Added new wxGraphicsContext:Create( wxPrinterDC ) instead of wxDC:CreateGraphicsContext

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53406 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dc.h

@@ -42,11 +42,6 @@ class WXDLLIMPEXP_FWD_CORE wxMemoryDC;
 class WXDLLIMPEXP_FWD_CORE wxPrinterDC;
 class WXDLLIMPEXP_FWD_CORE wxPrintData;
 
-
-#if wxUSE_GRAPHICS_CONTEXT
-class WXDLLIMPEXP_FWD_CORE wxGraphicsContext;
-#endif
-
 //-----------------------------------------------------------------------------
 // wxDrawObject helper class
 //-----------------------------------------------------------------------------
@@ -187,14 +182,11 @@ public:
     virtual bool CanDrawBitmap() const = 0;
     virtual bool CanGetTextExtent() const = 0;
 
-    // get graphics context from 
-
-#if wxUSE_GRAPHICS_CONTEXT
-    virtual wxGraphicsContext* CreateGraphicsContext()
+    // get Cairo context
+    virtual void* GetCairoContext() const
     {
         return NULL;
     }
-#endif
 
     // query dimension, colour deps, resolution
 
@@ -634,11 +626,6 @@ public:
     bool IsOk() const
         { return m_pimpl && m_pimpl->IsOk(); }
 
-#if wxUSE_GRAPHICS_CONTEXT
-    wxGraphicsContext* CreateGraphicsContext()
-        { return m_pimpl->CreateGraphicsContext(); }
-#endif
-
     // query capabilities
 
     bool CanDrawBitmap() const

include/wx/graphics.h

@@ -21,6 +21,7 @@
 
 class WXDLLIMPEXP_FWD_CORE wxWindowDC;
 class WXDLLIMPEXP_FWD_CORE wxMemoryDC;
+class WXDLLIMPEXP_FWD_CORE wxPrinterDC;
 class WXDLLIMPEXP_FWD_CORE wxGraphicsContext;
 class WXDLLIMPEXP_FWD_CORE wxGraphicsPath;
 class WXDLLIMPEXP_FWD_CORE wxGraphicsMatrix;
@@ -277,6 +278,7 @@ public:
     
     static wxGraphicsContext* Create( const wxWindowDC& dc) ;
     static wxGraphicsContext * Create( const wxMemoryDC& dc) ;
+    static wxGraphicsContext * Create( const wxPrinterDC& dc) ;
 
     static wxGraphicsContext* CreateFromNative( void * context ) ;
 
@@ -543,6 +545,7 @@ public :
 
     virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc) = 0 ;
     virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc) = 0 ;
+    virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc) = 0 ;
     
     virtual wxGraphicsContext * CreateContextFromNativeContext( void * context ) = 0;
 

include/wx/gtk/dcclient.h

@@ -28,10 +28,6 @@ public:
 
     virtual ~wxWindowDCImpl();
 
-#if wxUSE_GRAPHICS_CONTEXT
-    virtual wxGraphicsContext* CreateGraphicsContext();
-#endif
-
     virtual bool CanDrawBitmap() const { return true; }
     virtual bool CanGetTextExtent() const { return true; }
 

include/wx/gtk/dcmemory.h

@@ -26,10 +26,6 @@ public:
     
     virtual ~wxMemoryDCImpl();
 
-#if wxUSE_GRAPHICS_CONTEXT
-    virtual wxGraphicsContext* CreateGraphicsContext();
-#endif
-
     // these get reimplemented for mono-bitmaps to behave
     // more like their Win32 couterparts. They now interpret
     // wxWHITE, wxWHITE_BRUSH and wxWHITE_PEN as drawing 0

include/wx/gtk/print.h

@@ -227,9 +227,7 @@ public:
     bool Ok() const { return IsOk(); }
     bool IsOk() const;
 
-#if wxUSE_GRAPHICS_CONTEXT
-    virtual wxGraphicsContext* CreateGraphicsContext();
-#endif
+    virtual void* GetCairoContext() const;
 
     bool CanDrawBitmap() const { return true; }
     void Clear();

include/wx/msw/dcclient.h

@@ -43,10 +43,6 @@ public:
     // Create a DC corresponding to the whole window
     wxWindowDCImpl( wxDC *owner, wxWindow *win );
 
-#if wxUSE_GRAPHICS_CONTEXT
-    virtual wxGraphicsContext* CreateGraphicsContext();
-#endif
-
     virtual void DoGetSize(int *width, int *height) const;
 
 protected:

include/wx/msw/dcmemory.h

@@ -22,10 +22,6 @@ public:
     wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap );
     wxMemoryDCImpl( wxMemoryDC *owner, wxDC *dc ); // Create compatible DC
 
-#if wxUSE_GRAPHICS_CONTEXT
-    virtual wxGraphicsContext* CreateGraphicsContext();
-#endif
-
     // override some base class virtuals
     virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
     virtual void DoGetSize(int* width, int* height) const;

interface/graphics.h

@@ -192,9 +192,9 @@ public:
     @wxheader{graphics.h}
 
     A wxGraphicsContext instance is the object that is drawn upon. It is created by
-    a renderer using the CreateContext calls.., this can be either directly using a renderer
-    instance, or indirectly using the static convenience CreateXXX functions of
-    wxGraphicsContext that always delegate the task to the default renderer.
+    a renderer using wxGraphicsRenderer::CreateContext(). This can be either directly
+    using a renderer instance, or indirectly using the static convenience Create()
+    functions of wxGraphicsContext that always delegate the task to the default renderer.
 
     @code
     void MyCanvas::OnPaint(wxPaintEvent &event)
@@ -203,11 +203,11 @@ public:
         wxPaintDC dc(this);
         
         // Create graphics context from it
-        wxGraphicsContext *gc = dc.CreateGraphicsContext();
+        wxGraphicsContext *gc = wxGraphicsContext::CreateContext( dc );
     
         if (gc)
         {
-            // make a path that contains a circle and some lines, centered at 100,100
+            // make a path that contains a circle and some lines
             gc->SetPen( *wxRED_PEN );
             wxGraphicsPath path = gc->CreatePath();
             path.AddCircle( 50.0, 50.0, 50.0 );
@@ -234,28 +234,49 @@ public:
 class wxGraphicsContext : public wxGraphicsObject
 {
 public:
-    //@{
+    /**
+        Creates a wxGraphicsContext from a wxWindow.
+
+        @see wxGraphicsRenderer::CreateContext()
+    */
+    static wxGraphicsContext* Create( wxWindow* window ) ;
+    
+    /**
+        Creates a wxGraphicsContext from a wxWindowDC
+
+        @see wxGraphicsRenderer::CreateContext()
+    */
+    static wxGraphicsContext* Create( const wxWindowDC& dc) ;
+    
+    /**
+        Creates a wxGraphicsContext from a wxMemoryDC
+
+        @see wxGraphicsRenderer::CreateContext()
+    */
+    static wxGraphicsContext * Create( const wxMemoryDC& dc) ;
+    
+    /**
+        Creates a wxGraphicsContext from a wxPrinterDC
+
+        @see wxGraphicsRenderer::CreateContext()
+    */
+    static wxGraphicsContext * Create( const wxPrinterDC& dc) ;
+
+    /**
+        Clips drawings to the region
+    */
+    void Clip(const wxRegion& region);
+
     /**
         Clips drawings to the rectangle.
     */
-    void Clip(const wxRegion& region);
     void Clip(wxDouble x, wxDouble y, wxDouble w, wxDouble h);
-    //@}
 
     /**
         Concatenates the passed in transform with the current transform of this context
     */
     void ConcatTransform(const wxGraphicsMatrix& matrix);
 
-    //@{
-    /**
-        Creates a wxGraphicsContext from a wxWindow.
-
-        @see wxGraphicsRenderer:: CreateContext
-    */
-    wxGraphicsContext* Create(const wxWindowDC& dc);
-    wxGraphicsContext* Create(wxWindow* window);
-    //@}
 
     /**
         Creates a native brush from a wxBrush.

