// uniCenta oPOS - Touch Friendly Point Of Sale
// Copyright (c) 2009-2013 uniCenta & previous Openbravo POS works
// http://www.unicenta.net/unicentaopos
//
// This file is part of uniCenta oPOS
//
// uniCenta oPOS 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.
//
// uniCenta oPOS 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 uniCenta oPOS. If not, see <http://www.gnu.org/licenses/>.
package com.openbravo.data.gui;
import com.openbravo.data.loader.LocalRes;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import javax.imageio.ImageIO;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import javax.swing.filechooser.FileFilter;
public class JImageEditor extends javax.swing.JPanel {
private Dimension m_maxsize;
private ZoomIcon m_icon;
private BufferedImage m_Img = null;
private static File m_fCurrentDirectory = null;
private static NumberFormat m_percentformat = new DecimalFormat("#,##0.##%");
/** Creates new form JImageEditor */
public JImageEditor() {
initComponents();
m_Img = null;
m_maxsize = null;
m_icon = new ZoomIcon();
m_jImage.setIcon(m_icon);
m_jPercent.setText(m_percentformat.format(m_icon.getZoom()));
privateSetEnabled(isEnabled());
}
public void setMaxDimensions(Dimension size) {
m_maxsize = size;
}
public Dimension getMaxDimensions() {
return m_maxsize;
}
@Override
public void setEnabled(boolean value) {
privateSetEnabled(value);
super.setEnabled(value);
}
private void privateSetEnabled(boolean value) {
m_jbtnopen.setEnabled(value);
m_jbtnclose.setEnabled(value && (m_Img != null));
m_jbtnzoomin.setEnabled(value && (m_Img != null));
m_jbtnzoomout.setEnabled(value && (m_Img != null));
m_jPercent.setEnabled(value && (m_Img != null));
m_jScr.setEnabled(value && (m_Img != null));
}
public void setImage(BufferedImage img) {
BufferedImage oldimg = m_Img;
m_Img = img;
m_icon.setIcon(m_Img == null ? null : new ImageIcon(m_Img));
m_jPercent.setText(m_percentformat.format(m_icon.getZoom()));
m_jImage.revalidate();
m_jScr.revalidate();
m_jScr.repaint();
privateSetEnabled(isEnabled());
firePropertyChange("image", oldimg, m_Img);
}
public BufferedImage getImage() {
return m_Img;
}
public double getZoom() {
return m_icon.getZoom();
}
public void setZoom(double zoom) {
double oldzoom = m_icon.getZoom();
m_icon.setZoom(zoom);
m_jPercent.setText(m_percentformat.format(m_icon.getZoom()));
m_jImage.revalidate();
m_jScr.revalidate();
m_jScr.repaint();
firePropertyChange("zoom", oldzoom, zoom);
}
public void incZoom() {
double zoom = m_icon.getZoom();
setZoom(zoom > 4.0 ? 8.0 : zoom * 2.0);
}
public void decZoom() {
double zoom = m_icon.getZoom();
setZoom(zoom < 0.5 ? 0.25 : zoom / 2.0);
}
public void doLoad() {
JFileChooser fc = new JFileChooser(m_fCurrentDirectory);
fc.addChoosableFileFilter(new ExtensionsFilter(LocalRes.getIntString("label.imagefiles"), "png", "gif", "jpg", "jpeg", "bmp"));
if (fc.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
try {
BufferedImage img = ImageIO.read(fc.getSelectedFile());
if (img != null) {
// compruebo que no exceda el tamano maximo.
if (m_maxsize != null && (img.getHeight() > m_maxsize.height || img.getWidth() > m_maxsize.width)) {
if (JOptionPane.showConfirmDialog(this, LocalRes.getIntString("message.resizeimage"), LocalRes.getIntString("title.editor"), JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE) == JOptionPane.YES_OPTION) {
// Redimensionamos la imagen para que se ajuste
img = resizeImage(img);
}
}
setImage(img);
m_fCurrentDirectory = fc.getCurrentDirectory();
}
} catch (IOException eIO) {
}
}
}
private BufferedImage resizeImage(BufferedImage img) {
int myheight = img.getHeight();
int mywidth = img.getWidth();
if (myheight > m_maxsize.height) {
mywidth = (int) (mywidth * m_maxsize.height / myheight);
myheight = m_maxsize.height;
}
if (mywidth > m_maxsize.width) {
myheight = (int) (myheight * m_maxsize.width / mywidth);
mywidth = m_maxsize.width;
}
BufferedImage thumb = new BufferedImage(mywidth, myheight, BufferedImage.TYPE_4BYTE_ABGR);
double scalex = (double) mywidth / (double) img.getWidth(null);
double scaley = (double) myheight / (double) img.getHeight(null);
Graphics2D g2d = thumb.createGraphics();
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
//g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g2d.setColor(new Color(0, 0, 0, 0)); // Transparent
g2d.fillRect(0, 0, mywidth, myheight);
if (scalex < scaley) {
g2d.drawImage(img, 0,(int) ((myheight - img.getHeight(null) * scalex) / 2.0)
, mywidth, (int) (img.getHeight(null) * scalex), null);
} else {
g2d.drawImage(img, (int) ((mywidth - img.getWidth(null) * scaley) / 2.0), 0
, (int) (img.getWidth(null) * scaley), myheight, null);
}
g2d.dispose();
return thumb;
}
private static class ZoomIcon implements Icon {
private Icon ico;
private double zoom;
public ZoomIcon() {
this.ico = null;
this.zoom = 1.0;
}
@Override
