#include <scaledPreviewInterface.h>

Inheritance diagram for ScaledPreviewInterface:

Collaboration diagram for ScaledPreviewInterface:

Signals
void	resized ()

Public Member Functions
	ScaledPreviewInterface (QString imageFilename, QWidget parent=0, const char name=0)
	Creates layout.

virtual QSize	sizeHint () const

virtual QSize	minimumSizeHint () const

Public Member Functions inherited from SplitViewInterface
	SplitViewInterface (QWidget parent=0, const char name=0)
	Creates layout.

void	setPreviewMode (PREVIEW_MODE mode, bool forceDrawLabel=false)
	Sets preview mode.

void	setImages (QImage origImage, QImage adjustedImage)

void	setAdjustedImage (QImage adjustedImage)
	sets adjusted image and repaints

QImage &	getOrigImage ()
	returns orig image object

Protected Member Functions
void	resizeEvent (QResizeEvent *)

Protected Member Functions inherited from SplitViewInterface
void	paintEvent (QPaintEvent *e)

void	mousePressEvent (QMouseEvent *e)

void	mouseReleaseEvent (QMouseEvent *)

void	mouseMoveEvent (QMouseEvent *e)

Private Attributes
QImage	fullScreenImage
	Full screen version of image.

QSize	origImageSize
	original image dimensions

Detailed Description

Definition at line 21 of file scaledPreviewInterface.h.

Constructor & Destructor Documentation

◆ ScaledPreviewInterface()

ScaledPreviewInterface::ScaledPreviewInterface	(	QString	imageFilename,
		QWidget *	parent = 0,
		const char *	name = 0 )

Creates layout.

Definition at line 22 of file scaledPreviewInterface.cpp.

                                                                                    : 
                                                SplitViewInterface (parent, name )
{                  
  //store original image dimensions
  getImageSize( imageFilename, origImageSize );
  
  //resize image to current screen size for faster
  //scaling during resize events
  QRect screenSize = qApp->desktop()->availableGeometry();
  scaleImage( imageFilename, fullScreenImage, screenSize.width()/2, screenSize.height()/2 );
  //-----
}

References fullScreenImage, getImageSize(), origImageSize, and scaleImage().

Member Function Documentation

◆ minimumSizeHint()

QSize ScaledPreviewInterface::minimumSizeHint ( ) const

virtual

Reimplemented from SplitViewInterface.

Definition at line 61 of file scaledPreviewInterface.cpp.

{
  QSize baseMinSize = SplitViewInterface::minimumSizeHint();
  int w = baseMinSize.width();
  int h = QMAX( baseMinSize.height(), (w*origImageSize.height())/origImageSize.width() );
  return QSize( w, h );
}

References SplitViewInterface::minimumSizeHint(), and origImageSize.

◆ resized

void ScaledPreviewInterface::resized ( )

signal

Referenced by resizeEvent().

◆ resizeEvent()

void ScaledPreviewInterface::resizeEvent ( QResizeEvent * )

protectedvirtual

Implements SplitViewInterface.

Definition at line 36 of file scaledPreviewInterface.cpp.

{
  //if image has yet to be set return
  if( fullScreenImage.isNull() ) return;
 
  //generate orig image
  //set adjusted image to null so repain won't occur until it is reset
  setImages( fullScreenImage.scaled( width(), height(), Qt::KeepAspectRatio ),
             QImage() );
  
  //emit resized signal
  emit resized();
}

References fullScreenImage, height, resized(), SplitViewInterface::setImages(), and width.

◆ sizeHint()

QSize ScaledPreviewInterface::sizeHint ( ) const

virtual

Implements SplitViewInterface.

Definition at line 50 of file scaledPreviewInterface.cpp.

{
  //a 500x375 is 4:3 aspect ratio which is fairly typical
  //we'll clamp the hight to 375 in the situation where an image is mucher taller than wide
  //(and hence computed height would be so big window won't fit on screen)  
  int w = 500;
  int h = QMIN( 375, (w*origImageSize.height())/origImageSize.width() );
 
  return QSize( w,h );
}

References origImageSize.

Member Data Documentation

◆ fullScreenImage

QImage ScaledPreviewInterface::fullScreenImage

private

Full screen version of image.

Definition at line 37 of file scaledPreviewInterface.h.

Referenced by resizeEvent(), and ScaledPreviewInterface().

◆ origImageSize

QSize ScaledPreviewInterface::origImageSize

private

original image dimensions

Definition at line 40 of file scaledPreviewInterface.h.

Referenced by minimumSizeHint(), ScaledPreviewInterface(), and sizeHint().

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

Signals

Public Member Functions

Protected Member Functions

Private Attributes