X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3ca6a5f04692678cd2d9f3ea0843fc3f5a0b254f..5541d1fda4b73af86e42b2f43724f0c063a352d0:/src/msw/font.cpp?ds=sidebyside diff --git a/src/msw/font.cpp b/src/msw/font.cpp index 472b616884..16993de878 100644 --- a/src/msw/font.cpp +++ b/src/msw/font.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// 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) wxWindows team +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -29,24 +29,29 @@ #endif #ifndef WX_PRECOMP - #include #include "wx/setup.h" #include "wx/list.h" #include "wx/utils.h" #include "wx/app.h" #include "wx/font.h" + #include "wx/log.h" #endif // WX_PRECOMP #include "wx/msw/private.h" +#include "wx/fontutil.h" +#include "wx/fontmap.h" + +#include "wx/tokenzr.h" + IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject) // ---------------------------------------------------------------------------- // 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 @@ -54,21 +59,12 @@ static const int wxDEFAULT_FONT_SIZE = 12; 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, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, + FALSE, _T(""), wxFONTENCODING_DEFAULT); } wxFontRefData(int size, @@ -82,8 +78,140 @@ public: 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, @@ -94,11 +222,7 @@ protected: const wxString& faceName, wxFontEncoding encoding); - // If TRUE, the pointer to the actual font is temporary and SHOULD NOT BE - // DELETED by destructor - bool m_temporary; - - int m_fontId; + void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0); // font characterstics int m_pointSize; @@ -111,6 +235,10 @@ protected: // Windows font handle WXHFONT m_hFont; + + // Native font info + wxNativeFontInfo m_nativeFontInfo; + bool m_nativeFontInfoOk; }; // ============================================================================ @@ -130,7 +258,7 @@ void wxFontRefData::Init(int pointSize, wxFontEncoding encoding) { m_style = style; - m_pointSize = pointSize; + m_pointSize = pointSize == -1 ? wxNORMAL_FONT->GetPointSize() : pointSize; m_family = family; m_style = style; m_weight = weight; @@ -138,13 +266,50 @@ void wxFontRefData::Init(int pointSize, m_faceName = faceName; m_encoding = encoding; - m_fontId = 0; - m_temporary = FALSE; - 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 ) { @@ -152,7 +317,339 @@ wxFontRefData::~wxFontRefData() { 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 + + case wxFONTWEIGHT_NORMAL: + lf.lfWeight = FW_NORMAL; + break; + + case wxFONTWEIGHT_LIGHT: + lf.lfWeight = FW_LIGHT; + break; + + case wxFONTWEIGHT_BOLD: + lf.lfWeight = FW_BOLD; + break; + } +} + +void wxNativeFontInfo::SetUnderlined(bool underlined) +{ + lf.lfUnderline = underlined; +} + +void wxNativeFontInfo::SetFaceName(wxString facename) +{ + wxStrncpy(lf.lfFaceName, facename, WXSIZEOF(lf.lfFaceName)); +} + +void wxNativeFontInfo::SetFamily(wxFontFamily family) +{ + int ff_family; + wxString facename; + + switch ( family ) + { + case wxSCRIPT: + ff_family = FF_SCRIPT; + facename = _T("Script"); + break; + + case wxDECORATIVE: + ff_family = FF_DECORATIVE; + facename = _T("Old English Text MT"); + break; + + case wxROMAN: + ff_family = FF_ROMAN; + facename = _T("Times New Roman"); + break; + + case wxTELETYPE: + case wxMODERN: + ff_family = FF_MODERN; + facename = _T("Courier New"); + break; + + case wxSWISS: + ff_family = FF_SWISS; + facename = _T("Arial"); + break; + + case wxDEFAULT: + default: + ff_family = FF_SWISS; + facename = _T("MS Sans Serif"); + } + + lf.lfPitchAndFamily = DEFAULT_PITCH | ff_family; + + if ( !wxStrlen(lf.lfFaceName) ) + { + SetFaceName(facename); + } +} + +void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding) +{ + wxNativeEncodingInfo info; + if ( !wxGetNativeFontEncoding(encoding, &info) ) + { +#if wxUSE_FONTMAP + if ( wxTheFontMapper->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 = info.charset; +} + +bool wxNativeFontInfo::FromString(const wxString& s) +{ + long l; + + wxStringTokenizer tokenizer(s, _T(";")); + + // first the version + wxString token = tokenizer.GetNextToken(); + if ( token != _T('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; + + token = tokenizer.GetNextToken(); + if(!token) + return FALSE; + wxStrcpy(lf.lfFaceName, token.c_str()); + + 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"), + 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; } // ---------------------------------------------------------------------------- @@ -161,8 +658,24 @@ wxFontRefData::~wxFontRefData() void wxFont::Init() { - if ( wxTheFontList ) - wxTheFontList->Append(this); +} + +bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont) +{ + UnRef(); + + m_refData = new