X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/68c957045a3919d9ac241a1e775c233bb6d1a793..69659fd770f615210efac4b4fa741b3ad6223616:/src/msw/font.cpp diff --git a/src/msw/font.cpp b/src/msw/font.cpp index 5534e9ecd9..eec88f8c06 100644 --- a/src/msw/font.cpp +++ b/src/msw/font.cpp @@ -39,6 +39,10 @@ #include "wx/fontutil.h" #include "wx/fontmap.h" +#ifndef __WXWINCE__ + #include "wx/sysopt.h" +#endif + #include "wx/tokenzr.h" #if wxUSE_EXTENDED_RTTI @@ -145,7 +149,7 @@ public: virtual ~wxFontRefData(); // operations - bool Alloc(wxFont *font); + bool Alloc(const wxFont *font); void Free(); @@ -207,11 +211,26 @@ public: : m_encoding; } - WXHFONT GetHFONT() const { return m_hFont; } + 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 + // ... 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); @@ -225,6 +244,8 @@ public: void SetPixelSize(const wxSize& pixelSize) { + Free(); + if ( m_nativeFontInfoOk ) { m_nativeFontInfo.SetPixelSize(pixelSize); @@ -238,11 +259,15 @@ public: void SetFamily(int family) { + Free(); + m_family = family; } void SetStyle(int style) { + Free(); + if ( m_nativeFontInfoOk ) m_nativeFontInfo.SetStyle((wxFontStyle)style); else @@ -251,6 +276,8 @@ public: void SetWeight(int weight) { + Free(); + if ( m_nativeFontInfoOk ) m_nativeFontInfo.SetWeight((wxFontWeight)weight); else @@ -259,15 +286,19 @@ public: bool SetFaceName(const wxString& faceName) { + Free(); + if ( m_nativeFontInfoOk ) return m_nativeFontInfo.SetFaceName(faceName); - m_faceName = faceName; + m_faceName = faceName; return true; } void SetUnderlined(bool underlined) { + Free(); + if ( m_nativeFontInfoOk ) m_nativeFontInfo.SetUnderlined(underlined); else @@ -276,18 +307,28 @@ public: void SetEncoding(wxFontEncoding encoding) { + Free(); + if ( m_nativeFontInfoOk ) m_nativeFontInfo.SetEncoding(encoding); else m_encoding = encoding; } - // native font info tests + // 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, @@ -302,7 +343,7 @@ protected: void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0); - // font characterstics + // font characteristics int m_pointSize; wxSize m_pixelSize; bool m_sizeUsingPixels; @@ -313,8 +354,8 @@ protected: wxString m_faceName; wxFontEncoding m_encoding; - // Windows font handle - WXHFONT m_hFont; + // Windows font handle, created on demand in GetHFONT() + HFONT m_hFont; // Native font info wxNativeFontInfo m_nativeFontInfo; @@ -363,7 +404,7 @@ 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_hFont = (HFONT)hFont; m_nativeFontInfoOk = true; m_nativeFontInfo = info; @@ -377,7 +418,7 @@ wxFontRefData::~wxFontRefData() Free(); } -bool wxFontRefData::Alloc(wxFont *font) +bool wxFontRefData::Alloc(const wxFont *font) { if ( !m_nativeFontInfoOk ) { @@ -385,14 +426,13 @@ bool wxFontRefData::Alloc(wxFont *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; } @@ -400,7 +440,7 @@ void wxFontRefData::Free() { if ( m_hFont ) { - if ( !::DeleteObject((HFONT) m_hFont) ) + if ( !::DeleteObject(m_hFont) ) { wxLogLastError(wxT("DeleteObject(font)")); } @@ -417,12 +457,16 @@ void wxNativeFontInfo::Init() { wxZeroMemory(lf); - // we get better font quality if we use this instead of DEFAULT_QUALITY - // apparently without any drawbacks + // 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 = PROOF_QUALITY; + lf.lfQuality = wxSystemOptions::GetOptionInt(_T("msw.font.no-proof-quality")) + ? DEFAULT_QUALITY + : PROOF_QUALITY; #endif } @@ -432,7 +476,8 @@ 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 @@ -791,7 +836,7 @@ wxString wxNativeFontInfo::ToString() const lf.lfClipPrecision, lf.lfQuality, lf.lfPitchAndFamily, - lf.lfFaceName); + (const wxChar*)lf.lfFaceName); return s; } @@ -806,9 +851,7 @@ bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont) m_refData = new wxFontRefData(info, hFont); - RealizeResource(); - - return true; + return RealizeResource(); } wxFont::wxFont(const