {
        wxLogTrace("mgl_font", "killing instances of '%s'", m_fileName.mb_str());
        m_instances->Clear();
        wxLogTrace("mgl_font", "closing library '%s'", m_fileName.mb_str());
        MGL_closeFontLib(m_fontLib);
        m_fontLib = NULL;
    }
}

wxMGLFontInstance *wxMGLFontLibrary::GetFontInstance(wxFont *font,
                                                     float scale, bool aa)
{
    wxASSERT_MSG(m_refs > 0 && m_fontLib, wxT("font library not loaded!"));

    wxString facename;
    bool slant;
    bool antialiased =
        (m_fontLib->fontLibType == MGL_BITMAPFONT_LIB) ? FALSE : aa;
    float pt = (float)font->GetPointSize() * scale;

    slant = (((m_type & wxFONTFACE_ITALIC) == 0) &&
             (font->GetStyle() == wxSLANT || font->GetStyle() == wxITALIC));

    // FIXME_MGL -- MGL does not yet support slant, although the API is there
    slant = FALSE;

    wxLogTrace("mgl_font", "requested instance of '%s' slant=%i pt=%0.1f aa=%i",
               m_fileName.mb_str(), slant, pt, antialiased);

    wxMGLFontInstance *i;
    wxMGLFontInstanceList::Node *node;

    for (node = m_instances->GetFirst(); node; node = node->GetNext())
    {
        i = node->GetData();
        if ( i->GetPt() == pt && i->GetSlant() == slant &&
             i->GetAA() == antialiased )
        {
            wxLogTrace("mgl_font", "    got from cache: slant=%i pt=%0.1f aa=%i",
                       i->GetSlant(), i->GetPt(), i->GetAA());
            return i;
        }
    }

    i = new wxMGLFontInstance(this, pt, slant, antialiased);
    m_instances->Append(i);
    return i;
}


wxMGLFontFamily::wxMGLFontFamily(const font_info_t *info)
{
    m_name = info->familyName;
    m_fontInfo = info;

    if ( info->regularFace[0] == '\0' )
        m_fontLibs[wxFONTFACE_REGULAR] = NULL;
    else
        m_fontLibs[wxFONTFACE_REGULAR] =
            new wxMGLFontLibrary(info->regularFace, wxFONTFACE_REGULAR);

    if ( info->italicFace[0] == '\0' )
        m_fontLibs[wxFONTFACE_ITALIC] = NULL;
    else
        m_fontLibs[wxFONTFACE_ITALIC] =
            new wxMGLFontLibrary(info->italicFace, wxFONTFACE_ITALIC);

    if ( info->boldFace[0] == '\0' )
        m_fontLibs[wxFONTFACE_BOLD] = NULL;
    else
        m_fontLibs[wxFONTFACE_BOLD] =
            new wxMGLFontLibrary(info->boldFace, wxFONTFACE_BOLD);

    if ( info->boldItalicFace[0] == '\0' )
        m_fontLibs[wxFONTFACE_BOLD_ITALIC] = NULL;
    else
        m_fontLibs[wxFONTFACE_BOLD_ITALIC] =
            new wxMGLFontLibrary(info->boldItalicFace, wxFONTFACE_BOLD_ITALIC);

    wxLogTrace("mgl_font", "new family '%s' (r=%s, i=%s, b=%s, bi=%s)\n",
               info->familyName, info->regularFace, info->italicFace,
               info->boldFace, info->boldItalicFace);
}

wxMGLFontFamily::~wxMGLFontFamily()
{
    for (size_t i = 0; i < wxFONTFACE_MAX; i++)
        delete m_fontLibs[i];
}

bool wxMGLFontFamily::HasFace(int type) const
{
    return (m_fontLibs[type] != NULL);
}


