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- <title>7. Layers</title>
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- <tr>
- <th colspan="3" align="center" id="chaptername">Chapter 5. Menus</th>
- </tr>
- <tr>
- <td width="20%" align="left"><a accesskey="p" href="ch05s06s10.html">Prev</a> </td>
- <th width="60%" align="center" id="sectionname">7. Layers</th>
- <td width="20%" align="right"> <a accesskey="n" href="ch05s07s02.html">Next</a></td>
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- <div class="sect1" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h2 class="title" style="clear: both"><a id="gimp-layer-menu"></a>7. Layers</h2>
- </div>
- </div>
- </div>
- <a id="id3468517" class="indexterm"></a>
- <div class="sect2" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h3 class="title"><a id="id3468526"></a>7.1. Main Menu</h3>
- </div>
- </div>
- </div>
- <div class="informalfigure">
- <div class="mediaobject">
- <img src="../images/menus/menus-layer.png" />
- </div>
- </div>
- <p>
- In addition to the image menubar and image right-click menu, you
- can also get the Layers menu by right-clicking on a layer
- thumbnail in the Layers dialog. Several of the operations in this
- menu are also available from buttons in the Layers dialog:
- resizing a layer, managing layer transparency, and merging layers.
- </p>
- <div class="simplesect" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h4 class="title"><a id="gimp-new-layer-dialog"></a>New Layer</h4>
- </div>
- </div>
- </div>
- <div class="informalfigure">
- <div class="mediaobject">
- <img src="../images/dialogs/dialogs-new-layer.png" />
- <div class="caption">
- <p>
- New Layer dialog
- </p>
- </div>
- </div>
- </div>
- <p>
- This dialog comes up when you create a new layer within an
- image. It is activated by choosing
- <span class="guimenu">Image</span>-><span class="guimenuitem">New Layer</span>
- </p>
- <div class="variablelist">
- <p class="title">
- <b>Options</b>
- </p>
- <dl>
- <dt>
- <span class="term">Layer Name</span>
- </dt>
- <dd>
- <p>
- Here you assign the layer a name. This does not have any
- functional significance: it is simply a convenience to
- help you remember the role you intended the layer to play
- when you created it. By default, the name "New Layer" is
- used. If a layer with this name (or whatever name you
- choose) already exists, after you hit the "OK" button, a
- number will be appended to the name in order to make it
- unique, i. e., "New Layer#1".
- </p>
- </dd>
- <dt>
- <span class="term">Width and Height</span>
- </dt>
- <dd>
- <p>
- Here you set the dimensions of the new layer. When the
- dialog appears, the values are initialized to the
- dimensions of the image. You can change them, and if you
- want to use units other than pixels, you can get them
- using the Units menu to the right. You can't set the
- position of the layer within the image here, but you can
- always move it after it has been created.
- </p>
- </dd>
- <dt>
- <span class="term">Layer Fill Type</span>
- </dt>
- <dd>
- <p>
- Here you have four options for the solid color that will
- fill the layer: the foreground or background colors as
- shown in the Main Toolbox; white; or transparent.
- </p>
- </dd>
- </dl>
- </div>
- </div>
- <div class="simplesect" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h4 class="title"><a id="id3468690"></a>Duplicate layer</h4>
- </div>
- </div>
- </div>
- <p>
- This item adds to the image a new layer that is a perfect copy
- of the active layer in all respects but two: first, if the
- active layer is the bottom layer and lacks an alpha channel, one
- will be added to the copy; second, if any layer parasites are
- attached to the active layer, they are not copied (if you don't
- understand what this means, don't worry about it).
- </p>
- </div>
- <div class="simplesect" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h4 class="title"><a id="id3468709"></a>Anchor layer</h4>
- </div>
- </div>
- </div>
- <p>
- This item anchors the floating selection to the active layer.
- If the image does not contain a floating selection, this menu
- entry will be insensitive.
- </p>
- </div>
- <div class="simplesect" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h4 class="title"><a id="gimp-layer-merge-down"></a>Merge down</h4>
- </div>
- </div>
- </div>
- <p>
- This item causes the active layer to be merged with the layer
- below it in the layer list, taking into account the active
- layer's opacity and combination mode.
- </p>
- </div>
- <div class="simplesect" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h4 class="title"><a id="id3468741"></a>Delete layer</h4>
- </div>
- </div>
- </div>
- <p>
- This item removes the active layer from the image.
- </p>
- </div>
- <div class="simplesect" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h4 class="title"><a id="id3468754"></a>Edit Layer Attributes</h4>
- </div>
- </div>
- </div>
- <p>
- This item is used to change the name of the layer.
- </p>
- </div>
- <div class="simplesect" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h4 class="title"><a id="gimp-layer-resize"></a>Layer Boundary Size</h4>
- </div>
- </div>
- </div>
- <p>
- A layer does not always have same size as the image canvas. It
- can be smaller (consuming less memory) or larger, in which case
- some parts are hidden. Selecting this item will activate a
- dialog in which you can set parameters for the layer dimensions:
- these parameters are <span class="guilabel">Width</span> and
- <span class="guilabel">Height</span>, or alternatively <span class="guilabel">Ratio X
- Y</span>. The layer ratio is maintained if the chain
- symbol has a "locked" appearance. Clicking on the chain symbol
- will toggle it between locked and unlocked states. You can
- use a menu to select the units for the new layer boundary size.
- <span class="guilabel">Offset</span> locates the upper left corner of the
- layer in the image's canvas. In addition to editing the numbers,
- you can change the X and Y offsets by dragging the mouse in the
- interactive image in the dialog. The old layer configuration
- is shown with a blurred border and the new layer
- configuration with a hard border.
- </p>
- </div>
- <div class="simplesect" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h4 class="title"><a id="gimp-layer-resize-to-image"></a>Layer to Image Size</h4>
- </div>
- </div>
- </div>
- <p>
- This item resizes the layer boundaries to match the image
- bounds, without moving the contents of the layer with respect to
- the image.
- </p>
- </div>
- <div class="simplesect" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h4 class="title"><a id="gimp-layer-scale"></a>Scale Layer</h4>
- </div>
- </div>
- </div>
- <p>
- With this item you can resize the
- layer and its contents. A dialog appears in which you can set
- parameters for the layer size. Those parameters are
- <span class="guilabel">Width</span> and <span class="guilabel">Height</span>
- or also <span class="guilabel">Ratio X Y</span>. The layer ratio is
- retained if the icon behind the ratio values is a chain.
- When you click on this icon, the chain is broken and the
- original ratio is no longer maintained. You can use a menu to
- select the units for the new layer boundary size. The
- <span class="guilabel">Interpolation</span> menu let you choose how
- the new layer pixels will be recalculated. When you resize
- the layer content either pixels are added or removed,
- and a recalculation is necessary. When the new size is
- smaller, the layer is cropped. When the new size is larger, a
- transparent area (or the background color if the layer has
- no Alpha channel) is added around the previous contents of
- the layer.
- </p>
- </div>
- </div>
- </div>
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- <td width="40%" align="left" valign="top">6.10. Configure Grid </td>
- <td width="20%" align="center">
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