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///////////////////////////////////////////////////////////////////////////// |
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// Name: src/common/fontmgrcmn.cpp |
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// Purpose: font management for ports that don't have their own |
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// Author: Vaclav Slavik |
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// Created: 2006-11-18 |
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// RCS-ID: $Id: fontmgrcmn.cpp 54757 2008-07-21 17:34:48Z VZ $ |
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// Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com) |
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// (c) 2006 REA Elektronik GmbH |
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// Licence: wxWindows licence |
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///////////////////////////////////////////////////////////////////////////// |
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|
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// For compilers that support precompilation, includes "wx.h". |
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#include "wx/wxprec.h" |
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|
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#ifdef __BORLANDC__ |
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#pragma hdrstop |
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#endif |
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|
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#include "wx/private/fontmgr.h" |
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|
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#include "wx/listimpl.cpp" |
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#include "wx/hashmap.h" |
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|
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WX_DECLARE_LIST(wxFontInstance, wxFontInstanceList); |
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WX_DEFINE_LIST(wxFontInstanceList) |
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WX_DEFINE_LIST(wxFontBundleList) |
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|
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WX_DECLARE_HASH_MAP(wxString, wxFontBundle*, |
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wxStringHash, wxStringEqual, |
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wxFontBundleHashBase); |
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// in STL build, hash class is typedef to a template, so it can't be forward |
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// declared, as we do; solve it by having a dummy class: |
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class wxFontBundleHash : public wxFontBundleHashBase |
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{ |
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}; |
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|
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// ============================================================================ |
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// implementation |
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// ============================================================================ |
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|
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// ---------------------------------------------------------------------------- |
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// wxFontFaceBase |
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// ---------------------------------------------------------------------------- |
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|
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wxFontFaceBase::wxFontFaceBase() |
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: m_refCnt(0) |
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{ |
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m_instances = new wxFontInstanceList; |
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m_instances->DeleteContents(true); |
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} |
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|
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wxFontFaceBase::~wxFontFaceBase() |
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{ |
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delete m_instances; |
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} |
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|
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void wxFontFaceBase::Acquire() |
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{ |
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m_refCnt++; |
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} |
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|
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void wxFontFaceBase::Release() |
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{ |
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if ( --m_refCnt == 0 ) |
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{ |
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m_instances->Clear(); |
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} |
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} |
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|
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wxFontInstance *wxFontFaceBase::GetFontInstance(float ptSize, bool aa) |
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{ |
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wxASSERT_MSG( m_refCnt > 0, _T("font library not loaded!") ); |
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|
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for ( wxFontInstanceList::const_iterator i = m_instances->begin(); |
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i != m_instances->end(); ++i ) |
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{ |
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if ( (*i)->GetPointSize() == ptSize && (*i)->IsAntiAliased() == aa ) |
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return *i; |
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} |
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|
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wxFontInstance *i = CreateFontInstance(ptSize, aa); |
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m_instances->Append(i); |
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return i; |
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} |
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|
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// ---------------------------------------------------------------------------- |
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// wxFontBundleBase |
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// ---------------------------------------------------------------------------- |
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|
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wxFontBundleBase::wxFontBundleBase() |
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{ |
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for (int i = 0; i < FaceType_Max; i++) |
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m_faces[i] = NULL; |
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} |
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|
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wxFontBundleBase::~wxFontBundleBase() |
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{ |
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for (int i = 0; i < FaceType_Max; i++) |
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delete m_faces[i]; |
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} |
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|
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wxFontFace *wxFontBundleBase::GetFace(FaceType type) const |
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{ |
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wxFontFace *f = m_faces[type]; |
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|
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wxCHECK_MSG( f, NULL, _T("no such face in font bundle") ); |
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|
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f->Acquire(); |
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|
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return f; |
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} |
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|
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wxFontFace * |
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wxFontBundleBase::GetFaceForFont(const wxFontMgrFontRefData& font) const |
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{ |
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wxASSERT_MSG( font.GetFaceName().empty() || font.GetFaceName() == GetName(), |
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_T("calling GetFaceForFont for incompatible font") ); |
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|
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int type = FaceType_Regular; |
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|
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if ( font.GetWeight() == wxBOLD ) |
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type |= FaceType_Bold; |
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|
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// FIXME -- this should read "if ( font->GetStyle() == wxITALIC )", |
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// but since MGL neither DFB supports slant, we try to display it with |
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// italic face (better than nothing...) |
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if ( font.GetStyle() == wxITALIC || font.GetStyle() == wxSLANT ) |
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{ |
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if ( HasFace((FaceType)(type | FaceType_Italic)) ) |
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type |= FaceType_Italic; |
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} |
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|
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if ( !HasFace((FaceType)type) ) |
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{ |
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for (int i = 0; i < FaceType_Max; i++) |
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{ |
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if ( HasFace((FaceType)i) ) |
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return GetFace((FaceType)i); |
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} |
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|
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wxFAIL_MSG( _T("no face") ); |
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return NULL; |
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} |
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|
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return GetFace((FaceType)type); |
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} |
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|
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// ---------------------------------------------------------------------------- |
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// wxFontsManagerBase |
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// ---------------------------------------------------------------------------- |
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|
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wxFontsManager *wxFontsManagerBase::ms_instance = NULL; |
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|
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wxFontsManagerBase::wxFontsManagerBase() |
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{ |
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m_hash = new wxFontBundleHash(); |
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m_list = new wxFontBundleList; |
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m_list->DeleteContents(true); |
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} |
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|
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wxFontsManagerBase::~wxFontsManagerBase() |
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{ |
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delete m_hash; |
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delete m_list; |
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} |
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|
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/* static */ |
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wxFontsManager *wxFontsManagerBase::Get() |
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{ |
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if ( !ms_instance ) |
