File: X3DNodes.TAbstractTextureNode.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
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<title>Castle Game Engine: X3DNodes: Class TAbstractTextureNode</title>
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<h2>Castle Game Engine</h2><p><a href="introduction.html" class="navigation">Introduction</a></p><p><a href="AllUnits.html" class="navigation">Units</a></p><p><a href="ClassHierarchy.html" class="navigation">Class Hierarchy</a></p><p><a href="AllClasses.html" class="navigation">Classes, Interfaces, Objects and Records</a></p><p><a href="AllTypes.html" class="navigation">Types</a></p><p><a href="AllVariables.html" class="navigation">Variables</a></p><p><a href="AllConstants.html" class="navigation">Constants</a></p><p><a href="AllFunctions.html" class="navigation">Functions and Procedures</a></p><p><a href="AllIdentifiers.html" class="navigation">Identifiers</a></p></td><td class="content">
<a name="TAbstractTextureNode"></a><h1 class="cio">Class TAbstractTextureNode</h1>
<table class="sections wide_list">
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<td><a class="section" href="#PasDoc-Description">Description</a></td><td><a class="section" href="#PasDoc-Hierarchy">Hierarchy</a></td><td>Fields</td><td><a class="section" href="#PasDoc-Methods">Methods</a></td><td><a class="section" href="#PasDoc-Properties">Properties</a></td></tr></table>
<a name="PasDoc-Description"></a><h2 class="unit">Unit</h2>
<p class="unitlink">
<a  href="X3DNodes.html">X3DNodes</a></p>
<h2 class="declaration">Declaration</h2>
<p class="declaration">
<code>type TAbstractTextureNode = class(<a class="normal" href="X3DNodes.TAbstractAppearanceChildNode.html">TAbstractAppearanceChildNode</a>)</code></p>
<h2 class="description">Description</h2>
<div class="nodescription">no description available, TAbstractAppearanceChildNode description follows</div><div class="nodescription">no description available, TAbstractNode description follows</div><p>
Base X3D node.

<p>Almost all X3D nodes inherit from this. (Exception: X3DMetadataObject. So you cannot have metadata of metadata of...)</p>
<a name="PasDoc-Hierarchy"></a><h2 class="hierarchy">Hierarchy</h2>
<ul class="hierarchy"><li class="ancestor">TPersistent</li>
<li class="ancestor"><a class="normal" href="CastleInterfaces.TNonRefCountedInterfacedPersistent.html">TNonRefCountedInterfacedPersistent</a></li>
<li class="ancestor"><a class="normal" href="X3DFields.TX3DFileItem.html">TX3DFileItem</a></li>
<li class="ancestor"><a class="normal" href="X3DNodes.TX3DNode.html">TX3DNode</a></li>
<li class="ancestor"><a class="normal" href="X3DNodes.TAbstractNode.html">TAbstractNode</a></li>
<li class="ancestor"><a class="normal" href="X3DNodes.TAbstractAppearanceChildNode.html">TAbstractAppearanceChildNode</a></li>
<li class="thisitem">TAbstractTextureNode</li></ul><h2 class="overview">Overview</h2>
<a name="PasDoc-Methods"></a><h3 class="summary">Methods</h3>
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<td class="visibility"><a  href="legend.html"><img  src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>function <b><a  href="X3DNodes.TAbstractTextureNode.html#AlphaChannelData">AlphaChannelData</a></b>: <a  href="CastleImages.html#TAlphaChannel">TAlphaChannel</a>; virtual;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>procedure <b><a  href="X3DNodes.TAbstractTextureNode.html#CreateNode">CreateNode</a></b>; override;</code></td>
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<td class="itemcode"><code>function <b><a  href="X3DNodes.TAbstractTextureNode.html#TextureDescription">TextureDescription</a></b>: string; virtual;</code></td>
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<td class="itemcode"><code>function <b><a  href="X3DNodes.TAbstractTextureNode.html#AlphaChannel">AlphaChannel</a></b>: <a  href="CastleImages.html#TAlphaChannel">TAlphaChannel</a>;</code></td>
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<a name="PasDoc-Properties"></a><h3 class="summary">Properties</h3>
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<td class="itemcode"><code>property <b><a  href="X3DNodes.TAbstractTextureNode.html#FdEffects">FdEffects</a></b>: <a  href="X3DNodes.TMFNode.html">TMFNode</a> read FFdEffects;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a  href="X3DNodes.TAbstractTextureNode.html#FdAlphaChannel">FdAlphaChannel</a></b>: <a  href="X3DFields.TSFString.html">TSFString</a> read FFdAlphaChannel;</code></td>
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</table>
<h2 class="description">Description</h2>
<h3 class="detail">Methods</h3>
<table class="detail wide_list">
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<td class="visibility"><a  href="legend.html"><img  src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><a name="AlphaChannelData"></a><code>function <b>AlphaChannelData</b>: <a  href="CastleImages.html#TAlphaChannel">TAlphaChannel</a>; virtual;</code></td>
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<p>
Alpha channel detected from image contents (or children nodes), ignoring our <a class="normal" href="X3DNodes.TAbstractTextureNode.html#FdAlphaChannel">FdAlphaChannel</a> field. Actually set only when image data is loaded (e.g. <a class="normal" href="X3DNodes.TAbstractTexture2DNode.html#IsTextureLoaded">TAbstractTexture2DNode.IsTextureLoaded</a> in case of <a class="normal" href="X3DNodes.TAbstractTexture2DNode.html">TAbstractTexture2DNode</a> descendant).</p>
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<td class="itemcode"><a name="CreateNode"></a><code>procedure <b>CreateNode</b>; override;</code></td>
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&nbsp;</td></tr>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="TextureDescription"></a><code>function <b>TextureDescription</b>: string; virtual;</code></td>
</tr>
<tr><td colspan="2">
<p>
Short description how texture is defined, is it inline or loaded from URL, is it video of simple image texture. &quot;none&quot; if it's not defined at all.

<p>Calling this <i>may not</i> cause automatically loading the texture data (for exampe, from file in case of <a class="normal" href="X3DNodes.TAbstractTexture2DNode.html">TAbstractTexture2DNode</a>). So it cannot describe the actually loaded data.

<p>In this class, simply returns <a class="normal" href="X3DNodes.TX3DNode.html#NodeTypeName">NodeTypeName</a>. Override to say something more descriptive.</p>
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<td class="itemcode"><a name="AlphaChannel"></a><code>function <b>AlphaChannel</b>: <a  href="CastleImages.html#TAlphaChannel">TAlphaChannel</a>;</code></td>
</tr>
<tr><td colspan="2">
<p>
Alpha channel of the loaded texture data. Looks at loaded texture data, and at <code>alphaChannel</code> field (see <a  href="http://castle-engine.sourceforge.net/x3d_extensions.php#section_ext_alpha_channel_detection">http://castle-engine.sourceforge.net/x3d_extensions.php#section_ext_alpha_channel_detection</a> )</p>
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<h3 class="detail">Properties</h3>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="FdEffects"></a><code>property <b>FdEffects</b>: <a  href="X3DNodes.TMFNode.html">TMFNode</a> read FFdEffects;</code></td>
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&nbsp;</td></tr>
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<td class="itemcode"><a name="FdAlphaChannel"></a><code>property <b>FdAlphaChannel</b>: <a  href="X3DFields.TSFString.html">TSFString</a> read FFdAlphaChannel;</code></td>
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&nbsp;</td></tr>
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