X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/09fcd88955f6460d1f0d3d506118ce52c1090621..491b5be8305968871bc289453ed088a70c3de044:/src/msw/font.cpp

diff --git a/src/msw/font.cpp b/src/msw/font.cpp
index 7dd7f375a5..1800a135c0 100644
--- a/src/msw/font.cpp
+++ b/src/msw/font.cpp
@@ -41,6 +41,7 @@
 #include "wx/tokenzr.h"
 
 #include "wx/msw/private.h"
+#include "wx/tokenzr.h"
 
 IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
 
@@ -85,9 +86,9 @@ public:
         Init(size, family, style, weight, underlined, faceName, encoding);
     }
 
-    wxFontRefData(const wxNativeFontInfo& info) 
+    wxFontRefData(const wxNativeFontInfo& info, WXHFONT hFont = 0)
     {
-        Init(info);
+        Init(info, hFont);
     }
 
     virtual ~wxFontRefData();
@@ -102,7 +103,7 @@ protected:
               const wxString& faceName,
               wxFontEncoding encoding);
 
-    void Init(const wxNativeFontInfo& info);
+    void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
 
     // If TRUE, the pointer to the actual font is temporary and SHOULD NOT BE
     // DELETED by destructor
@@ -121,7 +122,7 @@ protected:
 
     // Windows font handle
     WXHFONT       m_hFont;
-    
+
     // Native font info
     wxNativeFontInfo m_nativeFontInfo;
     bool             m_nativeFontInfoOk;
@@ -156,11 +157,11 @@ void wxFontRefData::Init(int pointSize,
     m_temporary = FALSE;
 
     m_hFont = 0;
-    
+
     m_nativeFontInfoOk = FALSE;
 }
 
-void wxFontRefData::Init(const wxNativeFontInfo& info)
+void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
 {
     // extract family from pitch-and-family
     int lfFamily = info.lf.lfPitchAndFamily;
@@ -218,25 +219,23 @@ void wxFontRefData::Init(const wxNativeFontInfo& info)
 
     m_faceName = info.lf.lfFaceName;
 
-    // remember that 1pt = 1/72inch
     int height = abs(info.lf.lfHeight);
 
-#if wxUSE_SCREEN_DPI
-    HDC dc = ::GetDC(NULL);
-    static const int ppInch = GetDeviceCaps(dc, LOGPIXELSY);
-    ::ReleaseDC(NULL, dc);
-#else
-    static const int ppInch = 96;
-#endif
+    // remember that 1pt = 1/72inch
+    const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
     m_pointSize = (int) (((72.0*((double)height))/(double) ppInch) + 0.5);
-    
+
     m_encoding = wxGetFontEncFromCharSet(info.lf.lfCharSet);
-    
+
     m_fontId = 0;
     m_temporary = FALSE;
 
-    m_hFont = 0;
-    
+    // hFont may be zero, or it be passed in case we really want to
+    // use the exact font created in the underlying system
+    // (for example where we can't guarantee conversion from HFONT
+    // to LOGFONT back to HFONT)
+    m_hFont = hFont;
+
     m_nativeFontInfoOk = TRUE;
     m_nativeFontInfo = info;
 }
@@ -296,42 +295,42 @@ bool wxNativeFontInfo::FromString(const wxString& s)
     token = tokenizer.GetNextToken();
     if ( !token.ToLong(&l) )
         return FALSE;
-    lf.lfItalic = l;
+    lf.lfItalic = (BYTE)l;
 
     token = tokenizer.GetNextToken();
     if ( !token.ToLong(&l) )
         return FALSE;
-    lf.lfUnderline = l;
+    lf.lfUnderline = (BYTE)l;
 
     token = tokenizer.GetNextToken();
     if ( !token.ToLong(&l) )
         return FALSE;
-    lf.lfStrikeOut = l;
+    lf.lfStrikeOut = (BYTE)l;
 
