X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ef344ff86223f1f0961f025c0b249c898529c095..88594d02eb59a55ac85d3210a49d02918124617b:/src/mgl/fontutil.cpp

diff --git a/src/mgl/fontutil.cpp b/src/mgl/fontutil.cpp
index 7e26290862..59eb523363 100644
--- a/src/mgl/fontutil.cpp
+++ b/src/mgl/fontutil.cpp
@@ -30,6 +30,7 @@
 
 
 #include "wx/listimpl.cpp"
+#include "wx/sysopt.h"
 #include "wx/mgl/private.h"
 
 #include <mgraph.h>
@@ -228,6 +229,8 @@ void wxMGLFontLibrary::DecRef()
     }
 }
 
+static int gs_antialiasingThreshold = -1;
+
 wxMGLFontInstance *wxMGLFontLibrary::GetFontInstance(wxFont *font, 
                                                      float scale, bool aa)
 {
@@ -235,10 +238,28 @@ wxMGLFontInstance *wxMGLFontLibrary::GetFontInstance(wxFont *font,
 
     wxString facename;
     bool slant;
-    bool antialiased = 
-        (m_fontLib->fontLibType == MGL_BITMAPFONT_LIB) ? FALSE : aa;
+    bool antialiased;
     float pt = (float)font->GetPointSize() * scale;
 
+    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.
+    if ( pt <= gs_antialiasingThreshold )
+        antialiased = FALSE;
+    else
+        antialiased = (m_fontLib->fontLibType == MGL_BITMAPFONT_LIB) ? FALSE : aa;
+
     slant = (((m_type & wxFONTFACE_ITALIC) == 0) &&
              (font->GetStyle() == wxSLANT || font->GetStyle() == wxITALIC));
 
@@ -393,7 +414,7 @@ wxMGLFontLibrary *wxFontsManager::GetFontLibrary(wxFont *font)
     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);