/////////////////////////////////////////////////////////////////////////////
-// 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 "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/encinfo.h"
#include "wx/fontutil.h"
-#include "wx/tokenzr.h"
+#include "wx/fontmap.h"
-#include "wx/msw/private.h"
+#ifndef __WXWINCE__
+ #include "wx/sysopt.h"
+#endif
-IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
+#include "wx/scopeguard.h"
+#include "wx/tokenzr.h"
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
-// the default font size in points
-static const int wxDEFAULT_FONT_SIZE = 12;
+// 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(wxDEFAULT_FONT_SIZE, 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)
+ wxFontRefData(const wxNativeFontInfo& info, WXHFONT hFont = 0)
{
- Init(info);
+ 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);
- void Init(const wxNativeFontInfo& info);
+ 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 );
- // If TRUE, the pointer to the actual font is temporary and SHOULD NOT BE
- // DELETED by destructor
- bool m_temporary;
+ otm->otmSize = otmSize;
+ if ( !GetOutlineTextMetrics(hdc, otmSize, otm) )
+ {
+ wxLogLastError("GetOutlineTextMetrics()");
+ return wxString();
+ }
- int m_fontId;
+ // 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);
+ }
- // font characterstics
- int m_pointSize;
- int m_family;
- int m_style;
- int m_weight;
- bool m_underlined;
- wxString m_faceName;
- wxFontEncoding m_encoding;
+ // are we using m_nativeFontInfo.lf.lfHeight for point size or pixel size?
+ bool m_sizeUsingPixels;
- // Windows font handle
- WXHFONT m_hFont;
+ // 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,
- 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);
- m_fontId = 0;
- m_temporary = FALSE;
+ SetStyle(style);
+ SetWeight(weight);
+ SetUnderlined(underlined);
- m_hFont = 0;
+ // set the family/facename
+ SetFamily(family);
+ if ( !faceName.empty() )
+ SetFaceName(faceName);
- m_nativeFontInfoOk = FALSE;
+ // 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)
+void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
{
- // extract family from pitch-and-family
- int lfFamily = info.lf.lfPitchAndFamily;
- if ( lfFamily & FIXED_PITCH )
- lfFamily -= FIXED_PITCH;
- if ( lfFamily & VARIABLE_PITCH )
- lfFamily -= VARIABLE_PITCH;
+ // 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;
+}
- switch ( lfFamily )
+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);
+}
+
+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
+{
+ return lf.lfFaceName;
+}
+
+wxFontFamily wxNativeFontInfo::GetFamily() const
+{
+ wxFontFamily family;
+
+ // extract family from pitch-and-family
+ switch ( lf.lfPitchAndFamily & ~PITCH_MASK )
+ {
+ case 0:
+ family = wxFONTFAMILY_UNKNOWN;
+ break;
+
case FF_ROMAN:
- m_family = wxROMAN;
+ family = wxFONTFAMILY_ROMAN;
break;
case FF_SWISS:
- m_family = wxSWISS;
+ family = wxFONTFAMILY_SWISS;
break;
case FF_SCRIPT:
- m_family = wxSCRIPT;
+ family = wxFONTFAMILY_SCRIPT;
break;
case FF_MODERN:
- m_family = wxMODERN;
+ family = wxFONTFAMILY_MODERN;
break;
case FF_DECORATIVE:
- m_family = wxDECORATIVE;
+ family = wxFONTFAMILY_DECORATIVE;
break;
default:
- m_family = wxSWISS;
+ wxFAIL_MSG( "unknown LOGFONT::lfFamily value" );
+ family = wxFONTFAMILY_UNKNOWN;
+ // just to avoid a warning
}
- // weight and style
- switch ( info.lf.lfWeight )
+ 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 )
{
- case FW_LIGHT:
- m_weight = wxLIGHT;
+ 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;
+ }
+}
+
+void wxNativeFontInfo::SetWeight(wxFontWeight weight)
+{
+ switch ( weight )
+ {
default:
- case FW_NORMAL:
- m_weight = wxNORMAL;
+ wxFAIL_MSG( "unknown font weight" );
+ // fall through
+
+ case wxFONTWEIGHT_NORMAL:
+ lf.lfWeight = FW_NORMAL;
break;
- case FW_BOLD:
- m_weight = wxBOLD;
+ 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;
+}
- m_style = info.lf.lfItalic ? wxITALIC : wxNORMAL;
+void wxNativeFontInfo::SetFamily(wxFontFamily family)
+{
+ BYTE ff_family = FF_DONTCARE;
- m_underlined = info.lf.lfUnderline != 0;
+ switch ( family )
+ {
+ case wxFONTFAMILY_SCRIPT:
+ ff_family = FF_SCRIPT;
+ break;
- m_faceName = info.lf.lfFaceName;
+ case wxFONTFAMILY_DECORATIVE:
+ ff_family = FF_DECORATIVE;
+ break;
- int height = abs(info.lf.lfHeight);
+ case wxFONTFAMILY_ROMAN:
+ ff_family = FF_ROMAN;
+ break;
- // remember that 1pt = 1/72inch
- const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
- m_pointSize = (int) (((72.0*((double)height))/(double) ppInch) + 0.5);
+ case wxFONTFAMILY_TELETYPE:
+ case wxFONTFAMILY_MODERN:
+ ff_family = FF_MODERN;
+ break;
+
+ case wxFONTFAMILY_SWISS:
+ case wxFONTFAMILY_DEFAULT:
+ ff_family = FF_SWISS;
+ break;
- m_encoding = wxGetFontEncFromCharSet(info.lf.lfCharSet);
+ case wxFONTFAMILY_UNKNOWN:
+ wxFAIL_MSG( "invalid font family" );
+ return;
+ }
- m_fontId = 0;
- m_temporary = FALSE;
+ wxCHECK_RET( ff_family != FF_DONTCARE, "unknown wxFontFamily" );
- m_hFont = 0;
+ lf.lfPitchAndFamily = (BYTE)(DEFAULT_PITCH) | ff_family;
- m_nativeFontInfoOk = TRUE;
- m_nativeFontInfo = info;
+ // reset the facename so that CreateFontIndirect() will automatically choose a
+ // face name based only on the font family.
