[gimp-help] Fix issue#40: improve Posterize
- From: Julien Hardlin <jhardlin src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gimp-help] Fix issue#40: improve Posterize
- Date: Thu, 31 May 2018 06:27:32 +0000 (UTC)
commit ea24edfe4889715b97ad53309c2572cb942530dc
Author: Julien Hardelin <jhardlin orange fr>
Date: Thu May 31 08:26:51 2018 +0200
Fix issue#40: improve Posterize
images/C/menus/colors/posterize.png | Bin 19582 -> 17481 bytes
images/C/toolbox/posterize-ex.png | Bin 53264 -> 0 bytes
images/C/toolbox/posterize-ex1.png | Bin 0 -> 57541 bytes
images/C/toolbox/posterize-ex2.png | Bin 0 -> 17033 bytes
src/menus/colors/posterize.xml | 52 ++++++++++++++++++++----------------
5 files changed, 29 insertions(+), 23 deletions(-)
---
diff --git a/images/C/menus/colors/posterize.png b/images/C/menus/colors/posterize.png
index 8b34d54f2..497a07d50 100644
Binary files a/images/C/menus/colors/posterize.png and b/images/C/menus/colors/posterize.png differ
diff --git a/images/C/toolbox/posterize-ex1.png b/images/C/toolbox/posterize-ex1.png
new file mode 100644
index 000000000..1acdecd96
Binary files /dev/null and b/images/C/toolbox/posterize-ex1.png differ
diff --git a/images/C/toolbox/posterize-ex2.png b/images/C/toolbox/posterize-ex2.png
new file mode 100644
index 000000000..d059d1ce8
Binary files /dev/null and b/images/C/toolbox/posterize-ex2.png differ
diff --git a/src/menus/colors/posterize.xml b/src/menus/colors/posterize.xml
index ad9bf80fc..a4620ce1a 100755
--- a/src/menus/colors/posterize.xml
+++ b/src/menus/colors/posterize.xml
@@ -4,12 +4,7 @@
<!-- section history:
2017-01-29 Posterize is only in Colors menu now, changed id to plug-in-posterize
2008-01-28 j.h: added example
- 2007-06-06 kost: added 'no'
- 2007-04-15 Added Spanish translation by AntI
- 2006-02-16 en;fr :Posterize Levels modified by j.h
- 2005-12-06 replaced sect3 by sect3 by lexa
- 2005-12-06 replaced informalfigure by figure by lexa
- 050808 de reviewed and restructured by axel.wernicke
+ 2006-02-16 Posterize Levels modified by j.h
-->
<sect2 id="gimp-filter-posterize">
<title>Posterize</title>
@@ -50,12 +45,16 @@
<varlistentry>
<term>Posterize Levels</term>
<listitem>
+ <para>
+ Here, <quote>level</quote> means <quote>number of colors per channel
+ </quote>.
+ </para>
<para>
This slider and the input boxes with arrow-heads allow you
to set the number of levels (2-256) in each RGB channel that
- the tool will use to describe the active layer. The total number
- of colors is the combination of these levels. A level to 3
- will give 2<superscript>3</superscript> = 8 colors.
+ the tool will use to describe the active layer. The maximum total
+ number of colors is the combination of these levels. A level to 3
+ will give 3<superscript>3</superscript> = 27 colors.
</para>
</listitem>
</varlistentry>
@@ -73,19 +72,26 @@
<sect3>
<title>Example</title>
- <figure>
- <title>Example for the <quote>Posterize</quote> tool</title>
- <mediaobject>
- <imageobject>
- <imagedata fileref="images/toolbox/posterize-ex.png" format="PNG"/>
- </imageobject>
- <caption>
- <para>
- Image posterized in 4 levels. The histogram shows the 4 levels
- and 10 colors, counting black and white also.
- </para>
- </caption>
- </mediaobject>
- </figure>
+ <mediaobject>
+ <imageobject>
+ <imagedata fileref="images/toolbox/posterize-ex1.png" format="PNG"/>
+ </imageobject>
+ <caption>
+ <para>
+ Original image. The Colorcube Analysis shows a great number of colors.
+ </para>
+ </caption>
+ </mediaobject>
+ <mediaobject>
+ <imageobject>
+ <imagedata fileref="images/toolbox/posterize-ex2.png" format="PNG"/>
+ </imageobject>
+ <caption>
+ <para>
+ Original image posterized in 3 levels. The Colorcube Analysis shows
+ 11 colors (less than the possible number 27).
+ </para>
+ </caption>
+ </mediaobject>
</sect3>
</sect2>
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