miscellaneous wxFont enhancements (patch 1496606):

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

diff --git a/src/mgl/font.cpp b/src/mgl/font.cpp
index d46be6a92a8c51d7282b720a39cc79330711d279..ddd6799cc87975ff59b23b28eb0fd4ffe320552c 100644 (file)
--- a/src/mgl/font.cpp
+++ b/src/mgl/font.cpp
@@ -1,8 +1,8 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        font.cpp
+// Name:        src/mgl/font.cpp
 // Author:      Vaclav Slavik
 // Id:          $Id$
-// Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
+// Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -14,20 +14,26 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "font.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
 #endif
 
 #include "wx/font.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/utils.h"
+    #include "wx/settings.h"
+    #include "wx/cmndata.h"
+#endif
+
 #include "wx/fontutil.h"
-#include "wx/cmndata.h"
-#include "wx/utils.h"
-#include "wx/log.h"
 #include "wx/gdicmn.h"
 #include "wx/tokenzr.h"
-#include "wx/settings.h"
-
-#include <strings.h>
+#include "wx/mgl/private.h"
 
 // ----------------------------------------------------------------------------
 // wxFontRefData
@@ -40,7 +46,7 @@ public:
                   int family = wxDEFAULT,
                   int style = wxDEFAULT,
                   int weight = wxDEFAULT,
-                  bool underlined = FALSE,
+                  bool underlined = false,
                   const wxString& faceName = wxEmptyString,
                   wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
     wxFontRefData(const wxFontRefData& data);
@@ -68,6 +74,8 @@ private:
     wxMGLFontLibrary *m_library;
     bool              m_valid;
 
+    wxNativeFontInfo  m_info;
+
     friend class wxFont;
 };
 
@@ -113,7 +121,7 @@ void wxFontRefData::Init(int pointSize,
     m_encoding = encoding;
 
     m_library = NULL;
-    m_valid = FALSE;
+    m_valid = false;
 }
 
 wxFontRefData::wxFontRefData(const wxFontRefData& data)
@@ -125,6 +133,7 @@ wxFontRefData::wxFontRefData(const wxFontRefData& data)
     m_valid = data.m_valid;
     if ( m_library )
         m_library->IncRef();
+    wxLogTrace("mgl_font", "created fntrefdata %p, library is %p", this, m_library);
 }
 
 wxFontRefData::wxFontRefData(int size, int family, int style,
@@ -133,10 +142,12 @@ wxFontRefData::wxFontRefData(int size, int family, int style,
                              wxFontEncoding encoding)
 {
     Init(size, family, style, weight, underlined, faceName, encoding);
+    wxLogTrace("mgl_font", "created fntrefdata %p, library is %p", this, m_library);
 }
 
 wxFontRefData::~wxFontRefData()
 {
+    wxLogTrace("mgl_font", "destructing fntrefdata %p, library is %p", this, m_library);
     if ( m_library )
         m_library->DecRef();
 }
@@ -147,12 +158,6 @@ wxFontRefData::~wxFontRefData()
 
 IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
 
-void wxFont::Init()
-{
-    if (wxTheFontList)
-        wxTheFontList->Append(this);
-}
-
 bool wxFont::Create(const wxNativeFontInfo& info)
 {
     return Create(info.pointSize, info.family, info.style, info.weight,
@@ -169,7 +174,7 @@ bool wxFont::Create(int pointSize,
 {
     m_refData = new wxFontRefData(pointSize, family, style, weight,
                                   underlined, face, encoding);
-    return TRUE;
+    return true;
 }
 
 struct font_t *wxFont::GetMGLfont_t(float scale, bool antialiased)
@@ -183,32 +188,23 @@ struct font_t *wxFont::GetMGLfont_t(float scale, bool antialiased)
             old->DecRef();
     }
 
