/////////////////////////////////////////////////////////////////////////////
-// 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) wxWidgets team
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "font.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#include "wx/font.h"
+
#ifndef WX_PRECOMP
- #include <stdio.h>
- #include "wx/setup.h"
#include "wx/list.h"
#include "wx/utils.h"
#include "wx/app.h"
- #include "wx/font.h"
+ #include "wx/log.h"
+ #include "wx/msw/private.h"
#endif // WX_PRECOMP
-#include "wx/msw/private.h"
+#include "wx/encinfo.h"
+#include "wx/fontutil.h"
+#include "wx/fontmap.h"
-#if !USE_SHARED_LIBRARIES
- IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
-
- #if wxUSE_PORTABLE_FONTS_IN_MSW
- IMPLEMENT_DYNAMIC_CLASS(wxFontNameDirectory, wxObject)
- #endif
+#ifndef __WXWINCE__
+ #include "wx/sysopt.h"
#endif
+#include "wx/scopeguard.h"
+#include "wx/tokenzr.h"
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// 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(12, 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, wxSize(0,0), false, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL,
+ wxFONTWEIGHT_NORMAL, false, wxEmptyString,
+ wxFONTENCODING_DEFAULT);
}
wxFontRefData(int size,
- int family,
- int style,
- int weight,
+ const wxSize& pixelSize,
+ bool sizeUsingPixels,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight weight,
bool underlined,
const wxString& faceName,
wxFontEncoding encoding)
{
- Init(size, family, style, weight, underlined, faceName, encoding);
+ Init(size, pixelSize, sizeUsingPixels, family, style, weight,
+ underlined, faceName, encoding);
+ }
+
+ wxFontRefData(const wxNativeFontInfo& info, WXHFONT hFont = 0)
+ {
+ Init(info, hFont);
+ }
+
+ wxFontRefData(const wxFontRefData& data) : wxGDIRefData()
+ {
+ Init(data.m_nativeFontInfo);
}
virtual ~wxFontRefData();
+ // operations
+ bool Alloc();
+
+ void Free();
+
+ // all wxFont accessors
+ int GetPointSize() const
+ {
+ return m_nativeFontInfo.GetPointSize();
+ }
+
+ wxSize GetPixelSize() const
+ {
+ return m_nativeFontInfo.GetPixelSize();
+ }
+
+ bool IsUsingSizeInPixels() const
+ {
+ return m_sizeUsingPixels;
+ }
+
+ wxFontFamily GetFamily() const
+ {
+ return m_nativeFontInfo.GetFamily();
+ }
+
+ wxFontStyle GetStyle() const
+ {
+ return m_nativeFontInfo.GetStyle();
+ }
+
+ wxFontWeight GetWeight() const
+ {
+ return m_nativeFontInfo.GetWeight();
+ }
+
+ bool GetUnderlined() const
+ {
+ return m_nativeFontInfo.GetUnderlined();
+ }
+
+ wxString GetFaceName() const
+ {
+ wxString facename = m_nativeFontInfo.GetFaceName();
+ if ( facename.empty() )
+ {
+ facename = GetMSWFaceName();
+ if ( !facename.empty() )
+ {
+ // cache the face name, it shouldn't change unless the family
+ // does and wxNativeFontInfo::SetFamily() resets the face name
+ const_cast<wxFontRefData *>(this)->SetFaceName(facename);
+ }
+ }
+
+ return facename;
+ }
+
+ wxFontEncoding GetEncoding() const
+ {
+ return m_nativeFontInfo.GetEncoding();
+ }
+
+ WXHFONT GetHFONT() const
+ {
+ AllocIfNeeded();
+
+ return (WXHFONT)m_hFont;
+ }
+
+ bool HasHFONT() const
+ {
+ return m_hFont != 0;
+ }
+
+ // ... and setters: notice that all of them invalidate the currently
+ // allocated HFONT, if any, so that the next call to GetHFONT() recreates a
+ // new one
+ void SetPointSize(int pointSize)
+ {
+ Free();
+
+ m_nativeFontInfo.SetPointSize(pointSize);
+ m_sizeUsingPixels = false;
+ }
+
+ void SetPixelSize(const wxSize& pixelSize)
+ {
+ wxCHECK_RET( pixelSize.GetWidth() >= 0, "negative font width" );
+ wxCHECK_RET( pixelSize.GetHeight() != 0, "zero font height" );
+
+ Free();
+
+ m_nativeFontInfo.SetPixelSize(pixelSize);
+ m_sizeUsingPixels = true;
+ }
+
+ void SetFamily(wxFontFamily family)
+ {
+ Free();
+
+ m_nativeFontInfo.SetFamily(family);
+ }
+
+ void SetStyle(wxFontStyle style)
+ {
+ Free();
+
+ m_nativeFontInfo.SetStyle(style);
+ }
+
+ void SetWeight(wxFontWeight weight)
+ {
+ Free();
+
+ m_nativeFontInfo.SetWeight(weight);
+ }
+
+ bool SetFaceName(const wxString& faceName)
+ {