// ----------------------------------------------------------------------------
// wxFontsManager
// ----------------------------------------------------------------------------

wxMGLFontLibrary *wxFontsManager::GetFontLibrary(wxFont *font)
{
    wxMGLFontFamily *family;
    int type;
    wxString facename = font->GetFaceName();

    if ( !facename.IsEmpty() )
        family = GetFamily(facename);
    else
        family = NULL;

    if ( !family )
    {
        facename.Empty();
        switch (font->GetFamily())
        {
            case wxSCRIPT:
                facename = wxT("Script");
                break;
            case wxDECORATIVE:
                facename = wxT("Charter");
                break;
            case wxROMAN:
                facename = wxT("Times");
                break;
            case wxTELETYPE:
            case wxMODERN:
                facename = wxT("Courier");
                break;
            case wxSWISS:
                facename = wxT("Helvetica");
                break;
            case wxDEFAULT:
            default:
                facename = wxT("Helvetica");
                break;
        }

        family = GetFamily(facename);
        if ( !family )
        {
           if ( m_list->GetFirst() )
               family = m_list->GetFirst()->GetData();
           else
               wxFAIL_MSG(wxT("Fatal error, no fonts available!"));
        }
    }

    type = wxFONTFACE_REGULAR;

    if ( font->GetWeight() == wxBOLD )
        type |= wxFONTFACE_BOLD;

    // FIXME_MGL -- this should read "if ( font->GetStyle() == wxITALIC )",
    // but since MGL does not yet support slant, we try to display it with
    // italic face (better than nothing...)
    if ( font->GetStyle() == wxITALIC || font->GetStyle() == wxSLANT )
    {
        if ( family->HasFace(type | wxFONTFACE_ITALIC) )
            type |= wxFONTFACE_ITALIC;
    }
    if ( !family->HasFace(type) )
    {
        for (int i = 0; i < wxFONTFACE_MAX; i++)
            if ( family->HasFace(i) )
            {
                type = i;
                break;
            }
    }

    return family->GetLibrary(type);
}

static ibool enum_callback(const font_info_t *info, void *cookie)
{
    wxFontsManager *db = (wxFontsManager*)cookie;
    db->AddFamily(info);
    return TRUE;
}

wxFontsManager::wxFontsManager()
{
    m_hash = new wxHashTable(wxKEY_STRING);
    m_hash->DeleteContents(FALSE);
    m_list = new wxMGLFontFamilyList;
    m_list->DeleteContents(TRUE);
    MGL_enumerateFonts(enum_callback, (void*)this);
}

wxFontsManager::~wxFontsManager()
{
    delete m_hash;
    delete m_list;
}

void wxFontsManager::AddFamily(const font_info_t *info)
{
    wxMGLFontFamily *f = new wxMGLFontFamily(info);
    m_hash->Put(f->GetName().Lower(), f);
    m_list->Append(f);
}

wxMGLFontFamily *wxFontsManager::GetFamily(const wxString& name) const
{
    return (wxMGLFontFamily*)m_hash->Get(name.Lower());
}