samples/printing/printing.cpp

@@ -412,7 +412,16 @@ void MyFrame::Draw(wxDC& dc)
         dc.DrawBitmap( m_bitmap, 10, 10 );
 
 #if wxUSE_GRAPHICS_CONTEXT
-    wxGraphicsContext *gc = dc.CreateGraphicsContext();
+    wxGraphicsContext *gc = NULL;
+
+    wxPrinterDC *printer_dc = wxDynamicCast( &dc, wxPrinterDC );
+    if (printer_dc)
+        gc = wxGraphicsContext::Create( *printer_dc );
+
+    wxWindowDC *window_dc = wxDynamicCast( &dc, wxWindowDC );
+    if (window_dc)
+        gc = wxGraphicsContext::Create( *window_dc );
+   
     if (gc)
     {
         // make a path that contains a circle and some lines, centered at 100,100

src/common/graphcmn.cpp

@@ -790,12 +790,17 @@ wxGraphicsBitmap wxGraphicsContext::CreateSubBitmap( const wxGraphicsBitmap &bmp
 #endif
 }
 
-wxGraphicsContext* wxGraphicsContext::Create( const wxWindowDC& dc) 
+/* static */ wxGraphicsContext* wxGraphicsContext::Create( const wxWindowDC& dc) 
 {
     return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(dc);
 }
 
-wxGraphicsContext* wxGraphicsContext::Create( const wxMemoryDC& dc) 
+/* static */ wxGraphicsContext* wxGraphicsContext::Create( const wxMemoryDC& dc) 
+{
+    return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(dc);
+}
+
+/* static */ wxGraphicsContext* wxGraphicsContext::Create( const wxPrinterDC& dc) 
 {
     return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(dc);
 }

src/generic/graphicc.cpp

@@ -1481,6 +1481,7 @@ public :
 
     virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
     virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc);
+    virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc);
 
     virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
 
@@ -1562,6 +1563,16 @@ wxGraphicsContext * wxCairoRenderer::CreateContext( const wxMemoryDC& dc)
     return new wxCairoContext(this,dc);
 }
 
+wxGraphicsContext * wxCairoRenderer::CreateContext( const wxPrinterDC& dc)
+{
+    const wxDCImpl *impl = dc.GetImpl();
+    cairo_t* context = (cairo_t*) impl->GetCairoContext();
+    if (context)
+       return new wxCairoContext(this,context);
+    else
+       return NULL;
+}
+
 wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeContext( void * context )
 {
     return new wxCairoContext(this,(cairo_t*)context);

src/gtk/dcclient.cpp

@@ -31,11 +31,6 @@
 
 #include <gdk/gdkx.h>
 
-#if wxUSE_GRAPHICS_CONTEXT
-#include "wx/graphics.h"
-#endif
-
-
 //-----------------------------------------------------------------------------
 // local defines
 //-----------------------------------------------------------------------------
@@ -370,14 +365,6 @@ wxWindowDCImpl::~wxWindowDCImpl()
         pango_font_description_free( m_fontdesc );
 }
 
-#if wxUSE_GRAPHICS_CONTEXT
-wxGraphicsContext* wxWindowDCImpl::CreateGraphicsContext()
-{
-    wxWindowDC *windowdc = (wxWindowDC*) GetOwner();
-    return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext( *windowdc );
-}
-#endif
-
 void wxWindowDCImpl::SetUpDC( bool isMemDC )
 {
     m_ok = true;

src/gtk/dcmemory.cpp

@@ -16,10 +16,6 @@
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>
 
-#if wxUSE_GRAPHICS_CONTEXT
-#include "wx/graphics.h"
-#endif
-
 //-----------------------------------------------------------------------------
 // wxMemoryDCImpl
 //-----------------------------------------------------------------------------
@@ -64,14 +60,6 @@ void wxMemoryDCImpl::Init()
     m_fontdesc = pango_font_description_copy( pango_context_get_font_description( m_context ) );
 }
 
