gridsquare Class Reference

Draw a square grid. More...

#include <graphmisc.h>

Inheritance diagram for gridsquare:

Collaboration diagram for gridsquare:

List of all members.

Public Member Functions
	gridsquare (GLint factor, GLushort pattern, uintc xcolumns, uintc ycolumns, doublec xmax, doublec ymax)
	The lines are drawn using glLineStripple.

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Detailed Description

Draw a square grid.

Essentially this is a ruler.

Example

  gridsquare * gs = new gridsquare(1,0xaaaa,5,5,1.0,1.0);
  gobjpush(gs);

Definition at line 935 of file graphmisc.h.

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Constructor & Destructor Documentation

gridsquare::gridsquare	(	GLint	factor,
		GLushort	pattern,
		uintc	xcolumns,
		uintc	ycolumns,
		doublec	xmax,
		doublec	ymax
	)

The lines are drawn using glLineStripple.

Definition at line 416 of file graphmisc.cpp.

  : gobjContainer(true)
{
  if ((xcolumns==0)||(ycolumns==0))
    return;

  double x=0.0;
  double y=0.0;

  doublec dx = xmax / xcolumns;
  doublec dy = ymax / ycolumns;

//  doublec xmax = dx * xcolumns;
//  doublec ymax = dy * ycolumns;

  push( new gobjglEnable(GL_LINE_STIPPLE));
  push( new gobjglLineStipple(factor,pattern) );

  push(new gobjglBegin(GL_LINES));

  for (uint i=0; i<=xcolumns; ++i)
  {
    x = dx * i;
    push(new gobjglVertex2f(x,0.0));
    push(new gobjglVertex2f(x,ymax));
  }

  for (uint i=0; i<=ycolumns; ++i)
  {
    y = dy * i;
    push(new gobjglVertex2f(0.0,y));
    push(new gobjglVertex2f(xmax,y));
  }

  push(new gobjglEnd());

  push(new gobjglDisable(GL_LINE_STIPPLE));
}

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

• graphicslib/graphmisc.h
• graphicslib/graphmisc.cpp