wxFontsManager *wxTheFontsManager = NULL;
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: mgl/fontutil.cpp
	3	// Purpose: Font helper functions for MGL
	4	// Author: Vaclav Slavik
	5	// Created: 2001/04/29
	6	// RCS-ID: $Id$
	7	// Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
	8	// Licence: wxWindows license
	9	/////////////////////////////////////////////////////////////////////////////
	10
	11
	12	#ifdef __GNUG__
	13	#pragma implementation "fontutil.h"
	14	#endif
	15
	16	// For compilers that support precompilation, includes "wx.h".
	17	#include "wx/wxprec.h"
	18
	19	#ifdef __BORLANDC__
	20	#pragma hdrstop
	21	#endif
	22
	23	#ifndef WX_PRECOMP
	24	#include "wx/log.h"
	25	#include "wx/fontutil.h"
	26	#include "wx/fontmap.h"
	27	#include "wx/tokenzr.h"
	28	#include "wx/hash.h"
	29	#endif // PCH
	30
	31
	32	#include "wx/listimpl.cpp"
	33	#include "wx/mgl/private.h"
	34
	35	#include <mgraph.h>
	36
	37	// ============================================================================
	38	// implementation
	39	// ============================================================================
	40
	41	// ----------------------------------------------------------------------------
	42	// wxNativeEncodingInfo
	43	// ----------------------------------------------------------------------------
	44
	45	// convert to/from the string representation: format is
	46	// encoding[;facename]
	47	bool wxNativeEncodingInfo::FromString(const wxString& s)
	48	{
	49	wxStringTokenizer tokenizer(s, _T(";"));
	50
	51	wxString encid = tokenizer.GetNextToken();
	52	long enc;
	53	if ( !encid.ToLong(&enc) )
	54	return FALSE;
	55	encoding = (wxFontEncoding)enc;
	56
	57	// ok even if empty
	58	facename = tokenizer.GetNextToken();
	59
	60	return TRUE;
	61	}
	62
	63	wxString wxNativeEncodingInfo::ToString() const
	64	{
	65	wxString s;
	66	s << (long)encoding;
	67	if ( !!facename )
	68	{
	69	s << _T(';') << facename;
	70	}
	71
	72	return s;
	73	}
	74
	75	// ----------------------------------------------------------------------------
	76	// common functions
	77	// ----------------------------------------------------------------------------
	78
	79	bool wxGetNativeFontEncoding(wxFontEncoding encoding,
	80	wxNativeEncodingInfo *info)
	81	{
	82	wxCHECK_MSG( info, FALSE, _T("bad pointer in wxGetNativeFontEncoding") );
	83
	84	if ( encoding == wxFONTENCODING_DEFAULT )
	85	{
	86	encoding = wxFont::GetDefaultEncoding();
	87	}
	88
	89	switch ( encoding )
	90	{
	91	case wxFONTENCODING_ISO8859_1:
	92	case wxFONTENCODING_ISO8859_2:
	93	case wxFONTENCODING_ISO8859_3:
	94	case wxFONTENCODING_ISO8859_4:
	95	case wxFONTENCODING_ISO8859_5:
	96	case wxFONTENCODING_ISO8859_6:
	97	case wxFONTENCODING_ISO8859_7:
	98	case wxFONTENCODING_ISO8859_8:
	99	case wxFONTENCODING_ISO8859_9:
	100	case wxFONTENCODING_ISO8859_10:
	101	case wxFONTENCODING_ISO8859_11:
	102	case wxFONTENCODING_ISO8859_13:
	103	case wxFONTENCODING_ISO8859_14:
	104	case wxFONTENCODING_ISO8859_15:
	105	info->mglEncoding = MGL_ENCODING_ISO8859_1 +
	106	(encoding - wxFONTENCODING_ISO8859_1);
	107	break;
