/////////////////////////////////////////////////////////////////////////////
-// Name: font.cpp
+// Name: src/msw/font.cpp
// Purpose: wxFont class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Copyright: (c) wxWindows team
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
#include "wx/log.h"
#endif // WX_PRECOMP
+#include "wx/msw/private.h"
+
#include "wx/fontutil.h"
-#include "wx/tokenzr.h"
+#include "wx/fontmap.h"
-#include "wx/msw/private.h"
#include "wx/tokenzr.h"
IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
// constants
// ----------------------------------------------------------------------------
-// the default font size in points
-static const int wxDEFAULT_FONT_SIZE = 12;
+// the mask used to extract the pitch from LOGFONT::lfPitchAndFamily field
+static const int PITCH_MASK = FIXED_PITCH | VARIABLE_PITCH;
// ----------------------------------------------------------------------------
// wxFontRefData - the internal description of the font
class WXDLLEXPORT wxFontRefData: public wxGDIRefData
{
-friend class WXDLLEXPORT wxFont;
-
public:
+ // constructors
wxFontRefData()
{
- Init(wxDEFAULT_FONT_SIZE, wxDEFAULT, wxNORMAL, wxNORMAL, FALSE,
- "", wxFONTENCODING_DEFAULT);
- }
-
- wxFontRefData(const wxFontRefData& data)
- {
- Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight,
- data.m_underlined, data.m_faceName, data.m_encoding);
-
- m_fontId = data.m_fontId;
+ Init(-1, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL,
+ FALSE, _T(""), wxFONTENCODING_DEFAULT);
}
wxFontRefData(int size,
Init(size, family, style, weight, underlined, faceName, encoding);
}
- wxFontRefData(const wxNativeFontInfo& info)
+ wxFontRefData(const wxNativeFontInfo& info, WXHFONT hFont = 0)
+ {
+ Init(info, hFont);
+ }
+
+ wxFontRefData(const wxFontRefData& data)
{
- Init(info);
+ if ( data.m_nativeFontInfoOk )
+ {
+ Init(data.m_nativeFontInfo);
+ }
+ else
+ {
+ Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight,
+ data.m_underlined, data.m_faceName, data.m_encoding);
+ }
}
virtual ~wxFontRefData();
+ // operations
+ bool Alloc(wxFont *font);
+
+ void Free();
+
+ // all wxFont accessors
+ int GetPointSize() const
+ {
+ return m_nativeFontInfoOk ? m_nativeFontInfo.GetPointSize()
+ : m_pointSize;
+ }
+
+ int GetFamily() const
+ {
+ return m_family;
+ }
+
+ int GetStyle() const
+ {
+ return m_nativeFontInfoOk ? m_nativeFontInfo.GetStyle()
+ : m_style;
+ }
+
+ int GetWeight() const
+ {
+ return m_nativeFontInfoOk ? m_nativeFontInfo.GetWeight()
+ : m_weight;
+ }
+
+ bool GetUnderlined() const
+ {
+ return m_nativeFontInfoOk ? m_nativeFontInfo.GetUnderlined()
+ : m_underlined;
+ }
+
+ wxString GetFaceName() const
+ {
+ wxString s;
+ if ( m_nativeFontInfoOk )
+ s = m_nativeFontInfo.GetFaceName();
+ else
+ s = m_faceName;
+
+ return s;
+ }
+
+ wxFontEncoding GetEncoding() const
+ {
+ return m_nativeFontInfoOk ? m_nativeFontInfo.GetEncoding()
+ : m_encoding;
+ }
+
+ WXHFONT GetHFONT() const { return m_hFont; }
+
+ // ... and setters
+ void SetPointSize(int pointSize)
+ {
+ if ( m_nativeFontInfoOk )
+ m_nativeFontInfo.SetPointSize(pointSize);
+ else
+ m_pointSize = pointSize;
+ }
+
+ void SetFamily(int family)
+ {
+ m_family = family;
+ }
+
+ void SetStyle(int style)
+ {