+ Free();
+
+ return m_nativeFontInfo.SetFaceName(faceName);
+ }
+
+ void SetUnderlined(bool underlined)
+ {
+ Free();
+
+ m_nativeFontInfo.SetUnderlined(underlined);
+ }
+
+ void SetEncoding(wxFontEncoding encoding)
+ {
+ Free();
+
+ m_nativeFontInfo.SetEncoding(encoding);
+ }
+
+ const wxNativeFontInfo& GetNativeFontInfo() const
+ {
+ // we need to create the font now to get the corresponding LOGFONT if
+ // it hadn't been done yet
+ AllocIfNeeded();
+
+ // ensure that we have a valid face name in our font information:
+ // GetFaceName() will try to retrieve it from our HFONT and save it if
+ // it was successful
+ (void)GetFaceName();
+
+ return m_nativeFontInfo;
+ }
+
+ void SetNativeFontInfo(const wxNativeFontInfo& nativeFontInfo)
+ {
+ Free();
+
+ m_nativeFontInfo = nativeFontInfo;
+ }
+
protected:
// common part of all ctors
void Init(int size,
- int family,
- int style,
- int weight,
+ const wxSize& pixelSize,
+ bool sizeUsingPixels,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight weight,
bool underlined,
const wxString& faceName,
wxFontEncoding encoding);
- // If TRUE, the pointer to the actual font is temporary and SHOULD NOT BE
- // DELETED by destructor
- bool m_temporary;
+ void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
+
+ void AllocIfNeeded() const
+ {
+ if ( !m_hFont )
+ const_cast<wxFontRefData *>(this)->Alloc();
+ }
+
+ // retrieve the face name really being used by the font: this is used to
+ // get the face name selected by the system when we don't specify it (but
+ // use just the family for example)
+ wxString GetMSWFaceName() const
+ {
+ ScreenHDC hdc;
+ SelectInHDC selectFont(hdc, m_hFont);
+
+ UINT otmSize = GetOutlineTextMetrics(hdc, 0, NULL);
+ if ( !otmSize )
+ {
+ wxLogLastError("GetOutlineTextMetrics(NULL)");
+ return wxString();
+ }
+
+ OUTLINETEXTMETRIC * const
+ otm = static_cast<OUTLINETEXTMETRIC *>(malloc(otmSize));
+ wxON_BLOCK_EXIT1( free, otm );
+
+ otm->otmSize = otmSize;
+ if ( !GetOutlineTextMetrics(hdc, otmSize, otm) )
+ {
+ wxLogLastError("GetOutlineTextMetrics()");
+ return wxString();
+ }
+
+ // in spite of its type, the otmpFamilyName field of OUTLINETEXTMETRIC
+ // gives an offset in _bytes_ of the face (not family!) name from the
+ // struct start while the name itself is an array of TCHARs
+ //
+ // FWIW otmpFaceName contains the same thing as otmpFamilyName followed
+ // by a possible " Italic" or " Bold" or something else suffix
+ return reinterpret_cast<wxChar *>(otm) +
+ wxPtrToUInt(otm->otmpFamilyName)/sizeof(wxChar);
+ }
- int m_fontId;
+ // are we using m_nativeFontInfo.lf.lfHeight for point size or pixel size?
+ bool m_sizeUsingPixels;
- // font characterstics
- int m_pointSize;
- int m_family;
- int m_style;
- int m_weight;
- bool m_underlined;
- wxString m_faceName;
- wxFontEncoding m_encoding;
+ // Windows font handle, created on demand in GetHFONT()
+ HFONT m_hFont;
- // Windows font handle
- WXHFONT m_hFont;
+ // Native font info
+ wxNativeFontInfo m_nativeFontInfo;
};
+#define M_FONTDATA ((wxFontRefData*)m_refData)
+
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
void wxFontRefData::Init(int pointSize,
- int family,
- int style,
- int weight,
+ const wxSize& pixelSize,
+ bool sizeUsingPixels,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight 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_hFont = NULL;
+
+ m_sizeUsingPixels = sizeUsingPixels;
+ if ( m_sizeUsingPixels )
+ SetPixelSize(pixelSize);
+ else
+ SetPointSize(pointSize);
+
+ SetStyle(style);
+ SetWeight(weight);
+ SetUnderlined(underlined);
+
+ // set the family/facename
+ SetFamily(family);
+ if ( !faceName.empty() )
+ SetFaceName(faceName);
- m_fontId = 0;
- m_temporary = FALSE;
+ // deal with encoding now (it may override the font family and facename
+ // so do it after setting them)
+ SetEncoding(encoding);
+}
- m_hFont = 0;
+void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
+{
+ // 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)hFont;
+ m_nativeFontInfo = info;
+
+ // TODO: m_sizeUsingPixels?