	108
	109	case wxFONTENCODING_KOI8:
	110	info->mglEncoding = MGL_ENCODING_KOI8;
	111	break;
	112
	113	case wxFONTENCODING_CP1250:
	114	case wxFONTENCODING_CP1251:
	115	case wxFONTENCODING_CP1252:
	116	case wxFONTENCODING_CP1253:
	117	case wxFONTENCODING_CP1254:
	118	case wxFONTENCODING_CP1255:
	119	case wxFONTENCODING_CP1256:
	120	case wxFONTENCODING_CP1257:
	121	info->mglEncoding = MGL_ENCODING_CP1250 +
	122	(encoding - wxFONTENCODING_CP1250);
	123	break;
	124
	125	case wxFONTENCODING_SYSTEM:
	126	info->mglEncoding = MGL_ENCODING_ASCII;
	127	break;
	128
	129	default:
	130	// encoding not known to MGL
	131	return FALSE;
	132	}
	133
	134	info->encoding = encoding;
	135
	136	return TRUE;
	137	}
	138
	139	bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
	140	{
	141	if ( !info.facename )
	142	return TRUE;
	143
	144	wxMGLFontFamily *family = wxTheFontsManager->GetFamily(info.facename);
	145	if ( !family )
	146	return FALSE;
	147	if ( family->GetInfo()->fontLibType == MGL_BITMAPFONT_LIB )
	148	return (info.mglEncoding == MGL_ENCODING_ASCII \|\|
	149	info.mglEncoding == MGL_ENCODING_ISO8859_1 \|\|
	150	info.mglEncoding == MGL_ENCODING_ISO8859_15 \|\|
	151	info.mglEncoding == MGL_ENCODING_CP1252);
	152	else
	153	return TRUE;
	154	}
	155
	156
	157	// ----------------------------------------------------------------------------
	158	// wxFontFamily, wxMGLFontInstance, wxMGLFontLibrary
	159	// ----------------------------------------------------------------------------
	160
	161	WX_DECLARE_LIST(wxMGLFontInstance, wxMGLFontInstanceList);
	162	WX_DEFINE_LIST(wxMGLFontInstanceList);
	163	WX_DEFINE_LIST(wxMGLFontFamilyList);
	164
	165	wxMGLFontInstance::wxMGLFontInstance(wxMGLFontLibrary *fontLib,
	166	float pt, bool slant, bool aa)
	167	{
	168	m_fontLib = fontLib;
	169	m_font = NULL;
	170	m_pt = pt;
	171	m_slant = slant;
	172	m_aa = aa;
	173
	174	float slantAngle = m_slant ? 15.0 : 0.0;
	175
	176	wxLogTrace("mgl_font", "loading instance of '%s' slant=%i pt=%0.1f aa=%i",
	177	m_fontLib->GetMGLfont_lib_t()->name, m_slant, m_pt, m_aa);
	178	m_font = MGL_loadFontInstance(m_fontLib->GetMGLfont_lib_t(),
	179	m_pt, slantAngle, 0.0, aa);
	180	wxASSERT_MSG( m_font, wxT("Cannot create font instance.") );
	181	}
	182
	183	wxMGLFontInstance::~wxMGLFontInstance()
	184	{
	185	wxLogTrace("mgl_font", "unloading instance of '%s' slant=%i pt=%0.1f aa=%i",
	186	m_fontLib->GetMGLfont_lib_t()->name, m_slant, m_pt, m_aa);
	187	if ( m_font )
	188	MGL_unloadFontInstance(m_font);
	189	}
	190
	191	wxMGLFontLibrary::wxMGLFontLibrary(const wxString& filename, int type)
	192	{
	193	m_type = type;
	194	m_fileName = filename;
	195	m_refs = 0;
	196	m_fontLib = NULL;
	197
	198	m_instances = new wxMGLFontInstanceList;
	199	m_instances->DeleteContents(TRUE);
	200	}
	201
	202	wxMGLFontLibrary::~wxMGLFontLibrary()
	203	{
	204	wxLogTrace("mgl_font", "font library dtor '%s'", m_fileName.mb_str());
	205	delete m_instances;
	206	}
	207
	208	void wxMGLFontLibrary::IncRef()
	209	{
	210	wxLogTrace("mgl_font", "incRef(%u) '%s'", m_refs, m_fileName.c_str());
