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From: Jeff Higgins <jeff@invalid.invalid>
Newsgroups: comp.lang.java.programmer
Subject: Re: cut image
Date: Sun, 23 Aug 2015 22:07:39 -0400
Organization: A noiseless patient Spider
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On 08/23/2015 04:18 PM, Jeff Higgins wrote:
> On 08/23/2015 05:22 AM, mcheung63@gmail.com wrote:
>> Hi Guys
>>      I have a png invoice, there are some tables on it, which java
>> library i can use to cut every single cell into a png?
>> thanks
>> from Peter (cmk128@hotmail.com)
>>
> java.awt.image
package scratch;

import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;

/*Extract the first page of form 1040 pdf to png.
gs -dSAFER -dBATCH -dNOPAUSE -r300 -sDEVICE=pnggray \
-dFirstPage=1 -dLastPage=1 -sOutputFile=form.png f1040.pdf*/

public class Scratch {
   public static void main(String[] args) {
     try {
       BufferedImage form1040_2015_page1 =
           ImageIO.read(new File("form.png"));

       BufferedImage line_37_description =
           new BufferedImage(1559, 45, form1040_2015_page1.getType());
       Graphics g = line_37_description.getGraphics();
       g.drawImage(form1040_2015_page1,
           0, 0, 1559, 45, 448, 3102, 2007, 3147, null);
       ImageIO.write(line_37_description, "png",
           new File("line_37_description.png"));

       BufferedImage adjustedgrossincome_dollars =
           new BufferedImage(296, 45, form1040_2015_page1.getType());
       g = adjustedgrossincome_dollars.getGraphics();
       g.drawImage(form1040_2015_page1,
           0, 0, 296, 45, 2012, 3102, 2308, 3147, null);
       ImageIO.write(adjustedgrossincome_dollars, "png",
           new File("adjustedgrossincome_dollars.png"));

       BufferedImage adjustedgrossincome_cents =
           new BufferedImage(90, 45, form1040_2015_page1.getType());
       g = adjustedgrossincome_cents.getGraphics();
       g.drawImage(form1040_2015_page1,
           0, 0, 90, 45, 2312, 3102, 2402, 3147, null);
       ImageIO.write(adjustedgrossincome_cents, "png",
           new File("adjustedgrossincome_cents.png"));
     } catch (IOException e) {
     }
   }
}