textoverlay Class Reference

#include <textoverlay.h>

Inheritance diagram for textoverlay:

Collaboration diagram for textoverlay:

List of all members.

Public Member Functions
	textoverlay (doublec left_, doublec right_, doublec bottom_, doublec top_)
	Constructor takes arguments for gluOrtho2D called in drawPre.draw().
	textoverlay ()
	Constructor.
void	init ()
	Shared constructor code.
virtual void	draw ()=0
	Overload and insert your text commands.
void	printstring (void *font, string const &s) const
	Write a string to the projection winodow.
void	lightingdisable ()
	Turn lighting off so text is visible, then restore the previous state.
Public Attributes
double	left
	The left coordinate in 2D window.
double	right
	The right coordinate in 2D window.
double	bottom
	The bottom coordinate in 2D window.
double	top
	The top coordinate in 2D window.
gobjContainerdeque	drawpre
	Call inside draw() drawpre.draw() at the start before writing.
gobjContainerdeque	drawpost
	Call inside draw() drawpre.draw() at the end after writing.

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Detailed Description

Definition at line 20 of file textoverlay.h.

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Constructor & Destructor Documentation

textoverlay::textoverlay	(	doublec	left_,
		doublec	right_,
		doublec	bottom_,
		doublec	top_
	)

Constructor takes arguments for gluOrtho2D called in drawPre.draw().

Definition at line 4 of file textoverlay.cpp.

References init().

  : left(left_), right(right_), bottom(bottom_), 
    top(top_), drawpre(true), drawpost(true)
{
  init();
}

textoverlay::textoverlay

(

)

Constructor.

Definition at line 16 of file textoverlay.cpp.

References init().

  : left(-0.5), right(639.5), bottom(479.5), 
    top(-1.0), drawpre(true), drawpost(true)
{
  init();
}

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Member Function Documentation

virtual void textoverlay::draw

(

)

[pure virtual]

Overload and insert your text commands.

Implements gobj.

Implemented in menu01< T >, cubedraw2d, menusystem, menusystemOneShot, menusystemsave01, and menu01< test01obj< P, PD > >.

void textoverlay::init

(

)

Shared constructor code.

Definition at line 47 of file textoverlay.cpp.

References bottom, drawpost, drawpre, left, gobjContainerdeque::nuke(), gobjContainerdeque::push_back(), right, and top.

Referenced by textoverlay().

{
  drawpre.nuke();
  drawpost.nuke();

  // assuming GL_MODELVIEW mode
  drawpre.push_back(new gobjglPushMatrix());  // save
  drawpre.push_back(new gobjglLoadIdentity());  // clear

  drawpre.push_back(new gobjglMatrixMode(GL_PROJECTION));
  drawpre.push_back(new gobjglPushMatrix()); // save
  drawpre.push_back(new gobjglLoadIdentity());  // clear

  drawpre.push_back(new gobjgluOrtho2D(left,right,bottom,top));
  drawpre.push_back(new gobjglMatrixMode(GL_MODELVIEW));


  drawpost.push_back(new gobjglMatrixMode(GL_PROJECTION));
  drawpost.push_back(new gobjglPopMatrix());  // restore
  drawpost.push_back(new gobjglMatrixMode(GL_MODELVIEW));
  drawpost.push_back(new gobjglPopMatrix());  // restore
}

void textoverlay::lightingdisable

(

)

Turn lighting off so text is visible, then restore the previous state.

Definition at line 35 of file textoverlay.cpp.

References drawpost, drawpre, gobjContainerdeque::push_back(), and gobjContainerdeque::push_front().

Referenced by maze005::menubuild(), menusystemtest01::menusystemtest01(), menusystemtest04::menusystemtest04(), simplexD1tessapp01::messagemenu(), simplexD2tessapp01::test02(), delaunaysimpleD2test::test02(), and treeindexedD2test::test05().

{
  drawpre.push_back(new gobjglPushAttrib(GL_CURRENT_BIT));
  drawpre.push_back(new gobjglPushAttrib(GL_LIGHTING));

  drawpre.push_back(new gobjglDisable(GL_LIGHTING));

  drawpost.push_front(new gobjglPopAttrib());
  drawpost.push_front(new gobjglPopAttrib());
}

void textoverlay::printstring	(	void *	font,
		string const &	s
	)			const

Write a string to the projection winodow.

Definition at line 24 of file textoverlay.cpp.

{
//cout << "*" << s << "*" << endl;
  uint len = s.size();
  for (uint i=0; i<len; ++i)
    glutBitmapCharacter(font,s[i]);
}

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Member Data Documentation

double textoverlay::bottom

The bottom coordinate in 2D window.

Definition at line 29 of file textoverlay.h.

Referenced by init().

gobjContainerdeque textoverlay::drawpost

Call inside draw() drawpre.draw() at the end after writing.

Definition at line 58 of file textoverlay.h.

Referenced by menusystem::draw(), menusystem::drawparentsnested(), menusystem::fontcolorenable(), init(), and lightingdisable().

gobjContainerdeque textoverlay::drawpre

Call inside draw() drawpre.draw() at the start before writing.

Definition at line 55 of file textoverlay.h.

Referenced by menusystem::draw(), menusystem::fontcolorenable(), init(), lightingdisable(), and menusystemtest04::menusystemtest04().

double textoverlay::left

The left coordinate in 2D window.

Definition at line 25 of file textoverlay.h.

Referenced by init().

double textoverlay::right

The right coordinate in 2D window.

Definition at line 27 of file textoverlay.h.

Referenced by init().

double textoverlay::top

The top coordinate in 2D window.

Definition at line 31 of file textoverlay.h.

Referenced by init().

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

• graphicslib/textoverlay.h
• graphicslib/textoverlay.cpp