+ if ( m_nativeFontInfoOk )
+ m_nativeFontInfo.SetStyle((wxFontStyle)style);
+ else
+ m_style = style;
+ }
+
+ void SetWeight(int weight)
+ {
+ if ( m_nativeFontInfoOk )
+ m_nativeFontInfo.SetWeight((wxFontWeight)weight);
+ else
+ m_weight = weight;
+ }
+
+ void SetFaceName(const wxString& faceName)
+ {
+ if ( m_nativeFontInfoOk )
+ m_nativeFontInfo.SetFaceName(faceName);
+ else
+ m_faceName = faceName;
+ }
+
+ void SetUnderlined(bool underlined)
+ {
+ if ( m_nativeFontInfoOk )
+ m_nativeFontInfo.SetUnderlined(underlined);
+ else
+ m_underlined = underlined;
+ }
+
+ void SetEncoding(wxFontEncoding encoding)
+ {
+ if ( m_nativeFontInfoOk )
+ m_nativeFontInfo.SetEncoding(encoding);
+ else
+ m_encoding = encoding;
+ }
+
+ // native font info tests
+ bool HasNativeFontInfo() const { return m_nativeFontInfoOk; }
+
+ const wxNativeFontInfo& GetNativeFontInfo() const
+ { return m_nativeFontInfo; }
+
protected:
// common part of all ctors
void Init(int size,
const wxString& faceName,
wxFontEncoding encoding);
- void Init(const wxNativeFontInfo& info);
-
- // If TRUE, the pointer to the actual font is temporary and SHOULD NOT BE
- // DELETED by destructor
- bool m_temporary;
-
- int m_fontId;
+ void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
// font characterstics
int m_pointSize;
wxFontEncoding encoding)
{
m_style = style;
- m_pointSize = pointSize;
+ m_pointSize = pointSize == -1 ? wxNORMAL_FONT->GetPointSize() : pointSize;
m_family = family;
m_style = style;
m_weight = weight;
m_faceName = faceName;
m_encoding = encoding;
- m_fontId = 0;
- m_temporary = FALSE;
-
m_hFont = 0;
m_nativeFontInfoOk = FALSE;
}
-void wxFontRefData::Init(const wxNativeFontInfo& info)
+void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
{
- // extract family from pitch-and-family
- int lfFamily = info.lf.lfPitchAndFamily;
- if ( lfFamily & FIXED_PITCH )
- lfFamily -= FIXED_PITCH;
- if ( lfFamily & VARIABLE_PITCH )
- lfFamily -= VARIABLE_PITCH;
+ // hFont may be zero, or it be passed in case we really want to
+ // use the exact font created in the underlying system
+ // (for example where we can't guarantee conversion from HFONT
+ // to LOGFONT back to HFONT)
+ m_hFont = hFont;
- switch ( lfFamily )
+ m_nativeFontInfoOk = TRUE;
+ m_nativeFontInfo = info;
+}
+
+wxFontRefData::~wxFontRefData()
+{
+ Free();
+}
+
+bool wxFontRefData::Alloc(wxFont *font)
+{
+ if ( !m_nativeFontInfoOk )
+ {
+ wxFillLogFont(&m_nativeFontInfo.lf, font);
+ m_nativeFontInfoOk = TRUE;
+ }
+
+ HFONT hfont = ::CreateFontIndirect(&m_nativeFontInfo.lf);
+ if ( !hfont )
+ {
+ wxLogLastError(wxT("CreateFont"));
+
+ return FALSE;
+ }
+
+ m_hFont = (WXHFONT)hfont;
+
+ return TRUE;
+}
+
+void wxFontRefData::Free()
+{
+ if ( m_hFont )
+ {
+ if ( !::DeleteObject((HFONT) m_hFont) )
+ {
+ wxLogLastError(wxT("DeleteObject(font)"));
+ }
+
+ m_hFont = 0;
+ }
+}
+
+// ----------------------------------------------------------------------------
+// wxNativeFontInfo
+// ----------------------------------------------------------------------------
+
+void wxNativeFontInfo::Init()
+{
+ wxZeroMemory(lf);
+}
+
+int wxNativeFontInfo::GetPointSize() const
+{
+ // FIXME: using the screen here results in incorrect font size calculation
+ // for printing!
