+// 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
+{
+public:
+ // constructors
+ wxFontRefData()
+ {
+ Init(-1, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL,
+ FALSE, _T(""), wxFONTENCODING_DEFAULT);
+ }
+
+ wxFontRefData(int size,
+ int family,
+ int style,
+ int weight,
+ bool underlined,
+ const wxString& faceName,
+ wxFontEncoding encoding)
+ {
+ Init(size, family, style, weight, underlined, faceName, encoding);
+ }
+
+ wxFontRefData(const wxNativeFontInfo& info, WXHFONT hFont = 0)
+ {
+ Init(info, hFont);
+ }
+
+ wxFontRefData(const wxFontRefData& data)
+ {
+ 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,
+ int family,
+ int style,
+ int weight,
+ bool underlined,
+ const wxString& faceName,
+ wxFontEncoding encoding);
+
+ void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
+
+ // 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
+ WXHFONT m_hFont;
+
+ // Native font info
+ wxNativeFontInfo m_nativeFontInfo;
+ bool m_nativeFontInfoOk;
+};
+
+// ============================================================================
+// 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 ? wxNORMAL_FONT->GetPointSize() : pointSize;
+ m_family = family;
+ m_style = style;
+ m_weight = weight;
+ m_underlined = underlined;
+ m_faceName = faceName;
+ m_encoding = encoding;
+
+ m_hFont = 0;
+
+ m_nativeFontInfoOk = FALSE;
+}
+
+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;
+
+ 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:
+ family = wxFONTFAMILY_ROMAN;
+ break;
+
+ default:
+ wxFAIL_MSG( _T("unknown LOGFONT::lfFamily value") );
+ // fall through
+
+ case FF_SWISS:
+ family = wxFONTFAMILY_SWISS;
+ break;
+
+ case FF_SCRIPT:
+ family = wxFONTFAMILY_SCRIPT;
+ break;
+
+ case FF_MODERN:
+ family = wxFONTFAMILY_MODERN;
+ break;
+
+ case FF_DECORATIVE:
+ 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:
+ wxFAIL_MSG( _T("unknown font style") );
+ // fall through
+
+ case wxFONTSTYLE_NORMAL:
+ break;
+
+ case wxFONTSTYLE_ITALIC:
+ case wxFONTSTYLE_SLANT:
+ lf.lfItalic = TRUE;
+ break;
+ }
+}
+
+void wxNativeFontInfo::SetWeight(wxFontWeight weight)
+{
+ switch ( weight )
+ {
+ default:
+ wxFAIL_MSG( _T("unknown font weight") );
+ // fall through
projects / wxWidgets.git / blobdiff