Package dev.matrixlab.webp4j.gif

Class GifDecoderJava

java.lang.Object

dev.matrixlab.webp4j.gif.GifDecoderJava

public final class GifDecoderJava
extends Object

Java-based GIF decoder using ImageIO. This is used as a fallback when native giflib is unavailable, or for testing purposes.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	GifDecoderJava.GifData	Holds all decoded GIF data including frames and metadata.
static class	GifDecoderJava.GifFrame	Represents a single frame in a GIF animation.

Method Summary

Modifier and Type	Method	Description
static GifDecoderJava.GifData	decodeGif(byte[] gifBytes)	Decodes a GIF from a byte array using Java ImageIO.
static boolean	getGifInfo(byte[] gifBytes, AnimationInfo info)	Gets GIF information without full decoding.

Methods inherited from class java.lang.Object

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

Method Details

decodeGif

public static GifDecoderJava.GifData decodeGif(byte[] gifBytes)
                                        throws IOException

Decodes a GIF from a byte array using Java ImageIO. Extracts all frames, delays, disposal methods, and loop count.

Parameters:

gifBytes - Byte array containing the GIF image data

Returns:

GifData containing all frames and metadata

Throws:

IOException - If decoding fails

getGifInfo

public static boolean getGifInfo(byte[] gifBytes,
 AnimationInfo info)

Gets GIF information without full decoding. This is a lightweight operation for querying GIF properties.

Parameters:

gifBytes - Byte array containing the GIF image data

info - AnimationInfo object to populate

Returns:

true on success, false on failure