fix crash which happened if you called SetAttr(NULL) followed by SetAttr(attr) (...

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

diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp
index 2f29da4b3cf30774736237954290a97616a86a55..08b92ef8c7d8f3bb1559ffb3ba41d9efcfcd669f 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__
@@ -106,7 +107,7 @@ static inline double RadToDeg(double deg)
 #endif
 
 #ifdef __WXMAC__
-#include "wx/mac/private.h"
+#include "wx/osx/private.h"
 #include <cairo-quartz.h>
 #include <cairo-atsui.h>
 #endif
@@ -323,6 +324,8 @@ class WXDLLIMPEXP_CORE wxCairoContext : public wxGraphicsContext
 
 public:
     wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc );
+    wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc );
+    wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC& dc );
 #ifdef __WXGTK__
     wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawable );
 #endif
@@ -1032,12 +1035,49 @@ public :
     bool m_offset;
 } ;
 
+wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC& dc )
+: wxGraphicsContext(renderer)
+{
+#ifdef __WXGTK20__
+    const wxDCImpl *impl = dc.GetImpl();
+    Init( (cairo_t*) impl->GetCairoContext() );
+
+    wxPoint org = dc.GetDeviceOrigin();
+    cairo_translate( m_context, org.x, org.y );
+    
+    double sx,sy;
+    dc.GetUserScale( &sx, &sy );
+    cairo_scale( m_context, sx, sy );
+
+    org = dc.GetLogicalOrigin();
+    cairo_translate( m_context, -org.x, -org.y );
+#endif
+}
+
 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc )
 : wxGraphicsContext(renderer)
 {
-#ifdef __WXGTK__
-    Init( gdk_cairo_create( dc.m_window ) );
+#ifdef __WXGTK20__
+    wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
+    Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
+    
+#if 0 
+    wxGraphicsMatrix matrix = CreateMatrix();
+    
+    wxPoint org = dc.GetDeviceOrigin();
+    matrix.Translate( org.x, org.y );
+    
+    org = dc.GetLogicalOrigin();
+    matrix.Translate( -org.x, -org.y );
+
+    double sx,sy;
+    dc.GetUserScale( &sx, &sy );
+    matrix.Scale( sx, sy );
+
+    ConcatTransform( matrix );
+#endif
 #endif
+
 #ifdef __WXMAC__
     int width, height;
     dc.GetSize( &width, &height );
@@ -1048,7 +1088,41 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC&
 #endif
 }
 
-#ifdef __WXGTK__
+wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc )
+: wxGraphicsContext(renderer)
+{
+#ifdef __WXGTK20__
+    wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
+    Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
+    
+#if 0 
+    wxGraphicsMatrix matrix = CreateMatrix();
+    
+    wxPoint org = dc.GetDeviceOrigin();
+    matrix.Translate( org.x, org.y );
+    
+    org = dc.GetLogicalOrigin();
+    matrix.Translate( -org.x, -org.y );
+
+    double sx,sy;
+    dc.GetUserScale( &sx, &sy );
+    matrix.Scale( sx, sy );
+
+    ConcatTransform( matrix );
+#endif
+#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
+}
+
+#ifdef __WXGTK20__
 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawable )
 : wxGraphicsContext(renderer)
 {
@@ -1460,10 +1534,8 @@ public :
     // Context
 
     virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
-
-#ifdef __WXMSW__
     virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc);
-#endif
+    virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc);
 
     virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
 
@@ -1499,6 +1571,20 @@ public :
     // sets the font
     virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;
 
+    // create a native bitmap representation
+#if 0
+    virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap )
+    {
+      return wxGraphicsBitmap;
+    }
+    
+    // create a subimage from a native image representation
+    virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h  )
+    {
+      return wxGraphicsBitmap;
+    }
+#endif
+
 private :
     DECLARE_DYNAMIC_CLASS_NO_COPY(wxCairoRenderer)
 } ;
@@ -1526,12 +1612,22 @@ 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);
 }
+
+wxGraphicsContext * wxCairoRenderer::CreateContext( const wxPrinterDC& dc)
+{
+#ifdef __WXGTK20__
+    const wxDCImpl *impl = dc.GetImpl();
+    cairo_t* context = (cairo_t*) impl->GetCairoContext();
+    if (context)
+       return new wxCairoContext(this,dc);
+    else
 #endif
+       return NULL;
+}
 
 wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeContext( void * context )
 {