QTFCanvas Class Reference

#include <QTFCanvas.h>

List of all members.

Public Member Functions

 QTFCanvas (QWidget *parent=0)
virtual ~QTFCanvas ()
void setHistogram (std::vector< int > *histogram, unsigned char *histogram2d)
VTransferFunction * getTransferFunctionPtr ()
VTransferFunction2D * getTransferFunction2DPtr ()
void setObjectName (const QString &name)
void setModePtr (QComboBox *qmode)
void setHScroll (QScrollBar *_hbar)
void setVScroll (QScrollBar *_vbar)
void defaultSize ()
void checkForLongClick ()
void modeChanged (int index)
virtual void paintEvent (QPaintEvent *e)
virtual void mousePressEvent (QMouseEvent *e)
virtual void mouseReleaseEvent (QMouseEvent *e)
virtual void mouseMoveEvent (QMouseEvent *e)
virtual void mouseClickEvent (VMouseEvent gme)
virtual void mouseDoubleClickEvent (QMouseEvent *e)
virtual void keyPressEvent (QKeyEvent *e)
virtual void keyReleaseEvent (QKeyEvent *e)
const VMouseEvent getMouseEvent (QMouseEvent *e)
const VKeyboardEvent getKeyboardEvent (QKeyEvent *e)
virtual void redraw ()
void saveTf (std::string filename)
void loadTf (std::string filename)

Protected Member Functions

virtual void initializeGL ()
virtual void resizeGL (int w, int h)
virtual void paintGL ()

Private Attributes

VTransferFunction m_TransferFunction
VTransferFunction2D m_TransferFunction2d
float m_maxdensity
QComboBox * m_tfmode_cb_Ptr
QScrollBar * hbar
QScrollBar * vbar
int m_tfmode
bool tfbig

Detailed Description

class representing the canvas where the transferfunctions are rendered

Definition at line 21 of file QTFCanvas.h.

Constructor & Destructor Documentation

QTFCanvas::QTFCanvas ( QWidget *  parent = 0  ) 

constructor with given parent widget pointer

Parameters:
parent Pointer to parent widget

Definition at line 24 of file QTFCanvas.cpp.

References m_tfmode, and tfbig.

QTFCanvas::~QTFCanvas (  )  [virtual]

default destructor

Definition at line 33 of file QTFCanvas.cpp.

Member Function Documentation

void QTFCanvas::setHistogram ( std::vector< int > *  histogram,
unsigned char *  histogram2d 
)

sets the Histogram data

Parameters:
histogram std::vector containing the 1d histogram of the volume data
histogram2d pointer to a memory block where the 2d histogram is stored

Definition at line 708 of file QTFCanvas.cpp.

References m_TransferFunction, m_TransferFunction2d, VTransferFunction::setHistogram(), and VTransferFunction2D::setHistogram2D().

Referenced by QMain::load_data_file().

VTransferFunction * QTFCanvas::getTransferFunctionPtr (  ) 

returns a pointer to the 1d transferfunction

Returns:
VTransferFunction Ptr

Definition at line 716 of file QTFCanvas.cpp.

References m_TransferFunction.

Referenced by QMain::QMain().

VTransferFunction2D * QTFCanvas::getTransferFunction2DPtr (  ) 

returns a pointer to the 2d transferfunction

Returns:
VTransferFunction2D Pointer

Definition at line 721 of file QTFCanvas.cpp.

References m_TransferFunction2d.

Referenced by QMain::QMain().

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

method for initializing the OpenGl context

Definition at line 66 of file QTFCanvas.cpp.

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

method called when resizing the window

Parameters:
w width of widget
h height of widget

Definition at line 77 of file QTFCanvas.cpp.

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

paint method

Definition at line 85 of file QTFCanvas.cpp.

References VTransferFunction::draw1d(), VTransferFunction2D::draw2d(), m_tfmode, m_TransferFunction, and m_TransferFunction2d.

Referenced by redraw().

void QTFCanvas::setObjectName ( const QString &  name  ) 

sets the Objectname

Parameters:
name QString containing the Widgets name

Definition at line 39 of file QTFCanvas.cpp.

Referenced by Ui_QMain::setupUi().

void QTFCanvas::setModePtr ( QComboBox *  qmode  ) 

sets the Current Transferfunction Mode

Parameters:
qmode Mode to the Combobox storing the modes

Definition at line 43 of file QTFCanvas.cpp.

References m_tfmode_cb_Ptr.

Referenced by QMain::QMain().

void QTFCanvas::setHScroll ( QScrollBar *  _hbar  )  [inline]

sets the state of the horizontal scrollbar

Parameters:
_hbar Pointer to the scrollbar

Definition at line 94 of file QTFCanvas.h.

References hbar.

Referenced by QMain::QMain().

void QTFCanvas::setVScroll ( QScrollBar *  _vbar  )  [inline]

sets the state of the vertical scrollbar

Parameters:
_vbar Pointer to the scrollbar

Definition at line 103 of file QTFCanvas.h.

References vbar.

