#include <GLViewer_Widget.h>

Inheritance diagram for GLViewer_Widget:

Public Member Functions
	GLViewer_Widget (QWidget theParent, const char theName=0)
	A constructor.
	~GLViewer_Widget ()
	A destructor.
GLViewer_ViewPort2d *	getViewPort () const
	Returns parent GLViewer_ViewPort2d.
GLint	getWidth () const
	Returns width of OpenGl Window.
GLint	getHeight () const
	Returns height of OpenGl Window.
void	getScale (GLfloat &xScale, GLfloat &yScale, GLfloat &zScale)
	Returns scales on OpenGL scene along 3 directions.
void	setScale (GLfloat xScale, GLfloat yScale, GLfloat zScaleGLfloat)
	A function for installing the scales of OpenGL scene.
void	getPan (GLfloat &xPan, GLfloat &yPan, GLfloat &zPan)
	Returns offset parameters of Window in OpenGL global scene.
void	setPan (GLfloat xPan, GLfloat yPan, GLfloat zPan)
	A function for installing the offset parameters of Window in OpenGL global scene.
GLfloat	getRotationAngle () const
	Returns rotation angle of Window in OpenGL global scene in degree.
void	setRotationAngle (GLfloat a)
	A function for installing the rotation angle of Window in OpenGL global scene in degree.
void	getRotationStart (GLfloat &rotationStartX, GLfloat &rotationStartY, GLfloat &rotationStartZ)
	Returns start point of curren rotation of Window in OpenGL global scene.
void	setRotationStart (GLfloat rotationStartX, GLfloat rotationStartY, GLfloat rotationStartZ)
	A function for installing the start point of curren rotation of Window in OpenGL global scene.
void	getRotation (GLfloat &rotationAngle, GLfloat &rotationCenterX, GLfloat &rotationCenterY, GLfloat &rotationCenterZ)
	Returns parameters of current rotation.
void	setRotation (GLfloat, GLfloat, GLfloat, GLfloat)
	A function for installing the parameters of current rotation.
void	setBackground (QString theFileName)
	A function load picture from file with name theFileName and post it in center of global OpenGL scene.
void	addToolTip (QString theTTText, QRect theTTRect)
	A function add the tool tip with text theTTText on theTTRect rect to the widget window.
void	removeToolTip ()
	A function remove tool tip form widget window.
virtual void	translateBackgroundToPS (QFile &hFile, GLViewer_CoordSystem aViewerCS, GLViewer_CoordSystem aPSCS)
	A function translate background of window in to PostScript file on disk.
void	exportRepaint ()
	A function repaints OpenGL scene in export mode.
Protected Member Functions
virtual void	initializeGL ()
	A function is called before first display of window (create OpenGL scene)
virtual void	paintGL ()
	A function is called in earch paint event of window.
virtual void	resizeGL (int, int)
	A function is called in earch resize event of window.
virtual void	paintEvent (QPaintEvent *)
virtual void	mouseMoveEvent (QMouseEvent *)
virtual void	mousePressEvent (QMouseEvent *)
virtual void	mouseReleaseEvent (QMouseEvent *)
virtual void	enterEvent (QEvent *)
virtual void	leaveEvent (QEvent *)
virtual bool	event (QEvent *)
Private Member Functions
void	getBackgroundRectInViewerCS (double &left, double &top, double &right, double &bottom)
	Auxiliary function. Returns rect of window background in viewer coordinate system.
Private Attributes
GLint	myWidth
	width of window
GLint	myHeight
	height of window
GLfloat	myXScale
	Scale along X direction.
GLfloat	myYScale
	Scale along Y direction.
GLfloat	myZScale
	Scale along Z direction.
GLfloat	myXPan
	Window offset along X direction.
GLfloat	myYPan
	Window offset along Y direction.
GLfloat	myZPan
	Window offset along Z direction.
GLfloat	myRotationStartX
GLfloat	myRotationStartY
GLfloat	myRotationStartZ
GLfloat	myRotationAngle
GLfloat	myRotationCenterX
GLfloat	myRotationCenterY
GLfloat	myRotationCenterZ
GLfloat	myRotationAnglePrev
GLboolean	myStart
GLViewer_ViewPort2d *	myViewPort
bool	isLoadBackground
	True if background is loaded.
QString	myBackgroundFile
	File name of background image.
GLuint	texName
	Texture id of loaded background image.
int	myIW
	Width of background image.
int	myIH
	Height of background image.
int	myBackgroundSize
	Size of background image.
QRect	myToolTipRect
bool	isExportMode
	Needs for export repaint.

