getImageInfo Метод

В этом разделе

Sends an asynchronous request for getting information about image.

Синтаксис

Javascript (Использование)
Javascript (Спецификация)

var instance = new Vintasoft.Shared.WebImageJS(imageSource, pageIndex);

var value; // Type: object

// Parameters
var successFunc; // Type: function
var errorFunc; // Type: function

value = instance.getImageInfo(successFunc, errorFunc);

function getImageInfo(
   successFuncFunction that will be executed if request is executed successfully.
 Here is function prototype "function __success(data)".
 The data parameter has the following properties:
  imageSize (object): An object that contains image width and height.
 imageResolution (object): An object that contains image resolution.
 pixelFormat (object): An instance of WebPixelFormatEnumJS class that defines the image pixel format.
 isVector (boolean): Indicates that the image has vector decoder.
 image (object): An instance of WebImageJS class that represents the source image.
 
 : Function, 
   errorFuncFunction that will be executed if request is failed.
 Here is function prototype "function __error(data)".
 The data parameter can be:
  An object with following properties:
  errorMessage (string): Error message.
 blocked (boolean): Indicates that the requested action is blocked by another request.
 
 if exception is catched inside web service. 
 Otherwise, jqXHR object.
 
 : Function
) : object;

Parameters

successFunc

Function that will be executed if request is executed successfully.
Here is function prototype "function __success(data)".
The data parameter has the following properties:

imageSize (object): An object that contains image width and height.
imageResolution (object): An object that contains image resolution.
pixelFormat (object): An instance of WebPixelFormatEnumJS class that defines the image pixel format.
isVector (boolean): Indicates that the image has vector decoder.
image (object): An instance of WebImageJS class that represents the source image.

errorFunc

Function that will be executed if request is failed.
Here is function prototype "function __error(data)".
The data parameter can be:

An object with following properties:
- errorMessage (string): Error message.
- blocked (boolean): Indicates that the requested action is blocked by another request.
if exception is catched inside web service.
Otherwise, jqXHR object.

Return Value

Request object.

Исключения

Исключение	Описание
	Thrown if arguments have wrong types.

Смотрите также

Справочник

WebImageJS Class
Члены типа WebImageJS

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