Interface for adjusting image grain by bluring and sharpening. More...

#include <grainEditor.h>

Inheritance diagram for GrainEditor:

Collaboration diagram for GrainEditor:

Public Member Functions
	GrainEditor (QString filename, QWidget parent=0, const char name=0)
	Constructs layout.

	~GrainEditor ()

QImage *	getModifiedImage ()
	get modified image that resulted from adjustments

Protected Member Functions
void	keyPressEvent (QKeyEvent *e)

void	keyReleaseEvent (QKeyEvent *e)

Private Slots
void	selectPreviewImageType (int selection)
	updates preview image

void	resetBoundaries ()
	reset blur/sharpen of object boundaries

void	resetRegions ()
	reset blur/sharpen of regions

void	applyAction ()
	check for changes to settings, if so

void	resetAction ()
	resets image grain to original state

void	previewResized ()
	handle resize preview signals

void	generateAdjustedPreviewImage ()
	generate and set adjusted image

Private Member Functions
void	adjustImage (QImage &image, QPoint offset)

Private Attributes
QString	fileName

QSize	origImageSize

QImage	edgesImage

int *	clusterMap

int	numRegions

PanningPreviewInterface *	previewInterface
	Preview image.

SelectionPlacementInterface *	selectionPlacementInterface
	Interface for placing selection.

QComboBox *	previewSelection

Q3Frame *	buttonsFrame

BlurSharpenSlider *	boundariesSlider
	Grain slider.

ClickableLabel *	boundariesIcon

BlurSharpenSlider *	regionsSlider

ClickableLabel *	regionsIcon

Detailed Description

Interface for adjusting image grain by bluring and sharpening.

Definition at line 34 of file grainEditor.h.

Constructor & Destructor Documentation

◆ GrainEditor()

GrainEditor::GrainEditor	(	QString	filename,
		QWidget *	parent = 0,
		const char *	name = 0 )

Constructs layout.

Definition at line 40 of file grainEditor.cpp.

                                                                              : QDialog(parent,name,true)
{
  //record filename
  this->fileName = fileName;
 
  //record original image size
  getImageSize( fileName, origImageSize );
  
  //construct edges image
  //speed up edge finding by scaling image down to < 800x600
  scaleImage( fileName, edgesImage, 512, 384 );
  EdgeDetect detector( &edgesImage );
  clusterMap = detector.getClusterMap();
  numRegions = detector.getNumClusters();
  
  Q3Frame* visibleFrame = new Q3Frame( this, "visible widgets" );
  //--------------
  //Preview frame
  previewInterface = new PanningPreviewInterface( fileName, 
                                                  visibleFrame, "previewInterface" );
  previewSelection = new QComboBox( visibleFrame, "previewSelction" );
  previewSelection->insertItem( tr("Split View") );
  previewSelection->insertItem( tr("Original Image") );
  previewSelection->insertItem( tr("Adjusted Image") );
  connect( previewSelection, SIGNAL(activated(int)), this, SLOT(selectPreviewImageType(int)) );  
   //--------------  
  //Controls frame 
  Q3Frame* controlsFrame = new Q3Frame( visibleFrame, "controlsFrame" );
 
  QLabel* selectionLabel = new QLabel( tr("Region Shown in Detail:"), 
                                       controlsFrame, "selectionLabel" );
  
  selectionPlacementInterface = new SelectionPlacementInterface( fileName, 
                                                                 controlsFrame, 
                                                                 "selectionPlacementInterface" );
  //--
  connect( previewInterface, SIGNAL( selectionChanged() ),
           this, SLOT( previewResized() ) );
  connect( selectionPlacementInterface, SIGNAL(placementChanged(QRect)), 
           previewInterface, SLOT(setSelection(QRect)) );  
  //--
  boundariesSlider = new BlurSharpenSlider( Qt::Vertical, controlsFrame );
  boundariesSlider->setMinValue( -SLIDER_RADIUS );
  boundariesSlider->setMaxValue( SLIDER_RADIUS );
  connect( boundariesSlider, SIGNAL(valueChanged(int)),
           this, SLOT(generateAdjustedPreviewImage()) );
           
  boundariesIcon = new ClickableLabel( controlsFrame, "boundariesIcon" );
  connect( boundariesIcon, SIGNAL(clicked()), SLOT(resetBoundaries()) );    
 
