com.asprise.ocr.sample.PanelOcrInput Maven / Gradle / Ivy
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A Java OCR SDK Library API allows you to perform OCR and bar code recognition on images (JPEG, PNG, TIFF, PDF, etc.) and output as plain text, xml with full coordinate, searchable PDF or editable RTF.
/**********************************************************************************************
*
* Asprise OCR Java API
* Copyright (C) 1998-2015. Asprise Inc.
*
* This file is licensed under the GNU Affero General Public License version 3 as published by
* the Free Software Foundation.
*
* Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
*
* You should have received a copy of the GNU Affero General Public License. If not, please
* visit .
*
**********************************************************************************************/
package com.asprise.ocr.sample;
import javax.swing.ButtonGroup;
import javax.swing.ComboBoxModel;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.File;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.StringTokenizer;
import java.util.prefs.Preferences;
public class PanelOcrInput extends javax.swing.JPanel {
static Preferences prefs = Preferences.userRoot().node(PanelOcrInput.class.getName());
static String PREF_FILE_IMG = "file-img";
static String PREF_TEXT_LAYOUT = "text-layout";
static String PREF_DATA_CAPTURE_BOOLEAN = "data-capture";
static String PREF_AUTO_ROTATE_BOOLEAN = "auto-rotate";
static String PREF_WORD_LEVEL = "word-level";
static String PREF_OUTPUT_FORMAT = "output-format";
static String PREF_PDF_HIGHLIGHT_TEXT = "pdf-highlight-text";
static String PREF_LANGUAGE = "lang";
static String PREF_RECOGNIZE_TYPE = "recognize-type";
static String PREF_PROPS_START = "props-start";
static String PREF_PROPS_RECOGNITION = "props-recognition";
ButtonGroup buttonGroupOutputFormat = new ButtonGroup();
void init() {
comboTextLayout.setModel(new DefaultComboBoxModel(new String[]{
"auto", "single_block", "single_column", "single_line", "single_word", "single_char", "scattered"
}));
comboRecognizeType.setModel(new DefaultComboBoxModel(new String[] {
"Text + Barcodes", "Text only", "Barcodes only"
}));
comboLanguage.setModel(new DefaultComboBoxModel(new Object[0]));
ActionListener actionListenerForOutputFormatRadios = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
refreshUI();
}
};
radioOutputFormatPlainText.addActionListener(actionListenerForOutputFormatRadios);
radioOutputFormatXml.addActionListener(actionListenerForOutputFormatRadios);
radioOutputFormatPdf.addActionListener(actionListenerForOutputFormatRadios);
radioOutputFormatRtf.addActionListener(actionListenerForOutputFormatRadios);
buttonGroupOutputFormat.add(radioOutputFormatPlainText);
buttonGroupOutputFormat.add(radioOutputFormatXml);
buttonGroupOutputFormat.add(radioOutputFormatPdf);
buttonGroupOutputFormat.add(radioOutputFormatRtf);
radioOutputFormatXml.setSelected(true);
comboFileImage.setEditable(true);
DemoUtils.registerBrowseButtonListener(comboFileImage, buttonBrowseFile, true, true, DemoUtils.getFileFilterForExtensions(
new String[] {"bmp", "gif", "jpg", "jpeg", "pdf", "png", "tif", "tiff"}, true
), null);
comboPropsStart.setEditable(true);
comboPropsRecognition.setEditable(true);
DemoUtils.loadPrefs(prefs, PREF_FILE_IMG, comboFileImage);
DemoUtils.loadPrefs(prefs, PREF_PROPS_START, comboPropsStart);
DemoUtils.loadPrefs(prefs, PREF_PROPS_RECOGNITION, comboPropsRecognition);
selectCombo(comboTextLayout, prefs.get(PREF_TEXT_LAYOUT, "auto"));
selectCombo(comboRecognizeType, prefs.get(PREF_RECOGNIZE_TYPE, "Text + Barcodes"));
checkDataCapture.setSelected(prefs.getBoolean(PREF_DATA_CAPTURE_BOOLEAN, true));
checkAutoRotatePages.setSelected(prefs.getBoolean(PREF_AUTO_ROTATE_BOOLEAN, false));
checkWordLevel.setSelected(prefs.getBoolean(PREF_WORD_LEVEL, false));
radioOutputFormatPlainText.setSelected(prefs.get(PREF_OUTPUT_FORMAT, "").toLowerCase().contains("text"));
radioOutputFormatPdf.setSelected(prefs.get(PREF_OUTPUT_FORMAT, "").toLowerCase().contains("pdf"));
radioOutputFormatRtf.setSelected(prefs.get(PREF_OUTPUT_FORMAT, "").toLowerCase().contains("rtf"));
checkPdfHighlightText.setSelected(prefs.getBoolean(PREF_PDF_HIGHLIGHT_TEXT, true));
comboLanguage.setPreferredSize(new Dimension(90, comboLanguage.getPreferredSize().height));
try {
linkLabelHelp.setup("Help", new URI("http://asprise.com/ocr/docs/html/asprise-ocr-sdk-api-options.html?src=demo_java"));
} catch (URISyntaxException e) {
e.printStackTrace();
}
refreshUI();
}
public String getFileImage() {
return DemoUtils.getText(comboFileImage);
}
public boolean isImageFileOk() {
File file = null;
String files = getFileImage();
if(files.contains(",")) {
StringTokenizer st = new StringTokenizer(files, ",");
while(st.hasMoreTokens()) {
String token = st.nextToken().trim();
