jadex.extension.envsupport.observer.graphics

Class AbstractViewport

java.lang.Object

jadex.extension.envsupport.observer.graphics.AbstractViewport

All Implemented Interfaces:

IViewport

Direct Known Subclasses:

ViewportJ2D

public abstract class AbstractViewport
extends Object
implements IViewport

Constructor Summary

Constructors

Constructor and Description
AbstractViewport(IPerspective perspective)

Method Summary

Methods

Modifier and Type	Method and Description
void	addViewportListener(IViewportListener listener) Adds a IViewportListener
IVector2	getAreaSize() Gets the maximum displayable size.
Canvas	getCanvas() Returns the canvas that is used for displaying the objects.
IVector2	getCanvasSize() Returns the size of the canvas as a vector.
Rectangle	getClippingBox() Returns the clipping box.
boolean	getInvertX() Returns true if the x-axis is inverted (right-left instead of left-right).
boolean	getInvertY() Returns true if the y-axis is inverted (top-down instead of bottom-up).
IVector2	getObjectShift() Gets the shift of all objects.
IVector2	getPaddedSize() Returns the padded size
IPerspective	getPerspective() Get the perspective.
IVector2	getPixelSize() Returns the size of a pixel.
IVector2	getPosition() Gets the position of the viewport.
IVector2	getSize() Gets the size of the display area.
IVector2	getWorldCoordinates(int pixelX, int pixelY) Converts pixel coordinates into world coordinates
boolean	isShowing() Checks if this IViewport is showing on screen.
void	refreshCanvasSize() Refreshes the size of the canvas.
void	removeViewportListener(IViewportListener listener) Removes a IViewportListener
void	setAreaSize(IVector2 areaSize) Sets the maximum displayable size.
void	setBackground(Color bgColor) Sets the background color.
void	setInvertX(boolean b) If set to true, inverts the x-axis (right-left instead of left-right).
void	setInvertY(boolean b) If set to true, inverts the y-axis (top-down instead of bottom-up).
void	setObjectList(List objectList) Sets the current objects to draw.
void	setObjectShift(IVector2 objectShift) Sets the shift of all objects.
void	setPosition(IVector2 pos) Sets the position of the viewport.
void	setPostLayers(Layer[] layers) Sets the post-layers for the viewport.
void	setPreLayers(Layer[] layers) Sets the pre-layers for the viewport.
void	setPreserveAspectRation(boolean preserveAR) Sets whether the viewport should preserve the aspect ratio of the size by padding.
void	setSize(IVector2 size) Sets the size of the display area.
void	setZoomLimit(double zoomlimit) Sets the maximum zoom.

Methods inherited from class java.lang.Object

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

Methods inherited from interface jadex.extension.envsupport.observer.graphics.IViewport

dispose, drawPrimitive, refresh

Constructor Detail

AbstractViewport

public AbstractViewport(IPerspective perspective)

Method Detail

setBackground

public void setBackground(Color bgColor)

Sets the background color.

Specified by:

setBackground in interface IViewport

Parameters:

bgColor - the background color

setObjectList

public void setObjectList(List objectList)

Sets the current objects to draw.

Specified by:

setObjectList in interface IViewport

Parameters:

objectList - objects that should be drawn

getCanvas

public Canvas getCanvas()

Returns the canvas that is used for displaying the objects.

Specified by:

getCanvas in interface IViewport

setPreLayers

public void setPreLayers(Layer[] layers)

Sets the pre-layers for the viewport.

Specified by:

setPreLayers in interface IViewport

Parameters:

layers - the pre-layers

setPostLayers

public void setPostLayers(Layer[] layers)

Sets the post-layers for the viewport.

Specified by:

setPostLayers in interface IViewport

Parameters:

layers - the post-layers

getSize

public IVector2 getSize()

Gets the size of the display area.

Specified by:

getSize in interface IViewport

Returns:

size of the display area, may be padded to preserve aspect ratio

setSize

public void setSize(IVector2 size)

Sets the size of the display area.

