Package ca.cgjennings.layout

Class PageShape.GeometricShape

java.lang.Object

ca.cgjennings.layout.PageShape

ca.cgjennings.layout.PageShape.GeometricShape

Enclosing class:

PageShape

public static class PageShape.GeometricShape
extends PageShape

A PageShape that takes its form from a drawing shape (java.awt.Shape). The result is similar to scan converting the source shape and adjusting the text margins to the first "on pixel" in each scan row (from the left or right edge depending on the margin). Notes:

1. Creating a GeometricShape is fairly expensive; they should be reused where possible.
2. A page shape only modifies the left and right margins of a line; unlike a drawing shape, a line of text cannot contain any interior gaps.

Nested Class Summary

Nested classes/interfaces inherited from class ca.cgjennings.layout.PageShape

PageShape.CompoundShape, PageShape.CupShape, PageShape.GeometricShape, PageShape.InsetShape, PageShape.MergedShape

Field Summary

Fields inherited from class ca.cgjennings.layout.PageShape

RECTANGLE_SHAPE

Constructor Summary

Constructors

Constructor	Description
GeometricShape(java.awt.Shape s, java.awt.geom.Rectangle2D r)
GeometricShape(java.awt.Shape s, java.awt.geom.Rectangle2D r, int numSlices)

Method Summary

Modifier and Type	Method	Description
void	debugDraw(java.awt.Graphics2D g, java.awt.geom.Rectangle2D rect)	This function is called when the markup renderer is painting its text box for debugging purposes.
double	getLeftInset(double y1, double y2)	Return the narrowest (maximum) left edge inset between y1 and y2.
double	getRightInset(double y1, double y2)	Return the narrowest (maximum) right edge inset between y1 and y2.

Methods inherited from class java.lang.Object

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

Constructor Detail

GeometricShape

public GeometricShape(java.awt.Shape s,
                      java.awt.geom.Rectangle2D r)

GeometricShape

public GeometricShape(java.awt.Shape s,
                      java.awt.geom.Rectangle2D r,
                      int numSlices)

Method Detail

debugDraw

public void debugDraw(java.awt.Graphics2D g,
                      java.awt.geom.Rectangle2D rect)

Description copied from class: PageShape

This function is called when the markup renderer is painting its text box for debugging purposes. It should draw lines or a shape to indicate how the margins are modified by this shape. The default implementation samples the left and right insets at regular intervals to construct an approximate shape. Subclasses are encouraged to override this to provide more efficient and/or more accurate implementations.

Overrides:

debugDraw in class PageShape

Parameters:

g - the graphics context to draw into

rect - the rectangle within which text is being laid out

getLeftInset

public double getLeftInset(double y1,
                           double y2)

Description copied from class: PageShape

Return the narrowest (maximum) left edge inset between y1 and y2. y1 must be <= y2.

Overrides:

getLeftInset in class PageShape

getRightInset

public double getRightInset(double y1,
                            double y2)

Description copied from class: PageShape

Return the narrowest (maximum) right edge inset between y1 and y2. y1 must be <= y2.

Overrides:

getRightInset in class PageShape