/usr/include/root/TGLPadPainter.h is in libroot-graf3d-gl-dev 5.34.30-0ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 | // @(#)root/gl:$Id$
// Author: Timur Pocheptsov 06/05/2009
/*************************************************************************
* Copyright (C) 1995-2009, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TGLPadPainter
#define ROOT_TGLPadPainter
#include <deque>
#ifndef ROOT_TVirtualPadPainter
#include "TVirtualPadPainter.h"
#endif
#ifndef ROOT_TGLFontmanager
#include "TGLFontManager.h"
#endif
#ifndef ROOT_TGLPadUtils
#include "TGLPadUtils.h"
#endif
#ifndef ROOT_TPoint
#include "TPoint.h"
#endif
class TLinearGradient;
class TRadialGradient;
/*
The _main_ purpose of TGLPadPainter is to enable 2d gl raphics
inside standard TPad/TCanvas.
*/
class TGLPadPainter : public TVirtualPadPainter {
private:
Rgl::Pad::PolygonStippleSet fSSet;
Rgl::Pad::Tesselator fTess;
Rgl::Pad::MarkerPainter fMarker;
Rgl::Pad::GLLimits fLimits;
std::vector<Double_t> fVs;//Vertex buffer for tesselator.
TGLFontManager fFM;
TGLFont fF;
Int_t fVp[4];
std::vector<TPoint> fPoly;
Bool_t fIsHollowArea;
Bool_t fLocked;
template<class Char_t>
void DrawTextHelper(Double_t x, Double_t y, const Char_t *text, ETextMode mode);
public:
TGLPadPainter();
//Final overriders for TVirtualPadPainter pure virtual functions.
//1. Part, which simply delegates to TVirtualX.
//Line attributes.
Color_t GetLineColor() const;
Style_t GetLineStyle() const;
Width_t GetLineWidth() const;
void SetLineColor(Color_t lcolor);
void SetLineStyle(Style_t lstyle);
void SetLineWidth(Width_t lwidth);
//Fill attributes.
Color_t GetFillColor() const;
Style_t GetFillStyle() const;
Bool_t IsTransparent() const;
void SetFillColor(Color_t fcolor);
void SetFillStyle(Style_t fstyle);
void SetOpacity(Int_t percent);
//Text attributes.
Short_t GetTextAlign() const;
Float_t GetTextAngle() const;
Color_t GetTextColor() const;
Font_t GetTextFont() const;
Float_t GetTextSize() const;
Float_t GetTextMagnitude() const;
void SetTextAlign(Short_t align);
void SetTextAngle(Float_t tangle);
void SetTextColor(Color_t tcolor);
void SetTextFont(Font_t tfont);
void SetTextSize(Float_t tsize);
void SetTextSizePixels(Int_t npixels);
//2. "Off-screen management" part.
Int_t CreateDrawable(UInt_t w, UInt_t h);
void ClearDrawable();
void CopyDrawable(Int_t id, Int_t px, Int_t py);
void DestroyDrawable();
void SelectDrawable(Int_t device);
void InitPainter();
void InvalidateCS();
void LockPainter();
void DrawLine(Double_t x1, Double_t y1, Double_t x2, Double_t y2);
void DrawLineNDC(Double_t u1, Double_t v1, Double_t u2, Double_t v2);
void DrawBox(Double_t x1, Double_t y1, Double_t x2, Double_t y2, EBoxMode mode);
//TPad needs double and float versions.
void DrawFillArea(Int_t n, const Double_t *x, const Double_t *y);
void DrawFillArea(Int_t n, const Float_t *x, const Float_t *y);
//TPad needs both double and float versions of DrawPolyLine.
void DrawPolyLine(Int_t n, const Double_t *x, const Double_t *y);
void DrawPolyLine(Int_t n, const Float_t *x, const Float_t *y);
void DrawPolyLineNDC(Int_t n, const Double_t *u, const Double_t *v);
//TPad needs both versions.
void DrawPolyMarker(Int_t n, const Double_t *x, const Double_t *y);
void DrawPolyMarker(Int_t n, const Float_t *x, const Float_t *y);
void DrawText(Double_t x, Double_t y, const char *text, ETextMode mode);
void DrawText(Double_t, Double_t, const wchar_t *, ETextMode);
void DrawTextNDC(Double_t x, Double_t y, const char *text, ETextMode mode);
void DrawTextNDC(Double_t, Double_t, const wchar_t *, ETextMode);
//jpg, png, gif and bmp output.
void SaveImage(TVirtualPad *pad, const char *fileName, Int_t type) const;
//TASImage support.
void DrawPixels(const unsigned char *pixelData, UInt_t width, UInt_t height,
Int_t dstX, Int_t dstY, Bool_t enableBlending);
private:
//Attention! GL_PROJECTION will become
//the current matrix after these calls.
void SaveProjectionMatrix()const;
void RestoreProjectionMatrix()const;
//Attention! GL_MODELVIEW will become the
//current matrix after these calls.
void SaveModelviewMatrix()const;
void RestoreModelviewMatrix()const;
void SaveViewport();
void RestoreViewport();
void DrawPolyMarker();
//Aux. functions for a gradient and solid fill:
void DrawPolygonWithGradient(Int_t n, const Double_t *x, const Double_t *y);
//
void DrawGradient(const TLinearGradient *gradient, Int_t n, const Double_t *x, const Double_t *y);
void DrawGradient(const TRadialGradient *gradient, Int_t n, const Double_t *x, const Double_t *y);
//
void DrawTesselation(Int_t n, const Double_t *x, const Double_t *y);
TGLPadPainter(const TGLPadPainter &rhs);
TGLPadPainter & operator = (const TGLPadPainter &rhs);
ClassDef(TGLPadPainter, 0)
};
#endif
|