org.gvsig.fmap.mapcontext.layers.operations

Class ComposedLayer

java.lang.Object

org.gvsig.fmap.mapcontext.layers.operations.ComposedLayer

Direct Known Subclasses:

ComposedLayerWMS

public abstract class ComposedLayer
extends Object

Abstract class for the classes that make able a single draw for a layers group

See Also:

FLayer.newComposedLayer()

Constructor Summary

Constructors

Constructor and Description
ComposedLayer()

Method Summary

Modifier and Type	Method and Description
void	add(FLayer layer) Adds the layer to the draw group.
abstract boolean	canAdd(FLayer layer) Checks if the layer can be added to this group
protected abstract void	doAdd(FLayer layer) Adds the layer to the draw group.
protected abstract void	doDraw(BufferedImage image, Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale) Draws all the group in one pass.
protected abstract void	doPrint(Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale, PrintAttributes properties) Prints all the group in one pass.
void	draw(BufferedImage image, Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale) Draws all the group in one pass You have to implements the doDraw method.
void	print(Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale, PrintAttributes properties) Prints all the group in one pass You have to implements the doDraw method.
void	setMapContext(MapContext mapContext)

Methods inherited from class java.lang.Object

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

Constructor Detail

ComposedLayer

public ComposedLayer()

Method Detail

setMapContext

public void setMapContext(MapContext mapContext)

canAdd

public abstract boolean canAdd(FLayer layer)

Checks if the layer can be added to this group

Parameters:

layer -

Returns:

layer can be added or not

add

public final void add(FLayer layer)
               throws Exception

Adds the layer to the draw group. You have to implements the doAdd(FLayer) method.

Parameters:

layer -

Throws:

Exception

See Also:

canAdd(FLayer)

draw

public final void draw(BufferedImage image,
                       Graphics2D g,
                       ViewPort viewPort,
                       Cancellable cancel,
                       double scale)
                throws ReadException

Draws all the group in one pass You have to implements the doDraw method.

Throws:

ReadException

See Also:

FLayer.draw(BufferedImage, Graphics2D, ViewPort, Cancellable, double)

print

public final void print(Graphics2D g,
                        ViewPort viewPort,
                        Cancellable cancel,
                        double scale,
                        PrintAttributes properties)
                 throws ReadException

Prints all the group in one pass You have to implements the doDraw method.

Throws:

ReadException

See Also:

FLayer.draw(BufferedImage, Graphics2D, ViewPort, Cancellable, double)

doAdd

protected abstract void doAdd(FLayer layer)
                       throws Exception

Adds the layer to the draw group. Specific implementation.

Parameters:

layer -

Throws:

Exception

See Also:

add(FLayer), canAdd(FLayer)

doDraw

protected abstract void doDraw(BufferedImage image,
                               Graphics2D g,
                               ViewPort viewPort,
                               Cancellable cancel,
                               double scale)
                        throws ReadException

Draws all the group in one pass. Specific implementation.

Throws:

ReadException

See Also:

draw(BufferedImage, Graphics2D, ViewPort, Cancellable, double), FLayer.draw(BufferedImage, Graphics2D, ViewPort, Cancellable, double)

doPrint

protected abstract void doPrint(Graphics2D g,
                                ViewPort viewPort,
                                Cancellable cancel,
                                double scale,
                                PrintAttributes properties)
                         throws ReadException

Prints all the group in one pass. Specific implementation.

Throws:

ReadException

See Also:

org.gvsig.fmap.mapcontext.layers.operations.ComposedLayer#print(Graphics2D, ViewPort, Cancellable, double), org.gvsig.fmap.mapcontext.layers.FLayer#print(Graphics2D, ViewPort, Cancellable, double)