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com.port80.eclipse.util
Class FontFactory  

java.lang.Object
  com.port80.eclipse.util.FontFactory

All Implemented Interfaces:

org.eclipse.swt.events.DisposeListener, java.util.EventListener, com.port80.util.attr.IAttrFactory, org.eclipse.swt.internal.SWTEventListener

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public class FontFactory

extends java.lang.Object

implements com.port80.util.attr.IAttrFactory, org.eclipse.swt.events.DisposeListener

SWT Font factory and cache.

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Field Summary
private static boolean	DEBUG
private static int	DEFAULT_SIZE
private static org.eclipse.swt.widgets.Display	fDisplay
private  java.util.Map	fFontTable
private static FontFactory	fInstance
private static java.lang.String	NAME
private static boolean	VERBOSE

 

Constructor Summary

FontFactory()

 

Method Summary
static java.lang.String	convertFontSpecFormat(java.lang.String spec)           Convert FontData serialized format font spec.
org.eclipse.swt.graphics.Font	create(java.lang.String spec)           Create or get the specified font from cache if already created.
org.eclipse.swt.graphics.Font	create(java.lang.String fontname, int size, int style)
java.lang.Object	createObject(java.lang.String attrvalue)           Convert String representation of an attribute value to the appropriate object for storing in AttrTable.
org.eclipse.swt.graphics.Font	deriveFont(org.eclipse.swt.graphics.Font font, int size)           Derive a new Font from the given Font and new size.
org.eclipse.swt.graphics.Font	deriveFont(org.eclipse.swt.graphics.Font font, int size, int style)           Derive a new Font from the given Font and new size and style.
void	dispose()
void	dispose(java.lang.String spec)
static FontFactory	getDefault()
private static java.lang.String	getFontSpec(org.eclipse.swt.graphics.Font font)
private static java.lang.String	getFontSpec(java.lang.String fontname, int size, int style)           Create a clean formatted font spec.
java.lang.Class	getObjectClass()
boolean	isValid(java.lang.Object a)           Check that given object is valid value for this factory.
static void	main(java.lang.String[] args)
static org.eclipse.swt.graphics.FontData	parseFontSpec(java.lang.String spec)           Parse a font spec.
java.lang.Object	promptUser(java.lang.String prompt)           Prompt user and present a user interface to obtain an attribute value from user.
java.lang.String	toString()           The String representation of attribute type itself.
java.lang.String	toString(java.lang.Object attr)           The String representation of an attribute value.
void	widgetDisposed(org.eclipse.swt.events.DisposeEvent e)           Dispose cached font resource.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

NAME

private static final java.lang.String NAME

See Also:

Constant Field Values

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DEBUG

private static final boolean DEBUG

See Also:

Constant Field Values

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VERBOSE

private static boolean VERBOSE

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DEFAULT_SIZE

private static final int DEFAULT_SIZE

See Also:

Constant Field Values

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fInstance

private static FontFactory fInstance

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fDisplay

private static org.eclipse.swt.widgets.Display fDisplay

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fFontTable

private java.util.Map fFontTable

Constructor Detail

FontFactory

public FontFactory()

Method Detail

getDefault

public static FontFactory getDefault()

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create

public org.eclipse.swt.graphics.Font create(java.lang.String spec)

Create or get the specified font from cache if already created. String representation of a font spec., accepted format: eg. "comic sans-bold italic-12"

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create

public org.eclipse.swt.graphics.Font create(java.lang.String fontname,
                                            int size,
                                            int style)

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deriveFont

public org.eclipse.swt.graphics.Font deriveFont(org.eclipse.swt.graphics.Font font,
                                                int size)

Derive a new Font from the given Font and new size.

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deriveFont

public org.eclipse.swt.graphics.Font deriveFont(org.eclipse.swt.graphics.Font font,
                                                int size,
                                                int style)

Derive a new Font from the given Font and new size and style.

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dispose

public void dispose(java.lang.String spec)

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widgetDisposed

public void widgetDisposed(org.eclipse.swt.events.DisposeEvent e)

Dispose cached font resource. Typically this should be listening to the main window DisposeEvent.

Specified by:

widgetDisposed in interface org.eclipse.swt.events.DisposeListener

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dispose

public void dispose()

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createObject

public java.lang.Object createObject(java.lang.String attrvalue)

Convert String representation of an attribute value to the appropriate object for storing in AttrTable. String representation of a font spec., accepted format: eg. "comic sans-bold italic-12" Note: Case is insignificant in the font spec. but spaces in fontname is significant. Spaces and order in font style is not significant. Size must be an integer.

Specified by:

createObject in interface com.port80.util.attr.IAttrFactory

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isValid

public boolean isValid(java.lang.Object a)

Description copied from interface: com.port80.util.attr.IAttrFactory

Check that given object is valid value for this factory.

Specified by:

isValid in interface com.port80.util.attr.IAttrFactory

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getObjectClass

public java.lang.Class getObjectClass()

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toString

public java.lang.String toString(java.lang.Object attr)

The String representation of an attribute value.

Specified by:

toString in interface com.port80.util.attr.IAttrFactory

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toString

public java.lang.String toString()

The String representation of attribute type itself.

Specified by:

toString in interface com.port80.util.attr.IAttrFactory

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promptUser

public java.lang.Object promptUser(java.lang.String prompt)

Prompt user and present a user interface to obtain an attribute value from user.

Specified by:

promptUser in interface com.port80.util.attr.IAttrFactory

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convertFontSpecFormat

public static java.lang.String convertFontSpecFormat(java.lang.String spec)

Convert FontData serialized format font spec. to foundry-family-style-size format.

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parseFontSpec

public static org.eclipse.swt.graphics.FontData parseFontSpec(java.lang.String spec)

Parse a font spec. string.

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getFontSpec

private static java.lang.String getFontSpec(java.lang.String fontname,
                                            int size,
                                            int style)

Create a clean formatted font spec.

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getFontSpec

private static java.lang.String getFontSpec(org.eclipse.swt.graphics.Font font)

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main

public static void main(java.lang.String[] args)

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Home >> All >> com >> port80 >> eclipse >> [ util overview ]	PREV CLASS  NEXT CLASS
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