//  boundariesIcon->setPixmap( QPixmap(QString(IMAGE_PATH)+"miscImages/boundaries.png") );
//  QToolTip::add( boundariesSlider, tr("Blur/sharpen boundaries") );  
//  QToolTip::add( boundariesIcon, tr("Reset boundaries") );
  boundariesIcon->setPixmap( QPixmap(QString(IMAGE_PATH)+"miscImages/blurSharpen.png") );
  QToolTip::add( boundariesSlider, tr("Blur/Sharpen Image") );  
  QToolTip::add( boundariesIcon, tr("Reset") );
  //--
  /*
 regionsSlider = new QSlider(Qt::Vertical, controlsFrame );
  regionsSlider->setMinValue( -SLIDER_RADIUS );
  regionsSlider->setMaxValue( SLIDER_RADIUS );
  connect( regionsSlider, SIGNAL(valueChanged(int)),
           this, SLOT(generateAdjustedPreviewImage()) );
  QToolTip::add( regionsSlider, tr("Blur/sharpen regions") );  
  
  regionsIcon = new ClickableLabel( controlsFrame, "regionsIcon" );
  regionsIcon->setPixmap( QPixmap(QString(IMAGE_PATH)+"miscImages/regions.png") );
  connect( regionsIcon, SIGNAL(clicked()), SLOT(resetRegions()) );    
  QToolTip::add( regionsIcon, tr("Reset regions") );
 */
  //--
  Q3GridLayout* controlsGrid = new Q3GridLayout( controlsFrame, 6, 4, 0 );
  controlsGrid->setRowStretch( 0, 1 );  
 
  controlsGrid->addMultiCellWidget( selectionLabel,              1,1, 0,3 );
  controlsGrid->addMultiCellWidget( selectionPlacementInterface, 2,2, 0,3 );
 
  controlsGrid->addWidget( boundariesSlider,  3, 1 );
  controlsGrid->addWidget( boundariesIcon,    4, 1 );
 
//  controlsGrid->addWidget( regionsSlider,  3, 2 );
//  controlsGrid->addWidget( regionsIcon,    4, 2 );
 
  //make sure sliders have enough space so all slider units are settable
  controlsGrid->setRowSpacing( 3, 2*SLIDER_RADIUS + 5) ;
 
  controlsGrid->setRowStretch( 5, 1 );  
  controlsGrid->setSpacing( WIDGET_SPACING ); 
 
  controlsGrid->setColStretch( 0, 1 );
  controlsGrid->setColStretch( 3, 1 );
  //--------------
  //Dialog buttons:  
  buttonsFrame =   new Q3Frame( visibleFrame, "dialogButtons" );
 
  QPushButton* applyButton = new QPushButton( tr("Apply"), buttonsFrame );
  applyButton->setDefault(true);
  applyButton->setFocus();
  connect( applyButton, SIGNAL(clicked()), SLOT(applyAction()) );
                                
  QPushButton* cancelButton = new QPushButton( tr("Cancel"), buttonsFrame );
  connect( cancelButton, SIGNAL(clicked()), SLOT(reject()) );
 
  QPushButton* resetButton = new QPushButton( tr("Reset"), buttonsFrame );
  connect( resetButton, SIGNAL(clicked()), SLOT(resetAction()) );
 
  Q3GridLayout* buttonsGrid = new Q3GridLayout( buttonsFrame, 1, 5, 0 );
  buttonsGrid->setColStretch( 0, 1 );
  buttonsGrid->addWidget( applyButton,  0, 1 );
  buttonsGrid->addWidget( cancelButton, 0, 2 );
  buttonsGrid->addWidget( resetButton, 0, 3 );
  buttonsGrid->setColStretch( 4, 1 );  
  buttonsGrid->setSpacing( WIDGET_SPACING );
  //--------------
  //Top level grid  
  Q3GridLayout* mainGrid = new Q3GridLayout( visibleFrame, 3, 2, 0 );
  
  mainGrid->addWidget( previewInterface, 0,0 );
  mainGrid->addWidget( previewSelection, 1,0, Qt::AlignHCenter );  
 
  mainGrid->addMultiCellWidget( controlsFrame, 0,1, 1,1 );
  
  mainGrid->addMultiCellWidget( buttonsFrame, 2,2, 0,1 );
 
  mainGrid->setRowStretch( 0, 1 );
  mainGrid->setColStretch( 0, 1 );
 
  mainGrid->setSpacing( WIDGET_SPACING );
  mainGrid->setMargin( WIDGET_SPACING );  
 