+ const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
+
+ return (int) (((72.0*(double)abs(lf.lfHeight)) / (double) ppInch) + 0.5);
+}
+
+wxFontStyle wxNativeFontInfo::GetStyle() const
+{
+ return lf.lfItalic ? wxFONTSTYLE_ITALIC : wxFONTSTYLE_NORMAL;
+}
+
+wxFontWeight wxNativeFontInfo::GetWeight() const
+{
+ if ( lf.lfWeight <= 300 )
+ return wxFONTWEIGHT_LIGHT;
+
+ if ( lf.lfWeight >= 600 )
+ return wxFONTWEIGHT_BOLD;
+
+ return wxFONTWEIGHT_NORMAL;
+}
+
+bool wxNativeFontInfo::GetUnderlined() const
+{
+ return lf.lfUnderline != 0;
+}
+
+wxString wxNativeFontInfo::GetFaceName() const
+{
+ return lf.lfFaceName;
+}
+
+wxFontFamily wxNativeFontInfo::GetFamily() const
+{
+ wxFontFamily family;
+
+ // extract family from pitch-and-family
+ switch ( lf.lfPitchAndFamily & ~PITCH_MASK )
{
case FF_ROMAN:
- m_family = wxROMAN;
+ family = wxFONTFAMILY_ROMAN;
break;
+ default:
+ wxFAIL_MSG( _T("unknown LOGFONT::lfFamily value") );
+ // fall through
+
case FF_SWISS:
- m_family = wxSWISS;
+ family = wxFONTFAMILY_SWISS;
break;
case FF_SCRIPT:
- m_family = wxSCRIPT;
+ family = wxFONTFAMILY_SCRIPT;
break;
case FF_MODERN:
- m_family = wxMODERN;
+ family = wxFONTFAMILY_MODERN;
break;
case FF_DECORATIVE:
- m_family = wxDECORATIVE;
+ family = wxFONTFAMILY_DECORATIVE;
break;
+ }
+ return family;
+}
+
+wxFontEncoding wxNativeFontInfo::GetEncoding() const
+{
+ return wxGetFontEncFromCharSet(lf.lfCharSet);
+}
+
+void wxNativeFontInfo::SetPointSize(int pointsize)
+{
+#if wxFONT_SIZE_COMPATIBILITY
+ // Incorrect, but compatible with old wxWindows behaviour
+ lf.lfHeight = (pointSize*ppInch)/72;
+#else // wxFONT_SIZE_COMPATIBILITY
+ // FIXME: using the screen here results in incorrect font size calculation
+ // for printing!
+ const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
+
+ lf.lfHeight = -(int)((pointsize*((double)ppInch)/72.0) + 0.5);
+#endif // wxFONT_SIZE_COMPATIBILITY/!wxFONT_SIZE_COMPATIBILITY
+}
+
+void wxNativeFontInfo::SetStyle(wxFontStyle style)
+{
+ switch ( style )
+ {
default:
- m_family = wxSWISS;
+ wxFAIL_MSG( _T("unknown font style") );
+ // fall through
+
+ case wxFONTSTYLE_NORMAL:
+ break;
+
+ case wxFONTSTYLE_ITALIC:
+ case wxFONTSTYLE_SLANT:
+ lf.lfItalic = TRUE;
+ break;
}
+}
- // weight and style
- switch ( info.lf.lfWeight )
+void wxNativeFontInfo::SetWeight(wxFontWeight weight)
+{
+ switch ( weight )
{
- case FW_LIGHT:
- m_weight = wxLIGHT;
+ default:
+ wxFAIL_MSG( _T("unknown font weight") );
+ // fall through
+
+ case wxFONTWEIGHT_NORMAL:
+ lf.lfWeight = FW_NORMAL;
break;
- default:
- case FW_NORMAL:
- m_weight = wxNORMAL;
+ case wxFONTWEIGHT_LIGHT:
+ lf.lfWeight = FW_LIGHT;
break;
- case FW_BOLD:
- m_weight = wxBOLD;
+ case wxFONTWEIGHT_BOLD:
+ lf.lfWeight = FW_BOLD;
break;
}
+}
- m_style = info.lf.lfItalic ? wxITALIC : wxNORMAL;
+void wxNativeFontInfo::SetUnderlined(bool underlined)
+{
+ lf.lfUnderline = underlined;
+}
- m_underlined = info.lf.lfUnderline != 0;
+void wxNativeFontInfo::SetFaceName(wxString facename)
+{
+ wxStrncpy(lf.lfFaceName, facename, WXSIZEOF(lf.lfFaceName));
+}
- m_faceName = info.lf.lfFaceName;
+void wxNativeFontInfo::SetFamily(wxFontFamily family)
+{
+ int ff_family;
+ wxString facename;
- int height = abs(info.lf.lfHeight);
+ switch ( family )
+ {
+ case wxSCRIPT:
+ ff_family = FF_SCRIPT;
+ facename = _T("Script");
+ break;
- // remember that 1pt = 1/72inch
- const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
- m_pointSize = (int) (((72.0*((double)height))/(double) ppInch) + 0.5);
