/*
JWildfire - an image and animation processor written in Java
Copyright (C) 1995-2012 Andreas Maschke
This is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser
General Public License as published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This software 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this software;
if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jwildfire.create.tina.swing;
import java.awt.Dimension;
import java.awt.Graphics;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.File;
import javax.swing.ImageIcon;
import javax.swing.JComponent;
import javax.swing.JFileChooser;
import org.jwildfire.base.Prefs;
import org.jwildfire.create.tina.base.Flame;
import org.jwildfire.create.tina.io.JWFRenderHeader;
import org.jwildfire.create.tina.io.JWFRenderHeaderReader;
import org.jwildfire.create.tina.render.FlameRenderer;
import org.jwildfire.create.tina.render.RenderInfo;
import org.jwildfire.create.tina.render.RenderMode;
import org.jwildfire.create.tina.render.RenderedFlame;
public class JWFRenderFilePreview extends JComponent implements PropertyChangeListener {
private static final long serialVersionUID = 1L;
private final Prefs prefs;
private ImageIcon currThumbnail = null;
private File currFile = null;
public JWFRenderFilePreview(JFileChooser pFileChooser, Prefs pPrefs) {
Dimension size = new Dimension(192, 120);
setPreferredSize(size);
setSize(size);
pFileChooser.addPropertyChangeListener(this);
prefs = pPrefs;
}
public void createThumbnail() {
if (currFile == null) {
currThumbnail = null;
return;
}
try {
if (currFile.exists()) {
JWFRenderHeader header = new JWFRenderHeaderReader().readRenderHeader(currFile.getAbsolutePath());
Flame flame = header.getFlame();
if (flame != null) {
int imgWidth = this.getPreferredSize().width;
int imgHeight = this.getPreferredSize().height;
double wScl = (double) imgWidth / (double) flame.getWidth();
double hScl = (double) imgHeight / (double) flame.getHeight();
flame.setPixelsPerUnit((wScl + hScl) * 0.5 * flame.getPixelsPerUnit());
flame.setWidth(imgWidth);
flame.setHeight(imgHeight);
FlameRenderer renderer = new FlameRenderer(flame, prefs, false, true);
renderer.setProgressUpdater(null);
flame.setSampleDensity(50);
flame.setSpatialFilterRadius(0.0);
RenderInfo info = new RenderInfo(imgWidth, imgHeight, RenderMode.PREVIEW);
RenderedFlame res = renderer.renderFlame(info);
currThumbnail = new ImageIcon(res.getImage().getBufferedImg());
}
}
}
catch (Exception ex) {
currThumbnail = null;
if (ex.getCause() != null) {
ex.getCause().printStackTrace();
}
else {
ex.printStackTrace();
}
}
}
public void propertyChange(PropertyChangeEvent e) {
boolean update = false;
String prop = e.getPropertyName();
if (JFileChooser.DIRECTORY_CHANGED_PROPERTY.equals(prop)) {
currFile = null;
update = true;
}
else if (JFileChooser.SELECTED_FILE_CHANGED_PROPERTY.equals(prop)) {
currFile = (File) e.getNewValue();
update = true;
}
if (update) {
currThumbnail = null;
if (isShowing()) {
createThumbnail();
repaint();
}
}
}
protected void paintComponent(Graphics g) {
if (currThumbnail == null) {
createThumbnail();
}
if (currThumbnail != null) {
currThumbnail.paintIcon(this, g, 0, 0);
}
}
}