[gimp-help] Fix issue #187
- From: Julien Hardlin <jhardlin src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gimp-help] Fix issue #187
- Date: Thu, 31 Oct 2019 15:14:55 +0000 (UTC)
commit f3f961116999abc1952321ea6f6e95b417e59607
Author: Julien Hardelin <jhardlin orange fr>
Date: Thu Oct 31 16:14:27 2019 +0100
Fix issue #187
src/tutorial/quickies.xml | 280 ++++++++++++++++++++++------------------------
1 file changed, 136 insertions(+), 144 deletions(-)
---
diff --git a/src/tutorial/quickies.xml b/src/tutorial/quickies.xml
index 5f5250159..4aec7e153 100644
--- a/src/tutorial/quickies.xml
+++ b/src/tutorial/quickies.xml
@@ -3,6 +3,7 @@
"http://www.docbook.org/xml/4.3/docbookx.dtd"
[]>
<!-- section history:
+ 2019-10-31 Julien: fix issue #187 : rearrange display
2015-12-19 Julien: adapted save -> export
2011-04-02 Michael: rewrote tutorial
2007-05-11 lexa: initial version
@@ -739,151 +740,142 @@
</mediaobject>
</figure>
- <para>Sometimes you need to separate the subject of an image from its
- background. You may want to have the subject on a flat color, or keep the
- background transparent so you can use it on an existing background, or any
- other thing you have in mind. To do this, you must first use
- <acronym>GIMP</acronym>'s selection tools to draw a selection around your
- subject. This is not an easy task, and selecting the correct tool is
- crucial. You have several tools to accomplish this.</para>
- <para>The <quote>Free Select Tool</quote> allows you to draw a border
- using either freehand or straight lines. Use this when the subject has a
- relatively simple shape. Read more about this tool here:
- <xref linkend="gimp-tool-free-select" /></para>
-
- <figure float="0">
- <title>Free Select Tool</title>
- <mediaobject>
- <imageobject>
+ <para>
+ Sometimes you need to separate the subject of an image from its
+ background. You may want to have the subject on a flat color, or keep the
+ background transparent so you can use it on an existing background, or
+ any other thing you have in mind. To do this, you must first use
+ <acronym>GIMP</acronym>'s selection tools to draw a selection around your
+ subject. This is not an easy task, and selecting the correct tool is
+ crucial. You have several tools to accomplish this:
+ <itemizedlist>
+ <listitem>
+ <para>
+ <emphasis role = "bold">The <quote>Free Select
+ Tool</quote></emphasis> allows you to draw a border using either
+ freehand or straight lines. Use this when the subject has a
+ relatively simple shape. Read more about this tool here:
+ <xref linkend="gimp-tool-free-select" />
+ </para>
+ <figure float="0">
+ <title>Free Select Tool</title>
+ <mediaobject>
+ <imageobject>
<imagedata format="JPG" fileref="images/toolbox/toolbox-lasso.png" />
- </imageobject>
- </mediaobject>
- <mediaobject>
- <imageobject>
- <imagedata format="JPG"
- fileref="images/tutorials/quickie-background-free-select.jpg" />
- </imageobject>
- </mediaobject>
- </figure>
-
- <para>The <quote>Intelligent Scissors Select Tool</quote> lets you select
- a freehand border and uses edge-recognition algorithms to better fit the
- border around the object. Use this when the subject is complex but
- distinct enough against its current background. Read more about this tool
- here: <xref linkend="gimp-tool-iscissors" /></para>
-
- <figure float="0">
- <title>Intelligent Scissors Select Tool</title>
- <mediaobject>
- <imageobject>
- <imagedata format="JPG"
- fileref="images/toolbox/toolbox-scissor.png" />
- </imageobject>
- </mediaobject>
- <mediaobject>
- <imageobject>
- <imagedata format="JPG"
- fileref="images/tutorials/quickie-background-scissors.jpg" />
- </imageobject>
- </mediaobject>
- </figure>
-
- <para>The <quote>Foreground Select Tool</quote> lets you mark areas as
- <quote>Foreground</quote> or <quote>Background</quote> and refines the
- selection automatically. Read more about this tool here:
- <xref linkend="gimp-tool-foreground-select" /></para>
-
- <figure float="0">
- <title>Foreground Select Tool</title>
- <mediaobject>
- <imageobject>
- <imagedata format="JPG"
- fileref="images/toolbox/FG-select-toolbox.png" />
- </imageobject>
- </mediaobject>
- <mediaobject>
- <imageobject>
- <imagedata format="JPG"
- fileref="images/tutorials/quickie-background-foreground-select.jpg" />
- </imageobject>
- </mediaobject>
- </figure>
-
- <para>Once you have selected your subject successfully, use
- <menuchoice moreinfo="none">
- <guimenu moreinfo="none">Select</guimenu>
- <guimenuitem moreinfo="none">Invert</guimenuitem>
- </menuchoice>. Now, instead of the subject, the background is selected.