+ case wxDECORATIVE:
+ ff_family = FF_DECORATIVE;
+ facename = _T("Old English Text MT");
+ break;
- m_encoding = wxGetFontEncFromCharSet(info.lf.lfCharSet);
+ case wxROMAN:
+ ff_family = FF_ROMAN;
+ facename = _T("Times New Roman");
+ break;
- m_fontId = 0;
- m_temporary = FALSE;
+ case wxTELETYPE:
+ case wxMODERN:
+ ff_family = FF_MODERN;
+ facename = _T("Courier New");
+ break;
- m_hFont = 0;
+ case wxSWISS:
+ ff_family = FF_SWISS;
+ facename = _T("Arial");
+ break;
- m_nativeFontInfoOk = TRUE;
- m_nativeFontInfo = info;
+ case wxDEFAULT:
+ default:
+ ff_family = FF_SWISS;
+ facename = _T("MS Sans Serif");
+ }
+
+ lf.lfPitchAndFamily = DEFAULT_PITCH | ff_family;
+
+ if ( !wxStrlen(lf.lfFaceName) )
+ {
+ SetFaceName(facename);
+ }
}
-wxFontRefData::~wxFontRefData()
+void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
{
- if ( m_hFont )
+ wxNativeEncodingInfo info;
+ if ( !wxGetNativeFontEncoding(encoding, &info) )
{
- if ( !::DeleteObject((HFONT) m_hFont) )
+#if wxUSE_FONTMAP
+ if ( wxTheFontMapper->GetAltForEncoding(encoding, &info) )
{
- wxLogLastError(wxT("DeleteObject(font)"));
+ if ( !info.facename.empty() )
+ {
+ // if we have this encoding only in some particular facename, use
+ // the facename - it is better to show the correct characters in a
+ // wrong facename than unreadable text in a correct one
+ SetFaceName(info.facename);
+ }
+ }
+ else
+#endif // wxUSE_FONTMAP
+ {
+ // unsupported encoding, replace with the default
+ info.charset = DEFAULT_CHARSET;
}
}
-}
-
-// ----------------------------------------------------------------------------
-// wxNativeFontInfo
-// ----------------------------------------------------------------------------
+ lf.lfCharSet = info.charset;
+}
bool wxNativeFontInfo::FromString(const wxString& s)
{
wxStringTokenizer tokenizer(s, _T(";"));
+ // first the version
wxString token = tokenizer.GetNextToken();
- //
- // Ignore the version for now
- //
+ if ( token != _T('0') )
+ return FALSE;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
void wxFont::Init()
{
- if ( wxTheFontList )
- wxTheFontList->Append(this);
}
-bool wxFont::Create(const wxNativeFontInfo& info)
+bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
{
UnRef();
- m_refData = new wxFontRefData(info);
+ m_refData = new wxFontRefData(info, hFont);
RealizeResource();
// wxDEFAULT is a valid value for the font size too so we must treat it
// specially here (otherwise the size would be 70 == wxDEFAULT value)
if ( pointSize == wxDEFAULT )
- pointSize = wxDEFAULT_FONT_SIZE;
+ {
+ pointSize = wxNORMAL_FONT->GetPointSize();
+ }
m_refData = new wxFontRefData(pointSize, family, style, weight,
underlined, faceName, encoding);
wxFont::~wxFont()
{
- if ( wxTheFontList )
- wxTheFontList->DeleteObject(this);
}
// ----------------------------------------------------------------------------
return TRUE;
}
- if(!M_FONTDATA->m_nativeFontInfoOk)
- {
- wxFillLogFont(&M_FONTDATA->m_nativeFontInfo.lf, this);
- M_FONTDATA->m_nativeFontInfoOk = TRUE;
- }
-
- M_FONTDATA->m_hFont = (WXHFONT)::CreateFontIndirect(&M_FONTDATA->m_nativeFontInfo.lf);
- M_FONTDATA->m_faceName = M_FONTDATA->m_nativeFontInfo.lf.lfFaceName;
- if ( !M_FONTDATA->m_hFont )
- {
- wxLogLastError(wxT("CreateFont"));
-
- return FALSE;
- }
-
- return TRUE;
+ return M_FONTDATA->Alloc(this);
}
bool wxFont::FreeResource(bool WXUNUSED(force))
{
if ( GetResourceHandle() )
{
- if ( !::DeleteObject((HFONT) M_FONTDATA->m_hFont) )
- {
