/////////////////////////////////////////////////////////////////////////////
-// Name: mgl/fontutil.cpp
+// Name: src/mgl/fontutil.cpp
// Purpose: Font helper functions for MGL
// Author: Vaclav Slavik
// Created: 2001/04/29
// RCS-ID: $Id$
-// 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"
#endif
#ifndef WX_PRECOMP
-#endif // PCH
-
+ #include "wx/hash.h"
+ #include "wx/log.h"
+#endif
#include "wx/fontutil.h"
+#include "wx/encinfo.h"
#include "wx/fontmap.h"
#include "wx/tokenzr.h"
-#include "wx/hash.h"
-#include "wx/module.h"
+
#include "wx/listimpl.cpp"
-#include "wx/log.h"
+#include "wx/sysopt.h"
#include "wx/mgl/private.h"
#include <mgraph.h>
wxString encid = tokenizer.GetNextToken();
long enc;
if ( !encid.ToLong(&enc) )
- return FALSE;
+ return false;
encoding = (wxFontEncoding)enc;
// ok even if empty
facename = tokenizer.GetNextToken();
- return TRUE;
+ return true;
}
wxString wxNativeEncodingInfo::ToString() const
{
wxString s;
s << (long)encoding;
- if ( !!facename )
+ if ( !facename.empty() )
{
s << _T(';') << facename;
}
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 )
{
default:
// encoding not known to MGL
- return FALSE;
+ return false;
}
info->encoding = encoding;
- return TRUE;
+ return true;
}
bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
{
if ( !info.facename )
- return TRUE;
-
+ return true;
+
wxMGLFontFamily *family = wxTheFontsManager->GetFamily(info.facename);
if ( !family )
- return FALSE;
+ return false;
if ( family->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);
else
- return TRUE;
+ return true;
}
// ----------------------------------------------------------------------------
WX_DECLARE_LIST(wxMGLFontInstance, wxMGLFontInstanceList);
-WX_DEFINE_LIST(wxMGLFontInstanceList);
-WX_DEFINE_LIST(wxMGLFontFamilyList);
+WX_DEFINE_LIST(wxMGLFontInstanceList)
+WX_DEFINE_LIST(wxMGLFontFamilyList)
-wxMGLFontInstance::wxMGLFontInstance(wxMGLFontLibrary *fontLib,
+wxMGLFontInstance::wxMGLFontInstance(wxMGLFontLibrary *fontLib,
float pt, bool slant, bool aa)
{
m_fontLib = fontLib;
float slantAngle = m_slant ? 15.0 : 0.0;
- wxLogTrace("mgl_font", "loading instance of '%s' slant=%i pt=%0.1f aa=%i",
+ 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_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",
+ 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)
+
+wxMGLFontLibrary::wxMGLFontLibrary(const wxString& filename, int type,
+ wxMGLFontFamily *parentFamily)
{
+ m_family = parentFamily;
m_type = type;
m_fileName = filename;
m_refs = 0;
m_fontLib = NULL;
m_instances = new wxMGLFontInstanceList;
- m_instances->DeleteContents(TRUE);
+ 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());
}
}
-wxMGLFontInstance *wxMGLFontLibrary::GetFontInstance(wxFont *font,
+static int gs_antialiasingThreshold = -1;
+
+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) &&
+ if ( gs_antialiasingThreshold == -1 )
+ {
+ gs_antialiasingThreshold = 10;
+#if wxUSE_SYSTEM_OPTIONS
+ if ( wxSystemOptions::HasOption(wxT("mgl.aa-threshold")) )
+ gs_antialiasingThreshold =
+ wxSystemOptions::GetOptionInt(wxT("mgl.aa-threshold"));
+ wxLogTrace("mgl_font", "AA threshold set to %i", gs_antialiasingThreshold);
+#endif
+ }
+
+ // Small characters don't look good when antialiased with the algorithm
+ // that FreeType uses (mere 2x2 supersampling), so lets disable it AA
+ // completely for small fonts.
