cache the item text size to optimize tree layout/painting (#9956)

[wxWidgets.git] / src / mgl / fontutil.cpp

diff --git a/src/mgl/fontutil.cpp b/src/mgl/fontutil.cpp
index a899e033f63936fbca0954fc67d27d7ab7fe9f23..16a7f0dabcdb651c36c2116e6250fe2752ecfd8c 100644 (file)
--- a/src/mgl/fontutil.cpp
+++ b/src/mgl/fontutil.cpp
@@ -1,18 +1,13 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        mgl/fontutil.cpp
+// Name:        src/mgl/fontutil.cpp

 // Purpose:     Font helper functions for MGL
 // Author:      Vaclav Slavik
 // Created:     2001/04/29
 // RCS-ID:      $Id$
 // Purpose:     Font helper functions for MGL
 // Author:      Vaclav Slavik
 // Created:     2001/04/29
 // RCS-ID:      $Id$

-// Copyright:   (c) 2001, Vaclav Slavik
-// Licence:     wxWindows license
+// Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-
-#ifdef __GNUG__
-    #pragma implementation "fontutil.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -21,17 +16,19 @@
 #endif
 
 #ifndef WX_PRECOMP
 #endif
 
 #ifndef WX_PRECOMP

-#endif // PCH
-
+    #include "wx/hash.h"
+    #include "wx/log.h"
+#endif

 
 #include "wx/fontutil.h"
 
 #include "wx/fontutil.h"

+#include "wx/encinfo.h"

 #include "wx/fontmap.h"
 #include "wx/tokenzr.h"
 #include "wx/fontmap.h"
 #include "wx/tokenzr.h"

-#include "wx/hash.h"
-#include "wx/module.h"
+

 #include "wx/listimpl.cpp"
 #include "wx/listimpl.cpp"

-#include "wx/log.h"
+#include "wx/sysopt.h"

 #include "wx/mgl/private.h"
 #include "wx/mgl/private.h"

+#include "wx/private/fontmgr.h"

 
 #include <mgraph.h>
 
 
 #include <mgraph.h>
 


@@ -52,20 +49,20 @@ bool wxNativeEncodingInfo::FromString(const wxString& s)
     wxString encid = tokenizer.GetNextToken();
     long enc;
     if ( !encid.ToLong(&enc) )
     wxString encid = tokenizer.GetNextToken();
     long enc;
     if ( !encid.ToLong(&enc) )

-        return FALSE;
+        return false;

     encoding = (wxFontEncoding)enc;
 
     // ok even if empty
     facename = tokenizer.GetNextToken();
 
     encoding = (wxFontEncoding)enc;
 
     // ok even if empty
     facename = tokenizer.GetNextToken();
 

-    return TRUE;
+    return true;

 }
 
 wxString wxNativeEncodingInfo::ToString() const
 {
     wxString s;
     s << (long)encoding;
 }
 
 wxString wxNativeEncodingInfo::ToString() const
 {
     wxString s;
     s << (long)encoding;

-    if ( !!facename )
+    if ( !facename.empty() )

     {
         s << _T(';') << facename;
     }
     {
         s << _T(';') << facename;
     }


@@ -80,7 +77,7 @@ wxString wxNativeEncodingInfo::ToString() const
 bool wxGetNativeFontEncoding(wxFontEncoding encoding,
                              wxNativeEncodingInfo *info)
 {
 bool wxGetNativeFontEncoding(wxFontEncoding encoding,
                              wxNativeEncodingInfo *info)
 {

-    wxCHECK_MSG( info, FALSE, _T("bad pointer in wxGetNativeFontEncoding") );
+    wxCHECK_MSG( info, false, _T("bad pointer in wxGetNativeFontEncoding") );

 
     if ( encoding == wxFONTENCODING_DEFAULT )
     {
 
     if ( encoding == wxFONTENCODING_DEFAULT )
     {


@@ -129,328 +126,29 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding,
 
         default:
             // encoding not known to MGL
 
         default:
             // encoding not known to MGL

-            return FALSE;
+            return false;

     }
 
     info->encoding = encoding;
 
     }
 
     info->encoding = encoding;
 

