1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/org/sonews/web/MemoryBitmapChart.java	Fri Jun 26 16:48:50 2009 +0200
     1.3 @@ -0,0 +1,61 @@
     1.4 +/*
     1.5 + *   SONEWS News Server
     1.6 + *   see AUTHORS for the list of contributors
     1.7 + *
     1.8 + *   This program is free software: you can redistribute it and/or modify
     1.9 + *   it under the terms of the GNU General Public License as published by
    1.10 + *   the Free Software Foundation, either version 3 of the License, or
    1.11 + *   (at your option) any later version.
    1.12 + *
    1.13 + *   This program is distributed in the hope that it will be useful,
    1.14 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.15 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.16 + *   GNU General Public License for more details.
    1.17 + *
    1.18 + *   You should have received a copy of the GNU General Public License
    1.19 + *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
    1.20 + */
    1.21 +
    1.22 +package org.sonews.web;
    1.23 +
    1.24 +import info.monitorenter.gui.chart.Chart2D;
    1.25 +import info.monitorenter.gui.chart.IAxis.AxisTitle;
    1.26 +import java.awt.Color;
    1.27 +import java.awt.image.BufferedImage;
    1.28 +import java.io.ByteArrayOutputStream;
    1.29 +import java.io.IOException;
    1.30 +import javax.imageio.ImageIO;
    1.31 +
    1.32 +/**
    1.33 + * A chart rendered to a memory bitmap.
    1.34 + * @author Christian Lins
    1.35 + * @since sonews/0.5.0
    1.36 + */
    1.37 +class MemoryBitmapChart extends Chart2D
    1.38 +{
    1.39 +
    1.40 +  public MemoryBitmapChart()
    1.41 +  {
    1.42 +    setGridColor(Color.LIGHT_GRAY);
    1.43 +    getAxisX().setPaintGrid(true);
    1.44 +    getAxisY().setPaintGrid(true);
    1.45 +    getAxisX().setAxisTitle(new AxisTitle("time of day"));
    1.46 +    getAxisY().setAxisTitle(new AxisTitle("processed news"));
    1.47 +  }
    1.48 +  
    1.49 +  public String getContentType()
    1.50 +  {
    1.51 +    return "image/png";
    1.52 +  }
    1.53 +  
    1.54 +  public byte[] getRawData(final int width, final int height)
    1.55 +    throws IOException
    1.56 +  {
    1.57 +    setSize(width, height);
    1.58 +    BufferedImage img = snapShot(width, height);
    1.59 +    ByteArrayOutputStream out = new ByteArrayOutputStream();
    1.60 +    ImageIO.write(img, "png", out);
    1.61 +    return out.toByteArray();
    1.62 +  }
    1.63 +  
    1.64 +}