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font.cpp
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font.cpp
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/////////////////////////////////////////////////////////////////////////////
// Name: src/mac/carbon/font.cpp
// Purpose: wxFont class
// Author: Stefan Csomor
// Modified by:
// Created: 1998-01-01
// RCS-ID: $Id$
// Copyright: (c) Stefan Csomor
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/wxprec.h"
#include "wx/font.h"
#ifndef WX_PRECOMP
#include "wx/string.h"
#include "wx/utils.h"
#include "wx/intl.h"
#include "wx/gdicmn.h"
#endif
#include "wx/fontutil.h"
#include "wx/graphics.h"
#include "wx/log.h"
#include "wx/settings.h"
#include "wx/mac/private.h"
#ifndef __DARWIN__
#include <ATSUnicode.h>
#endif
IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
class WXDLLEXPORT wxFontRefData: public wxGDIRefData
{
friend class WXDLLEXPORT wxFont;
public:
wxFontRefData()
: m_fontId(0)
, m_pointSize(10)
, m_family(wxDEFAULT)
, m_style(wxNORMAL)
, m_weight(wxNORMAL)
, m_underlined(false)
, m_faceName(wxT("applicationfont"))
, m_encoding(wxFONTENCODING_DEFAULT)
#ifdef __LP64__
#else
, m_macFontFamily(0)
, m_macFontSize(0)
, m_macFontStyle(0)
, m_macATSUFontID(0)
#endif
, m_macATSUStyle(0)
{
Init(m_pointSize, m_family, m_style, m_weight,
m_underlined, m_faceName, m_encoding);
}
wxFontRefData(const wxFontRefData& data)
: wxGDIRefData()
, m_fontId(data.m_fontId)
, m_pointSize(data.m_pointSize)
, m_family(data.m_family)
, m_style(data.m_style)
, m_weight(data.m_weight)
, m_underlined(data.m_underlined)
, m_faceName(data.m_faceName)
, m_encoding(data.m_encoding)
#ifdef __LP64__
#else
, m_macFontFamily(data.m_macFontFamily)
, m_macFontSize(data.m_macFontSize)
, m_macFontStyle(data.m_macFontStyle)
, m_macATSUFontID(data.m_macATSUFontID)
#endif
, m_macATSUStyle(0)
{
Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight,
data.m_underlined, data.m_faceName, data.m_encoding);
}
wxFontRefData(int size,
int family,
int style,
int weight,
bool underlined,
const wxString& faceName,
wxFontEncoding encoding)
: m_fontId(0)
, m_pointSize(size)
, m_family(family)
, m_style(style)
, m_weight(weight)
, m_underlined(underlined)
, m_faceName(faceName)
, m_encoding(encoding)
#ifdef __LP64__
#else
, m_macFontFamily(0)
, m_macFontSize(0)
, m_macFontStyle(0)
, m_macATSUFontID(0)
#endif
, m_macATSUStyle(0)
{
Init(size, family, style, weight, underlined, faceName, encoding);
}
virtual ~wxFontRefData();
void SetNoAntiAliasing( bool no = true )
{ m_noAA = no; }
bool GetNoAntiAliasing() const
{ return m_noAA; }
void MacFindFont();
protected:
// common part of all ctors
void Init(int size,
int family,
int style,
int weight,
bool underlined,
const wxString& faceName,
wxFontEncoding encoding);
// font characterstics
int m_fontId;
int m_pointSize;
int m_family;
int m_style;
int m_weight;
bool m_underlined;
wxString m_faceName;
wxFontEncoding m_encoding;
bool m_noAA; // No anti-aliasing
public:
#ifndef __LP64__
FMFontFamily m_macFontFamily;
FMFontSize m_macFontSize;
FMFontStyle m_macFontStyle;
// ATSU Font Information
// this is split into an ATSU font id that may
// contain some styles (special bold fonts etc) and
// these are the additional qd styles that are not
// included in the ATSU font id
ATSUFontID m_macATSUFontID;
FMFontStyle m_macATSUAdditionalQDStyles ;
// for true themeing support we must store the correct font
// information here, as this speeds up and optimizes rendering
ThemeFontID m_macThemeFontID ;
#else
CTFontRef m_macFontRef;
CTFontUIFontType m_macUIFontType;
#endif
ATSUStyle m_macATSUStyle ;
wxNativeFontInfo m_info;
};
#define M_FONTDATA ((wxFontRefData*)m_refData)
// ============================================================================
// 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 == -1) ? wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT).GetPointSize() : pointSize;
m_family = family;
m_style = style;
m_weight = weight;
m_underlined = underlined;
m_faceName = faceName;
if ( encoding == wxFONTENCODING_DEFAULT )
m_encoding = wxFont::GetDefaultEncoding();
else
m_encoding = encoding;
#ifdef __LP64__
m_macUIFontType = kCTFontNoFontType;