Detailed Description

Widget for visualization of OpenGL scene

Constructor & Destructor Documentation

GLViewer_Widget::GLViewer_Widget	(	QWidget *	parent,
		const char *	name = `0`
	)

Parameters using for QOGLWidget as is

A constructor Parameters using for QOGLWidget as is

References isExportMode, myRotationAngle, myRotationAnglePrev, myRotationCenterX, myRotationCenterY, myRotationCenterZ, myStart, myViewPort, myXPan, myXScale, myYPan, myYScale, myZPan, and myZScale.

GLViewer_Widget::~GLViewer_Widget ( )

Destructor

Member Function Documentation

GLViewer_ViewPort2d* GLViewer_Widget.getViewPort ( ) const

ViewPort2d because this class is not use for 3D Viewer

GLint GLViewer_Widget.getWidth ( ) const

GLint GLViewer_Widget.getHeight ( ) const

void GLViewer_Widget::getScale	(	GLfloat &	xScale,
		GLfloat &	yScale,
		GLfloat &	zScale
	)

in 2d scene zScale = 1.0

Returns:: scales on OpenGL scene along 3 directions in 2d scene zScale = 1.0

References myXScale, myYScale, and myZScale.

void GLViewer_Widget::setScale	(	GLfloat	xScale,
		GLfloat	yScale,
		GLfloat	zScale
	)

A function for installing the scales of OpenGL scene

References myXScale, myYScale, and myZScale.

void GLViewer_Widget::getPan	(	GLfloat &	xPan,
		GLfloat &	yPan,
		GLfloat &	zPan
	)

Returns:: offset parameters of Window in OpenGL global scene

References myXPan, myYPan, and myZPan.

void GLViewer_Widget::setPan	(	GLfloat	xPan,
		GLfloat	yPan,
		GLfloat	zPan
	)

A function for installing the offset parameters of Window in OpenGL global scene

References myXPan, myYPan, and myZPan.

GLfloat GLViewer_Widget.getRotationAngle ( ) const

Only in 2D

void GLViewer_Widget.setRotationAngle ( GLfloat a )

Only in 2D

References test_table.a.

void GLViewer_Widget::getRotationStart	(	GLfloat &	rotationStartX,
		GLfloat &	rotationStartY,
		GLfloat &	rotationStartZ
	)

Returns:: start point of curren rotation of Window in OpenGL global scene

References myRotationStartX, myRotationStartY, and myRotationStartZ.

void GLViewer_Widget::setRotationStart	(	GLfloat	rotationStartX,
		GLfloat	rotationStartY,
		GLfloat	rotationStartZ
	)

A function for installing the rotation angle of Window in OpenGL global scene in degree (Only in 2D)

References myRotationStartX, myRotationStartY, and myRotationStartZ.

void GLViewer_Widget::getRotation	(	GLfloat &	rotationAngle,
		GLfloat &	rotationCenterX,
		GLfloat &	rotationCenterY,
		GLfloat &	rotationCenterZ
	)

Returns:: parameters of rotation

Parameters:

rotationAngle	- angle
rotationCenterX	- center x
rotationCenterY	- center y
rotationCenterZ	- center z

References myRotationAngle, myRotationCenterX, myRotationCenterY, and myRotationCenterZ.

void GLViewer_Widget::setRotation	(	GLfloat	rotationAngle,
		GLfloat	rotationCenterX,
		GLfloat	rotationCenterY,
		GLfloat	rotationCenterZ
	)

Sets parameters of rotation

Parameters:

rotationAngle	- angle
rotationCenterX	- center x
rotationCenterY	- center y
rotationCenterZ	- center z

References myRotationAngle, myRotationCenterX, myRotationCenterY, and myRotationCenterZ.

void GLViewer_Widget::setBackground ( QString filename )

Sets image as background

Parameters:

filename - name of file

References isLoadBackground, myBackgroundFile, myBackgroundSize, myIH, myIW, and texName.

void GLViewer_Widget::addToolTip	(	QString	theString,
		QRect	theRect
	)

Adds tooltip

Parameters:

theString	- tooltip text
theRect	- tooltip rectangle

References myToolTipRect.

