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<!DOCTYPE html> <html> <head> <title>layereffect.coffee</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To … <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="blackwhite.html"> blackwhite.coffee </a> <a class="source" href="brightnesscontrast.html"> brightnesscontrast.coffee </a> <a class="source" href="colorbalance.html"> colorbalance.coffee </a> <a class="source" href="curves.html"> curves.coffee </a> <a class="source" href="exposure.html"> exposure.coffee </a> <a class="source" href="gradient.html"> gradient.coffee </a> <a class="source" href="huesaturation.html"> huesaturation.coffee </a> <a class="source" href="invert.html"> invert.coffee </a> <a class="source" href="layereffect.html"> layereffect.coffee </a> <a class="source" href="levels.html"> levels.coffee </a> <a class="source" href="pattern.html"> pattern.coffee </a> <a class="source" href="photofilter.html"> photofilter.coffee </a> <a class="source" href="posterize.html"> posterize.coffee </a> <a class="source" href="selectivecolor.html"> selectivecolor.coffee </a> <a class="source" href="solidcolor.html"> solidcolor.coffee </a> <a class="source" href="threshold.html"> threshold.coffee </a> <a class="source" href="typetool.html"> typetool.coffee </a> <a class="source" href="vibrance.html"> vibrance.coffee </a> <a class="source" href="log.html"> log.coffee </a> <a class="source" href="psd.html"> psd.coffee </a> <a class="source" href="psdassert.html"> psdassert.coffee </a> <a class="source" href="psdchannelimage.html"> psdchannelimage.coffee </a> <a class="source" href="psdcolor.html"> psdcolor.coffee </a> <a class="source" href="psddescriptor.html"> psddescriptor.coffee </a> <a class="source" href="psdfile.html"> psdfile.coffee </a> <a class="source" href="psdheader.html"> psdheader.coffee </a> <a class="source" href="psdimage.html"> psdimage.coffee </a> <a class="source" href="psdlayer.html"> psdlayer.coffee </a> <a class="source" href="psdlayermask.html"> psdlayermask.coffee </a> <a class="source" href="psdresource.html"> psdresource.coffee </a> <a class="source" href="util.html"> util.coffee </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> layereffect.coffee </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">¶</a> </div> <p>libpsd has effect layer parsing
see https://github.com/alco/psdump/blob/master/libpsd-0.9</p> </td> <td class="code"> <div class="highlight"><pre><span class="k">class</span> <span class="nx">PSDLayerEffect</span>
<span class="nv">constructor: </span><span class="nf">(@file) -></span>
<span class="nv">parse: </span><span class="o">-></span></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">¶</a> </div> <p>these are common to all effects</p> </td> <td class="code"> <div class="highlight"><pre> <span class="p">[</span><span class="nx">@version</span><span class="p">]</span> <span class="o">=</span> <span class="nx">@file</span><span class="p">.</span><span class="nx">readf</span> <span class="s2">">i"</span>
<span class="nv">getSpaceColor: </span><span class="o">-></span>
<span class="nx">@file</span><span class="p">.</span><span class="nx">read</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span> <span class="c1"># 2 bytes for space</span>
<span class="nx">@file</span><span class="p">.</span><span class="nx">readf</span> <span class="s2">">HHHH"</span> <span class="c1"># 4 * 2 byte color component - r, g, b, a</span>
<span class="k">class</span> <span class="nx">PSDLayerEffectCommonStateInfo</span> <span class="k">extends</span> <span class="nx">PSDLayerEffect</span>
<span class="nv">parse: </span><span class="o">-></span>
<span class="k">super</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">¶</a> </div> <p>always true</p> </td> <td class="code"> <div class="highlight"><pre> <span class="vi">@visible = </span><span class="nx">@file</span><span class="p">.</span><span class="nx">readBoolean</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">¶</a> </div> <p>unused</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">@file</span><span class="p">.</span><span class="nx">read</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span>
