Difference between revisions of "User:Thisoldman"

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=Java (Sun) Fonts=
+
==Java (Sun) Fonts==
  
  
 
Users may find the default Java fonts and their display in Java applications unpleasant. Several methods to improve font display in the '''Sun Java Runtime Environment (JRE)'''[http://java.sun.com/javase/6/docs/technotes/guides/index.html#jre-jdk] are available. The methods may be used separately, but many users will find better results by combining them.
 
Users may find the default Java fonts and their display in Java applications unpleasant. Several methods to improve font display in the '''Sun Java Runtime Environment (JRE)'''[http://java.sun.com/javase/6/docs/technotes/guides/index.html#jre-jdk] are available. The methods may be used separately, but many users will find better results by combining them.
  
== Anti-aliasing ==
+
=== Anti-aliasing ===
  
 
'''Anti-aliasing'''[http://en.wikipedia.org/wiki/Anti-aliasing] of fonts is available with Sun Java 1.6 on Linux. To do this on a per user basis, add the following line to the user's {{Codeline|~/.bashrc}}.
 
'''Anti-aliasing'''[http://en.wikipedia.org/wiki/Anti-aliasing] of fonts is available with Sun Java 1.6 on Linux. To do this on a per user basis, add the following line to the user's {{Codeline|~/.bashrc}}.
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Open a new instance of a Java application to test the changes made.
 
Open a new instance of a Java application to test the changes made.
  
== Font Selection ==
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=== Font Selection ===
  
  
=== Enable TrueType Fonts ===
+
==== Enable TrueType Fonts ====
 
TrueType fonts appear to be the best supported format in Java. Java applications that are coded to use a specific TrueType font must be given the ''path'' to that font. TrueType fonts are located in the directory {{Codeline|/usr/share/fonts/TTF}}. Add the following line to {{Codeline|~/.bashrc}} to enable these fonts.
 
TrueType fonts appear to be the best supported format in Java. Java applications that are coded to use a specific TrueType font must be given the ''path'' to that font. TrueType fonts are located in the directory {{Codeline|/usr/share/fonts/TTF}}. Add the following line to {{Codeline|~/.bashrc}} to enable these fonts.
 
  export JAVA_FONTS=/usr/share/fonts/TTF
 
  export JAVA_FONTS=/usr/share/fonts/TTF
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  $ source ~/.bashrc
 
  $ source ~/.bashrc
  
=== Change the Default Fonts ===
+
==== Change the Default Fonts ====
 
The '''Lucida'''[http://en.wikipedia.org/wiki/Lucida] fonts distributed along with the Sun JRE are the default for Java applications that do not specify a different font's use. The Lucida fonts were designed for low resolution  displays and printers[http://www.tug.org/store/lucida/designnotes.html], many users will wish to use other fonts. This default Java font can be changed on a system-wide basis by the creation or editing of a file named {{Codeline|fontconfig.properties}}.
 
The '''Lucida'''[http://en.wikipedia.org/wiki/Lucida] fonts distributed along with the Sun JRE are the default for Java applications that do not specify a different font's use. The Lucida fonts were designed for low resolution  displays and printers[http://www.tug.org/store/lucida/designnotes.html], many users will wish to use other fonts. This default Java font can be changed on a system-wide basis by the creation or editing of a file named {{Codeline|fontconfig.properties}}.
  
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  serif.plain.latin-1=-misc-dejavu serif-medium-r-normal-*-*-%d-*-*-p-*-iso8859-1
 
  serif.plain.latin-1=-misc-dejavu serif-medium-r-normal-*-*-%d-*-*-p-*-iso8859-1
 
  serif.bold.latin-1=-misc-dejavu serif-bold-r-normal-*-*-%d-*-*-p-*-iso8859-1
 
  serif.bold.latin-1=-misc-dejavu serif-bold-r-normal-*-*-%d-*-*-p-*-iso8859-1
  serif.italic.latin-1=-misc-dejavu serif-medium-i-normal-*-*-%d-*-*-p-*-iso8859-1
+
  serif.italic.latin-1=-misc-dejavu serif-medium-o-normal-*-*-%d-*-*-p-*-iso8859-1
  
 
After the changes have been saved to {{Codeline|fontconfig.properties}}, the editor may be closed and the user should drop root privileges. Open a new instance of a Java application to test the changes.
 
