Package org.openstreetmap.josm.gui.layer.geoimage.viewers.projections

Class Equirectangular

java.lang.Object

java.awt.event.ComponentAdapter

org.openstreetmap.josm.gui.layer.geoimage.viewers.projections.Equirectangular

All Implemented Interfaces:

java.awt.event.ComponentListener, java.util.EventListener, IImageViewer

public class Equirectangular
extends java.awt.event.ComponentAdapter
implements IImageViewer

A class for showing 360 images that use the equirectangular projection

Since:

18246

Field Summary

Fields

Modifier and Type	Field	Description
private CameraPlane	cameraPlane
private java.awt.image.BufferedImage	offscreenImage

Constructor Summary

Constructors

Constructor	Description
Equirectangular()

Method Summary

Modifier and Type	Method	Description
void	checkAndModifyVisibleRectSize(java.awt.Image image, ImageDisplay.VisRect visibleRect)	Check and modify the visible rect size to appropriate dimensions
void	componentResized(java.awt.event.ComponentEvent e)
ImageDisplay.VisRect	getDefaultVisibleRectangle(java.awt.Component component, java.awt.Image image)	Get the default visible rectangle for the projection
java.awt.Image	getMaxImageSize(ImageDisplay imageDisplay, java.awt.Image image)	Get the maximum image size that can be displayed
Vector3D	getRotation()	Get the current rotation in the image viewer
java.util.Set<Projections>	getSupportedProjections()	Get the supported projections for the image viewer
void	mouseDragged(java.awt.Point from, java.awt.Point to, ImageDisplay.VisRect currentVisibleRect)	Indicate that the mouse has been dragged to a point
void	paintImage(java.awt.Graphics g, java.awt.image.BufferedImage image, java.awt.Rectangle target, java.awt.Rectangle visibleRect)	Paint the image
private CameraPlane	updateCameraPlane(int width, int height)	Update the current camera plane

Methods inherited from class java.awt.event.ComponentAdapter

componentHidden, componentMoved, componentShown

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.awt.event.ComponentListener

componentHidden, componentMoved, componentShown

Field Detail

cameraPlane

@Nullable
private volatile CameraPlane cameraPlane

offscreenImage

private volatile java.awt.image.BufferedImage offscreenImage

Constructor Detail

Equirectangular

public Equirectangular()

Method Detail

getSupportedProjections

public java.util.Set<Projections> getSupportedProjections()

Description copied from interface: IImageViewer

Get the supported projections for the image viewer

Specified by:

getSupportedProjections in interface IImageViewer

Returns:

The projections supported. Typically, only one.

paintImage

public void paintImage(java.awt.Graphics g,
                       java.awt.image.BufferedImage image,
                       java.awt.Rectangle target,
                       java.awt.Rectangle visibleRect)

Description copied from interface: IImageViewer

Paint the image

Specified by:

paintImage in interface IImageViewer

Parameters:

g - The graphics to paint on

image - The image to paint

target - The target area

visibleRect - The visible rectangle

getDefaultVisibleRectangle

public ImageDisplay.VisRect getDefaultVisibleRectangle(java.awt.Component component,
                                                       java.awt.Image image)

Description copied from interface: IImageViewer

Get the default visible rectangle for the projection

Specified by:

getDefaultVisibleRectangle in interface IImageViewer

Parameters:

component - The component the image will be displayed in

image - The image that will be shown

Returns:

The default visible rectangle

getRotation

public Vector3D getRotation()

Description copied from interface: IImageViewer

Get the current rotation in the image viewer

Specified by:

getRotation in interface IImageViewer

Returns:

The rotation

componentResized

public void componentResized(java.awt.event.ComponentEvent e)

Specified by:

componentResized in interface java.awt.event.ComponentListener

Overrides:

componentResized in class java.awt.event.ComponentAdapter

updateCameraPlane

@Nonnull
private CameraPlane updateCameraPlane(int width,
                                      int height)

Update the current camera plane

Parameters:

width - The width to use

height - The height to use

mouseDragged

public void mouseDragged(java.awt.Point from,
                         java.awt.Point to,
                         ImageDisplay.VisRect currentVisibleRect)

Description copied from interface: IImageViewer

Indicate that the mouse has been dragged to a point

Specified by:

mouseDragged in interface IImageViewer

Parameters:

from - The point the mouse was dragged from

to - The point the mouse has been dragged to

currentVisibleRect - The currently visible rectangle (this is updated by the default implementation)

checkAndModifyVisibleRectSize

public void checkAndModifyVisibleRectSize(java.awt.Image image,
                                          ImageDisplay.VisRect visibleRect)

Description copied from interface: IImageViewer

Check and modify the visible rect size to appropriate dimensions

Specified by:

checkAndModifyVisibleRectSize in interface IImageViewer

Parameters:

image - The image to use for checking

visibleRect - the visible rectangle to update

getMaxImageSize

public java.awt.Image getMaxImageSize(ImageDisplay imageDisplay,
                                      java.awt.Image image)

Description copied from interface: IImageViewer

Get the maximum image size that can be displayed

Specified by:

getMaxImageSize in interface IImageViewer

Parameters:

imageDisplay - The image display

image - The image

Returns:

The maximum image size (may be the original image passed in)