gzz.view
Class CellView

java.lang.Object
  |
  +--gzz.view.CellView

Direct Known Subclasses:

BoxCellView, CellMagnifier, CellViewPlugin, ImageCellContentView, LinebrokenCellContentView, MultitypeCellContentView, PageSpanCellView, TextCellContentView

public abstract class CellView

extends java.lang.Object

A view that shows a cell in a box. Whether it draws a box or not is not defined by this interface. A common pattern is that a CellView drawing a box calls a sub-cellview to draw the actual content.

When subclassing, you must override one of the getSize() methods; the others will work. If you don't, you'll get an infinite loop: the default implementations call each other.

Field Summary

static java.lang.String

rcsid

Constructor Summary

CellView()

Method Summary

void	getSize(Cell c, float scale, ViewContext context, float[] out) Get the default size of the cell at a given scale.
void	getSize(Cell c, ViewContext context, float[] out) Get the default size of the cell.
abstract void	place(Cell c, VobScene vs, int box, ViewContext context) Place the contents of one cell into the given coord system.

Methods inherited from class java.lang.Object

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

Field Detail

rcsid

public static final java.lang.String rcsid

See Also:

Constant Field Values

Constructor Detail

CellView

public CellView()

Method Detail

place

public abstract void place(Cell c,
                           VobScene vs,
                           int box,
                           ViewContext context)

Place the contents of one cell into the given coord system. The coordsys given shall be a mapping from the rectangle (0,w)x(0,h) onto the screen.

Parameters:

box - A coordinate system, into whose "unit square" the cell will be placed. Note that some coordinate systems (box, orthoBox) set their "unit square" not to be 0..1 x 0..1.

getSize

public void getSize(Cell c,
                    ViewContext context,
                    float[] out)

Get the default size of the cell.

Parameters:

c - The cell to get size for, or null for a default size.

getSize

public void getSize(Cell c,
                    float scale,
                    ViewContext context,
                    float[] out)

Get the default size of the cell at a given scale. This method exists for the benefit of AWT, where fonts cannot be scaled accurately.

Note that the returned width and height are in Box scale: they are not multiplied by the scale parameter.

Parameters:

c - The cell to get size for, or null for a default size.