}
wxFontRefData::~wxFontRefData()
+{
+ Free();
+}
+
+bool wxFontRefData::Alloc()
+{
+ m_hFont = ::CreateFontIndirect(&m_nativeFontInfo.lf);
+ if ( !m_hFont )
+ {
+ wxLogLastError(wxT("CreateFont"));
+ return false;
+ }
+
+ return true;
+}
+
+void wxFontRefData::Free()
{
if ( m_hFont )
{
- if ( !::DeleteObject((HFONT) m_hFont) )
+ if ( !::DeleteObject(m_hFont) )
{
- wxLogLastError("DeleteObject(font)");
+ wxLogLastError(wxT("DeleteObject(font)"));
}
+
+ m_hFont = 0;
}
}
// ----------------------------------------------------------------------------
-// wxFont
+// wxNativeFontInfo
// ----------------------------------------------------------------------------
-void wxFont::Init()
+void wxNativeFontInfo::Init()
{
- if ( wxTheFontList )
- wxTheFontList->Append(this);
+ wxZeroMemory(lf);
+
+ // we get better font quality if we use PROOF_QUALITY instead of
+ // DEFAULT_QUALITY but some fonts (e.g. "Terminal 6pt") are not available
+ // then so we allow to set a global option to choose between quality and
+ // wider font selection
+#ifdef __WXWINCE__
+ lf.lfQuality = CLEARTYPE_QUALITY;
+#else
+ lf.lfQuality = wxSystemOptions::GetOptionInt("msw.font.no-proof-quality")
+ ? DEFAULT_QUALITY
+ : PROOF_QUALITY;
+#endif
}
-/* Constructor for a font. Note that the real construction is done
- * in wxDC::SetFont, when information is available about scaling etc.
- */
-bool wxFont::Create(int pointSize,
- int family,
- int style,
- int weight,
- bool underlined,
- const wxString& faceName,
- wxFontEncoding encoding)
+int wxNativeFontInfo::GetPointSize() const
{
- UnRef();
- m_refData = new wxFontRefData(pointSize, family, style, weight,
- underlined, faceName, encoding);
+ // FIXME: using the screen here results in incorrect font size calculation
+ // for printing!
+ const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
- RealizeResource();
+ // BC++ 2007 doesn't provide abs(long) overload, hence the cast
+ return (int) (((72.0*abs((int)lf.lfHeight)) / (double) ppInch) + 0.5);
+}
- return TRUE;
+wxSize wxNativeFontInfo::GetPixelSize() const
+{
+ wxSize ret;
+ ret.SetHeight(abs((int)lf.lfHeight));
+ ret.SetWidth(lf.lfWidth);
+ return ret;
}
-wxFont::~wxFont()
+wxFontStyle wxNativeFontInfo::GetStyle() const
{
- if ( wxTheFontList )
- wxTheFontList->DeleteObject(this);
+ return lf.lfItalic ? wxFONTSTYLE_ITALIC : wxFONTSTYLE_NORMAL;
}
-// ----------------------------------------------------------------------------
-// real implementation
-// ----------------------------------------------------------------------------
+wxFontWeight wxNativeFontInfo::GetWeight() const
+{
+ if ( lf.lfWeight <= 300 )
+ return wxFONTWEIGHT_LIGHT;
-bool wxFont::RealizeResource()
+ if ( lf.lfWeight >= 600 )
+ return wxFONTWEIGHT_BOLD;
+
+ return wxFONTWEIGHT_NORMAL;
+}
+
+bool wxNativeFontInfo::GetUnderlined() const
{
- if ( GetResourceHandle() )
- {
- // VZ: the old code returned FALSE in this case, but it doesn't seem
- // to make sense because the font _was_ created
- wxLogDebug(wxT("Calling wxFont::RealizeResource() twice"));
+ return lf.lfUnderline != 0;
+}
- return TRUE;
- }
+wxString wxNativeFontInfo::GetFaceName() const
+{
+ return lf.lfFaceName;
+}
- int ff_family = 0;
- wxString ff_face;
+wxFontFamily wxNativeFontInfo::GetFamily() const
+{
+ wxFontFamily family;
- switch ( M_FONTDATA->m_family )
+ // extract family from pitch-and-family
