Digikam::DPreviewImage Class Reference

Inheritance diagram for Digikam::DPreviewImage:

Public Slots
void	slotClearActiveSelection ()
void	slotClearHighlight ()
	This function removes the highlight area.
void	slotSetHighlightArea (float tl_x, float tl_y, float br_x, float br_y)
	This function is used to darken everything except what is inside the given area.
void	slotSetHighlightShown (int percentage, const QColor &highLightColor=Qt::white)
	This function sets the percentage of the highlighted area that is visible.
void	slotSetSelection (float tl_x, float tl_y, float br_x, float br_y)
	This function is used to set a selection without the user setting it.
void	slotZoom2Fit ()
void	slotZoomIn ()
void	slotZoomOut ()
void	slotSetTLX (float ratio)
	Selection area specific slots (TL = TopLeft, BR = BottomRight).
void	slotSetTLY (float ratio)
void	slotSetBRX (float ratio)
void	slotSetBRY (float ratio)

Signals
void	signalSelectionChanged (const QRectF &)

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)
	Sets a selection area and show it.

Protected Member Functions
void	enterEvent (QEnterEvent *) 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

Member Function Documentation

setSelectionArea()

void Digikam::DPreviewImage::setSelectionArea

(

const QRectF &

rectangle

)

Parameters

rectangle

This rectangle should have height and width of 1.0

slotSetHighlightArea

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

slot

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

The rest is hidden. This stacks with the previous highlight area.

Parameters

percentage	is the percentage of the highlighted area that is shown.
highLightColor	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

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.