[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()
{
  // fCached = false; // Disable display list.
}

BoxSetGL::~BoxSetGL()
{}

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

Bool_t BoxSetGL::SetModel(TObject* obj)
{
#if ROOT_VERSION_CODE <= ROOT_VERSION(5,11,2)
  return set_model(obj, "Reve::BoxSet");
#else
  return SetModelCheckClass(obj, "Reve::BoxSet");
#endif
}

void BoxSetGL::SetBBox()
{
#if ROOT_VERSION_CODE <= ROOT_VERSION(5,11,2)
  set_axis_aligned_bbox(((BoxSet*)fExternalObj)->AssertBBox());
#else
  SetAxisAlignedBBox(((BoxSet*)fExternalObj)->AssertBBox());
#endif
}

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

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

  glPushAttrib(GL_ENABLE_BIT | GL_POLYGON_BIT);
  glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
  glEnable(GL_COLOR_MATERIAL);
  glDisable(GL_CULL_FACE);

  Float_t c[4]; glGetFloatv(GL_CURRENT_COLOR, c);

  glBegin(GL_QUADS);
  for(std::vector<Box>::iterator q=mB.fBoxes.begin(); q!=mB.fBoxes.end(); ++q) {
    UChar_t* c = (UChar_t*) &q->color;
    glColor3ub(c[0], c[1], c[2]);

    // 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();

  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
	21	BoxSetGL::BoxSetGL()
	22	{
	23	// fCached = false; // Disable display list.
	24	}
	25
	26	BoxSetGL::~BoxSetGL()
	27	{}
	28
	29	/**************************************************************************/
	30
	31	Bool_t BoxSetGL::SetModel(TObject* obj)
	32	{
606c4ed7	33	#if ROOT_VERSION_CODE <= ROOT_VERSION(5,11,2)
915dabe1	34	return set_model(obj, "Reve::BoxSet");
606c4ed7	35	#else
	36	return SetModelCheckClass(obj, "Reve::BoxSet");
	37	#endif
915dabe1	38	}
	39
	40	void BoxSetGL::SetBBox()
	41	{
606c4ed7	42	#if ROOT_VERSION_CODE <= ROOT_VERSION(5,11,2)
915dabe1	43	set_axis_aligned_bbox(((BoxSet*)fExternalObj)->AssertBBox());
606c4ed7	44	#else
	45	SetAxisAlignedBBox(((BoxSet*)fExternalObj)->AssertBBox());
	46	#endif
915dabe1	47	}
	48
	49	/**************************************************************************/
	50
	51	void BoxSetGL::DirectDraw(const TGLDrawFlags& /flags/) const
	52	{
	53	BoxSet& mB = * (BoxSet*) fExternalObj;
	54	// printf("BoxSetGL::DirectDraw N boxes %d\n", mB.fBoxes.size());
	55
	56	glPushAttrib(GL_ENABLE_BIT \| GL_POLYGON_BIT);
	57	glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
	58	glEnable(GL_COLOR_MATERIAL);
	59	glDisable(GL_CULL_FACE);
	60
	61	Float_t c[4]; glGetFloatv(GL_CURRENT_COLOR, c);
	62
	63	glBegin(GL_QUADS);
	64	for(std::vector<Box>::iterator q=mB.fBoxes.begin(); q!=mB.fBoxes.end(); ++q) {
	65	UChar_t* c = (UChar_t*) &q->color;
	66	glColor3ub(c[0], c[1], c[2]);
	67
	68	// bottom: 3210
	69	glNormal3f(0, 0, -1);
	70	glVertex3fv(q->vertices + 9); glVertex3fv(q->vertices + 6);
	71	glVertex3fv(q->vertices + 3); glVertex3fv(q->vertices);
	72	// top: 4567
	73	glNormal3f(0, 0, 1);
	74	glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 15);
	75	glVertex3fv(q->vertices + 18); glVertex3fv(q->vertices + 21);
	76	// front: 0154
	77	glNormal3f(0, -1, 0);
	78	glVertex3fv(q->vertices); glVertex3fv(q->vertices + 3);
	79	glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 12);
	80	// back: 7623
	81	glNormal3f(0, 1, 0);
	82	glVertex3fv(q->vertices + 21); glVertex3fv(q->vertices + 18);
	83	glVertex3fv(q->vertices + 6); glVertex3fv(q->vertices + 9);
	84	// left: 4730
	85	glNormal3f(-1, 0, 0);
	86	glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 21);
	87	glVertex3fv(q->vertices + 9); glVertex3fv(q->vertices);
	88	// right: 5126
	89	glNormal3f(1, 0, 0);
	90	glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 3);
	91	glVertex3fv(q->vertices + 6); glVertex3fv(q->vertices + 18);
	92	}
	93	glEnd();
	94
	95	glPopAttrib();
	96	}