#include <GLViewer_Grid.h>

Public Member Functions
	GLViewer_Grid ()
	A default constructor. More...

	GLViewer_Grid (GLfloat width, GLfloat height, GLfloat winW, GLfloat winH, GLfloat xSize, GLfloat ySize, GLfloat xPan, GLfloat yPan, GLfloat xScale, GLfloat yScale)
	A constructor. More...

	~GLViewer_Grid ()

void	draw ()
	Draws grid. More...

void	setGridColor (GLfloat r, GLfloat g, GLfloat b)
	Sets color of grid in RGB format. More...

void	setAxisColor (GLfloat r, GLfloat g, GLfloat b)
	Sets color of grid axes in RGB format. More...

void	setGridWidth (float)

void	setCenterRadius (int)
	Sets Radius of center point( begin coords ) More...

void	setSize (float xs, float ys)
	Sets steps along x and y directions. More...

void	setPan (float xp, float yp)
	Sets offset along x and y direction. More...

bool	setZoom (float zoom)
	Sets common scale factor along x and y direction. More...

void	setResize (float winW, float winH, float Zoom)
	Recomputes grid in new size and scale of view. More...

void	getSize (float &, float &) const

void	getPan (float &, float &) const

void	getScale (float &, float &) const

void	setScaleFactor (int)
	Sets step of scale. More...

int	getScaleFactor ()

Protected Member Functions
bool	initList ()
	Initialize grid display list. More...

Protected Attributes
GLuint	myGridList

GLfloat	myGridColor [3]

GLfloat	myAxisColor [3]

GLfloat	myGridHeight

GLfloat	myGridWidth

GLfloat	myWinW

GLfloat	myWinH

GLfloat	myXSize

GLfloat	myYSize

GLfloat	myXPan

GLfloat	myYPan

GLfloat	myXScale

GLfloat	myYScale

GLfloat	myLineWidth

GLfloat	myCenterWidth

GLint	myCenterRadius

GLint	myScaleFactor

GLboolean	myIsUpdate

Detailed Description

Class GLViewer_Grid 2D rectangular grid for GLViewer Grid is adapt cells for current view

Constructor & Destructor Documentation

◆ GLViewer_Grid() [1/2]

GLViewer_Grid::GLViewer_Grid ( )

A default constructor.

Default constructor

References myAxisColor, and myGridColor.

◆ GLViewer_Grid() [2/2]

GLViewer_Grid::GLViewer_Grid	(	GLfloat	width,
		GLfloat	height,
		GLfloat	winW,
		GLfloat	winH,
		GLfloat	xSize,
		GLfloat	ySize,
		GLfloat	xPan,
		GLfloat	yPan,
		GLfloat	xScale,
		GLfloat	yScale
	)

A constructor.

Constructor

Parameters

width	and
height	- width and height of grid
winW	and
winH	- width and height of window
xSize	and
ySize	- steps along x and y direction
xPan	and
yPan	- offsets along x and y direction
xScale	and
yScal	- scale factors along x and y direction

References myAxisColor, and myGridColor.

◆ ~GLViewer_Grid()

GLViewer_Grid::~GLViewer_Grid ( )

Destructor

Member Function Documentation

◆ draw()

void GLViewer_Grid::draw ( )

Draws grid.

Performs OpenGL drawing

References initList(), myGridList, and myIsUpdate.

◆ getPan()

void GLViewer_Grid::getPan	(	float &	xPan,
		float &	yPan
	)		const

Returns: panning along x and y axis

Parameters

xPan	- for panning along x axis
yPan	- for panning along y axis

References myXPan, and myYPan.

◆ getScale()

void GLViewer_Grid::getScale	(	float &	xScale,
		float &	yScale
	)		const

Returns: scaling along x and y axis

Parameters

xScale	- for scaling along x axis
yScale	- for scaling along y axis

References myXScale, and myYScale.

◆ getScaleFactor()

int GLViewer_Grid::getScaleFactor ( )

◆ getSize()

void GLViewer_Grid::getSize	(	float &	xSize,
		float &	ySize
	)		const

Returns: grid size along x and y axis

Parameters

xSize	- for size along x axis
ySize	- for size along y axis

References myXSize, and myYSize.

◆ initList()

bool GLViewer_Grid::initList ( )

protected

Initialize grid display list.

Initialize grid display list

References myAxisColor, myCenterRadius, myCenterWidth, myGridColor, myGridHeight, myGridList, myGridWidth, myIsUpdate, myLineWidth, myScaleFactor, myXPan, myXScale, myXSize, myYPan, myYScale, myYSize, SEGMENTS, and STEP.

◆ setAxisColor()

void GLViewer_Grid::setAxisColor	(	GLfloat	r,
		GLfloat	g,
		GLfloat	b
	)

Sets color of grid axes in RGB format.

