org.nuxeo.ecm.platform.picture.api

Interface ImagingService

All Known Implementing Classes:

ImagingComponent

public interface ImagingService

Author:

Max Stepanov

Method Summary

Methods

Modifier and Type	Method and Description
Blob	crop(Blob blob, int x, int y, int width, int height) Crops an image.
String	getConfigurationValue(String configurationName) Returns the value a configuration which name is received as parameter.
String	getConfigurationValue(String configurationName, String defaultValue) Returns the value a configuration which name is received as parameter.
ImageInfo	getImageInfo(Blob blob) Retrieves the ImageInfo of the Blob that is received as parameter.
Map<String,Object>	getImageMetadata(Blob blob) Retrieves metadata from an image contained in a Blob.
String	getImageMimeType(File file) Returns the mime-type for the given file.
String	getImageMimeType(InputStream in) Deprecated. since 5.5
Blob	resize(Blob blob, String finalFormat, int width, int height, int depth) Resizes image.
Blob	rotate(Blob blob, int angle) Rotates an image.
void	setConfigurationValue(String configurationName, String configurationValue) Sets the value of a configuration which could be used by the ImagingService.

Method Detail

crop

Blob crop(Blob blob,
        int x,
        int y,
        int width,
        int height)

Crops an image.

resize

Blob resize(Blob blob,
          String finalFormat,
          int width,
          int height,
          int depth)

Resizes image.

rotate

Blob rotate(Blob blob,
          int angle)

Rotates an image.

Parameters:

blob - a Blob containing the image

angle - the angle of the rotation

Returns:

a Blob holding the rotated image

getImageMetadata

Map<String,Object> getImageMetadata(Blob blob)

Retrieves metadata from an image contained in a Blob.

Returns:

the image metadata as a map String -> Object

getImageMimeType

String getImageMimeType(File file)

Returns the mime-type for the given file.

getImageMimeType

@Deprecated
String getImageMimeType(InputStream in)

Deprecated. since 5.5

Returns the mime-type for the given input stream.

getImageInfo

ImageInfo getImageInfo(Blob blob)

Retrieves the ImageInfo of the Blob that is received as parameter.

The information provided by the ImageInfo, like width, height or format, is obtained using ImageMagick (see http://www.imagemagick.org/script/index.php for more details on ImageMagick).

Parameters:

blob - the blob of a picture

Returns:

the ImageInfo of a blob

getConfigurationValue

String getConfigurationValue(String configurationName)

Returns the value a configuration which name is received as parameter.

Parameters:

configurationName - the name of the configuration

Returns:

the value of the configuration, which can be null in case no configuration with the specified name was registered

getConfigurationValue

String getConfigurationValue(String configurationName,
                           String defaultValue)

Returns the value a configuration which name is received as parameter. In case no configuration with the specified name was registered, the received defaultValue parameter will be returned.

Parameters:

configurationName - the name of the configuration

defaultValue - the value of the configuration

setConfigurationValue

void setConfigurationValue(String configurationName,
                         String configurationValue)

Sets the value of a configuration which could be used by the ImagingService.

Parameters:

configurationName - the name of the configuration

configurationValue - the value of the configuration