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ms_instance = new wxFontsManager(); |
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return ms_instance; |
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} |
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|
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/* static */ |
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void wxFontsManagerBase::CleanUp() |
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{ |
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wxDELETE(ms_instance); |
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} |
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|
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wxFontBundle *wxFontsManagerBase::GetBundle(const wxString& name) const |
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{ |
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return (*m_hash)[name.Lower()]; |
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} |
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|
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wxFontBundle * |
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wxFontsManagerBase::GetBundleForFont(const wxFontMgrFontRefData& font) const |
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{ |
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wxFontBundle *bundle = NULL; |
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|
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wxString facename = font.GetFaceName(); |
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if ( !facename.empty() ) |
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bundle = GetBundle(facename); |
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|
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if ( !bundle ) |
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{ |
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facename = GetDefaultFacename((wxFontFamily)font.GetFamily()); |
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if ( !facename.empty() ) |
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bundle = GetBundle(facename); |
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} |
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|
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if ( !bundle ) |
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{ |
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if ( m_list->GetFirst() ) |
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bundle = m_list->GetFirst()->GetData(); |
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else |
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wxFAIL_MSG(wxT("Fatal error, no fonts available!")); |
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} |
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|
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return bundle; |
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} |
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|
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void wxFontsManagerBase::AddBundle(wxFontBundle *bundle) |
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{ |
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(*m_hash)[bundle->GetName().Lower()] = bundle; |
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m_list->Append(bundle); |
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} |
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|
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|
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// ---------------------------------------------------------------------------- |
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// wxFontMgrFontRefData |
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// ---------------------------------------------------------------------------- |
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|
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wxFontMgrFontRefData::wxFontMgrFontRefData(int size, |
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int family, |
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int style, |
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int weight, |
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bool underlined, |
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const wxString& faceName, |
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wxFontEncoding encoding) |
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{ |
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if ( family == wxDEFAULT ) |
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family = wxSWISS; |
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if ( style == wxDEFAULT ) |
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style = wxNORMAL; |
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if ( weight == wxDEFAULT ) |
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weight = wxNORMAL; |
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if ( size == wxDEFAULT ) |
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size = 12; |
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|
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m_info.family = (wxFontFamily)family; |
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m_info.faceName = faceName; |
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m_info.style = (wxFontStyle)style; |
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m_info.weight = (wxFontWeight)weight; |
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m_info.pointSize = size; |
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m_info.underlined = underlined; |
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m_info.encoding = encoding; |
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|
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m_noAA = false; |
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|
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m_fontFace = NULL; |
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m_fontBundle = NULL; |
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m_fontValid = false; |
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} |
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|
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wxFontMgrFontRefData::wxFontMgrFontRefData(const wxFontMgrFontRefData& data) |
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{ |
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m_info = data.m_info; |
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m_noAA = data.m_noAA; |
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|
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m_fontFace = data.m_fontFace; |
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m_fontBundle = data.m_fontBundle; |
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m_fontValid = data.m_fontValid; |
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if ( m_fontFace ) |
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m_fontFace->Acquire(); |
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} |
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|
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wxFontMgrFontRefData::~wxFontMgrFontRefData() |
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{ |
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if ( m_fontFace ) |
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m_fontFace->Release(); |
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} |
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|
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wxFontBundle *wxFontMgrFontRefData::GetFontBundle() const |
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{ |
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wxConstCast(this, wxFontMgrFontRefData)->EnsureValidFont(); |
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return m_fontBundle; |
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} |
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|
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wxFontInstance * |
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wxFontMgrFontRefData::GetFontInstance(float scale, bool antialiased) const |
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{ |
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wxConstCast(this, wxFontMgrFontRefData)->EnsureValidFont(); |
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return m_fontFace->GetFontInstance(m_info.pointSize * scale, |
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antialiased && !m_noAA); |
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} |
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|
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void wxFontMgrFontRefData::SetPointSize(int pointSize) |
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{ |
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m_info.pointSize = pointSize; |
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m_fontValid = false; |
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} |
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|
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void wxFontMgrFontRefData::SetFamily(int family) |
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{ |
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m_info.family = (wxFontFamily)family; |
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m_fontValid = false; |
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} |
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|
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void wxFontMgrFontRefData::SetStyle(int style) |
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{ |
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m_info.style = (wxFontStyle)style; |
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m_fontValid = false; |
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} |
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|
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void wxFontMgrFontRefData::SetWeight(int weight) |
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{ |
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m_info.weight = (wxFontWeight)weight; |
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m_fontValid = false; |
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} |
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|
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void wxFontMgrFontRefData::SetFaceName(const wxString& faceName) |
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{ |
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m_info.faceName = faceName; |
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m_fontValid = false; |
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} |
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|
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void wxFontMgrFontRefData::SetUnderlined(bool underlined) |
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{ |
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m_info.underlined = underlined; |
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m_fontValid = false; |
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} |
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|
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void wxFontMgrFontRefData::SetEncoding(wxFontEncoding encoding) |
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{ |
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m_info.encoding = encoding; |
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m_fontValid = false; |
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} |
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|
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void wxFontMgrFontRefData::SetNoAntiAliasing(bool no) |
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{ |
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m_noAA = no; |
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} |
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|
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|
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void wxFontMgrFontRefData::EnsureValidFont() |
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{ |
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if ( !m_fontValid ) |
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{ |
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wxFontFace *old = m_fontFace; |
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|
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m_fontBundle = wxFontsManager::Get()->GetBundleForFont(*this); |
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m_fontFace = m_fontBundle->GetFaceForFont(*this); |
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|
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if ( old ) |
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old->Release(); |
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} |
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} |
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