Features/Liberation Fonts 2

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== Summary ==
 
== Summary ==
 
<!-- A sentence or two summarizing what this feature is and what it will do.  This information is used for the overall feature summary page for each release. -->
 
<!-- A sentence or two summarizing what this feature is and what it will do.  This information is used for the overall feature summary page for each release. -->
Enhanced version of Liberation fonts having more script coverage, better license and improved hinting.
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The Liberation(tm) Fonts is a font family which aims at metric compatibility with Arial, Times New Roman, and Courier New. Enhanced version 2.0 of Liberation fonts provides more script coverage, better license and improved hinting.
  
 
== Owner ==
 
== Owner ==
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== Current status ==
 
== Current status ==
* Targeted release: [[Releases/18/Schedule | Fedora 18 ]]  
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* Targeted release: [[Releases/19/Schedule | Fedora 19 ]]  
* Last updated: 2012-07-18
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* Last updated: 2012-12-07
* Percentage of completion: 50%
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* Percentage of completion: 100%
 
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** Package now available in rawhide (2012-07-30)
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** '''Deferring due to Regression [[rhbug:856239|bug 856239]] "Fuzzy compared to Liberation 1"  (2012-12-07) '''
 
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'''Issues:'''
 
'''Issues:'''
 
* Existing License of liberation fonts is complex.
 
* Existing License of liberation fonts is complex.
* Over the last couple of years we have requested RFE's to increase coverage of Liberation fonts to support more scripts.  
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* Over the last couple of years we have RFE's to increase coverage of Liberation fonts to support more scripts.  
 
** "RFE: Add Greek Polytonic support to Liberation fonts" #473842
 
** "RFE: Add Greek Polytonic support to Liberation fonts" #473842
 
** "Serbian glyphs for Wikipedia"  #657849
 
** "Serbian glyphs for Wikipedia"  #657849
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** 2274 (mono) -      666
 
** 2274 (mono) -      666
 
** 2303 (serif) -      662
 
** 2303 (serif) -      662
With this we can resolved RFE for Greek Polytonic support.
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* It provides support for Greek Polytonic characters. Bug open for this as a RFE.
 
* Improved hinting.
 
* Improved hinting.
  
 
== Scope ==
 
== Scope ==
 
<!-- What work do the developers have to accomplish to complete the feature in time for release?  Is it a large change affecting many parts of the distribution or is it a very isolated change? What are those changes?-->
 
<!-- What work do the developers have to accomplish to complete the feature in time for release?  Is it a large change affecting many parts of the distribution or is it a very isolated change? What are those changes?-->
* 1. Upstream release based on croscore fonts.  
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* Upstream release based on croscore fonts.  
* 2. Package liberation-narrow-sans as a different package in Fedora. Since licensing issues still not fixed for Liberation Sans Narrow
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* Package liberation-narrow-sans as a different package in Fedora. Since licensing issues still not fixed for Liberation Sans Narrow
* 3. Build latest liberation fonts 2.00.0 for Rawhide
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* Build latest liberation fonts 2.00.0 for Rawhide
* 4. Testing and bugfixing  
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* Testing and bugfixing
  
 
== How To Test ==
 
== How To Test ==
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3. What are the expected results of those actions?
 
3. What are the expected results of those actions?
 
-->
 
-->
1. Install liberation fonts 2.00.0 version
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* Install liberation fonts 2.00.0 version
2. See the differences.  
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* Observe differences from earlier version.
3. Check rendering of your test in Libre Office.
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* Check rendering of your test in Libre Office.
  
 
== User Experience ==
 
== User Experience ==
 
<!-- If this feature is noticeable by its target audience, how will their experiences change as a result?  Describe what they will see or notice. -->
 
<!-- If this feature is noticeable by its target audience, how will their experiences change as a result?  Describe what they will see or notice. -->
1. Improved character coverage.  
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* Improved character coverage.  
2. Better hinting effect.
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* Better hinting effect.
  
 
== Dependencies ==
 
== Dependencies ==
 
<!-- What other packages (RPMs) depend on this package?  Are there changes outside the developers' control on which completion of this feature depends?  In other words, completion of another feature owned by someone else and might cause you to not be able to finish on time or that you would need to coordinate?  Other upstream projects like the kernel (if this is not a kernel feature)? -->
 
<!-- What other packages (RPMs) depend on this package?  Are there changes outside the developers' control on which completion of this feature depends?  In other words, completion of another feature owned by someone else and might cause you to not be able to finish on time or that you would need to coordinate?  Other upstream projects like the kernel (if this is not a kernel feature)? -->
1. Feature owner is leading upstream Liberation fonts project.
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* Feature owner is leading upstream Liberation fonts project.
 
