Add JFrame preview

Author: ruivieira

README.md

@@ -3,4 +3,13 @@
 
 A simple Java wraper for Python's matplotlib.
 
-See the examples [here](docs/examples.ipynb) or run the examples [online](https://mybinder.org/v2/gh/ruivieira/java-plotlib/master?filepath=docs%2Fexamples.ipynb).
+See the examples [here](docs/examples.ipynb) or run the examples [online](https://mybinder.org/v2/gh/ruivieira/java-plotlib/master?filepath=docs%2Fexamples.ipynb).
+
+## features
+
+* Line plots
+* Scatter plots
+* Histograms
+* Interpolation plots
+* Axis lines, domain limits
+* Export to PNG, Base64 and preview.

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>org.ruivieira</groupId>
     <artifactId>java-plotlib</artifactId>
-    <version>0.0.9</version>
+    <version>0.0.10</version>
 
     <build>
         <plugins>

src/main/java/org/ruivieira/plotlib/Figure.java

@@ -3,6 +3,8 @@
 import org.pmw.tinylog.Logger;
 
 import javax.imageio.ImageIO;
+import javax.swing.*;
+import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.*;
 import java.nio.charset.Charset;
@@ -68,4 +70,31 @@ public String getPython() {
     public void setPython(String python) {
         this.python = python;
     }
+
+    public void show()  {
+        File tempFile = null;
+        try {
+            tempFile = File.createTempFile("tmp", ".png");
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        save(tempFile.getAbsolutePath());
+        ImageViewer frame = new ImageViewer(tempFile.getAbsolutePath());
+        frame.setSize(640, 480);
+        frame.setVisible(true);
+
+    }
+
+    private class ImageViewer extends JFrame
+    {
+        private ImageViewer(String arg){
+            JPanel panel = new JPanel();
+            panel.setSize(480,640);
+            ImageIcon icon = new ImageIcon(arg);
+            JLabel label = new JLabel();
+            label.setIcon(icon);
+            panel.add(label);
+            this.getContentPane().add(panel);
+        }
+    }
 }