// Modified by:
// Created: 20.09.99
// RCS-ID: $Id$
-// Copyright: (c) wxWindows team
-// Licence: wxWindows license
+// Copyright: (c) wxWidgets team
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "fontbase.h"
#endif
#endif
#ifndef WX_PRECOMP
-#include "wx/font.h"
-#include "wx/intl.h"
+ #include "wx/font.h"
+ #include "wx/intl.h"
+ #include "wx/dcscreen.h"
#endif // WX_PRECOMP
#include "wx/gdicmn.h"
+
+#if defined(__WXMSW__) && !defined(__PALMOS__)
+ #include "wx/msw/private.h" // includes windows.h for LOGFONT
+ #include "wx/msw/winundef.h"
+#endif
+
#include "wx/fontutil.h" // for wxNativeFontInfo
#include "wx/fontmap.h"
// implementation
// ============================================================================
+// ----------------------------------------------------------------------------
+// helper functions
+// ----------------------------------------------------------------------------
+
+static void AdjustFontSize(wxFont& font, wxDC& dc, const wxSize& pixelSize)
+{
+ int currentSize = font.GetPointSize();
+ int largestGood = 0;
+ int smallestBad = 0;
+
+ bool initialGoodFound = false;
+ bool initialBadFound = false;
+
+ while (currentSize > 0)
+ {
+ dc.SetFont(font);
+
+ // if currentSize (in points) results in a font that is smaller
+ // than required by pixelSize it is considered a good size
+ if (dc.GetCharHeight() <= pixelSize.GetHeight() &&
+ (!pixelSize.GetWidth() ||
+ dc.GetCharWidth() <= pixelSize.GetWidth()))
+ {
+ largestGood = currentSize;
+ initialGoodFound = true;
+ }
+ else
+ {
+ smallestBad = currentSize;
+ initialBadFound = true;
+ }
+ if (!initialGoodFound)
+ {
+ currentSize /= 2;
+ }
+ else if (!initialBadFound)
+ {
+ currentSize *= 2;
+ }
+ else
+ {
+ int distance = smallestBad - largestGood;
+ if (distance == 1)
+ break;
+
+ currentSize = largestGood + distance / 2;
+ }
+
+ font.SetPointSize(currentSize);
+ }
+
+ if (currentSize != largestGood)
+ font.SetPointSize(largestGood);
+}
+
// ----------------------------------------------------------------------------
// wxFontBase
// ----------------------------------------------------------------------------
return new wxFont(size, family, style, weight, underlined, face, encoding);
}
-/* static */
-wxFont *wxFontBase::New(int pointSize,
- wxFontFamily family,
- int flags,
- const wxString& face,
- wxFontEncoding encoding)
+static inline int flags2Style(int flags)
{
- return New
- (
- pointSize,
- family,
- flags & wxFONTFLAG_ITALIC
+ return flags & wxFONTFLAG_ITALIC
? wxFONTSTYLE_ITALIC
: flags & wxFONTFLAG_SLANT
? wxFONTSTYLE_SLANT
- : wxFONTSTYLE_NORMAL,
- flags & wxFONTFLAG_LIGHT
+ : wxFONTSTYLE_NORMAL;
+}
+
+static inline int flags2Weight(int flags)
+{
+ return flags & wxFONTFLAG_LIGHT
? wxFONTWEIGHT_LIGHT
: flags & wxFONTFLAG_BOLD
? wxFONTWEIGHT_BOLD
- : wxFONTWEIGHT_NORMAL,
- (flags & wxFONTFLAG_UNDERLINED) != 0,
- face,
- encoding
- );
+ : wxFONTWEIGHT_NORMAL;
+}
+
+static inline bool flags2Underlined(int flags)
+{
+ return (flags & wxFONTFLAG_UNDERLINED) != 0;
+}
+
+/* static */
+wxFont *wxFontBase::New(int pointSize,
+ wxFontFamily family,
+ int flags,
+ const wxString& face,
+ wxFontEncoding encoding)
+{
+ return New(pointSize, family, flags2Style(flags), flags2Weight(flags),
+ flags2Underlined(flags), face, encoding);
+}
+
+/* static */
+wxFont *wxFontBase::New(const wxSize& pixelSize,
+ int family,
+ int style,
+ int weight,
+ bool underlined,
+ const wxString& face,
+ wxFontEncoding encoding)
+{
+#if defined(__WXMSW__)
+ return new wxFont(pixelSize, family, style, weight, underlined,
+ face, encoding);
+#else
+ wxFont *self = New(10, family, style, weight, underlined, face, encoding);
+ wxScreenDC dc;
