IT. Expert System.

Direct Known Subclasses:

FilterGraphEffect, IdentityEffect, SingleFilterEffect

public abstract class FilterEffect
extends Effect

• Field Summary

  Fields

  Modifier and Type	Field and Description
  protected EffectContext	mEffectContext

• Constructor Summary

  Constructors

  Modifier	Constructor and Description
  protected	FilterEffect(EffectContext context, String name) Protected constructor as FilterEffects should be created by Factory.

• Method Summary

  Methods

  Modifier and Type	Method and Description
  protected void	beginGLEffect() Call this before manipulating the GL context.
  protected void	endGLEffect() Call this after manipulating the GL context.
  protected Frame	frameFromTexture(int texId, int width, int height) Converts a texture into a Frame.
  protected FilterContext	getFilterContext() Returns the active filter context for this effect.
  String	getName() Get the effect name.

  • Methods inherited from class android.media.effect.Effect

    apply, release, setParameter, setUpdateListener

  • Methods inherited from class java.lang.Object

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

• Field Detail

  • mEffectContext

    protected EffectContext mEffectContext

• Constructor Detail

  • FilterEffect

    protected FilterEffect(EffectContext context,
                String name)

    Protected constructor as FilterEffects should be created by Factory.

• Method Detail

  • getName

    public String getName()

    Get the effect name. Returns the unique name of the effect, which matches the name used for instantiating this effect by the EffectFactory.

    Specified by:

    getName in class Effect

    Returns:

    The name of the effect.

  • beginGLEffect

    protected void beginGLEffect()

    Call this before manipulating the GL context. Will assert that the GL environment is in a valid state, and save it.

  • endGLEffect

    protected void endGLEffect()

    Call this after manipulating the GL context. Restores the previous GL state.

  • getFilterContext

    protected FilterContext getFilterContext()

    Returns the active filter context for this effect.

  • frameFromTexture

    protected Frame frameFromTexture(int texId,
                         int width,
                         int height)

    Converts a texture into a Frame.