m_macFontRef = 0;
#else
m_macFontFamily = 0 ;
m_macFontSize = 0;
m_macFontStyle = 0;
m_macATSUFontID = 0;
m_macATSUAdditionalQDStyles = 0 ;
m_macThemeFontID = kThemeCurrentPortFont ;
#endif
m_macATSUStyle = NULL ;
m_noAA = false;
}
wxFontRefData::~wxFontRefData()
{
if ( m_macATSUStyle )
{
::ATSUDisposeStyle((ATSUStyle)m_macATSUStyle);
m_macATSUStyle = NULL ;
}
}
void wxFontRefData::MacFindFont()
{
OSStatus status = noErr;
Str255 qdFontName ;
wxCHECK_RET( m_pointSize > 0, wxT("Point size should not be zero.") );
#ifdef __LP64__
if ( m_faceName.empty() && m_family == wxDEFAULT )
{
m_macUIFontType = kCTFontSystemFontType;
}
if ( m_macUIFontType != kCTFontNoFontType )
{
m_macFontRef = CTFontCreateUIFontForLanguage( m_macUIFontType, 0.0, NULL );
wxMacCFStringHolder name( CTFontCopyFamilyName( m_macFontRef ) );
m_faceName = name.AsString();
}
else
{
if ( m_faceName.empty() )
{
switch ( m_family )
{
case wxSCRIPT :
case wxROMAN :
case wxDECORATIVE :
m_faceName = wxT("Times");
break ;
case wxSWISS :
m_faceName = wxT("Lucida Grande");
break ;
case wxMODERN :
case wxTELETYPE:
m_faceName = wxT("Monaco");
break ;
default:
m_faceName = wxT("Times");
break ;
}
}
wxMacCFStringHolder cf( m_faceName, wxLocale::GetSystemEncoding() );
m_macFontRef = CTFontCreateWithName( cf, m_pointSize, NULL);
}
if ( m_macATSUStyle )
{
::ATSUDisposeStyle((ATSUStyle)m_macATSUStyle);
m_macATSUStyle = NULL ;
}
status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUStyle);
wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") );
ATSUAttributeTag atsuTags[] =
{
kATSUSizeTag ,
kATSUVerticalCharacterTag,
kATSUQDBoldfaceTag ,
kATSUQDItalicTag ,
kATSUQDUnderlineTag ,
kATSUQDCondensedTag ,
kATSUQDExtendedTag ,
kATSUFontTag ,
};
ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
{
sizeof( Fixed ) ,
sizeof( ATSUVerticalCharacterType),
sizeof( Boolean ) ,
sizeof( Boolean ) ,
sizeof( Boolean ) ,
sizeof( Boolean ) ,
sizeof( Boolean ) ,
sizeof( ATSUFontID ) ,
};
Boolean kTrue = true ;
Boolean kFalse = false ;
Fixed atsuSize = IntToFixed( m_pointSize );
short m_macATSUAdditionalQDStyles = 0;
ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
ATSUFontID atsuFontID = 0;
int attributeCount = sizeof(atsuTags) / sizeof(ATSUAttributeTag) ;
// attempt to add atsu font
status = ATSUFindFontFromName(m_faceName.c_str(), strlen(m_faceName.c_str()), kFontFamilyName, kFontNoPlatform, kFontNoScript, kFontNoLanguage, &atsuFontID);
if ( status != noErr )
{
attributeCount--;
}
ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
{
&atsuSize ,
&kHorizontal,
(m_macATSUAdditionalQDStyles & bold) ? &kTrue : &kFalse ,
(m_macATSUAdditionalQDStyles & italic) ? &kTrue : &kFalse ,
(m_macATSUAdditionalQDStyles & underline) ? &kTrue : &kFalse ,
(m_macATSUAdditionalQDStyles & condense) ? &kTrue : &kFalse ,
(m_macATSUAdditionalQDStyles & extend) ? &kTrue : &kFalse ,
&atsuFontID ,
};
status = ::ATSUSetAttributes( (ATSUStyle)m_macATSUStyle, attributeCount, atsuTags, atsuSizes, atsuValues);
wxASSERT_MSG( status == noErr , wxString::Format(wxT("couldn't modify ATSU style. Status was %d"), (int) status).c_str() );
#else
if ( m_macThemeFontID != kThemeCurrentPortFont )
{
Style style ;
GetThemeFont( m_macThemeFontID, GetApplicationScript(), qdFontName, &m_macFontSize, &style );
m_macFontStyle = style ;
m_faceName = wxMacMakeStringFromPascal( qdFontName );
if ( m_macFontStyle & bold )
m_weight = wxBOLD ;
else
m_weight = wxNORMAL ;
if ( m_macFontStyle & italic )
m_style = wxITALIC ;
if ( m_macFontStyle & underline )
m_underlined = true ;
m_pointSize = m_macFontSize ;
m_macFontFamily = FMGetFontFamilyFromName( qdFontName );
}
else
{
if ( m_faceName.empty() )
{
if ( m_family == wxDEFAULT )
{
m_macFontFamily = GetAppFont();
FMGetFontFamilyName(m_macFontFamily,qdFontName);
m_faceName = wxMacMakeStringFromPascal( qdFontName );
}
else
{
switch ( m_family )
{
case wxSCRIPT :
case wxROMAN :
case wxDECORATIVE :
m_faceName = wxT("Times");
break ;
case wxSWISS :
m_faceName = wxT("Lucida Grande");
break ;
case wxMODERN :
case wxTELETYPE:
m_faceName = wxT("Monaco");
break ;
default:
m_faceName = wxT("Times");
break ;
}
wxMacStringToPascal( m_faceName , qdFontName );