wxString& fontdesc) @@ -818,9 +861,6 @@ wxFont::wxFont(const wxString& 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, @@ -844,9 +884,7 @@ bool wxFont::DoCreate(int pointSize, family, style, weight, underlined, faceName, encoding); - RealizeResource(); - - return true; + return RealizeResource(); } wxFont::~wxFont() @@ -857,28 +895,33 @@ wxFont::~wxFont() // real implementation // ---------------------------------------------------------------------------- +wxObjectRefData *wxFont::CreateRefData() const +{ + return new wxFontRefData(); +} + +wxObjectRefData *wxFont::CloneRefData(const wxObjectRefData *data) const +{ + return new wxFontRefData(*wx_static_cast(const wxFontRefData *, data)); +} + bool wxFont::RealizeResource() { - if ( GetResourceHandle() ) - { - // VZ: the old code returned false in this case, but it doesn't seem - // to make sense because the font _was_ created + // don't do anything if we already have a valid font + if ( GetHFONT() ) return true; - } return M_FONTDATA->Alloc(this); } bool wxFont::FreeResource(bool WXUNUSED(force)) { - if ( GetResourceHandle() ) - { - M_FONTDATA->Free(); + if ( !GetHFONT() ) + return false; - return true; - } + M_FONTDATA->Free(); - return false; + return true; } WXHANDLE wxFont::GetResourceHandle() const @@ -888,27 +931,12 @@ WXHANDLE wxFont::GetResourceHandle() const WXHFONT wxFont::GetHFONT() const { - return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0; + return M_FONTDATA ? M_FONTDATA->GetHFONT(this) : 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(); } // ---------------------------------------------------------------------------- @@ -917,56 +945,46 @@ void wxFont::Unshare() 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) { - Unshare(); + AllocExclusive(); M_FONTDATA->SetFamily(family); - - RealizeResource(); } void wxFont::SetStyle(int style) { - Unshare(); + AllocExclusive(); M_FONTDATA->SetStyle(style); - - RealizeResource(); } void wxFont::SetWeight(int weight) { - Unshare(); + AllocExclusive(); M_FONTDATA->SetWeight(weight); - - RealizeResource(); } bool wxFont::SetFaceName(const wxString& faceName) { - Unshare(); + AllocExclusive(); - bool refdataok = M_FONTDATA->SetFaceName(faceName); - - RealizeResource(); + 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 @@ -975,36 +993,28 @@ bool wxFont::SetFaceName(const wxString& faceName) // without any validity check. // Thus we use wxFontBase::SetFaceName to check if facename // is valid... - return refdataok && wxFontBase::SetFaceName(faceName); + 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(); + AllocExclusive(); - FreeResource(); - - *M_FONTDATA = wxFontRefData(info); - - RealizeResource(); + M_FONTDATA->SetNativeFontInfo(info); } // ---------------------------------------------------------------------------- @@ -1020,6 +1030,8 @@ int wxFont::GetPointSize() const wxSize wxFont::GetPixelSize() const { + wxCHECK_MSG( Ok(), wxDefaultSize, wxT("invalid font") ); + return M_FONTDATA->GetPixelSize(); } @@ -1074,12 +1086,14 @@ wxFontEncoding wxFont::GetEncoding() const const wxNativeFontInfo *wxFont::GetNativeFontInfo() const { - return M_FONTDATA->HasNativeFontInfo() ? &(M_FONTDATA->GetNativeFontInfo()) + return Ok() && M_FONTDATA->HasNativeFontInfo() ? &(M_FONTDATA->GetNativeFontInfo()) : NULL; } wxString wxFont::GetNativeFontInfoDesc() const { + wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") ); + // be sure we have an HFONT associated... wxConstCast(this, wxFont)->RealizeResource(); return wxFontBase::GetNativeFontInfoDesc(); @@ -1087,6 +1101,8 @@ wxString wxFont::GetNativeFontInfoDesc() const wxString wxFont::GetNativeFontInfoUserDesc() const { + wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") ); + // be sure we have an HFONT associated... wxConstCast(this, wxFont)->RealizeResource(); return wxFontBase::GetNativeFontInfoUserDesc();