Avoid an assert when m_dir is empty

[wxWidgets.git] / src / osx / carbon / graphics.cpp

diff --git a/src/osx/carbon/graphics.cpp b/src/osx/carbon/graphics.cpp
index 067b3750b73ea6d641b15bb860a6ff46c15dfb30..5b50bb5ff70bd19a0e5360b4bddddd934fab6092 100644 (file)
--- a/src/osx/carbon/graphics.cpp
+++ b/src/osx/carbon/graphics.cpp
@@ -2311,10 +2311,16 @@ void wxMacCoreGraphicsContext::DoDrawText( const wxString &str, wxDouble x, wxDo
         wxCFStringRef text(str, wxLocale::GetSystemEncoding() );
         CTFontRef font = fref->OSXGetCTFont();
         CGColorRef col = wxMacCreateCGColor( fref->GetColour() );
+#if 0
+        // right now there's no way to get continuous underlines, only words, so we emulate it
         CTUnderlineStyle ustyle = fref->GetUnderlined() ? kCTUnderlineStyleSingle : kCTUnderlineStyleNone ;
         wxCFRef<CFNumberRef> underlined( CFNumberCreate(NULL, kCFNumberSInt32Type, &ustyle) );
          CFStringRef keys[] = { kCTFontAttributeName , kCTForegroundColorAttributeName, kCTUnderlineStyleAttributeName };
         CFTypeRef values[] = { font, col, underlined };
+#else
+        CFStringRef keys[] = { kCTFontAttributeName , kCTForegroundColorAttributeName };
+        CFTypeRef values[] = { font, col };
+#endif
         wxCFRef<CFDictionaryRef> attributes( CFDictionaryCreate(kCFAllocatorDefault, (const void**) &keys, (const void**) &values,
                                                         WXSIZEOF( keys ), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks) );
         wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, text, attributes) );
@@ -2327,6 +2333,19 @@ void wxMacCoreGraphicsContext::DoDrawText( const wxString &str, wxDouble x, wxDo
         CGContextScaleCTM(m_cgContext, 1, -1);
         CGContextSetTextPosition(m_cgContext, 0, 0);
         CTLineDraw( line, m_cgContext );
+        
+        if ( fref->GetUnderlined() ) {
+            //AKT: draw horizontal line 1 pixel thick and with 1 pixel gap under baseline
+            CGFloat width = CTLineGetTypographicBounds(line, NULL, NULL, NULL);
+
+            CGPoint points[] = { {0.0, -2.0},  {width, -2.0} };
+            
+            CGContextSetStrokeColorWithColor(m_cgContext, col);
+            CGContextSetShouldAntialias(m_cgContext, false);
+            CGContextSetLineWidth(m_cgContext, 1.0);
+            CGContextStrokeLineSegments(m_cgContext, points, 2);
+        }
+        
         CGContextRestoreGState(m_cgContext);
         CFRelease( col );
         return;
@@ -2829,6 +2848,10 @@ public :
 
    // sets the font
     virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;
+    virtual wxGraphicsFont CreateFont(double sizeInPixels,
+                                      const wxString& facename,
+                                      int flags = wxFONTFLAG_DEFAULT,
+                                      const wxColour& col = *wxBLACK);
 
     // create a native bitmap representation
     virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ) ;
@@ -3080,7 +3103,6 @@ wxMacCoreGraphicsRenderer::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
     return p;
 }
 
-// sets the font
 wxGraphicsFont wxMacCoreGraphicsRenderer::CreateFont( const wxFont &font , const wxColour &col )
 {
     if ( font.IsOk() )
@@ -3093,6 +3115,32 @@ wxGraphicsFont wxMacCoreGraphicsRenderer::CreateFont( const wxFont &font , const
         return wxNullGraphicsFont;
 }
 
+wxGraphicsFont
+wxMacCoreGraphicsRenderer::CreateFont(double sizeInPixels,
+                                      const wxString& facename,
+                                      int flags,
+                                      const wxColour& col)
+{
+    // This implementation is not ideal as we don't support fractional font
+    // sizes right now, but it's the simplest one.
+    //
+    // Notice that under Mac we always use 72 DPI so the font size in pixels is
+    // the same as the font size in points and we can pass it directly to wxFont
+    // ctor.
+    wxFont font(wxRound(sizeInPixels),
+                wxFONTFAMILY_DEFAULT,
+                flags & wxFONTFLAG_ITALIC ? wxFONTSTYLE_ITALIC
+                                          : wxFONTSTYLE_NORMAL,
+                flags & wxFONTFLAG_BOLD ? wxFONTWEIGHT_BOLD
+                                        : wxFONTWEIGHT_NORMAL,
+                (flags & wxFONTFLAG_UNDERLINED) != 0,
+                facename);
+
+    wxGraphicsFont f;
+    f.SetRefData(new wxMacCoreGraphicsFontData(this, font, col));
+    return f;
+}
+
 //
 // CoreGraphics Helper Methods
 //