 
  Q3GridLayout* invisibleGrid = new Q3GridLayout( this, 2, 1, 0 );
  invisibleGrid->addWidget( visibleFrame, 0, 0 );
  invisibleGrid->setRowStretch( 0, 1 );
 
  //PLATFORM_SPECIFIC_CODE
  //windows users expect a grip, but qt doesn't put one in by default. we'll add
  //it for them too. :-)
#if defined(Q_OS_WIN)
  QSizeGrip* sizeGrip = new QSizeGrip( this );
  invisibleGrid->addWidget( sizeGrip, 1, 0, Qt::AlignRight | Qt::AlignBottom );
#endif
  
  
  
  
  //--------------
  //Window caption
  setCaption( tr("Grain Editor") );
  //-------------------------------
}

References applyAction(), boundariesIcon, boundariesSlider, buttonsFrame, clusterMap, edgesImage, fileName, generateAdjustedPreviewImage(), EdgeDetect::getClusterMap(), getImageSize(), EdgeDetect::getNumClusters(), IMAGE_PATH, numRegions, origImageSize, previewInterface, previewResized(), previewSelection, resetAction(), resetBoundaries(), scaleImage(), selectionPlacementInterface, selectPreviewImageType(), ClickableLabel::setPixmap(), SLIDER_RADIUS, and WIDGET_SPACING.

◆ ~GrainEditor()

GrainEditor::~GrainEditor ( )

Definition at line 192 of file grainEditor.cpp.

192{ }

Member Function Documentation

◆ adjustImage()

void GrainEditor::adjustImage	(	QImage &	image,
		QPoint	offset )

private

Definition at line 266 of file grainEditor.cpp.

{
  //no adjustment - don't change the image at all
  if( boundariesSlider->value() == 0 )//&&
      //regionsSlider->value() == 0 )
  { return; }
  
  //compute sigma
  float boundariesSigma;
  if( boundariesSlider->value() < 0 )
    boundariesSigma = (80.0f * QABS(boundariesSlider->value()) ) / 255.0f;  
  else
    boundariesSigma = (25.5f * QABS(boundariesSlider->value()) ) / 255.0f;  
//  float regionsSigma = (20.0f * QABS(regionsSlider->value()) ) / 255.0f;  
 
  
  //sharpen
  if ( boundariesSlider->value() < 0 )
  {
    sharpenImage( image, boundariesSigma, 
                  offset, origImageSize,
                  &edgesImage, true ); 
  }
  //blur
  else if( boundariesSlider->value() > 0 )
  {
    blurImage( image, boundariesSigma );
  }
 
  /*
  //sharpen boundaries
  if ( boundariesSlider->value() < 0 )
  {
    sharpenImage( image, boundariesSigma, 
                  offset, origImageSize,
                  &edgesImage, true ); 
  }
  //blur boundaries
  else if( boundariesSlider->value() > 0 )
  {
    blurImage( image, boundariesSigma, 
               offset, origImageSize,
               &edgesImage, NULL, numRegions, true ); 
  }
  
  //sharpen regions
  if ( regionsSlider->value() < 0 )
  {
    sharpenImage( image, regionsSigma, 
                  offset, origImageSize,
                  &edgesImage, false ); 
  }
  //blur regions
  else if( regionsSlider->value() > 0 )
  { 
    blurImage( image, regionsSigma, 
               offset, origImageSize,
               &edgesImage, clusterMap, numRegions, false );
  }
  */
 
}

References blurImage(), boundariesSlider, edgesImage, origImageSize, and sharpenImage().

Referenced by generateAdjustedPreviewImage(), and getModifiedImage().