- What you do now depends on what you intended to do with the
- background.</para>
-
- <itemizedlist>
- <listitem>
- <para>To fill the background with a single color:</para>
- <para>
- Click the foreground color swatch (the top left of the two overlapping
- colored rectangles) in the toolbox and select the desired color. Next,
- use <xref linkend="gimp-tool-bucket-fill"/> to replace the background
- with your chosen color.
- </para>
-
- <figure float="0">
- <title>Result of Adding a Plain Color Background</title>
- <mediaobject>
- <imageobject>
- <imagedata format="PNG"
- fileref="images/tutorials/quickie-background-color-result.png" />
- </imageobject>
- </mediaobject>
- </figure>
- </listitem>
-
- <listitem>
- <para>To make a transparent background:</para>
- <para>Use
- <menuchoice moreinfo="none">
- <guimenu moreinfo="none">Layer</guimenu>
- <guisubmenu moreinfo="none">Transparence</guisubmenu>
- <guimenuitem moreinfo="none">Add Alpha Channel</guimenuitem>
- </menuchoice> to add an alpha channel. Next, use
- <guimenu moreinfo="none">Edit</guimenu>
- <guimenuitem moreinfo="none">Clear</guimenuitem> or hit the
- <keycap moreinfo="none">Del</keycap> key on the keyboard to remove the
- background. Please note that only a small subset of file formats
- support transparent areas. Your best bet is to save your image as
- PNG.</para>
-
- <figure float="0">
- <title>Result of Adding a Transparent Background</title>
- <mediaobject>
- <imageobject>
- <imagedata format="PNG"
- fileref="images/tutorials/quickie-background-alpha-result.png" />
- </imageobject>
- </mediaobject>
- </figure>
- </listitem>
+ </imageobject>
+ </mediaobject>
+ <mediaobject>
+ <imageobject>
+ <imagedata format="JPG"
+ fileref="images/tutorials/quickie-background-free-select.jpg" />
+ </imageobject>
+ </mediaobject>
+ </figure>
+ </listitem>
+ <listitem>
+ <para>
+ <emphasis role="bold">The <quote>Intelligent Scissors Select
+ tool</quote></emphasis> lets you select a freehand border and uses
+ edge-recognition algorithms to better fit the border around the
+ object. Use this when the subject is complex but distinct enough
+ against its current background. Read more about this tool here:
+ <xref linkend="gimp-tool-iscissors" />
+ </para>
+ <figure float="0">
+ <title>Intelligent Scissors Select Tool</title>
+ <mediaobject>
+ <imageobject>
+ <imagedata format="JPG"
+ fileref="images/toolbox/toolbox-scissor.png" />
+ </imageobject>
+ </mediaobject>
+ <mediaobject>
+ <imageobject>
+ <imagedata format="JPG"
+ fileref="images/tutorials/quickie-background-scissors.jpg" />
+ </imageobject>
+ </mediaobject>
+ </figure>
+ </listitem>
+ <listitem>
+ <para>
+ <emphasis role="bold">The <quote>Foreground Select
+ Tool</quote></emphasis> lets you mark areas as
+ <quote>Foreground</quote> or <quote>Background</quote> and refines
+ the selection automatically. Read more about this tool here:
+ <xref linkend="gimp-tool-foreground-select" />
