X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/08b2d55fdf75a1656c682cc2773c2d1609f1e7c1..b39badac119fe944152cd1408a90b82e710ea598:/src/osx/carbon/graphics.cpp?ds=sidebyside

diff --git a/src/osx/carbon/graphics.cpp b/src/osx/carbon/graphics.cpp
index e5e2a07b6c..5b50bb5ff7 100644
--- a/src/osx/carbon/graphics.cpp
+++ b/src/osx/carbon/graphics.cpp
@@ -1404,8 +1404,6 @@ public:
 
     wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer);
 
-    wxMacCoreGraphicsContext();
-
     ~wxMacCoreGraphicsContext();
 
     void Init();
@@ -1517,7 +1515,7 @@ public:
 
     void SetNativeContext( CGContextRef cg );
 
-    DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsContext)
+    wxDECLARE_NO_COPY_CLASS(wxMacCoreGraphicsContext);
 
 private:
     bool EnsureIsValid();
@@ -1556,8 +1554,6 @@ private:
 // wxMacCoreGraphicsContext implementation
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsContext, wxGraphicsContext)
-
 class wxQuartzOffsetHelper
 {
 public :
@@ -1662,12 +1658,6 @@ wxMacCoreGraphicsContext::wxMacCoreGraphicsContext(wxGraphicsRenderer* renderer)
     Init();
 }
 
-wxMacCoreGraphicsContext::wxMacCoreGraphicsContext() : wxGraphicsContext(NULL)
-{
-    Init();
-    wxLogDebug(wxT("Illegal Constructor called"));
-}
-
 wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext()
 {
     SetNativeContext(NULL);
@@ -2321,10 +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) );
@@ -2337,6 +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;
@@ -2734,6 +2743,49 @@ wxGraphicsMatrix wxMacCoreGraphicsContext::GetTransform() const
     return m;
 }
 
+
+#if wxUSE_IMAGE
+
+// ----------------------------------------------------------------------------
+// wxMacCoreGraphicsImageContext
+// ----------------------------------------------------------------------------
+
+// This is a GC that can be used to draw on wxImage. In this implementation we
+// simply draw on a wxBitmap using wxMemoryDC and then convert it to wxImage in
+// the end so it's not especially interesting and exists mainly for
+// compatibility with the other platforms.
+class wxMacCoreGraphicsImageContext : public wxMacCoreGraphicsContext
+{
+public:
+    wxMacCoreGraphicsImageContext(wxGraphicsRenderer* renderer,
+                                  wxImage& image) :
+        wxMacCoreGraphicsContext(renderer),
+        m_image(image),
+        m_bitmap(image),
+        m_memDC(m_bitmap)
+    {
+        SetNativeContext
+        (
+            (CGContextRef)(m_memDC.GetGraphicsContext()->GetNativeContext())
+        );
+        m_width = image.GetWidth();
+        m_height = image.GetHeight();
+    }
+
+    virtual ~wxMacCoreGraphicsImageContext()
+    {
+        m_memDC.SelectObject(wxNullBitmap);
+        m_image = m_bitmap.ConvertToImage();
+    }
+
+private:
+    wxImage& m_image;
+    wxBitmap m_bitmap;
+    wxMemoryDC m_memDC;
+};
+
+#endif // wxUSE_IMAGE
+
 //
 // Renderer
 //
@@ -2763,6 +2815,10 @@ public :
 
     virtual wxGraphicsContext * CreateContext( wxWindow* window );
 
+#if wxUSE_IMAGE
+    virtual wxGraphicsContext * CreateContextFromImage(wxImage& image);
+#endif // wxUSE_IMAGE
+
     virtual wxGraphicsContext * CreateMeasuringContext();
 
     // Path
@@ -2792,10 +2848,18 @@ 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 ) ;
 
+#if wxUSE_IMAGE
+    virtual wxGraphicsBitmap CreateBitmapFromImage(const wxImage& image);
+#endif // wxUSE_IMAGE
+
     // create a graphics bitmap from a native bitmap
     virtual wxGraphicsBitmap CreateBitmapFromNativeBitmap( void* bitmap );
 
@@ -2905,6 +2969,16 @@ wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateMeasuringContext()
     return new wxMacCoreGraphicsContext(this);
 }
 
+#if wxUSE_IMAGE
+
+wxGraphicsContext*
+wxMacCoreGraphicsRenderer::CreateContextFromImage(wxImage& image)
+{
+    return new wxMacCoreGraphicsImageContext(this, image);
+}
+
+#endif // wxUSE_IMAGE
+
 // Path
 
 wxGraphicsPath wxMacCoreGraphicsRenderer::CreatePath()
@@ -2963,6 +3037,20 @@ wxGraphicsBitmap wxMacCoreGraphicsRenderer::CreateBitmap( const wxBitmap& bmp )
         return wxNullGraphicsBitmap;
 }
 
+#if wxUSE_IMAGE
+
+wxGraphicsBitmap
+wxMacCoreGraphicsRenderer::CreateBitmapFromImage(const wxImage& image)
+{
+    // We don't have any direct way to convert wxImage to CGImage so pass by
+    // wxBitmap. This makes this function pretty useless in this implementation
+    // but it allows to have the same API as with Cairo backend where we can
+    // convert wxImage to a Cairo surface directly, bypassing wxBitmap.
+    return CreateBitmap(wxBitmap(image));
+}
+
+#endif // wxUSE_IMAGE
+
 wxGraphicsBitmap wxMacCoreGraphicsRenderer::CreateBitmapFromNativeBitmap( void* bitmap )
 {
     if ( bitmap != NULL )
@@ -3015,7 +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() )
@@ -3028,6 +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
 //