| Package | Description |
|---|---|
| javax.imageio |
The main package of the Java Image I/O API.
|
| javax.imageio.plugins.jpeg |
Classes supporting the built-in JPEG plug-in.
|
| Modifier and Type | Method and Description |
|---|---|
ImageReadParam |
ImageReader.getDefaultReadParam()
Returns a default
ImageReadParam object appropriate for this format.
|
| Modifier and Type | Method and Description |
|---|---|
protected static void |
ImageReader.checkReadParamBandSettings(ImageReadParam
A utility method that may be used by readers to test the validity of the source and destination band settings of an
ImageReadParam.
|
protected static void |
ImageReader.computeRegions(ImageReadParam
Computes the source region of interest and the destination region of interest, taking the width and height of the source image, an optional destination image, and an optional
ImageReadParam into account.
|
protected static BufferedImage |
ImageReader.getDestination(ImageReadParam
Returns the
BufferedImage to which decoded pixel data should be written.
|
protected static Rectangle |
ImageReader.getSourceRegion(ImageReadParam
A utility method that may be used by readers to compute the region of the source image that should be read, taking into account any source region and subsampling offset settings in the supplied
ImageReadParam.
|
abstract BufferedImage |
ImageReader.read(int imageIndex, ImageReadParam
Reads the image indexed by
imageIndex and returns it as a complete
BufferedImage, using a supplied
ImageReadParam.
|
IIOImage |
ImageReader.readAll(int imageIndex, ImageReadParam
Reads the image indexed by
imageIndex and returns an
IIOImage containing the image, thumbnails, and associated image metadata, using a supplied
ImageReadParam.
|
RenderedImage |
ImageReader.readAsRenderedImage(int imageIndex, ImageReadParam
Returns a
RenderedImage object that contains the contents of the image indexed by
imageIndex.
|
Raster |
ImageReader.readRaster(int imageIndex, ImageReadParam
Returns a new
Raster object containing the raw pixel data from the image stream, without any color conversion applied.
|
| Modifier and Type | Method and Description |
|---|---|
Iterator |
ImageReader.readAll(Iterator
Returns an
Iterator containing all the images, thumbnails, and metadata, starting at the index given by
getMinIndex, from the input source in the form of
IIOImage objects.
|
| Modifier and Type | Class and Description |
|---|---|
class |
JPEGImageReadParam
This class adds the ability to set JPEG quantization and Huffman tables when using the built-in JPEG reader plug-in.
|