#ifndef _WX_GRAPHICS_H_
#define _WX_GRAPHICS_H_
-#if wxMAC_USE_CORE_GRAPHICS
-#undef wxUSE_GRAPHICS_CONTEXT
-#define wxUSE_GRAPHICS_CONTEXT 1
-#endif
-
-#ifndef wxUSE_GRAPHICS_CONTEXT
-#define wxUSE_GRAPHICS_CONTEXT 0
-#endif
-
#if wxUSE_GRAPHICS_CONTEXT
-// ---------------------------------------------------------------------------
-// macros
-// ---------------------------------------------------------------------------
-
#include "wx/geometry.h"
-#include "wx/dcclient.h"
#include "wx/dynarray.h"
+class WXDLLEXPORT wxWindowDC;
+
/*
* notes about the graphics context apis
*
* in direction of positive y axis.
*/
-class WXDLLEXPORT wxGraphicsPath
+class WXDLLEXPORT wxGraphicsPath : public wxObject
{
public :
wxGraphicsPath() {}
void AddCurveToPoint( const wxPoint2DDouble& c1, const wxPoint2DDouble& c2, const wxPoint2DDouble& e);
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;
DECLARE_NO_COPY_CLASS(wxGraphicsPath)
+ DECLARE_ABSTRACT_CLASS(wxGraphicsPath)
};
-class WXDLLEXPORT wxGraphicsContext
+/*
+class WXDLLEXPORT wxGraphicsMatrix
+{
+public :
+ wxGraphicsMatrix() {}
+
+ virtual ~wxGraphicsMatrix() {}
+
+ wxGraphicsMatrix* Concat( const wxGraphicsMatrix *t ) const;
+
+ // returns the inverse matrix
+ wxGraphicsMatrix* Invert() const;
+
+ // returns true if the elements of the transformation matrix are equal ?
+ bool operator==(const wxGraphicsMatrix& t) const;
+
+ // return true if this is the identity matrix
+ bool IsIdentity();
+
+ //
+ // transformation
+ //
+
+ // translate
+ virtual void Translate( wxDouble dx , wxDouble dy ) = 0;
+
+ // scale
+ virtual void Scale( wxDouble xScale , wxDouble yScale ) = 0;
+
+ // rotate (radians)
+ virtual void Rotate( wxDouble angle ) = 0;
+} ;
+*/
+
+class WXDLLEXPORT wxGraphicsContext : public wxObject
{
public:
wxGraphicsContext() {}
+
virtual ~wxGraphicsContext() {}
static wxGraphicsContext* Create( const wxWindowDC& dc) ;
+
+ static wxGraphicsContext* CreateFromNative( void * context ) ;
+
+#ifdef __WXMAC__
+ static wxGraphicsContext* CreateFromNativeWindow( void * window ) ;
+#endif
+ 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;
-
+
+ /*
+ // 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;
+ */
+
// push the current state of the context, ie the transformation matrix on a stack
virtual void PushState() = 0;
// pops a stored state from the stack
virtual void PopState() = 0;
- // clips drawings to the region
+ // clips drawings to the region, combined to current clipping region
virtual void Clip( const wxRegion ®ion ) = 0;
+ // clips drawings to the rect
+ virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) = 0;
+
+ // resets the clipping to original extent
+ virtual void ResetClip() = 0 ;
+
+ // returns the native context
+ virtual void * GetNativeContext() = 0;
+
//
- // transformation
+ // transformation : changes the current transformation matrix CTM of the context
//
// translate
// draws a path by first filling and then stroking
virtual void DrawPath( const wxGraphicsPath *path, int fillStyle = wxWINDING_RULE );
-
+
//
// text
//
// wrappers using wxPoint2DDouble TODO
DECLARE_NO_COPY_CLASS(wxGraphicsContext)
+ DECLARE_ABSTRACT_CLASS(wxGraphicsContext)
};
-class WXDLLEXPORT wxGCDC: public wxDC
-{
- 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();
-
- wxGraphicsContext* GetGraphicContext() { return m_graphicContext; }
-
-protected:
- // the true implementations
- virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
- int style = wxFLOOD_SURFACE);
-
- virtual void DoGradientFillLinear(const wxRect& rect,
- const wxColour& initialColour,
- const wxColour& destColour,
- wxDirection nDirection = wxEAST);
-
- 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);
-
- virtual void DoDrawArc(wxCoord x1, wxCoord y1,
- wxCoord x2, wxCoord y2,
- wxCoord xc, wxCoord yc);
-
- virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
- wxCoord width, wxCoord height);
-
- virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
- double sa, double ea);
-
- 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);
-
- virtual void DoCrossHair(wxCoord x, wxCoord y);
-
- virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
- virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
- bool useMask = false);
-
- virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
- virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
- double angle);
-
- 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);
-
- virtual void DoGetSize(int *,int *) const;
- virtual void DoGetSizeMM(int* width, int* height) const;
-
- 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 void DoSetClippingRegionAsRegion(const wxRegion& region);
- virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
- wxCoord width, wxCoord height);
-
- virtual void DoGetTextExtent(const wxString& string,
- wxCoord *x, wxCoord *y,
- wxCoord *descent = NULL,
- wxCoord *externalLeading = NULL,
- wxFont *theFont = NULL) const;
-
- virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
-
-protected:
- // scaling variables
- double m_mm_to_pix_x, m_mm_to_pix_y;
-
- wxGraphicsContext* m_graphicContext;
-};
#endif
-#endif
- // _WX_GRID_H_BASE_
+#endif // _WX_GRAPHICS_H_
projects / wxWidgets.git / blobdiff