All Classes

A color quantizer that maps an RGBImage to any given palette.

Helper class with static methods to convert between byte arrays and primitive types.

Provides static methods to rotate (in steps of 90 degrees), flip and mirror array elements.

Detects the minimum (in terms of memory) color type of an image.

A wrapper around an AWT MenuBar object.

This abstract class encapsulates all data of a co-occurrence frequency matrix except for the frequency values.

A Bell resample filter.

A codec to read and write Windows BMP image files.

Abstract base class for classes that fill an int array with samples from a rectangular region of an image's channel by (1) copying int samples from an IntegerImage object and by (2) generating samples that lie outside of the image.

Adjusts the brightness of an image.

A bridge class to use BufferedImage objects (class defined in the standard runtime library, package java.awt.image) as RGB24Image objects within JIU.

Apply a clustered dot ordered dither to a grayscale image, converting it to a bilevel image in the process.

This class is an enumeration type for the two modes that an image codec can be used in, CodecMode.LOAD and CodecMode.SAVE.

To be able to do sorting in Java 1.1 as defined in java.util.Arrays (which is only available in Java 1.2 and higher), we offer a java.util.Comparator clone under a different name: ComparatorInterface.

Adjusts the contrast of an image.

Applies a convolution kernel filter to an image.

An interface for co-occurrence matrices.

A dialog to enter the parameters for an image crop operation.

Convenience class that provides a number of static helper methods to deal with dialogs.

Small data class for names of directories that are to be processed.

Represents the state of the editor, including image(s), modified flag, current file name and directories and more.

This class is used to apply error diffusion dithering to images that are being reduced in their color depth.

Corrects the gamma of an image.

A codec to write Compuserve GIF (Graphics Interchange Format) files.

Interface for grayscale images using integer samples that are eight bits large.

An empty interface for grayscale images which have integer values of up to 32 bits (int or smaller) as samples.

An interface for a one-dimensional histogram.

An interface for classes that store three-dimensional histograms.

Internal data class for the on demand histogram.

Adjusts saturation and value of a color image, optionally hue as well.

A codec to read Amiga IFF image files.

The base class for image codecs, operations to read images from or write them to streams.

Returns textual descriptions of the properties of JIU image objects.

An operation that takes several input images and produces one output image.

A modal AWT dialog that displays text in a non-editable text area component (so that it can be selected and easily copied to the system's clipboard).

Extends the PixelImage interface to access image data as int values.

This exception is thrown when the caller has defined an image index that specifies the image to be loaded in a multiple-image file and that index is unavailable.

Graphical user interface application based on the AWT (Abstract Windowing Toolkit, part of Java's standard runtime library since 1.0) that demonstrates features of JIU.

The frame class for the AWT demo program jiuawt.

A command line program to convert between file formats.

Small example command line program to count the number of unique colors in image files.

Contains several constants with information on JIU.

Constants necessary to encode and decode JPEG streams.

Data class to store information on a JPEG frame.

Data class that stores a single Huffman table, including class (AC or DC), ID and codes for the 16 possible bit lengths from 1 to 16.

Data for a JPEG bitstream quantization table.

Data class to store information on one component in one scan.

A line spot function.

An operation that replaces samples with values taken from a lookup table.

This class creates and initializes co-occurrence matrices and co-occurrence frequency matrices.

Filter operation that replaces each sample by the maximum value of itself and its neighbor samples.

Applies a mean filter that replaces each pixel by the mean of itself and its neighbors.

Performs the Median Cut color quantization algorithm in combination with a contour removal algorithm.

An instance of this node class represents a cuboid part of the color cube representing the three-dimensional RGB color space.

Applies a Median filter that replaces each pixel by the median of itself and its neighbors.

An implementation of ByteChannelImage that stores image channels as byte[] arrays in memory.

This class stores a co-occurrence matrix, a two-dimensional array of int counters.

An implementation of Gray8Image that keeps the complete image in memory.

A class to store 24 bit RGB truecolor images in memory.

An implementation of ShortChannelImage that stores image channels as short[] arrays in memory.

Abstract menu wrapper.

Mirrors images (leftmost column becomes rightmost column and vice versa, and so on).

The Mitchell resample filter.

Performs the octree color quantization algorithm for a given RGB truecolor image.

A single node in an octree.

A data class for a three-dimensional histogram, creating counters on demand only, not allocating counters for all possible entries at the beginning.

Exception class to indicate that an operation failed during the execution of the method Operation.process().

This operation reduces the color depth of RGB truecolor images and grayscale images by applying ordered dithering.

This class represents a palette, a list of RGB colors.

This interface defines methods for paletted images.

This class loads and saves palettes.

Convert from YCbCr color space (as used in Kodak PCD files) to RGB.

A codec for the Portable Network Graphics (PNG) format.

A codec to read and write Portable Anymap (PNM) image files.

Performs the popularity color quantization algorithm that maps an image to the colors occurring most frequently in the input image.

Converts BilevelImage and Gray8Image objects to Gray16Image objects.

Converts BilevelImage and Gray8Image objects to Paletted8Image objects.

Converts several image types to RGB48Image.

A dialog to enter the parameters for a grayscale reduction operation.

Reduces the number of shades of gray of a grayscale image.

Resizes grayscale and truecolor images using filters.

An empty interface for RGB truecolor images with integer samples that are each eight bits large (thus, 24 bits per pixel).

This class converts between the 32 bit RGBA int values (used throughout the AWT) and various standard pixel formats like 24 bits RGB, 8 bits gray, 16 bits gray, 1 bit black and white.

Compares two RGBColor objects.

An interface for RGB truecolor images.

An interface for RGB truecolor images that have integer samples.

Converts RGB color images (both truecolor and paletted) to grayscale images.

Rotates images by 90 degrees counter-clockwise (to the left).

A round spot function.

Changes the pixel resolution of an image by replicating (or dropping) pixels.

Shears an image by a given angle.

An extension of the IntegerImage interface that restricts the image to short samples.

An interface for spot functions to be used for clustered dot dithering.

Interface of integer index values to be used with Strings.

String resource for the various apps.

Class to retrieve system information in a human-readable form.

This class determines a number of properties for a given co-occurrence matrix.

This class provides a lot of constant values for a TIFF encoder or decoder.

A TIFF decoder for files compressed with the Deflated method.

A TIFF decoder for files compresseed with the Modified Huffman method (also known as CCITT 1D Modified Huffman Run Length Encoding).

A TIFF decoder for uncompressed TIFF files.

This class encapsulates all data of a TIFF image file directory (IFD).

This encapsulates the data stored in a TIFF tag (a single image file directory entry).

An interface that represents transparency information which may be available for a pixel image.

A color quantizer that maps to a palette which is equidistantly distributed in the RGB color cube.

An unsharp mask kernel to be used with ConvolutionKernelFilter.

This exception is thrown during image loading.

This class creates Palette objects that contain the so-called websafe palette.

This exception is thrown during image loading.

This interface simply provides three integer constants as index values for the three channels of an YCbCr image: gray, blue chrominance and red chrominance.