wxFontRefData(info, hFont); + + RealizeResource(); + + return TRUE; +} + +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 @@ -181,7 +694,9 @@ bool wxFont::Create(int pointSize, // 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, underlined, faceName, encoding); @@ -193,8 +708,6 @@ bool wxFont::Create(int pointSize, wxFont::~wxFont() { - if ( wxTheFontList ) - wxTheFontList->DeleteObject(this); } // ---------------------------------------------------------------------------- @@ -210,33 +723,18 @@ bool wxFont::RealizeResource() return TRUE; } - LOGFONT lf; - wxFillLogFont(&lf, this); - M_FONTDATA->m_hFont = (WXHFONT)::CreateFontIndirect(&lf); - M_FONTDATA->m_faceName = lf.lfFaceName; - if ( !M_FONTDATA->m_hFont ) - { - wxLogLastError(wxT("CreateFont")); - - return FALSE; - } - - return TRUE; + return M_FONTDATA->Alloc(this); } -bool wxFont::FreeResource(bool force) +bool wxFont::FreeResource(bool WXUNUSED(force)) { if ( GetResourceHandle() ) { - if ( !::DeleteObject((HFONT) M_FONTDATA->m_hFont) ) - { - wxLogLastError(wxT("DeleteObject(font)")); - } - - M_FONTDATA->m_hFont = 0; + M_FONTDATA->Free(); return TRUE; } + return FALSE; } @@ -247,15 +745,12 @@ WXHANDLE wxFont::GetResourceHandle() WXHFONT wxFont::GetHFONT() const { - if ( !M_FONTDATA ) - return 0; - else - return (WXHANDLE)M_FONTDATA->m_hFont; + return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0; } bool wxFont::IsFree() const { - return (M_FONTDATA && (M_FONTDATA->m_hFont == 0)); + return M_FONTDATA && (M_FONTDATA->GetHFONT() == 0); } void wxFont::Unshare() @@ -281,7 +776,7 @@ void wxFont::SetPointSize(int pointSize) { Unshare(); - M_FONTDATA->m_pointSize = pointSize; + M_FONTDATA->SetPointSize(pointSize); RealizeResource(); } @@ -290,7 +785,7 @@ void wxFont::SetFamily(int family) { Unshare(); - M_FONTDATA->m_family = family; + M_FONTDATA->SetFamily(family); RealizeResource(); } @@ -299,7 +794,7 @@ void wxFont::SetStyle(int style) { Unshare(); - M_FONTDATA->m_style = style; + M_FONTDATA->SetStyle(style); RealizeResource(); } @@ -308,7 +803,7 @@ void wxFont::SetWeight(int weight) { Unshare(); - M_FONTDATA->m_weight = weight; + M_FONTDATA->SetWeight(weight); RealizeResource(); } @@ -317,7 +812,7 @@ void wxFont::SetFaceName(const wxString& faceName) { Unshare(); - M_FONTDATA->m_faceName = faceName; + M_FONTDATA->SetFaceName(faceName); RealizeResource(); } @@ -326,7 +821,7 @@ void wxFont::SetUnderlined(bool underlined) { Unshare(); - M_FONTDATA->m_underlined = underlined; + M_FONTDATA->SetUnderlined(underlined); RealizeResource(); } @@ -335,7 +830,18 @@ void wxFont::SetEncoding(wxFontEncoding encoding) { Unshare(); - M_FONTDATA->m_encoding = encoding; + M_FONTDATA->SetEncoding(encoding); + + RealizeResource(); +} + +void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info) +{ + Unshare(); + + FreeResource(); + + *M_FONTDATA = wxFontRefData(info); RealizeResource(); } @@ -346,44 +852,73 @@ void wxFont::SetEncoding(wxFontEncoding encoding) int wxFont::GetPointSize() const { - return M_FONTDATA->m_pointSize; + wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); + + return M_FONTDATA->GetPointSize(); } int wxFont::GetFamily() const { - return M_FONTDATA->m_family; -} + wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); -int wxFont::GetFontId() const -{ - return M_FONTDATA->m_fontId; + return M_FONTDATA->GetFamily(); } int wxFont::GetStyle() const { - return M_FONTDATA->m_style; + wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); + + return M_FONTDATA->GetStyle(); } int wxFont::GetWeight() const { - return M_FONTDATA->m_weight; + wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); + + return M_FONTDATA->GetWeight(); } bool wxFont::GetUnderlined() const { - return M_FONTDATA->m_underlined; + wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") ); + + return M_FONTDATA->GetUnderlined(); } wxString wxFont::GetFaceName() const { - wxString str; - if ( M_FONTDATA ) - str = M_FONTDATA->m_faceName; - return str; + wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") ); + + return M_FONTDATA->GetFaceName(); } wxFontEncoding wxFont::GetEncoding() const { - return M_FONTDATA->m_encoding; + wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") ); + + return M_FONTDATA->GetEncoding(); +} + +wxNativeFontInfo *wxFont::GetNativeFontInfo() const +{ + if ( M_FONTDATA->HasNativeFontInfo() ) + return new wxNativeFontInfo(M_FONTDATA->GetNativeFontInfo()); + + return 0; +} + +bool wxFont::IsFixedWidth() const +{ + if ( M_FONTDATA->HasNativeFontInfo() ) + { + // the two low-order bits specify the pitch of the font, the rest is + // family + BYTE pitch = M_FONTDATA->GetNativeFontInfo(). + lf.lfPitchAndFamily & PITCH_MASK; + + return pitch == FIXED_PITCH; + } + + return wxFontBase::IsFixedWidth(); }