/////////////////////////////////////////////////////////////////////////////
-// 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
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "font.h"
-#endif
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
-#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"
-#endif
-#include "wx/msw/private.h"
-#include "assert.h"
+#ifndef WX_PRECOMP
+ #include "wx/list.h"
+ #include "wx/utils.h"
+ #include "wx/app.h"
+ #include "wx/log.h"
+ #include "wx/msw/private.h"
+#endif // WX_PRECOMP
-#if !USE_SHARED_LIBRARIES
-IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
+#include "wx/encinfo.h"
+#include "wx/fontutil.h"
+#include "wx/fontmap.h"
-#if USE_PORTABLE_FONTS_IN_MSW
-IMPLEMENT_DYNAMIC_CLASS(wxFontNameDirectory, wxObject)
+#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
+{
+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,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight 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()
+ {
+ 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,
+ const wxSize& pixelSize,
+ bool sizeUsingPixels,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight weight,
+ bool underlined,
+ const wxString& faceName,
+ wxFontEncoding encoding);
+
+ 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);
+ }
+
+ // 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;
+};
+
+#define M_FONTDATA ((wxFontRefData*)m_refData)
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxFontRefData
+// ----------------------------------------------------------------------------
+
+void wxFontRefData::Init(int pointSize,
+ const wxSize& pixelSize,
+ bool sizeUsingPixels,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight weight,
+ bool underlined,
+ const wxString& faceName,
+ wxFontEncoding 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);
+
+ // 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)
+{
+ // 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(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("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);
+}
-wxFontRefData::wxFontRefData(void)
+wxSize wxNativeFontInfo::GetPixelSize() const
{
- m_style = 0;
- m_temporary = FALSE;
- m_pointSize = 0;
- m_family = 0;
- m_fontId = 0;
- m_style = 0;
- m_weight = 0;
- m_underlined = 0;
- m_faceName = "";
- m_hFont = 0;
+ wxSize ret;
+ ret.SetHeight(abs((int)lf.lfHeight));
+ ret.SetWidth(lf.lfWidth);
+ return ret;
}
-wxFontRefData::~wxFontRefData(void)
+wxFontStyle wxNativeFontInfo::GetStyle() const
{
- if ( m_hFont )
- ::DeleteObject((HFONT) m_hFont);
+ return lf.lfItalic ? wxFONTSTYLE_ITALIC : wxFONTSTYLE_NORMAL;
}
-wxFont::wxFont(void)
+wxFontWeight wxNativeFontInfo::GetWeight() const
{
- if ( wxTheFontList )
- wxTheFontList->Append(this);
+ if ( lf.lfWeight <= 300 )
+ return wxFONTWEIGHT_LIGHT;
+
+ if ( lf.lfWeight >= 600 )
+ return wxFONTWEIGHT_BOLD;
+
+ return wxFONTWEIGHT_NORMAL;
}
-/* Constructor for a font. Note that the real construction is done
- * in wxDC::SetFont, when information is available about scaling etc.