     token = tokenizer.GetNextToken();
     if ( !token.ToLong(&l) )
         return FALSE;
-    lf.lfCharSet = l;
+    lf.lfCharSet = (BYTE)l;
 
     token = tokenizer.GetNextToken();
     if ( !token.ToLong(&l) )
         return FALSE;
-    lf.lfOutPrecision = l;
+    lf.lfOutPrecision = (BYTE)l;
 
     token = tokenizer.GetNextToken();
     if ( !token.ToLong(&l) )
         return FALSE;
-    lf.lfClipPrecision = l;
+    lf.lfClipPrecision = (BYTE)l;
 
     token = tokenizer.GetNextToken();
     if ( !token.ToLong(&l) )
         return FALSE;
-    lf.lfQuality = l;
+    lf.lfQuality = (BYTE)l;
 
     token = tokenizer.GetNextToken();
     if ( !token.ToLong(&l) )
         return FALSE;
-    lf.lfPitchAndFamily = l;
+    lf.lfPitchAndFamily = (BYTE)l;
 
     token = tokenizer.GetNextToken();
     if(!token)
@@ -375,11 +374,11 @@ void wxFont::Init()
         wxTheFontList->Append(this);
 }
 
-bool wxFont::Create(const wxNativeFontInfo& info)
+bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
 {
     UnRef();
 
-    m_refData = new wxFontRefData(info);
+    m_refData = new wxFontRefData(info, hFont);
 
     RealizeResource();
 
@@ -443,7 +442,7 @@ bool wxFont::RealizeResource()
       wxFillLogFont(&M_FONTDATA->m_nativeFontInfo.lf, this);
       M_FONTDATA->m_nativeFontInfoOk = TRUE;
     }
-    
+
     M_FONTDATA->m_hFont = (WXHFONT)::CreateFontIndirect(&M_FONTDATA->m_nativeFontInfo.lf);
     M_FONTDATA->m_faceName = M_FONTDATA->m_nativeFontInfo.lf.lfFaceName;
     if ( !M_FONTDATA->m_hFont )
@@ -456,7 +455,7 @@ bool wxFont::RealizeResource()
     return TRUE;
 }
 
-bool wxFont::FreeResource(bool force)
+bool wxFont::FreeResource(bool WXUNUSED(force))
 {
     if ( GetResourceHandle() )
     {
@@ -582,8 +581,8 @@ void wxFont::SetEncoding(wxFontEncoding encoding)
 void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info)
 {
     Unshare();
- 
-    FreeResource();   
+
+    FreeResource();
 
     M_FONTDATA->Init(info);
 
@@ -596,44 +595,57 @@ void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info)
 
 int wxFont::GetPointSize() const
 {
+    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+
     return M_FONTDATA->m_pointSize;
 }
 
 int wxFont::GetFamily() const
 {
+    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+
     return M_FONTDATA->m_family;
 }
 
 int wxFont::GetFontId() const
 {
+    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+
     return M_FONTDATA->m_fontId;
 }
 
 int wxFont::GetStyle() const
 {
+    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+
     return M_FONTDATA->m_style;
 }
 
 int wxFont::GetWeight() const
 {
+    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+
     return M_FONTDATA->m_weight;
 }
 
 bool wxFont::GetUnderlined() const
 {
+    wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
+
     return M_FONTDATA->m_underlined;
 }
 
 wxString wxFont::GetFaceName() const
 {
-    wxString str;
-    if ( M_FONTDATA )
-        str = M_FONTDATA->m_faceName;
-    return str;
+    wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );
+
+    return M_FONTDATA->m_faceName;
 }
 
 wxFontEncoding wxFont::GetEncoding() const
 {
+    wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
+
     return M_FONTDATA->m_encoding;
 }
 
@@ -641,7 +653,7 @@ wxNativeFontInfo *wxFont::GetNativeFontInfo() const
 {
     if( M_FONTDATA->m_nativeFontInfoOk )
         return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo);
-        
+
     return 0;
 }