Blame Manuals/Texinfo/Directories/trunk/Identity/Brushes.texinfo

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@subheading Goals
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This section describes how brushes are organized in the repository and
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how to make them available for you to use in @acronym{GIMP,GNU Image
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Manipulation Program}.
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@subheading Description
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A brush is a pixmap or set of pixmaps used for painting through an
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image manipulation program like GIMP.  Inside the repository, we've
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organized brushes in @emph{common brushes} and @emph{theme-specific
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brushes}.  In both cases, brushes are initially created in @file{.xcf}
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format and later exported to any of the brush formats recognized by
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GIMP (e.g., @file{.gbr} or @file{.gih}) using the same name of its
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source file.
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@verbatim
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1. Common brushes       2. Theme-specific brushes
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----------------------  -----------------------------------------------------------
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trunk/Identity/Brushes  trunk/Identity/Images/Themes/THEMENAME/THEMEVERSION/Brushes
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|-- Xcf                 |-- Xcf
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|   |-- 1.xcf           |   |-- 1.xcf
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|   |-- 2.xcf           |   |-- 2.xcf
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|   `-- 3.xcf           |   `-- 3.xcf
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|-- 1.gbr               |-- 1.gbr
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|-- 2.gih               |-- 2.gih
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`-- 3.gbr               `-- 3.gbr
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@end verbatim
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In order for both common brushes and theme-specific brushes to be
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loaded by GIMP, related @file{.gbr} and @file{.gih} brush files need
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to be stored under @file{~/.gimp-2.2/brushes} directory. This location
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is out of CentOS Artwork Repository and provides no version control by
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itself. This way, brushes aren't exported to this location but into
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the repository directory structure which is versioned. Later, we
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create symbolic links in @file{~/.gimp-2.2/brushes} to connect file
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brushes inside the repository and, this way, provide the configuration
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needed by GIMP to use the brush files produced inside the repository.
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@quotation
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@strong{Warning}
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When brushes are added to or removed from the repository, you need to
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update your working copy and all information related to brushes inside
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your workstation (e.g., brush links in @file{~/.gimp-2.2/brushes} and
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the Brushes panel in GIMP).  Otherwise, you may end up with broken
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links or brushes in the repository that wouldn't be available for you
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to use in GIMP.
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@end quotation
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Inside the repository, common brushes and theme-specific brushes are
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created individually in different locations, but they all are linked
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from one unique location (i.e., @file{~/.gimp-2.2/brushes}).  This
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configuration may provoke brush overlapping if a name convenction is
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not implemented correctly.  In that sake, file names used for brushes
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inside the repository must be unique, no matter where they be.
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As file name convenction inside the repository, brushes are named
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using lowercase letters, numbers, minus characters and dot characters,
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only.  Additionally, when links are built, we use one suffix for those
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brushes retrived from @file{trunk/Identity/Brushes} and another suffix
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for those brushes retrivided from theme-specific directories.  Using
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both the brush file name and the suffix information,  it is possible
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to build unique names for links under @file{~/.gimp-2.2/brushes}
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directory, scalably.
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@verbatim
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trunk/Identity/Brushes
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|-- 1.gbr (file) <-- ~/.gimp-2.2/brushes/centos-1.gbr (link)
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|-- 2.gbr (file) <-- ~/.gimp-2.2/brushes/centos-2.gbr (link)
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`-- 3.gbr (file) <-- ~/.gimp-2.2/brushes/centos-3.gbr (link)
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@end verbatim
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@verbatim
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trunk/Identity/Images/Themes/THEMENAME/THEMEVERSION/Brushes
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|-- 1.gbr (file) <-- ~/.gimp-2.2/brushes/centos-THEMENAME-THEMEVERSION-1.gbr (link)
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|-- 2.gbr (file) <-- ~/.gimp-2.2/brushes/centos-THEMENAME-THEMEVERSION-2.gbr (link)
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`-- 3.gbr (file) <-- ~/.gimp-2.2/brushes/centos-THEMENAME-THEMEVERSION-3.gbr (link)
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@end verbatim
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Brushes produced with GIMP has a description field associated that is
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shown in the Brushes panel of GIMP.  This description is set when the
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brush is created as @file{.xcf} file and can be updated when it is
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exported either to @file{.gbr} or @file{.gih} format. It wouldn't be
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too useful to have two or more brushes using the same description so,
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we also make description of brush files unique, too. In that sake, we
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use the same name schema used to name brush links as description but
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without including the file extension (e.g., if we have the
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@file{centos-flame-3.gbr} brush, its description would be
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@code{centos-flame-3}).
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@subheading Usage
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The way you use brushes is up to your creativeness. However, the way
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brushes are made available needs to be standardized. That's the reason
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of organizing brushes in common brushes and theme-specific brushes.
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@subheading Common brushes
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Common brushes exist to organize brushes that can be used anywhere
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inside the repository. Inside the repository, common brushes under
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@file{trunk/Identity/Brushes} are mainly used to hold brand
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information related to The CentOS Project (e.g., symbols, logos,
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trademarks, etc.).
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Common brushes are always made available under
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@file{~/.gimp-2.2/brushes} directory after preparing the repository
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(@pxref{Directories trunk Scripts Functions Prepare}).
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@subheading Theme-specific brushes
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Theme-specific brushes exist to organize brushes that can be used
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inside specific artistic motifs only. Inside the repository,
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theme-specific brushes are stored in a directory named @file{Brushes}
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which is stored in the first directory level under the artistic motif
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directory structure. Each artistic motif inside the repository has its
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own @file{Brushes} directory and uses it to store brushes that can be
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considered auxiliars to that artistic motif construction.
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Theme-specific brushes aren't made available under
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@file{~/.gimp-2.2/brushes} directory after preparing the repository.
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In order to make theme-specific brushes available under
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@file{~/.gimp-2.2./brushes} it is required to activate/deactivate them
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using the @code{theme} functionality of @command{centos-art.sh}
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script. @c (@pxref{Directories trunk Scripts Functions Theme}).
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@subheading See also
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@itemize
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@item @url{file:///usr/share/gimp/2.0/help/en/index.html,The Gimp
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Manual}, specifically the section related to
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@url{file:///usr/share/gimp/2.0/help/en/gimp-concepts-brushes.html,
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Brushes}.
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@item @ref{Directories trunk Identity}
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@item @ref{Directories trunk}
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@end itemize