-    return TRUE;
+    return true;

 }
 
 bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
 {
     if ( !info.facename )
 }
 
 bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
 {
     if ( !info.facename )

-        return TRUE;
-        
-    wxMGLFontFamily *family = wxTheFontsManager->GetFamily(info.facename);
-    if ( !family )
-        return FALSE;
-    if ( family->GetInfo()->fontLibType == MGL_BITMAPFONT_LIB )
+        return true;
+
+    wxFontBundle *bundle = wxFontsManager::Get()->GetBundle(info.facename);
+    if ( !bundle )
+        return false;
+    if ( bundle->GetInfo()->fontLibType == MGL_BITMAPFONT_LIB )
+    {

         return (info.mglEncoding == MGL_ENCODING_ASCII ||
                 info.mglEncoding == MGL_ENCODING_ISO8859_1 ||
                 info.mglEncoding == MGL_ENCODING_ISO8859_15 ||
                 info.mglEncoding == MGL_ENCODING_CP1252);
         return (info.mglEncoding == MGL_ENCODING_ASCII ||
                 info.mglEncoding == MGL_ENCODING_ISO8859_1 ||
                 info.mglEncoding == MGL_ENCODING_ISO8859_15 ||
                 info.mglEncoding == MGL_ENCODING_CP1252);

-    else
-        return TRUE;
-}
-
-
-// ----------------------------------------------------------------------------
-// wxFontFamily, wxMGLFontInstance, wxMGLFontLibrary
-// ----------------------------------------------------------------------------
-
-WX_DECLARE_LIST(wxMGLFontInstance, wxMGLFontInstanceList);
-WX_DEFINE_LIST(wxMGLFontInstanceList);
-WX_DEFINE_LIST(wxMGLFontFamilyList);
-
-wxMGLFontInstance::wxMGLFontInstance(wxMGLFontLibrary *fontLib, 
-                                     float pt, bool slant, bool aa)
-{
-    m_fontLib = fontLib;
-    m_font = NULL;
-    m_pt = pt;
-    m_slant = slant;
-    m_aa = aa;
-
-    float slantAngle = m_slant ? 15.0 : 0.0;
-
-    wxLogTrace("mgl_font", "loading instance of '%s' slant=%i pt=%0.1f aa=%i", 
-               m_fontLib->GetMGLfont_lib_t()->name, m_slant, m_pt, m_aa);
-    m_font = MGL_loadFontInstance(m_fontLib->GetMGLfont_lib_t(), 
-                                  m_pt, slantAngle, 0.0, aa);
-    wxASSERT_MSG( m_font, wxT("Cannot create font instance.") );
-}
-
-wxMGLFontInstance::~wxMGLFontInstance()
-{
-    wxLogTrace("mgl_font", "unloading instance of '%s' slant=%i pt=%0.1f aa=%i", 
-               m_fontLib->GetMGLfont_lib_t()->name, m_slant, m_pt, m_aa);
-    if ( m_font )
-        MGL_unloadFontInstance(m_font);
-}
-    
-wxMGLFontLibrary::wxMGLFontLibrary(const wxString& filename, int type)
-{
-    m_type = type;
-    m_fileName = filename;
-    m_refs = 0;
-    m_fontLib = NULL;
-
-    m_instances = new wxMGLFontInstanceList;
-    m_instances->DeleteContents(TRUE);
-}
-
-wxMGLFontLibrary::~wxMGLFontLibrary()
-{
-    wxLogTrace("mgl_font", "font library dtor '%s'", m_fileName.mb_str());
-    delete m_instances;
-}
-    
-void wxMGLFontLibrary::IncRef()
-{
-    wxLogTrace("mgl_font", "incRef(%u) '%s'", m_refs, m_fileName.c_str());
-    if ( m_refs++ == 0 )
-    {
-        wxLogTrace("mgl_font", "opening library '%s'", m_fileName.mb_str());
-        m_fontLib = MGL_openFontLib(m_fileName.mb_str());