- */
-wxFont::wxFont(int PointSize, int Family, int Style, int Weight, bool Underlined, const wxString& Face)
+bool wxNativeFontInfo::GetUnderlined() const
{
- Create(PointSize, Family, Style, Weight, Underlined, Face);
+ return lf.lfUnderline != 0;
+}
- if ( wxTheFontList )
- wxTheFontList->Append(this);
+wxString wxNativeFontInfo::GetFaceName() const
+{
+ return lf.lfFaceName;
}
-bool wxFont::Create(int PointSize, int Family, int Style, int Weight, bool Underlined, const wxString& Face)
+wxFontFamily wxNativeFontInfo::GetFamily() const
{
- UnRef();
- m_refData = new wxFontRefData;
+ wxFontFamily family;
+
+ // extract family from pitch-and-family
+ switch ( lf.lfPitchAndFamily & ~PITCH_MASK )
+ {
+ case 0:
+ family = wxFONTFAMILY_UNKNOWN;
+ break;
+
+ case FF_ROMAN:
+ family = wxFONTFAMILY_ROMAN;
+ break;
- M_FONTDATA->m_family = Family;
- M_FONTDATA->m_style = Style;
- M_FONTDATA->m_weight = Weight;
- M_FONTDATA->m_pointSize = PointSize;
- M_FONTDATA->m_underlined = Underlined;
- M_FONTDATA->m_faceName = Face;
- M_FONTDATA->m_temporary = FALSE;
- M_FONTDATA->m_hFont = 0;
+ case FF_SWISS:
+ family = wxFONTFAMILY_SWISS;
+ break;
- RealizeResource();
+ case FF_SCRIPT:
+ family = wxFONTFAMILY_SCRIPT;
+ break;
- return TRUE;
+ case FF_MODERN:
+ family = wxFONTFAMILY_MODERN;
+ 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;
}
-wxFont::~wxFont()
+wxFontEncoding wxNativeFontInfo::GetEncoding() const
{
- if (wxTheFontList)
- wxTheFontList->DeleteObject(this);
-}
-
-bool wxFont::RealizeResource(void)
-{
- if (M_FONTDATA && !M_FONTDATA->m_hFont)
- {
- BYTE ff_italic;
- int ff_weight = 0;
- int ff_family = 0;
- wxString ff_face("");
-
- switch (M_FONTDATA->m_family)
- {
- case wxSCRIPT: ff_family = FF_SCRIPT ;
- ff_face = "Script" ;
- break ;
- case wxDECORATIVE: ff_family = FF_DECORATIVE;
- break;
- case wxROMAN: ff_family = FF_ROMAN;
- ff_face = "Times New Roman" ;
- break;
- case wxTELETYPE:
- case wxMODERN: ff_family = FF_MODERN;
- ff_face = "Courier New" ;
- break;
- case wxSWISS: ff_family = FF_SWISS;
- ff_face = "Arial";
- break;
- case wxDEFAULT:
- default: ff_family = FF_SWISS;
- ff_face = "Arial" ;
- }
-
- if (M_FONTDATA->m_style == wxITALIC || M_FONTDATA->m_style == wxSLANT)
- ff_italic = 1;
- else
- ff_italic = 0;
+ return wxGetFontEncFromCharSet(lf.lfCharSet);
+}
- if (M_FONTDATA->m_weight == wxNORMAL)
- ff_weight = FW_NORMAL;
- else if (M_FONTDATA->m_weight == wxLIGHT)
- ff_weight = FW_LIGHT;
- else if (M_FONTDATA->m_weight == wxBOLD)
- ff_weight = FW_BOLD;
+void wxNativeFontInfo::SetPointSize(int pointsize)
+{
+ // FIXME: using the screen here results in incorrect font size calculation
+ // for printing!
+ const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
-#if defined(__X__) || (defined(__WINDOWS__) && USE_PORTABLE_FONTS_IN_MSW)
- ff_face = wxTheFontNameDirectory.GetScreenName(M_FONTDATA->m_family, M_FONTDATA->m_weight, M_FONTDATA->m_style);
-#else
- ff_face = M_FONTDATA->m_faceName;
- if ( ff_face.IsNull() )
- ff_face = "";
-#endif
+ lf.lfHeight = -(int)((pointsize*((double)ppInch)/72.0) + 0.5);
+}
-/* 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);
+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();
+}
- int nHeight;
-
- if (technology != DT_RASDISPLAY && technology != DT_RASPRINTER)
+void wxNativeFontInfo::SetStyle(wxFontStyle style)
+{
+ switch ( style )
{
- // 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);
+ default:
+ wxFAIL_MSG( "unknown font style" );
+ // fall through
+
+ case wxFONTSTYLE_NORMAL:
+ lf.lfItalic = FALSE;
+ break;
+
+ case wxFONTSTYLE_ITALIC:
+ case wxFONTSTYLE_SLANT:
+ lf.lfItalic = TRUE;
+ break;
}
- else
+}
+
+void wxNativeFontInfo::SetWeight(wxFontWeight weight)
+{
+ switch ( weight )
{
- nHeight = M_FONTDATA->m_pointSize*GetDeviceCaps(dc, LOGPIXELSY)/72;
- }
-*/
- // Have to get screen DC Caps, because a metafile will return 0.
