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174 lines
9.0 KiB
174 lines
9.0 KiB
2 years ago
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta name="viewport" content="width=device-width, minimum-scale=1.0, maximum-scale=1.0, initial-scale=1.0" />
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<title>Photopea - Other Layers</title>
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<link rel="stylesheet" href="https://blog.photopea.com/wp-content/themes/simplex/style.css" type="text/css" media="screen" />
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<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:400,400i,700,700i" />
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</head>
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<body>
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<div id="page">
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<div id="header">
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<a href="index.html" class="title">Learn Photopea</a>
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<!--<p>Web-based image editor.</p>-->
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<a href="https://blog.photopea.com">Blog</a> |
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<a class="curr" href="index.html">Learn</a> |
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<a href="../tuts/index.html">Tutorials</a> |
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<a href="../api/index.html">API</a> |
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<a href="https://www.facebook.com/photopea">Facebook</a> |
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<a href="https://www.twitter.com/photopeacom">Twitter</a>
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</div>
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<div id="main" style="max-width:1000px;">
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<div id="sidebar" style="width:22%;">
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<h3>Topics</h3>
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<ul>
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<li class="lvl0"><a href="index.html">Introduction</a></li>
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<li class="lvl0"><a href="workspace.html">Workspace</a></li>
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<li class="lvl1"><a href="opening-saving.html">Open and Save</a></li>
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<li class="lvl1"><a href="navigation.html">Navigation</a></li>
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<li class="lvl1"><a href="image-size.html">Image size</a></li>
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<li class="lvl0"><a href="layers.html">Layers</a></li>
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<li class="lvl1"><a href="masks.html">Masks</a></li>
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<li class="lvl1"><a href="layer-styles.html">Layer Styles</a></li>
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<li class="lvl1"><a href="smart-objects.html">Smart Objects</a></li>
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<li class="lvl1 active"><a href="other-layers.html">Other Layers</a></li>
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<li class="lvl0"><a href="layer-manipulation.html">Layer Editing</a></li>
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<li class="lvl1"><a href="free-transform.html">Free Transform</a></li>
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<li class="lvl1"><a href="adjustments-filters.html">Adjust. & Filters</a></li>
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<li class="lvl0"><a href="selections.html">Selections</a></li>
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<li class="lvl1"><a href="creating-selections.html">Make Selections</a></li>
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<li class="lvl1"><a href="advanced-selecting.html">Advanced Selecting</a></li>
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<li class="lvl1"><a href="refine-edge.html">Refine Edge</a></li>
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<li class="lvl1"><a href="moving-selected-data.html">Move Selected Data</a></li>
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<li class="lvl0"><a href="brush-tools.html">Brush Tools</a></li>
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<li class="lvl1"><a href="bt-basic.html">Basic Tools</a></li>
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<li class="lvl1"><a href="bt-advanced.html">Advanced Tools</a></li>
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<li class="lvl1"><a href="bt-smart.html">Smart Tools</a></li>
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<li class="lvl0"><a href="text.html">Text</a></li>
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<li class="lvl1"><a href="text-style.html">Text Style</a></li>
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<li class="lvl0"><a href="vector-graphics.html">Vector Graphics</a></li>
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<li class="lvl1"><a href="vg-structure.html">The Structure</a></li>
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<li class="lvl1"><a href="vg-manipulation.html">Editing Shapes</a></li>
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<li class="lvl1"><a href="vg-creating.html">Creating Shapes</a></li>
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<li class="lvl0"><a href="other.html">Other</a></li>
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<li class="lvl1"><a href="guides-grid-snapping.html">Guides & Snapping</a></li>
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<li class="lvl1"><a href="animations.html">Animations</a></li>
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<li class="lvl1"><a href="layer-comps.html">Layer Comps</a></li>
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<li class="lvl1"><a href="scripts.html">Scripts</a></li>
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</ul>
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</div>
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<div id="content" style="width:78%;">
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<div class="post">
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<h1>Other Layers</h1>
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<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
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<ins class="adsbygoogle"
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style="display:block; text-align:center;"
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data-ad-layout="in-article"
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data-ad-format="fluid"
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data-ad-client="ca-pub-0885095539348241"
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data-ad-slot="5352893134"></ins>
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<script> (adsbygoogle = window.adsbygoogle || []).push({}); </script>
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<h2>Fill Layers</h2>
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<p>There are two types of fill layers: <b>solid color fill</b>, <b>gradient fill</b> and <b>pattern fill</b>.
