// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #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 "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/encinfo.h"
#endif // WX_PRECOMP
#include "wx/fontutil.h"
#include "wx/fontmap.h"
+#ifndef __WXWINCE__
+ #include "wx/sysopt.h"
+#endif
+
+#include "wx/scopeguard.h"
#include "wx/tokenzr.h"
#if wxUSE_EXTENDED_RTTI
wxFontRefData(int size,
const wxSize& pixelSize,
bool sizeUsingPixels,
- int family,
- int style,
- int weight,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight weight,
bool underlined,
const wxString& faceName,
wxFontEncoding encoding)
wxFontRefData(const wxFontRefData& data) : wxGDIRefData()
{
- if ( data.m_nativeFontInfoOk )
- {
- Init(data.m_nativeFontInfo);
- }
- else
- {
- Init(data.m_pointSize, data.m_pixelSize, data.m_sizeUsingPixels,
- data.m_family, data.m_style, data.m_weight,
- data.m_underlined, data.m_faceName, data.m_encoding);
- }
+ Init(data.m_nativeFontInfo);
}
virtual ~wxFontRefData();
// operations
- bool Alloc(wxFont *font);
+ bool Alloc();
void Free();
// all wxFont accessors
int GetPointSize() const
{
- return m_nativeFontInfoOk ? m_nativeFontInfo.GetPointSize()
- : m_pointSize;
+ return m_nativeFontInfo.GetPointSize();
}
wxSize GetPixelSize() const
{
- return m_nativeFontInfoOk ? m_nativeFontInfo.GetPixelSize()
- : m_pixelSize;
+ return m_nativeFontInfo.GetPixelSize();
}
bool IsUsingSizeInPixels() const
{
- return m_nativeFontInfoOk ? true : m_sizeUsingPixels;
+ return m_sizeUsingPixels;
}
- int GetFamily() const
+ wxFontFamily GetFamily() const
{
- return m_family;
+ return m_nativeFontInfo.GetFamily();
}
- int GetStyle() const
+ wxFontStyle GetStyle() const
{
- return m_nativeFontInfoOk ? m_nativeFontInfo.GetStyle()
- : m_style;
+ return m_nativeFontInfo.GetStyle();
}
- int GetWeight() const
+ wxFontWeight GetWeight() const
{
- return m_nativeFontInfoOk ? m_nativeFontInfo.GetWeight()
- : m_weight;
+ return m_nativeFontInfo.GetWeight();
}
bool GetUnderlined() const
{
- return m_nativeFontInfoOk ? m_nativeFontInfo.GetUnderlined()
- : m_underlined;
+ return m_nativeFontInfo.GetUnderlined();
}
wxString GetFaceName() const
{
- wxString s;
- if ( m_nativeFontInfoOk )
- s = m_nativeFontInfo.GetFaceName();
- else
- s = m_faceName;
+ 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 s;
+ return facename;
}
wxFontEncoding GetEncoding() const
{
- return m_nativeFontInfoOk ? m_nativeFontInfo.GetEncoding()
- : m_encoding;
+ return m_nativeFontInfo.GetEncoding();
+ }
+
+ WXHFONT GetHFONT() const
+ {
+ AllocIfNeeded();
+
+ return (WXHFONT)m_hFont;
}
- WXHFONT GetHFONT() const { return m_hFont; }
+ bool HasHFONT() const
+ {
+ return m_hFont != 0;
+ }
- // ... and setters
+ // ... 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)
{
- if ( m_nativeFontInfoOk )
- {
- m_nativeFontInfo.SetPointSize(pointSize);
- }
- else
- {
- m_pointSize = pointSize;
- m_sizeUsingPixels = false;
- }
+ Free();
+
+ m_nativeFontInfo.SetPointSize(pointSize);
+ m_sizeUsingPixels = false;
}
void SetPixelSize(const wxSize& pixelSize)
{
- if ( m_nativeFontInfoOk )
- {
- m_nativeFontInfo.SetPixelSize(pixelSize);
- }
- else
- {
- m_pixelSize = pixelSize;
- m_sizeUsingPixels = true;
- }
+ 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(int family)
+ void SetFamily(wxFontFamily family)
{
- m_family = family;
+ Free();
+
+ m_nativeFontInfo.SetFamily(family);
}
- void SetStyle(int style)
+ void SetStyle(wxFontStyle style)
{
- if ( m_nativeFontInfoOk )
- m_nativeFontInfo.SetStyle((wxFontStyle)style);
- else
- m_style = style;
+ Free();
+
+ m_nativeFontInfo.SetStyle(style);
}
- void SetWeight(int weight)