     }
     }

-}
-
-void wxMGLFontLibrary::DecRef()
-{
-    wxLogTrace("mgl_font", "decRef(%u) '%s'", m_refs, m_fileName.c_str());
-    if ( --m_refs == 0 )
-    {
-        wxLogTrace("mgl_font", "killing instances of '%s'", m_fileName.mb_str());
-        m_instances->Clear();
-        wxLogTrace("mgl_font", "closing library '%s'", m_fileName.mb_str());
-        MGL_closeFontLib(m_fontLib);
-        m_fontLib = NULL;
-    }
-}
-
-wxMGLFontInstance *wxMGLFontLibrary::GetFontInstance(wxFont *font, 
-                                                     float scale, bool aa)
-{
-    wxASSERT_MSG(m_refs > 0 && m_fontLib, wxT("font library not loaded!"));
-
-    wxString facename;
-    bool slant;
-    bool antialiased = 
-        (m_fontLib->fontLibType == MGL_BITMAPFONT_LIB) ? FALSE : aa;
-    float pt = (float)font->GetPointSize() * scale;
-
-    slant = (((m_type & wxFONTFACE_ITALIC) == 0) &&
-             (font->GetStyle() == wxSLANT || font->GetStyle() == wxITALIC));
-
-    // FIXME_MGL -- MGL does not yet support slant, although the API is there
-    slant = FALSE;
-
-    wxLogTrace("mgl_font", "requested instance of '%s' slant=%i pt=%0.1f aa=%i", 
-               m_fileName.mb_str(), slant, pt, antialiased);
-
-    wxMGLFontInstance *i;
-    wxMGLFontInstanceList::Node *node;
-    
-    for (node = m_instances->GetFirst(); node; node = node->GetNext())
-    {
-        i = node->GetData();
-        if ( i->GetPt() == pt && i->GetSlant() == slant &&
-             i->GetAA() == antialiased )
-        {
-            wxLogTrace("mgl_font", "    got from cache: slant=%i pt=%0.1f aa=%i", 
-                       i->GetSlant(), i->GetPt(), i->GetAA());
-            return i;
-        }
-    }    
-    
-    i = new wxMGLFontInstance(this, pt, slant, antialiased);
-    m_instances->Append(i);
-    return i;   
-}
-
-
-wxMGLFontFamily::wxMGLFontFamily(const font_info_t *info)
-{
-    m_name = info->familyName;
-    m_fontInfo = info;
-    
-    if ( info->regularFace[0] == '\0' )
-        m_fontLibs[wxFONTFACE_REGULAR] = NULL;
-    else
-        m_fontLibs[wxFONTFACE_REGULAR] = 
-            new wxMGLFontLibrary(info->regularFace, wxFONTFACE_REGULAR);
-    
-    if ( info->italicFace[0] == '\0' )
-        m_fontLibs[wxFONTFACE_ITALIC] = NULL;
-    else
-        m_fontLibs[wxFONTFACE_ITALIC] = 
-            new wxMGLFontLibrary(info->italicFace, wxFONTFACE_ITALIC);
-    
-    if ( info->boldFace[0] == '\0' )
-        m_fontLibs[wxFONTFACE_BOLD] = NULL;

