[u/mrichter/AliRoot.git] / EVE / Reve / BoxSetGL.cxx

// $Header$

#include "BoxSetGL.h"
#include <Reve/BoxSet.h>

#include <TGLDrawFlags.h>
#ifdef WIN32
#include "Windows4root.h"
#endif
#include <GL/gl.h>
#include <GL/glu.h>

using namespace Reve;

//______________________________________________________________________
// BoxSetGL
//

ClassImp(BoxSetGL)

BoxSetGL::BoxSetGL() : fM(0)
{
  // fCached = false; // Disable display list.
}

BoxSetGL::~BoxSetGL()
{}

/**************************************************************************/

Bool_t BoxSetGL::SetModel(TObject* obj)
{
  Bool_t isok = SetModelCheckClass(obj, Reve::BoxSet::Class());
  fM = isok ? dynamic_cast<Reve::BoxSet*>(obj) : 0;
  return isok;
}

void BoxSetGL::SetBBox()
{
  SetAxisAlignedBBox(fM->AssertBBox());
}

/**************************************************************************/

void BoxSetGL::DirectDraw(const TGLDrawFlags& /*flags*/) const
{
  BoxSet& mB = * fM;
  // printf("BoxSetGL::DirectDraw N boxes %d\n", mB.fBoxes.size());
  if(mB.fBoxes.size() == 0)
    return;

  glPushAttrib(GL_ENABLE_BIT | GL_POLYGON_BIT);
  glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
  glEnable(GL_COLOR_MATERIAL);
  glDisable(GL_CULL_FACE);
  if (mB.fRenderMode == BoxSet::RM_Fill) {
    glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
  } else if (mB.fRenderMode == BoxSet::RM_Line) {
    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    glDisable(GL_LIGHTING);
  }
  UChar_t defCol[4];
  Reve::ColorFromIdx(mB.fDefaultColor, defCol);

  if (mB.fRenderMode != BoxSet::RM_Line) {

    glBegin(GL_QUADS);
    for(std::vector<Box>::iterator q=mB.fBoxes.begin(); q!=mB.fBoxes.end(); ++q) {
      UChar_t* c = q->color;
      if (c[3] == 0 && c[2] == 0 && c[1] == 0 && c[0] == 0) {
	glColor4ubv(defCol);
      } else {
	glColor4ubv(c);
      }

      // bottom: 3210
      glNormal3f(0, 0, -1);
      glVertex3fv(q->vertices + 9);  glVertex3fv(q->vertices + 6);
      glVertex3fv(q->vertices + 3);  glVertex3fv(q->vertices);
      // top:   4567
      glNormal3f(0, 0, 1);
      glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 15);
      glVertex3fv(q->vertices + 18); glVertex3fv(q->vertices + 21);
      // front: 0154
      glNormal3f(0, -1, 0);
      glVertex3fv(q->vertices);      glVertex3fv(q->vertices + 3);
      glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 12);
      // back:  7623
      glNormal3f(0, 1, 0);
      glVertex3fv(q->vertices + 21); glVertex3fv(q->vertices + 18);
      glVertex3fv(q->vertices + 6);  glVertex3fv(q->vertices + 9);
      // left:  4730
      glNormal3f(-1, 0, 0);
      glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 21);
      glVertex3fv(q->vertices + 9);  glVertex3fv(q->vertices);
      // right: 5126
      glNormal3f(1, 0, 0);
      glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 3);
      glVertex3fv(q->vertices + 6);  glVertex3fv(q->vertices + 18);
    }
    glEnd();

  } else {

    for(std::vector<Box>::iterator q=mB.fBoxes.begin(); q!=mB.fBoxes.end(); ++q) {
      UChar_t* c = q->color;
      if (c[3] == 0 && c[2] == 0 && c[1] == 0 && c[0] == 0) {
	glColor4ubv(defCol);
      } else {
	glColor4ubv(c);
      }

      // bottom: 3210
      glBegin(GL_LINE_LOOP);
      glVertex3fv(q->vertices + 9);  glVertex3fv(q->vertices + 6);
      glVertex3fv(q->vertices + 3);  glVertex3fv(q->vertices);
      glEnd();
      // top:   4567
      glBegin(GL_LINE_LOOP);
      glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 15);
      glVertex3fv(q->vertices + 18); glVertex3fv(q->vertices + 21);
      glEnd();
      // front: 0154
      glBegin(GL_LINE_LOOP);
      glVertex3fv(q->vertices);      glVertex3fv(q->vertices + 3);
      glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 12);
      glEnd();
      // back:  7623
      glBegin(GL_LINE_LOOP);
      glVertex3fv(q->vertices + 21); glVertex3fv(q->vertices + 18);
      glVertex3fv(q->vertices + 6);  glVertex3fv(q->vertices + 9);
      glEnd();
      // left:  4730
      glBegin(GL_LINE_LOOP);
      glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 21);
      glVertex3fv(q->vertices + 9);  glVertex3fv(q->vertices);
      glEnd();
      // right: 5126
      glBegin(GL_LINE_LOOP);
      glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 3);
      glVertex3fv(q->vertices + 6);  glVertex3fv(q->vertices + 18);
      glEnd();
    }

