JavaFX 24 · com.sun.scenario.effect.impl.state.GaussianRenderState

Modifier and Type	Field and Description
private float	inputRadiusX
private float	inputRadiusY
private BaseTransform	inputtx
private boolean	isShadow
public static final float	MAX_RADIUS
private float	passRadius
private LinearConvolveRenderState.PassType	passType
private BaseTransform	resulttx
private float[]	samplevectors
private Color4f	shadowColor
private RenderState.EffectCoordinateSpace	space
private float	spread
private float	spreadPass
private int	validatedPass
private FloatBuffer	weights
private float	weightsValidRadius
private float	weightsValidSpread

Access	Constructor and Description
public	GaussianRenderState(float the Gaussian radius along the user space X axis xradius, float the Gaussian radius along the user space Y axis yradius, float the spread amount spread, boolean true if this is a shadow operation isShadow, Color4f the color of the shadow operation shadowColor, BaseTransform the transform applied to the filter operation filtertx) Constructs a `RenderState` for a 2 dimensional Gaussian convolution.
public	GaussianRenderState(float the Gaussian radius along the indicated direction radius, float the delta X of the unit vector along which to apply the convolution dx, float the delta Y of the unit vector along which to apply the convolution dy, BaseTransform the transform applied to the filter operation filtertx) Constructs a `RenderState` for a single dimensional, directional Gaussian convolution (as for a MotionBlur operation).

Method Summary

Modifier and Type	Method and Description
public RenderState.EffectCoordinateSpace	getEffectTransformSpace() Implements com.sun.scenario.effect.impl.state.RenderState.getEffectTransformSpace. Return a hint indicating which coordinate space should be used for the pixel filtering for this particular filtering operation.
pack-priv static FloatBuffer	getGaussianWeights(FloatBuffer weights, int pad, float radius, float spread)
public Rectangle	getInputClip(int the index of the input being processed i, Rectangle the output clip supplied to the given filter operation filterClip) Implements com.sun.scenario.effect.impl.state.RenderState.getInputClip. Return the clip for the indicated input based on the indicated output clip.
public int	getInputKernelSize(int the pass for which the intended kernel size is desired pass) Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getInputKernelSize. Returns the size of the desired convolution kernel for the given pass as it would be applied in the coordinate space indicated by the `getInputKernelSize(int)` method.
public BaseTransform	getInputTransform(BaseTransform the `BaseTransform` object for the filter operation filterTransform) Implements com.sun.scenario.effect.impl.state.RenderState.getInputTransform. Return the transform that should be used to obtain pixel input from the `Effect` inputs for this filter operation.
public int	getPassKernelSize() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassKernelSize. Returns the appropriate kernel size for the pass that was last validated using validateInput().
public Rectangle	getPassResultBounds(Rectangle the bounds of the input image srcdimension, Rectangle the area needed for the final result outputClip) Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassResultBounds. Returns the size of the scaled result image needed to hold the output for the currently validated pass with the indicated input dimensions and output clip.
public float[]	getPassShadowColorComponents() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassShadowColorComponents. For a shadow convolution operation, return the 4 float versions of the color components, in the range `[0, 1]` for the shadow color to be substituted for the input colors.
public LinearConvolveRenderState.PassType	getPassType() Overrides com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassType. Return a hint about the way that the weights will be applied to the pixels for the currently validated pass.
public float[]	getPassVector() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassVector. Returns an array of 4 floats used to initialize a float4 Shader constant with the relative starting location of the first weight in the convolution kernel and the incremental offset between each sample to be weighted and accumulated.
public FloatBuffer	getPassWeights() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassWeights. A `FloatBuffer` padded out to the required size as specified by the `getPeerSize()` method filled with the convolution weights needed for the currently validated pass.
public int	getPassWeightsArrayLength() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassWeightsArrayLength. Returns the maximum number of valid float4 elements that should be referenced from the buffer returned by getWeights() for the currently validated pass.
public BaseTransform	getResultTransform(BaseTransform the `BaseTransform` object for the filter operation filterTransform) Implements com.sun.scenario.effect.impl.state.RenderState.getResultTransform. Return the transform that should be used to transform the results of the filter operation.
public Color4f	getShadowColor() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getShadowColor. Returns the `Color4f` representing the shadow color if this is a shadow operation.
public boolean	isNop() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isNop. Returns true if the resulting operation is globally a NOP operation.
public boolean	isPassNop() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isPassNop. Returns true if the operation of the currently validated pass would be a NOP operation.
public boolean	isShadow() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isShadow. Returns true if this is a shadow convolution operation where a constant color is substituted for the color components of the output.
public ImageData	validatePassInput(ImageData the `ImageData` object supplied by the source effect src, int the pass of the operation being applied (usually horizontal for pass 0 and vertical for pass 1) pass) Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.validatePassInput. Validates the `RenderState` object for a given pass of the convolution.
private void	validateWeights()

