DatasetPreviewLabel Class Reference

#include <ImFusion/Dicom/GUI/DatasetPreviewLabel.h>

A widget that shows a preview image of a DICOM dataset. More...

Inheritance diagram for DatasetPreviewLabel:

Detailed Description

A widget that shows a preview image of a DICOM dataset.

This widget only works together with a DicomBrowserModel. The dataset for the preview is determined by a QModelIndex through setCurrent. An index pointing to an Image will use the Image's uri directly. If the index is a Series, the middle image is used by default. Additionally the user can scroll through the images of a series with the mouse wheel. The preview image is computed async and a placeholder is displayed until the image is available.

Public Slots
void	setCurrent (const QModelIndex &index)
	An index which should be previewed.

Signals
void	imageIndexChanged (int)

Public Member Functions
	DatasetPreviewLabel (QWidget *parent=nullptr)
	DatasetPreviewLabel (DicomBrowserModel *model, QWidget *parent)
void	setModel (DicomBrowserModel *model)
	The label will use the DatasetCache of the model to load DICOMs.
int	thumbnailSize () const
	Size in pixels of the preview image.
QImage	thumbnail () const
	Return the generated preview image.
void	setLoadingPlaceholder (QMovie *movie)
	The placeholder that is displayed while the actual image is loaded, e.g. a spinner.
void	setErrorPlaceholder (const QPixmap &image)
	The placeholder that is displayed if no preview could be generated.
int	imageIndex () const
int	framesCount () const
	If a series with multiple images is selected, returns the number of images If a series containing a single multi-frame image or a multi-frame image are selected, returns the number of frames in that image.
void	setImageIndex (int index)
	Sets the current image index.

Member Function Documentation

thumbnail()

QImage thumbnail

(

)

const

Return the generated preview image.

This will block until the preview image is available and will therefore never return the loadingPlaceholder. It might return the error placeholder.

setCurrent

void setCurrent ( const QModelIndex & index )

slot

An index which should be previewed.

A preview is only generated for Series and Image indices, otherwise the error placeholder is displayed. This must be an index of a DicomBrowserModel or a proxy that wraps a DicomBrowserModel.

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

• ImFusion/Dicom/GUI/DatasetPreviewLabel.h