FWEveTextGL Class Reference

#include <FWTextProjected.h>

Inheritance diagram for FWEveTextGL:

Public Member Functions
	ClassDefOverride (FWEveTextGL, 0)
void	DirectDraw (TGLRnrCtx &rnrCtx) const override
	FWEveTextGL ()
	~FWEveTextGL () override

Detailed Description

Definition at line 64 of file FWTextProjected.h.

Constructor & Destructor Documentation

FWEveTextGL()

FWEveTextGL::FWEveTextGL ( )

inline

Definition at line 66 of file FWTextProjected.h.

{}

~FWEveTextGL()

FWEveTextGL::~FWEveTextGL ( )

inlineoverride

Definition at line 67 of file FWTextProjected.h.

{}

Member Function Documentation

ClassDefOverride()

FWEveTextGL::ClassDefOverride	(	FWEveTextGL	,
		0
	)

DirectDraw()

void FWEveTextGL::DirectDraw ( TGLRnrCtx &  rnrCtx ) const

override

Definition at line 54 of file FWTextProjected.cc.

References isotrackApplyRegressor::model, x, y, and z.

                                                    {
  Int_t fm = fM->GetFontMode();
  if (fm == TGLFont::kBitmap || fm == TGLFont::kPixmap || fm == TGLFont::kTexture)
    rnrCtx.RegisterFont(fM->GetFontSize(), fM->GetFontFile(), fM->GetFontMode(), fFont);
  else
    rnrCtx.RegisterFontNoScale(fM->GetFontSize(), fM->GetFontFile(), fM->GetFontMode(), fFont);

  // rendering
  glPushMatrix();
  fFont.PreRender(fM->GetAutoLighting(), fM->GetLighting());

  const GLdouble* pm = rnrCtx.RefCamera().RefLastNoPickProjM().CArr();

  GLdouble mm[16];
  GLint vp[4];
  glGetDoublev(GL_MODELVIEW_MATRIX, mm);
  glGetIntegerv(GL_VIEWPORT, vp);

  fX[0][0] = fX[0][1] = fX[0][2] = 0;
  GLdouble x, y, z;
  gluProject(fX[0][0], fX[0][1], fX[0][2], mm, pm, vp, &x, &y, &z);
  Float_t bbox[6];
  fFont.BBox(fM->GetText(), bbox[0], bbox[1], bbox[2], bbox[3], bbox[4], bbox[5]);

  gluUnProject(x + bbox[0], y + bbox[1], z, mm, pm, vp, &fX[0][0], &fX[0][1], &fX[0][2]);
  gluUnProject(x + bbox[3], y + bbox[1], z, mm, pm, vp, &fX[1][0], &fX[1][1], &fX[1][2]);
  gluUnProject(x + bbox[3], y + bbox[4], z, mm, pm, vp, &fX[2][0], &fX[2][1], &fX[2][2]);
  gluUnProject(x + bbox[0], y + bbox[4], z, mm, pm, vp, &fX[3][0], &fX[3][1], &fX[3][2]);
  glEnable(GL_POLYGON_OFFSET_FILL);

  FWEveText* model = (FWEveText*)fM;
  double xm = fX[0][0] - model->m_textPad;
  double xM = fX[2][0] + model->m_textPad;
  double ym = fX[0][1] - model->m_textPad;
  double yM = fX[2][1] + model->m_textPad;

  //   TGLUtil::Color(1016);
  if (rnrCtx.ColorSet().Background().GetRed())
    TGLUtil::Color(kWhite);
  else
    TGLUtil::Color(kBlack);

  glPolygonOffset(1, 1);
  glBegin(GL_POLYGON);
  glVertex2d(xm, ym);
  glVertex2d(xM, ym);
  glVertex2d(xM, yM);
  glVertex2d(xm, yM);

  glEnd();

  TGLUtil::Color(fM->GetMainColor());
  if (true) {
    glPolygonOffset(0, 0);
    glBegin(GL_LINE_LOOP);
    glVertex2d(xm, ym);
    glVertex2d(xM, ym);
    glVertex2d(xM, yM);
    glVertex2d(xm, yM);
    glEnd();
  }

  glPolygonOffset(0, 0);

  glRasterPos3i(0, 0, 0);
  fFont.Render(fM->GetText());
  fFont.PostRender();
  glPopMatrix();
}