org.pepstock.charba.client.gwt

Class ImagesHelper

java.lang.Object

org.pepstock.charba.client.gwt.ImagesHelper

public final class ImagesHelper
extends Object

Utility to transform image GWT resources in the Img elements used by Charba.

Author:

Andrea "Stock" Stocchero

Method Summary

Modifier and Type	Method and Description
static Img	toImg(Image image) Creates a image element by image widget that displays the image at a given URL.
static Img	toImg(Image image, int width, int height) Creates a image element by image widget that displays the image at a given URL, forcing the size.
static Img	toImg(ImageResource image) Creates a image element by image resource which provides access to image data at runtime.
static Img	toImg(ImageResource image, int width, int height) Creates a image element by image resource which provides access to image data at runtime, forcing the size.
static Img	toImg(String url) Creates a image element by a data URL which is a URI scheme that provides a way to in-line data in a document, and it's commonly used to embed images in HTML and CSS.
static Img	toImg(String url, int width, int height) Creates a image element by a data URL which is a URI scheme that provides a way to in-line data in a document, and it's commonly used to embed images in HTML and CSS, forcing the size.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

toImg

public static Img toImg(String url)

Creates a image element by a data URL which is a URI scheme that provides a way to in-line data in a document, and it's commonly used to embed images in HTML and CSS.

Parameters:

url - a URI scheme that provides a way to in-line data

Returns:

a image element or null if argument is not consistent

toImg

public static Img toImg(String url,
                        int width,
                        int height)

Creates a image element by a data URL which is a URI scheme that provides a way to in-line data in a document, and it's commonly used to embed images in HTML and CSS, forcing the size.

Parameters:

url - a URI scheme that provides a way to in-line data

width - width of image

height - height of image

Returns:

a image element or null if argument is not consistent

toImg

public static Img toImg(ImageResource image)

Creates a image element by image resource which provides access to image data at runtime.

Parameters:

image - image resource instance

Returns:

a image element instance or null if argument is not consistent

toImg

public static Img toImg(ImageResource image,
                        int width,
                        int height)

Creates a image element by image resource which provides access to image data at runtime, forcing the size.

Parameters:

image - image resource instance

width - width of image

height - height of image

Returns:

a image element or null if argument is not consistent

toImg

public static Img toImg(Image image)

Creates a image element by image widget that displays the image at a given URL.

Parameters:

image - image widget instance

Returns:

a image element or null if argument is not consistent

toImg

public static Img toImg(Image image,
                        int width,
                        int height)

Creates a image element by image widget that displays the image at a given URL, forcing the size.

Parameters:

image - image widget instance

width - width of image

height - height of image

Returns:

a image element or null if argument is not consistent