+ void SetWeight(wxFontWeight weight)
{
- if ( m_nativeFontInfoOk )
- m_nativeFontInfo.SetWeight((wxFontWeight)weight);
- else
- m_weight = weight;
+ Free();
+
+ m_nativeFontInfo.SetWeight(weight);
}
- void SetFaceName(const wxString& faceName)
+ bool SetFaceName(const wxString& faceName)
{
- if ( m_nativeFontInfoOk )
- m_nativeFontInfo.SetFaceName(faceName);
- else
- m_faceName = faceName;
+ Free();
+
+ return m_nativeFontInfo.SetFaceName(faceName);
}
void SetUnderlined(bool underlined)
{
- if ( m_nativeFontInfoOk )
- m_nativeFontInfo.SetUnderlined(underlined);
- else
- m_underlined = underlined;
+ Free();
+
+ m_nativeFontInfo.SetUnderlined(underlined);
}
void SetEncoding(wxFontEncoding encoding)
{
- if ( m_nativeFontInfoOk )
- m_nativeFontInfo.SetEncoding(encoding);
- else
- m_encoding = encoding;
- }
+ Free();
- // native font info tests
- bool HasNativeFontInfo() const { return m_nativeFontInfoOk; }
+ m_nativeFontInfo.SetEncoding(encoding);
+ }
const wxNativeFontInfo& GetNativeFontInfo() const
- { return m_nativeFontInfo; }
+ {
+ // 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,
const wxSize& pixelSize,
bool sizeUsingPixels,
- int family,
- int style,
- int weight,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight weight,
bool underlined,
const wxString& faceName,
wxFontEncoding encoding);
void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
- // font characterstics
- int m_pointSize;
- wxSize m_pixelSize;
- bool m_sizeUsingPixels;
- int m_family;
- int m_style;
- int m_weight;
- bool m_underlined;
- wxString m_faceName;
- wxFontEncoding m_encoding;
+ void AllocIfNeeded() const
+ {
+ if ( !m_hFont )
+ const_cast<wxFontRefData *>(this)->Alloc();
+ }
- // Windows font handle
- WXHFONT m_hFont;
+ // 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);
+ }
+
+ // are we using m_nativeFontInfo.lf.lfHeight for point size or pixel size?
+ bool m_sizeUsingPixels;
+
+ // Windows font handle, created on demand in GetHFONT()
+ HFONT m_hFont;
// Native font info
wxNativeFontInfo m_nativeFontInfo;
- bool m_nativeFontInfoOk;
};
+#define M_FONTDATA ((wxFontRefData*)m_refData)
+
// ============================================================================
// implementation
// ============================================================================
void wxFontRefData::Init(int pointSize,
const wxSize& pixelSize,
bool sizeUsingPixels,
- int family,
- int style,
- int weight,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight weight,
bool underlined,
const wxString& faceName,
wxFontEncoding encoding)
{
- m_style = style;
- m_pointSize = pointSize == -1 ? wxNORMAL_FONT->GetPointSize() : pointSize;
- m_pixelSize = pixelSize;
+ m_hFont = NULL;
+
m_sizeUsingPixels = sizeUsingPixels;
- m_family = family;
- m_style = style;
- m_weight = weight;
- m_underlined = underlined;
- m_faceName = faceName;
- m_encoding = encoding;
+ if ( m_sizeUsingPixels )
+ SetPixelSize(pixelSize);
+ else
+ SetPointSize(pointSize);
- m_hFont = 0;
+ SetStyle(style);
+ SetWeight(weight);
+ SetUnderlined(underlined);
- m_nativeFontInfoOk = false;
+ // set the family/facename
+ SetFamily(family);
+ if ( !faceName.empty() )
+ SetFaceName(faceName);
+
+ // deal with encoding now (it may override the font family and facename
+ // so do it after setting them)
+ SetEncoding(encoding);
}
void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
// 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;
-
- m_nativeFontInfoOk = true;
+ m_hFont = (HFONT)hFont;
m_nativeFontInfo = info;
- // This is the best we can do since we don't have the
- // correct information at this point.
