Class TAbstractTextureNode

DescriptionHierarchyFieldsMethodsProperties

Unit

Declaration

type TAbstractTextureNode = class(TAbstractAppearanceChildNode)

Description

no description available, TAbstractAppearanceChildNode description follows
no description available, TAbstractNode description follows

Base X3D node.

Almost all X3D nodes inherit from this. (Exception: X3DMetadataObject. So you cannot have metadata of metadata of...)

Hierarchy

Overview

Methods

Protected function AlphaChannelData: TAlphaChannel; virtual;
Public procedure CreateNode; override;
Public function TextureDescription: string; virtual;
Public function AlphaChannel: TAlphaChannel;

Properties

Public property FdEffects: TMFNode read FFdEffects;
Public property FdAlphaChannel: TSFString read FFdAlphaChannel;

Description

Methods

Protected function AlphaChannelData: TAlphaChannel; virtual;

Alpha channel detected from image contents (or children nodes), ignoring our FdAlphaChannel field. Actually set only when image data is loaded (e.g. TAbstractTexture2DNode.IsTextureLoaded in case of TAbstractTexture2DNode descendant).

Public procedure CreateNode; override;
 
Public function TextureDescription: string; virtual;

Short description how texture is defined, is it inline or loaded from URL, is it video of simple image texture. "none" if it's not defined at all.

Calling this may not cause automatically loading the texture data (for exampe, from file in case of TAbstractTexture2DNode). So it cannot describe the actually loaded data.

In this class, simply returns NodeTypeName. Override to say something more descriptive.

Public function AlphaChannel: TAlphaChannel;

Alpha channel of the loaded texture data. Looks at loaded texture data, and at alphaChannel field (see http://castle-engine.sourceforge.net/x3d_extensions.php#section_ext_alpha_channel_detection )

Properties

Public property FdEffects: TMFNode read FFdEffects;
 
Public property FdAlphaChannel: TSFString read FFdAlphaChannel;
 

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