Method Summary | |
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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 |
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flip |
JSImage flip (type) |
Flips the image verticaly (type param=0) or horizontaly (type param=1). A new JSImage is returned.
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Parameters {Number} type
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Returns |
Samplevar 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.
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Returns |
Samplevar 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.
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Returns byte[]
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Samplevar 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.
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Returns |
Samplevar 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.
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Parameters {String} property
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Returns |
Samplevar 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.
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Parameters {String} property
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Returns |
Samplevar 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.
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Returns String[]
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Samplevar 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.
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Returns |
Samplevar 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.
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Parameters |
Returns |
Samplevar 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.
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Parameters {Number} degrees
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Returns |
Samplevar 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 |