     else
     else

-        m_fontLibs[wxFONTFACE_BOLD] = 
-            new wxMGLFontLibrary(info->boldFace, wxFONTFACE_BOLD);
-    
-    if ( info->boldItalicFace[0] == '\0' )
-        m_fontLibs[wxFONTFACE_BOLD_ITALIC] = NULL;
-    else
-        m_fontLibs[wxFONTFACE_BOLD_ITALIC] = 
-            new wxMGLFontLibrary(info->boldItalicFace, wxFONTFACE_BOLD_ITALIC);
-            
-    wxLogTrace("mgl_font", "new family '%s' (r=%s, i=%s, b=%s, bi=%s)\n",
-               info->familyName, info->regularFace, info->italicFace, 
-               info->boldFace, info->boldItalicFace);
-}
-
-wxMGLFontFamily::~wxMGLFontFamily()
-{
-    for (size_t i = 0; i < wxFONTFACE_MAX; i++)
-        delete m_fontLibs[i];
-}
-
-bool wxMGLFontFamily::HasFace(int type) const
-{
-    return (m_fontLibs[type] != NULL);
-}
-
-
-// ----------------------------------------------------------------------------
-// wxFontsManager
-// ----------------------------------------------------------------------------
-
-wxMGLFontLibrary *wxFontsManager::GetFontLibrary(wxFont *font)
-{
-    wxMGLFontFamily *family;
-    wxString facename;
-    int type;
-    
-    if ( facename )
-        family = GetFamily(font->GetFaceName());
-    else
-        family = NULL;
-    if ( family )
-        facename = font->GetFaceName();
-    else
-        facename.Empty();
-    
-    if ( !family )
-    {
-        switch (font->GetFamily())
-        {
-            case wxSCRIPT:
-                facename = wxT("Script");
-                break;
-            case wxDECORATIVE:
-                facename = wxT("Charter");
-                break;
-            case wxROMAN:
-                facename = wxT("Times");
-                break;
-            case wxTELETYPE:
-            case wxMODERN:
-                facename = wxT("Courier");
-                break;
-            case wxSWISS:
-                facename = wxT("Helvetica");
-                break;
-            case wxDEFAULT:
-            default:
-                facename = wxT("Helvetica");
-                break;
-        }
-
-        family = GetFamily(facename);
-        if ( !family )
-        {
-           if ( m_list->GetFirst() )
-               family = m_list->GetFirst()->GetData();
-           else
-               wxFAIL_MSG(wxT("Fatal error, no fonts available!"));
-        }
-    }
-
-    type = wxFONTFACE_REGULAR;
-
-    if ( font->GetWeight() == wxBOLD )
-        type |= wxFONTFACE_BOLD;
-
-    // FIXME_MGL -- this should read "if ( font->GetStyle() == wxITALIC )",
-    // but since MGL does not yet support slant, we try to display it with
-    // italic face (better than nothing...)
-    if ( font->GetStyle() == wxITALIC || font->GetStyle() == wxSLANT )
-    {
-        if ( family->HasFace(type | wxFONTFACE_ITALIC) )
-            type |= wxFONTFACE_ITALIC;
-    }
-    if ( !family->HasFace(type) )
-    {
-        for (int i = 0; i < wxFONTFACE_MAX; i++)
-            if ( family->HasFace(i) )
-            {
-                type = i;
-                break;
-            }
-    }
-    
-    return family->GetLibrary(type);
-}
-
-static ibool enum_callback(const font_info_t *info, void *cookie)
-{
-    wxFontsManager *db = (wxFontsManager*)cookie;
-    db->AddFamily(info);
-    return TRUE;
-}
-
-wxFontsManager::wxFontsManager()
-{
-    m_hash = new wxHashTable(wxKEY_STRING);
-    m_hash->DeleteContents(FALSE);
-    m_list = new wxMGLFontFamilyList;
-    m_list->DeleteContents(TRUE);
-    MGL_enumerateFonts(enum_callback, (void*)this);
-}
-
-wxFontsManager::~wxFontsManager()
-{
-    delete m_hash;
-    delete m_list;
-}
-
-void wxFontsManager::AddFamily(const font_info_t *info)
-{
-    wxMGLFontFamily *f = new wxMGLFontFamily(info);
-    m_hash->Put(f->GetName().Lower(), f);
-    m_list->Append(f);
+        return true;

 }
 }

-        
-wxMGLFontFamily *wxFontsManager::GetFamily(const wxString& name) const
-{
-    return (wxMGLFontFamily*)m_hash->Get(name.Lower());
-}
-
-
-wxFontsManager *wxTheFontsManager = NULL;
-
-
-// A module that takes care of fonts DB initialization and destruction:
-
-class wxFontutilModule: public wxModule
-{
-DECLARE_DYNAMIC_CLASS(wxFontutilModule)
-public:
-    wxFontutilModule() {}
-    bool OnInit() 
-    {
-        wxTheFontsManager = new wxFontsManager;
-        return TRUE; 
-    }
-    void OnExit() 
-    { 
-        delete wxTheFontsManager;
-    }
-};
-
-IMPLEMENT_DYNAMIC_CLASS(wxFontutilModule, wxModule)