Package org.apache.fontbox.ttf

Class GlyphRenderer

java.lang.Object

org.apache.fontbox.ttf.GlyphRenderer

class GlyphRenderer
extends Object

This class provides a glyph to GeneralPath conversion for true type fonts. Based on code from Apache Batik, a subproject of Apache XMLGraphics.

See Also:

• http://xmlgraphics.apache.org/batik Contour rendering ported from PDF.js, viewed on 14.2.2015, rev 2e97c0d
• pdf.js/src/core/font_renderer.js

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	GlyphRenderer.Point	This class represents one point of a glyph.

Field Summary

Fields

Modifier and Type	Field	Description
private GlyphDescription	glyphDescription
private static final org.apache.commons.logging.Log	LOG

Constructor Summary

Constructors

Constructor	Description
GlyphRenderer(GlyphDescription glyphDescription)

Method Summary

Modifier and Type	Method	Description
private GeneralPath	calculatePath(GlyphRenderer.Point[] points)	Use the given points to calculate a GeneralPath.
private GlyphRenderer.Point[]	describe(GlyphDescription gd)	Set the points of a glyph from the GlyphDescription.
GeneralPath	getPath()	Returns the path of the glyph.
private void	lineTo(GeneralPath path, GlyphRenderer.Point point)
private int	midValue(int a, int b)
private GlyphRenderer.Point	midValue(GlyphRenderer.Point point1, GlyphRenderer.Point point2)
private void	moveTo(GeneralPath path, GlyphRenderer.Point point)
private void	quadTo(GeneralPath path, GlyphRenderer.Point ctrlPoint, GlyphRenderer.Point point)

Methods inherited from class java.lang.Object

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

Field Details

LOG

private static final org.apache.commons.logging.Log LOG

glyphDescription

private GlyphDescription glyphDescription

Constructor Details

GlyphRenderer

GlyphRenderer(GlyphDescription glyphDescription)

Method Details

getPath

public GeneralPath getPath()

Returns the path of the glyph.

Returns:

the path

describe

private GlyphRenderer.Point[] describe(GlyphDescription gd)

Set the points of a glyph from the GlyphDescription.

calculatePath

private GeneralPath calculatePath(GlyphRenderer.Point[] points)

Use the given points to calculate a GeneralPath.

Parameters:

points - the points to be used to generate the GeneralPath

Returns:

the calculated GeneralPath

moveTo

private void moveTo(GeneralPath path,
 GlyphRenderer.Point point)

lineTo

private void lineTo(GeneralPath path,
 GlyphRenderer.Point point)

quadTo

private void quadTo(GeneralPath path,
 GlyphRenderer.Point ctrlPoint,
 GlyphRenderer.Point point)

midValue

private int midValue(int a,
 int b)

midValue

private GlyphRenderer.Point midValue(GlyphRenderer.Point point1,
 GlyphRenderer.Point point2)