void GLViewer_Widget::removeToolTip ( )

Removes tooltip

void GLViewer_Widget::translateBackgroundToPS	(	QFile &	hFile,
		GLViewer_CoordSystem *	aViewerCS,
		GLViewer_CoordSystem *	aPSCS
	)		`[virtual]`

Parameters:

hFile	the name of PostScript file chosen by user
aViewerCS	the GLViewer_CoordSystem of window
aPSCS	the GLViewer_CoordSystem of PostScript page

Translates background to PostScript

Parameters:

hFile	- PostScript file
aViewerCS	- viewer co-ordinate system
aPSCS	- paper co-ordinate system

References test_table.a, AddImagePart(), test_table.c, getBackgroundRectInViewerCS(), isLoadBackground, test_big_table.k, myBackgroundFile, and GLViewer_CoordSystem.transform().

void GLViewer_Widget::exportRepaint ( )

Provides repaint in export mode

References isExportMode, and paintGL().

void GLViewer_Widget::getBackgroundRectInViewerCS	(	double &	left,
		double &	top,
		double &	right,
		double &	bottom
	)		`[private]`

Returns:: background rectangle in viewer CS

References myIH, and myIW.

void GLViewer_Widget::initializeGL ( ) [protected, virtual]

Initialization (redefined virtual from QGLWidget)

References isLoadBackground, and setBackground().

void GLViewer_Widget::paintGL ( ) [protected, virtual]

void GLViewer_Widget::resizeGL	(	int	w,
		int	h
	)		`[protected, virtual]`

Resets OpenGl parameters after resize

Parameters:

w	- new width
h	- new height

References GLViewer_ViewPort2d.initResize(), myHeight, myStart, myViewPort, and myWidth.

void GLViewer_Widget::paintEvent ( QPaintEvent * e ) [protected, virtual]

Custom paint event handler

References myViewPort.

void GLViewer_Widget::mouseMoveEvent ( QMouseEvent * e ) [protected, virtual]

Custom mouse move event handler

References myViewPort.

void GLViewer_Widget::mousePressEvent ( QMouseEvent * e ) [protected, virtual]

Custom mouse press event handler

References myViewPort.

void GLViewer_Widget::mouseReleaseEvent ( QMouseEvent * e ) [protected, virtual]

Custom mouse release event handler

References myViewPort.

void GLViewer_Widget::enterEvent ( QEvent * e ) [protected, virtual]

Custom enter event handler

void GLViewer_Widget::leaveEvent ( QEvent * e ) [protected, virtual]

Custom leave event handler

bool GLViewer_Widget::event ( QEvent * e ) [protected, virtual]

Custom leave event handler

References myToolTipRect.

Field Documentation

GLint GLViewer_Widget.myWidth [private]

GLint GLViewer_Widget.myHeight [private]

GLfloat GLViewer_Widget.myXScale [private]

GLfloat GLViewer_Widget.myYScale [private]

GLfloat GLViewer_Widget.myZScale [private]

GLfloat GLViewer_Widget.myXPan [private]

GLfloat GLViewer_Widget.myYPan [private]

GLfloat GLViewer_Widget.myZPan [private]

GLfloat GLViewer_Widget.myRotationStartX [private]

GLfloat GLViewer_Widget.myRotationStartY [private]

GLfloat GLViewer_Widget.myRotationStartZ [private]

GLfloat GLViewer_Widget.myRotationAngle [private]

GLfloat GLViewer_Widget.myRotationCenterX [private]

GLfloat GLViewer_Widget.myRotationCenterY [private]

GLfloat GLViewer_Widget.myRotationCenterZ [private]

GLfloat GLViewer_Widget.myRotationAnglePrev [private]

GLboolean GLViewer_Widget.myStart [private]

GLViewer_ViewPort2d* GLViewer_Widget.myViewPort [private]

bool GLViewer_Widget.isLoadBackground [private]

QString GLViewer_Widget.myBackgroundFile [private]

GLuint GLViewer_Widget.texName [private]

int GLViewer_Widget.myIW [private]

int GLViewer_Widget.myIH [private]

int GLViewer_Widget.myBackgroundSize [private]

QRect GLViewer_Widget.myToolTipRect [private]

bool GLViewer_Widget.isExportMode [private]

GLViewer_Widget Class Reference

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation