de.javagl.jgltf.model

Class Accessors

java.lang.Object

de.javagl.jgltf.model.Accessors

public class Accessors
extends java.lang.Object

Utility methods related to accessor properties.

Unless otherwise noted, none of the arguments to these methods may be null.

Method Summary

Modifier and Type	Method and Description
static java.lang.Class<?>	getDataTypeForAccessorComponentType(int componentType) Returns the data type for the given accessor component type.
static int	getNumBytesForAccessorComponentType(int componentType) Returns the number of bytes that one component with the given accessor component type consists of.
static int	getNumComponentsForAccessorType(java.lang.String accessorType) Returns the number of components that one element has for the given accessor type.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getNumComponentsForAccessorType

public static int getNumComponentsForAccessorType(java.lang.String accessorType)

Returns the number of components that one element has for the given accessor type. Valid parameters are

 "SCALAR" :  1
 "VEC2"   :  2 
 "VEC3"   :  3 
 "VEC4"   :  4 
 "MAT2"   :  4 
 "MAT3"   :  9 
 "MAT4"   : 16
 

Parameters:

accessorType - The accessor type.

Returns:

The number of components

Throws:

java.lang.IllegalArgumentException - If the given type is none of the valid parameters

getNumBytesForAccessorComponentType

public static int getNumBytesForAccessorComponentType(int componentType)

Returns the number of bytes that one component with the given accessor component type consists of. Valid parameters are

 GL_BYTE           : 1
 GL_UNSIGNED_BYTE  : 1 
 GL_SHORT          : 2 
 GL_UNSIGNED_SHORT : 2 
 GL_INT            : 4 
 GL_UNSIGNED_INT   : 4 
 GL_FLOAT          : 4
 

Parameters:

componentType - The component type

Returns:

The number of bytes

Throws:

java.lang.IllegalArgumentException - If the given type is none of the valid parameters

getDataTypeForAccessorComponentType

public static java.lang.Class<?> getDataTypeForAccessorComponentType(int componentType)

Returns the data type for the given accessor component type. Valid parameters and their return values are

 GL_BYTE           : byte.class
 GL_UNSIGNED_BYTE  : byte.class
 GL_SHORT          : short.class 
 GL_UNSIGNED_SHORT : short.class
 GL_INT            : int.class 
 GL_UNSIGNED_INT   : int.class
 GL_FLOAT          : float.class
 

Parameters:

componentType - The component type

Returns:

The data type

Throws:

java.lang.IllegalArgumentException - If the given type is none of the valid parameters