facets.core.app.avatar
Interface ZoomPanView

All Superinterfaces:

AvatarView, PlaneView, SView, Titled

All Known Implementing Classes:

ZoomPanViewWorks

public interface ZoomPanView
extends PlaneView

Policy for a viewer that zooms and pans over a bounded plane area.

Nested Class Summary

Nested classes/interfaces inherited from interface facets.core.app.avatar.PlaneView

PlaneView.ResizeResponse

Field Summary

Fields inherited from interface facets.core.app.avatar.PlaneView

INCH_PTS, ZOOM_IN, ZOOM_OUT

Fields inherited from interface facets.core.superficial.app.SView

NO_VIEW

Method Summary

Point	focusAt() The last position set with setFocusAt(Point).
double	originToLeft() The unscaled distance from the viewport origin to the left edge of the bounded plane.
double	originToTop() The unscaled distance from the viewport origin to the top edge of the bounded plane.
double	planeHeight() The unscaled height of the bounded plane.
double	planeWidth() The unscaled width of the bounded plane.
void	setFocusAt(Point at) Set a position within the bounded plane that should appear as near as possible to the centre of the viewport.

Methods inherited from interface facets.core.app.avatar.PlaneView

plotShift, resizeResponse, scale, setShowValues, showHeight, showWidth, stamp, ySign

Methods inherited from interface facets.core.app.avatar.AvatarView

avatars, backgroundStyle, doesDnD, markLeapPixels, markPixels, pickHitPixels

Methods inherited from interface facets.core.superficial.app.SView

allowMultipleSelection, isLive

Methods inherited from interface facets.util.Titled

title

Method Detail

originToLeft

double originToLeft()

The unscaled distance from the viewport origin to the left edge of the bounded plane.

Returns:

any double

originToTop

double originToTop()

The unscaled distance from the viewport origin to the top edge of the bounded plane.

Returns:

any double

planeHeight

double planeHeight()

The unscaled height of the bounded plane.

Returns:

a positive double

planeWidth

double planeWidth()

The unscaled width of the bounded plane.

Returns:

a positive double

focusAt

Point focusAt()

The last position set with setFocusAt(Point).

setFocusAt

void setFocusAt(Point at)

Set a position within the bounded plane that should appear as near as possible to the centre of the viewport.

Parameters:

at - should define a position within the bounded plane