Fixed a rare wxAuiFloatingFrame dtor crash on MSW using a registration mechanism...

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

diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp
index 728fc687f2897a9cb947bb9eee62f6f5e51c0f81..b70fbd4f9a4c4727d4621c22bc7f8ce8da0888a8 100644 (file)
--- a/src/generic/graphicc.cpp
+++ b/src/generic/graphicc.cpp
@@ -34,7 +34,7 @@
 #include "wx/module.h"
 #endif
 
-#include "wx/graphics.h"
+#include "wx/private/graphics.h"
 #include "wx/rawbmp.h"
 
 #include <vector>
@@ -99,6 +99,7 @@ static inline double RadToDeg(double deg)
 #ifdef __WXGTK__
 #include <gtk/gtk.h>
 #include "wx/fontutil.h"
+#include "wx/gtk/dc.h"
 #endif
 
 #ifdef __WXMSW__
@@ -323,6 +324,7 @@ class WXDLLIMPEXP_CORE wxCairoContext : public wxGraphicsContext
 
 public:
     wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc );
+    wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc );
 #ifdef __WXGTK__
     wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawable );
 #endif
@@ -735,6 +737,7 @@ void wxCairoFontData::Apply( wxGraphicsContext* context )
     // the rest is done using Pango layouts
 #elif defined(__WXMAC__)
     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_set_font_size(ctext, m_size );
@@ -1035,7 +1038,25 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC&
 : wxGraphicsContext(renderer)
 {
 #ifdef __WXGTK__
-    Init( gdk_cairo_create( dc.m_window ) );
+    wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
+    Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
+#endif
+#ifdef __WXMAC__
+    int width, height;
+    dc.GetSize( &width, &height );
+    CGContextRef cgcontext = (CGContextRef)dc.GetWindow()->MacGetCGContextRef();
+    cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(cgcontext, width, height);
+    Init( cairo_create( surface ) );
+    cairo_surface_destroy( surface );
+#endif
+}
+
+wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc )
+: wxGraphicsContext(renderer)
+{
+#ifdef __WXGTK__
+    wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
+    Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
 #endif
 #ifdef __WXMAC__
     int width, height;
@@ -1327,7 +1348,7 @@ void wxCairoContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
         return;
 
 #ifdef __WXGTK__
-    const wxCharBuffer data = wxConvUTF8.cWC2MB( str );
+    const wxCharBuffer data = str.utf8_str();
     if ( !data )
         return;
     size_t datalen = strlen(data);
@@ -1373,7 +1394,7 @@ void wxCairoContext::GetTextExtent( const wxString &str, wxDouble *width, wxDoub
   
     PangoLayout *layout = pango_cairo_create_layout (m_context);
     pango_layout_set_font_description( layout, ((wxCairoFontData*)m_font.GetRefData())->GetFont());
-    const wxCharBuffer data = wxConvUTF8.cWC2MB( str );
+    const wxCharBuffer data = str.utf8_str();
     if ( !data )
     {
         return;
@@ -1407,6 +1428,17 @@ void wxCairoContext::GetTextExtent( const wxString &str, wxDouble *width, wxDoub
     {
         cairo_font_extents_t fe;
         cairo_font_extents(m_context, &fe);
+        
+        // some backends have negative descents
+        
+        if ( fe.descent < 0 )
+            fe.descent = -fe.descent;
+    
+        if ( fe.height < (fe.ascent + fe.descent ) )
+        {
+            // some backends are broken re height ... (eg currently ATSUI)
+            fe.height = fe.ascent + fe.descent;
+        }
     
         if (height)
             *height = fe.height;
@@ -1448,10 +1480,7 @@ public :
     // Context
 
     virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
-
-#ifdef __WXMSW__
     virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc);
-#endif
 
     virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
 
@@ -1498,6 +1527,9 @@ private :
 IMPLEMENT_DYNAMIC_CLASS(wxCairoRenderer,wxGraphicsRenderer)
 
 static wxCairoRenderer gs_cairoGraphicsRenderer;
+// temporary hack to allow creating a cairo context on any platform
+extern wxGraphicsRenderer* gCairoRenderer;
+wxGraphicsRenderer* gCairoRenderer = &gs_cairoGraphicsRenderer;
 
 #ifdef __WXGTK__
 wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
@@ -1511,12 +1543,10 @@ wxGraphicsContext * wxCairoRenderer::CreateContext( const wxWindowDC& dc)
     return new wxCairoContext(this,dc);
 }
 
-#ifdef __WXMSW__
 wxGraphicsContext * wxCairoRenderer::CreateContext( const wxMemoryDC& dc)
 {
-    return NULL;
+    return new wxCairoContext(this,dc);
 }
-#endif
 
 wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeContext( void * context )
 {