+ lf.lfFaceName[0] = '\0';
}
-wxFontRefData::~wxFontRefData()
+void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
{
- if ( m_hFont )
+ wxNativeEncodingInfo info;
+ if ( !wxGetNativeFontEncoding(encoding, &info) )
{
- if ( !::DeleteObject((HFONT) m_hFont) )
+#if wxUSE_FONTMAP
+ if ( wxFontMapper::Get()->GetAltForEncoding(encoding, &info) )
{
- wxLogLastError(wxT("DeleteObject(font)"));
+ 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;
}
}
-}
-
-// ----------------------------------------------------------------------------
-// wxNativeFontInfo
-// ----------------------------------------------------------------------------
+ lf.lfCharSet = (BYTE)info.charset;
+}
bool wxNativeFontInfo::FromString(const wxString& s)
{
long l;
- wxStringTokenizer tokenizer(s, _T(";"));
+ wxStringTokenizer tokenizer(s, wxS(";"), wxTOKEN_RET_EMPTY_ALL);
+ // first the version
wxString token = tokenizer.GetNextToken();
- //
- // Ignore the version for now
- //
+ if ( token != wxS('0') )
+ return false;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
lf.lfHeight = l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
lf.lfWidth = l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
lf.lfEscapement = l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
lf.lfOrientation = l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
lf.lfWeight = l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
lf.lfItalic = (BYTE)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
lf.lfUnderline = (BYTE)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
lf.lfStrikeOut = (BYTE)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
lf.lfCharSet = (BYTE)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
lf.lfOutPrecision = (BYTE)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
lf.lfClipPrecision = (BYTE)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
lf.lfQuality = (BYTE)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
lf.lfPitchAndFamily = (BYTE)l;
- token = tokenizer.GetNextToken();
- if(!token)
- return FALSE;
- wxStrcpy(lf.lfFaceName, token.c_str());
+ if ( !tokenizer.HasMoreTokens() )
+ return false;
- return TRUE;
+ // the face name may be empty
+ SetFaceName(tokenizer.GetNextToken());
+
+ return true;
}
wxString wxNativeFontInfo::ToString() const
{
wxString s;
- s.Printf(_T("%d;%d;%d;%d;%d;%d;%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)
{
- if ( wxTheFontList )
- wxTheFontList->Append(this);
+ wxNativeFontInfo info;
+ if ( info.FromString(fontdesc) )
+ (void)Create(info);
}
-bool wxFont::Create(const wxNativeFontInfo& info)
+bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
{
UnRef();
- m_refData = new wxFontRefData(info);
+ 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::Create(int pointSize,
- int family,
- int style,
- int weight,
- bool underlined,
- const wxString& faceName,
- wxFontEncoding encoding)
+bool wxFont::DoCreate(int pointSize,
+ const wxSize& pixelSize,
+ bool sizeUsingPixels,
+ wxFontFamily family,
+ wxFontStyle style,
+ wxFontWeight weight,
+ bool underlined,
+ const wxString& faceName,
+ wxFontEncoding encoding)
{
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 = wxDEFAULT_FONT_SIZE;
+ {
+ pointSize = wxNORMAL_FONT->GetPointSize();
+ }
- m_refData = new wxFontRefData(pointSize, family, style, weight,
+ m_refData = new wxFontRefData(pointSize, pixelSize, sizeUsingPixels,
+ family, style, weight,
underlined, faceName, encoding);
- RealizeResource();
-
- return TRUE;
+ return RealizeResource();
}
wxFont::~wxFont()
{
- if ( wxTheFontList )
- wxTheFontList->DeleteObject(this);
}
// ----------------------------------------------------------------------------
// 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;
- }
-
- if(!M_FONTDATA->m_nativeFontInfoOk)
- {
- wxFillLogFont(&M_FONTDATA->m_nativeFontInfo.lf, this);
- M_FONTDATA->m_nativeFontInfoOk = TRUE;
- }
-
- M_FONTDATA->m_hFont = (WXHFONT)::CreateFontIndirect(&M_FONTDATA->m_nativeFontInfo.lf);
- M_FONTDATA->m_faceName = M_FONTDATA->m_nativeFontInfo.lf.lfFaceName;
- if ( !M_FONTDATA->m_hFont )
