Inheritance diagram for Digikam::DPreviewImage:

Public Slots
void	slotClearActiveSelection ()

void	slotClearHighlight ()

void	slotSetHighlightArea (float tl_x, float tl_y, float br_x, float br_y)

void	slotSetHighlightShown (int percentage, const QColor &highLightColor=Qt::white)

void	slotSetSelection (float tl_x, float tl_y, float br_x, float br_y)

void	slotZoom2Fit ()

void	slotZoomIn ()

void	slotZoomOut ()


void	slotSetTLX (float ratio)
	Selection area specific slots (TL = TopLeft, BR = BottomRight) More...

void	slotSetTLY (float ratio)

void	slotSetBRX (float ratio)

void	slotSetBRY (float ratio)

Public Member Functions
	DPreviewImage (QWidget *const parent)

void	enableSelectionArea (bool b)

QRectF	getSelectionArea () const

bool	load (const QUrl &file) const

bool	setImage (const QImage &img) const

void	setSelectionArea (const QRectF &rectangle)

	~DPreviewImage () override

Protected Member Functions
void	enterEvent (QEvent *) override

bool	eventFilter (QObject , QEvent ) override

void	leaveEvent (QEvent *) override

void	mouseMoveEvent (QMouseEvent *) override

void	mousePressEvent (QMouseEvent *) override

void	mouseReleaseEvent (QMouseEvent *) override

void	resizeEvent (QResizeEvent *) override

void	updateHighlight ()

void	updateSelVisibility ()

void	wheelEvent (QWheelEvent *) override

Constructor & Destructor Documentation

◆ DPreviewImage()

Digikam::DPreviewImage::DPreviewImage ( QWidget *const parent )

explicit

References Digikam::DSelectionItem::None, slotZoom2Fit(), slotZoomIn(), and slotZoomOut().

◆ ~DPreviewImage()

Digikam::DPreviewImage::~DPreviewImage ( )

override

Member Function Documentation

◆ enableSelectionArea()

void Digikam::DPreviewImage::enableSelectionArea ( bool b )

◆ enterEvent()

void Digikam::DPreviewImage::enterEvent ( QEvent * )

overrideprotected

◆ eventFilter()

bool Digikam::DPreviewImage::eventFilter	(	QObject *	obj,
		QEvent *	ev
	)

overrideprotected

◆ getSelectionArea()

QRectF Digikam::DPreviewImage::getSelectionArea ( ) const

◆ leaveEvent()

void Digikam::DPreviewImage::leaveEvent ( QEvent * )

overrideprotected

◆ load()

bool Digikam::DPreviewImage::load ( const QUrl & file ) const

References Digikam::DImg::copyQImage(), Digikam::PreviewLoadThread::loadHighQualitySynchronously(), and setImage().

◆ mouseMoveEvent()

void Digikam::DPreviewImage::mouseMoveEvent ( QMouseEvent * e )

overrideprotected

References Digikam::DSelectionItem::Bottom, Digikam::DSelectionItem::BottomLeft, Digikam::DSelectionItem::BottomRight, Digikam::DSelectionItem::Left, Digikam::DSelectionItem::Move, Digikam::DSelectionItem::None, Digikam::DSelectionItem::Right, Digikam::DSelectionItem::Top, Digikam::DSelectionItem::TopLeft, Digikam::DSelectionItem::TopRight, updateHighlight(), and value.

◆ mousePressEvent()

void Digikam::DPreviewImage::mousePressEvent ( QMouseEvent * e )

overrideprotected

References Digikam::DSelectionItem::BottomRight, Digikam::DSelectionItem::Move, Digikam::DSelectionItem::None, and updateHighlight().

◆ mouseReleaseEvent()

void Digikam::DPreviewImage::mouseReleaseEvent ( QMouseEvent * e )

overrideprotected

References DigikamGenericDNGConverterPlugin::NONE, slotClearActiveSelection(), and updateHighlight().

◆ resizeEvent()

void Digikam::DPreviewImage::resizeEvent ( QResizeEvent * e )

overrideprotected

◆ setImage()

bool Digikam::DPreviewImage::setImage ( const QImage & img ) const

Referenced by load().

◆ setSelectionArea()

void Digikam::DPreviewImage::setSelectionArea ( const QRectF & rectangle )

Sets a selection area and show it

Parameters

rectangle This rectangle should have height and width of 1.0

◆ slotClearActiveSelection

void Digikam::DPreviewImage::slotClearActiveSelection ( )

slot

Referenced by mouseReleaseEvent().