Specified by:

setSize in interface IViewport

Parameters:

size - size of the display area, may be padded to preserve aspect ratio

getAreaSize

public IVector2 getAreaSize()

Gets the maximum displayable size.

Specified by:

getAreaSize in interface IViewport

Returns:

maximum area size.

setAreaSize

public void setAreaSize(IVector2 areaSize)

Sets the maximum displayable size.

Specified by:

setAreaSize in interface IViewport

Parameters:

areaSize - maximum area size.

getPaddedSize

public IVector2 getPaddedSize()

Returns the padded size

Returns:

padded size

getClippingBox

public Rectangle getClippingBox()

Returns the clipping box.

Returns:

clipping box

getPixelSize

public IVector2 getPixelSize()

Returns the size of a pixel.

getCanvasSize

public IVector2 getCanvasSize()

Returns the size of the canvas as a vector.

Returns:

size of the canvas in pixel

refreshCanvasSize

public void refreshCanvasSize()

Refreshes the size of the canvas.

Specified by:

refreshCanvasSize in interface IViewport

getPosition

public IVector2 getPosition()

Gets the position of the viewport.

Specified by:

getPosition in interface IViewport

setPosition

public void setPosition(IVector2 pos)

Sets the position of the viewport.

Specified by:

setPosition in interface IViewport

setPreserveAspectRation

public void setPreserveAspectRation(boolean preserveAR)

Description copied from interface: IViewport

Sets whether the viewport should preserve the aspect ratio of the size by padding.

Specified by:

setPreserveAspectRation in interface IViewport

Parameters:

preserveAR - true to preserve aspect ratio, false otherwise

getInvertX

public boolean getInvertX()

Returns true if the x-axis is inverted (right-left instead of left-right).

Specified by:

getInvertX in interface IViewport

Returns:

true, if the x-axis is inverted

getInvertY

public boolean getInvertY()

Returns true if the y-axis is inverted (top-down instead of bottom-up).

Specified by:

getInvertY in interface IViewport

Returns:

true, if the y-axis is inverted

setInvertX

public void setInvertX(boolean b)

If set to true, inverts the x-axis (right-left instead of left-right).

Specified by:

setInvertX in interface IViewport

Parameters:

b - if true, inverts the x-axis

setInvertY

public void setInvertY(boolean b)

If set to true, inverts the y-axis (top-down instead of bottom-up).

Specified by:

setInvertY in interface IViewport

Parameters:

b - if true, inverts the y-axis

getObjectShift

public IVector2 getObjectShift()

Gets the shift of all objects.

setObjectShift

public void setObjectShift(IVector2 objectShift)

Sets the shift of all objects.

Specified by:

setObjectShift in interface IViewport

setZoomLimit

public void setZoomLimit(double zoomlimit)

Sets the maximum zoom.

Specified by:

setZoomLimit in interface IViewport

Parameters:

zoomlimit - the zoom limit

isShowing

public boolean isShowing()

Checks if this IViewport is showing on screen.

Specified by:

isShowing in interface IViewport

Returns:

true if the IViewport is showing, false otherwise

addViewportListener

public void addViewportListener(IViewportListener listener)

Adds a IViewportListener

Specified by:

addViewportListener in interface IViewport

Parameters:

listener - new listener

removeViewportListener

public void removeViewportListener(IViewportListener listener)

Removes a IViewportListener

Specified by:

removeViewportListener in interface IViewport

Parameters:

listener - the listener

getPerspective

public IPerspective getPerspective()

Get the perspective.

Specified by:

getPerspective in interface IViewport

Returns:

The perspective.

getWorldCoordinates

public IVector2 getWorldCoordinates(int pixelX,
                           int pixelY)

Converts pixel coordinates into world coordinates

Specified by:

getWorldCoordinates in interface IViewport

Parameters:

pixelX - pixel x-coordinate

pixelY - pixel y-coordinate

Returns:

world coordinates