A palette is a set of discrete colors, in no particular order. See the Palettes section for basic information on palettes and how they can be created and used.
The Palettes dialog is used to select a palette, by clicking on it in a list or grid view. A few dozen more or less randomly chosen palettes are supplied with GIMP, and you can easily add new palettes of your own. The Palettes dialog also give you access to several operations for creating new palettes or manipulating the ones that already exist.
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Note |
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The Palettes dialog is not the same thing as the Index Palette dialog, which is used to manipulate the colormaps of indexed images. |
The Palettes dialog is a dockable dialog; see the section on Dialogs and Docking for help on manipulating it. It can be activated in several ways:
From the Toolbox menu:
→ → .From an image menu:
→ .From the Tab menu in any dockable dialog:
→ .Clicking on a palette in the dialog makes it GIMP's active palette. This does not really have any significance, though. Double-clicking on a palette brings up the Palette Editor, which allows you to set GIMP's foreground or background colors by clicking on colors in the palette display.
Double-clicking on a palette name (in List View mode) lets you to edit the name. Note that you are only allowed to change the names of palettes that you have added yourself, not those that are supplied with GIMP. If you edit a name that you are not allowed to change, it will revert back to its previous value as soon as you hit return or move the pointer focus elsewhere.
In the Tab menu, you can choose between
and . In Grid mode, the palettes are laid out in a spectacular rectangular array, making it easy to see many at once and find the one you are looking for. In List mode (the default), the palettes are lined up in a list, with the names beside them.
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Tip |
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In the Tab menu, the option Preview Size allows you to adapt the size of color cell previews to your liking. |
This button brings up the Palette Editor.
See New Palette.
See Duplicate Palette.
See Delete Palette.
See Refresh Palettes.
The Palettes Menu can be accessed by right-clicking in the Palettes dialog, or by choosing the top item from the dialog Tab menu.
ΓÇ£Edit PaletteΓÇ¥ is an alternative way of activating the Palette Editor: it can also be activated by double-clicking on a palette in the Palettes dialog, or by pressing the "Edit Palette" button at the bottom of the dialog.
ΓÇ£New PaletteΓÇ¥ creates a new, untitled palette,
initially containing no color entries, and pops up the Palette
Editor so that you can add colors to the palette. The result
will automatically be saved in your personal
palettes
folder when you quit GIMP, so it
will be available from the Palettes dialog in future sessions.
ΓÇ£Import PaletteΓÇ¥ allows you to create a new palette from the colors in a gradient, an image or a palette file. Choosing it brings up the "Import Palette" dialog, which gives you the following options:
You can import a palette either from any of GIMP's gradients
(choosing one from the adjoining menu), or from any of the
currently open images (chosen from the adjoining menu). In
GIMP 2.2, you can also import a RIFF palette file (with
extension .pal
), of the type used by
several Microsoft Windows applications.
You can give a name to the new palette here. If the name you choose is already used by an existing palette, a unique name will be formed by appending a number (e. g., "#1").
Here you specify the number of colors in the palette. The default is 256, chosen for three reasons: (1) every gradient contains 256 distinct colors; (2) GIF files can use a maximum of 256 colors; (3) GIMP indexed images can contain a maximum of 256 distinct colors. You can use any number you like here, though: GIMP will try to create a palette by spacing the specified number of colors even across the color range of the gradient or image.
Here you specify the number of columns for the palette. This only affects the way the palette is displayed, and has no effect on the way the palette is used.
XXX I have no idea what this is.
The imported palette will be added to the Palettes dialog, and
automatically saved in your personal
palettes
folder when you quit GIMP, so it will be available in future
sessions.
Duplicate Palette creates a new palette by copying the palette
that is currently selected, and brings up a Palette Editor so that
you can alter the palette. The result will automatically be saved
in your personal palettes
folder when you quit GIMP, so it will be available from the
Palettes dialog in future sessions.
Currently this operation is not implemented, and the menu entry will always be insensitive.
