Correct Mac OX/iPhone check in libpng.

[wxWidgets.git] / src / generic / graphicc.cpp

diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp
index a47a9362ac0bdbcd2485b3250b9084f63b576fff..d2150dfae9993ae8e79737f652bbc35525e34213 100644 (file)
--- a/src/generic/graphicc.cpp
+++ b/src/generic/graphicc.cpp
@@ -248,14 +248,20 @@ public:
     ~wxCairoBrushData ();
 
     virtual void Apply( wxGraphicsContext* context );
     ~wxCairoBrushData ();
 
     virtual void Apply( wxGraphicsContext* context );

-    void CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
-        const wxColour&c1, const wxColour&c2 );
-    void CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
-        const wxColour &oColor, const wxColour &cColor );
+
+    void CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+                                   wxDouble x2, wxDouble y2,
+                                   const wxGraphicsGradientStops& stops);
+    void CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+                                   wxDouble xc, wxDouble yc, wxDouble radius,
+                                   const wxGraphicsGradientStops& stops);

 
 protected:
     virtual void Init();
 
 
 protected:
     virtual void Init();
 

+    // common part of Create{Linear,Radial}GradientBrush()
+    void AddGradientStops(const wxGraphicsGradientStops& stops);
+

 private :
     double m_red;
     double m_green;
 private :
     double m_red;
     double m_green;


@@ -683,26 +689,50 @@ void wxCairoBrushData::Apply( wxGraphicsContext* context )
     }
 }
 
     }
 }
 

-void wxCairoBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
-        const wxColour&c1, const wxColour&c2 )
+void wxCairoBrushData::AddGradientStops(const wxGraphicsGradientStops& stops)
+{
+    // loop over all the stops, they include the beginning and ending ones
+    const unsigned numStops = stops.GetCount();
+    for ( unsigned n = 0; n < numStops; n++ )
+    {
+        const wxGraphicsGradientStop stop = stops.Item(n);
+
+        const wxColour col = stop.GetColour();
+
+        cairo_pattern_add_color_stop_rgba
+        (
+            m_brushPattern,
+            stop.GetPosition(),
+            col.Red()/255.0,
+            col.Green()/255.0,
+            col.Blue()/255.0,
+            col.Alpha()/255.0
+        );
+    }
+
+    wxASSERT_MSG(cairo_pattern_status(m_brushPattern) == CAIRO_STATUS_SUCCESS,
+                 wxT("Couldn't create cairo pattern"));
+}
+
+void
+wxCairoBrushData::CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+                                            wxDouble x2, wxDouble y2,
+                                            const wxGraphicsGradientStops& stops)

 {
     m_brushPattern = cairo_pattern_create_linear(x1,y1,x2,y2);
 {
     m_brushPattern = cairo_pattern_create_linear(x1,y1,x2,y2);

-    cairo_pattern_add_color_stop_rgba(m_brushPattern,0.0,c1.Red()/255.0,
-        c1.Green()/255.0, c1.Blue()/255.0,c1.Alpha()/255.0);
-    cairo_pattern_add_color_stop_rgba(m_brushPattern,1.0,c2.Red()/255.0,
-        c2.Green()/255.0, c2.Blue()/255.0,c2.Alpha()/255.0);
-    wxASSERT_MSG(cairo_pattern_status(m_brushPattern) == CAIRO_STATUS_SUCCESS, wxT("Couldn't create cairo pattern"));
+
+    AddGradientStops(stops);

 }
 
 }
 

-void wxCairoBrushData::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
-        const wxColour &oColor, const wxColour &cColor )
+void
+wxCairoBrushData::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+                                            wxDouble xc, wxDouble yc,
+                                            wxDouble radius,
+                                            const wxGraphicsGradientStops& stops)

 {
     m_brushPattern = cairo_pattern_create_radial(xo,yo,0.0,xc,yc,radius);
 {
     m_brushPattern = cairo_pattern_create_radial(xo,yo,0.0,xc,yc,radius);

-    cairo_pattern_add_color_stop_rgba(m_brushPattern,0.0,oColor.Red()/255.0,
-        oColor.Green()/255.0, oColor.Blue()/255.0,oColor.Alpha()/255.0);
-    cairo_pattern_add_color_stop_rgba(m_brushPattern,1.0,cColor.Red()/255.0,
-        cColor.Green()/255.0, cColor.Blue()/255.0,cColor.Alpha()/255.0);
-    wxASSERT_MSG(cairo_pattern_status(m_brushPattern) == CAIRO_STATUS_SUCCESS, wxT("Couldn't create cairo pattern"));
+
+    AddGradientStops(stops);

