Castle Game Engine

Introduction

Units

Class Hierarchy

Classes, Interfaces, Objects and Records

Types

Variables

Constants

Functions and Procedures

Identifiers

Class TAbstractTextureNode

DescriptionHierarchyFieldsMethodsProperties

Unit

X3DNodes

Declaration

type TAbstractTextureNode = class(TAbstractAppearanceChildNode)

Description

Base for all nodes which specify sources for texture images.

Hierarchy

Overview

Methods

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

Properties

Public property FdEffects: TMFNode read FFdEffects;
Public property FdCrossOrigin: TSFString read FFdCrossOrigin;
Public property FdAlphaChannel: TSFStringEnum read FFdAlphaChannel;
Public property AlphaChannelField: TAutoAlphaChannel read GetAlphaChannelField write SetAlphaChannelField;
Public property CrossOrigin: string read GetCrossOrigin write SetCrossOrigin;

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 X3DType. Override to say something more descriptive.

Public function AlphaChannelFinal: 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 FdCrossOrigin: TSFString read FFdCrossOrigin;
 
Public property FdAlphaChannel: TSFStringEnum read FFdAlphaChannel;
 
Public property AlphaChannelField: TAutoAlphaChannel read GetAlphaChannelField write SetAlphaChannelField;
 
Public property CrossOrigin: string read GetCrossOrigin write SetCrossOrigin;
 
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