Skip to end of metadata
Go to start of metadata



Method Summary
JSImage flip(type)
Flips the image verticaly (type param=0) or horizontaly (type param=1).
String getContentType()
Gets the contenttype (image/jpeg) of this image.
byte[] getData()
Gets the bytes of this image, so that they can be saved to disk or stored the database.
Number getHeight()
Gets the height of this image.
String getMetaDataDescription(property)
Gets the description of a metadata property from the image.
Object getMetaDataObject(property)
Gets the real object of a metadata property from the image.
String[] getMetaDataProperties()
Gets the available metadata properties from the image.
Number getWidth()
Gets the width of this image.
JSImage resize(width, height)
Resizes the image to the width/height given, keeping aspect ratio.
JSImage rotate(degrees)
Rotates the image the number of degrees that is given.



Method Details

flip

JSImage flip (type)
Flips the image verticaly (type param=0) or horizontaly (type param=1). A new JSImage is returned.

Parameters

{Number} type

Returns

Sample

var image = plugins.images.getImage(byteArray_or_file_or_filename);//loads the image
image = image.flip(0);//flip vertically
var bytes = image.getData();//gets the image bytes
plugins.file.writeFile('filename',bytes);//saves the image bytes
 

getContentType

String getContentType ()
Gets the contenttype (image/jpeg) of this image.

Returns

Sample

var image = plugins.images.getImage(byteArray_or_file);
var width = image.getWidth();
var height = image.getHeight();
var contentType = image.getContentType();
 

getData

byte[] getData ()
Gets the bytes of this image, so that they can be saved to disk or stored the database.

Returns

byte[]

Sample

var image = plugins.images.getImage(byteArray_or_file_or_filename);//loads the image
image = image.resize(200,200);//resizes it to 200,200
var bytes = image.getData();//gets the image bytes
plugins.file.writeFile('filename',bytes);//saves the image bytes
 

getHeight

Number getHeight ()
Gets the height of this image.

Returns

Sample

var image = plugins.images.getImage(byteArray_or_file);
var width = image.getWidth();
var height = image.getHeight();
var contentType = image.getContentType();
 

getMetaDataDescription

String getMetaDataDescription (property)
Gets the description of a metadata property from the image. Currently only jpg is supported.

Parameters

{String} property

Returns

Sample

var image = plugins.images.getImage(byteArray_or_file_or_filename);//loads the image
// get the available metadata properties from the image, currently only jpg is supported
var propertiesArray = image.getMetaDataProperties();
for(var i=0;i<propertiesArray.length;i++)
{
	var property = propertiesArray[i]
	application.output("property: " + property);
	application.output("description (string): " + image.getMetaDataDescription(property))
	application.output("real object: " + image.getMetaDataObject(property))
}
// Thumbnail data is stored under property 'Exif - Thumbnail Data', extract that and set it in a dataprovider
thumbnail = image.getMetaDataObject("Exif - Thumbnail Data"); // gets thumbnail data from the image
 

getMetaDataObject

Object getMetaDataObject (property)
Gets the real object of a metadata property from the image. Currently only jpg is supported.

Parameters

{String} property

Returns

Sample

var image = plugins.images.getImage(byteArray_or_file_or_filename);//loads the image
// get the available metadata properties from the image, currently only jpg is supported
var propertiesArray = image.getMetaDataProperties();
for(var i=0;i<propertiesArray.length;i++)
{
	var property = propertiesArray[i]
	application.output("property: " + property);
	application.output("description (string): " + image.getMetaDataDescription(property))
	application.output("real object: " + image.getMetaDataObject(property))
}
// Thumbnail data is stored under property 'Exif - Thumbnail Data', extract that and set it in a dataprovider
thumbnail = image.getMetaDataObject("Exif - Thumbnail Data"); // gets thumbnail data from the image
 

getMetaDataProperties

String[] getMetaDataProperties ()
Gets the available metadata properties from the image. Currently only jpg is supported.

Returns

Sample

var image = plugins.images.getImage(byteArray_or_file_or_filename);//loads the image
// get the available metadata properties from the image, currently only jpg is supported
var propertiesArray = image.getMetaDataProperties();
for(var i=0;i<propertiesArray.length;i++)
{
	var property = propertiesArray[i]
	application.output("property: " + property);
	application.output("description (string): " + image.getMetaDataDescription(property))
	application.output("real object: " + image.getMetaDataObject(property))
}
// Thumbnail data is stored under property 'Exif - Thumbnail Data', extract that and set it in a dataprovider
thumbnail = image.getMetaDataObject("Exif - Thumbnail Data"); // gets thumbnail data from the image
 

getWidth

Number getWidth ()
Gets the width of this image.

Returns

Sample

var image = plugins.images.getImage(byteArray_or_file);
var width = image.getWidth();
var height = image.getHeight();
var contentType = image.getContentType();
 

resize

JSImage resize (width, height)
Resizes the image to the width/height given, keeping aspect ratio. A new JSImage is returned.

Parameters

{Number} width
{Number} height

Returns

Sample

var image = plugins.images.getImage(byteArray_or_file_or_filename);//loads the image
image = image.resize(200,200);//resizes it to 200,200
var bytes = image.getData();//gets the image bytes
plugins.file.writeFile('filename',bytes);//saves the image bytes
 

rotate

JSImage rotate (degrees)
Rotates the image the number of degrees that is given. A new JSImage is returned.

Parameters

{Number} degrees

Returns

Sample

var image = plugins.images.getImage(byteArray_or_file_or_filename);//loads the image
image = image.rotate(90);//rotate the image 90 degrees
var bytes = image.getData();//gets the image bytes
plugins.file.writeFile('filename',bytes);//saves the image bytes
 



  • No labels