 }
 
 void wxCairoBrushData::Init()
 }
 
 void wxCairoBrushData::Init()


@@ -755,7 +785,7 @@ void wxCairoFontData::Apply( wxGraphicsContext* context )
     cairo_set_font_face(ctext, m_font);
     cairo_set_font_size(ctext, m_size );
 #else
     cairo_set_font_face(ctext, m_font);
     cairo_set_font_size(ctext, m_size );
 #else

-    cairo_select_font_face(ctext, m_fontName, m_slant, m_weights );
+    cairo_select_font_face(ctext, m_fontName, m_slant, m_weight );

     cairo_set_font_size(ctext, m_size );
 #endif
 }
     cairo_set_font_size(ctext, m_size );
 #endif
 }


@@ -899,9 +929,10 @@ void wxCairoPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h)
     }
 }
 
     }
 }
 

-bool wxCairoPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode WXUNUSED(fillStyle) ) const
+bool wxCairoPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle ) const

 {
 {

-    return cairo_in_stroke( m_pathContext, x, y) != 0;
+    cairo_set_fill_rule(m_pathContext,fillStyle==wxODDEVEN_RULE ? CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING);
+    return cairo_in_fill( m_pathContext, x, y) != 0;

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -1040,6 +1071,7 @@ wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitm
 {
     wxCHECK_RET( bmp.IsOk(), wxT("Invalid bitmap in wxCairoContext::DrawBitmap"));
 
 {
     wxCHECK_RET( bmp.IsOk(), wxT("Invalid bitmap in wxCairoContext::DrawBitmap"));
 

+#ifdef wxHAS_RAW_BITMAP

     int bw = m_width = bmp.GetWidth();
     int bh = m_height = bmp.GetHeight();
     wxBitmap bmpSource = bmp;  // we need a non-const instance
     int bw = m_width = bmp.GetWidth();
     int bh = m_height = bmp.GetHeight();
     wxBitmap bmpSource = bmp;  // we need a non-const instance


@@ -1107,16 +1139,17 @@ wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitm
         }
     }
     m_pattern = cairo_pattern_create_for_surface(m_surface);
         }
     }
     m_pattern = cairo_pattern_create_for_surface(m_surface);

+#endif // wxHAS_RAW_BITMAP

 }
 
 wxCairoBitmapData::~wxCairoBitmapData()
 {
     if (m_pattern)
         cairo_pattern_destroy(m_pattern);
 }
 
 wxCairoBitmapData::~wxCairoBitmapData()
 {
     if (m_pattern)
         cairo_pattern_destroy(m_pattern);

-    
+

     if (m_surface)
         cairo_surface_destroy(m_surface);
     if (m_surface)
         cairo_surface_destroy(m_surface);

-    
+

     delete [] m_buffer;
 }
 
     delete [] m_buffer;
 }
 


@@ -1440,10 +1473,10 @@ void wxCairoContext::DrawBitmap(const wxGraphicsBitmap &bmp, wxDouble x, wxDoubl
 
     wxDouble scaleX = w / size.GetWidth();
     wxDouble scaleY = h / size.GetHeight();
 
     wxDouble scaleX = w / size.GetWidth();
     wxDouble scaleY = h / size.GetHeight();

-    cairo_scale(m_context, scaleX, scaleY);

 
     // prepare to draw the image
     cairo_translate(m_context, x, y);
 
     // prepare to draw the image
     cairo_translate(m_context, x, y);

+    cairo_scale(m_context, scaleX, scaleY);

     cairo_set_source(m_context, pattern);
     // use the original size here since the context is scaled already...
     cairo_rectangle(m_context, 0, 0, size.GetWidth(), size.GetHeight());
     cairo_set_source(m_context, pattern);
     // use the original size here since the context is scaled already...
     cairo_rectangle(m_context, 0, 0, size.GetWidth(), size.GetHeight());


@@ -1735,14 +1768,16 @@ public :
 
     virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ;
 
 
     virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ;
 

-    // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
-    virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
-        const wxColour&c1, const wxColour&c2) ;
+    virtual wxGraphicsBrush
+    CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+                              wxDouble x2, wxDouble y2,
+                              const wxGraphicsGradientStops& stops);

 
 

