OpenJDK 27 · javax.swing.plaf.nimbus.EffectUtils · APIdia, the JavaDoc alternative

Access	Constructor and Description
pack-priv	EffectUtils()

Method Summary

Modifier and Type	Method and Description
private static void	blur(int[] the source pixels srcPixels, int[] the destination pixels dstPixels, int the width of the source picture width, int the height of the source picture height, float[] the kernel of the blur effect kernel, int the radius of the blur effect radius) Blurs the source pixels into the destination pixels.
pack-priv static void	blur(byte[] the source pixels srcPixels, byte[] the destination pixels dstPixels, int the width of the source picture width, int the height of the source picture height, float[] the kernel of the blur effect kernel, int the radius of the blur effect radius) Blurs the source pixels into the destination pixels.
pack-priv static void	clearImage(BufferedImage The image to clear img) Clear a transparent image to 100% transparent
public static BufferedImage	Returns: a new `BufferedImage`, compatible with the color model of `image` createColorModelCompatibleImage(BufferedImage the reference image from which the color model of the new image is obtained image) Returns a new `BufferedImage` using the same color model as the image passed as a parameter.
public static BufferedImage	Returns: a new translucent compatible `BufferedImage` of the specified width and height createCompatibleTranslucentImage(int the width of the new image width, int the height of the new image height) Returns a new translucent compatible image of the specified width and height.
pack-priv static float[]	createGaussianKernel(int radius)
pack-priv static BufferedImage	Returns: The blurred image gaussianBlur(BufferedImage The image tp src, BufferedImage The destination image to draw blurred src image into, null if you want a new one created dst, int The blur kernel radius radius) Apply Gaussian Blur to Image
private static GraphicsConfiguration	getGraphicsConfiguration()
pack-priv static byte[]	Returns: `pixels` if non-null, a new array of integers otherwise getPixels(BufferedImage the source image img, int the x location at which to start grabbing pixels x, int the y location at which to start grabbing pixels y, int the width of the rectangle of pixels to grab w, int the height of the rectangle of pixels to grab h, byte[] a pre-allocated array of pixels of size w*h; can be null pixels) Returns an array of pixels, stored as integers, from a `BufferedImage`.
public static int[]	Returns: `pixels` if non-null, a new array of integers otherwise getPixels(BufferedImage the source image img, int the x location at which to start grabbing pixels x, int the y location at which to start grabbing pixels y, int the width of the rectangle of pixels to grab w, int the height of the rectangle of pixels to grab h, int[] a pre-allocated array of pixels of size w*h; can be null pixels) Returns an array of pixels, stored as integers, from a `BufferedImage`.
private static boolean	isHeadless()
pack-priv static void	setPixels(BufferedImage the destination image img, int the x location at which to start storing pixels x, int the y location at which to start storing pixels y, int the width of the rectangle of pixels to store w, int the height of the rectangle of pixels to store h, byte[] an array of pixels, stored as integers pixels) Writes a rectangular area of pixels in the destination `BufferedImage`.
public static void	setPixels(BufferedImage the destination image img, int the x location at which to start storing pixels x, int the y location at which to start storing pixels y, int the width of the rectangle of pixels to store w, int the height of the rectangle of pixels to store h, int[] an array of pixels, stored as integers pixels) Writes a rectangular area of pixels in the destination `BufferedImage`.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

EffectUtils	back to summary
pack-priv EffectUtils()

Method Detail

blur	back to summary
private static void blur(int[] srcPixels, int[] dstPixels, int width, int height, float[] kernel, int radius) Blurs the source pixels into the destination pixels. The force of the blur is specified by the radius which must be greater than 0. The source and destination pixels arrays are expected to be in the INT_ARGB format. After this method is executed, dstPixels contains a transposed and filtered copy of srcPixels. Parameters srcPixels:int[] the source pixels dstPixels:int[] the destination pixels width:int the width of the source picture height:int the height of the source picture kernel:float[] the kernel of the blur effect radius:int the radius of the blur effect

blur

back to summary

private static void blur(int[] srcPixels, int[] dstPixels, int width, int height, float[] kernel, int radius)

Blurs the source pixels into the destination pixels. The force of the blur is specified by the radius which must be greater than 0.

The source and destination pixels arrays are expected to be in the INT_ARGB format.

After this method is executed, dstPixels contains a transposed and filtered copy of srcPixels.

Parameters

srcPixels:int[]: the source pixels
dstPixels:int[]: the destination pixels
width:int: the width of the source picture
height:int: the height of the source picture
kernel:float[]: the kernel of the blur effect
radius:int: the radius of the blur effect

blur	back to summary
pack-priv static void blur(byte[] srcPixels, byte[] dstPixels, int width, int height, float[] kernel, int radius) Blurs the source pixels into the destination pixels. The force of the blur is specified by the radius which must be greater than 0. The source and destination pixels arrays are expected to be in the BYTE_GREY format. After this method is executed, dstPixels contains a transposed and filtered copy of srcPixels. Parameters srcPixels:byte[] the source pixels dstPixels:byte[] the destination pixels width:int the width of the source picture height:int the height of the source picture kernel:float[] the kernel of the blur effect radius:int the radius of the blur effect

blur

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pack-priv static void blur(byte[] srcPixels, byte[] dstPixels, int width, int height, float[] kernel, int radius)

Blurs the source pixels into the destination pixels. The force of the blur is specified by the radius which must be greater than 0.