- {
- wxLogLastError(wxT("CreateFont"));
+ return new wxFontRefData();
+}
- return FALSE;
- }
+wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const
+{
+ return new wxFontRefData(*static_cast<const wxFontRefData *>(data));
+}
- return TRUE;
+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() )
- {
- if ( !::DeleteObject((HFONT) M_FONTDATA->m_hFont) )
- {
- wxLogLastError(wxT("DeleteObject(font)"));
- }
+ if ( !M_FONTDATA )
+ return false;
- M_FONTDATA->m_hFont = 0;
+ M_FONTDATA->Free();
- return TRUE;
- }
- return FALSE;
+ return true;
}
-WXHANDLE wxFont::GetResourceHandle()
+WXHANDLE wxFont::GetResourceHandle() const
{
- return GetHFONT();
+ return (WXHANDLE)GetHFONT();
}
WXHFONT wxFont::GetHFONT() const
{
- if ( !M_FONTDATA )
- return 0;
- else
- return (WXHANDLE)M_FONTDATA->m_hFont;
+ // 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->m_hFont == 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();
-
- M_FONTDATA->m_pointSize = pointSize;
- M_FONTDATA->m_nativeFontInfoOk = FALSE;
+ AllocExclusive();
- RealizeResource();
+ M_FONTDATA->Free();
+ M_FONTDATA->SetPointSize(pointSize);
}
-void wxFont::SetFamily(int family)
+void wxFont::SetPixelSize(const wxSize& pixelSize)
{
- Unshare();
+ AllocExclusive();
- M_FONTDATA->m_family = family;
- M_FONTDATA->m_nativeFontInfoOk = FALSE;
-
- RealizeResource();
+ M_FONTDATA->SetPixelSize(pixelSize);
}
-void wxFont::SetStyle(int style)
+void wxFont::SetFamily(wxFontFamily family)
{
- Unshare();
-
- M_FONTDATA->m_style = style;
- M_FONTDATA->m_nativeFontInfoOk = FALSE;
+ AllocExclusive();
- RealizeResource();
+ M_FONTDATA->SetFamily(family);
}
-void wxFont::SetWeight(int weight)
+void wxFont::SetStyle(wxFontStyle style)
{
- Unshare();
+ AllocExclusive();
- M_FONTDATA->m_weight = weight;
- M_FONTDATA->m_nativeFontInfoOk = FALSE;
-
- 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->m_nativeFontInfoOk = FALSE;
+ 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();
+ AllocExclusive();
- M_FONTDATA->m_underlined = underlined;
- M_FONTDATA->m_nativeFontInfoOk = FALSE;
-
- RealizeResource();
+ M_FONTDATA->SetUnderlined(underlined);
}
void wxFont::SetEncoding(wxFontEncoding encoding)
{
- Unshare();
-
- M_FONTDATA->m_encoding = encoding;
- M_FONTDATA->m_nativeFontInfoOk = FALSE;
+ AllocExclusive();
- RealizeResource();
+ M_FONTDATA->SetEncoding(encoding);
}
-void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info)
+void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
{
- Unshare();
+ AllocExclusive();
- FreeResource();
-
- M_FONTDATA->Init(info);
-
- 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->m_pointSize;
+ return M_FONTDATA->GetPointSize();
}
-int wxFont::GetFamily() const
+wxSize wxFont::GetPixelSize() const
{
- wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+ wxCHECK_MSG( IsOk(), wxDefaultSize, wxT("invalid font") );
- return M_FONTDATA->m_family;
+ return M_FONTDATA->GetPixelSize();
}
-int wxFont::GetFontId() const
+bool wxFont::IsUsingSizeInPixels() const
{
- wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+ wxCHECK_MSG( IsOk(), 0, wxT("invalid font") );
+
+ return M_FONTDATA->IsUsingSizeInPixels();
+}
- return M_FONTDATA->m_fontId;
+wxFontFamily wxFont::DoGetFamily() const
+{
+ 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->m_style;
+ 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->m_weight;
+ 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->m_underlined;
+ return M_FONTDATA->GetUnderlined();
}
wxString wxFont::GetFaceName() const
{
- wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );
+ wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );
- return M_FONTDATA->m_faceName;
+ 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->m_encoding;
+ return M_FONTDATA->GetEncoding();
}
-wxNativeFontInfo *wxFont::GetNativeFontInfo() const
+const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
{
- if( M_FONTDATA->m_nativeFontInfoOk )
- return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo);
-
- return 0;
+ 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