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GIMP WIKIBOOK PDF

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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Clone tool icon in the Toolbox. The Clone tool uses the current brush to copy from an image or pattern.

GIMP – Wikibooks, open books for an open world

It has many uses: This technique takes a wikiboom to learn, but in the hands of a skilled user it is very powerful. Another important use is to draw patterned lines or curves: If you want to clone from an image, instead of a pattern, you must tell GIMP which wikiibook you want to copy from.

You do this by holding down the Ctrl key and clicking in the desired source image. Until you have set the source in this way, you will not be able to paint wikibopk the Clone tool: If you clone from a pattern, the pattern is tiled ; that is, when the point you are copying from moves past one of the edges, it jumps to the opposite edge and continues, as though the pattern were repeated side-by-side, indefinitely.

When you clone from an image this does not happen: You can clone from any drawable that is, any layer, layer mask, or channel to any other drawable. You can even clone to or from the selection mask, by switching to QuickMask mode. If this means copying colors gikp the target does not support for example, cloning from an RGB layer to an Indexed layer or a layer maskthen the colors will be converted to the closest possible wwikibook.

By clicking on the tool icon in Toolbox. See the Brush Tools Overview for a description of key modifiers that have the same effect on all brush tools.

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The Ctrl key is used to select the source, if you wlkibook cloning from an image: You can clone from any layer of any image, by clicking on the image display, with the Ctrl key held down, while the layer is active as shown in the Layers dialog.

In source-selection mode, the cursor changes to a crosshair-symbol.

Tool Options for the Clone tool. See the Brush Tools Overview for a description of tool options that apply to many or all brush tools. Clicking on the pattern symbol brings up the Patterns dialog, which you can use to select the pattern to paint with.

This option is only relevant if you are cloning from a Pattern source. The choice you make here determines whether data will be copied from the pattern shown above, gimo from one of the images you gi,p open. The Alignment mode sets how the source position is offset from each brush stroke. The mouse cursor is shown as a red rectangle, and the source point as a black crosshair. In this mode, each brushstroke is treated separately. For each stroke, the point where you first click is copied from the source origin; there is no relationship between one brush stroke and another.

In non-aligned mode, different brush strokes will usually clash if they intersect each other. In this mode, the first click you make when painting sets the offset between the source origin and the cloned result, and all subsequent brushstrokes use the same offset. Thus, you can use as many brushstrokes as you like, and they will all mesh smoothly with one another.

If you want to change the offset, you can do this by switching to non-aligned mode, painting one stroke, then switching back to aligned mode.

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Subsequent strokes will use the same offset as the first stroke. This mode copies each pixel in the source to the pixel with the same offset in the target. It is most commonly useful when you want to clone from one layer to another gim; within the same image.

It is also useful when cloning from a wikbiook, if you want the left or upper edges of the pattern to line up precisely with the corresponding edges of the target layer.

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GIMP/Assemble Images – Wikibooks, open books for an open world

The effects of the Clone tool on transparency are a bit complicated. You cannot clone transparency: If you clone from a partially transparent source, the effect is weighted by the opacity of the source.

Cloning an opaque area bimp a translucent area produces an opaque result; cloning a translucent area onto another translucent area causes an increase in opacity. There are a few non-obvious ways to use the Clone tool to obtain powerful effects. To do this, duplicate the layer you want to work on, and apply the filter to the copy. Ctrl-click on the filtered layer to set it as the source, and paint on the original layer: To do this, start by duplicating the image; then, in the original, go back to the desired state in the image’s history, either by undoing or by using the Undo History dialog.

This must wiibook done in the original, not the copy, because duplicating an image does not duplicate the Undo history. Ctrl-click on a layer from one image, and paint on the corresponding layer from the other image. By pressing the c keyboard shortcut. Ctrl The Ctrl key is used to select the source, if you are cloning from an image: Non-aligned In this mode, each brushstroke is treated separately.

Aligned In this mode, the first click you make when painting sets the offset between the source origin and the cloned result, and all subsequent brushstrokes use the same offset. Registered This mode copies each pixel in the source to the pixel with the same offset in the target.

Transparency The effects of the Clone tool on transparency are a bit complicated. Cloning translucent black onto wikibooo produces gray. Cloning translucent black onto black produces black. Cloning translucent white onto white produces white. Cloning translucent white onto black produces gray.