TextToImage.java :  » UnTagged » al-qalam » com » uzislam » parser » Android Open Source

package com.uzislam.parser;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.Transparency;
import java.awt.font.FontRenderContext;
import java.awt.font.LineBreakMeasurer;
import java.awt.font.TextAttribute;
import java.awt.font.TextLayout;
import java.awt.image.BufferedImage;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.text.AttributedCharacterIterator;
import java.text.AttributedString;

import javax.imageio.ImageIO;



public class TextToImage {

  private static String       inPath = "input/";
  private static String       outPath = "output/arabic/";
  
  private static int[]  SurahNumberOfAyats = new int[] { 7,286,200,176,120,165,206,75,129,109,123,111,43,52,99,128,111,110,98,135,
    112,78,118,64,77,227,93,88,69,60,34,30,73,54,45,83,182,88,75,85,54,53,89,59,37,35,38,29,18,45,60,49,62,55,78,96,29,22,24,
    13,14,11,11,18,12,12,30,52,52,44,28,28,20,56,40,31,50,40,46,42,29,19,36,25,22,17,19,26,30,20,15,21,11,8,8,19,5,8,8,11,11,
    8,3,9,5,4,7,3,6,3,5,4,5,6 };
  
  public static void main(String[] args) {
    int i,j;
    String inputLine;
    BufferedImage  arabiTextImage;
      
    int imageWidth = 390;
    Font f = new Font("me_quran", Font.LAYOUT_RIGHT_TO_LEFT & Font.PLAIN, 30);
      
    File inFile = new File (inPath + "quran-uthmani.txt");
    
    FileInputStream   fstream; 
    BufferedReader     reader = null;
    BufferedWriter     writer  = null;
    String        bismillah = "   ";
    try {
      
      fstream = new FileInputStream(inFile);
      reader = new BufferedReader(new InputStreamReader (new DataInputStream(fstream)));
    
    }
    catch (Exception e){
      System.out.println("Error: " + e.getMessage());
    }
    
    for (i=1;i<=114;i++) {
      boolean result = (new File(outPath + i)).mkdirs();
      
      try {
        //File outFile = new File(outPath + i + ".txt");
        //writer = new BufferedWriter(new FileWriter(outFile));
        
        int until = SurahNumberOfAyats[i-1];
                        
        for (j=0;j<until;j++) {
          inputLine = reader.readLine();
          
          if ( (i != 1 && i != 9) && j == 0 )
            inputLine = inputLine.substring(bismillah.length());

          arabiTextImage = renderTextToImage (f, Color.BLACK, inputLine, imageWidth);
          
          File outputfile = new File(outPath + i + "/" + makeFileName(i,j) + ".gdw");
          ImageIO.write(arabiTextImage, "png", outputfile);
          
          System.out.println("FILE " + i + ":" + (j+1) + "is DONE");
          
          //writer.write(inputLine);
          //writer.newLine();
          //System.out.println(inputLine);
        }
      
        //writer.close();
      }
      catch (Exception e){
        System.out.println("Error: " + e.getMessage());
      }
    }
  }
  
  public static BufferedImage renderTextToImage(Font font, Color textColor, String text, int width){
    final int sidePadding = 5;
      
        AttributedString attributedString = new AttributedString(text);
        attributedString.addAttribute(TextAttribute.FONT, font);
        attributedString.addAttribute(TextAttribute.LIGATURES, TextAttribute.LIGATURES_ON);
        AttributedCharacterIterator paragraph = attributedString.getIterator();
       
        FontRenderContext frc =  new FontRenderContext(null, true, false);
        int paragraphStart = paragraph.getBeginIndex();
        int paragraphEnd = paragraph.getEndIndex();
        LineBreakMeasurer lineMeasurer = new LineBreakMeasurer(paragraph, frc);      
        
        float   drawPosY=0;
        
        //First time around, just determine the height
        while (lineMeasurer.getPosition() < paragraphEnd) {
            TextLayout layout = lineMeasurer.nextLayout(width); // -  rightPadding - leftPadding);
            
            // Move it down
            drawPosY += layout.getAscent() + layout.getDescent() + layout.getLeading();
        }
        
        //drawPosY += bottomPadding;
        
        BufferedImage image = new BufferedImage(width + sidePadding*2,(int) drawPosY, Transparency.BITMASK);
        Graphics2D graphics = (Graphics2D) image.getGraphics();
        //graphics.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);       
        //graphics.setFont(font);
        graphics.setColor(textColor);
    
        drawPosY=0;
        lineMeasurer.setPosition(paragraphStart);
        while (lineMeasurer.getPosition() < paragraphEnd) {
            TextLayout layout = lineMeasurer.nextLayout(width - 2*sidePadding);// - rightPadding - leftPadding);
            
            // Move y-coordinate by the ascent of the layout.
            drawPosY += layout.getAscent();
            
           /* Compute pen x position.  If the paragraph is
              right-to-left, we want to align the TextLayouts
              to the right edge of the panel.
            */
            float drawPosX;
            if (layout.isLeftToRight()) {
                drawPosX = 0;
            } else {
                drawPosX = width - layout.getAdvance() - sidePadding;
            }
            
            // Draw the TextLayout at (drawPosX, drawPosY) with paddings;
            layout.draw(graphics, drawPosX, drawPosY);
            
            // Move y-coordinate in preparation for next layout.
            drawPosY += layout.getDescent() + layout.getLeading();
        }
        
        graphics.dispose();
        return image;
    }
  
  private static String makeFileName(int surahNumber, int index) {
    String  SNM, ANM;
    
    if (surahNumber < 10 )
      SNM = "00" + surahNumber;
    else if (surahNumber < 100 )
      SNM = "0"+surahNumber;
    else 
      SNM = ""+surahNumber;
    
    if (index < 10 )
      ANM = "00"+index;
    else if (index < 100)
      ANM = "0"+index;
    else 
      ANM = ""+index;
    
    return SNM + ANM;
  }
}