m_macFontFamily = FMGetFontFamilyFromName( qdFontName );
if ( m_macFontFamily == kInvalidFontFamily )
{
wxLogDebug( wxT("ATSFontFamilyFindFromName failed for %s"), m_faceName.c_str() );
m_macFontFamily = GetAppFont();
}
}
}
else
{
if ( m_faceName == wxT("systemfont") )
m_macFontFamily = GetSysFont();
else if ( m_faceName == wxT("applicationfont") )
m_macFontFamily = GetAppFont();
else
{
wxMacCFStringHolder cf( m_faceName, wxLocale::GetSystemEncoding() );
ATSFontFamilyRef atsfamily = ATSFontFamilyFindFromName( cf , kATSOptionFlagsDefault );
if ( atsfamily == (ATSFontFamilyRef) -1 )
{
wxLogDebug( wxT("ATSFontFamilyFindFromName failed for %s"), m_faceName.c_str() );
m_macFontFamily = GetAppFont();
}
else
m_macFontFamily = FMGetFontFamilyFromATSFontFamilyRef( atsfamily );
}
}
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 ;
}
// we try to get as much styles as possible into ATSU
// ATSUFontID and FMFont are equivalent
FMFontStyle intrinsicStyle = 0 ;
status = FMGetFontFromFontFamilyInstance( m_macFontFamily , m_macFontStyle , &m_macATSUFontID , &intrinsicStyle);
wxASSERT_MSG( status == noErr , wxT("couldn't get an ATSUFont from font family") );
m_macATSUAdditionalQDStyles = m_macFontStyle & (~intrinsicStyle );
if ( m_macATSUStyle )
{
::ATSUDisposeStyle((ATSUStyle)m_macATSUStyle);
m_macATSUStyle = NULL ;
}
status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUStyle);
wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") );
ATSUAttributeTag atsuTags[] =
{
kATSUFontTag ,
kATSUSizeTag ,
kATSUVerticalCharacterTag,
kATSUQDBoldfaceTag ,
kATSUQDItalicTag ,
kATSUQDUnderlineTag ,
kATSUQDCondensedTag ,
kATSUQDExtendedTag ,
};
ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
{
sizeof( ATSUFontID ) ,
sizeof( Fixed ) ,
sizeof( ATSUVerticalCharacterType),
sizeof( Boolean ) ,
sizeof( Boolean ) ,
sizeof( Boolean ) ,
sizeof( Boolean ) ,
sizeof( Boolean ) ,
};
Boolean kTrue = true ;
Boolean kFalse = false ;
Fixed atsuSize = IntToFixed( m_macFontSize );
ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
{
&m_macATSUFontID ,
&atsuSize ,
&kHorizontal,
(m_macATSUAdditionalQDStyles & bold) ? &kTrue : &kFalse ,
(m_macATSUAdditionalQDStyles & italic) ? &kTrue : &kFalse ,
(m_macATSUAdditionalQDStyles & underline) ? &kTrue : &kFalse ,
(m_macATSUAdditionalQDStyles & condense) ? &kTrue : &kFalse ,
(m_macATSUAdditionalQDStyles & extend) ? &kTrue : &kFalse ,
};
status = ::ATSUSetAttributes(
(ATSUStyle)m_macATSUStyle,
sizeof(atsuTags) / sizeof(ATSUAttributeTag) ,
atsuTags, atsuSizes, atsuValues);
wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") );
#endif
}
// ----------------------------------------------------------------------------
// wxFont
// ----------------------------------------------------------------------------
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;
}
#ifdef __LP64__
bool wxFont::MacCreateUIFont(wxUint32 ctFontType )
{
UnRef();
m_refData = new wxFontRefData(
12, wxDEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL,
false, wxEmptyString, wxFONTENCODING_DEFAULT );
M_FONTDATA->m_macUIFontType = ctFontType ;
RealizeResource();
return true;
}
#endif
bool wxFont::MacCreateThemeFont(wxUint16 themeFontID)
{
#ifdef __LP64__
return MacCreateUIFont(HIThemeGetUIFontType(themeFontID));
#else
UnRef();
m_refData = new wxFontRefData(
12, wxDEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL,
false, wxEmptyString, wxFONTENCODING_DEFAULT );
M_FONTDATA->m_macThemeFontID = themeFontID ;
RealizeResource();
return true;
#endif
}
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();
}
bool wxFont::SetFaceName(const wxString& faceName)
{
Unshare();
M_FONTDATA->m_faceName = faceName;
RealizeResource();
return wxFontBase::SetFaceName(faceName);
}
void wxFont::SetUnderlined(bool underlined)
{
Unshare();
M_FONTDATA->m_underlined = underlined;
RealizeResource();
}
void wxFont::SetNoAntiAliasing( bool no )
{
Unshare();
M_FONTDATA->SetNoAntiAliasing( no );
RealizeResource();
}
// ----------------------------------------------------------------------------
// accessors
// ----------------------------------------------------------------------------
// TODO: insert checks everywhere for M_FONTDATA == NULL!