+ </para>
+ <figure float="0">
+ <title>Foreground Select Tool</title>
+ <mediaobject>
+ <imageobject>
+ <imagedata format="JPG"
+ fileref="images/toolbox/FG-select-toolbox.png" />
+ </imageobject>
+ </mediaobject>
+ <mediaobject>
+ <imageobject>
+ <imagedata format="JPG"
+ fileref="images/tutorials/quickie-background-foreground-select.jpg"/>
+ </imageobject>
+ </mediaobject>
+ </figure>
+ </listitem>
+ </itemizedlist>
+ </para>
+ <sect3><title>Once you have selected your subject</title>
+ <para>
+ Once you have selected your subject successfully, use
+ <menuchoice moreinfo="none"><guimenu moreinfo="none">Select</guimenu>
+ <guimenuitem moreinfo="none">Invert</guimenuitem></menuchoice>. Now,
+ instead of the subject, the background is selected. What you do now
+ depends on what you intended to do with the background:
+ <itemizedlist>
+ <listitem>
+ <para>To fill the background with a single color:</para>
+ <para>
+ Click the foreground color swatch (the top left of the two
+ overlapping colored rectangles) in the toolbox and select the
+ desired color. Next,use <xref linkend="gimp-tool-bucket-fill"/>
+ to replace the background with your chosen color.
+ </para>
- <listitem>
- <para>To make a black-and-white background while keeping the subject in
- color:</para>
- <para>Use
- <menuchoice moreinfo="none">
- <guimenu moreinfo="none">Colors</guimenu>
- <guimenuitem moreinfo="none">Desaturate</guimenuitem>
- </menuchoice>. In the dialog that opens, cycle between the modes and
- select the best-looking one, then click OK.</para>
-
- <figure float="0">
- <title>Result of Desaturating the Background</title>
- <mediaobject>
- <imageobject>
- <imagedata format="PNG"
- fileref="images/tutorials/quickie-background-desaturate-result.png" />
- </imageobject>
- </mediaobject>
- </figure>
- </listitem>
- </itemizedlist>
+ <figure float="0">
+ <title>Result of Adding a Plain Color Background</title>
+ <mediaobject>
+ <imageobject>
+ <imagedata format="PNG"
+ fileref="images/tutorials/quickie-background-color-result.png" />
+ </imageobject>
+ </mediaobject>
+ </figure>
+ </listitem>
+ <listitem>
+ <para>
+ To make a black-and-white background while keeping the subject in
+ color:
+ </para>
+ <para>
+ Use
+ <menuchoice moreinfo="none">
+ <guimenu moreinfo="none">Colors</guimenu>
+ <guimenuitem moreinfo="none">Desaturate</guimenuitem>
+ </menuchoice>. In the dialog that opens, cycle between the modes
+ and select the best-looking one, then click OK.
+ </para>
+
+ <figure float="0">
+ <title>Result of Desaturating the Background</title>
+ <mediaobject>
+ <imageobject>
+ <imagedata format="PNG"
+ fileref="images/tutorials/quickie-background-desaturate-result.png"/>
+ </imageobject>
+ </mediaobject>
+ </figure>
+ </listitem>
+ </itemizedlist>
+ </para>
+ </sect3>
</sect2>
</sect1>
[
Date Prev][
Date Next] [
Thread Prev][
Thread Next]
[
Thread Index]
[
Date Index]
[
Author Index]