	211	if ( m_refs++ == 0 )
	212	{
	213	wxLogTrace("mgl_font", "opening library '%s'", m_fileName.mb_str());
	214	m_fontLib = MGL_openFontLib(m_fileName.mb_str());
	215	}
	216	}
	217
	218	void wxMGLFontLibrary::DecRef()
	219	{
	220	wxLogTrace("mgl_font", "decRef(%u) '%s'", m_refs, m_fileName.c_str());
	221	if ( --m_refs == 0 )
	222	{
	223	wxLogTrace("mgl_font", "killing instances of '%s'", m_fileName.mb_str());
	224	m_instances->Clear();
	225	wxLogTrace("mgl_font", "closing library '%s'", m_fileName.mb_str());
	226	MGL_closeFontLib(m_fontLib);
	227	m_fontLib = NULL;
	228	}
	229	}
	230
	231	wxMGLFontInstance wxMGLFontLibrary::GetFontInstance(wxFont font,
	232	float scale, bool aa)
	233	{
	234	wxASSERT_MSG(m_refs > 0 && m_fontLib, wxT("font library not loaded!"));
	235
	236	wxString facename;
	237	bool slant;
	238	bool antialiased =
	239	(m_fontLib->fontLibType == MGL_BITMAPFONT_LIB) ? FALSE : aa;
	240	float pt = (float)font->GetPointSize() * scale;
	241
	242	slant = (((m_type & wxFONTFACE_ITALIC) == 0) &&
	243	(font->GetStyle() == wxSLANT \|\| font->GetStyle() == wxITALIC));
	244
	245	// FIXME_MGL -- MGL does not yet support slant, although the API is there
	246	slant = FALSE;
	247
	248	wxLogTrace("mgl_font", "requested instance of '%s' slant=%i pt=%0.1f aa=%i",
	249	m_fileName.mb_str(), slant, pt, antialiased);
	250
	251	wxMGLFontInstance *i;
	252	wxMGLFontInstanceList::Node *node;
	253
	254	for (node = m_instances->GetFirst(); node; node = node->GetNext())
	255	{
	256	i = node->GetData();
	257	if ( i->GetPt() == pt && i->GetSlant() == slant &&
	258	i->GetAA() == antialiased )
	259	{
	260	wxLogTrace("mgl_font", " got from cache: slant=%i pt=%0.1f aa=%i",
	261	i->GetSlant(), i->GetPt(), i->GetAA());
	262	return i;
	263	}
	264	}
	265
	266	i = new wxMGLFontInstance(this, pt, slant, antialiased);
	267	m_instances->Append(i);
	268	return i;
	269	}
	270
	271
	272	wxMGLFontFamily::wxMGLFontFamily(const font_info_t *info)
	273	{
	274	m_name = info->familyName;
	275	m_fontInfo = info;
	276
	277	if ( info->regularFace[0] == '\0' )
	278	m_fontLibs[wxFONTFACE_REGULAR] = NULL;
	279	else
	280	m_fontLibs[wxFONTFACE_REGULAR] =
	281	new wxMGLFontLibrary(info->regularFace, wxFONTFACE_REGULAR);
	282
	283	if ( info->italicFace[0] == '\0' )
	284	m_fontLibs[wxFONTFACE_ITALIC] = NULL;
	285	else
	286	m_fontLibs[wxFONTFACE_ITALIC] =
	287	new wxMGLFontLibrary(info->italicFace, wxFONTFACE_ITALIC);
	288
	289	if ( info->boldFace[0] == '\0' )
	290	m_fontLibs[wxFONTFACE_BOLD] = NULL;
	291	else
	292	m_fontLibs[wxFONTFACE_BOLD] =
	293	new wxMGLFontLibrary(info->boldFace, wxFONTFACE_BOLD);
	294
	295	if ( info->boldItalicFace[0] == '\0' )
	296	m_fontLibs[wxFONTFACE_BOLD_ITALIC] = NULL;
	297	else
	298	m_fontLibs[wxFONTFACE_BOLD_ITALIC] =
	299	new wxMGLFontLibrary(info->boldItalicFace, wxFONTFACE_BOLD_ITALIC);
	300
	301	wxLogTrace("mgl_font", "new family '%s' (r=%s, i=%s, b=%s, bi=%s)\n",
	302	info->familyName, info->regularFace, info->italicFace,
	303	info->boldFace, info->boldItalicFace);
	304	}
	305
	306	wxMGLFontFamily::~wxMGLFontFamily()
	307	{
