redraw fixes for OSX

[wxWidgets.git] / src / mac / font.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        font.cpp
// Purpose:     wxFont class
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id$
// Copyright:   (c) Stefan Csomor
// Licence:       wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

#include "wx/defs.h"
#include "wx/string.h"
#include "wx/font.h"
#include "wx/fontutil.h"
#include "wx/gdicmn.h"
#include "wx/utils.h"

#include "wx/fontutil.h"

#include "wx/mac/private.h"
#include "ATSUnicode.h"

#if !USE_SHARED_LIBRARIES
IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
#endif

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

// ----------------------------------------------------------------------------
// wxFontRefData
// ----------------------------------------------------------------------------

void wxFontRefData::Init(int pointSize,
                         int family,
                         int style,
                         int weight,
                         bool underlined,
                         const wxString& faceName,
                         wxFontEncoding encoding)
{
    m_style = style;
    m_pointSize = pointSize;
    m_family = family;
    m_style = style;
    m_weight = weight;
    m_underlined = underlined;
    m_faceName = faceName;
    m_encoding = encoding;

    m_macFontNum = 0 ;
    m_macFontSize = 0;
    m_macFontStyle = 0;
    m_fontId = 0;
    m_noAA = FALSE;
}

wxFontRefData::~wxFontRefData()
{
}

void wxFontRefData::MacFindFont()
{
    if( m_faceName.Length() == 0 )
    {
        switch( m_family )
        {
            case wxDEFAULT :
                m_macFontNum = ::GetAppFont() ;
                break ;
            case wxDECORATIVE :
                ::GetFNum( "\pTimes" , &m_macFontNum) ;
                break ;
            case wxROMAN :
                ::GetFNum( "\pTimes" , &m_macFontNum) ;
                break ;
            case wxSCRIPT :
                ::GetFNum( "\pTimes" , &m_macFontNum) ;
                break ;
            case wxSWISS :
                ::GetFNum( "\pGeneva" , &m_macFontNum) ;
                break ;
            case wxMODERN :
                ::GetFNum( "\pMonaco" , &m_macFontNum) ;
                break ;
        }
        Str255 name ;
        GetFontName( m_macFontNum , name ) ;
        m_faceName = wxMacMakeStringFromPascal( name ) ;
    }
    else
    {
        if ( m_faceName == wxT("systemfont") )
            m_macFontNum = ::GetSysFont() ;
        else if ( m_faceName == wxT("applicationfont") )
            m_macFontNum = ::GetAppFont() ;
        else
        {
            Str255 fontname ;
            wxMacStringToPascal( m_faceName , fontname ) ;
            ::GetFNum( fontname, &m_macFontNum);
        }
    }

    m_macFontStyle = 0;
    if (m_weight == wxBOLD)
         m_macFontStyle |= bold;
    if (m_style == wxITALIC || m_style == wxSLANT) 
        m_macFontStyle |= italic;
    if (m_underlined) 
        m_macFontStyle |= underline;
    m_macFontSize = m_pointSize ;
    
    //TODO:if we supply the style as an additional parameter we must make a testing
    //sequence in order to degrade gracefully while trying to maintain most of the style
    //information, meanwhile we just take the normal font and apply the features after
    OSStatus status = ::ATSUFONDtoFontID(m_macFontNum, normal /*qdStyle*/, (UInt32*)&m_macATSUFontID); 
    /*
    status = ATSUFindFontFromName ( (Ptr) m_faceName , strlen( m_faceName ) ,
        kFontFullName,    kFontMacintoshPlatform, kFontRomanScript , kFontNoLanguage  ,  (UInt32*)&m_macATSUFontID ) ;
    */
    wxASSERT_MSG( status == noErr , wxT("couldn't retrieve font identifier") ) ;
}

// ----------------------------------------------------------------------------
// wxFont
// ----------------------------------------------------------------------------

void wxFont::Init()
{
}

bool wxFont::Create(const wxNativeFontInfo& info)
{
    return Create(info.pointSize, info.family, info.style, info.weight,
                  info.underlined, info.faceName, info.encoding);
}

wxFont::wxFont(const wxString& fontdesc)
{
    wxNativeFontInfo info;
    if ( info.FromString(fontdesc) )
        (void)Create(info);
}

bool wxFont::Create(int pointSize,
                    int family,
                    int style,
                    int weight,
                    bool underlined,
                    const wxString& faceName,
                    wxFontEncoding encoding)
{
    UnRef();
    m_refData = new wxFontRefData(pointSize, family, style, weight,
                                  underlined, faceName, encoding);

    RealizeResource();

    return TRUE;
}

wxFont::~wxFont()
{
}

bool wxFont::RealizeResource()
{
    M_FONTDATA->MacFindFont() ;
    return TRUE;
}

void wxFont::SetEncoding(wxFontEncoding encoding)
{
    Unshare();

    M_FONTDATA->m_encoding = encoding;

    RealizeResource();
}

void wxFont::Unshare()
{
    // Don't change shared data
    if (!m_refData)
    {
        m_refData = new wxFontRefData();
    }
    else
    {
        wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
        UnRef();
        m_refData = ref;
    }
}

void wxFont::SetPointSize(int pointSize)
{
    Unshare();

    M_FONTDATA->m_pointSize = pointSize;

    RealizeResource();
}

void wxFont::SetFamily(int family)
{
    Unshare();

    M_FONTDATA->m_family = family;

    RealizeResource();
}

void wxFont::SetStyle(int style)
{
    Unshare();

    M_FONTDATA->m_style = style;

    RealizeResource();
}

void wxFont::SetWeight(int weight)
{
    Unshare();

    M_FONTDATA->m_weight = weight;

    RealizeResource();
}

void wxFont::SetFaceName(const wxString& faceName)
{
    Unshare();

    M_FONTDATA->m_faceName = faceName;

    RealizeResource();
}

void wxFont::SetUnderlined(bool underlined)
{
    Unshare();

    M_FONTDATA->m_underlined = underlined;

    RealizeResource();
}

void wxFont::SetNoAntiAliasing( bool no )
{
    Unshare();

    M_FONTDATA->SetNoAntiAliasing( no );

    RealizeResource();
}

// ----------------------------------------------------------------------------
// accessors
// ----------------------------------------------------------------------------

int wxFont::GetPointSize() const
{
    return M_FONTDATA->m_pointSize;
}

int wxFont::GetFamily() const
{
    return M_FONTDATA->m_family;
}

int wxFont::GetStyle() const
{
    return M_FONTDATA->m_style;
}

int wxFont::GetWeight() const
{
    return M_FONTDATA->m_weight;
}

bool wxFont::GetUnderlined() const
{
    return M_FONTDATA->m_underlined;
}

wxString wxFont::GetFaceName() const
{
    wxString str;
    if ( M_FONTDATA )
        str = M_FONTDATA->m_faceName ;
    return str;
}

wxFontEncoding wxFont::GetEncoding() const
{
    return M_FONTDATA->m_encoding;
}

bool wxFont::GetNoAntiAliasing()
{
    return M_FONTDATA->m_noAA;
}