Save image helper.

Normand Briere

2019-10-06 9cf2c36d644d0aaa28797f57a3e71591d8e66973

 Grafreed.java
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@@ -24,6 +24,19 @@
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 import java.net.Authenticator;
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 import java.net.PasswordAuthentication;
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+import java.util.Iterator;
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+import java.util.Locale;
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+
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+import javax.imageio.IIOImage;
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+import javax.imageio.ImageIO;
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+import javax.imageio.ImageWriteParam;
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+import javax.imageio.ImageWriter;
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+import javax.imageio.plugins.jpeg.JPEGImageWriteParam;
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+import javax.imageio.stream.ImageOutputStream;
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+import javax.imageio.ImageWriteParam;
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+
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+import java.awt.image.*;
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+
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 //import com.jamonapi.*;
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 public class Grafreed extends Applet implements ActionListener
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 {        
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@@ -65,6 +78,93 @@
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         java.awt.Toolkit.getDefaultToolkit().beep();
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     }
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+    static String SaveImage(String filename, BufferedImage bufImage, float compressionQuality)
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+    {
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+        String ext = "jpg"; // filename.substring(filename.length()-3, filename.length())
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+        
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+        if (compressionQuality == 1)
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+        {
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+            ext = "png";
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+        }
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+        
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+        BufferedImage rendImage; // = new BufferedImage(bufImage.getWidth(), bufImage.getHeight(), BufferedImage.TYPE_INT_RGB);
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+
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+        try
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+        {
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+            int[] storage = ((sun.awt.image.IntegerInterleavedRaster)bufImage.getRaster()).getDataStorage();
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+            
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+            rendImage = new BufferedImage(bufImage.getWidth(), bufImage.getHeight(), BufferedImage.TYPE_INT_RGB);
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+            int[] storage2 = ((sun.awt.image.IntegerInterleavedRaster)rendImage.getRaster()).getDataStorage();
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+
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+            for (int i=storage.length; --i>=0;)
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+            {
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+                storage2[i] = storage[i];
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+            }
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+        }
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+        catch (Exception e)
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+        {
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+            byte[] storage = ((sun.awt.image.ByteInterleavedRaster)bufImage.getRaster()).getDataStorage();
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+            
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+            rendImage = new BufferedImage(bufImage.getWidth(), bufImage.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
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+            byte[] storage2 = ((sun.awt.image.ByteInterleavedRaster)rendImage.getRaster()).getDataStorage();
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+
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+            for (int i=storage.length/2; --i>=0;)
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+            {
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+                storage2[i] = storage[2*i];
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+            }
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+        }
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+        
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+//        rendImage.setRGB(0,0,bufImage.getWidth(),bufImage.getHeight(),
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+//                bufImage.getRGB(0, 0, bufImage.getWidth(), bufImage.getHeight(), null, 0, bufImage.getWidth()),
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+//                0,bufImage.getWidth());
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+//                //bufImage.getWidth()*(bufImage.getHeight()-1),-bufImage.getWidth());
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+            
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+        ImageWriter writer = null;
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+        Iterator iter = ImageIO.getImageWritersByFormatName(ext);
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+        
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+        if (iter.hasNext()) {
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+            writer = (ImageWriter)iter.next();
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+        }
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+
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+//        int i = frames.size();
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+//        
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+//        filename = filename + (i%100000)/10000 + "" + (i%10000)/1000 + "" + (i%1000)/100 + "" + (i%100)/10 + "" + (i%10) + ".jpg";
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+        
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+        {
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+            String fn = filename;
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+            if (!fn.endsWith(".jpg"))
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+            {
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+                fn += ".jpg";
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+            }
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+            
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+            java.io.File outfile = new java.io.File(fn);
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+            
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+            if (outfile.getParentFile() != null) // nov 2013
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+                outfile.getParentFile().mkdirs();
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+            
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+            filename = outfile.getAbsolutePath();
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+
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+            //float compressionQuality = 0.85f;
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+
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+            try
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+            {
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+                ImageOutputStream ios = ImageIO.createImageOutputStream(outfile);
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+                writer.setOutput(ios);
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+                JPEGImageWriteParam iwparam=new JPEGImageWriteParam(Locale.getDefault());
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+                iwparam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT) ;
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+                iwparam.setCompressionQuality(compressionQuality);
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+                writer.write(null, new IIOImage(rendImage, null, null), iwparam);
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+                ios.flush();
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+                writer.dispose();
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+                ios.close();
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+            }
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+            catch(Exception e){};
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+        }
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+        
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+        return ".jpg";
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+//        return;// filename;
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+    }
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+    
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     public static String RemovePrefix(String s, String prefix)
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     {
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         if (s != null && prefix != null && s.startsWith(prefix))