+
+// ----------------------------------------------------------------------------
+// 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
+{
+public:
+ // constructors
+ wxFontRefData()
+ {
+ Init(-1, wxSize(0,0), false, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL,
+ wxFONTWEIGHT_NORMAL, false, wxEmptyString,
+ wxFONTENCODING_DEFAULT);
+ }
+
+ wxFontRefData(int size,
+ const wxSize& pixelSize,
+ bool sizeUsingPixels,
+ int family,
+ int style,
+ int weight,
+ bool underlined,
+ const wxString& faceName,
+ wxFontEncoding 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()
+ {
+ 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);
+ }
+ }
+
+ virtual ~wxFontRefData();
+
+ // operations
+ bool Alloc(const wxFont *font);
+
+ void Free();
+
+ // all wxFont accessors
+ int GetPointSize() const
+ {
+ return m_nativeFontInfoOk ? m_nativeFontInfo.GetPointSize()
+ : m_pointSize;
+ }
+
+ wxSize GetPixelSize() const
+ {
+ return m_nativeFontInfoOk ? m_nativeFontInfo.GetPixelSize()
+ : m_pixelSize;
+ }
+
+ bool IsUsingSizeInPixels() const
+ {
+ return m_nativeFontInfoOk ? true : m_sizeUsingPixels;
+ }
+
+ 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 wxFont *font) const
+ {
+ if ( !m_hFont )
+ wx_const_cast(wxFontRefData *, this)->Alloc(font);
+
+ 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();
+
+ if ( m_nativeFontInfoOk )
+ {
+ m_nativeFontInfo.SetPointSize(pointSize);
+ }
+ else
+ {
+ m_pointSize = pointSize;
+ m_sizeUsingPixels = false;
+ }
+ }
+
+ void SetPixelSize(const wxSize& pixelSize)
+ {
+ Free();
+
+ if ( m_nativeFontInfoOk )
+ {
+ m_nativeFontInfo.SetPixelSize(pixelSize);
+ }
+ else
+ {
+ m_pixelSize = pixelSize;
+ m_sizeUsingPixels = true;
+ }
+ }
+
+ void SetFamily(int family)
+ {
+ Free();
+
+ m_family = family;
+ }
+
+ void SetStyle(int style)
+ {
+ Free();
+
+ if ( m_nativeFontInfoOk )
+ m_nativeFontInfo.SetStyle((wxFontStyle)style);
+ else
+ m_style = style;
+ }
+
+ void SetWeight(int weight)
+ {
+ Free();
+
+ if ( m_nativeFontInfoOk )
+ m_nativeFontInfo.SetWeight((wxFontWeight)weight);
+ else
+ m_weight = weight;
+ }
+
+ bool SetFaceName(const wxString& faceName)
+ {
+ Free();
+
+ if ( m_nativeFontInfoOk )
+ return m_nativeFontInfo.SetFaceName(faceName);
+
+ m_faceName = faceName;
+ return true;
+ }
+
+ void SetUnderlined(bool underlined)
+ {
+ Free();
+
+ if ( m_nativeFontInfoOk )
+ m_nativeFontInfo.SetUnderlined(underlined);
+ else
+ m_underlined = underlined;
+ }
+
+ void SetEncoding(wxFontEncoding encoding)
+ {
+ Free();
+
+ if ( m_nativeFontInfoOk )
+ m_nativeFontInfo.SetEncoding(encoding);
+ else
+ m_encoding = encoding;
+ }
+
+ // native font info
+ bool HasNativeFontInfo() const { return m_nativeFontInfoOk; }
+
+ const wxNativeFontInfo& GetNativeFontInfo() const
+ { return m_nativeFontInfo; }
+
+ void SetNativeFontInfo(const wxNativeFontInfo& nativeFontInfo)
+ {
+ Free();
+
+ m_nativeFontInfo = nativeFontInfo;
+ m_nativeFontInfoOk = true;
+ }
+
+protected:
+ // common part of all ctors
+ void Init(int size,
+ const wxSize& pixelSize,
+ bool sizeUsingPixels,
+ int family,
+ int style,
+ int weight,
+ bool underlined,
+ const wxString& faceName,
+ wxFontEncoding encoding);
+
+ void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
+
+ // font characteristics
+ 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;
+
+ // 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
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxFontRefData
+// ----------------------------------------------------------------------------
+
+void wxFontRefData::Init(int pointSize,
+ const wxSize& pixelSize,
+ bool sizeUsingPixels,
+ 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_pixelSize = pixelSize;
+ m_sizeUsingPixels = sizeUsingPixels;
+ 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)hFont;
+
+ m_nativeFontInfoOk = true;
+ m_nativeFontInfo = info;
+ // This is the best we can do since we don't have the
+ // correct information at this point.
+ m_family = wxSWISS;
+}
+
+wxFontRefData::~wxFontRefData()
+{
+ Free();
+}
+
+bool wxFontRefData::Alloc(const wxFont *font)
+{
+ if ( !m_nativeFontInfoOk )
+ {
+ wxFillLogFont(&m_nativeFontInfo.lf, font);
+ m_nativeFontInfoOk = true;
+ }
+
+ m_hFont = ::CreateFontIndirect(&m_nativeFontInfo.lf);
+ if ( !m_hFont )
+ {
+ wxLogLastError(wxT("CreateFont"));
+ return false;
+ }
+
+ return true;
+}
+
+void wxFontRefData::Free()
+{
+ if ( m_hFont )
+ {
+ if ( !::DeleteObject(m_hFont) )
+ {
+ wxLogLastError(wxT("DeleteObject(font)"));
+ }
+
+ m_hFont = 0;
+ }
+}
+
+// ----------------------------------------------------------------------------
+// wxNativeFontInfo
+// ----------------------------------------------------------------------------
+
+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(_T("msw.font.no-proof-quality"))
+ ? DEFAULT_QUALITY
+ : PROOF_QUALITY;
+#endif
+}
+
+int wxNativeFontInfo::GetPointSize() const
+{
+ // FIXME: using the screen here results in incorrect font size calculation
+ // for printing!
+ const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
+
+ // 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(abs((int)lf.lfHeight));
+ ret.SetWidth(lf.lfWidth);
+ return ret;
+}
+
+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
projects / wxWidgets.git / blobdiff