-#if wxUSE_GRAPHICS_CONTEXT
-wxGraphicsContext* wxMemoryDCImpl::CreateGraphicsContext()
-{
-    wxMemoryDC *memdc = (wxMemoryDC*) GetOwner();
-    return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext( *memdc );
-}
-#endif
-
 void wxMemoryDCImpl::DoSelect( const wxBitmap& bitmap )
 {
     Destroy();

src/gtk/print.cpp

@@ -1159,12 +1159,10 @@ bool wxGtkPrinterDCImpl::IsOk() const
     return m_gpc != NULL;
 }
 
-#if wxUSE_GRAPHICS_CONTEXT
-wxGraphicsContext* wxGtkPrinterDCImpl::CreateGraphicsContext()
+void* wxGtkPrinterDCImpl::GetCairoContext() const
 {
-    return wxGraphicsRenderer::GetDefaultRenderer()->CreateContextFromNativeContext( (void*) m_cairo );
+    return (void*) cairo_reference( m_cairo );
 }
-#endif
 
 bool wxGtkPrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
                                wxCoord WXUNUSED(y1),

src/mac/carbon/graphics.cpp

@@ -2259,6 +2259,7 @@ public :
 
     virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
     virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc);
+    virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc);
 
     virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
 
@@ -2355,6 +2356,16 @@ wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxMemoryDC&
     return NULL;
 }
 
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxPrinterDC& dc )
+{
+#ifdef __WXMAC__
+    const wxDCImpl* impl = dc.GetImpl();
+    
+    // TODO
+#endif
+    return NULL;
+}
+
 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context )
 {
     return new wxMacCoreGraphicsContext(this,(CGContextRef)context);

src/msw/dcclient.cpp

@@ -33,10 +33,6 @@
     #include "wx/window.h"
 #endif
 
-#if wxUSE_GRAPHICS_CONTEXT
-#include "wx/graphics.h"
-#endif
-
 #include "wx/msw/private.h"
 
 // ----------------------------------------------------------------------------
@@ -122,14 +118,6 @@ void wxWindowDCImpl::InitDC()
 #endif
 }
 
-#if wxUSE_GRAPHICS_CONTEXT
-wxGraphicsContext* wxWindowDCImpl::CreateGraphicsContext()
-{
-    wxWindowDC *windowdc = (wxWindowDC*) GetOwner();
-    return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext( *windowdc );
-}
-#endif
-
 void wxWindowDCImpl::DoGetSize(int *width, int *height) const
 {
     wxCHECK_RET( m_window, _T("wxWindowDCImpl without a window?") );

src/msw/dcmemory.cpp

@@ -32,10 +32,6 @@
     #include "wx/log.h"
 #endif
 
-#if wxUSE_GRAPHICS_CONTEXT
-#include "wx/graphics.h"
-#endif
-
 #include "wx/msw/private.h"
 
 // ----------------------------------------------------------------------------
@@ -82,14 +78,6 @@ void wxMemoryDCImpl::Init()
     }
 }
 
-#if wxUSE_GRAPHICS_CONTEXT
-wxGraphicsContext* wxMemoryDCImpl::CreateGraphicsContext()
-{
-    wxMemoryDC *memdc = (wxMemoryDC*) GetOwner();
-    return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext( *memdc );
-}
-#endif
-
 bool wxMemoryDCImpl::CreateCompatible(wxDC *dc)
 {
     wxDCImpl *impl = dc ? dc->GetImpl() : NULL ;

src/msw/graphics.cpp

@@ -1408,6 +1408,8 @@ public :
 
     virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc);
 
+    virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc);
+    
     virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
 
     virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
@@ -1507,6 +1509,13 @@ wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxWindowDC& dc)
     return new wxGDIPlusContext(this,(HDC) msw->GetHDC());
 }
 
+wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxPrinterDC& dc)
+{
+    EnsureIsLoaded();
+    wxMSWDCImpl *msw = wxDynamicCast( dc.GetImpl() , wxMSWDCImpl );
+    return new wxGDIPlusContext(this,(HDC) msw->GetHDC());
+}
+
 wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxMemoryDC& dc)
 {
     EnsureIsLoaded();