+ AdjustFontSize(*(wxFont *)self, dc, pixelSize);
+ return self;
+#endif
+}
+
+/* static */
+wxFont *wxFontBase::New(const wxSize& pixelSize,
+ wxFontFamily family,
+ int flags,
+ const wxString& face,
+ wxFontEncoding encoding)
+{
+ return New(pixelSize, family, flags2Style(flags), flags2Weight(flags),
+ flags2Underlined(flags), face, encoding);
+}
+
+wxSize wxFontBase::GetPixelSize() const
+{
+ wxScreenDC dc;
+ dc.SetFont(*(wxFont *)this);
+ return wxSize(dc.GetCharWidth(), dc.GetCharHeight());
+}
+
+bool wxFontBase::IsUsingSizeInPixels() const
+{
+ return false;
+}
+
+void wxFontBase::SetPixelSize( const wxSize& pixelSize )
+{
+ wxScreenDC dc;
+ AdjustFontSize(*(wxFont *)this, dc, pixelSize);
}
/* static */
return GetFamily() == wxFONTFAMILY_TELETYPE;
}
-wxNativeFontInfo *wxFontBase::GetNativeFontInfo() const
-{
-#ifdef wxNO_NATIVE_FONTINFO
- wxNativeFontInfo *fontInfo = new wxNativeFontInfo();
-
- fontInfo->SetPointSize(GetPointSize());
- fontInfo->SetFamily((wxFontFamily)GetFamily());
- fontInfo->SetStyle((wxFontStyle)GetStyle());
- fontInfo->SetWeight((wxFontWeight)GetWeight());
- fontInfo->SetUnderlined(GetUnderlined());
- fontInfo->SetFaceName(GetFaceName());
- fontInfo->SetEncoding(GetEncoding());
-
- return fontInfo;
-#else
- return (wxNativeFontInfo *)NULL;
-#endif
-}
-
-void wxFontBase::SetNativeFontInfo(const wxNativeFontInfo& info)
+void wxFontBase::DoSetNativeFontInfo(const wxNativeFontInfo& info)
{
#ifdef wxNO_NATIVE_FONTINFO
SetPointSize(info.pointSize);
wxString wxFontBase::GetNativeFontInfoDesc() const
{
wxString fontDesc;
- wxNativeFontInfo *fontInfo = GetNativeFontInfo();
+ const wxNativeFontInfo *fontInfo = GetNativeFontInfo();
if ( fontInfo )
{
fontDesc = fontInfo->ToString();
- delete fontInfo;
}
return fontDesc;
wxString wxFontBase::GetNativeFontInfoUserDesc() const
{
wxString fontDesc;
- wxNativeFontInfo *fontInfo = GetNativeFontInfo();
+ const wxNativeFontInfo *fontInfo = GetNativeFontInfo();
if ( fontInfo )
{
fontDesc = fontInfo->ToUserString();
- delete fontInfo;
}
return fontDesc;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
pointSize = (int)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
family = (wxFontFamily)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
style = (wxFontStyle)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
weight = (wxFontWeight)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
underlined = l != 0;
faceName = tokenizer.GetNextToken();
#ifndef __WXMAC__
if( !faceName )
- return FALSE;
+ return false;
#endif
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
encoding = (wxFontEncoding)l;
- return TRUE;
+ return true;
}
wxString wxNativeFontInfo::ToString() const
void wxNativeFontInfo::Init()
{
- pointSize = wxNORMAL_FONT->GetPointSize();
+ pointSize = 0;
family = wxFONTFAMILY_DEFAULT;
style = wxFONTSTYLE_NORMAL;
weight = wxFONTWEIGHT_NORMAL;
- underlined = FALSE;
+ underlined = false;
faceName.clear();
encoding = wxFONTENCODING_DEFAULT;
}
wxString token = tokenizer.GetNextToken();
// normalize it
- token.Trim(TRUE).Trim(FALSE).MakeLower();
+ token.Trim(true).Trim(false).MakeLower();
// look for the known tokens
if ( token == _T("underlined") || token == _("underlined") )
{
- SetUnderlined(TRUE);
+ SetUnderlined(true);
}
else if ( token == _T("light") || token == _("light") )
{
SetPointSize(size);
}
#if wxUSE_FONTMAP
- else if ( (encoding = wxFontMapper::Get()->CharsetToEncoding(token, FALSE))
+ else if ( (encoding = wxFontMapper::Get()->CharsetToEncoding(token, false))
!= wxFONTENCODING_DEFAULT )
{
SetEncoding(encoding);
SetFaceName(face);
}
- return TRUE;
+ return true;
}
#endif // generic or wxMSW or wxOS2
projects / wxWidgets.git / blobdiff