Referenced by QMain::QMain().

void QTFCanvas::defaultSize (  )  [inline]

resets the size of the canvas

Definition at line 111 of file QTFCanvas.h.

References tfbig.

Referenced by QMain::load_tf_file().

void QTFCanvas::checkForLongClick (  ) 

checks if the mouse is pressed for a certain time

Definition at line 48 of file QTFCanvas.cpp.

References clicked, dtClick, VMouseEvent::getPosition(), m_tfmode_cb_Ptr, and RIGHT_PRESSED.

Referenced by QMain::watch().

void QTFCanvas::modeChanged ( int  index  ) 

method called when the mode of the TF Window is changed

Parameters:
index index of mode

Definition at line 726 of file QTFCanvas.cpp.

References m_tfmode, and RIGHT_PRESSED.

Referenced by QMain::QMain(), QMain::tf_menu(), QMain::tf_menu_1d(), QMain::tf_menu_2d(), and QMain::tf_menu_no().

void QTFCanvas::paintEvent ( QPaintEvent *  e  )  [virtual]

paint event for Canvas

Parameters:
e Pointer to the Event

Definition at line 148 of file QTFCanvas.cpp.

void QTFCanvas::mousePressEvent ( QMouseEvent *  e  )  [virtual]

method handling the mouse Press Event

Parameters:
e QMouseEvent

Definition at line 153 of file QTFCanvas.cpp.

References clicked, getMouseEvent(), VMouseEvent::getRightState(), and RIGHT_PRESSED.

void QTFCanvas::mouseReleaseEvent ( QMouseEvent *  e  )  [virtual]

method handling the mouse Release Event

Parameters:
e QMouseEvent

Definition at line 162 of file QTFCanvas.cpp.

References clicked, dragging_tfpt, dragging_tfpt2d, dtClick, m_tfmode_cb_Ptr, m_TransferFunction, modifytriangle, mouseClickEvent(), RIGHT_PRESSED, VTransferFunction::setZoomPoint(), and tfbig.

void QTFCanvas::mouseMoveEvent ( QMouseEvent *  e  )  [virtual]

method handling the mouse move Event

Parameters:
e QMouseEvent

Definition at line 186 of file QTFCanvas.cpp.

References VTransferFunction::addTransferFunctionPoint(), VTransferFunction2D::changePointPosition(), VTransferFunction2D::changeTriangleSize(), VTransferFunction2D::changeTriangleSkew(), dragging_tfpt, dragging_tfpt2d, VTransferFunction2D::findIndexTransferFunctionPoint(), VMouseEvent::getLeftState(), VMouseEvent::getMiddleState(), VMouseEvent::getModifiers(), getMouseEvent(), VMouseEvent::getPosition(), VMouseEvent::getRightState(), VTransferFunction::getTransferFunctionPoint(), VVector::getX(), VVector::getY(), vTransferFunctionPoint::m_Alpha, m_tfmode, m_TransferFunction, m_TransferFunction2d, VMouseEvent::MODIFIER_CTRL, modifytriangle, VTransferFunction::removeTransferFunctionPoint(), VTransferFunction::setZoomPoint(), tfbig, THRESHOLD_DETAIL, THRESHOLD_OVERVIEW, and VTransferFunction::transferFunctionPointInRange().

void QTFCanvas::mouseClickEvent ( VMouseEvent  gme  )  [virtual]

method handling the mouse click Event

Parameters:
e QMouseEvent

Definition at line 412 of file QTFCanvas.cpp.

References VTransferFunction2D::addTransferFunctionPoint(), VTransferFunction::addTransferFunctionPoint(), VMouseEvent::getLeftState(), VMouseEvent::getModifiers(), VMouseEvent::getPosition(), VVector::getX(), VVector::getY(), VVector::getZ(), vTransferFunctionPoint::m_Alpha, vTransferFunctionPoint::m_Color, m_tfmode, m_TransferFunction, m_TransferFunction2d, VMouseEvent::MODIFIER_ALT, VMouseEvent::MODIFIER_CTRL, tfbig, THRESHOLD_DETAIL, THRESHOLD_OVERVIEW, VTransferFunction2D::transferFunctionPointInRange(), and VTransferFunction::transferFunctionPointInRange().

Referenced by mouseReleaseEvent().

void QTFCanvas::mouseDoubleClickEvent ( QMouseEvent *  e  )  [virtual]

method handling the mouse doubleclick Event

Parameters:
e QMouseEvent

Definition at line 509 of file QTFCanvas.cpp.

