info.magnolia.cms.taglibs.util
Class Text2PngFactory

java.lang.Object
  info.magnolia.cms.taglibs.util.Text2PngFactory

public class Text2PngFactory
extends Object

Class to generate PNG images from TrueType font strings. Originally by Philip McCarthy - http://chimpen.com http://chimpen.com/things/archives/001139.php

Author:

Philip McCarthy, Patrick Janssen

Constructor Summary

Text2PngFactory()
Construct factory without setting font.

Text2PngFactory(String fontname, int fontsize)
Construct factory with given font face and size.

Text2PngFactory(String fontname, int fontsize, String text)
Construct factory with given font face and size.

Method Summary

RenderedImage	createImage() Renders the current text in the current font fontname, fontsize and color.
void	createPngFile(File location) Renders the current text to a .png file.
void	createPngFile(String location) Renders the current text to a .png file.
void	setBackgroundRGB(int r, int g, int b) Set 8-bit RGB values for background colour.
void	setFontFace(String fontname) Set the TrueType font to render with.
void	setFontSize(int fontsize) Set the point size of the font.
void	setText(String text) Set the text to be rendered by the Txt2PngFactory.
void	setTextRGB(int r, int g, int b) Set 8-bit RGB values for text colour.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Text2PngFactory

public Text2PngFactory()

Construct factory without setting font.

Text2PngFactory

public Text2PngFactory(String fontname,
                       int fontsize)
                throws IOException,
                       FontFormatException

Construct factory with given font face and size.

Parameters:

fontname - Name of TrueType font

fontsize - Point size of font

Throws:

IOException - if font can't be loaded

FontFormatException - if font is not a valid TTF

Text2PngFactory

public Text2PngFactory(String fontname,
                       int fontsize,
                       String text)
                throws IOException,
                       FontFormatException

Construct factory with given font face and size.

Parameters:

fontname - Name of TrueType font

fontsize - Point size of font

text - The text to render

Throws:

IOException - if font can't be loaded

FontFormatException - if font is not a valid TTF

Method Detail

createPngFile

public void createPngFile(String location)
                   throws IOException

Renders the current text to a .png file.

Parameters:

location - Location to write the file out to

Throws:

IOException - if file cannot be created

createPngFile

public void createPngFile(File location)
                   throws IOException

Renders the current text to a .png file.

Parameters:

location - Location to write the file out to

Throws:

IOException - if file cannot be created

createImage

public RenderedImage createImage()
                          throws IOException

Renders the current text in the current font fontname, fontsize and color.

Returns:

Image containing rendered text

Throws:

IOException - if no font name has been specified yet

setText

public void setText(String text)

Set the text to be rendered by the Txt2PngFactory.

Parameters:

text - The text to render

setTextRGB

public void setTextRGB(int r,
                       int g,
                       int b)

Set 8-bit RGB values for text colour.

Parameters:

r - Red component (0-255)

g - Green component (0-255)

b - Blue component (0-255)

setBackgroundRGB

public void setBackgroundRGB(int r,
                             int g,
                             int b)

Set 8-bit RGB values for background colour.

Parameters:

r - Red component (0-255)

g - Green component (0-255)

b - Blue component (0-255)

setFontFace

public void setFontFace(String fontname)
                 throws IOException,
                        FontFormatException

Set the TrueType font to render with.

Parameters:

fontname - The name of the font to use

Throws:

IOException

FontFormatException

setFontSize

public void setFontSize(int fontsize)

Set the point size of the font.

Parameters:

fontsize - The point size of the font

toString

public String toString()

Overrides:

toString in class Object