drawables
Class DrawableBitmap

java.lang.Object
  |
  +--drawables.Drawable
        |
        +--drawables.DrawableBitmap

All Implemented Interfaces:

EntryReadable, java.io.Serializable

public class DrawableBitmap

extends Drawable

Drawable class for bitmaps.

See Also:

Serialized Form

Field Summary

Fields inherited from class drawables.Drawable

AREALAYER, BITMAPLAYER, container, DEFMAXSCALE, DEFMINSCALE, layer, LINELAYER, maxScale, mbr, minScale, nextOfLayer, obj, POINTLAYER, pres, selected, TEXTLAYER

Constructor Summary

protected	DrawableBitmap() Constructor.
	DrawableBitmap(int x, int y, DrawableBitmap master) Constructor.
	DrawableBitmap(int x, int y, int width, int height, java.net.URL url, java.lang.String presName, boolean scalable) Constructor.
	DrawableBitmap(int x, int y, int width, int height, java.net.URL url, java.lang.String presName, boolean scalable, int minScale, int maxScale) Constructor.
	DrawableBitmap(int x, int y, java.net.URL url) Constructor of a non-scalable bitmap.

Method Summary

protected void	drawProtected(java.awt.Graphics g, int scale, int mode, int value) Draws the bitmap.
static void	init(java.awt.image.ImageObserver newObserver) Announces the image observer to the class.
EntryReadable	read(EntryInput r) Read a bitmap from file.
protected void	writeProtected(EntryWriter out, int type) Writes the bitmap; not yet implemented.

Methods inherited from class drawables.Drawable

computeDistance, computeDistanceTo, contains, draw, draw, draw, draw, getContainer, getId, getLayer, getMaxScale, getMBR, getMinScale, getNextOfLayer, getObject, getPresentation, getPresentation, getType, interacts, intersects, intersects, intersects, isContainedBy, isVisible, readCoord, readCoord, readDrawable, readDrawable, setContainer, setLayer, setMaxScale, setMBR, setMinScale, setNextOfLayer, setObject, setPresentation, setSelection, toString, write, writeCoord, writeCoord, writeGML

Methods inherited from class java.lang.Object

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

Constructor Detail

DrawableBitmap

protected DrawableBitmap()

Constructor.

DrawableBitmap

public DrawableBitmap(int x,
                      int y,
                      int width,
                      int height,
                      java.net.URL url,
                      java.lang.String presName,
                      boolean scalable)

Constructor.

Parameters:

x - left x-coordinate

y - upper y-coordinate

width - width

height - height

url - complete URL

presName - name of the presentation

scalable - is the bitmap scalable?

DrawableBitmap

public DrawableBitmap(int x,
                      int y,
                      int width,
                      int height,
                      java.net.URL url,
                      java.lang.String presName,
                      boolean scalable,
                      int minScale,
                      int maxScale)

Constructor.

Parameters:

x - left x-coordinate

y - upper y-coordinate

width - width

height - height

url - complete URL

presName - name of the presentation

scalable - is the bitmap scalable?

minScale - least detailed scale where the drawable is visible

maxScale - most detailed scale where the drawable is visible

DrawableBitmap

public DrawableBitmap(int x,
                      int y,
                      DrawableBitmap master)

Constructor.

Parameters:

x - left x-coordinate

y - upper y-coordinate

master - bitmap which delivers the required properties.

DrawableBitmap

public DrawableBitmap(int x,
                      int y,
                      java.net.URL url)

Constructor of a non-scalable bitmap.

Parameters:

x - left x-coordinate

y - upper y-coordinate

url - complete URL

Method Detail

drawProtected

protected void drawProtected(java.awt.Graphics g,
                             int scale,
                             int mode,
                             int value)

Draws the bitmap.

Specified by:

drawProtected in class Drawable

Parameters:

g - graphical context

scale - actual scale

mode - actual mode (has no influene)

value - presentation value (has no influence)

init

public static void init(java.awt.image.ImageObserver newObserver)

Announces the image observer to the class.

Parameters:

newObserver - the image observer

read

public EntryReadable read(EntryInput r)

Read a bitmap from file. The first entry ist the type.
type == 0: x,y,URL
type == 1: width,height,presName,scale
type == 2: minScale,maxScale

Parameters:

r - entry input

Returns:

the bitmap or null

writeProtected

protected void writeProtected(EntryWriter out,
                              int type)

Writes the bitmap; not yet implemented.

Specified by:

writeProtected in class Drawable

Parameters:

out - entry writer

type - type of the output