org.apache.batik.apps.svgbrowser
Class ElementOverlayManager

java.lang.Object
  org.apache.batik.apps.svgbrowser.ElementOverlayManager

public class ElementOverlayManager
extends Object

Manages element overlay on the canvas.

elementOverlayStrokeColor

protected Color elementOverlayStrokeColor

The color of the outline of the element overlay.

elementOverlayColor

protected Color elementOverlayColor

The color of the element overlay.

xorMode

protected boolean xorMode

The xor mode.

canvas

protected JSVGCanvas canvas

The canvas.

elementOverlay

protected Overlay elementOverlay

The element overlay.

elements

protected ArrayList elements

Elements to paint.

controller

protected ElementOverlayController controller

The controller for the element overlay.

isOverlayEnabled

protected boolean isOverlayEnabled

Whether the ElementOverlay is enabled.

ElementOverlayManager

public ElementOverlayManager(JSVGCanvas canvas)

Constructor.

Parameters:

canvas - The parent canvas

addElement

public void addElement(Element elem)

Adds an element to the element selection.

Parameters:

elem - The element to add

removeElement

public void removeElement(Element elem)

Removes the element from the element selection and adds its bound to the 'dirty' region.

Parameters:

elem - The element to remove

removeElements

public void removeElements()

Removes all elements from the element selection list.

getAllElementsBounds

protected Rectangle getAllElementsBounds()

Get the current selection bounds.

Returns:

the current selection bounds

getElementBounds

protected Rectangle getElementBounds(Element elem)

The bounds of a given element.

Parameters:

elem - The given element

Returns:

Rectangle bounds

getElementBounds

protected Rectangle getElementBounds(GraphicsNode node)

The bounds of a given graphics node.

Parameters:

node - The given graphics node

Returns:

the bounds

outset

protected Rectangle outset(Rectangle r,
                           int amount)

Increases the given rectangle area for a given amount of units in a rectangle increasement manner.

Parameters:

r - The given rectangle

amount - The given amount of units

Returns:

r

repaint

public void repaint()

Repaints the canvas.

getElementOverlayColor

public Color getElementOverlayColor()

Gets the elementOverlayColor.

Returns:

the elementOverlayColor

setElementOverlayColor

public void setElementOverlayColor(Color selectionOverlayColor)

Sets the color to use for the element overlay.

Parameters:

selectionOverlayColor - The new element overlay color.

getElementOverlayStrokeColor

public Color getElementOverlayStrokeColor()

Gets the elementOverlayStrokeColor.

Returns:

the elementOverlayStrokeColor

setElementOverlayStrokeColor

public void setElementOverlayStrokeColor(Color selectionOverlayStrokeColor)

Sets the color to use for stroking the element overlay.

Parameters:

selectionOverlayStrokeColor - The new element overlay stroking color.

isXorMode

public boolean isXorMode()

Gets the xorMode.

Returns:

the xorMode

setXorMode

public void setXorMode(boolean xorMode)

Sets the xor mode.

Parameters:

xorMode - the xorMode to set

getElementOverlay

public Overlay getElementOverlay()

Gets the elementOverlay.

Returns:

the elementOverlay

removeOverlay

public void removeOverlay()

Removes the elementOverlay.

setController

public void setController(ElementOverlayController controller)

Sets the element overlay controller.

Parameters:

controller - The element overlay controller

isOverlayEnabled

public boolean isOverlayEnabled()

If the element overlay is enabled.

Returns:

isOverlayEnabled

setOverlayEnabled

public void setOverlayEnabled(boolean isOverlayEnabled)

Enables / disables the Element overlay.