-    // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
-    // with radius r and color cColor
-    virtual wxGraphicsBrush CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
-        const wxColour &oColor, const wxColour &cColor) ;
+    virtual wxGraphicsBrush
+    CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+                              wxDouble xc, wxDouble yc,
+                              wxDouble radius,
+                              const wxGraphicsGradientStops& stops);

 
     // sets the font
     virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;
 
     // sets the font
     virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;


@@ -1771,13 +1806,6 @@ static wxCairoRenderer gs_cairoGraphicsRenderer;
 extern wxGraphicsRenderer* gCairoRenderer;
 wxGraphicsRenderer* gCairoRenderer = &gs_cairoGraphicsRenderer;
 
 extern wxGraphicsRenderer* gCairoRenderer;
 wxGraphicsRenderer* gCairoRenderer = &gs_cairoGraphicsRenderer;
 

-#ifdef __WXGTK__
-wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
-{
-    return &gs_cairoGraphicsRenderer;
-}
-#endif
-

 wxGraphicsContext * wxCairoRenderer::CreateContext( const wxWindowDC& dc)
 {
     return new wxCairoContext(this,dc);
 wxGraphicsContext * wxCairoRenderer::CreateContext( const wxWindowDC& dc)
 {
     return new wxCairoContext(this,dc);


@@ -1804,8 +1832,7 @@ wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeContext( void * cont
 {
 #ifdef __WXMSW__
     return new wxCairoContext(this,(HDC)context);
 {
 #ifdef __WXMSW__
     return new wxCairoContext(this,(HDC)context);

-#endif
-#ifdef __WXGTK__
+#else

     return new wxCairoContext(this,(cairo_t*)context);
 #endif
 }
     return new wxCairoContext(this,(cairo_t*)context);
 #endif
 }


@@ -1881,25 +1908,26 @@ wxGraphicsBrush wxCairoRenderer::CreateBrush(const wxBrush& brush )
     }
 }
 
     }
 }
 

-// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
-wxGraphicsBrush wxCairoRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
-                                                                      const wxColour&c1, const wxColour&c2)
+wxGraphicsBrush
+wxCairoRenderer::CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+                                           wxDouble x2, wxDouble y2,
+                                           const wxGraphicsGradientStops& stops)

 {
     wxGraphicsBrush p;
     wxCairoBrushData* d = new wxCairoBrushData( this );
 {
     wxGraphicsBrush p;
     wxCairoBrushData* d = new wxCairoBrushData( this );

-    d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2);
+    d->CreateLinearGradientBrush(x1, y1, x2, y2, stops);

     p.SetRefData(d);
     return p;
 }
 
     p.SetRefData(d);
     return p;
 }
 

-// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
-// with radius r and color cColor
-wxGraphicsBrush wxCairoRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
-                                                                      const wxColour &oColor, const wxColour &cColor)
+wxGraphicsBrush
+wxCairoRenderer::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+                                           wxDouble xc, wxDouble yc, wxDouble r,
+                                           const wxGraphicsGradientStops& stops)

 {
     wxGraphicsBrush p;
     wxCairoBrushData* d = new wxCairoBrushData( this );
 {
     wxGraphicsBrush p;
     wxCairoBrushData* d = new wxCairoBrushData( this );

-    d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor);
+    d->CreateRadialGradientBrush(xo, yo, xc, yc, r, stops);

     p.SetRefData(d);
     return p;
 }
     p.SetRefData(d);
     return p;
 }


@@ -1952,15 +1980,27 @@ wxCairoRenderer::CreateSubBitmap(const wxGraphicsBitmap& WXUNUSED(bitmap),
     return wxNullGraphicsBitmap;
 }
 
     return wxNullGraphicsBitmap;
 }
 

-#endif  // wxUSE_CAIRO
-

 wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer()
 {
 wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer()
 {

-#if wxUSE_CAIRO

     return &gs_cairoGraphicsRenderer;
     return &gs_cairoGraphicsRenderer;

-#else
+}
+
+#else // !wxUSE_CAIRO
+
+wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer()
+{

     return NULL;
     return NULL;

-#endif

 }
 
 }
 

+#endif  // wxUSE_CAIRO/!wxUSE_CAIRO
+
+// MSW and OS X have their own native default renderers, but the other ports
+// use Cairo by default
+#if !(defined(__WXMSW__) || defined(__WXOSX__))
+wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
+{
+    return GetCairoRenderer();
+}
+#endif // !(__WXMSW__ || __WXOSX__)
+

 #endif // wxUSE_GRAPHICS_CONTEXT
 #endif // wxUSE_GRAPHICS_CONTEXT