Inherited from com.sun.scenario.effect.impl.state.LinearConvolveRenderState:: getPassPeer getPeerSize nearOne nearZero

inputRadiusX	back to summary
private float inputRadiusX

inputRadiusY	back to summary
private float inputRadiusY

inputtx	back to summary
private BaseTransform inputtx

isShadow	back to summary
private boolean isShadow

MAX_RADIUS	back to summary
public static final float MAX_RADIUS

passRadius	back to summary
private float passRadius

passType	back to summary
private LinearConvolveRenderState.PassType passType

resulttx	back to summary
private BaseTransform resulttx

samplevectors	back to summary
private float[] samplevectors

shadowColor	back to summary
private Color4f shadowColor

space	back to summary
private RenderState.EffectCoordinateSpace space

spread	back to summary
private float spread

spreadPass	back to summary
private float spreadPass

validatedPass	back to summary
private int validatedPass

weights	back to summary
private FloatBuffer weights

weightsValidRadius	back to summary
private float weightsValidRadius

weightsValidSpread	back to summary
private float weightsValidSpread

GaussianRenderState	back to summary
public GaussianRenderState(float xradius, float yradius, float spread, boolean isShadow, Color4f shadowColor, BaseTransform filtertx) Constructs a `RenderState` for a 2 dimensional Gaussian convolution. Parameters xradius:float the Gaussian radius along the user space X axis yradius:float the Gaussian radius along the user space Y axis spread:float the spread amount isShadow:boolean true if this is a shadow operation shadowColor:Color4f the color of the shadow operation filtertx:BaseTransform the transform applied to the filter operation

GaussianRenderState	back to summary
public GaussianRenderState(float radius, float dx, float dy, BaseTransform filtertx) Constructs a `RenderState` for a single dimensional, directional Gaussian convolution (as for a MotionBlur operation). Parameters radius:float the Gaussian radius along the indicated direction dx:float the delta X of the unit vector along which to apply the convolution dy:float the delta Y of the unit vector along which to apply the convolution filtertx:BaseTransform the transform applied to the filter operation

Method Detail

getEffectTransformSpace back to summary

getEffectTransformSpace	back to summary
public RenderState.EffectCoordinateSpace getEffectTransformSpace() Implements com.sun.scenario.effect.impl.state.RenderState.getEffectTransformSpace. Doc from com.sun.scenario.effect.impl.state.RenderState.getEffectTransformSpace. Return a hint indicating which coordinate space should be used for the pixel filtering for this particular filtering operation. The `getEffectTransform()` and `getResultTransform()` methods will always be used to get the actual transforms to be used to get input data and transform the results, but this method can help to set the expectations of the caller to optimize techniques. Returns:RenderState.EffectCoordinateSpace an `EffectSpace` value to describe the expected output from the `getEffectTransform(...)` and `getResultTransform(...)` methods. Annotations @Override

public RenderState.EffectCoordinateSpace getEffectTransformSpace()

Implements com.sun.scenario.effect.impl.state.RenderState.getEffectTransformSpace.

Doc from com.sun.scenario.effect.impl.state.RenderState.getEffectTransformSpace.