◆ applyAction

void GrainEditor::applyAction ( )

privateslot

check for changes to settings, if so

Definition at line 194 of file grainEditor.cpp.

{
  //check if user has adjusted grain.
  //if any changes have taken place call "accept", else "reject" so image is not
  //updated and appear modified
  if( boundariesSlider->value() != 0 )
    //||
    //  regionsSlider->value() != 0 )
  { accept(); }
  else
  { reject(); }  
}

References boundariesSlider.

Referenced by GrainEditor().

◆ generateAdjustedPreviewImage

void GrainEditor::generateAdjustedPreviewImage ( )

privateslot

generate and set adjusted image

Definition at line 253 of file grainEditor.cpp.

{
  //get original image
  QImage origImage = previewInterface->getOrigImage();
 
  //construct adjusted image
  QImage adjustedImage = origImage.copy();
  adjustImage( adjustedImage, previewInterface->getSelection().topLeft() );
  
  //set adjusted image
  previewInterface->setAdjustedImage( adjustedImage );
}

References adjustImage(), SplitViewInterface::getOrigImage(), PanningPreviewInterface::getSelection(), previewInterface, and SplitViewInterface::setAdjustedImage().

Referenced by GrainEditor(), and previewResized().

◆ getModifiedImage()

QImage * GrainEditor::getModifiedImage ( )

get modified image that resulted from adjustments

Definition at line 223 of file grainEditor.cpp.

{ 
  QImage* adjustedImage = new QImage(fileName);  
 
  //convert to 32-bit depth if necessary
  if( adjustedImage->depth() < 32 )
  {
    QImage* tmp = adjustedImage;
    adjustedImage = new QImage( tmp->convertDepth( 32, Qt::AutoColor ) );
    delete tmp; tmp=NULL;
  }
  
  adjustImage( *adjustedImage, QPoint(0,0) );
  return adjustedImage;  
}

References adjustImage(), and fileName.

Referenced by EditingInterface::adjustGrain().

◆ keyPressEvent()

void GrainEditor::keyPressEvent ( QKeyEvent * e )

protected

Definition at line 329 of file grainEditor.cpp.

{
  if(e->key() == Qt::Key_Control )
  {
    PREVIEW_MODE curMode = (PREVIEW_MODE) previewSelection->currentItem();
    if(curMode == ORIGINAL_IMAGE)
      previewInterface->setPreviewMode( ADJUSTED_IMAGE, true );
    else if(curMode == ADJUSTED_IMAGE)
      previewInterface->setPreviewMode( ORIGINAL_IMAGE, true );
    else
      previewInterface->setPreviewMode( INV_SPLIT_VIEW );
  }
  else { QDialog::keyPressEvent(e); }
}

References ADJUSTED_IMAGE, INV_SPLIT_VIEW, ORIGINAL_IMAGE, previewInterface, previewSelection, and SplitViewInterface::setPreviewMode().

◆ keyReleaseEvent()

void GrainEditor::keyReleaseEvent ( QKeyEvent * e )

protected

Definition at line 344 of file grainEditor.cpp.

{
  if(e->key() == Qt::Key_Control )
  {
    previewInterface->setPreviewMode( (PREVIEW_MODE) previewSelection->currentItem(), 
                                      false );
  }
  else { QDialog::keyReleaseEvent(e); }
}

References previewInterface, previewSelection, and SplitViewInterface::setPreviewMode().

◆ previewResized

void GrainEditor::previewResized ( )

privateslot

handle resize preview signals

Definition at line 244 of file grainEditor.cpp.

{
  //reset selected region in selection placement interface
  selectionPlacementInterface->setSelectedRegion( previewInterface->getSelection() );
 
  //regenerate adjusted image and repaint
  generateAdjustedPreviewImage();
}

References generateAdjustedPreviewImage(), PanningPreviewInterface::getSelection(), previewInterface, selectionPlacementInterface, and SelectionPlacementInterface::setSelectedRegion().

Referenced by GrainEditor().

◆ resetAction

void GrainEditor::resetAction ( )

privateslot

resets image grain to original state

Definition at line 217 of file grainEditor.cpp.

{
  boundariesSlider->setValue( 0 );
  //regionsSlider->setValue( 0 );
}

References boundariesSlider.