References VTransferFunction::addTransferFunctionPoint(), VTransferFunction2D::changePointColor(), VTransferFunction::getAlpha(), VMouseEvent::getLeftState(), VMouseEvent::getModifiers(), getMouseEvent(), VMouseEvent::getPosition(), VMouseEvent::getRightState(), VVector::getX(), VVector::getY(), hbar, vTransferFunctionPoint::m_Alpha, vTransferFunctionPoint::m_Color, m_tfmode, m_TransferFunction, m_TransferFunction2d, VMouseEvent::MODIFIER_ALT, VMouseEvent::MODIFIER_CTRL, VTransferFunction2D::removeTransferFunctionPoint(), VTransferFunction::removeTransferFunctionPoint(), tfbig, THRESHOLD_DETAIL, THRESHOLD_OVERVIEW, VTransferFunction::transferFunctionPointInRange(), and vbar.

void QTFCanvas::keyPressEvent ( QKeyEvent *  e  )  [virtual]

method handling the key Press Event

Parameters:
e QKeyEvent

Definition at line 655 of file QTFCanvas.cpp.

void QTFCanvas::keyReleaseEvent ( QKeyEvent *  e  )  [virtual]

method handling the release Event

Parameters:
e QKeyEvent

Definition at line 661 of file QTFCanvas.cpp.

const VMouseEvent QTFCanvas::getMouseEvent ( QMouseEvent *  e  ) 

creates a VMouseEvent out of a QMouseEvent

Parameters:
e QMouseEvent Pointer
Returns:
VMouseEvent

Definition at line 668 of file QTFCanvas.cpp.

References VMouseEvent::BUTTON_LEFT, VMouseEvent::BUTTON_MIDDLE, VMouseEvent::BUTTON_NONE, VMouseEvent::BUTTON_RIGHT, VKeyboardEvent::MODIFIER_ALT, VKeyboardEvent::MODIFIER_CTRL, VKeyboardEvent::MODIFIER_SHIFT, VMouseEvent::STATE_DOWN, and VMouseEvent::STATE_UP.

Referenced by mouseDoubleClickEvent(), mouseMoveEvent(), and mousePressEvent().

const VKeyboardEvent QTFCanvas::getKeyboardEvent ( QKeyEvent *  e  ) 

creates a VKeyboardEvent out of a QKeyEvent

Parameters:
e QKeyEvent Pointer
Returns:
VKeyboardEvent

Definition at line 690 of file QTFCanvas.cpp.

References VKeyboardEvent::key, VKeyboardEvent::MODIFIER_ALT, VKeyboardEvent::MODIFIER_CTRL, and VKeyboardEvent::MODIFIER_SHIFT.

void QTFCanvas::redraw (  )  [virtual]

method called when window is redrawn

Definition at line 702 of file QTFCanvas.cpp.

References paintGL().

void QTFCanvas::saveTf ( std::string  filename  ) 

saves the current active tf

Parameters:
filename string containing the filename to save the tf to

Definition at line 734 of file QTFCanvas.cpp.

References m_tfmode, m_TransferFunction, m_TransferFunction2d, VTransferFunction2D::save(), and VTransferFunction::save().

Referenced by QMain::save_tf_file().

void QTFCanvas::loadTf ( std::string  filename  ) 

method for loading the tf

Parameters:
filename string with filename of new tf

Definition at line 779 of file QTFCanvas.cpp.

References VTransferFunction2D::load(), VTransferFunction::load(), m_TransferFunction, and m_TransferFunction2d.

Referenced by QMain::load_tf_file().

Member Data Documentation

VTransferFunction QTFCanvas::m_TransferFunction [private]

1D Transferfunction.

Definition at line 210 of file QTFCanvas.h.

Referenced by getTransferFunctionPtr(), loadTf(), mouseClickEvent(), mouseDoubleClickEvent(), mouseMoveEvent(), mouseReleaseEvent(), paintGL(), saveTf(), and setHistogram().

VTransferFunction2D QTFCanvas::m_TransferFunction2d [private]

2D Transferfunction. _

Definition at line 211 of file QTFCanvas.h.

Referenced by getTransferFunction2DPtr(), loadTf(), mouseClickEvent(), mouseDoubleClickEvent(), mouseMoveEvent(), paintGL(), saveTf(), and setHistogram().

float QTFCanvas::m_maxdensity [private]

maxdensity of volume.

Definition at line 213 of file QTFCanvas.h.

QComboBox* QTFCanvas::m_tfmode_cb_Ptr [private]

Pointer to the checkbox where tfs are switched.

Definition at line 214 of file QTFCanvas.h.

Referenced by checkForLongClick(), mouseReleaseEvent(), and setModePtr().

QScrollBar* QTFCanvas::hbar [private]

Pointer to the scrollbar.

Definition at line 215 of file QTFCanvas.h.

Referenced by mouseDoubleClickEvent(), and setHScroll().

QScrollBar* QTFCanvas::vbar [private]

Pointer to the scrollbar.

Definition at line 216 of file QTFCanvas.h.

Referenced by mouseDoubleClickEvent(), and setVScroll().

int QTFCanvas::m_tfmode [private]

int containing the current transferfunction mode.

Definition at line 218 of file QTFCanvas.h.

Referenced by modeChanged(), mouseClickEvent(), mouseDoubleClickEvent(), mouseMoveEvent(), paintGL(), QTFCanvas(), and saveTf().

bool QTFCanvas::tfbig [private]

if the tf is zoomed.

Definition at line 219 of file QTFCanvas.h.

Referenced by defaultSize(), mouseClickEvent(), mouseDoubleClickEvent(), mouseMoveEvent(), mouseReleaseEvent(), and QTFCanvas().

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