Add wxFilterClassFactory::PopExtension().

[wxWidgets.git] / include / wx / graphics.h

diff --git a/include/wx/graphics.h b/include/wx/graphics.h
index 1f6a81f733eb1bbd3094df4ba9d427dcd33904f6..ed34383ac8defd57c68b8f79612437452009436e 100755 (executable)
--- a/include/wx/graphics.h
+++ b/include/wx/graphics.h
@@ -12,12 +12,20 @@
 #ifndef _WX_GRAPHICS_H_
 #define _WX_GRAPHICS_H_
 
 #ifndef _WX_GRAPHICS_H_
 #define _WX_GRAPHICS_H_
 

+#if wxUSE_GRAPHICS_CONTEXT
+

 #include "wx/geometry.h"
 #include "wx/dynarray.h"
 
 #include "wx/geometry.h"
 #include "wx/dynarray.h"
 

-class WXDLLEXPORT wxWindowDC;
-
-#if wxUSE_GRAPHICS_CONTEXT
+class WXDLLIMPEXP_CORE wxWindowDC;
+class WXDLLIMPEXP_CORE wxGraphicsContext;
+class WXDLLIMPEXP_CORE wxGraphicsPath;
+class WXDLLIMPEXP_CORE wxGraphicsMatrix;
+class WXDLLIMPEXP_CORE wxGraphicsFigure;
+class WXDLLIMPEXP_CORE wxGraphicsRenderer;
+class WXDLLIMPEXP_CORE wxGraphicsPen;
+class WXDLLIMPEXP_CORE wxGraphicsBrush;
+class WXDLLIMPEXP_CORE wxGraphicsFont;

 
 /*
  * notes about the graphics context apis
 
 /*
  * notes about the graphics context apis


@@ -26,33 +34,96 @@ class WXDLLEXPORT wxWindowDC;
  * in direction of positive y axis.
  */
  
  * in direction of positive y axis.
  */
  

-class WXDLLEXPORT wxGraphicsPath
+// Base class of all objects used for drawing in the new graphics API, the always point back to their
+// originating rendering engine, there is no dynamic unloading of a renderer currently allowed, 
+// these references are not counted
+ 
+class WXDLLIMPEXP_CORE wxGraphicsObject : public wxObject
+{
+public :
+       wxGraphicsObject( wxGraphicsRenderer* renderer = NULL ) : m_renderer(renderer) {}
+       
+       wxGraphicsObject( const wxGraphicsObject& obj ) : m_renderer(obj.GetRenderer()) {}
+       
+       virtual ~wxGraphicsObject() {}
+       
+       wxGraphicsRenderer* GetRenderer() const { return m_renderer ; }
+protected :
+       wxGraphicsRenderer* m_renderer;
+       DECLARE_DYNAMIC_CLASS(wxGraphicsObject);
+} ;
+
+class WXDLLIMPEXP_CORE wxGraphicsPen : public wxGraphicsObject
+{
+public :
+    wxGraphicsPen(wxGraphicsRenderer* renderer) : wxGraphicsObject(renderer) {}
+    virtual ~wxGraphicsPen() {}
+    virtual void Apply( wxGraphicsContext* context) = 0;
+    virtual wxDouble GetWidth() = 0;
+private :
+    DECLARE_NO_COPY_CLASS(wxGraphicsPen)
+    DECLARE_ABSTRACT_CLASS(wxGraphicsPen)
+} ;
+
+class WXDLLIMPEXP_CORE wxGraphicsBrush : public wxGraphicsObject
+{
+public :
+    wxGraphicsBrush(wxGraphicsRenderer* renderer) : wxGraphicsObject(renderer) {}
+    virtual ~wxGraphicsBrush() {}
+    virtual void Apply( wxGraphicsContext* context) = 0;
+private :
+    DECLARE_NO_COPY_CLASS(wxGraphicsBrush)
+    DECLARE_ABSTRACT_CLASS(wxGraphicsBrush)
+} ;
+
+class WXDLLIMPEXP_CORE wxGraphicsFont : public wxGraphicsObject

 {
 public :
 {
 public :

-    wxGraphicsPath() {}
+    wxGraphicsFont(wxGraphicsRenderer* renderer) : wxGraphicsObject(renderer) {}
+    virtual ~wxGraphicsFont() {}
+    virtual void Apply( wxGraphicsContext* context) = 0;
+private :
+    DECLARE_NO_COPY_CLASS(wxGraphicsFont)
+    DECLARE_ABSTRACT_CLASS(wxGraphicsFont)
+} ;
+
+class WXDLLIMPEXP_CORE wxGraphicsPath : public wxGraphicsObject
+{
+public :
+    wxGraphicsPath(wxGraphicsRenderer* renderer) : wxGraphicsObject(renderer) {}

     virtual ~wxGraphicsPath() {}
     
     virtual ~wxGraphicsPath() {}
     

+    virtual wxGraphicsPath *Clone() const = 0;
+

     //
     // These are the path primitives from which everything else can be constructed
     //
 
     // begins a new subpath at (x,y)
     virtual void MoveToPoint( wxDouble x, wxDouble y ) = 0;
     //
     // These are the path primitives from which everything else can be constructed
     //
 
     // begins a new subpath at (x,y)
     virtual void MoveToPoint( wxDouble x, wxDouble y ) = 0;

+    void MoveToPoint( const wxPoint2DDouble& p);

 
     // adds a straight line from the current point to (x,y) 
     virtual void AddLineToPoint( wxDouble x, wxDouble y ) = 0;
 
     // adds a straight line from the current point to (x,y) 
     virtual void AddLineToPoint( wxDouble x, wxDouble y ) = 0;

+    void AddLineToPoint( const wxPoint2DDouble& p);

 
     // adds a cubic Bezier curve from the current point, using two control points and an end point
     virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) = 0;
 
     // adds a cubic Bezier curve from the current point, using two control points and an end point
     virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) = 0;

+    void AddCurveToPoint( const wxPoint2DDouble& c1, const wxPoint2DDouble& c2, const wxPoint2DDouble& e);
+       
+       // adds another path
+       virtual void AddPath( const wxGraphicsPath* path ) =0;

 
     // closes the current sub-path
     virtual void CloseSubpath() = 0;
 
     // gets the last point of the current path, (0,0) if not yet set
     virtual void GetCurrentPoint( wxDouble& x, wxDouble&y) = 0;
 
     // closes the current sub-path
     virtual void CloseSubpath() = 0;
 
     // gets the last point of the current path, (0,0) if not yet set
     virtual void GetCurrentPoint( wxDouble& x, wxDouble&y) = 0;

+    wxPoint2DDouble GetCurrentPoint();

 
     // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
     virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ) = 0;
 
     // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
     virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ) = 0;

+       void AddArc( const wxPoint2DDouble& c, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise);

 
     //
     // These are convenience functions which - if not available natively will be assembled 
 
     //
     // These are convenience functions which - if not available natively will be assembled 


@@ -68,79 +139,132 @@ public :
     // appends an ellipsis as a new closed subpath fitting the passed rectangle
     virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r );
 
     // appends an ellipsis as a new closed subpath fitting the passed rectangle
     virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r );
 

-    // draws a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1)
+    // appends a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1)

     virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) ;
     virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) ;

+       
+    // appends an ellipse
+    virtual void AddEllipse( wxDouble x, wxDouble y, wxDouble w, wxDouble h);

 
 

-    // wrappers using wxPoint2DDoubles
-
-    wxPoint2DDouble GetCurrentPoint();
-
-    void MoveToPoint( const wxPoint2DDouble& p);
-
-    void AddLineToPoint( const wxPoint2DDouble& p);
-
-    void AddCurveToPoint( const wxPoint2DDouble& c1, const wxPoint2DDouble& c2, const wxPoint2DDouble& e);
+    // appends a rounded rectangle
+    virtual void AddRoundedRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h, wxDouble radius);

 
 

-    void AddArc( const wxPoint2DDouble& c, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise);
+       // returns the native path
+       virtual void * GetNativePath() const = 0;
+       
+       // give the native path returned by GetNativePath() back (there might be some deallocations necessary)
+       virtual void UnGetNativePath(void *p) = 0;
+       
+       // transforms each point of this path by the matrix
+       virtual void Transform( wxGraphicsMatrix* matrix ) =0;
+       
+       // gets the bounding box enclosing all points (possibly including control points)
+       virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) =0;
+       wxRect2DDouble GetBox();
+       
+       virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxWINDING_RULE) =0;
+       bool Contains( const wxPoint2DDouble& c, int fillStyle = wxWINDING_RULE);

        
     DECLARE_NO_COPY_CLASS(wxGraphicsPath)
        
     DECLARE_NO_COPY_CLASS(wxGraphicsPath)

+    DECLARE_ABSTRACT_CLASS(wxGraphicsPath)

 };
 
 };
 

-/*
-class WXDLLEXPORT wxGraphicsMatrix
+class WXDLLIMPEXP_CORE wxGraphicsMatrix : public wxGraphicsObject

 {
 public :
 {
 public :

-       wxGraphicsMatrix() {}
+       wxGraphicsMatrix(wxGraphicsRenderer* renderer) : wxGraphicsObject(renderer) {}

        
        virtual ~wxGraphicsMatrix() {}
        
        
        virtual ~wxGraphicsMatrix() {}
        

-       wxGraphicsMatrix* Concat( const wxGraphicsMatrix *t ) const;
+    virtual wxGraphicsMatrix *Clone() const = 0;
+
+       // concatenates the matrix
+       virtual void Concat( const wxGraphicsMatrix *t ) = 0;
+       void Concat( const wxGraphicsMatrix &t ) { Concat( &t ); }

        
        

-       // returns the inverse matrix
-       wxGraphicsMatrix* Invert() const;
+       // copies the passed in matrix
+       virtual void Copy( const wxGraphicsMatrix *t )  = 0;
+       void Copy( const wxGraphicsMatrix &t ) { Copy( &t ); }
+
+       // sets the matrix to the respective values
+       virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, 
+               wxDouble tx=0.0, wxDouble ty=0.0) = 0;
+
+       // makes this the inverse matrix
+       virtual void Invert() = 0;

        
        // returns true if the elements of the transformation matrix are equal ?
        
        // returns true if the elements of the transformation matrix are equal ?

-    bool operator==(const wxGraphicsMatrix& t) const;
+    virtual bool IsEqual( const wxGraphicsMatrix* t) const  = 0;
+       bool IsEqual( const wxGraphicsMatrix& t) const { return IsEqual( &t ); }

        
        // return true if this is the identity matrix
        
        // return true if this is the identity matrix

-       bool IsIdentity();
+       virtual bool IsIdentity()  = 0;

        
     //
     // transformation
     //
     
        
     //
     // transformation
     //
     

-    // translate
+    // add the translation to this matrix

     virtual void Translate( wxDouble dx , wxDouble dy ) = 0;
 
     virtual void Translate( wxDouble dx , wxDouble dy ) = 0;
 

-    // scale
+    // add the scale to this matrix

     virtual void Scale( wxDouble xScale , wxDouble yScale ) = 0;
 
     virtual void Scale( wxDouble xScale , wxDouble yScale ) = 0;
 

-    // rotate (radians)
+    // add the rotation to this matrix (radians)

     virtual void Rotate( wxDouble angle ) = 0; 
     virtual void Rotate( wxDouble angle ) = 0; 

+       
+    //
+    // apply the transforms
+    //
+       
+       // applies that matrix to the point
+       virtual void TransformPoint( wxDouble *x, wxDouble *y ) = 0;
+       
+       // applies the matrix except for translations
+       virtual void TransformDistance( wxDouble *dx, wxDouble *dy ) =0;
+       
+       // returns the native representation
+       virtual void * GetNativeMatrix() const = 0;
+       
+    DECLARE_NO_COPY_CLASS(wxGraphicsMatrix)
+    DECLARE_ABSTRACT_CLASS(wxGraphicsMatrix)

 } ;
 } ;

-*/

 
 

-class WXDLLEXPORT wxGraphicsContext
+class WXDLLIMPEXP_CORE wxGraphicsContext : public wxGraphicsObject

 {
 public:
 {
 public:

-    wxGraphicsContext() {}
+    wxGraphicsContext(wxGraphicsRenderer* renderer);

 
 

-    virtual ~wxGraphicsContext() {}
+    virtual ~wxGraphicsContext();

     
     static wxGraphicsContext* Create( const wxWindowDC& dc) ;
        
     
     static wxGraphicsContext* Create( const wxWindowDC& dc) ;
        

-    static wxGraphicsContext* CreateFromNative( void * native ) ;
+    static wxGraphicsContext* CreateFromNative( void * context ) ;
+
+    static wxGraphicsContext* CreateFromNativeWindow( void * window ) ;

 
     static wxGraphicsContext* Create( wxWindow* window ) ;
 
 
     static wxGraphicsContext* Create( wxWindow* window ) ;
 

-    // creates a path instance that corresponds to the type of graphics context, ie GDIPlus, cairo, CoreGraphics ...
-    virtual wxGraphicsPath * CreatePath() = 0;
+    wxGraphicsPath * CreatePath();

        
        

-       /*
+    virtual wxGraphicsPen* CreatePen(const wxPen& pen);
+    
+    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);
+
+    // 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);
+
+    // sets the font
+    virtual wxGraphicsFont* CreateFont( const wxFont &font , const wxColour &col = *wxBLACK );
+

        // create a 'native' matrix corresponding to these values
        virtual wxGraphicsMatrix* CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, 
        // create a 'native' matrix corresponding to these values
        virtual wxGraphicsMatrix* CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, 

-               wxDouble tx=0.0, wxDouble ty=0.0) = 0;
-       */
+               wxDouble tx=0.0, wxDouble ty=0.0);

        
     // push the current state of the context, ie the transformation matrix on a stack
     virtual void PushState() = 0;
        
     // push the current state of the context, ie the transformation matrix on a stack
     virtual void PushState() = 0;


@@ -172,32 +296,34 @@ public:
 
     // rotate (radians)
     virtual void Rotate( wxDouble angle ) = 0;
 
     // rotate (radians)
     virtual void Rotate( wxDouble angle ) = 0;

+       
+       // concatenates this transform with the current transform of this context
+       virtual void ConcatTransform( const wxGraphicsMatrix* matrix ) = 0;

 
 

+       // sets the transform of this context
+       virtual void SetTransform( const wxGraphicsMatrix* matrix ) = 0;
+
+       // gets the matrix of this context
+       virtual void GetTransform( wxGraphicsMatrix* matrix ) = 0;

     //
     // setting the paint
     //
     
     //
     // setting the paint
     //
     

-    // sets the pan
-    virtual void SetPen( const wxPen &pen ) = 0;
+    // sets the pen
+    virtual void SetPen( wxGraphicsPen* pen , bool release = true );
+    
+    void SetPen( const wxPen& pen );

 
     // sets the brush for filling
 
     // sets the brush for filling

-    virtual void SetBrush( const wxBrush &brush ) = 0;
-
-    // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
-    virtual void SetLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, 
-        const wxColour&c1, const wxColour&c2) = 0;
-
-    // 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 void SetRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
-        const wxColour &oColor, const wxColour &cColor) = 0;
+    virtual void SetBrush( wxGraphicsBrush* brush , bool release = true );
+    
+    void SetBrush( const wxBrush& brush );

 
     // sets the font
 
     // sets the font

-    virtual void SetFont( const wxFont &font ) = 0;
+    virtual void SetFont( wxGraphicsFont* font, bool release = true );
+    
+    void SetFont( const wxFont& font, const wxColour& colour );

     
     

-    // sets the text color
-    virtual void SetTextColor( const wxColour &col ) = 0;
-

     // strokes along a path with the current pen
     virtual void StrokePath( const wxGraphicsPath *path ) = 0;
 
     // strokes along a path with the current pen
     virtual void StrokePath( const wxGraphicsPath *path ) = 0;
 


@@ -255,165 +381,115 @@ public:
 
      // wrappers using wxPoint2DDouble TODO
 
 
      // wrappers using wxPoint2DDouble TODO
 

-    DECLARE_NO_COPY_CLASS(wxGraphicsContext)
-};
-
-#ifdef __WXMAC__
-#define wxGCDC wxDC
-#endif
-
-class WXDLLEXPORT wxGCDC: 
-#idef __WXMAC__
-       public wxDCBase
-#else
-       public wxDC
-#endif
-{
-    DECLARE_DYNAMIC_CLASS(wxGCDC)
-    DECLARE_NO_COPY_CLASS(wxGCDC)
-
-public:
-    wxGCDC(const wxWindowDC& dc);
-    wxGCDC();
-    virtual ~wxGCDC();
-
-    void Init();
-
-
-    // implement base class pure virtuals
-    // ----------------------------------
-
-    virtual void Clear();
-
-    virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return true; }
-    virtual void EndDoc(void) {}
-
-    virtual void StartPage(void) {}
-    virtual void EndPage(void) {}
-
-    virtual void SetFont(const wxFont& font);
-    virtual void SetPen(const wxPen& pen);
-    virtual void SetBrush(const wxBrush& brush);
-    virtual void SetBackground(const wxBrush& brush);
-    virtual void SetBackgroundMode(int mode);
-    virtual void SetPalette(const wxPalette& palette);
-
-    virtual void DestroyClippingRegion();
-
-    virtual wxCoord GetCharHeight() const;
-    virtual wxCoord GetCharWidth() const;
-
-    virtual bool CanDrawBitmap() const;
-    virtual bool CanGetTextExtent() const;
-    virtual int GetDepth() const;
-    virtual wxSize GetPPI() const;
-
-    virtual void SetMapMode(int mode);
-    virtual void SetUserScale(double x, double y);
-
-    virtual void SetLogicalScale(double x, double y);
-    virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
-    virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
-    virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
-    virtual void SetLogicalFunction(int function);
-
-    virtual void SetTextForeground(const wxColour& colour);
-    virtual void SetTextBackground(const wxColour& colour);
-
-    virtual void ComputeScaleAndOrigin();
+    // helper to determine if a 0.5 offset should be applied for the drawing operation
+    virtual bool ShouldOffset() const { return false; }

 
 

-    wxGraphicsContext* GetGraphicContext() { return m_graphicContext; }
-       virtual void SetGraphicsContext( wxGraphicsContext* ctx )
-               { delete m_graphicContext; m_graphicContext = ctx; }
-protected:
-    // the true implementations
-    virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
-        int style = wxFLOOD_SURFACE);
+protected :

 
 

-    virtual void DoGradientFillLinear(const wxRect& rect,
-        const wxColour& initialColour,
-        const wxColour& destColour,
-        wxDirection nDirection = wxEAST);
+    wxGraphicsPen* m_pen;
+    bool m_releasePen;
+    wxGraphicsBrush* m_brush;
+    bool m_releaseBrush;
+    wxGraphicsFont* m_font;
+    bool m_releaseFont;

 
 

-    virtual void DoGradientFillConcentric(const wxRect& rect,
-        const wxColour& initialColour,
-        const wxColour& destColour,
-        const wxPoint& circleCenter);
-
-    virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
-
-    virtual void DoDrawPoint(wxCoord x, wxCoord y);
-
-#if wxUSE_SPLINES
-    virtual void DoDrawSpline(wxList *points);
-#endif
-
-    virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
+private :
+    DECLARE_NO_COPY_CLASS(wxGraphicsContext)
+    DECLARE_ABSTRACT_CLASS(wxGraphicsContext)
+};

 
 

-    virtual void DoDrawArc(wxCoord x1, wxCoord y1,
-        wxCoord x2, wxCoord y2,
-        wxCoord xc, wxCoord yc);
+#if 0 

 
 

-    virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
-        wxCoord width, wxCoord height);
+//
+// A graphics figure allows to cache path, pen etc creations, also will be a basis for layering/grouping elements
+//

 
 

-    virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
-        double sa, double ea);
+class WXDLLIMPEXP_CORE wxGraphicsFigure : public wxGraphicsObject
+{
+public :
+       wxGraphicsFigure(wxGraphicsRenderer* renderer) ;
+               
+       virtual ~wxGraphicsFigure() ;
+       
+       void SetPath( wxGraphicsMatrix* matrix );
+       
+       void SetMatrix( wxGraphicsPath* path);

