GIMP (GNU Image Manipulation Program) is an open-source image editing program, licensed under the GNU General Public Licence. It can be used for editing. Add {{User gimp}} to your user page to add the above userbox and place yourself in this category. Pages in category “GIMP users”. More recent additions, More. To assemble two (or more) images, simply create a new, transparent image of the required size, then open the images you want to add as layers and arrange.

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It can be used for editing electronic bitmap images like photographs. GIMP, as a fully functioning image editor, rivals other industry standard software such as Adobe Photoshop and Corel Paint Shop Pro in terms of features such as multiple layers, the ability to resize and re-shape wikibiok, cropping, colour manipulation, and so on.

The project was started inand its first gjmp release 0. Many image editing tutorials are available on the web. Some of the available tutorials can be used wimibook, since the image-editing functionality provided by the GIMP and Photoshop or Paint Shop Pro are similar images can be cropped, resized, colours altered, pixels erased, pixels added etc. A moderately advanced GIMP user can follow Photoshop tutorials as if they were written for the GIMP, and vice-versa except when the tutorial uses a feature that one of the programs does not support.

Category:GIMP users – Wikibooks, open books for an open world

However, following a Photoshop tutorial using GIMP or any other image editor, in reality as written can be difficult, or nigh impossible. Unfortunately, the GIMP lacks some features that are commonly used in Photoshop, such as adjustment layers which, for example, may affect the brightness or contrast of an image without permanently modifying it and colorspaces other than RGB and grayscale CMYK is essentially a necessity if you’re wanting to print something.

In most situations, luckily, these features do little more than just make wikibok workflow a tad easier, thus there might just be a different way to achieve the same results. The current look of GIMP consists of 2 main windows – the image window and a toolbox.

Also by default there’s another utility window. The image window is always under the utility windows, but can easily go over by using the Tab key.

Note that if you want to start using the GIMP right away, right clicking an image window will open a menu that gives access to most of the GIMP’s editing tools and features. Obviously, all commands can also be accessed via the toolbar at the top of the window of the image you’re currently working on.

You can find out a wlkibook more about GIMP on its website, http: GIMP has a “toolbox” to quickly perform basic tasks. To select tools for doing something, go to the “Tools” menu, and select any tool you want. But it can only be edited in a linear way, gip is, while sorting it in the “options” there’s no way to see where tools will finally appear on the grid. Even though the program’s layout updates instantly. They push each other around. There’s no way to align tools to right or other corners, or each other.


GIMP/Print version – Wikibooks, open books for an open world

If the user later shifts the width of the toolbox’ panel to optimize space on screenthe grid gets misaligned, so there’s a way to accommodate only 1 layout. If leaving a not evenly divisible quantity of tools, the lowest-right corner can’t be utilized. For that matter, it may be useful to make a screenshot of the toolbox with having activated all the needed tools, and lay out the grid in an easy raster program like Paint or GIMP itself, to make the surface look the needed way.

Then start moving them in Preferences accordingly. Remember that tools go from the up-left corner, rightwise then down.

By wikibookk not all tools are shown – for example GEGL operation and colour tools are omitted. All tools can also be accessed by opening the “Tools” menu. More sophisticated tools are not in the toolbox, but next to the Toolsin the Filters menu.

There are also some other tools, hidden by default. These tools are accessed from the “Tools” menu, or by showing them in toolbox. By default, activating any tool will have the effect of showing its options under the toolbox. Each tool has its own set of settings and any changes to them are kept through the current session.

There are also four buttons under any options. You can hide them by clicking on the arrow next to the tool name and deselecting Show Button Bar. You can also access these from the wikinook menu under Tool Options Menu. Below the toolbox can be placed these three areas. Shows current foreground and background gim.

Clicking on either will bring the colour editor dialogue. Clicking on the symbol in the lower left corner resets the colour to their defaults. The D key has the same effect. Clicking on the symbol in the upper right corner swaps the foreground and background wikibiok.

The X key has the same effect. Shows currently selected brush, pattern or gradient.

Clicking on any of these allows to change it. Displays a thumbnail of the active image. Clicking on it will bring the Images dialogue up, allowing you to select an image. For instance, a gradient may be a paint fill or stroke which smoothly blends from red to green. A gradient may have sudden changes as well. And a gradient may be applied to selections or opacities. This bar controls the transparency of the gradient. Any value between 0. The default value is There are hundreds of types of gradients in GIMP.

Neons, flags, flares and much more.

All of them have their own effect, but only few use selected colours. Here’s short description of them:. Next to it you can see a flip option. It reverses the gradient direction.

For example, Red to Green would flip to Green to Red. Gradient offset ranges from a default of 0, wukibook to percent. When wikigook is 0, the gradient begins at the start of the blending wikbook. When offset is 50, the gradient begins at the halfway point in the blending line. Any earlier points are rendered with the same colour as the leftmost colour in the gradient. Setting offset to There are eleven gradient shapes, clicking and dragging inside a selection makes the gradient follow its boundary.


You can use Repeat with these shapes: Dithering reduces banding patterns in the gradient. If your gradient includes deliberately banded areas, turn dithering off in order to preserve them. If the result must be very precise, consider turning dithering off also dithering trades spatial resolution for colour resolution, which is only good if you have spatial resolution to spare. Adaptive supersampling identifies areas that seem to have high contrast and tries to improve the precision of the rendering only at these points.

The general effect is that areas of high contrast are smoothed out; One easy way to see this is comparing the appearance of a ‘sawtooth wave’ repeated gradient with and without supersampling enabled. The options in this section allow you to control. See supersampling for a detailed explanation. To move a layer, select this option. If the layers are grouped chain symbolall layers in the group will be moved. When this mode is selected, under tool toggle you’ll see two options, “Pick a layer or guide” and “Move the active layer”.

The first wikihook will move the layer that you select and the second one will always move the active layer. You can also move paths with this tool. Note that path tool has its own tool for moving. To use move tool, make the path visible in the path dialogue.

The Crop tool can be used to crop or clip the image, working on all layers of the image both visible and invisible. It can be used for removal of borders, or unwanted areas of the image to centre the focus on the work.

To crop the image to selected size, double-click inside the box, or press Enter.


The crop box can be resized by dragging at the edges and corners. To move it, click and drag on the crosshairs at the centre. All other options work as described in Rectangle Selection article. See sections Expand from centre to Shrink merged.

There are 7 selection tools. Each has its own properties, but all have something in common. All of these common options will be described here, while their variations on the tools pages. The paths tool can be considered as a selection tool, but it doesn’t share any options.

It can be used as a tool for creating complex selections, especially ones that follow natural curves. There is also a quick mask mode, used for creating and editing selections using the paintbrush or any other drawing tools.

Modes determine whether the selection will be added, subtracted or intersected from existing one, or either gump it. Functions performed by these button can be duplicated using modifier keys, as described later. Many wikibokk find this very useful. This option only affects few of selection tools. It causes the boundary of the selection to be drawn more smoothly.