Package com.markvarga21.studentmanager.util

Class ImageCompressor

java.lang.Object

com.markvarga21.studentmanager.util.ImageCompressor

public final class ImageCompressor
extends Object

A class which is used to compress images.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_SIZE_LIMIT	The maximum file size accepted by the database in bytes.
static final float	SCALE_DECREASE_STEP	The scale of which the image is decreased in each step.

Method Summary

Modifier and Type	Method	Description
static byte[]	compressImage(org.springframework.web.multipart.MultipartFile image)	Compresses the given image.
static byte[]	toByteArray(BufferedImage bi, String format)	Converts the given image to a byte array.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

SCALE_DECREASE_STEP

public static final float SCALE_DECREASE_STEP

The scale of which the image is decreased in each step.

See Also:

• Constant Field Values

DEFAULT_SIZE_LIMIT

public static final int DEFAULT_SIZE_LIMIT

The maximum file size accepted by the database in bytes.

See Also:

• Constant Field Values

Method Details

toByteArray

@Generated
public static byte[] toByteArray(BufferedImage bi,
 String format)
                          throws IOException

Converts the given image to a byte array.

Parameters:

bi - The image to be converted.

format - The format of the image.

Returns:

The byte array of the image.

Throws:

IOException - If the image cannot be written.

compressImage

public static byte[] compressImage(org.springframework.web.multipart.MultipartFile image)

Compresses the given image.

Parameters:

image - The image to compress.

Returns:

The compressed image.