public int getIconHeight() {
return ico == null ? 0 : (int) (zoom * ico.getIconHeight());
}
@Override
public int getIconWidth() {
return ico == null ? 0 : (int) (zoom * ico.getIconWidth());
}
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
if (ico != null) {
Graphics2D g2d = (Graphics2D) g;
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
AffineTransform oldt = g2d.getTransform();
g2d.transform(AffineTransform.getScaleInstance(zoom, zoom));
ico.paintIcon(c, g2d, (int) (x / zoom), (int) (y / zoom));
g2d.setTransform(oldt);
}
}
public void setIcon(Icon ico) {
this.ico = ico;
this.zoom = 1.0;
}
public void setZoom(double zoom) {
this.zoom = zoom;
}
public double getZoom() {
return zoom;
}
}
private static class ExtensionsFilter extends FileFilter {
private String message;
private String[] extensions;
public ExtensionsFilter(String message, String... extensions) {
this.message = message;
this.extensions = extensions;
}
@Override
public boolean accept(java.io.File f) {
if (f.isDirectory()) {
return true;
} else {
String sFileName = f.getName();
int ipos = sFileName.lastIndexOf('.');
if (ipos >= 0) {
String sExt = sFileName.substring(ipos + 1);
for(String s : extensions) {
if (s.equalsIgnoreCase(sExt)) {
return true;
}
}
}
return false;
}
}
@Override
public String getDescription() {
return message;
}
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
m_jScr = new javax.swing.JScrollPane();
m_jImage = new javax.swing.JLabel();
jPanel1 = new javax.swing.JPanel();
jPanel2 = new javax.swing.JPanel();
m_jbtnopen = new javax.swing.JButton();
m_jbtnclose = new javax.swing.JButton();
m_jbtnzoomin = new javax.swing.JButton();
m_jPercent = new javax.swing.JLabel();
m_jbtnzoomout = new javax.swing.JButton();
setLayout(new java.awt.BorderLayout());
m_jImage.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
m_jImage.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/no_photo.png"))); // NOI18N
m_jImage.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
m_jScr.setViewportView(m_jImage);
add(m_jScr, java.awt.BorderLayout.CENTER);
jPanel1.setLayout(new java.awt.BorderLayout());
jPanel2.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 5, 0, 5));
jPanel2.setLayout(new java.awt.GridLayout(0, 1, 0, 5));
m_jbtnopen.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/camera.png"))); // NOI18N
m_jbtnopen.setToolTipText("Open Folder");
m_jbtnopen.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
m_jbtnopenActionPerformed(evt);
}
});
jPanel2.add(m_jbtnopen);
m_jbtnclose.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/fileclose.png"))); // NOI18N
m_jbtnclose.setToolTipText("Remove Picture");
m_jbtnclose.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
m_jbtncloseActionPerformed(evt);
}
});
jPanel2.add(m_jbtnclose);
m_jbtnzoomin.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/viewmag+.png"))); // NOI18N
m_jbtnzoomin.setToolTipText("Zoom In");
m_jbtnzoomin.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
m_jbtnzoominActionPerformed(evt);
}
});
jPanel2.add(m_jbtnzoomin);
m_jPercent.setHorizontalAlignment(javax.swing.SwingConstants.RIGHT);
m_jPercent.setBorder(javax.swing.BorderFactory.createCompoundBorder(javax.swing.BorderFactory.createLineBorder(javax.swing.UIManager.getDefaults().getColor("Button.darkShadow")), javax.swing.BorderFactory.createEmptyBorder(1, 4, 1, 4)));
m_jPercent.setOpaque(true);
jPanel2.add(m_jPercent);
m_jbtnzoomout.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/viewmag-.png"))); // NOI18N
m_jbtnzoomout.setToolTipText("Zoom Out");
m_jbtnzoomout.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
m_jbtnzoomoutActionPerformed(evt);
}
});
jPanel2.add(m_jbtnzoomout);
jPanel1.add(jPanel2, java.awt.BorderLayout.NORTH);
add(jPanel1, java.awt.BorderLayout.LINE_END);
}// </editor-fold>//GEN-END:initComponents
private void m_jbtnzoomoutActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_m_jbtnzoomoutActionPerformed
decZoom();
}//GEN-LAST:event_m_jbtnzoomoutActionPerformed
private void m_jbtnzoominActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_m_jbtnzoominActionPerformed
incZoom();
}//GEN-LAST:event_m_jbtnzoominActionPerformed
private void m_jbtncloseActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_m_jbtncloseActionPerformed
setImage(null);
}//GEN-LAST:event_m_jbtncloseActionPerformed
private void m_jbtnopenActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_m_jbtnopenActionPerformed
doLoad();
}//GEN-LAST:event_m_jbtnopenActionPerformed
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JLabel m_jImage;
private javax.swing.JLabel m_jPercent;
private javax.swing.JScrollPane m_jScr;
private javax.swing.JButton m_jbtnclose;
private javax.swing.JButton m_jbtnopen;
private javax.swing.JButton m_jbtnzoomin;
private javax.swing.JButton m_jbtnzoomout;
// End of variables declaration//GEN-END:variables
}