-    wxMGLFontInstance *instance = 
+    wxMGLFontInstance *instance =
         M_FONTDATA->m_library->GetFontInstance(this, scale, antialiased);
 
     return instance->GetMGLfont_t();
 }
 
-void wxFont::Unshare()
+wxObjectRefData *wxFont::CreateRefData() const
 {
-    if ( !m_refData )
-    {
-        m_refData = new wxFontRefData();
-    }
-    else
-    {
-        wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
-        UnRef();
-        m_refData = ref;
-    }
+    return new wxFontRefData;
 }
 
-wxFont::~wxFont()
+wxObjectRefData *wxFont::CloneRefData(const wxObjectRefData *data) const
 {
-    if (wxTheFontList)
-        wxTheFontList->DeleteObject(this);
+    return new wxFontRefData(*(wxFontRefData *)data);
 }
 
+
 // ----------------------------------------------------------------------------
 // accessors
 // ----------------------------------------------------------------------------
@@ -222,7 +218,7 @@ int wxFont::GetPointSize() const
 
 wxString wxFont::GetFaceName() const
 {
-    wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );
+    wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
 
     return M_FONTDATA->m_faceName;
 }
@@ -250,7 +246,7 @@ int wxFont::GetWeight() const
 
 bool wxFont::GetUnderlined() const
 {
-    wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
+    wxCHECK_MSG( Ok(), false, wxT("invalid font") );
 
     return M_FONTDATA->m_underlined;
 }
@@ -263,6 +259,21 @@ wxFontEncoding wxFont::GetEncoding() const
     return M_FONTDATA->m_encoding;
 }
 
+bool wxFont::IsFixedWidth() const
+{
+    wxCHECK_MSG( Ok(), false, wxT("invalid font") );
+
+    return (bool)(M_FONTDATA->m_library->GetFamily()->GetInfo()->isFixed);
+}
+
+const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
+{
+    wxCHECK_MSG( Ok(), NULL, wxT("invalid font") );
+
+    M_FONTDATA->m_info.InitFromFont(*this);
+
+    return &(M_FONTDATA->m_info);
+}
 
 // ----------------------------------------------------------------------------
 // change font attributes
@@ -270,55 +281,57 @@ wxFontEncoding wxFont::GetEncoding() const
 
 void wxFont::SetPointSize(int pointSize)
 {
-    Unshare();
+    AllocExclusive();
 
     M_FONTDATA->m_pointSize = pointSize;
-    M_FONTDATA->m_valid = FALSE;
+    M_FONTDATA->m_valid = false;
 }
 
 void wxFont::SetFamily(int family)
 {
-    Unshare();
+    AllocExclusive();
 
     M_FONTDATA->m_family = family;
-    M_FONTDATA->m_valid = FALSE;
+    M_FONTDATA->m_valid = false;
 }
 
 void wxFont::SetStyle(int style)
 {
-    Unshare();
+    AllocExclusive();
 
     M_FONTDATA->m_style = style;
-    M_FONTDATA->m_valid = FALSE;
+    M_FONTDATA->m_valid = false;
 }
 
 void wxFont::SetWeight(int weight)
 {
-    Unshare();
+    AllocExclusive();
 
     M_FONTDATA->m_weight = weight;
-    M_FONTDATA->m_valid = FALSE;
+    M_FONTDATA->m_valid = false;
 }
 
-void wxFont::SetFaceName(const wxString& faceName)
+bool wxFont::SetFaceName(const wxString& faceName)
 {
-    Unshare();
+    AllocExclusive();
 
     M_FONTDATA->m_faceName = faceName;
-    M_FONTDATA->m_valid = FALSE;
+    M_FONTDATA->m_valid = false;
+
+    return wxFontBase::SetFaceName(faceName);
 }
 
 void wxFont::SetUnderlined(bool underlined)
 {
-    Unshare();
+    AllocExclusive();
 
     M_FONTDATA->m_underlined = underlined;
 }
 
 void wxFont::SetEncoding(wxFontEncoding encoding)
 {
-    Unshare();
+    AllocExclusive();
 
     M_FONTDATA->m_encoding = encoding;
-    M_FONTDATA->m_valid = FALSE;
+    M_FONTDATA->m_valid = false;
 }