ROOT_528-00b_version: include/TPadPainter.h Source File

00001 #ifndef ROOT_TGLPadPainter
00002 #define ROOT_TGLPadPainter
00003 
00004 #ifndef ROOT_TVirtualPadPainter
00005 #include "TVirtualPadPainter.h"
00006 #endif
00007 
00008 /*
00009 TVirtualPadPainter is an attempt to abstract
00010 painting operation furthermore. gVirtualX can
00011 be X11 or GDI, but pad painter can be gVirtualX (X11 or GDI),
00012 or gl pad painter.
00013 */
00014 
00015 class TVirtualPad;
00016 
00017 class TPadPainter : public TVirtualPadPainter {
00018 public:
00019    TPadPainter();
00020    //Final overriders for TVirtualPadPainter pure virtual functions.
00021    //1. Part, which simply delegates to TVirtualX.
00022    //Line attributes.
00023    Color_t  GetLineColor() const;
00024    Style_t  GetLineStyle() const;
00025    Width_t  GetLineWidth() const;
00026    
00027    void     SetLineColor(Color_t lcolor);
00028    void     SetLineStyle(Style_t lstyle);
00029    void     SetLineWidth(Width_t lwidth);
00030    //Fill attributes.
00031    Color_t  GetFillColor() const;
00032    Style_t  GetFillStyle() const;
00033    Bool_t   IsTransparent() const;
00034 
00035    void     SetFillColor(Color_t fcolor);
00036    void     SetFillStyle(Style_t fstyle);
00037    void     SetOpacity(Int_t percent);
00038    //Text attributes.
00039    Short_t  GetTextAlign() const;
00040    Float_t  GetTextAngle() const;
00041    Color_t  GetTextColor() const;
00042    Font_t   GetTextFont()  const;
00043    Float_t  GetTextSize()  const;
00044    Float_t  GetTextMagnitude() const;
00045    
00046    void     SetTextAlign(Short_t align);
00047    void     SetTextAngle(Float_t tangle);
00048    void     SetTextColor(Color_t tcolor);
00049    void     SetTextFont(Font_t tfont);
00050    void     SetTextSize(Float_t tsize);
00051    void     SetTextSizePixels(Int_t npixels);
00052    //2. "Off-screen management" part.
00053    Int_t    CreateDrawable(UInt_t w, UInt_t h);
00054    void     ClearDrawable();
00055    void     CopyDrawable(Int_t id, Int_t px, Int_t py);
00056    void     DestroyDrawable();
00057    void     SelectDrawable(Int_t device);
00058 
00059    void     DrawLine(Double_t x1, Double_t y1, Double_t x2, Double_t y2);
00060    void     DrawLineNDC(Double_t u1, Double_t v1, Double_t u2, Double_t v2);
00061    
00062    void     DrawBox(Double_t x1, Double_t y1, Double_t x2, Double_t y2, EBoxMode mode);
00063    //TPad needs double and float versions.
00064    void     DrawFillArea(Int_t n, const Double_t *x, const Double_t *y);
00065    void     DrawFillArea(Int_t n, const Float_t *x, const Float_t *y);
00066    
00067    //TPad needs both double and float versions of DrawPolyLine.
00068    void     DrawPolyLine(Int_t n, const Double_t *x, const Double_t *y);
00069    void     DrawPolyLine(Int_t n, const Float_t *x, const Float_t *y);
00070    void     DrawPolyLineNDC(Int_t n, const Double_t *u, const Double_t *v);
00071    
00072    //TPad needs both versions.
00073    void     DrawPolyMarker(Int_t n, const Double_t *x, const Double_t *y);
00074    void     DrawPolyMarker(Int_t n, const Float_t *x, const Float_t *y);
00075    
00076    void     DrawText(Double_t x, Double_t y, const char *text, ETextMode mode);
00077    void     DrawTextNDC(Double_t u, Double_t v, const char *text, ETextMode mode);
00078    
00079    //jpg, png, bmp, gif output.
00080    void     SaveImage(TVirtualPad *pad, const char *fileName, Int_t type) const;
00081 
00082 private:
00083    TPadPainter(const TPadPainter &rhs);
00084    TPadPainter & operator = (const TPadPainter &rhs);
00085    
00086    ClassDef(TPadPainter, 0) //Abstract interface for painting in TPad
00087 };
00088 
00089 #endif