The source and destination pixels arrays are expected to be in the BYTE_GREY format.

After this method is executed, dstPixels contains a transposed and filtered copy of srcPixels.

Parameters

srcPixels:byte[]: the source pixels
dstPixels:byte[]: the destination pixels
width:int: the width of the source picture
height:int: the height of the source picture
kernel:float[]: the kernel of the blur effect
radius:int: the radius of the blur effect

clearImage	back to summary
pack-priv static void clearImage(BufferedImage img) Clear a transparent image to 100% transparent Parameters img:BufferedImage The image to clear

clearImage

back to summary

pack-priv static void clearImage(BufferedImage img)

Clear a transparent image to 100% transparent

Parameters

img:BufferedImage: The image to clear

createColorModelCompatibleImage back to summary

createColorModelCompatibleImage	back to summary
public static BufferedImage createColorModelCompatibleImage(BufferedImage image) Returns a new `BufferedImage` using the same color model as the image passed as a parameter. The returned image is only compatible with the image passed as a parameter. This does not mean the returned image is compatible with the hardware. Parameters image:BufferedImage the reference image from which the color model of the new image is obtained Returns:BufferedImage a new `BufferedImage`, compatible with the color model of `image`

public static BufferedImage createColorModelCompatibleImage(BufferedImage image)

Returns a new BufferedImage using the same color model as the image passed as a parameter. The returned image is only compatible with the image passed as a parameter. This does not mean the returned image is compatible with the hardware.

Parameters

image:BufferedImage: the reference image from which the color model of the new image is obtained

Returns:BufferedImage

a new BufferedImage, compatible with the color model of image

createCompatibleTranslucentImage back to summary

createCompatibleTranslucentImage	back to summary
public static BufferedImage createCompatibleTranslucentImage(int width, int height) Returns a new translucent compatible image of the specified width and height. That is, the returned `BufferedImage` is compatible with the graphics hardware. If the method is called in a headless environment, then the returned BufferedImage will be compatible with the source image. Parameters width:int the width of the new image height:int the height of the new image Returns:BufferedImage a new translucent compatible `BufferedImage` of the specified width and height

public static BufferedImage createCompatibleTranslucentImage(int width, int height)

Returns a new translucent compatible image of the specified width and height. That is, the returned BufferedImage is compatible with the graphics hardware. If the method is called in a headless environment, then the returned BufferedImage will be compatible with the source image.

Parameters

width:int: the width of the new image
height:int: the height of the new image

Returns:BufferedImage

a new translucent compatible BufferedImage of the specified width and height

createGaussianKernel	back to summary
pack-priv static float[] createGaussianKernel(int radius)

gaussianBlur	back to summary
pack-priv static BufferedImage gaussianBlur(BufferedImage src, BufferedImage dst, int radius) Apply Gaussian Blur to Image Parameters src:BufferedImage The image tp dst:BufferedImage The destination image to draw blurred src image into, null if you want a new one created radius:int The blur kernel radius Returns:BufferedImage The blurred image

gaussianBlur

back to summary

pack-priv static BufferedImage gaussianBlur(BufferedImage src, BufferedImage dst, int radius)

Apply Gaussian Blur to Image

Parameters

src:BufferedImage: The image tp
dst:BufferedImage: The destination image to draw blurred src image into, null if you want a new one created
radius:int: The blur kernel radius

Returns:BufferedImage

The blurred image

getGraphicsConfiguration	back to summary
private static GraphicsConfiguration getGraphicsConfiguration()

getPixels back to summary

getPixels	back to summary
pack-priv static byte[] getPixels(BufferedImage img, int x, int y, int w, int h, byte[] pixels) Returns an array of pixels, stored as integers, from a `BufferedImage`. The pixels are grabbed from a rectangular area defined by a location and two dimensions. Calling this method on an image of type different from `BufferedImage.TYPE_INT_ARGB` and `BufferedImage.TYPE_INT_RGB` will unmanage the image. Parameters img:BufferedImage the source image x:int the x location at which to start grabbing pixels y:int the y location at which to start grabbing pixels w:int the width of the rectangle of pixels to grab h:int the height of the rectangle of pixels to grab pixels:byte[] a pre-allocated array of pixels of size wh; can be null Returns:byte[] `pixels` if non-null, a new array of integers otherwise Exceptions IllegalArgumentException: is `pixels` is non-null and of length < wh

pack-priv static byte[] getPixels(BufferedImage img, int x, int y, int w, int h, byte[] pixels)

Returns an array of pixels, stored as integers, from a BufferedImage. The pixels are grabbed from a rectangular area defined by a location and two dimensions. Calling this method on an image of type different from BufferedImage.TYPE_INT_ARGB and BufferedImage.TYPE_INT_RGB will unmanage the image.