Delete Palette removes the palette from the Palettes dialog, and deletes the disk file in which it is stored. Before it acts, it asks you confirm that you really want to do these things. Note that you cannot remove any of the palettes that are supplied with GIMP, only palettes you have added yourself.
Refresh Palettes rescans all of the folders in your palette search path, and adds any newly discovered palettes to the list in the Palettes dialog. This may be useful if you obtain palette files from some external source, copy them into one of your palettes folders, and want to make them available during the current session.
The Palette Editor is used mainly for two purposes: first, for setting GIMP's foreground or background colors (as shown in the Color Area of the Toolbox) to selected colors from the palette; second, for modifying the palette. You can activate the Palette Editor for any palette in the Palettes dialog, but you can only modify palettes that you have created yourself, not the palettes that are supplied when you install GIMP. (You can, however, duplicate any palette and then edit the newly created copy.) If you modify a palette, the results of your work will automatically be saved when you exit from GIMP.
The Palette Editor is only accessible from the Palettes dialog: you can activate it by double-clicking on a palette, or by pressing the "Edit Palette" button at the bottom, or by choosing "Edit Palette" from the Palettes Menu.
The Palette Editor is a dockable dialog; see the section on Dialogs and Docking for help on manipulating it.
If you click on a color box in the palette display, GIMP's foreground color will be set to the selected color: you can see this in the Color Area of the Toolbox. If you hold down the Ctrl key while clicking, GIMP's background color will be set to the selected color.
Double-clicking on a color not only sets the foreground, it also brings up a color editor that allows you to modify the selected palette entry. (This only happens if the palette is one you are allowed to modify: that is, one you have added to GIMP yourself.)
Right-clicking in the palette display area brings up the Palette Editor menu. It's functions are mainly the same as those of the buttons at the bottom of the dialog.
Below the palette display area, at the left, appears a text entry area that shows the name of the selected color (or "Untitled" if it does not have one). This information has no functional significance, and is present only to serve you as a memory aid.
To the right of the name entry is a spinbutton that allows you to set the number of columns used to display the palette. This only affects the display, not how the palette works. If the value is set to 0, a default will be used.
At the bottom of the dialog are a set of buttons, which mostly match the entries in the Palette Editor menu, accessible by right-clicking in the palette display area. Here are the buttons:
This button causes the palette to be saved in your personal
palettes
folder. It would be saved
automatically when GIMP exits in any case, but you might want
to use this button if you are concerned that GIMP might crash
in the meantime.
This operation has not yet been implemented.
Pops up a color editor allowing you to alter the color. If the palette is one you aren't allowed to alter, this button will be insensitive.
Adds a new entry to the palette, with color taken from GIMP's foreground color, as shown in the Color Area of the Toolbox. If you hold down the Ctrl key when pressing this button, the new color will be taken from GIMP's background instead. If the palette is one you aren't allowed to alter, this button will be insensitive.
Removes the selected color entry from the palette. If the palette is one you aren't allowed to alter, this button will be insensitive.
Shrinks the palette display vertically.
Expands the palette display vertically.
Fits the vertical scale of the palette display to the size of the display area.
The Palette Editor Menu can be accessed by right-clicking on the palette display in the Palette Editor, or by choosing the top entry from the dialog Tab menu. The operations in it can also be executed using the buttons at the bottom of the Palette Editor dialog.
"Edit Color" brings up a color editor that allows you to modify the color of the selected palette entry. If the palette is one that you are not allowed to edit (that is, one supplied by GIMP when it is installed), then the menu entry will be insensitive.
These commands each create a new palette entry, using either GIMP's current foreground color (as shown in the Color Area of the Toolbox), or the current background color.
"Delete Color" removes the selected color entry from the palette. If the palette is one that you are not allowed to edit, then the menu entry will be insensitive.
"Zoom Out" reduces the vertical scale of the entries in the palette display.
"Zoom In" increases the vertical scale of the entries in the palette display.
"Zoom All" adjusts the vertical size of the entries in the palette display so that the entire palette fits into the display area.