Java Doc for PictureData.java in  » Collaboration » poi-3.0.2-beta2 » org » apache » poi » hslf » usermodel » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Collaboration » poi 3.0.2 beta2 » org.apache.poi.hslf.usermodel   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.poi.hslf.usermodel.PictureData All known Subclasses:   org.apache.poi.hslf.blip.Bitmap,  org.apache.poi.hslf.blip.Metafile, PictureData abstract public class PictureData (Code) A class that represents image data contained in a slide show. author:    Yegor Kozlov Field Summary final protected static  int CHECKSUM_SIZE      Size of the image checksum calculated using MD5 algorithm. protected  int offset      Method Summary public static  PictureData create(int type)      Create an instance of PictureData by type. Parameters:   type - type of the picture data.Must be one of the static constants defined in the Picture class. public static  byte[] getChecksum(byte[] data)      Compute 16-byte checksum of this picture using MD5 algorithm. abstract public  byte[] getData()      public  byte[] getHeader()      Return 24 byte header which preceeds the actual picture data. public  int getOffset()      public  byte[] getRawData()      Returns the raw binary data of this Picture excluding the first 8 bytes which hold image signature and size of the image data. abstract protected  int getSignature()      Blip signature. public  int getSize()      abstract public  int getType()      Returns type of this picture. public  byte[] getUID()      abstract public  void setData(byte[] data)      public  void setOffset(int offset)      Set offset of this picture in the 'Pictures' stream. public  void setRawData(byte[] data)      public  void write(OutputStream out)      Field Detail CHECKSUM_SIZE final protected static int CHECKSUM_SIZE(Code) Size of the image checksum calculated using MD5 algorithm. offset protected int offset(Code) The offset to the picture in the stream Method Detail create public static PictureData create(int type)(Code) Create an instance of PictureData by type. Parameters:   type - type of the picture data.Must be one of the static constants defined in the Picture class. concrete instance of PictureData getChecksum public static byte[] getChecksum(byte[] data)(Code) Compute 16-byte checksum of this picture using MD5 algorithm. getData abstract public byte[] getData()(Code) Returns the binary data of this Picture picture data getHeader public byte[] getHeader()(Code) Return 24 byte header which preceeds the actual picture data. The header consists of 2-byte signature, 2-byte type, 4-byte image size and 16-byte checksum of the image data. the 24 byte header which preceeds the actual picture data. getOffset public int getOffset()(Code) File offset in the 'Pictures' stream offset in the 'Pictures' stream getRawData public byte[] getRawData()(Code) Returns the raw binary data of this Picture excluding the first 8 bytes which hold image signature and size of the image data. picture data getSignature abstract protected int getSignature()(Code) Blip signature. getSize public int getSize()(Code) Return image size in bytes the size of the picture in bytes getType abstract public int getType()(Code) Returns type of this picture. Must be one of the static constants defined in the Picture class. type of this picture. getUID public byte[] getUID()(Code) Returns 16-byte checksum of this picture setData abstract public void setData(byte[] data) throws IOException(Code) Set picture data setOffset public void setOffset(int offset)(Code) Set offset of this picture in the 'Pictures' stream. We need to set it when a new picture is created. Parameters:   offset - in the 'Pictures' stream setRawData public void setRawData(byte[] data)(Code) write public void write(OutputStream out) throws IOException(Code) Write this picture into OutputStream Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)