◆ slotClearHighlight

void Digikam::DPreviewImage::slotClearHighlight ( )

slot

This function removes the highlight area.

◆ slotSetBRX

void Digikam::DPreviewImage::slotSetBRX ( float ratio )

slot

References updateSelVisibility().

◆ slotSetBRY

void Digikam::DPreviewImage::slotSetBRY ( float ratio )

slot

References updateSelVisibility().

◆ slotSetHighlightArea

void Digikam::DPreviewImage::slotSetHighlightArea	(	float	tl_x,
		float	tl_y,
		float	br_x,
		float	br_y
	)

slot

This function is used to darken everything except what is inside the given area.

Note: all parameters must be in the range 0.0 -> 1.0.

Parameters

tl_x	is the x coordinate of the top left corner 0=0 1=image with.
tl_y	is the y coordinate of the top left corner 0=0 1=image height.
br_x	is the x coordinate of the bottom right corner 0=0 1=image with.
br_y	is the y coordinate of the bottom right corner 0=0 1=image height.

◆ slotSetHighlightShown

void Digikam::DPreviewImage::slotSetHighlightShown	(	int	percentage,
		const QColor &	highLightColor = `Qt::white`
	)

slot

This function sets the percentage of the highlighted area that is visible. The rest is hidden. This stacks with the previous highlight area.

Parameters

percentage	is the percentage of the highlighted area that is shown.
hideColor	is the color to use to hide the highlighted area of the image.

◆ slotSetSelection

void Digikam::DPreviewImage::slotSetSelection	(	float	tl_x,
		float	tl_y,
		float	br_x,
		float	br_y
	)

slot

This function is used to set a selection without the user setting it.

Note: all parameters must be in the range 0.0 -> 1.0.

Parameters

tl_x	is the x coordinate of the top left corner 0=0 1=image with.
tl_y	is the y coordinate of the top left corner 0=0 1=image height.
br_x	is the x coordinate of the bottom right corner 0=0 1=image with.
br_y	is the y coordinate of the bottom right corner 0=0 1=image height.

References updateSelVisibility().

◆ slotSetTLX

void Digikam::DPreviewImage::slotSetTLX ( float ratio )

slot

Selection area specific slots (TL = TopLeft, BR = BottomRight)

References updateSelVisibility().

◆ slotSetTLY

void Digikam::DPreviewImage::slotSetTLY ( float ratio )

slot

References updateSelVisibility().

◆ slotZoom2Fit

void Digikam::DPreviewImage::slotZoom2Fit ( )

slot

Referenced by DPreviewImage().

◆ slotZoomIn

void Digikam::DPreviewImage::slotZoomIn ( )

slot

Referenced by DPreviewImage(), and wheelEvent().

◆ slotZoomOut

void Digikam::DPreviewImage::slotZoomOut ( )

slot

Referenced by DPreviewImage(), and wheelEvent().

◆ updateHighlight()

void Digikam::DPreviewImage::updateHighlight ( )

protected

Referenced by mouseMoveEvent(), mousePressEvent(), mouseReleaseEvent(), and updateSelVisibility().

◆ updateSelVisibility()

void Digikam::DPreviewImage::updateSelVisibility ( )

protected

References updateHighlight().

Referenced by slotSetBRX(), slotSetBRY(), slotSetSelection(), slotSetTLX(), and slotSetTLY().

◆ wheelEvent()

void Digikam::DPreviewImage::wheelEvent ( QWheelEvent * e )

overrideprotected

References slotZoomIn(), and slotZoomOut().

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

core/libs/dplugins/widgets/dpreviewimage.h
core/libs/dplugins/widgets/dpreviewimage.cpp

Public Slots

Public Member Functions

Protected Member Functions

Constructor & Destructor Documentation

◆ DPreviewImage()

◆ ~DPreviewImage()

Member Function Documentation

◆ enableSelectionArea()

◆ enterEvent()

◆ eventFilter()

◆ getSelectionArea()

◆ leaveEvent()

◆ load()

◆ mouseMoveEvent()

◆ mousePressEvent()

◆ mouseReleaseEvent()

◆ resizeEvent()

◆ setImage()

◆ setSelectionArea()

◆ slotClearActiveSelection

◆ slotClearHighlight

◆ slotSetBRX

◆ slotSetBRY

◆ slotSetHighlightArea

◆ slotSetHighlightShown

◆ slotSetSelection

◆ slotSetTLX

◆ slotSetTLY

◆ slotZoom2Fit

◆ slotZoomIn

◆ slotZoomOut

◆ updateHighlight()

◆ updateSelVisibility()

◆ wheelEvent()