fdda.dialog.java2d
Interface GraphicHolder

All Known Implementing Classes:

Java2DControl

public interface GraphicHolder

Defines the interface of the object holding the graphics of a project.

Author:

Jörg Rüdenauer

Method Summary

GraphicalSystem	getGraphicalSystem() Returns the graphical system
void	redraw(Rectangle clippingRect, Painter painter) Repaints a part of the screen (that should contain the graphics).
double	stringHeight() Returns the height of a (any) string in the current graphics context.
double	stringWidth(String s) Returns the width of a string in the current graphics context.

Method Detail

getGraphicalSystem

public GraphicalSystem getGraphicalSystem()

Returns the graphical system

Returns:

the graphical system

redraw

public void redraw(Rectangle clippingRect,
                   Painter painter)

Repaints a part of the screen (that should contain the graphics). Closely resembles repaint of Component

Parameters:

clippingRect - a rectangle defining the clipping area

painter - the painter instance used for drawing

See Also:

Component.repaint()

stringWidth

public double stringWidth(String s)

Returns the width of a string in the current graphics context.

Parameters:

s - the string

Returns:

the width of the string

stringHeight

public double stringHeight()

Returns the height of a (any) string in the current graphics context.

Returns:

the string height

See Also:

FontMetrics.getHeight()