- m_family = wxSWISS;
+
+ // TODO: m_sizeUsingPixels?
}
wxFontRefData::~wxFontRefData()
Free();
}
-bool wxFontRefData::Alloc(wxFont *font)
+bool wxFontRefData::Alloc()
{
- if ( !m_nativeFontInfoOk )
- {
- wxFillLogFont(&m_nativeFontInfo.lf, font);
- m_nativeFontInfoOk = true;
- }
-
- HFONT hfont = ::CreateFontIndirect(&m_nativeFontInfo.lf);
- if ( !hfont )
+ m_hFont = ::CreateFontIndirect(&m_nativeFontInfo.lf);
+ if ( !m_hFont )
{
wxLogLastError(wxT("CreateFont"));
-
return false;
}
- m_hFont = (WXHFONT)hfont;
-
return true;
}
{
if ( m_hFont )
{
- if ( !::DeleteObject((HFONT) m_hFont) )
+ if ( !::DeleteObject(m_hFont) )
{
wxLogLastError(wxT("DeleteObject(font)"));
}
void wxNativeFontInfo::Init()
{
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
}
int wxNativeFontInfo::GetPointSize() const
// for printing!
const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
- return (int) (((72.0*(double)abs(lf.lfHeight)) / (double) ppInch) + 0.5);
+ // BC++ 2007 doesn't provide abs(long) overload, hence the cast
+ return (int) (((72.0*abs((int)lf.lfHeight)) / (double) ppInch) + 0.5);
}
wxSize wxNativeFontInfo::GetPixelSize() const
{
wxSize ret;
- ret.SetHeight(lf.lfHeight);
+ ret.SetHeight(abs((int)lf.lfHeight));
ret.SetWidth(lf.lfWidth);
return ret;
}
// extract family from pitch-and-family
switch ( lf.lfPitchAndFamily & ~PITCH_MASK )
{
+ case 0:
+ family = wxFONTFAMILY_UNKNOWN;
+ break;
+
case FF_ROMAN:
family = wxFONTFAMILY_ROMAN;
break;
- default:
- wxFAIL_MSG( _T("unknown LOGFONT::lfFamily value") );
- // fall through
-
case FF_SWISS:
family = wxFONTFAMILY_SWISS;
break;
case FF_DECORATIVE:
family = wxFONTFAMILY_DECORATIVE;
break;
+
+ default:
+ wxFAIL_MSG( "unknown LOGFONT::lfFamily value" );
+ family = wxFONTFAMILY_UNKNOWN;
+ // just to avoid a warning
}
return family;
void wxNativeFontInfo::SetPixelSize(const wxSize& pixelSize)
{
- lf.lfHeight = pixelSize.GetHeight();
+ // 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( _T("unknown font style") );
+ wxFAIL_MSG( "unknown font style" );
// fall through
case wxFONTSTYLE_NORMAL:
switch ( weight )
{
default:
- wxFAIL_MSG( _T("unknown font weight") );
+ wxFAIL_MSG( "unknown font weight" );
// fall through
case wxFONTWEIGHT_NORMAL:
lf.lfUnderline = underlined;
}
-void wxNativeFontInfo::SetFaceName(wxString facename)
+bool wxNativeFontInfo::SetFaceName(const wxString& facename)
{
- wxStrncpy(lf.lfFaceName, facename, WXSIZEOF(lf.lfFaceName));
+ wxStrlcpy(lf.lfFaceName, facename.c_str(), WXSIZEOF(lf.lfFaceName));
+ return true;
}
void wxNativeFontInfo::SetFamily(wxFontFamily family)
{
- BYTE ff_family;
- wxString facename;
+ BYTE ff_family = FF_DONTCARE;
switch ( family )
{
- case wxSCRIPT:
+ case wxFONTFAMILY_SCRIPT:
ff_family = FF_SCRIPT;
- facename = _T("Script");
break;
- case wxDECORATIVE:
+ case wxFONTFAMILY_DECORATIVE:
ff_family = FF_DECORATIVE;
- facename = _T("Old English Text MT");
break;
- case wxROMAN:
+ case wxFONTFAMILY_ROMAN:
ff_family = FF_ROMAN;
- facename = _T("Times New Roman");
break;
- case wxTELETYPE:
- case wxMODERN:
+ case wxFONTFAMILY_TELETYPE:
+ case wxFONTFAMILY_MODERN:
ff_family = FF_MODERN;
- facename = _T("Courier New");
break;
- case wxSWISS:
+ case wxFONTFAMILY_SWISS:
+ case wxFONTFAMILY_DEFAULT:
ff_family = FF_SWISS;
- facename = _T("Arial");
break;
- case wxDEFAULT:
- default:
- ff_family = FF_SWISS;
- facename = _T("MS Sans Serif");
+ case wxFONTFAMILY_UNKNOWN:
+ wxFAIL_MSG( "invalid font family" );
+ return;
}
+ wxCHECK_RET( ff_family != FF_DONTCARE, "unknown wxFontFamily" );
+
lf.lfPitchAndFamily = (BYTE)(DEFAULT_PITCH) | ff_family;
- if ( !wxStrlen(lf.lfFaceName) )
- {
- SetFaceName(facename);
- }
+ // reset the facename so that CreateFontIndirect() will automatically choose a
+ // face name based only on the font family.
