X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/debe6624c1e9d4bf3243381153d1e173c849bcd8..c13cace12594b37706e9520a6fbd602c949f8127:/src/msw/font.cpp diff --git a/src/msw/font.cpp b/src/msw/font.cpp index 48a127d8f9..472b616884 100644 --- a/src/msw/font.cpp +++ b/src/msw/font.cpp @@ -6,62 +6,160 @@ // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + #ifdef __GNUG__ -#pragma implementation "font.h" + #pragma implementation "font.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #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" -#endif + #include + #include "wx/setup.h" + #include "wx/list.h" + #include "wx/utils.h" + #include "wx/app.h" + #include "wx/font.h" +#endif // WX_PRECOMP #include "wx/msw/private.h" -#include "assert.h" -#if !USE_SHARED_LIBRARIES IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject) -#if USE_PORTABLE_FONTS_IN_MSW -IMPLEMENT_DYNAMIC_CLASS(wxFontNameDirectory, wxObject) -#endif +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- -#endif +// the default font size in points +static const int wxDEFAULT_FONT_SIZE = 12; + +// ---------------------------------------------------------------------------- +// wxFontRefData - the internal description of the font +// ---------------------------------------------------------------------------- -wxFontRefData::wxFontRefData(void) +class WXDLLEXPORT wxFontRefData: public wxGDIRefData { - 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; +friend class WXDLLEXPORT wxFont; + +public: + 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; + } + + wxFontRefData(int size, + int family, + int style, + int weight, + bool underlined, + const wxString& faceName, + wxFontEncoding encoding) + { + Init(size, family, style, weight, underlined, faceName, encoding); + } + + virtual ~wxFontRefData(); + +protected: + // common part of all ctors + void Init(int size, + int family, + int style, + int weight, + bool underlined, + 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; + + // font characterstics + int m_pointSize; + int m_family; + int m_style; + int m_weight; + bool m_underlined; + wxString m_faceName; + wxFontEncoding m_encoding; + + // Windows font handle + WXHFONT m_hFont; +}; + +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxFontRefData +// ---------------------------------------------------------------------------- + +void wxFontRefData::Init(int pointSize, + int family, + int style, + int 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_fontId = 0; + m_temporary = FALSE; + + m_hFont = 0; } -wxFontRefData::~wxFontRefData(void) +wxFontRefData::~wxFontRefData() { - if ( m_hFont ) - ::DeleteObject((HFONT) m_hFont); + if ( m_hFont ) + { + if ( !::DeleteObject((HFONT) m_hFont) ) + { + wxLogLastError(wxT("DeleteObject(font)")); + } + } } -wxFont::wxFont(void) +// ---------------------------------------------------------------------------- +// wxFont +// ---------------------------------------------------------------------------- + +void wxFont::Init() { if ( wxTheFontList ) wxTheFontList->Append(this); @@ -70,293 +168,222 @@ wxFont::wxFont(void) /* 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 wxFont::Create(int pointSize, + int family, + int style, + int weight, + bool underlined, + const wxString& faceName, + wxFontEncoding encoding) { - Create(PointSize, Family, Style, Weight, Underlined, Face); - - if ( wxTheFontList ) - wxTheFontList->Append(this); -} + UnRef(); -bool wxFont::Create(int PointSize, int Family, int Style, int Weight, bool Underlined, const wxString& Face) -{ - UnRef(); - m_refData = new wxFontRefData; + // 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; - 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; + m_refData = new wxFontRefData(pointSize, family, style, weight, + underlined, faceName, encoding); - RealizeResource(); + RealizeResource(); - return TRUE; + return TRUE; } wxFont::~wxFont() { - if (wxTheFontList) - wxTheFontList->DeleteObject(this); + if ( wxTheFontList ) + wxTheFontList->DeleteObject(this); } -bool wxFont::RealizeResource(void) +// ---------------------------------------------------------------------------- +// real implementation +// ---------------------------------------------------------------------------- + +bool wxFont::RealizeResource() { - 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) + if ( GetResourceHandle() ) { - 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" ; + // 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_style == wxITALIC || M_FONTDATA->m_style == wxSLANT) - ff_italic = 1; - else - ff_italic = 0; - - 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; - -#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 - -/* 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); - - int