Package com.itextpdf.io.image

Class GifImageData

java.lang.Object

com.itextpdf.io.image.GifImageData

       public class GifImageData extends Object
      

Holds the logical screen properties and decoded frames of a GIF image.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	GifImageData(byte[] data)	Creates GIF data from encoded bytes.
protected	GifImageData(URL url)	Creates GIF data to be loaded from a URL.

Method Summary

Modifier and Type	Method	Description
protected void	addFrame(ImageData frame)	Appends a decoded frame.
protected byte[]	getData()	Gets the encoded GIF bytes.
List<ImageData>	getFrames()	Gets the decoded GIF frames.
float	getLogicalHeight()	Gets the logical screen height.
float	getLogicalWidth()	Gets the logical screen width.
protected URL	getUrl()	Gets the source URL.
void	setLogicalHeight(float logicalHeight)	Sets the logical screen height.
void	setLogicalWidth(float logicalWidth)	Sets the logical screen width.

Methods inherited from class java.lang.Object

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

Constructor Details

GifImageData

             protected GifImageData
             (URL url)
            

Creates GIF data to be loaded from a URL.

Parameters:

url - source URL, not null

GifImageData

             protected GifImageData
             (byte[] data)
            

Creates GIF data from encoded bytes.

Parameters:

data - encoded GIF bytes; the array is retained

Method Details

getLogicalHeight

             public float getLogicalHeight()
            

Gets the logical screen height.

Returns:

height in pixels

setLogicalHeight

             public void setLogicalHeight
             (float logicalHeight)
            

Sets the logical screen height.

Parameters:

logicalHeight - height in pixels

getLogicalWidth

             public float getLogicalWidth()
            

Gets the logical screen width.

Returns:

width in pixels

setLogicalWidth

             public void setLogicalWidth
             (float logicalWidth)
            

Sets the logical screen width.

Parameters:

logicalWidth - width in pixels

getFrames

             public List<ImageData> getFrames()
            

Gets the decoded GIF frames.

Returns:

list of frames in source order

getData

             protected byte[] getData()
            

Gets the encoded GIF bytes.

Returns:

retained bytes, or null until loaded

getUrl

             protected URL getUrl()
            

Gets the source URL.

Returns:

source URL, or null when data was supplied directly

addFrame

             protected void addFrame
             (ImageData frame)
            

Appends a decoded frame.

Parameters:

frame - decoded frame to append