file = new File(token);
break;
}
} else {
file = new File(files.trim());
}
return file != null && file.exists() && file.isFile();
}
public String getPropsStart() {
return DemoUtils.getText(comboPropsStart);
}
public String getPropsRecognition() {
return DemoUtils.getText(comboPropsRecognition);
}
public String getTextLayout() {
return comboTextLayout.getSelectedItem().toString();
}
public boolean isDataCaptureChecked() {
return checkDataCapture.isSelected();
}
public boolean isAutoRotatePagesChecked() {
return checkAutoRotatePages.isSelected();
}
public boolean isWordLevelChecked() {
return checkWordLevel.isSelected();
}
public String getOutputFormat() {
return radioOutputFormatPlainText.isSelected() ? "text" :
radioOutputFormatXml.isSelected() ? "xml" : (radioOutputFormatRtf.isSelected() ? "rtf" : "pdf");
}
public boolean isPdfHighlightTextChecked() {
return checkPdfHighlightText.isSelected();
}
public String getRecognizeType() {
return comboRecognizeType.getSelectedItem().toString();
}
public String getLanguage() {
String lang = comboLanguage.getSelectedItem() == null ? null : comboLanguage.getSelectedItem().toString();
return lang == null || lang.trim().isEmpty() ? prefs.get(PREF_LANGUAGE, "eng") : lang;
}
public JButton getButtonOcr() {
return buttonOcr;
}
public void savePrefs() {
try {
prefs.put(PREF_TEXT_LAYOUT, comboTextLayout.getSelectedItem().toString());
prefs.put(PREF_RECOGNIZE_TYPE, comboRecognizeType.getSelectedItem().toString());
prefs.putBoolean(PREF_DATA_CAPTURE_BOOLEAN, checkDataCapture.isSelected());
prefs.putBoolean(PREF_AUTO_ROTATE_BOOLEAN, checkAutoRotatePages.isSelected());
prefs.putBoolean(PREF_WORD_LEVEL, checkWordLevel.isSelected());
prefs.put(PREF_OUTPUT_FORMAT, getOutputFormat());
prefs.putBoolean(PREF_PDF_HIGHLIGHT_TEXT, checkPdfHighlightText.isSelected());
prefs.put(PREF_LANGUAGE, comboLanguage.getSelectedItem().toString());
DemoUtils.savePrefs(prefs, PREF_FILE_IMG, comboFileImage, getFileImage());
DemoUtils.savePrefs(prefs, PREF_PROPS_START, comboPropsStart, getPropsStart());
DemoUtils.savePrefs(prefs, PREF_PROPS_RECOGNITION, comboPropsRecognition, getPropsRecognition());
} catch (Throwable t) {
}
}
public void setOcrLangs(String[] langs) {
comboLanguage.setModel(new DefaultComboBoxModel(langs));
selectCombo(comboLanguage, prefs.get(PREF_LANGUAGE, "eng"));
}
static void selectCombo(JComboBox comboBox, String value) {
if(value == null || value.trim().length() == 0) {
return;
}
ComboBoxModel model = comboBox.getModel();
for(int i = 0; i < model.getSize(); i++) {
if(value.equals(model.getElementAt(i).toString())) {
comboBox.setSelectedIndex(i);
return;
}
}
}
void refreshUI() {
checkPdfHighlightText.setEnabled(radioOutputFormatPdf.isSelected());
}
public PanelOcrInput() {
initComponents();
init();
}
public static void main(String[] args) {
DemoUtils.autoAwesomeLookAndFeel(null, null);
JFrame frame = new JFrame("JFrame Source Demo");
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.getContentPane().add(new PanelOcrInput(), BorderLayout.CENTER);
frame.pack();
frame.setVisible(true);
}
@SuppressWarnings("unchecked")
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
comboFileImage = new javax.swing.JComboBox();
buttonBrowseFile = new javax.swing.JButton();
jLabel2 = new javax.swing.JLabel();
comboTextLayout = new javax.swing.JComboBox();
jLabel3 = new javax.swing.JLabel();
radioOutputFormatPlainText = new javax.swing.JRadioButton();
radioOutputFormatXml = new javax.swing.JRadioButton();
radioOutputFormatPdf = new javax.swing.JRadioButton();
checkPdfHighlightText = new javax.swing.JCheckBox();
checkDataCapture = new javax.swing.JCheckBox();
checkWordLevel = new javax.swing.JCheckBox();
checkAutoRotatePages = new javax.swing.JCheckBox();
buttonOcr = new javax.swing.JButton();
comboLanguage = new javax.swing.JComboBox();
jLabel4 = new javax.swing.JLabel();
comboRecognizeType = new javax.swing.JComboBox();
radioOutputFormatRtf = new javax.swing.JRadioButton();
jLabel5 = new javax.swing.JLabel();
jLabel6 = new javax.swing.JLabel();
comboPropsStart = new javax.swing.JComboBox();
jLabel7 = new javax.swing.JLabel();
comboPropsRecognition = new javax.swing.JComboBox();
linkLabelHelp = new com.asprise.ocr.sample.util.LinkLabel();
jLabel1.setText("Image:");
comboFileImage.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));
buttonBrowseFile.setText("Browse ...");
jLabel2.setText("Text layout:");
comboTextLayout.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));
jLabel3.setText("Output format:");
radioOutputFormatPlainText.setText("Plain text");
radioOutputFormatXml.setText("Xml");
radioOutputFormatPdf.setText("PDF");
checkPdfHighlightText.setSelected(true);
checkPdfHighlightText.setText("Highlight text in PDF");
checkDataCapture.setSelected(true);
checkDataCapture.setText("Data capture (invoices and forms)");