+ switch ( lf.lfPitchAndFamily & ~PITCH_MASK )
{
- case wxSCRIPT:
- ff_family = FF_SCRIPT ;
- ff_face = wxT("Script") ;
- break ;
+ case 0:
+ family = wxFONTFAMILY_UNKNOWN;
+ break;
- case wxDECORATIVE:
- ff_family = FF_DECORATIVE;
+ case FF_ROMAN:
+ family = wxFONTFAMILY_ROMAN;
break;
- case wxROMAN:
- ff_family = FF_ROMAN;
- ff_face = wxT("Times New Roman") ;
+ case FF_SWISS:
+ family = wxFONTFAMILY_SWISS;
break;
- case wxTELETYPE:
- case wxMODERN:
- ff_family = FF_MODERN;
- ff_face = wxT("Courier New") ;
+ case FF_SCRIPT:
+ family = wxFONTFAMILY_SCRIPT;
break;
- case wxSWISS:
- ff_family = FF_SWISS;
- ff_face = wxT("Arial") ;
+ case FF_MODERN:
+ family = wxFONTFAMILY_MODERN;
+ break;
+
+ case FF_DECORATIVE:
+ family = wxFONTFAMILY_DECORATIVE;
break;
- case wxDEFAULT:
default:
- ff_family = FF_SWISS;
- ff_face = wxT("Arial") ;
+ wxFAIL_MSG( "unknown LOGFONT::lfFamily value" );
+ family = wxFONTFAMILY_UNKNOWN;
+ // just to avoid a warning
}
- BYTE ff_italic;
- switch ( M_FONTDATA->m_style )
- {
- case wxITALIC:
- case wxSLANT:
- ff_italic = 1;
- break;
+ return family;
+}
+
+wxFontEncoding wxNativeFontInfo::GetEncoding() const
+{
+ return wxGetFontEncFromCharSet(lf.lfCharSet);
+}
+void wxNativeFontInfo::SetPointSize(int pointsize)
+{
+ // 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);
+}
+
+void wxNativeFontInfo::SetPixelSize(const wxSize& pixelSize)
+{
+ // MSW accepts both positive and negative heights here but they mean
+ // different things: positive specifies the cell height while negative
+ // specifies the character height. We used to just pass the value to MSW
+ // unchanged but changed the behaviour for positive values in 2.9.1 to
+ // match other ports and, more importantly, the expected behaviour. So now
+ // passing the negative height doesn't make sense at all any more but we
+ // still accept it for compatibility with the existing code which worked
+ // around the wrong interpretation of the height argument in older wxMSW
+ // versions by passing a negative value explicitly itself.
+ lf.lfHeight = -abs(pixelSize.GetHeight());
+ lf.lfWidth = pixelSize.GetWidth();
+}
+
+void wxNativeFontInfo::SetStyle(wxFontStyle style)
+{
+ switch ( style )
+ {
default:
- wxFAIL_MSG(wxT("unknown font slant"));
+ wxFAIL_MSG( "unknown font style" );
// fall through
- case wxNORMAL:
- ff_italic = 0;
+ case wxFONTSTYLE_NORMAL:
+ lf.lfItalic = FALSE;
+ break;
+
+ case wxFONTSTYLE_ITALIC:
+ case wxFONTSTYLE_SLANT:
+ lf.lfItalic = TRUE;
+ break;
}
+}
- int ff_weight = 0;
- switch ( M_FONTDATA->m_weight )
+void wxNativeFontInfo::SetWeight(wxFontWeight weight)
+{
+ switch ( weight )
{
default:
- wxFAIL_MSG(wxT("unknown font weight"));
+ wxFAIL_MSG( "unknown font weight" );
// fall through
- case wxNORMAL:
- ff_weight = FW_NORMAL;
+ case wxFONTWEIGHT_NORMAL:
+ lf.lfWeight = FW_NORMAL;
break;
- case wxLIGHT:
- ff_weight = FW_LIGHT;
+ case wxFONTWEIGHT_LIGHT:
+ lf.lfWeight = FW_LIGHT;
break;
- case wxBOLD:
- ff_weight = FW_BOLD;
+ case wxFONTWEIGHT_BOLD:
+ lf.lfWeight = FW_BOLD;
break;
}
+}
- const wxChar* pzFace;
- if ( M_FONTDATA->m_faceName.IsEmpty() )
- pzFace = ff_face;
- else
- pzFace = M_FONTDATA->m_faceName ;
+void wxNativeFontInfo::SetUnderlined(bool underlined)
+{
+ lf.lfUnderline = underlined;
+}
-#if 0
- /* Always calculate fonts using the screen DC (is this the best strategy?)