<span class="p">{</span><span class="nv">visible: </span><span class="nx">@visible</span><span class="p">}</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">¶</a> </div> <p>Based on https://github.com/alco/psdump/blob/master/libpsd-0.9/src/drop_shadow.c</p> </td> <td class="code"> <div class="highlight"><pre><span class="k">class</span> <span class="nx">PSDDropDownLayerEffect</span> <span class="k">extends</span> <span class="nx">PSDLayerEffect</span>
<span class="nv">constructor: </span><span class="nf">(file, @inner = false) -></span>
<span class="k">super</span><span class="p">(</span><span class="nx">file</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">¶</a> </div> <p>defaults </p> </td> <td class="code"> <div class="highlight"><pre> <span class="vi">@blendMode = </span><span class="s2">"mul"</span>
<span class="vi">@color = @nativeColor = </span><span class="p">[</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">]</span>
<span class="vi">@opacity = </span><span class="mi">191</span>
<span class="vi">@angle = </span><span class="mi">120</span>
<span class="vi">@useGlobalLight = </span><span class="kc">true</span>
<span class="vi">@distance = </span><span class="mi">5</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">¶</a> </div> <p>v2</p> </td> <td class="code"> <div class="highlight"><pre> <span class="vi">@spread = </span><span class="mi">0</span>
<span class="vi">@size = </span><span class="mi">5</span>
<span class="vi">@antiAliased = </span><span class="kc">false</span>
<span class="vi">@knocksOut = </span><span class="kc">false</span>
<span class="nv">parse: </span><span class="o">-></span>
<span class="k">super</span><span class="p">()</span>
<span class="p">[</span>
<span class="nx">@blur</span><span class="p">,</span> <span class="c1"># This seems to be wrong in the specification! - see libpsd</span>
<span class="nx">@intensity</span><span class="p">,</span>
<span class="nx">@angle</span><span class="p">,</span>
<span class="nx">@distance</span>
<span class="p">]</span> <span class="o">=</span> <span class="nx">@file</span><span class="p">.</span><span class="nx">readf</span> <span class="s2">">hiii"</span>
<span class="nx">@file</span><span class="p">.</span><span class="nx">read</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span> <span class="c1"># extra 2 bytes for space. The spec doesn't mention this!</span>
<span class="vi">@color = </span><span class="nx">@getSpaceColor</span><span class="p">()</span>
<span class="p">[</span>
<span class="nx">@signature</span><span class="p">,</span>
<span class="nx">@blendMode</span>
<span class="p">]</span> <span class="o">=</span> <span class="nx">@file</span><span class="p">.</span><span class="nx">readf</span> <span class="s2">">4s4s"</span>
<span class="vi">@enabled = </span><span class="nx">@file</span><span class="p">.</span><span class="nx">readBoolean</span><span class="p">()</span>
<span class="vi">@useAngleInAllFX = </span><span class="nx">@file</span><span class="p">.</span><span class="nx">readBoolean</span><span class="p">()</span>
<span class="p">[</span><span class="nx">@opacity</span><span class="p">]</span> <span class="o">=</span> <span class="nx">@file</span><span class="p">.</span><span class="nx">read</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
<span class="vi">@nativeColor = </span><span class="nx">@getSpaceColor</span><span class="p">()</span> <span class="k">if</span> <span class="nx">@version</span> <span class="o">==</span> <span class="mi">2</span>
<span class="nv">data = </span><span class="p">{}</span>
<span class="k">for</span> <span class="nx">own</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">val</span> <span class="k">of</span> <span class="err">@</span>
<span class="k">continue</span> <span class="k">if</span> <span class="nx">key</span> <span class="o">is</span> <span class="s2">"file"</span>
<span class="nx">data</span><span class="p">[</span><span class="nx">key</span><span class="p">]</span> <span class="o">=</span> <span class="nx">val</span>
<span class="nx">data</span>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
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