- wxLogLastError(wxT("DeleteObject(font)"));
- }
-
- M_FONTDATA->m_hFont = 0;
+ M_FONTDATA->Free();
return TRUE;
}
+
return FALSE;
}
WXHFONT wxFont::GetHFONT() const
{
- if ( !M_FONTDATA )
- return 0;
- else
- return (WXHANDLE)M_FONTDATA->m_hFont;
+ return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0;
}
bool wxFont::IsFree() const
{
- return (M_FONTDATA && (M_FONTDATA->m_hFont == 0));
+ return M_FONTDATA && (M_FONTDATA->GetHFONT() == 0);
}
void wxFont::Unshare()
{
Unshare();
- M_FONTDATA->m_pointSize = pointSize;
- M_FONTDATA->m_nativeFontInfoOk = FALSE;
+ M_FONTDATA->SetPointSize(pointSize);
RealizeResource();
}
{
Unshare();
- M_FONTDATA->m_family = family;
- M_FONTDATA->m_nativeFontInfoOk = FALSE;
+ M_FONTDATA->SetFamily(family);
RealizeResource();
}
{
Unshare();
- M_FONTDATA->m_style = style;
- M_FONTDATA->m_nativeFontInfoOk = FALSE;
+ M_FONTDATA->SetStyle(style);
RealizeResource();
}
{
Unshare();
- M_FONTDATA->m_weight = weight;
- M_FONTDATA->m_nativeFontInfoOk = FALSE;
+ M_FONTDATA->SetWeight(weight);
RealizeResource();
}
{
Unshare();
- M_FONTDATA->m_faceName = faceName;
- M_FONTDATA->m_nativeFontInfoOk = FALSE;
+ M_FONTDATA->SetFaceName(faceName);
RealizeResource();
}
{
Unshare();
- M_FONTDATA->m_underlined = underlined;
- M_FONTDATA->m_nativeFontInfoOk = FALSE;
+ M_FONTDATA->SetUnderlined(underlined);
RealizeResource();
}
{
Unshare();
- M_FONTDATA->m_encoding = encoding;
- M_FONTDATA->m_nativeFontInfoOk = FALSE;
+ M_FONTDATA->SetEncoding(encoding);
RealizeResource();
}
FreeResource();
- M_FONTDATA->Init(info);
+ *M_FONTDATA = wxFontRefData(info);
RealizeResource();
}
{
wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
- return M_FONTDATA->m_pointSize;
+ return M_FONTDATA->GetPointSize();
}
int wxFont::GetFamily() const
{
wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
- return M_FONTDATA->m_family;
-}
-
-int wxFont::GetFontId() const
-{
- wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
-
- return M_FONTDATA->m_fontId;
+ return M_FONTDATA->GetFamily();
}
int wxFont::GetStyle() const
{
wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
- return M_FONTDATA->m_style;
+ return M_FONTDATA->GetStyle();
}
int wxFont::GetWeight() const
{
wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
- return M_FONTDATA->m_weight;
+ return M_FONTDATA->GetWeight();
}
bool wxFont::GetUnderlined() const
{
wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
- return M_FONTDATA->m_underlined;
+ return M_FONTDATA->GetUnderlined();
}
wxString wxFont::GetFaceName() const
{
wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );
- return M_FONTDATA->m_faceName;
+ return M_FONTDATA->GetFaceName();
}
wxFontEncoding wxFont::GetEncoding() const
{
wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
- return M_FONTDATA->m_encoding;
+ return M_FONTDATA->GetEncoding();
}
wxNativeFontInfo *wxFont::GetNativeFontInfo() const
{
- if( M_FONTDATA->m_nativeFontInfoOk )
- return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo);
+ if ( M_FONTDATA->HasNativeFontInfo() )
+ return new wxNativeFontInfo(M_FONTDATA->GetNativeFontInfo());
return 0;
}
+bool wxFont::IsFixedWidth() const
+{
+ if ( M_FONTDATA->HasNativeFontInfo() )
+ {
+ // the two low-order bits specify the pitch of the font, the rest is
+ // family
+ BYTE pitch = M_FONTDATA->GetNativeFontInfo().
+ lf.lfPitchAndFamily & PITCH_MASK;
+
+ return pitch == FIXED_PITCH;
+ }
+
+ return wxFontBase::IsFixedWidth();
+}
+
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