checkWordLevel.setText("Word level (instead of line)");
checkAutoRotatePages.setText("Auto rotate pages");
buttonOcr.setBackground(new java.awt.Color(102, 204, 255));
buttonOcr.setFont(new java.awt.Font("Tahoma", 1, 14));
buttonOcr.setText("OCR");
comboLanguage.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));
jLabel4.setText("Language:");
comboRecognizeType.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));
radioOutputFormatRtf.setText("RTF/Word");
jLabel5.setText("Recognize:");
jLabel6.setText("Engine start props (optional):");
comboPropsStart.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));
jLabel7.setText("Props (optional):");
comboPropsRecognition.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));
linkLabelHelp.setText("Help");
linkLabelHelp.setPreferredSize(new java.awt.Dimension(16, 16));
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
this.setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jLabel4)
.addComponent(jLabel3)
.addComponent(jLabel1)
.addComponent(jLabel2)
.addComponent(jLabel7))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(comboTextLayout, javax.swing.GroupLayout.PREFERRED_SIZE, 106, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addComponent(checkDataCapture)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(checkAutoRotatePages)
.addGap(18, 18, 18)
.addComponent(checkWordLevel)
.addGap(0, 0, Short.MAX_VALUE))
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(comboLanguage, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addComponent(jLabel6)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(comboPropsStart, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addGroup(layout.createSequentialGroup()
.addComponent(comboFileImage, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(buttonBrowseFile))
.addGroup(layout.createSequentialGroup()
.addComponent(radioOutputFormatPlainText)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(radioOutputFormatXml)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(radioOutputFormatPdf)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(checkPdfHighlightText)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(radioOutputFormatRtf)
.addGap(18, 18, 18)
.addComponent(jLabel5)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(comboRecognizeType, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(0, 0, Short.MAX_VALUE))
.addGroup(layout.createSequentialGroup()
.addComponent(comboPropsRecognition, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(linkLabelHelp, javax.swing.GroupLayout.PREFERRED_SIZE, 34, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addComponent(buttonOcr)))
.addContainerGap())))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel4)
.addComponent(comboLanguage, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel6)
.addComponent(comboPropsStart, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(comboFileImage, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(buttonBrowseFile))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(comboTextLayout, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel2)
.addComponent(checkDataCapture)
.addComponent(checkAutoRotatePages)
.addComponent(checkWordLevel))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3)
.addComponent(radioOutputFormatPlainText)
.addComponent(radioOutputFormatXml)
.addComponent(radioOutputFormatPdf)
.addComponent(checkPdfHighlightText)
.addComponent(radioOutputFormatRtf)
.addComponent(jLabel5)
.addComponent(comboRecognizeType, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel7)
.addComponent(comboPropsRecognition, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(linkLabelHelp, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(buttonOcr))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
}
private javax.swing.JButton buttonBrowseFile;
private javax.swing.JButton buttonOcr;
private javax.swing.JCheckBox checkAutoRotatePages;
private javax.swing.JCheckBox checkDataCapture;
private javax.swing.JCheckBox checkPdfHighlightText;
private javax.swing.JCheckBox checkWordLevel;
private javax.swing.JComboBox comboFileImage;
private javax.swing.JComboBox comboLanguage;
private javax.swing.JComboBox comboPropsRecognition;
private javax.swing.JComboBox comboPropsStart;
private javax.swing.JComboBox comboRecognizeType;
private javax.swing.JComboBox comboTextLayout;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JLabel jLabel6;
private javax.swing.JLabel jLabel7;
private com.asprise.ocr.sample.util.LinkLabel linkLabelHelp;
private javax.swing.JRadioButton radioOutputFormatPdf;
private javax.swing.JRadioButton radioOutputFormatPlainText;
private javax.swing.JRadioButton radioOutputFormatRtf;
private javax.swing.JRadioButton radioOutputFormatXml;
}
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