Return a hint indicating which coordinate space should be used for the pixel filtering for this particular filtering operation. The getEffectTransform() and getResultTransform() methods will always be used to get the actual transforms to be used to get input data and transform the results, but this method can help to set the expectations of the caller to optimize techniques.

Returns:RenderState.EffectCoordinateSpace

an EffectSpace value to describe the expected output from the getEffectTransform(...) and getResultTransform(...) methods.

Annotations

@Override

getGaussianWeights	back to summary
pack-priv static FloatBuffer getGaussianWeights(FloatBuffer weights, int pad, float radius, float spread)

getInputClip	back to summary
public Rectangle getInputClip(int i, Rectangle filterClip) Implements com.sun.scenario.effect.impl.state.RenderState.getInputClip. Doc from com.sun.scenario.effect.impl.state.RenderState.getInputClip. Return the clip for the indicated input based on the indicated output clip. Parameters i:int the index of the input being processed filterClip:Rectangle the output clip supplied to the given filter operation Returns:Rectangle the required rectangle from the indicated input to provide enough pixels to produce the indicated output clip Annotations @Override

getInputClip

back to summary

public Rectangle getInputClip(int i, Rectangle filterClip)

Implements com.sun.scenario.effect.impl.state.RenderState.getInputClip.

Doc from com.sun.scenario.effect.impl.state.RenderState.getInputClip.

Return the clip for the indicated input based on the indicated output clip.

Parameters

i:int: the index of the input being processed
filterClip:Rectangle: the output clip supplied to the given filter operation

Returns:Rectangle

the required rectangle from the indicated input to provide enough pixels to produce the indicated output clip

Annotations

@Override

getInputKernelSize back to summary

getInputKernelSize	back to summary
public int getInputKernelSize(int pass) Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getInputKernelSize. Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getInputKernelSize. Returns the size of the desired convolution kernel for the given pass as it would be applied in the coordinate space indicated by the `getInputKernelSize(int)` method. This value is calculated at the start of the render operation and does not vary as the filter operation progresses, but it may not represent the actual kernel size used when the indicated pass actually occurs if the `validatePassInput()` method needs to choose different values when it sees the incoming image source. Parameters pass:int the pass for which the intended kernel size is desired Returns:int the intended kernel size for the requested pass Annotations @Override

public int getInputKernelSize(int pass)

Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getInputKernelSize.

Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getInputKernelSize.

Returns the size of the desired convolution kernel for the given pass as it would be applied in the coordinate space indicated by the getInputKernelSize(int) method. This value is calculated at the start of the render operation and does not vary as the filter operation progresses, but it may not represent the actual kernel size used when the indicated pass actually occurs if the validatePassInput() method needs to choose different values when it sees the incoming image source.

Parameters

pass:int: the pass for which the intended kernel size is desired

Returns:int

the intended kernel size for the requested pass

Annotations

@Override

getInputTransform back to summary

getInputTransform	back to summary
public BaseTransform getInputTransform(BaseTransform filterTransform) Implements com.sun.scenario.effect.impl.state.RenderState.getInputTransform. Doc from com.sun.scenario.effect.impl.state.RenderState.getInputTransform. Return the transform that should be used to obtain pixel input from the `Effect` inputs for this filter operation. The returned transform is handed to all input `Effect` objects to obtain pixel data for the inputs. Typically, the output of `getInputTransform(transform)` and `getResultTransform(transform)` could be concatenated to produce the original `filterTransform`. Parameters filterTransform:BaseTransform the `BaseTransform` object for the filter operation Returns:BaseTransform the `BaseTransform` object to use for the input effects Annotations @Override

public BaseTransform getInputTransform(BaseTransform filterTransform)

Implements com.sun.scenario.effect.impl.state.RenderState.getInputTransform.

Doc from com.sun.scenario.effect.impl.state.RenderState.getInputTransform.

Return the transform that should be used to obtain pixel input from the Effect inputs for this filter operation. The returned transform is handed to all input Effect objects to obtain pixel data for the inputs. Typically, the output of getInputTransform(transform) and getResultTransform(transform) could be concatenated to produce the original filterTransform.