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* Package review of liberation-narrow-fonts #840878
  
 
== Contingency Plan ==
 
== Contingency Plan ==
 
<!-- If you cannot complete your feature by the final development freeze, what is the backup plan?  This might be as simple as "None necessary, revert to previous release behaviour."  Or it might not.  If you feature is not completed in time we want to assure others that other parts of Fedora will not be in jeopardy.  -->
 
<!-- If you cannot complete your feature by the final development freeze, what is the backup plan?  This might be as simple as "None necessary, revert to previous release behaviour."  Or it might not.  If you feature is not completed in time we want to assure others that other parts of Fedora will not be in jeopardy.  -->
* 1. Need to see first testing reports from users after packaging latest version in Fedora rawhide/18.  
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* Need to see first testing reports from users after packaging latest version in Fedora rawhide/18.  
* 2. If users reporting major problems for against improved version. We can roll back to older version of Liberation fonts. 1.07.2
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* If users reporting major problems for against improved version. We can roll back to older version of Liberation fonts. 1.07.2
  
 
== Documentation ==
 
== Documentation ==
 
<!-- Is there upstream documentation on this feature, or notes you have written yourself?  Link to that material here so other interested developers can get involved. -->
 
<!-- Is there upstream documentation on this feature, or notes you have written yourself?  Link to that material here so other interested developers can get involved. -->
* No
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* [https://fedorahosted.org/liberation-fonts/ Liberation font upstream]
  
 
== Release Notes ==
 
== Release Notes ==
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== Comments and Discussion ==
 
== Comments and Discussion ==
* See [[Talk:Features/Your_Feature_Name]]  <!-- This adds a link to the "discussion" tab associated with your page.  This provides the ability to have ongoing comments or conversation without bogging down the main feature page -->
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* See [[Talk:Features/Liberation_Fonts_2]]  <!-- This adds a link to the "discussion" tab associated with your page.  This provides the ability to have ongoing comments or conversation without bogging down the main feature page -->
  
  

Latest revision as of 14:28, 18 December 2012


Contents

[edit] Liberation_Fonts_2

[edit] Summary

The Liberation(tm) Fonts is a font family which aims at metric compatibility with Arial, Times New Roman, and Courier New. Enhanced version 2.0 of Liberation fonts provides more script coverage, better license and improved hinting.

[edit] Owner

  • Email: psatpute@redhat.com

[edit] Current status

  • Targeted release: Fedora 19
  • Last updated: 2012-12-07
  • Percentage of completion: 100%
    • Package now available in rawhide (2012-07-30)
    • Deferring due to Regression bug 856239 "Fuzzy compared to Liberation 1" (2012-12-07)

[edit] Detailed Description

Liberation fonts is one of the important font in Fedora distribution.

  • Provides metric compatibility with Arial, Times New Roman, and Courier New fonts of Microsoft Windows platform.
  • Default fonts in Libre Office.

Issues:

  • Existing License of liberation fonts is complex.
  • Over the last couple of years we have RFE's to increase coverage of Liberation fonts to support more scripts.
    • "RFE: Add Greek Polytonic support to Liberation fonts" #473842
    • "Serbian glyphs for Wikipedia" #657849
  • We are noticing some tricky Hinting issues. #591554, #591556, #606217 #768067, #768067

Solution:

  • Upstream latest release 2.00.0 based on google croscore fonts resolves all these issues.

[edit] Benefit to Fedora

  • Liberation fonts-2.00.0 is as per Fedora project recommended OFL license.
  • Provide more character covarage.
    • Latest Version - Older Version
    • 2302 (sans) - 667
    • 2274 (mono) - 666
    • 2303 (serif) - 662
  • It provides support for Greek Polytonic characters. Bug open for this as a RFE.
  • Improved hinting.

[edit] Scope

  • Upstream release based on croscore fonts.
  • Package liberation-narrow-sans as a different package in Fedora. Since licensing issues still not fixed for Liberation Sans Narrow
  • Build latest liberation fonts 2.00.0 for Rawhide
  • Testing and bugfixing

[edit] How To Test

  • Install liberation fonts 2.00.0 version
  • Observe differences from earlier version.
  • Check rendering of your test in Libre Office.

[edit] User Experience

  • Improved character coverage.
  • Better hinting effect.

[edit] Dependencies

  • Feature owner is leading upstream Liberation fonts project.
  • Package review of liberation-narrow-fonts #840878

[edit] Contingency Plan

  • Need to see first testing reports from users after packaging latest version in Fedora rawhide/18.
  • If users reporting major problems for against improved version. We can roll back to older version of Liberation fonts. 1.07.2

[edit] Documentation

[edit] Release Notes

  • Improved version of Liberation fonts providing more coverage and better hinting.

[edit] Comments and Discussion