- HDC dc2 = ::GetDC(NULL);
- int ppInch = ::GetDeviceCaps(dc2, LOGPIXELSY);
- ::ReleaseDC(NULL, dc2);
-
- // 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.
- ppInch = 96;
-
-#if FONT_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
+ default:
+ wxFAIL_MSG( "unknown font weight" );
+ // fall through
- bool ff_underline = M_FONTDATA->m_underlined;
+ case wxFONTWEIGHT_NORMAL:
+ lf.lfWeight = FW_NORMAL;
+ break;
- M_FONTDATA->m_hFont = (WXHFONT) CreateFont(nHeight, 0, 0, 0,ff_weight,ff_italic,(BYTE)ff_underline,
- 0, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
- PROOF_QUALITY, DEFAULT_PITCH | ff_family, (ff_face == "" ? NULL : (const char *)ff_face));
-#ifdef DEBUG_CREATE
- if (m_hFont==NULL) wxError("Cannot create font","Internal Error") ;
-#endif
- return (M_FONTDATA->m_hFont != (WXHFONT) NULL);
- }
- return FALSE;
+ case wxFONTWEIGHT_LIGHT:
+ lf.lfWeight = FW_LIGHT;
+ break;
+
+ case wxFONTWEIGHT_BOLD:
+ lf.lfWeight = FW_BOLD;
+ break;
+ }
+}
+
+void wxNativeFontInfo::SetUnderlined(bool underlined)
+{
+ lf.lfUnderline = underlined;
+}
+
+bool wxNativeFontInfo::SetFaceName(const wxString& facename)
+{
+ wxStrlcpy(lf.lfFaceName, facename.c_str(), WXSIZEOF(lf.lfFaceName));
+ return true;
+}
+
+void wxNativeFontInfo::SetFamily(wxFontFamily family)
+{
+ BYTE ff_family = FF_DONTCARE;
+
+ switch ( family )
+ {
+ case wxFONTFAMILY_SCRIPT:
+ ff_family = FF_SCRIPT;
+ break;
+
+ case wxFONTFAMILY_DECORATIVE:
+ ff_family = FF_DECORATIVE;
+ break;
+
+ case wxFONTFAMILY_ROMAN:
+ ff_family = FF_ROMAN;
+ break;
+
+ case wxFONTFAMILY_TELETYPE:
+ case wxFONTFAMILY_MODERN:
+ ff_family = FF_MODERN;
+ break;
+
+ case wxFONTFAMILY_SWISS:
+ case wxFONTFAMILY_DEFAULT:
+ ff_family = FF_SWISS;
+ break;
+
+ case wxFONTFAMILY_UNKNOWN:
+ wxFAIL_MSG( "invalid font family" );
+ return;
+ }
+
+ wxCHECK_RET( ff_family != FF_DONTCARE, "unknown wxFontFamily" );
+
+ lf.lfPitchAndFamily = (BYTE)(DEFAULT_PITCH) | ff_family;
+
+ // 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)
+{
+ 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;
+ }
+ }
+
+ lf.lfCharSet = (BYTE)info.charset;
+}
+
+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;
+}
+
+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;
+}
+
+// ----------------------------------------------------------------------------
+// wxFont
+// ----------------------------------------------------------------------------
+
+wxFont::wxFont(const wxString& fontdesc)
+{
+ wxNativeFontInfo info;
+ if ( info.FromString(fontdesc) )
+ (void)Create(info);
}
-bool wxFont::FreeResource(bool force)
+bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
{
- if (M_FONTDATA && M_FONTDATA->m_hFont)
- {
- ::DeleteObject((HFONT) M_FONTDATA->m_hFont);
- M_FONTDATA->m_hFont = 0;
- return TRUE;
- }
- return FALSE;
+ UnRef();
+
+ m_refData = new wxFontRefData(info, hFont);
+
+ return RealizeResource();
}
-/*
-bool wxFont::UseResource(void)
+bool wxFont::DoCreate(int pointSize,