Parameters

filterTransform:BaseTransform: the BaseTransform object for the filter operation

Returns:BaseTransform

the BaseTransform object to use for the input effects

Annotations

@Override

getPassKernelSize	back to summary
public int getPassKernelSize() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassKernelSize. Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassKernelSize. Returns the appropriate kernel size for the pass that was last validated using validateInput(). Returns:int the pixel kernel size of the current pass Annotations @Override

getPassKernelSize

back to summary

public int getPassKernelSize()

Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassKernelSize.

Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassKernelSize.

Returns the appropriate kernel size for the pass that was last validated using validateInput().

Returns:int

the pixel kernel size of the current pass

Annotations

@Override

getPassResultBounds	back to summary
public Rectangle getPassResultBounds(Rectangle srcdimension, Rectangle outputClip) Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassResultBounds. Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassResultBounds. Returns the size of the scaled result image needed to hold the output for the currently validated pass with the indicated input dimensions and output clip. The image may be further scaled after the shader operation is through to obtain the final result bounds. This value is only of use to the actual shader to understand exactly how much room to allocate for the shader result. Parameters srcdimension:Rectangle the bounds of the input image outputClip:Rectangle the area needed for the final result Returns:Rectangle the bounds of the result image for the current pass Annotations @Override

getPassResultBounds

back to summary

public Rectangle getPassResultBounds(Rectangle srcdimension, Rectangle outputClip)

Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassResultBounds.

Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassResultBounds.

Returns the size of the scaled result image needed to hold the output for the currently validated pass with the indicated input dimensions and output clip. The image may be further scaled after the shader operation is through to obtain the final result bounds. This value is only of use to the actual shader to understand exactly how much room to allocate for the shader result.

Parameters

srcdimension:Rectangle: the bounds of the input image
outputClip:Rectangle: the area needed for the final result

Returns:Rectangle

the bounds of the result image for the current pass

Annotations

@Override

getPassShadowColorComponents back to summary

getPassShadowColorComponents	back to summary
public float[] getPassShadowColorComponents() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassShadowColorComponents. Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassShadowColorComponents. For a shadow convolution operation, return the 4 float versions of the color components, in the range `[0, 1]` for the shadow color to be substituted for the input colors. This method will only be called if `isShadow()` returns true. Returns:float[] the array of 4 floats representing the shadow color components Annotations @Override

public float[] getPassShadowColorComponents()

Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassShadowColorComponents.

Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassShadowColorComponents.

For a shadow convolution operation, return the 4 float versions of the color components, in the range [0, 1] for the shadow color to be substituted for the input colors. This method will only be called if isShadow() returns true.

Returns:float[]

the array of 4 floats representing the shadow color components

Annotations

@Override

getPassType back to summary

getPassType	back to summary
public LinearConvolveRenderState.PassType getPassType() Overrides com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassType. Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassType. Return a hint about the way that the weights will be applied to the pixels for the currently validated pass. Returns:LinearConvolveRenderState.PassType the appropriate `PassType` that describes the filtering operation for this pass of the algorithm Annotations @Override

public LinearConvolveRenderState.PassType getPassType()

Overrides com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassType.

Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassType.

Return a hint about the way that the weights will be applied to the pixels for the currently validated pass.

Returns:LinearConvolveRenderState.PassType

the appropriate PassType that describes the filtering operation for this pass of the algorithm

Annotations

@Override

getPassVector back to summary

getPassVector	back to summary
public float[] getPassVector() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassVector. Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassVector. Returns an array of 4 floats used to initialize a float4 Shader constant with the relative starting location of the first weight in the convolution kernel and the incremental offset between each sample to be weighted and accumulated. The values are stored in the array in the following order: shadervec.x = vector[0] = incdx // X delta between subsequent samples shadervec.y = vector[1] = incdy // Y delta between subsequent samples shadervec.z = vector[2] = startdx // X offset to first convolution sample shadervec.w = vector[3] = startdy // Y offset to first convolution sample These values are used in the shader loop as follows: samplelocation = outputpixellocation.xy + shadervec.zw; for (each weight) { sum += weight * sample(samplelocation.xy); samplelocation.xy += shadervec.xy; } The values are relative to the texture coordinate space which are normalized to the range [0,1] over the source texture. Returns:float[] an array of 4 floats representing `[ incdx, incdy, startdx, startdy ]` Annotations @Override

public float[] getPassVector()

Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassVector.

Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassVector.

Returns an array of 4 floats used to initialize a float4 Shader constant with the relative starting location of the first weight in the convolution kernel and the incremental offset between each sample to be weighted and accumulated. The values are stored in the array in the following order:

    shadervec.x = vector[0] = incdx // X delta between subsequent samples
    shadervec.y = vector[1] = incdy // Y delta between subsequent samples
    shadervec.z = vector[2] = startdx // X offset to first convolution sample
    shadervec.w = vector[3] = startdy // Y offset to first convolution sample

These values are used in the shader loop as follows:

    samplelocation = outputpixellocation.xy + shadervec.zw;
    for (each weight) {
        sum += weight * sample(samplelocation.xy);
        samplelocation.xy += shadervec.xy;
    }

The values are relative to the texture coordinate space which are normalized to the range [0,1] over the source texture.

Returns:float[]

an array of 4 floats representing [ incdx, incdy, startdx, startdy ]

Annotations

@Override

getPassWeights back to summary

getPassWeights	back to summary
public FloatBuffer getPassWeights() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassWeights. Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassWeights. A `FloatBuffer` padded out to the required size as specified by the `getPeerSize()` method filled with the convolution weights needed for the currently validated pass. Returns:FloatBuffer a `FloatBuffer` containing the kernel convolution weights Annotations @Override

public FloatBuffer getPassWeights()

Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassWeights.

Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassWeights.

A FloatBuffer padded out to the required size as specified by the getPeerSize() method filled with the convolution weights needed for the currently validated pass.

Returns:FloatBuffer

a FloatBuffer containing the kernel convolution weights

Annotations

@Override

getPassWeightsArrayLength	back to summary
public int getPassWeightsArrayLength() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassWeightsArrayLength. Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassWeightsArrayLength. Returns the maximum number of valid float4 elements that should be referenced from the buffer returned by getWeights() for the currently validated pass. Returns:int the maximum number of valid float4 elements in the weights buffer Annotations @Override

getPassWeightsArrayLength

back to summary

public int getPassWeightsArrayLength()

Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassWeightsArrayLength.

Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getPassWeightsArrayLength.

Returns the maximum number of valid float4 elements that should be referenced from the buffer returned by getWeights() for the currently validated pass.

Returns:int

the maximum number of valid float4 elements in the weights buffer

Annotations

@Override

getResultTransform back to summary

getResultTransform	back to summary
public BaseTransform getResultTransform(BaseTransform filterTransform) Implements com.sun.scenario.effect.impl.state.RenderState.getResultTransform. Doc from com.sun.scenario.effect.impl.state.RenderState.getResultTransform. Return the transform that should be used to transform the results of the filter operation. The returned transform is combined with the resulting filter result texture to produce an output ImageData object. Typically, the output of `getInputTransform(transform)` and `getResultTransform(transform)` could be concatenated to produce the original `filterTransform`. Parameters filterTransform:BaseTransform the `BaseTransform` object for the filter operation Returns:BaseTransform the `BaseTransform` object to be applied to the result texture Annotations @Override

public BaseTransform getResultTransform(BaseTransform filterTransform)

Implements com.sun.scenario.effect.impl.state.RenderState.getResultTransform.

Doc from com.sun.scenario.effect.impl.state.RenderState.getResultTransform.

Return the transform that should be used to transform the results of the filter operation. The returned transform is combined with the resulting filter result texture to produce an output ImageData object. Typically, the output of getInputTransform(transform) and getResultTransform(transform) could be concatenated to produce the original filterTransform.

