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package com.sun.scenario.effect;

import com.sun.javafx.geom.transform.BaseTransform;

An interface for supplying an object which can simplify effect
chains by rendering some intermediate images directly from the
implementations of the effects.
/**
 * An interface for supplying an object which can simplify effect
 * chains by rendering some intermediate images directly from the
 * implementations of the effects.
 */
public interface ImageDataRenderer {
    
Renders the indicated ImageData to the output with the indicated transform using BILINEAR filtering. This method should only be used by an Effect if there is only a single output or if there are multiple outputs which would have otherwise been combined into a single output using the Porter-Duff SrcOver composite mode. If this method is used to render all image results of an effect operation then the effect may return null as its output result. This method should not save a reference to or modify the reference count on the ImageData argument. /**
     * Renders the indicated {@link ImageData} to the output with the
     * indicated transform using BILINEAR filtering.
     * This method should only be used by an {@link Effect} if there is only
     * a single output or if there are multiple outputs which would have
     * otherwise been combined into a single output using the Porter-Duff
     * SrcOver composite mode.
     * If this method is used to render all image results of an effect
     * operation then the effect may return null as its output result.
     * This method should not save a reference to or modify the reference
     * count on the {@code ImageData} argument.
     */
    public void renderImage(ImageData image,
                            BaseTransform transform,
                            FilterContext fctx);
}