  }

  glPopAttrib();
}
Commit	Line	Data
915dabe1	1	// $Header$
	2
	3	#include "BoxSetGL.h"
	4	#include <Reve/BoxSet.h>
	5
	6	#include <TGLDrawFlags.h>
	7	#ifdef WIN32
	8	#include "Windows4root.h"
	9	#endif
	10	#include <GL/gl.h>
	11	#include <GL/glu.h>
	12
	13	using namespace Reve;
	14
	15	//______________________________________________________________________
	16	// BoxSetGL
	17	//
	18
2aef44c1	19	ClassImp(BoxSetGL)
915dabe1	20
0d989760	21	BoxSetGL::BoxSetGL() : fM(0)
915dabe1	22	{
	23	// fCached = false; // Disable display list.
	24	}
	25
	26	BoxSetGL::~BoxSetGL()
	27	{}
	28
	29	/**************************************************************************/
	30
	31	Bool_t BoxSetGL::SetModel(TObject* obj)
	32	{
0d989760	33	Bool_t isok = SetModelCheckClass(obj, Reve::BoxSet::Class());
	34	fM = isok ? dynamic_cast<Reve::BoxSet*>(obj) : 0;
	35	return isok;
915dabe1	36	}
	37
	38	void BoxSetGL::SetBBox()
	39	{
0d989760	40	SetAxisAlignedBBox(fM->AssertBBox());
915dabe1	41	}
	42
	43	/**************************************************************************/
	44
	45	void BoxSetGL::DirectDraw(const TGLDrawFlags& /flags/) const
	46	{
0d989760	47	BoxSet& mB = * fM;
915dabe1	48	// printf("BoxSetGL::DirectDraw N boxes %d\n", mB.fBoxes.size());
c8f79bf4	49	if(mB.fBoxes.size() == 0)
c8f79bf4	50	return;
915dabe1	51
	52	glPushAttrib(GL_ENABLE_BIT \| GL_POLYGON_BIT);
	53	glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
	54	glEnable(GL_COLOR_MATERIAL);
	55	glDisable(GL_CULL_FACE);
0d989760	56	if (mB.fRenderMode == BoxSet::RM_Fill) {
c8b08692	57	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
0d989760	58	} else if (mB.fRenderMode == BoxSet::RM_Line) {
c8b08692	59	glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
0d989760	60	glDisable(GL_LIGHTING);
0d989760	61	}
c8b08692	62	UChar_t defCol[4];
c8b08692	63	Reve::ColorFromIdx(mB.fDefaultColor, defCol);
0d989760	64
	65	if (mB.fRenderMode != BoxSet::RM_Line) {
	66
	67	glBegin(GL_QUADS);
	68	for(std::vector<Box>::iterator q=mB.fBoxes.begin(); q!=mB.fBoxes.end(); ++q) {
	69	UChar_t* c = q->color;
	70	if (c[3] == 0 && c[2] == 0 && c[1] == 0 && c[0] == 0) {
	71	glColor4ubv(defCol);
	72	} else {
	73	glColor4ubv(c);
	74	}
	75
	76	// bottom: 3210
	77	glNormal3f(0, 0, -1);
	78	glVertex3fv(q->vertices + 9); glVertex3fv(q->vertices + 6);
	79	glVertex3fv(q->vertices + 3); glVertex3fv(q->vertices);
	80	// top: 4567
	81	glNormal3f(0, 0, 1);
	82	glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 15);
	83	glVertex3fv(q->vertices + 18); glVertex3fv(q->vertices + 21);
	84	// front: 0154
	85	glNormal3f(0, -1, 0);
	86	glVertex3fv(q->vertices); glVertex3fv(q->vertices + 3);
	87	glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 12);
	88	// back: 7623
	89	glNormal3f(0, 1, 0);
	90	glVertex3fv(q->vertices + 21); glVertex3fv(q->vertices + 18);
	91	glVertex3fv(q->vertices + 6); glVertex3fv(q->vertices + 9);
	92	// left: 4730
	93	glNormal3f(-1, 0, 0);
	94	glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 21);
	95	glVertex3fv(q->vertices + 9); glVertex3fv(q->vertices);
	96	// right: 5126
	97	glNormal3f(1, 0, 0);
	98	glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 3);
	99	glVertex3fv(q->vertices + 6); glVertex3fv(q->vertices + 18);
	100	}
	101	glEnd();
	102
	103	} else {
	104
	105	for(std::vector<Box>::iterator q=mB.fBoxes.begin(); q!=mB.fBoxes.end(); ++q) {
	106	UChar_t* c = q->color;
	107	if (c[3] == 0 && c[2] == 0 && c[1] == 0 && c[0] == 0) {
	108	glColor4ubv(defCol);
	109	} else {
	110	glColor4ubv(c);
	111	}
	112
	113	// bottom: 3210
	114	glBegin(GL_LINE_LOOP);
	115	glVertex3fv(q->vertices + 9); glVertex3fv(q->vertices + 6);
	116	glVertex3fv(q->vertices + 3); glVertex3fv(q->vertices);
	117	glEnd();
	118	// top: 4567
	119	glBegin(GL_LINE_LOOP);
	120	glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 15);
	121	glVertex3fv(q->vertices + 18); glVertex3fv(q->vertices + 21);
	122	glEnd();
	123	// front: 0154
	124	glBegin(GL_LINE_LOOP);
	125	glVertex3fv(q->vertices); glVertex3fv(q->vertices + 3);
	126	glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 12);
	127	glEnd();
128	// back: 7623
129	glBegin(GL_LINE_LOOP);
130	glVertex3fv(q->vertices + 21); glVertex3fv(q->vertices + 18);
131	glVertex3fv(q->vertices + 6); glVertex3fv(q->vertices + 9);
132	glEnd();
133	// left: 4730
134	glBegin(GL_LINE_LOOP);
135	glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 21);
136	glVertex3fv(q->vertices + 9); glVertex3fv(q->vertices);
137	glEnd();
138	// right: 5126
139	glBegin(GL_LINE_LOOP);
140	glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 3);
141	glVertex3fv(q->vertices + 6); glVertex3fv(q->vertices + 18);
142	glEnd();
c8b08692	143	}
915dabe1	144
915dabe1	145	}
915dabe1	146
	147	glPopAttrib();
	148	}