+ const wxSize& pixelSize,
+ bool sizeUsingPixels,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight weight,
+ bool underlined,
+ const wxString& faceName,
+ wxFontEncoding encoding)
{
- IncrementResourceUsage();
- return TRUE;
+ UnRef();
+
+ // 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 = wxNORMAL_FONT->GetPointSize();
+ }
+
+ m_refData = new wxFontRefData(pointSize, pixelSize, sizeUsingPixels,
+ family, style, weight,
+ underlined, faceName, encoding);
+
+ return RealizeResource();
}
-bool wxFont::ReleaseResource(void)
+wxFont::~wxFont()
{
- DecrementResourceUsage();
- return TRUE;
}
-*/
-
-WXHANDLE wxFont::GetResourceHandle(void)
+
+// ----------------------------------------------------------------------------
+// real implementation
+// ----------------------------------------------------------------------------
+
+wxGDIRefData *wxFont::CreateGDIRefData() const
{
- if ( !M_FONTDATA )
- return 0;
- else
- return (WXHANDLE)M_FONTDATA->m_hFont ;
+ return new wxFontRefData();
}
-bool wxFont::IsFree(void)
+wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const
{
- return (M_FONTDATA && (M_FONTDATA->m_hFont == 0));
+ return new wxFontRefData(*static_cast<const wxFontRefData *>(data));
}
-void wxFont::SetPointSize(const int pointSize)
+bool wxFont::RealizeResource()
{
- if ( !m_refData )
- m_refData = new wxFontRefData;
- M_FONTDATA->m_pointSize = pointSize;
+ // 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;
}
-void wxFont::SetFamily(const int family)
+bool wxFont::FreeResource(bool WXUNUSED(force))
{
- if ( !m_refData )
- m_refData = new wxFontRefData;
- M_FONTDATA->m_family = family;
+ if ( !M_FONTDATA )
+ return false;
+
+ M_FONTDATA->Free();
+
+ return true;
}
-void wxFont::SetStyle(const int style)
+WXHANDLE wxFont::GetResourceHandle() const
{
- if ( !m_refData )
- m_refData = new wxFontRefData;
- M_FONTDATA->m_style = style;
+ return (WXHANDLE)GetHFONT();
}
-void wxFont::SetWeight(const int weight)
+WXHFONT wxFont::GetHFONT() const
{
- if ( !m_refData )
- m_refData = new wxFontRefData;
- M_FONTDATA->m_weight = weight;
+ // NOTE: wxFontRefData::GetHFONT() will automatically call
+ // wxFontRefData::Alloc() if necessary
+ return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0;
}
-void wxFont::SetFaceName(const wxString& faceName)
+bool wxFont::IsFree() const
{
- if ( !m_refData )
- m_refData = new wxFontRefData;
- M_FONTDATA->m_faceName = faceName;
+ return M_FONTDATA && !M_FONTDATA->HasHFONT();
}
-void wxFont::SetUnderlined(const bool underlined)
+// ----------------------------------------------------------------------------
+// change font attribute: we recreate font when doing it
+// ----------------------------------------------------------------------------
+
+void wxFont::SetPointSize(int pointSize)
{
- if ( !m_refData )
- m_refData = new wxFontRefData;
- M_FONTDATA->m_underlined = underlined;
+ AllocExclusive();
+
+ M_FONTDATA->Free();
+ M_FONTDATA->SetPointSize(pointSize);
}
