BufferedImage reading help plz???

Hi ;
I have a buffered image and i want to read it into a byte array.I am about to lose my mind coz i couldnt find anyway to do that.
Plz help me
Thanks

I assume you have a color image. Is is 8-bit or 24-bit?
BufferedImage bImage = ...
DataBuffer db = bImage.getRaster().getDataBuffer();
if(db.getDataType() == DataBuffer.TYPE_BYTE){
   byte my_data[] = ((DataBufferByte)db).getData();
   System.out.println("my_data="+my_data+" "+ my_data.length );
if(db.getDataType() == DataBuffer.TYPE_INT){
   int my_data[] = ((DataBufferInt)db).getData();
   System.out.println("my_data="+my_data+" "+ my_data.length );
}Of course, if it is 8-bit, you will probably need to get the colormap as well...

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Thnx
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Message was edited by: md monirujjaman

Hi Moni,
First thing to do is to check the key you are using to try and access the text. Look up the header of the text you are after using SE16 on table STXH. If you have some trouble finding it you can make a change to the delivery text (using the standard delivery change transaction) and select all records where TDLUSER = [Your SAP logon].
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public void actionPerformed(ActionEvent e)
    FileInputStream fis = null;
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hi...
i got where the error is..
now i have another problem..
Connecting to database..
Valid Login
Caught updateTable exception: java.lang.ArrayIndexOutOfBoundsException
java.lang.ArrayIndexOutOfBoundsException
at UtilityMethods.updateTable(UtilityMethods.java:305)
(which is this line:
tableData[currentRow] = fieldString;)-----> i did this because one of the fields will be a Date and the others are strings
at UtilityMethods.updateTable(UtilityMethods.java:429)
at Login.validLogin(Login.java:114)
at Login.actionPerformed(Login.java:80)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:14
50)
at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(Abstra
ctButton.java:1504)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel
.java:378)
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istener.java:216)
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at java.awt.Window.dispatchEventImpl(Window.java:914)
at java.awt.Component.dispatchEvent(Component.java:2497)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:339)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
read.java:131)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:98)
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this is the code :
void updateTable()
      ResultSet results = null;
      ResultSet results1 = null;
      try
        //Get the number of rows in the table so we know how big to make the data array..
        int rowNumbers = 0;
        int columnCount = 6;
        results = stat.executeQuery("SELECT COUNT(*) FROM CUSTOMER ");
        if(results.next())
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        } //if
        if(rowNumbers == 0)
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        tableData = new String[rowNumbers][columnCount];
        //Initialize the data array with "" so we avoid possibly having nulls in it later..
        for(int i =0;i<tableData.length;i++)
          for(int j=0;j<tableData[0].length;j++)
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        //Populate the data array with results of the query on the database..
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         SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
        results1 = stat.executeQuery("SELECT * FROM CUSTOMER ORDER BY ID");
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                      fieldString = field.toString();
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//tableData[currentRow][i] = results1.getString(i + 1);
currentRow++;
} //while
}//for
final String[] colName = { "CPR", "Name", "Address", "Phone", "Sex", "Date OF Birth" };
TableModel pageModel = new AbstractTableModel()
public int getColumnCount()
return tableData[0].length;
} //getColumnCount
public int getRowCount()
return tableData.length;
} //getRowCount
public Object getValueAt(int row, int col)
return tableData[row][col];
} //getValueAt
public String getColumnName(int column)
return colName[column];
} //getcolName
public Class getColumnClass(int col)
return getValueAt(0, col).getClass();
} //getColumnClass
public boolean isCellEditable(int row, int col)
return false;
} //isCellEditable
public void setValueAt(String aValue, int row, int column)
tableData[row][column] = aValue;
} //setValueAt
//dataTable.setValue( new JScrollBar(JScrollBar.HORIZONTAL), 2,1 );
}; //pageModel
//Create the JTable from the table model:
JTable dataTable = new JTable(pageModel);
// dataTable.setModel();

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