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A fill layer has a parameter (e.g. the gradient) and it will produce a full-width rectangle,
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that is filled with the corresponding color, the gradient or the pattern.</p>
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<img src="https://i.imgur.com/aK7HutT.png" />
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<p>Of course, there are many ways how to produce a layer filled with the color the gradient or the pattern.
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E.g. you can create an empty layer and use the Brush tool to paint it with the color.
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Fill layers have several advantages. They have a special thumbnail, which helps you see the purpose of the layer.
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Fill parameters (the color, the gradient or the pattern) can be easily modified. When you change the size of the canvas,
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the content of fill layers is regenerated automatically to fill the new canvas.</p>
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<p>Press Layer - New Fill Layer in the top menu to add a new fill layer. Parameters of the fill can be chaged in the Properties panel
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(the panel will show up after double-clicking the thumbnail of the fill layer).</p>
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<h2>Adjustment layers</h2>
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<p>Adjustment layers are the special kind of layers. They do not contain any image data, but they perform
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a color adjustment to the content below them.</p>
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<p>Imagine that you have a photo and you want to make it black and white (grayscale).
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Photopea gives you many ways to change the actual pixels of the photo layer, to make them grayscale.
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But with adjustment layers, you can make the photo look back and white, without actually cahnging pixels of the photo layer.</p>
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<p>You could simply add a Hue / Saturation adjustment layer on top of the photo layer, and set the Saturation parameter to zero.</p>
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<img src="https://i.imgur.com/pHcDiXI.png" />
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<p>Press Layer - New Adjustment Layer in the top menu to add a new adjustment layer. Parameters of the adjustment can be changed in the Properties panel
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(the panel will show up after double-clicking the thumbnail of the adjustment layer).</p>
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<p>Just like any other layers, fill layers and adjustment layers can have their own blend mode, opacity, masks etc.
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The mask of an adjustment layer will cause, that the adjustment will be performed only to those areas of the content below, which are white inside the mask.</p>
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<h2>Rasterizing layers</h2>
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<p>Each layer must have some pixel data, that will be used for combining the layer with other layers, to create the final image.
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But these pixel data can be generated in many different ways.</p>
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<p>We can separate layers inside PSD files into two different groups: <b>direct</b> ("regular") raster layers and <b>undirect</b> raster layers.
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For direct raster layers, the pixel information is the only information we have.
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For undirect raster layers, the pixel information is generated from some other information.</p>
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<p>Undirect layers are e.g. Smart Objects (their pixels are generated from the source image + position + transformation),
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fill layers (pixels generated from the fill parameters), text layers (pixels generated from some text and its parameters).
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We can not do pixel-specific operations on these layers (e.g. draw into them with a Brush, or blur a part of the layer with a Blur tool).</p>
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<p>To convert an undirect layer into a regular raster layer, we have to rasterize it
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(right-click - Rasterize, or Layer - Rasterize). Smart objects will lose the link to the source image, text layers will lose the text information,
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only pixel data will remain.</p>
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<h2>Clipping Masks</h2>
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<p>In PSD files, any layer can have the <b>clipping mask</b> option enabled.
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When it is on for some layer L, then the transparency of the layer below (let's call it K) will be used as the mask for the layer L.
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In other words, botk K and L will be drawn, but only the transparency of K will be used.</p>
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<p>Here we can see a text layer containing Photopea, and the photo of grass on top of it. Normally, the layer with grass would cover
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the whole text. But since the grass is a clipping mask, the transparency of the text layer is used for both layers.</p>
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<img src="https://i.imgur.com/9d0rWVF.png" />
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<p>You can have many clipping masks, one on top of another, to create a <b>chain</b> of clipping masks.
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In such case, the transparency of the first layer below them will be used for all layers in the chain.</p>
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<p>Clipping Mask can be enabled or disabled for any layer by right-clicking and choosing Clipping mask,
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or in the top menu: Layer - Clipping Mask, or by pressing Alt + Ctrl + G.</p>
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</div>
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<h2 style="margin-top: 4em">Comments</h2>
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<div id="disqus_thread"></div>
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</div>
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</div>
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<div id="footer">© 2013-2018 support@photopea.com</div>
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