+ lf.lfFaceName[0] = '\0';
}
void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
{
long l;
- wxStringTokenizer tokenizer(s, _T(";"));
+ wxStringTokenizer tokenizer(s, wxS(";"), wxTOKEN_RET_EMPTY_ALL);
// first the version
wxString token = tokenizer.GetNextToken();
- if ( token != _T('0') )
+ if ( token != wxS('0') )
return false;
token = tokenizer.GetNextToken();
return false;
lf.lfPitchAndFamily = (BYTE)l;
- token = tokenizer.GetNextToken();
- if(!token)
+ if ( !tokenizer.HasMoreTokens() )
return false;
- wxStrcpy(lf.lfFaceName, token.c_str());
+
+ // the face name may be empty
+ SetFaceName(tokenizer.GetNextToken());
return true;
}
{
wxString s;
- s.Printf(_T("%d;%ld;%ld;%ld;%ld;%ld;%d;%d;%d;%d;%d;%d;%d;%d;%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,
// wxFont
// ----------------------------------------------------------------------------
-void wxFont::Init()
+wxFont::wxFont(const wxString& fontdesc)
{
+ wxNativeFontInfo info;
+ if ( info.FromString(fontdesc) )
+ (void)Create(info);
}
bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
m_refData = new wxFontRefData(info, hFont);
- RealizeResource();
-
- return true;
+ return RealizeResource();
}
-wxFont::wxFont(const wxString& fontdesc)
-{
- wxNativeFontInfo info;
- if ( info.FromString(fontdesc) )
- (void)Create(info);
-}
-
-/* Constructor for a font. Note that the real construction is done
- * in wxDC::SetFont, when information is available about scaling etc.
- */
bool wxFont::DoCreate(int pointSize,
const wxSize& pixelSize,
bool sizeUsingPixels,
- int family,
- int style,
- int weight,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight weight,
bool underlined,
const wxString& faceName,
wxFontEncoding encoding)
family, style, weight,
underlined, faceName, encoding);
- RealizeResource();
-
- return true;
+ return RealizeResource();
}
wxFont::~wxFont()
// real implementation
// ----------------------------------------------------------------------------
-bool wxFont::RealizeResource()
+wxGDIRefData *wxFont::CreateGDIRefData() 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
- return true;
- }
+ return new wxFontRefData();
+}
+
+wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const
+{
+ return new wxFontRefData(*static_cast<const wxFontRefData *>(data));
+}
- return M_FONTDATA->Alloc(this);
+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 ( GetResourceHandle() )
- {
- M_FONTDATA->Free();
+ if ( !M_FONTDATA )
+ return false;
- return true;
- }
+ M_FONTDATA->Free();
- return false;
+ return true;
}
WXHANDLE wxFont::GetResourceHandle() const
WXHFONT wxFont::GetHFONT() const
{
+ // 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->GetHFONT() == 0);
-}
-
-void wxFont::Unshare()
-{
- // Don't change shared data
- if ( !m_refData )
- {
- m_refData = new wxFontRefData();
- }
- else
- {
- wxFontRefData* ref = new wxFontRefData(*M_FONTDATA);
- UnRef();
- m_refData = ref;
- }
+ return M_FONTDATA && !M_FONTDATA->HasHFONT();
}
// ----------------------------------------------------------------------------
void wxFont::SetPointSize(int pointSize)
{
- Unshare();
+ AllocExclusive();
+ M_FONTDATA->Free();
M_FONTDATA->SetPointSize(pointSize);
-
- RealizeResource();
}
void wxFont::SetPixelSize(const wxSize& pixelSize)
{
- Unshare();
+ AllocExclusive();
M_FONTDATA->SetPixelSize(pixelSize);
-
- RealizeResource();
}
-void wxFont::SetFamily(int family)
+void wxFont::SetFamily(wxFontFamily family)
{
- Unshare();
