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/**
* Orthanc - A Lightweight, RESTful DICOM Store
* Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
* Department, University Hospital of Liege, Belgium
* Copyright (C) 2017-2018 Osimis S.A., Belgium
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
package com.orthancserver;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.ByteArrayInputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JPanel;
public class PreviewPanel extends JPanel
{
private BufferedImage image_ = null;
public void Reset()
{
image_ = null;
repaint();
}
public void Load(OrthancConnection orthanc,
String uri)
{
try
{
image_ = orthanc.ReadImage(uri);
repaint();
}
catch (IOException e)
{
Reset();
}
}
@Override
protected void paintComponent(Graphics g)
{
super.paintComponent(g);
if (image_ != null)
{
float scaleX = (float) getWidth() / (float) image_.getWidth();
float scaleY = (float) getHeight() / (float) image_.getHeight();
float scale = Math.min(scaleX, scaleY);
if (scale > 1)
{
// Do not upscale the image
scale = 1;
}
int width = Math.round((float) image_.getWidth() * scale);
int height = Math.round((float) image_.getHeight() * scale);
int dx = (getWidth() - width) / 2;
int dy = (getHeight() - height) / 2;
g.drawImage(image_, dx, dy, dx + width, dy + height,
0, 0, image_.getWidth(), image_.getHeight(), null);
}
}
}
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