Digikam::ImageRegionWidget Class Reference

Inheritance diagram for Digikam::ImageRegionWidget:

Public Slots
void	slotOriginalImageRegionChanged (bool targetDone=true)
void	slotPreviewModeChanged (int mode)

Signals
void	signalCapturedPointFromOriginal (const Digikam::DColor &, const QPoint &)
void	signalOriginalClipFocusChanged ()
void	signalSpotPositionChangedFromOriginal (const Digikam::DColor &, const QPoint &)
Signals inherited from Digikam::GraphicsDImgView
void	activated ()
void	contentsMoved (bool panningFinished)
void	contentsMoving (int, int)
void	leftButtonClicked ()
void	leftButtonDoubleClicked ()
void	resized ()
void	rightButtonClicked ()
void	signalZoomFactorChanged ()
void	toNextImage ()
void	toPreviousImage ()
void	viewportRectChanged (const QRectF &viewportRect)

Public Member Functions
	ImageRegionWidget (QWidget *const parent=nullptr, bool paintExtras=true)
bool	capturePointMode () const
void	exposureSettingsChanged ()
DImg	getOriginalImage () const
QRect	getOriginalImageRegionToRender () const
	To get target image region area to render.
DImg	getOriginalRegionImage (bool useDownscaledImage=false) const
	To get target image region image to use for render operations If the bool parameter is true a downscaled version of the image region at screen resolution will be sent.
void	ICCSettingsChanged ()
bool	isBusy () const
void	setBusy (bool b)
	: set an internal flag to prevent glitch in the canvas when preview filter render a region.
void	setCapturePointMode (bool b)
void	setHighLightPoints (const QPolygon &pointsList)
void	setPreviewImage (const DImg &img)
void	updateImage (const DImg &img)
Public Member Functions inherited from Digikam::GraphicsDImgView
	GraphicsDImgView (QWidget *const parent=nullptr)
int	contentsX () const
int	contentsY () const
void	drawText (QPainter *p, const QRectF &rect, const QString &text)
void	fitToWindow ()
bool	isMagnifierVisible () const
GraphicsDImgItem *	item () const
	Return the instance of item set by setItem().
SinglePhotoPreviewLayout *	layout () const
int	magnifierSize () const
qreal	magnifierZoomFactor () const
DImgPreviewItem *	previewItem () const
void	scrollPointOnPoint (const QPointF &scenePos, const QPoint &viewportPos)
	Scrolls the view such that scenePos (in scene coordinates is displayed on the viewport at viewportPos (in viewport coordinates).
void	setContentsPos (int x, int y)
void	setItem (GraphicsDImgItem *const item)
	Store internal instance of item as GraphicsDImgItem.
void	setMagnifierSize (int size)
void	setMagnifierVisible (bool b)
void	setMagnifierZoomFactor (qreal factor)
void	toggleFullScreen (bool set)
void	updatePanIconWidget ()
QRect	visibleArea () const

Protected Member Functions
void	mouseMoveEvent (QMouseEvent *) override
void	mousePressEvent (QMouseEvent *) override
void	mouseReleaseEvent (QMouseEvent *) override
Protected Member Functions inherited from Digikam::GraphicsDImgView
virtual bool	acceptsMouseClick (QMouseEvent *e)
void	continuePanning (const QPoint &pos)
void	drawForeground (QPainter *painter, const QRectF &rect) override
virtual bool	event (QEvent *) override
void	finishPanning ()
PanIconWidget *	installPanIcon ()
virtual void	mouseDoubleClickEvent (QMouseEvent *) override
virtual void	resizeEvent (QResizeEvent *) override
virtual void	scrollContentsBy (int dx, int dy) override
void	setScaleFitToWindow (bool value)
void	setShowText (bool value)
void	startPanning (const QPoint &pos)
virtual bool	viewportEvent (QEvent *) override
virtual void	wheelEvent (QWheelEvent *) override

Additional Inherited Members
Protected Slots inherited from Digikam::GraphicsDImgView
void	slotContentsMoved ()
virtual void	slotPanIconSelectionMoved (const QRect &, bool)
void	slotRefreshPanIconSelection ()
void	slotZoomFactorChanged ()

Member Function Documentation

getOriginalRegionImage()

DImg Digikam::ImageRegionWidget::getOriginalRegionImage

(

bool

useDownscaledImage = false

)

const

Should be use to increase preview speed for the effects whose behaviour is a function of each pixel.

mouseMoveEvent()

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

overrideprotectedvirtual

Reimplemented from Digikam::GraphicsDImgView.

mousePressEvent()

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

overrideprotectedvirtual

Reimplemented from Digikam::GraphicsDImgView.

mouseReleaseEvent()

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

overrideprotectedvirtual

Reimplemented from Digikam::GraphicsDImgView.

setBusy()

void Digikam::ImageRegionWidget::setBusy

(

bool

b

)

The canvas update can be processed only when the filter complete the job. Typical case of dysfunction: zoom out the canvas with a preview redending an half of the image. Due to a race condition, an older area is flush on the part of the image to render and still present while the filter is done.