 
 

-    virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
-    virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
-        wxCoord width, wxCoord height,
-        double radius);
-    virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
+       // draws this object on the context
+       virtual void Draw( wxGraphicsContext* cg );
+       
+       // returns the path of this object
+       wxGraphicsPath* GetPath() { return m_path; }
+       
+       // returns the transformation matrix of this object, may be null if there is no transformation necessary
+       wxGraphicsMatrix* GetMatrix() { return m_matrix; }
+       
+private :
+       wxGraphicsMatrix* m_matrix;
+       wxGraphicsPath* m_path;
+    
+    DECLARE_DYNAMIC_CLASS(wxGraphicsFigure)
+} ;
+  
+#endif  

 
 

-    virtual void DoCrossHair(wxCoord x, wxCoord y);
+//
+// The graphics renderer is the instance corresponding to the rendering engine used, eg there is ONE core graphics renderer
+// instance on OSX. This instance is pointed back to by all objects created by it. Therefore you can create eg additional
+// paths at any point from a given matrix etc.
+//

 
 

-    virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
-    virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
-        bool useMask = false);
+class WXDLLIMPEXP_CORE wxGraphicsRenderer : public wxObject
+{
+public :
+    wxGraphicsRenderer() {}

 
 

-    virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
-    virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
-        double angle);
+    virtual ~wxGraphicsRenderer() {}

 
 

-    virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
-        wxDC *source, wxCoord xsrc, wxCoord ysrc,
-        int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
+       static wxGraphicsRenderer* GetDefaultRenderer();

 
 

-    virtual void DoGetSize(int *,int *) const;
-    virtual void DoGetSizeMM(int* width, int* height) const;
+       // Context

 
 

-    virtual void DoDrawLines(int n, wxPoint points[],
-        wxCoord xoffset, wxCoord yoffset);
-    virtual void DoDrawPolygon(int n, wxPoint points[],
-        wxCoord xoffset, wxCoord yoffset,
-        int fillStyle = wxODDEVEN_RULE);
-    virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[],
-        wxCoord xoffset, wxCoord yoffset,
-        int fillStyle);
+       virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc) = 0 ;
+       
+       virtual wxGraphicsContext * CreateContextFromNativeContext( void * context ) = 0;

 
 

-    virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
-    virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
-        wxCoord width, wxCoord height);
+       virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window ) = 0;

 
 

-    virtual void DoGetTextExtent(const wxString& string,
-        wxCoord *x, wxCoord *y,
-        wxCoord *descent = NULL,
-        wxCoord *externalLeading = NULL,
-        wxFont *theFont = NULL) const;
+       virtual wxGraphicsContext * CreateContext( wxWindow* window ) = 0;

 
 

-    virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
+       // Path
+       
+    virtual wxGraphicsPath * CreatePath() = 0;

 
 

-protected:
-    // scaling variables
-    double       m_mm_to_pix_x, m_mm_to_pix_y;
+       // Matrix

        
        

-       double m_formerScaleX, m_formerScaleY;
+       virtual wxGraphicsMatrix * CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, 
+               wxDouble tx=0.0, wxDouble ty=0.0) = 0;
+        
+    // Paints
+    
+    virtual wxGraphicsPen* CreatePen(const wxPen& pen) = 0 ;
+    
+    virtual wxGraphicsBrush* CreateBrush(const wxBrush& brush ) = 0 ;
+    
+    // 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) = 0;

 
 

-    wxGraphicsContext* m_graphicContext;
-};
+    // 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) = 0;

 
 

-#endif
+   // sets the font
+    virtual wxGraphicsFont* CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) = 0;
+    
+private :
+       DECLARE_NO_COPY_CLASS(wxGraphicsRenderer)
+    DECLARE_ABSTRACT_CLASS(wxGraphicsRenderer)
+} ;

 
 #endif
 
 #endif

-    // _WX_GRID_H_BASE_
+
+#endif // _WX_GRAPHICS_H_