- * There may be confusion if a font is selected into a printer
- * DC (say), because the height will be calculated very differently.
- */
- // What sort of display is it?
- int technology = ::GetDeviceCaps(dc, TECHNOLOGY);
+bool wxNativeFontInfo::SetFaceName(const wxString& facename)
+{
+ wxStrlcpy(lf.lfFaceName, facename.c_str(), WXSIZEOF(lf.lfFaceName));
+ return true;
+}
- int nHeight;
+void wxNativeFontInfo::SetFamily(wxFontFamily family)
+{
+ BYTE ff_family = FF_DONTCARE;
- if (technology != DT_RASDISPLAY && technology != DT_RASPRINTER)
- {
- // Have to get screen DC Caps, because a metafile will return 0.
- HDC dc2 = ::GetDC(NULL);
- nHeight = M_FONTDATA->m_pointSize*GetDeviceCaps(dc2, LOGPIXELSY)/72;
- ::ReleaseDC(NULL, dc2);
- }
- else
+ switch ( family )
{
- nHeight = M_FONTDATA->m_pointSize*GetDeviceCaps(dc, LOGPIXELSY)/72;
- }
-#endif // 0
+ case wxFONTFAMILY_SCRIPT:
+ ff_family = FF_SCRIPT;
+ break;
-#if 0
- // Have to get screen DC Caps, because a metafile will return 0.
- HDC dc2 = ::GetDC(NULL);
- ppInch = ::GetDeviceCaps(dc2, LOGPIXELSY);
- ::ReleaseDC(NULL, dc2);
-#endif // 0
+ case wxFONTFAMILY_DECORATIVE:
+ ff_family = FF_DECORATIVE;
+ break;
- // New behaviour: apparently ppInch varies according to Large/Small Fonts
- // setting in Windows. This messes up fonts. So, set ppInch to a constant
- // 96 dpi.
- static const int ppInch = 96;
+ case wxFONTFAMILY_ROMAN:
+ ff_family = FF_ROMAN;
+ break;
-#if wxFONT_SIZE_COMPATIBILITY
- // Incorrect, but compatible with old wxWindows behaviour
- int nHeight = (M_FONTDATA->m_pointSize*ppInch/72);
-#else
- // Correct for Windows compatibility
- int nHeight = - (M_FONTDATA->m_pointSize*ppInch/72);
-#endif
+ case wxFONTFAMILY_TELETYPE:
+ case wxFONTFAMILY_MODERN:
+ ff_family = FF_MODERN;
+ break;
- BYTE ff_underline = M_FONTDATA->m_underlined;
+ case wxFONTFAMILY_SWISS:
+ case wxFONTFAMILY_DEFAULT:
+ ff_family = FF_SWISS;
+ break;
- wxFontEncoding encoding = M_FONTDATA->m_encoding;
- if ( encoding == wxFONTENCODING_DEFAULT )
- {
- encoding = wxFont::GetDefaultEncoding();
+ case wxFONTFAMILY_UNKNOWN:
+ wxFAIL_MSG( "invalid font family" );
+ return;
}
- DWORD charset;
- switch ( encoding )
- {
- case wxFONTENCODING_ISO8859_1:
- case wxFONTENCODING_ISO8859_15:
- case wxFONTENCODING_CP1250:
- charset = ANSI_CHARSET;
- break;
+ wxCHECK_RET( ff_family != FF_DONTCARE, "unknown wxFontFamily" );
- case wxFONTENCODING_ISO8859_2:
- case wxFONTENCODING_CP1252:
- charset = EASTEUROPE_CHARSET;
- break;
+ lf.lfPitchAndFamily = (BYTE)(DEFAULT_PITCH) | ff_family;
- case wxFONTENCODING_ISO8859_4:
- case wxFONTENCODING_ISO8859_10:
- charset = BALTIC_CHARSET;
- break;
+ // reset the facename so that CreateFontIndirect() will automatically choose a
+ // face name based only on the font family.