nHeight; - - if (technology != DT_RASDISPLAY && technology != DT_RASPRINTER) + LOGFONT lf; + wxFillLogFont(&lf, this); + M_FONTDATA->m_hFont = (WXHFONT)::CreateFontIndirect(&lf); + M_FONTDATA->m_faceName = lf.lfFaceName; + if ( !M_FONTDATA->m_hFont ) { - // 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); - } - else - { - 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 + wxLogLastError(wxT("CreateFont")); - bool ff_underline = M_FONTDATA->m_underlined; + return FALSE; + } - 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; + return TRUE; } bool wxFont::FreeResource(bool force) { - if (M_FONTDATA && M_FONTDATA->m_hFont) - { - ::DeleteObject((HFONT) M_FONTDATA->m_hFont); - M_FONTDATA->m_hFont = 0; - return TRUE; - } - return FALSE; + if ( GetResourceHandle() ) + { + if ( !::DeleteObject((HFONT) M_FONTDATA->m_hFont) ) + { + wxLogLastError(wxT("DeleteObject(font)")); + } + + M_FONTDATA->m_hFont = 0; + + return TRUE; + } + return FALSE; } -/* -bool wxFont::UseResource(void) +WXHANDLE wxFont::GetResourceHandle() { - IncrementResourceUsage(); - return TRUE; + return GetHFONT(); } -bool wxFont::ReleaseResource(void) +WXHFONT wxFont::GetHFONT() const { - DecrementResourceUsage(); - return TRUE; + if ( !M_FONTDATA ) + return 0; + else + return (WXHANDLE)M_FONTDATA->m_hFont; } -*/ - -WXHANDLE wxFont::GetResourceHandle(void) + +bool wxFont::IsFree() const { - if ( !M_FONTDATA ) - return 0; - else - return (WXHANDLE)M_FONTDATA->m_hFont ; + return (M_FONTDATA && (M_FONTDATA->m_hFont == 0)); } -bool wxFont::IsFree(void) +void wxFont::Unshare() { - return (M_FONTDATA && (M_FONTDATA->m_hFont == 0)); + // Don't change shared data + if ( !m_refData ) + { + m_refData = new wxFontRefData(); + } + else + { + wxFontRefData* ref = new wxFontRefData(*M_FONTDATA); + UnRef(); + m_refData = ref; + } } +// ---------------------------------------------------------------------------- +// change font attribute: we recreate font when doing it +// ---------------------------------------------------------------------------- + void wxFont::SetPointSize(int pointSize) { - if ( !m_refData ) - m_refData = new wxFontRefData; + Unshare(); + M_FONTDATA->m_pointSize = pointSize; + + RealizeResource(); } void wxFont::SetFamily(int family) { - if ( !m_refData ) - m_refData = new wxFontRefData; + Unshare(); + M_FONTDATA->m_family = family; + + RealizeResource(); } void wxFont::SetStyle(int style) { - if ( !m_refData ) - m_refData = new wxFontRefData; + Unshare(); + M_FONTDATA->m_style = style; + + RealizeResource(); } void wxFont::SetWeight(int weight) { - if ( !m_refData ) - m_refData = new wxFontRefData; + Unshare(); + M_FONTDATA->m_weight = weight; + + RealizeResource(); } void wxFont::SetFaceName(const wxString& faceName) { - if ( !m_refData ) - m_refData = new wxFontRefData; + Unshare(); + M_FONTDATA->m_faceName = faceName; + + RealizeResource(); } void wxFont::SetUnderlined(bool underlined) { - if ( !m_refData ) - m_refData = new wxFontRefData; + Unshare(); + M_FONTDATA->m_underlined = underlined; + + RealizeResource(); +} + +void wxFont::SetEncoding(wxFontEncoding encoding) +{ + Unshare(); + + M_FONTDATA->m_encoding = encoding; + + RealizeResource(); +} + +// ---------------------------------------------------------------------------- +// accessors +// ---------------------------------------------------------------------------- + +int wxFont::GetPointSize() const +{ + return M_FONTDATA->m_pointSize; +} + +int wxFont::GetFamily() const +{ + return M_FONTDATA->m_family; +} + +int wxFont::GetFontId() const +{ + return M_FONTDATA->m_fontId; +} + +int wxFont::GetStyle() const +{ + return M_FONTDATA->m_style; } -wxString wxFont::GetFamilyString(void) const +int wxFont::GetWeight() const { - 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; + return M_FONTDATA->m_weight; } -/* New font system */ -wxString wxFont::GetFaceName(void) const +bool wxFont::GetUnderlined() const { - wxString str(""); - if (M_FONTDATA) - str = M_FONTDATA->m_faceName ; - return str; + return M_FONTDATA->m_underlined; } -wxString wxFont::GetStyleString(void) const +wxString wxFont::GetFaceName() const { - wxString styl(""); - switch (GetStyle()) - { - case wxITALIC: - styl = "wxITALIC"; - break; - case wxSLANT: - styl = "wxSLANT"; - break; - default: - styl = "wxNORMAL"; - break; - } - return styl; + wxString str; + if ( M_FONTDATA ) + str = M_FONTDATA->m_faceName; + return str; } -wxString wxFont::GetWeightString(void) const +wxFontEncoding wxFont::GetEncoding() const { - wxString w(""); - switch (GetWeight()) - { - case wxBOLD: - w = "wxBOLD"; - break; - case wxLIGHT: - w = "wxLIGHT"; - break; - default: - w = "wxNORMAL"; - break; - } - return w; + return M_FONTDATA->m_encoding; }