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Method Summary
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.
getMetaDataDescription()
Gets the description of a metadata property from the image.
getMetaDataObject()
Gets the real object of a metadata property from the image.
String[]
getMetaDataProperties()
Gets the available metadata properties from the image.
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Method Details
flip
(type)
Flips the image verticaly (type param=0) or horizontaly (type param=1). A new JSImage is returned.
Parameters
type
Returns
JSImage
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
()
Gets the contenttype (image/jpeg) of this image.
Returns
String
Sample
var image = plugins.images.getImage(byteArray_or_file); var width = image.getWidth(); var height = image.getHeight(); var contentType = image.getContentType();
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
()
Gets the height of this image.
Returns
Number
Sample
var image = plugins.images.getImage(byteArray_or_file); var width = image.getWidth(); var height = image.getHeight(); var contentType = image.getContentType();
getMetaDataDescription
()
Gets the description of a metadata property from the image. Currently only jpg is supported.
Returns
String
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
()
Gets the real object of a metadata property from the image. Currently only jpg is supported.
Returns
Object
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
String[]
getMetaDataProperties
()
Gets the available metadata properties from the image. Currently only jpg is supported.
Returns
String[]
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
()
Gets the width of this image.
Returns
Number
Sample
var image = plugins.images.getImage(byteArray_or_file); var width = image.getWidth(); var height = image.getHeight(); var contentType = image.getContentType();
resize
(width, height)
Resizes the image to the width/height given, keeping aspect ratio. A new JSImage is returned.
Parameters
width
height
Returns
JSImage
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
(degrees)
Rotates the image the number of degrees that is given. A new JSImage is returned.
Parameters
degrees
Returns
JSImage
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