+ lf.lfFaceName[0] = '\0';
+}
- case wxFONTENCODING_ISO8859_5:
- case wxFONTENCODING_CP1251:
- charset = RUSSIAN_CHARSET;
- break;
+void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
+{
+ wxNativeEncodingInfo info;
+ if ( !wxGetNativeFontEncoding(encoding, &info) )
+ {
+#if wxUSE_FONTMAP
+ if ( wxFontMapper::Get()->GetAltForEncoding(encoding, &info) )
+ {
+ 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;
+ }
+ }
- case wxFONTENCODING_ISO8859_6:
- charset = ARABIC_CHARSET;
- break;
+ lf.lfCharSet = (BYTE)info.charset;
+}
- case wxFONTENCODING_ISO8859_7:
- charset = GREEK_CHARSET;
- break;
+bool wxNativeFontInfo::FromString(const wxString& s)
+{
+ long l;
+
+ wxStringTokenizer tokenizer(s, wxS(";"), wxTOKEN_RET_EMPTY_ALL);
+
+ // first the version
+ wxString token = tokenizer.GetNextToken();
+ if ( token != wxS('0') )
+ return false;
+
+ token = tokenizer.GetNextToken();
+ if ( !token.ToLong(&l) )
+ return false;
+ lf.lfHeight = l;
+
+ token = tokenizer.GetNextToken();
+ if ( !token.ToLong(&l) )
+ return false;
+ lf.lfWidth = l;
+
+ token = tokenizer.GetNextToken();
+ if ( !token.ToLong(&l) )
+ return false;
+ lf.lfEscapement = l;
+
+ token = tokenizer.GetNextToken();
+ if ( !token.ToLong(&l) )
+ return false;
+ lf.lfOrientation = l;
+
+ token = tokenizer.GetNextToken();
+ if ( !token.ToLong(&l) )
+ return false;
+ lf.lfWeight = l;
+
+ token = tokenizer.GetNextToken();
+ if ( !token.ToLong(&l) )
+ return false;
+ lf.lfItalic = (BYTE)l;
+
+ token = tokenizer.GetNextToken();
+ if ( !token.ToLong(&l) )
+ return false;
+ lf.lfUnderline = (BYTE)l;
+
+ token = tokenizer.GetNextToken();
+ if ( !token.ToLong(&l) )
+ return false;
+ lf.lfStrikeOut = (BYTE)l;
+
+ token = tokenizer.GetNextToken();
+ if ( !token.ToLong(&l) )
+ return false;
+ lf.lfCharSet = (BYTE)l;
+
+ token = tokenizer.GetNextToken();
+ if ( !token.ToLong(&l) )
+ return false;
+ lf.lfOutPrecision = (BYTE)l;
+
+ token = tokenizer.GetNextToken();
+ if ( !token.ToLong(&l) )
+ return false;
+ lf.lfClipPrecision = (BYTE)l;
+
+ token = tokenizer.GetNextToken();
+ if ( !token.ToLong(&l) )
+ return false;
+ lf.lfQuality = (BYTE)l;
+
+ token = tokenizer.GetNextToken();
+ if ( !token.ToLong(&l) )
+ return false;
+ lf.lfPitchAndFamily = (BYTE)l;
+
+ if ( !tokenizer.HasMoreTokens() )
+ return false;
+
+ // the face name may be empty
+ SetFaceName(tokenizer.GetNextToken());
+
+ return true;
+}
- case wxFONTENCODING_ISO8859_8:
- charset = HEBREW_CHARSET;
- break;
+wxString wxNativeFontInfo::ToString() const
+{
+ wxString s;
+
+ s.Printf(wxS("%d;%ld;%ld;%ld;%ld;%ld;%d;%d;%d;%d;%d;%d;%d;%d;%s"),
+ 0, // version, in case we want to change the format later
+ lf.lfHeight,
+ lf.lfWidth,
+ lf.lfEscapement,
+ lf.lfOrientation,
+ lf.lfWeight,
+ lf.lfItalic,
+ lf.lfUnderline,
+ lf.lfStrikeOut,
+ lf.lfCharSet,
+ lf.lfOutPrecision,
+ lf.lfClipPrecision,
+ lf.lfQuality,
+ lf.lfPitchAndFamily,
+ lf.lfFaceName);
+
+ return s;
+}
- case wxFONTENCODING_ISO8859_9:
- charset = TURKISH_CHARSET;
- break;
+// ----------------------------------------------------------------------------
+// wxFont
+// ----------------------------------------------------------------------------
- case wxFONTENCODING_ISO8859_11:
- charset = THAI_CHARSET;
- break;
+wxFont::wxFont(const wxString& fontdesc)
+{
+ wxNativeFontInfo info;
+ if ( info.FromString(fontdesc) )
+ (void)Create(info);
+}
- case wxFONTENCODING_CP437:
- charset = OEM_CHARSET;
- break;
+bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
+{
+ UnRef();
- default:
- wxFAIL_MSG(wxT("unsupported encoding"));
- // fall through
+ m_refData = new wxFontRefData(info, hFont);
- case wxFONTENCODING_SYSTEM:
- charset = ANSI_CHARSET;
- }
+ return RealizeResource();
+}
- HFONT hFont = ::CreateFont
- (
- nHeight, // height
- 0, // width (choose best)
- 0, // escapement
- 0, // orientation
- ff_weight, // weight
- ff_italic, // italic?
- ff_underline, // underlined?