Parameters

filterTransform:BaseTransform: the BaseTransform object for the filter operation

Returns:BaseTransform

the BaseTransform object to be applied to the result texture

Annotations

@Override

getShadowColor back to summary

getShadowColor	back to summary
public Color4f getShadowColor() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getShadowColor. Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getShadowColor. Returns the `Color4f` representing the shadow color if this is a shadow operation. This value is dependent only on the original `Effect` from which this `RenderState` was instantiated and does not vary as the filter operation progresses. Returns:Color4f the `Color4f` for the shadow color, or null Annotations @Override

public Color4f getShadowColor()

Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getShadowColor.

Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.getShadowColor.

Returns the Color4f representing the shadow color if this is a shadow operation. This value is dependent only on the original Effect from which this RenderState was instantiated and does not vary as the filter operation progresses.

Returns:Color4f

the Color4f for the shadow color, or null

Annotations

@Override

isNop	back to summary
public boolean isNop() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isNop. Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isNop. Returns true if the resulting operation is globally a NOP operation. This condition is calculated at the start of the render operation and is based on whether the perturbations of the convolution kernel would be noticeable at all in the coordinate space of the output. Returns:boolean true if the operation is a global NOP Annotations @Override

isNop

back to summary

public boolean isNop()

Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isNop.

Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isNop.

Returns true if the resulting operation is globally a NOP operation. This condition is calculated at the start of the render operation and is based on whether the perturbations of the convolution kernel would be noticeable at all in the coordinate space of the output.

Returns:boolean

true if the operation is a global NOP

Annotations

@Override

isPassNop	back to summary
public boolean isPassNop() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isPassNop. Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isPassNop. Returns true if the operation of the currently validated pass would be a NOP operation. Returns:boolean true if the current pass is a NOP Annotations @Override

isPassNop

back to summary

public boolean isPassNop()

Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isPassNop.

Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isPassNop.

Returns true if the operation of the currently validated pass would be a NOP operation.

Returns:boolean

true if the current pass is a NOP

Annotations

@Override

isShadow back to summary

isShadow	back to summary
public boolean isShadow() Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isShadow. Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isShadow. Returns true if this is a shadow convolution operation where a constant color is substituted for the color components of the output. This value is dependent only on the original `Effect` from which this `RenderState` was instantiated and does not vary as the filter operation progresses. Returns:boolean true if this is a shadow operation Annotations @Override

public boolean isShadow()

Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isShadow.

Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.isShadow.

Returns true if this is a shadow convolution operation where a constant color is substituted for the color components of the output. This value is dependent only on the original Effect from which this RenderState was instantiated and does not vary as the filter operation progresses.

Returns:boolean

true if this is a shadow operation

Annotations

@Override

validatePassInput back to summary

validatePassInput	back to summary
public ImageData validatePassInput(ImageData src, int pass) Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.validatePassInput. Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.validatePassInput. Validates the `RenderState` object for a given pass of the convolution. The supplied source image is provided so that the `RenderState` object can determine if it needs to change its strategy for how the convolution operation will be performed and to scale its data for the `getPass*()` methods relative to the source dimensions and transform. Parameters src:ImageData the `ImageData` object supplied by the source effect pass:int the pass of the operation being applied (usually horizontal for pass 0 and vertical for pass 1) Returns:ImageData the `ImageData` to be used for the actual convolution operation Annotations @Override

public ImageData validatePassInput(ImageData src, int pass)

Implements abstract com.sun.scenario.effect.impl.state.LinearConvolveRenderState.validatePassInput.

Doc from com.sun.scenario.effect.impl.state.LinearConvolveRenderState.validatePassInput.

Validates the RenderState object for a given pass of the convolution. The supplied source image is provided so that the RenderState object can determine if it needs to change its strategy for how the convolution operation will be performed and to scale its data for the getPass*() methods relative to the source dimensions and transform.

Parameters

src:ImageData: the ImageData object supplied by the source effect
pass:int: the pass of the operation being applied (usually horizontal for pass 0 and vertical for pass 1)

Returns:ImageData

the ImageData to be used for the actual convolution operation

Annotations

@Override

validateWeights	back to summary
private void validateWeights()

public Class GaussianRenderState

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