Changes color of axis

Parameters

r,g,b - components of color

References myAxisColor, and myIsUpdate.

◆ setCenterRadius()

void GLViewer_Grid::setCenterRadius ( int r )

Sets Radius of center point( begin coords )

Parameters

r	- new radius

References myCenterRadius, and myIsUpdate.

◆ setGridColor()

void GLViewer_Grid::setGridColor	(	GLfloat	r,
		GLfloat	g,
		GLfloat	b
	)

Sets color of grid in RGB format.

Changes color of grid

Parameters

r,g,b - components of color

References myGridColor, and myIsUpdate.

◆ setGridWidth()

void GLViewer_Grid::setGridWidth ( float w )

Changes grid width

Parameters

w	- new grid width

References myGridWidth, and myIsUpdate.

◆ setPan()

void GLViewer_Grid::setPan	(	float	xPan,
		float	yPan
	)

Sets offset along x and y direction.

Sets panning of grid

Parameters

xPan	- panning along X axis
yPan	- panning along Y axis

References myIsUpdate, myXPan, and myYPan.

◆ setResize()

void GLViewer_Grid::setResize	(	float	WinW,
		float	WinH,
		float	zoom
	)

Recomputes grid in new size and scale of view.

Sets parameters of grid by zoom coefficient and window size

Parameters

WinW	- window width
WinH	- window height
zoom	- zoom coefficient

References myGridHeight, myGridWidth, myIsUpdate, myWinH, myWinW, myXScale, myYScale, and setZoom().

◆ setScaleFactor()

void GLViewer_Grid::setScaleFactor ( int )

Sets step of scale.

◆ setSize()

void GLViewer_Grid::setSize	(	float	xSize,
		float	ySize
	)

Sets steps along x and y directions.

Sets grid size along X and Y axis

Parameters

xSize	- size along X axis
ySize	- size along Y axis

References myIsUpdate, myXSize, and myYSize.

◆ setZoom()

bool GLViewer_Grid::setZoom ( float zoom )

Sets common scale factor along x and y direction.

Sets zoom

Parameters

zoom	- new coefficient of zooming

References myGridHeight, myGridWidth, myIsUpdate, myXScale, and myYScale.

Member Data Documentation

◆ myAxisColor

GLfloat GLViewer_Grid::myAxisColor[3]

protected

◆ myCenterRadius

GLint GLViewer_Grid::myCenterRadius

protected

◆ myCenterWidth

GLfloat GLViewer_Grid::myCenterWidth

protected

◆ myGridColor

GLfloat GLViewer_Grid::myGridColor[3]

protected

◆ myGridHeight

GLfloat GLViewer_Grid::myGridHeight

protected

◆ myGridList

GLuint GLViewer_Grid::myGridList

protected

◆ myGridWidth

GLfloat GLViewer_Grid::myGridWidth

protected

◆ myIsUpdate

GLboolean GLViewer_Grid::myIsUpdate

protected

◆ myLineWidth

GLfloat GLViewer_Grid::myLineWidth

protected

◆ myScaleFactor

GLint GLViewer_Grid::myScaleFactor

protected

◆ myWinH

GLfloat GLViewer_Grid::myWinH

protected

◆ myWinW

GLfloat GLViewer_Grid::myWinW

protected

◆ myXPan

GLfloat GLViewer_Grid::myXPan

protected

◆ myXScale

GLfloat GLViewer_Grid::myXScale

protected

◆ myXSize

GLfloat GLViewer_Grid::myXSize

protected

◆ myYPan

GLfloat GLViewer_Grid::myYPan

protected

◆ myYScale

GLfloat GLViewer_Grid::myYScale

protected

◆ myYSize

GLfloat GLViewer_Grid::myYSize

protected

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

src/GLViewer/GLViewer_Grid.h
src/GLViewer/GLViewer_Grid.cxx

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ GLViewer_Grid() [1/2]

◆ GLViewer_Grid() [2/2]

◆ ~GLViewer_Grid()

Member Function Documentation

◆ draw()

◆ getPan()

◆ getScale()

◆ getScaleFactor()

◆ getSize()

◆ initList()

◆ setAxisColor()

◆ setCenterRadius()

◆ setGridColor()

◆ setGridWidth()

◆ setPan()

◆ setResize()

◆ setScaleFactor()

◆ setSize()

◆ setZoom()

Member Data Documentation

◆ myAxisColor

◆ myCenterRadius

◆ myCenterWidth

◆ myGridColor

◆ myGridHeight

◆ myGridList

◆ myGridWidth

◆ myIsUpdate

◆ myLineWidth

◆ myScaleFactor

◆ myWinH

◆ myWinW

◆ myXPan

◆ myXScale

◆ myXSize

◆ myYPan

◆ myYScale

◆ myYSize