Applied #10753: WarpPointer() for Mac

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

diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp
index aa3269a4c88b0ceb7031af0f2f53c3a3a39c743a..d2a9ab089f0fdc4bd2d09af78b338dc42087aa05 100644 (file)
--- a/src/generic/graphicc.cpp
+++ b/src/generic/graphicc.cpp
@@ -346,7 +346,7 @@ public:
     virtual void BeginLayer(wxDouble opacity);
 
     virtual void EndLayer();
-    
+
     virtual void StrokePath( const wxGraphicsPath& p );
     virtual void FillPath( const wxGraphicsPath& p , wxPolygonFillMode fillStyle = wxWINDING_RULE );
 
@@ -363,6 +363,7 @@ public:
     // gets the matrix of this context
     virtual wxGraphicsMatrix GetTransform() const;
 
+    virtual void DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
     virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
     virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
     virtual void PushState();
@@ -379,7 +380,7 @@ private:
     void Init(cairo_t *context);
 
     cairo_t* m_context;
-    
+
     wxVector<float> m_layerOpacities;
 
     wxDECLARE_NO_COPY_CLASS(wxCairoContext);
@@ -1017,12 +1018,11 @@ wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitm
 {
     wxCHECK_RET( bmp.IsOk(), wxT("Invalid bitmap in wxCairoContext::DrawBitmap"));
 
-    cairo_surface_t* surface;
     int bw = bmp.GetWidth();
     int bh = bmp.GetHeight();
     wxBitmap bmpSource = bmp;  // we need a non-const instance
     m_buffer = new unsigned char[bw*bh*4];
-    wxUint32* data = (wxUint32*)buffer;
+    wxUint32* data = (wxUint32*)m_buffer;
 
     // Create a surface object and copy the bitmap pixel data to it.  if the
     // image has alpha (or a mask represented as alpha) then we'll use a
@@ -1084,12 +1084,17 @@ wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitm
             p.OffsetY(pixData, 1);
         }
     }
+    m_pattern = cairo_pattern_create_for_surface(m_surface);
 }
 
 wxCairoBitmapData::~wxCairoBitmapData()
 {
-    cairo_pattern_destroy(m_pattern);
-    cairo_surface_destroy(m_surface);
+    if (m_pattern)
+        cairo_pattern_destroy(m_pattern);
+    
+    if (m_surface)
+        cairo_surface_destroy(m_surface);
+    
     delete [] m_buffer;
 }
 
@@ -1376,7 +1381,7 @@ void wxCairoContext::PopState()
 void wxCairoContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
 {
     wxGraphicsBitmap bitmap = GetRenderer()->CreateBitmap(bmp);
-    DrawGraphicsBitmapInternal(bitmap, x, y, w, h);
+    DrawBitmap(bitmap, x, y, w, h);
 
 }
 
@@ -1436,8 +1441,8 @@ void wxCairoContext::DoDrawText(const wxString& str, wxDouble x, wxDouble y)
     wxCairoFontData* font_data = (wxCairoFontData*) m_font.GetRefData();
     pango_layout_set_font_description( layout, font_data->GetFont());
     pango_layout_set_text(layout, data, datalen);
-    
-    if (font_data->GetUnderlined()) 
+
+    if (font_data->GetUnderlined())
     {
         PangoAttrList *attrs = pango_attr_list_new();
         PangoAttribute *attr = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
@@ -1563,7 +1568,7 @@ bool wxCairoContext::SetAntialiasMode(wxAntialiasMode antialias)
         return true;
 
     m_antialias = antialias;
-    
+
     cairo_antialias_t antialiasMode;
     switch (antialias)
     {
@@ -1584,7 +1589,7 @@ bool wxCairoContext::SetCompositionMode(wxCompositionMode op)
 {
     if ( m_composition == op )
         return true;
-        
+
     m_composition = op;
     cairo_operator_t cop;
     switch (op)
@@ -1648,7 +1653,7 @@ void wxCairoContext::EndLayer()
     cairo_pop_group_to_source(m_context);
     cairo_paint_with_alpha(m_context,opacity);
 }
-    
+
 //-----------------------------------------------------------------------------
 // wxCairoRenderer declaration
 //-----------------------------------------------------------------------------
@@ -1862,7 +1867,7 @@ wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour
         return wxNullGraphicsFont;
 }
 
-wxGraphicsBitmap wxGraphicsRenderer::CreateBitmap( const wxBitmap& bmp )
+wxGraphicsBitmap wxCairoRenderer::CreateBitmap( const wxBitmap& bmp )
 {
     if ( bmp.Ok() )
     {
@@ -1874,7 +1879,12 @@ wxGraphicsBitmap wxGraphicsRenderer::CreateBitmap( const wxBitmap& bmp )
         return wxNullGraphicsBitmap;
 }
 
-wxGraphicsBitmap wxGraphicsRenderer::CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h  )
+wxGraphicsBitmap
+wxCairoRenderer::CreateSubBitmap(const wxGraphicsBitmap& WXUNUSED(bitmap),
+                                 wxDouble WXUNUSED(x),
+                                 wxDouble WXUNUSED(y),
+                                 wxDouble WXUNUSED(w),
+                                 wxDouble WXUNUSED(h))
 {
     wxFAIL_MSG("wxCairoRenderer::CreateSubBitmap is not implemented.");
     return wxNullGraphicsBitmap;