org.ametys.cms.transformation

Class ImageResolverHelper

java.lang.Object

org.ametys.cms.transformation.ImageResolverHelper

public final class ImageResolverHelper
extends Object

Class providing helper methods to resolve images.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ImageResolverHelper()

Method Summary

Modifier and Type	Method and Description
static String	resolveImageAsBase64(InputStream dataIs, String mimeType, int height, int width, int maxHeight, int maxWidth) Get an image's bytes encoded as base64, optionally resized.
static String	resolveImageAsBase64(InputStream dataIs, String mimeType, int height, int width, int maxHeight, int maxWidth, int cropHeight, int cropWidth) Get an image's bytes encoded as base64, optionally resized.

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageResolverHelper

private ImageResolverHelper()

Method Detail

resolveImageAsBase64

public static final String resolveImageAsBase64(InputStream dataIs,
                                                String mimeType,
                                                int height,
                                                int width,
                                                int maxHeight,
                                                int maxWidth)
                                         throws IOException

Get an image's bytes encoded as base64, optionally resized.

Parameters:

dataIs - an input stream on the image bytes.

mimeType - the image mime type.

height - the specified height. Ignored if negative.

width - the specified width. Ignored if negative.

maxHeight - the maximum image height. Ignored if height or width is specified.

maxWidth - the maximum image width. Ignored if height or width is specified.

Returns:

the image bytes encoded as base64.

Throws:

IOException - if an error occurs.

resolveImageAsBase64

public static final String resolveImageAsBase64(InputStream dataIs,
                                                String mimeType,
                                                int height,
                                                int width,
                                                int maxHeight,
                                                int maxWidth,
                                                int cropHeight,
                                                int cropWidth)
                                         throws IOException

Get an image's bytes encoded as base64, optionally resized.

Parameters:

dataIs - an input stream on the image bytes.

mimeType - the image mime type.

height - the specified height. Ignored if 0.

width - the specified width. Ignored if 0.

maxHeight - the maximum image height. Ignored if height or width is specified.

maxWidth - the maximum image width. Ignored if height or width is specified.

cropHeight - the cropping height. Ignored if 0.

cropWidth - the cropping width. Ignored if 0.

Returns:

the image bytes encoded as base64.

Throws:

IOException - if an error occurs.