- 0, // strikeout?
- charset, // charset
- OUT_DEFAULT_PRECIS, // precision
- CLIP_DEFAULT_PRECIS, // clip precision
- PROOF_QUALITY, // quality of match
- DEFAULT_PITCH | // fixed or variable
- ff_family, // family id
- pzFace // face name
- );
+bool wxFont::DoCreate(int pointSize,
+ const wxSize& pixelSize,
+ bool sizeUsingPixels,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight weight,
+ bool underlined,
+ const wxString& faceName,
+ wxFontEncoding encoding)
+{
+ UnRef();
- M_FONTDATA->m_hFont = (WXHFONT)hFont;
- if ( !hFont )
+ // 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 )
{
- wxLogLastError("CreateFont");
+ pointSize = wxNORMAL_FONT->GetPointSize();
}
- return hFont != 0;
+ m_refData = new wxFontRefData(pointSize, pixelSize, sizeUsingPixels,
+ family, style, weight,
+ underlined, faceName, encoding);
+
+ return RealizeResource();
}
-bool wxFont::FreeResource(bool force)
+wxFont::~wxFont()
{
- if ( GetResourceHandle() )
- {
- if ( !::DeleteObject((HFONT) M_FONTDATA->m_hFont) )
- {
- wxLogLastError("DeleteObject(font)");
- }
+}
- M_FONTDATA->m_hFont = 0;
+// ----------------------------------------------------------------------------
+// real implementation
+// ----------------------------------------------------------------------------
- return TRUE;
- }
- return FALSE;
+wxGDIRefData *wxFont::CreateGDIRefData() const
+{
+ return new wxFontRefData();
}
-WXHANDLE wxFont::GetResourceHandle()
+wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const
+{
+ return new wxFontRefData(*static_cast<const wxFontRefData *>(data));
+}
+
+bool wxFont::RealizeResource()
+{
+ // NOTE: the GetHFONT() call automatically triggers a reallocation of
+ // the HFONT if necessary (will do nothing if we already have the resource);
+ // it returns NULL only if there is a failure in wxFontRefData::Alloc()...
+ return GetHFONT() != NULL;
+}
+
+bool wxFont::FreeResource(bool WXUNUSED(force))
{
if ( !M_FONTDATA )
- return 0;
- else
- return (WXHANDLE)M_FONTDATA->m_hFont ;
+ return false;
+
+ M_FONTDATA->Free();
+
+ return true;
}
-bool wxFont::IsFree() const
+WXHANDLE wxFont::GetResourceHandle() const
{
- return (M_FONTDATA && (M_FONTDATA->m_hFont == 0));
+ return (WXHANDLE)GetHFONT();
}
-void wxFont::Unshare()
+WXHFONT wxFont::GetHFONT() const
{
- // Don't change shared data
- if ( !m_refData )
- {
- m_refData = new wxFontRefData();
- }
- else
- {
- wxFontRefData* ref = new wxFontRefData(*M_FONTDATA);
- UnRef();
- m_refData = ref;
- }
+ // NOTE: wxFontRefData::GetHFONT() will automatically call
+ // wxFontRefData::Alloc() if necessary
+ return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0;
+}
+
+bool wxFont::IsFree() const
+{
+ return M_FONTDATA && !M_FONTDATA->HasHFONT();
}
// ----------------------------------------------------------------------------
void wxFont::SetPointSize(int pointSize)
{
- Unshare();
-
- M_FONTDATA->m_pointSize = pointSize;
+ AllocExclusive();
- RealizeResource();
+ M_FONTDATA->Free();
+ M_FONTDATA->SetPointSize(pointSize);
}
-void wxFont::SetFamily(int family)
+void wxFont::SetPixelSize(const wxSize& pixelSize)
{
- Unshare();
-
- M_FONTDATA->m_family = family;
+ AllocExclusive();
- RealizeResource();
+ M_FONTDATA->SetPixelSize(pixelSize);
}
-void wxFont::SetStyle(int style)
+void wxFont::SetFamily(wxFontFamily family)
{
- Unshare();
+ AllocExclusive();
- M_FONTDATA->m_style = style;
-
- RealizeResource();
+ M_FONTDATA->SetFamily(family);
}
-void wxFont::SetWeight(int weight)
+void wxFont::SetStyle(wxFontStyle style)
{
- Unshare();
-
- M_FONTDATA->m_weight = weight;
+ AllocExclusive();
- RealizeResource();
+ M_FONTDATA->SetStyle(style);
}
-void wxFont::SetFaceName(const wxString& faceName)
+void wxFont::SetWeight(wxFontWeight weight)
{
- Unshare();
+ AllocExclusive();
- M_FONTDATA->m_faceName = faceName;
+ M_FONTDATA->SetWeight(weight);
+}
- RealizeResource();
+bool wxFont::SetFaceName(const wxString& faceName)
+{
+ AllocExclusive();
+
+ if ( !M_FONTDATA->SetFaceName(faceName) )
+ return false;
+
+ // NB: using win32's GetObject() API on M_FONTDATA->GetHFONT()
+ // to retrieve a LOGFONT and then compare lf.lfFaceName
+ // with given facename is not reliable at all:
+ // Windows copies the facename given to ::CreateFontIndirect()
+ // without any validity check.