+ bool antialiased = false;
+ if (( pt > gs_antialiasingThreshold ) &&
+ ( m_fontLib->fontLibType != MGL_BITMAPFONT_LIB ) )
+ antialiased = aa;
+
+ bool 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;
+ slant = false;
- wxLogTrace("mgl_font", "requested instance of '%s' slant=%i pt=%0.1f aa=%i",
+ 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",
+ 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;
+ return i;
}
{
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);
-
+ m_fontLibs[wxFONTFACE_REGULAR] =
+ new wxMGLFontLibrary(info->regularFace, wxFONTFACE_REGULAR, this);
+
if ( info->italicFace[0] == '\0' )
m_fontLibs[wxFONTFACE_ITALIC] = NULL;
else
- m_fontLibs[wxFONTFACE_ITALIC] =
- new wxMGLFontLibrary(info->italicFace, wxFONTFACE_ITALIC);
-
+ m_fontLibs[wxFONTFACE_ITALIC] =
+ new wxMGLFontLibrary(info->italicFace, wxFONTFACE_ITALIC, this);
+
if ( info->boldFace[0] == '\0' )
m_fontLibs[wxFONTFACE_BOLD] = NULL;
else
- m_fontLibs[wxFONTFACE_BOLD] =
- new wxMGLFontLibrary(info->boldFace, wxFONTFACE_BOLD);
-
+ m_fontLibs[wxFONTFACE_BOLD] =
+ new wxMGLFontLibrary(info->boldFace, wxFONTFACE_BOLD, this);
+
if ( info->boldItalicFace[0] == '\0' )
m_fontLibs[wxFONTFACE_BOLD_ITALIC] = NULL;
else
- m_fontLibs[wxFONTFACE_BOLD_ITALIC] =
- new wxMGLFontLibrary(info->boldItalicFace, wxFONTFACE_BOLD_ITALIC);
-
+ m_fontLibs[wxFONTFACE_BOLD_ITALIC] =
+ new wxMGLFontLibrary(info->boldItalicFace, wxFONTFACE_BOLD_ITALIC, this);
+
wxLogTrace("mgl_font", "new family '%s' (r=%s, i=%s, b=%s, bi=%s)\n",
- info->familyName, info->regularFace, info->italicFace,
+ info->familyName, info->regularFace, info->italicFace,
info->boldFace, info->boldItalicFace);
}
wxMGLFontLibrary *wxFontsManager::GetFontLibrary(wxFont *font)
{
wxMGLFontFamily *family;
- wxString facename;
int type;
-
- if ( facename )
- family = GetFamily(font->GetFaceName());
+ wxString facename = font->GetFaceName();
+
+ if ( !facename.empty() )
+ family = GetFamily(facename);
else
family = NULL;
- if ( family )
- facename = font->GetFaceName();
- else
- facename.Empty();
-
+
if ( !family )
{
+ facename.Empty();
switch (font->GetFamily())
{
case wxSCRIPT:
break;
}
}
-
+
return family->GetLibrary(type);
}
-static ibool enum_callback(const font_info_t *info, void *cookie)
+static ibool MGLAPI enum_callback(const font_info_t *info, void *cookie)
{
wxFontsManager *db = (wxFontsManager*)cookie;
db->AddFamily(info);
wxFontsManager::wxFontsManager()
{
m_hash = new wxHashTable(wxKEY_STRING);
- m_hash->DeleteContents(FALSE);
+ m_hash->DeleteContents(false);
m_list = new wxMGLFontFamilyList;
- m_list->DeleteContents(TRUE);
+ m_list->DeleteContents(true);
MGL_enumerateFonts(enum_callback, (void*)this);
}
m_hash->Put(f->GetName().Lower(), f);
m_list->Append(f);
}
-
+
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)
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