After the changes have been saved to {{Codeline|fontconfig.properties}}, the editor may be closed and the user should drop root privileges. Open a new instance of a Java application to test the changes.

Revision as of 12:23, 12 September 2009

Java (Sun) Fonts

Users may find the default Java fonts and their display in Java applications unpleasant. Several methods to improve font display in the Sun Java Runtime Environment (JRE)[1] are available. The methods may be used separately, but many users will find better results by combining them.

Anti-aliasing

Anti-aliasing[2] of fonts is available with Sun Java 1.6 on Linux. To do this on a per user basis, add the following line to the user's Template:Codeline.

export _JAVA_OPTIONS='-Dawt.useSystemAAFontSettings={setting}'

Replace Template:Codeline with one of these seven values:[3] Template:Sn

The Template:Codeline and Template:Codeline settings work well in many instances.

For the above change to take effect, Template:Codeline must be sourced as the normal user.

$ source ~/.bashrc

Open a new instance of a Java application to test the changes made.

Font Selection

Enable TrueType Fonts

TrueType fonts appear to be the best supported format in Java. Java applications that are coded to use a specific TrueType font must be given the path to that font. TrueType fonts are located in the directory Template:Codeline. Add the following line to Template:Codeline to enable these fonts.

export JAVA_FONTS=/usr/share/fonts/TTF

Source Template:Codeline as the normal user for the change to take effect.

$ source ~/.bashrc

Change the Default Fonts

The Lucida[4] fonts distributed along with the Sun JRE are the default for Java applications that do not specify a different font's use. The Lucida fonts were designed for low resolution displays and printers[5], many users will wish to use other fonts. This default Java font can be changed on a system-wide basis by the creation or editing of a file named Template:Codeline.

As root, change directory to Template:Codeline. Copy Template:Codeline to Template:Codeline. Then, as root, open the new Template:Codeline in an editor.

# cd /opt/java/jre/lib
# cp fontconfig.properties.src fontconfig.properties
# nano fontconfig.properties      ## Editor is the user's choice.
Note: Encodings other than Latin-1, or ISO 8859-1,[6] are shown in other Template:Codeline files in Template:Codeline. Some users will find these files to be better sources to use for editing. In all cases the edited file should be saved as Template:Codeline.

The Java font names in this configuration file are in the form of genericFontName.style.subset, for example,Template:Codeline. These generic fonts are mapped to the installed fonts using X Logical Font Description (XLFD)[7] names. The Template:Codeline, in the example below, is used as a placeholder in the XLFD name for the point size. The Java application will replace Template:Codeline at runtime.

serif.plain.latin-1=-b&h-lucidabright-medium-r-normal--*-%d-*-*-p-*-iso8859-1
Tip: The utility, xfontsel, may be used to display fonts and to discover their XLFD name. Xfontsel is part of the xorg-utils package.

Below is an excerpt of a Template:Codeline file after modifications have been made. The Lucida fonts have been replaced by variations of the DejaVu[8] fonts.

# Version -- a version number is required.
# IMPORTANT -- Do not delete the next line. Ever.
version=1

# Component Font Mappings
# gen_name.style.subset=
#       -fndry-fmly-wght-slant-sWdth-adstyle-pxlsz-ptSz-resx-resy-spc-avgWdth-rgstry-encdng

serif.plain.latin-1=-misc-dejavu serif-medium-r-normal-*-*-%d-*-*-p-*-iso8859-1
serif.bold.latin-1=-misc-dejavu serif-bold-r-normal-*-*-%d-*-*-p-*-iso8859-1
serif.italic.latin-1=-misc-dejavu serif-medium-o-normal-*-*-%d-*-*-p-*-iso8859-1

After the changes have been saved to Template:Codeline, the editor may be closed and the user should drop root privileges. Open a new instance of a Java application to test the changes.