Referenced by GrainEditor().

◆ resetBoundaries

void GrainEditor::resetBoundaries ( )

privateslot

reset blur/sharpen of object boundaries

Definition at line 207 of file grainEditor.cpp.

{
  boundariesSlider->setValue( 0 );
}

References boundariesSlider.

Referenced by GrainEditor().

◆ resetRegions

void GrainEditor::resetRegions ( )

privateslot

reset blur/sharpen of regions

Definition at line 212 of file grainEditor.cpp.

{
  //regionsSlider->setValue( 0 );
}

◆ selectPreviewImageType

void GrainEditor::selectPreviewImageType ( int selection )

privateslot

updates preview image

Definition at line 239 of file grainEditor.cpp.

{
  previewInterface->setPreviewMode( (PREVIEW_MODE)selection );
}

References previewInterface, and SplitViewInterface::setPreviewMode().

Referenced by GrainEditor().

Member Data Documentation

◆ boundariesIcon

ClickableLabel* GrainEditor::boundariesIcon

private

Definition at line 104 of file grainEditor.h.

Referenced by GrainEditor().

◆ boundariesSlider

BlurSharpenSlider* GrainEditor::boundariesSlider

private

Grain slider.

Definition at line 103 of file grainEditor.h.

Referenced by adjustImage(), applyAction(), GrainEditor(), resetAction(), and resetBoundaries().

◆ buttonsFrame

Q3Frame* GrainEditor::buttonsFrame

private

Definition at line 100 of file grainEditor.h.

Referenced by GrainEditor().

◆ clusterMap

int* GrainEditor::clusterMap

private

Definition at line 90 of file grainEditor.h.

Referenced by GrainEditor().

◆ edgesImage

QImage GrainEditor::edgesImage

private

Definition at line 87 of file grainEditor.h.

Referenced by adjustImage(), and GrainEditor().

◆ fileName

QString GrainEditor::fileName

private

Definition at line 81 of file grainEditor.h.

Referenced by getModifiedImage(), and GrainEditor().

◆ numRegions

int GrainEditor::numRegions

private

Definition at line 91 of file grainEditor.h.

Referenced by GrainEditor().

◆ origImageSize

QSize GrainEditor::origImageSize

private

Definition at line 84 of file grainEditor.h.

Referenced by adjustImage(), and GrainEditor().

◆ previewInterface

PanningPreviewInterface* GrainEditor::previewInterface

private

Preview image.

Definition at line 94 of file grainEditor.h.

Referenced by generateAdjustedPreviewImage(), GrainEditor(), keyPressEvent(), keyReleaseEvent(), previewResized(), and selectPreviewImageType().

◆ previewSelection

QComboBox* GrainEditor::previewSelection

private

Definition at line 99 of file grainEditor.h.

Referenced by GrainEditor(), keyPressEvent(), and keyReleaseEvent().

◆ regionsIcon

ClickableLabel* GrainEditor::regionsIcon

private

Definition at line 107 of file grainEditor.h.

◆ regionsSlider

BlurSharpenSlider* GrainEditor::regionsSlider

private

Definition at line 106 of file grainEditor.h.

◆ selectionPlacementInterface

SelectionPlacementInterface* GrainEditor::selectionPlacementInterface

private

Interface for placing selection.

Definition at line 97 of file grainEditor.h.

Referenced by GrainEditor(), and previewResized().

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

Public Member Functions

Protected Member Functions

Private Slots

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ GrainEditor()

◆ ~GrainEditor()

Member Function Documentation

◆ adjustImage()

◆ applyAction

◆ generateAdjustedPreviewImage

◆ getModifiedImage()

◆ keyPressEvent()

◆ keyReleaseEvent()

◆ previewResized

◆ resetAction

◆ resetBoundaries

◆ resetRegions

◆ selectPreviewImageType

Member Data Documentation

◆ boundariesIcon

◆ boundariesSlider

◆ buttonsFrame

◆ clusterMap

◆ edgesImage

◆ fileName

◆ numRegions

◆ origImageSize

◆ previewInterface

◆ previewSelection

◆ regionsIcon

◆ regionsSlider

◆ selectionPlacementInterface