int wxFont::GetPointSize() const
{
wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
return M_FONTDATA->m_pointSize;
}
wxSize wxFont::GetPixelSize() const
{
#if wxUSE_GRAPHICS_CONTEXT
// TODO: consider caching the value
wxGraphicsContext* dc = wxGraphicsContext::CreateFromNative((CGContextRef) NULL);
dc->SetFont(*(wxFont *)this,*wxBLACK);
wxDouble width, height = 0;
dc->GetTextExtent( wxT("g"), &width, &height, NULL, NULL);
delete dc;
return wxSize((int)width, (int)height);
#else
return wxFontBase::GetPixelSize();
#endif
}
int wxFont::GetFamily() const
{
wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
return M_FONTDATA->m_family;
}
int wxFont::GetStyle() const
{
wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
return M_FONTDATA->m_style;
}
int wxFont::GetWeight() const
{
wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
return M_FONTDATA->m_weight;
}
bool wxFont::GetUnderlined() const
{
wxCHECK_MSG( M_FONTDATA != NULL , false, wxT("invalid font") );
return M_FONTDATA->m_underlined;
}
wxString wxFont::GetFaceName() const
{
wxCHECK_MSG( M_FONTDATA != NULL , wxEmptyString , wxT("invalid font") );
return M_FONTDATA->m_faceName;
}
wxFontEncoding wxFont::GetEncoding() const
{
wxCHECK_MSG( M_FONTDATA != NULL , wxFONTENCODING_DEFAULT , wxT("invalid font") );
return M_FONTDATA->m_encoding;
}
bool wxFont::GetNoAntiAliasing() const
{
wxCHECK_MSG( M_FONTDATA != NULL , false, wxT("invalid font") );
return M_FONTDATA->m_noAA;
}
#ifndef __LP64__
short wxFont::MacGetFontNum() const
{
wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
return M_FONTDATA->m_macFontFamily;
}
short wxFont::MacGetFontSize() const
{
wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
return M_FONTDATA->m_macFontSize;
}
wxByte wxFont::MacGetFontStyle() const
{
wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
return M_FONTDATA->m_macFontStyle;
}
wxUint32 wxFont::MacGetATSUFontID() const
{
wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
return M_FONTDATA->m_macATSUFontID;
}
void * wxFont::MacGetATSUStyle() const
{
wxCHECK_MSG( M_FONTDATA != NULL , NULL, wxT("invalid font") );
return M_FONTDATA->m_macATSUStyle;
}
wxUint32 wxFont::MacGetATSUAdditionalQDStyles() const
{
wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
return M_FONTDATA->m_macATSUAdditionalQDStyles;
}
wxUint16 wxFont::MacGetThemeFontID() const
{
wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
return M_FONTDATA->m_macThemeFontID;
}
#else
const void * wxFont::MacGetCTFont() const
{
wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
return M_FONTDATA->m_macFontRef;
}
// to be removed
void * wxFont::MacGetATSUStyle() const
{
wxCHECK_MSG( M_FONTDATA != NULL , NULL, wxT("invalid font") );
return M_FONTDATA->m_macATSUStyle;
}
#endif
const wxNativeFontInfo * wxFont::GetNativeFontInfo() const
{
wxCHECK_MSG( M_FONTDATA != NULL , NULL, wxT("invalid font") );
wxCHECK_MSG( Ok(), NULL, wxT("invalid font") );
M_FONTDATA->m_info.InitFromFont(*this);
return &(M_FONTDATA->m_info);
}