com.groupdocs.editor.htmlcss.resources.images.raster

Class GifImage

java.lang.Object

com.groupdocs.editor.htmlcss.resources.images.raster.RasterImageResourceBase

com.groupdocs.editor.htmlcss.resources.images.raster.GifImage

All Implemented Interfaces:

IAuxDisposable, IHtmlResource, IImage, IImageResource, IDisposable

public final class GifImage
extends RasterImageResourceBase

Represents one image in GIF (Graphics Interchange Format) format with its metadata and additional methods

Field Summary

Fields inherited from class com.groupdocs.editor.htmlcss.resources.images.raster.RasterImageResourceBase

_base64TextContent, _binaryContent, _isDisposed, _isOwnStream, _linearDimensions, _name, _streamOrigPosition, Disposed

Constructor Summary

Constructors

Constructor and Description
GifImage(String name, InputStream binaryContent) Creates new GifImage instance from content, represented as byte stream, and with specified name
GifImage(String name, String contentInBase64) Creates new GifImage instance from content, represented as base64-encoded string, and with specified name

Method Summary

Modifier and Type	Method and Description
ImageType	getType() Returns ImageType.Gif
String	getVersion() Returns internal version of this GIF image (version is extracted from header)
static boolean	isValid(InputStream binaryContent) Checks whether specified stream is a valid GIF image
static boolean	isValid(String contentInBase64) Checks whether specified base64-encoded string is a valid GIF image

Methods inherited from class com.groupdocs.editor.htmlcss.resources.images.raster.RasterImageResourceBase

dispose, equals, getAspectRatio, getByteContent, getFilenameWithExtension, getLength, getLinearDimensions, getName, getTextContent, isDisposed, save

Methods inherited from class java.lang.Object

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

Constructor Detail

GifImage

public GifImage(String name,
                InputStream binaryContent)

Creates new GifImage instance from content, represented as byte stream, and with specified name

Parameters:

name - Name of the GIF image. Cannot be null, empty or whitespaces.

binaryContent - Content as byte stream. Reading begins from original position. Cannot be null. Should be readable and seekable. If this instance will be disposed, this stream will be disposed too.

Throws:

IllegalArgumentException

InvalidImageFormatException

GifImage

public GifImage(String name,
                String contentInBase64)

Creates new GifImage instance from content, represented as base64-encoded string, and with specified name

Parameters:

name - Name of the GIF image. Cannot be null, empty or whitespaces.

contentInBase64 - Content as base64-encoded string. Cannot be null, empty or whitespaces. If it is not a GIF content, exception will be thrown.

Throws:

IllegalArgumentException

InvalidImageFormatException

Method Detail

getType

public ImageType getType()

Returns ImageType.Gif

Specified by:

getType in interface IHtmlResource

Specified by:

getType in interface IImageResource

Specified by:

getType in class RasterImageResourceBase

Returns:

getVersion

public final String getVersion()

Returns internal version of this GIF image (version is extracted from header)

isValid

public static boolean isValid(InputStream binaryContent)

Checks whether specified stream is a valid GIF image

Parameters:

binaryContent - Byte stream, that presumably contains a GIF image

Returns:

True if specified stream contains valid GIF image, false otherwise

isValid

public static boolean isValid(String contentInBase64)

Checks whether specified base64-encoded string is a valid GIF image

Parameters:

contentInBase64 - Content of the presumably GIF image in a form of base64-encoded string

Returns:

True if specified string contains valid GIF image, false otherwise