-wxString wxFont::GetFamilyString(void) const
+void wxFont::SetPixelSize(const wxSize& pixelSize)
{
- wxString fam("");
- switch (GetFamily())
- {
- case wxDECORATIVE:
- fam = "wxDECORATIVE";
- break;
- case wxROMAN:
- fam = "wxROMAN";
- break;
- case wxSCRIPT:
- fam = "wxSCRIPT";
- break;
- case wxSWISS:
- fam = "wxSWISS";
- break;
- case wxMODERN:
- fam = "wxMODERN";
- break;
- case wxTELETYPE:
- fam = "wxTELETYPE";
- break;
- default:
- fam = "wxDEFAULT";
- break;
- }
- return fam;
+ AllocExclusive();
+
+ M_FONTDATA->SetPixelSize(pixelSize);
}
-/* New font system */
-wxString wxFont::GetFaceName(void) const
+void wxFont::SetFamily(wxFontFamily family)
{
- wxString str("");
- if (M_FONTDATA)
- str = M_FONTDATA->m_faceName ;
- return str;
+ AllocExclusive();
+
+ M_FONTDATA->SetFamily(family);
}
-wxString wxFont::GetStyleString(void) const
+void wxFont::SetStyle(wxFontStyle style)
{
- wxString styl("");
- switch (GetStyle())
- {
- case wxITALIC:
- styl = "wxITALIC";
- break;
- case wxSLANT:
- styl = "wxSLANT";
- break;
- default:
- styl = "wxNORMAL";
- break;
- }
- return styl;
+ AllocExclusive();
+
+ M_FONTDATA->SetStyle(style);
}
-wxString wxFont::GetWeightString(void) const
+void wxFont::SetWeight(wxFontWeight weight)
{
- wxString w("");
- switch (GetWeight())
- {
- case wxBOLD:
- w = "wxBOLD";
- break;
- case wxLIGHT:
- w = "wxLIGHT";
- break;
- default:
- w = "wxNORMAL";
- break;
- }
- return w;
+ AllocExclusive();
+
+ M_FONTDATA->SetWeight(weight);
}
+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)
+{
+ AllocExclusive();
+
+ M_FONTDATA->SetUnderlined(underlined);
+}
+
+void wxFont::SetEncoding(wxFontEncoding encoding)
+{
+ AllocExclusive();
+
+ M_FONTDATA->SetEncoding(encoding);
+}
+
+void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
+{
+ AllocExclusive();
+
+ M_FONTDATA->SetNativeFontInfo(info);
+}
+
+// ----------------------------------------------------------------------------
+// accessors
+// ----------------------------------------------------------------------------
+
+int wxFont::GetPointSize() const
+{
+ 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( IsOk(), 0, wxT("invalid font") );
+
+ return M_FONTDATA->IsUsingSizeInPixels();
+}
+
+wxFontFamily wxFont::DoGetFamily() const
+{
+ return M_FONTDATA->GetFamily();
+}
+
+wxFontStyle wxFont::GetStyle() const
+{
+ wxCHECK_MSG( IsOk(), wxFONTSTYLE_MAX, wxT("invalid font") );
+
+ return M_FONTDATA->GetStyle();
+}
+
+wxFontWeight wxFont::GetWeight() const
+{
+ wxCHECK_MSG( IsOk(), wxFONTWEIGHT_MAX, wxT("invalid font") );
+
+ return M_FONTDATA->GetWeight();
+}
+
+bool wxFont::GetUnderlined() const
+{
+ wxCHECK_MSG( IsOk(), false, wxT("invalid font") );
+
+ return M_FONTDATA->GetUnderlined();
+}
+
+wxString wxFont::GetFaceName() const
+{
+ wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );
+
+ return M_FONTDATA->GetFaceName();
+}
+
+wxFontEncoding wxFont::GetEncoding() const
+{
+ 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