	308	for (size_t i = 0; i < wxFONTFACE_MAX; i++)
	309	delete m_fontLibs[i];
	310	}
	311
	312	bool wxMGLFontFamily::HasFace(int type) const
	313	{
	314	return (m_fontLibs[type] != NULL);
	315	}
	316
	317
	318	// ----------------------------------------------------------------------------
	319	// wxFontsManager
	320	// ----------------------------------------------------------------------------
	321
	322	wxMGLFontLibrary wxFontsManager::GetFontLibrary(wxFont font)
	323	{
	324	wxMGLFontFamily *family;
	325	int type;
	326	wxString facename = font->GetFaceName();
	327
	328	if ( !facename.IsEmpty() )
	329	family = GetFamily(facename);
	330	else
	331	family = NULL;
	332
	333	if ( !family )
	334	{
	335	facename.Empty();
	336	switch (font->GetFamily())
	337	{
	338	case wxSCRIPT:
	339	facename = wxT("Script");
	340	break;
	341	case wxDECORATIVE:
	342	facename = wxT("Charter");
	343	break;
	344	case wxROMAN:
	345	facename = wxT("Times");
	346	break;
	347	case wxTELETYPE:
	348	case wxMODERN:
	349	facename = wxT("Courier");
	350	break;
	351	case wxSWISS:
	352	facename = wxT("Helvetica");
	353	break;
	354	case wxDEFAULT:
	355	default:
	356	facename = wxT("Helvetica");
	357	break;
	358	}
	359
	360	family = GetFamily(facename);
	361	if ( !family )
	362	{
	363	if ( m_list->GetFirst() )
	364	family = m_list->GetFirst()->GetData();
	365	else
	366	wxFAIL_MSG(wxT("Fatal error, no fonts available!"));
	367	}
	368	}
	369
	370	type = wxFONTFACE_REGULAR;
	371
	372	if ( font->GetWeight() == wxBOLD )
	373	type \|= wxFONTFACE_BOLD;
	374
	375	// FIXME_MGL -- this should read "if ( font->GetStyle() == wxITALIC )",
	376	// but since MGL does not yet support slant, we try to display it with
	377	// italic face (better than nothing...)
	378	if ( font->GetStyle() == wxITALIC \|\| font->GetStyle() == wxSLANT )
	379	{
	380	if ( family->HasFace(type \| wxFONTFACE_ITALIC) )
	381	type \|= wxFONTFACE_ITALIC;
	382	}
	383	if ( !family->HasFace(type) )
	384	{
	385	for (int i = 0; i < wxFONTFACE_MAX; i++)
	386	if ( family->HasFace(i) )
	387	{
	388	type = i;
	389	break;
	390	}
	391	}
	392
	393	return family->GetLibrary(type);
	394	}
	395
	396	static ibool enum_callback(const font_info_t info, void cookie)
	397	{
	398	wxFontsManager db = (wxFontsManager)cookie;
	399	db->AddFamily(info);
	400	return TRUE;
	401	}
	402
	403	wxFontsManager::wxFontsManager()
	404	{
	405	m_hash = new wxHashTable(wxKEY_STRING);
	406	m_hash->DeleteContents(FALSE);
	407	m_list = new wxMGLFontFamilyList;
	408	m_list->DeleteContents(TRUE);
	409	MGL_enumerateFonts(enum_callback, (void*)this);
	410	}
	411
	412	wxFontsManager::~wxFontsManager()
	413	{
	414	delete m_hash;
	415	delete m_list;
	416	}
	417
	418	void wxFontsManager::AddFamily(const font_info_t *info)
	419	{
	420	wxMGLFontFamily *f = new wxMGLFontFamily(info);
	421	m_hash->Put(f->GetName().Lower(), f);
	422	m_list->Append(f);
	423	}
	424
	425	wxMGLFontFamily *wxFontsManager::GetFamily(const wxString& name) const
	426	{
	427	return (wxMGLFontFamily*)m_hash->Get(name.Lower());
	428	}
	429
	430
	431	wxFontsManager *wxTheFontsManager = NULL;