tessD2draw02multicolor< TESS, PT, INDX > Class Template Reference

Draw the triangles in random colors. More...

#include <tessD2draw02.h>

Inheritance diagram for tessD2draw02multicolor< TESS, PT, INDX >:

Collaboration diagram for tessD2draw02multicolor< TESS, PT, INDX >:

List of all members.

Public Member Functions
	tessD2draw02multicolor (TESS &tess_, bool &isdrawn_)
	Constructor.
void	draw ()
	Draw to the global graphics stream.
Public Attributes
bool &	isdrawn
	Toggle the display.
double	blend
	The alpha component.

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Detailed Description

template<typename TESS, typename PT, typename INDX>
class tessD2draw02multicolor< TESS, PT, INDX >

Draw the triangles in random colors.

Assumes the tessellation has anti-clockwise winding.

Definition at line 96 of file tessD2draw02.h.

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Constructor & Destructor Documentation

template<typename TESS, typename PT, typename INDX>

tessD2draw02multicolor< TESS, PT, INDX >::tessD2draw02multicolor	(	TESS &	tess_,
		bool &	isdrawn_
	)			[inline]

Constructor.

Definition at line 108 of file tessD2draw02.h.

    : tess(tess_), isdrawn(isdrawn_), blend(0.5) {}

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Member Function Documentation

template<typename TESS , typename PT , typename INDX >

void tessD2draw02multicolor< TESS, PT, INDX >::draw

(

)

[inline, virtual]

Draw to the global graphics stream.

Implements gobj.

Definition at line 239 of file tessD2draw02.h.

References gobj::global, gobjpush, tessD2draw02multicolor< TESS, PT, INDX >::isdrawn, gobjContainer::push(), and gobjContainer::set().

{
  gobjContainer * preserve = gobjContainer::global;
  
  gobjContainer & y = * new gobjContainer(true);
  y.set();

  y.push( new gobjglPushAttrib(GL_CURRENT_BIT));
  y.push( new gobjglPushAttrib(GL_LIGHTING_BIT));

  y.push(new gobjglDisable(GL_LIGHTING));
  y.push( new gobjglEnable(GL_BLEND));
  y.push( new gobjglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));

  y.push( new gobjglBegin(GL_TRIANGLES));

  INDX const imax = tess.vi.size();
  for (INDX i=1; i<imax; ++i)
    drawtriangle(tess.vi[i],tess.pts);

  y.push( new gobjglEnd());

  y.push( new gobjglPopAttrib());
  y.push( new gobjglPopAttrib());

  gobjSwitch<bool&> * s = 
    new gobjSwitch<bool&>(&y,isdrawn);

  // Restore
  gobjContainer::global = preserve;
  
  gobjpush(s);
}

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Member Data Documentation

template<typename TESS, typename PT, typename INDX>

double tessD2draw02multicolor< TESS, PT, INDX >::blend

The alpha component.

Definition at line 105 of file tessD2draw02.h.

template<typename TESS, typename PT, typename INDX>

bool& tessD2draw02multicolor< TESS, PT, INDX >::isdrawn

Toggle the display.

Definition at line 102 of file tessD2draw02.h.

Referenced by tessD2draw02multicolor< TESS, PT, INDX >::draw().

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The documentation for this class was generated from the following file:

• compgeomlib/tessD2draw02.h