#ifndef _WX_GRAPHICS_H_
#define _WX_GRAPHICS_H_
+#if wxUSE_GRAPHICS_CONTEXT
+
#include "wx/geometry.h"
#include "wx/dynarray.h"
class WXDLLEXPORT wxWindowDC;
-#if wxUSE_GRAPHICS_CONTEXT
-
/*
* notes about the graphics context apis
*
* in direction of positive y axis.
*/
-class WXDLLEXPORT wxGraphicsPath
+class WXDLLEXPORT wxGraphicsPath : public wxObject
{
public :
wxGraphicsPath() {}
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 wxGraphicsContext : public wxObject
{
public:
wxGraphicsContext() {}
// draws a rounded rectangle
virtual void DrawRoundedRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h, wxDouble radius);
- // wrappers using wxPoint2DDouble TODO
+ // wrappers using wxPoint2DDouble TODO
+
+ // helper to determine if a 0.5 offset should be applied for the drawing operation
+ virtual bool ShouldOffset() const { return false; }
+
DECLARE_NO_COPY_CLASS(wxGraphicsContext)
+ DECLARE_ABSTRACT_CLASS(wxGraphicsContext)
};
-#ifdef __WXMAC__
-#define wxGCDC wxDC
-#endif
-
-class WXDLLEXPORT wxGCDC:
-#ifdef __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();
- 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);
-
- 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;
-
- double m_formerScaleX, m_formerScaleY;
-
- wxGraphicsContext* m_graphicContext;
-};
-
-#endif
-
-#endif
- // _WX_GRID_H_BASE_
+#endif // _WX_GRAPHICS_H_
projects / wxWidgets.git / blobdiff