JSImage

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flip(type)
Flips the image verticaly (type param=0) or horizontaly (type param=1).

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

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byte[]

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

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getHeight()
Gets the height of this image.

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getMetaDataDescription()
Gets the description of a metadata property from the image.

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Object

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getMetaDataObject()
Gets the real object of a metadata property from the image.

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String[]

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getMetaDataProperties()
Gets the available metadata properties from the image.

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getWidth()
Gets the width of this image.

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resize(width, height)
Resizes the image to the width/height given, keeping aspect ratio.

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rotate(degrees)
Rotates the image the number of degrees that is given.

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Method Details

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flip

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flip

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(type)

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

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Parameters

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type

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Returns

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Sample

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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

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getContentType

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getContentType

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()

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

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Parameters

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Returns

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Sample

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

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getData

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byte[]

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getData

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()

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Gets the bytes of this image, so that they can be saved to disk or stored the database.

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Parameters

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Returns

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byte[]

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Sample

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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

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getHeight

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getHeight

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()

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Gets the height of this image.

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Parameters

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Returns

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Sample

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

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getMetaDataDescription

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getMetaDataDescription

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()

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Gets the description of a metadata property from the image. Currently only jpg is supported.

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Parameters

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Returns

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Sample

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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

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getMetaDataObject

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Object

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getMetaDataObject

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()

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

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Parameters

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Returns

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Object

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Sample

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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

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getMetaDataProperties

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String[]

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getMetaDataProperties

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()

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Gets the available metadata properties from the image. Currently only jpg is supported.

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Parameters

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Returns

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String[]

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Sample

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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

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getWidth

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getWidth

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()

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Gets the width of this image.

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Parameters

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Returns

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External links

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Sample

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

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resize

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resize

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(width, height)

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

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Parameters

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width
height

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Returns

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External links

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Sample

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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

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rotate

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rotate

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(degrees)

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

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Parameters

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degrees

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Returns

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