Parameters

img:BufferedImage: the source image
x:int: the x location at which to start grabbing pixels
y:int: the y location at which to start grabbing pixels
w:int: the width of the rectangle of pixels to grab
h:int: the height of the rectangle of pixels to grab
pixels:byte[]: a pre-allocated array of pixels of size w*h; can be null

Returns:byte[]

pixels if non-null, a new array of integers otherwise

Exceptions

IllegalArgumentException:: is pixels is non-null and of length < w*h

getPixels back to summary

getPixels	back to summary
public static int[] getPixels(BufferedImage img, int x, int y, int w, int h, int[] pixels) Returns an array of pixels, stored as integers, from a `BufferedImage`. The pixels are grabbed from a rectangular area defined by a location and two dimensions. Calling this method on an image of type different from `BufferedImage.TYPE_INT_ARGB` and `BufferedImage.TYPE_INT_RGB` will unmanage the image. Parameters img:BufferedImage the source image x:int the x location at which to start grabbing pixels y:int the y location at which to start grabbing pixels w:int the width of the rectangle of pixels to grab h:int the height of the rectangle of pixels to grab pixels:int[] a pre-allocated array of pixels of size wh; can be null Returns:int[] `pixels` if non-null, a new array of integers otherwise Exceptions IllegalArgumentException: is `pixels` is non-null and of length < wh

public static int[] getPixels(BufferedImage img, int x, int y, int w, int h, int[] pixels)

Parameters

img:BufferedImage: the source image
x:int: the x location at which to start grabbing pixels
y:int: the y location at which to start grabbing pixels
w:int: the width of the rectangle of pixels to grab
h:int: the height of the rectangle of pixels to grab
pixels:int[]: a pre-allocated array of pixels of size w*h; can be null

Returns:int[]

pixels if non-null, a new array of integers otherwise

Exceptions

IllegalArgumentException:: is pixels is non-null and of length < w*h

isHeadless	back to summary
private static boolean isHeadless()

setPixels back to summary

setPixels	back to summary
pack-priv static void setPixels(BufferedImage img, int x, int y, int w, int h, byte[] pixels) Writes a rectangular area of pixels in the destination `BufferedImage`. Calling this method on an image of type different from `BufferedImage.TYPE_INT_ARGB` and `BufferedImage.TYPE_INT_RGB` will unmanage the image. Parameters img:BufferedImage the destination image x:int the x location at which to start storing pixels y:int the y location at which to start storing pixels w:int the width of the rectangle of pixels to store h:int the height of the rectangle of pixels to store pixels:byte[] an array of pixels, stored as integers Exceptions IllegalArgumentException: is `pixels` is non-null and of length < w*h

pack-priv static void setPixels(BufferedImage img, int x, int y, int w, int h, byte[] pixels)

Writes a rectangular area of pixels in the destination BufferedImage. Calling this method on an image of type different from BufferedImage.TYPE_INT_ARGB and BufferedImage.TYPE_INT_RGB will unmanage the image.

Parameters

img:BufferedImage: the destination image
x:int: the x location at which to start storing pixels
y:int: the y location at which to start storing pixels
w:int: the width of the rectangle of pixels to store
h:int: the height of the rectangle of pixels to store
pixels:byte[]: an array of pixels, stored as integers

Exceptions

IllegalArgumentException:: is pixels is non-null and of length < w*h

setPixels back to summary

setPixels	back to summary
public static void setPixels(BufferedImage img, int x, int y, int w, int h, int[] pixels) Writes a rectangular area of pixels in the destination `BufferedImage`. Calling this method on an image of type different from `BufferedImage.TYPE_INT_ARGB` and `BufferedImage.TYPE_INT_RGB` will unmanage the image. Parameters img:BufferedImage the destination image x:int the x location at which to start storing pixels y:int the y location at which to start storing pixels w:int the width of the rectangle of pixels to store h:int the height of the rectangle of pixels to store pixels:int[] an array of pixels, stored as integers Exceptions IllegalArgumentException: is `pixels` is non-null and of length < w*h

public static void setPixels(BufferedImage img, int x, int y, int w, int h, int[] pixels)

Parameters

img:BufferedImage: the destination image
x:int: the x location at which to start storing pixels
y:int: the y location at which to start storing pixels
w:int: the width of the rectangle of pixels to store
h:int: the height of the rectangle of pixels to store
pixels:int[]: an array of pixels, stored as integers

Exceptions

IllegalArgumentException:: is pixels is non-null and of length < w*h

pack-priv Class EffectUtils

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Constructor Detail

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