+ AllocExclusive();
M_FONTDATA->SetFamily(family);
-
- RealizeResource();
}
-void wxFont::SetStyle(int style)
+void wxFont::SetStyle(wxFontStyle style)
{
- Unshare();
+ AllocExclusive();
M_FONTDATA->SetStyle(style);
-
- RealizeResource();
}
-void wxFont::SetWeight(int weight)
+void wxFont::SetWeight(wxFontWeight weight)
{
- Unshare();
+ AllocExclusive();
M_FONTDATA->SetWeight(weight);
-
- RealizeResource();
}
-void wxFont::SetFaceName(const wxString& faceName)
+bool wxFont::SetFaceName(const wxString& faceName)
{
- Unshare();
+ AllocExclusive();
- M_FONTDATA->SetFaceName(faceName);
+ if ( !M_FONTDATA->SetFaceName(faceName) )
+ return false;
- RealizeResource();
+ // 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();
+ AllocExclusive();
M_FONTDATA->SetUnderlined(underlined);
-
- RealizeResource();
}
void wxFont::SetEncoding(wxFontEncoding encoding)
{
- Unshare();
+ AllocExclusive();
M_FONTDATA->SetEncoding(encoding);
-
- RealizeResource();
}
void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
{
- Unshare();
-
- FreeResource();
-
- *M_FONTDATA = wxFontRefData(info);
+ AllocExclusive();
- RealizeResource();
+ M_FONTDATA->SetNativeFontInfo(info);
}
// ----------------------------------------------------------------------------
int wxFont::GetPointSize() const
{
- wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+ 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();
}
bool wxFont::IsUsingSizeInPixels() const
{
- wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+ wxCHECK_MSG( IsOk(), 0, wxT("invalid font") );
return M_FONTDATA->IsUsingSizeInPixels();
}
-int wxFont::GetFamily() const
+wxFontFamily wxFont::GetFamily() const
{
- wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+ wxCHECK_MSG( IsOk(), wxFONTFAMILY_MAX, wxT("invalid font") );
return M_FONTDATA->GetFamily();
}
-int wxFont::GetStyle() const
+wxFontStyle wxFont::GetStyle() const
{
- wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+ wxCHECK_MSG( IsOk(), wxFONTSTYLE_MAX, wxT("invalid font") );
return M_FONTDATA->GetStyle();
}
-int wxFont::GetWeight() const
+wxFontWeight wxFont::GetWeight() const
{
- wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+ wxCHECK_MSG( IsOk(), wxFONTWEIGHT_MAX, wxT("invalid font") );
return M_FONTDATA->GetWeight();
}
bool wxFont::GetUnderlined() const
{
- wxCHECK_MSG( Ok(), false, wxT("invalid font") );
+ wxCHECK_MSG( IsOk(), false, wxT("invalid font") );
return M_FONTDATA->GetUnderlined();
}
wxString wxFont::GetFaceName() const
{
- wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
+ wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );
return M_FONTDATA->GetFaceName();
}
wxFontEncoding wxFont::GetEncoding() const
{
- wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
+ wxCHECK_MSG( IsOk(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
return M_FONTDATA->GetEncoding();
}
const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
{
- return M_FONTDATA->HasNativeFontInfo() ? &(M_FONTDATA->GetNativeFontInfo())
- : NULL;
+ return IsOk() ? &(M_FONTDATA->GetNativeFontInfo()) : NULL;
}
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 =
- (BYTE)(M_FONTDATA->GetNativeFontInfo().lf.lfPitchAndFamily & PITCH_MASK);
+ wxCHECK_MSG( IsOk(), false, wxT("invalid font") );
- return pitch == FIXED_PITCH;
+ // 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;
}
- return wxFontBase::IsFixedWidth();
+ // 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