+ // Thus we use wxFontBase::SetFaceName to check if facename
+ // is valid...
+ return wxFontBase::SetFaceName(faceName);
}
void wxFont::SetUnderlined(bool underlined)
{
- Unshare();
-
- M_FONTDATA->m_underlined = underlined;
+ AllocExclusive();
- RealizeResource();
+ M_FONTDATA->SetUnderlined(underlined);
}
void wxFont::SetEncoding(wxFontEncoding encoding)
{
- Unshare();
+ AllocExclusive();
- M_FONTDATA->m_encoding = encoding;
+ M_FONTDATA->SetEncoding(encoding);
+}
- RealizeResource();
+void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
+{
+ AllocExclusive();
+
+ M_FONTDATA->SetNativeFontInfo(info);
}
// ----------------------------------------------------------------------------
int wxFont::GetPointSize() const
{
- return M_FONTDATA->m_pointSize;
+ wxCHECK_MSG( IsOk(), 0, wxT("invalid font") );
+
+ return M_FONTDATA->GetPointSize();
+}
+
+wxSize wxFont::GetPixelSize() const
+{
+ wxCHECK_MSG( IsOk(), wxDefaultSize, wxT("invalid font") );
+
+ return M_FONTDATA->GetPixelSize();
}
-int wxFont::GetFamily() const
+bool wxFont::IsUsingSizeInPixels() const
{
- return M_FONTDATA->m_family;
+ wxCHECK_MSG( IsOk(), 0, wxT("invalid font") );
+
+ return M_FONTDATA->IsUsingSizeInPixels();
}
-int wxFont::GetFontId() const
+wxFontFamily wxFont::DoGetFamily() const
{
- return M_FONTDATA->m_fontId;
+ return M_FONTDATA->GetFamily();
}
-int wxFont::GetStyle() const
+wxFontStyle wxFont::GetStyle() const
{
- return M_FONTDATA->m_style;
+ wxCHECK_MSG( IsOk(), wxFONTSTYLE_MAX, wxT("invalid font") );
+
+ return M_FONTDATA->GetStyle();
}
-int wxFont::GetWeight() const
+wxFontWeight wxFont::GetWeight() const
{
- return M_FONTDATA->m_weight;
+ wxCHECK_MSG( IsOk(), wxFONTWEIGHT_MAX, wxT("invalid font") );
+
+ return M_FONTDATA->GetWeight();
}
bool wxFont::GetUnderlined() const
{
- return M_FONTDATA->m_underlined;
+ wxCHECK_MSG( IsOk(), false, wxT("invalid font") );
+
+ return M_FONTDATA->GetUnderlined();
}
wxString wxFont::GetFaceName() const
{
- wxString str;
- if ( M_FONTDATA )
- str = M_FONTDATA->m_faceName ;
- return str;
+ wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );
+
+ return M_FONTDATA->GetFaceName();
}
wxFontEncoding wxFont::GetEncoding() const
{
- return M_FONTDATA->m_encoding;
+ wxCHECK_MSG( IsOk(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
+
+ return M_FONTDATA->GetEncoding();
+}
+
+const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
+{
+ return IsOk() ? &(M_FONTDATA->GetNativeFontInfo()) : NULL;
+}
+
+bool wxFont::IsFixedWidth() const
+{
+ wxCHECK_MSG( IsOk(), false, wxT("invalid font") );
+
+ // LOGFONT doesn't contain the correct pitch information so we need to call
+ // GetTextMetrics() to get it
+ ScreenHDC hdc;
+ SelectInHDC selectFont(hdc, M_FONTDATA->GetHFONT());
+
+ TEXTMETRIC tm;
+ if ( !::GetTextMetrics(hdc, &tm) )
+ {
+ wxLogLastError(wxT("GetTextMetrics"));
+ return false;
+ }
+
+ // Quoting MSDN description of TMPF_FIXED_PITCH: "Note very carefully that
+ // those meanings are the opposite of what the constant name implies."
+ return !(tm.tmPitchAndFamily & TMPF_FIXED_PITCH);
}
projects / wxWidgets.git / blobdiff