This program scans pixels and prints accordingly. It will work with any font. For better output please use bigger size
Few examples this would be as font, I just made image to see properly in web.
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.awt.image.PixelGrabber;
import java.util.ArrayList;
import java.util.List;
public class FontAlgo {
private static final char CHAR_TO_PATTERN = '@';
private static final int WIDTH = 50;
private static final int HEIGHT = 50;
private static final boolean isReverse = true;
private static final Font appliedFont = new Font("Couirer new", Font.BOLD, 20);
private static TextualChar getTextualChar(char a_char) throws Throwable {
BufferedImage bImg = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_RGB);
Graphics g = bImg.getGraphics();
g.setColor(Color.green);
g.fillRect(0, 0, WIDTH, HEIGHT);
g.setFont(appliedFont);
g.setColor(Color.black);
g.drawString(new String(new char[] { a_char }), 10, g.getFontMetrics().getHeight());
PixelGrabber p = new PixelGrabber(bImg, 0, 0, WIDTH, HEIGHT, true);
if (p.grabPixels()) {
char[][] pattern = new char[WIDTH][HEIGHT];
int baseColourPixel = 0, contrastColourPixel = 0, x1 = 0, x2 = 0, y1 = 0, y2 = 0;
int[] pixels = (int[]) p.getPixels();
baseColourPixel = pixels[0];
// System.out.println("base: " + base);
int xCounter = 0, yCounter = 0;
for (int iPixel : pixels) {
// System.out.println(iX + " - " + iY);
if (isReverse) {
pattern[xCounter][yCounter] = iPixel == baseColourPixel ? CHAR_TO_PATTERN : ' ';
} else {
pattern[xCounter][yCounter] = iPixel != baseColourPixel ? CHAR_TO_PATTERN : ' ';
}
yCounter++;
if (yCounter > 49) {
xCounter++;
yCounter = 0;
}
if (contrastColourPixel == 0 && iPixel != baseColourPixel) {
contrastColourPixel = iPixel;
x1 = xCounter - 2;
y1 = yCounter - 3;
y2 = yCounter + 3;
}
if (contrastColourPixel == iPixel) {
x2 = xCounter + 3;
if (y1 > (yCounter - 3)) {
y1 = yCounter - 3;
}
if (y2 < (yCounter + 3)) {
y2 = yCounter + 3;
}
}
}
return new TextualChar(x1, x2, y1, y2, pattern);
}
return null;
}
private static List getTexualChars(String strText) throws Throwable {
List returnList = new ArrayList();
for (byte lbyte : strText.getBytes()) {
TextualChar tChar = getTextualChar((char) lbyte);
returnList.add(tChar);
}
return returnList;
}
public static void main(String[] args) throws Throwable {
List textualCharList = getTexualChars("Ayantika");
TextualChar tChar1 = textualCharList.get(0);
int endPos = tChar1.getxPos2();
for (int iCounter = tChar1.getxPos1(); iCounter < endPos; iCounter++) {
for (TextualChar tChar : textualCharList) {
if (endPos < tChar.getxPos2()) {
endPos = tChar.getxPos2();
}
for (int iInnerCounter = tChar.getyPos1(); iInnerCounter < tChar.getyPos2(); iInnerCounter++) {
System.out.print(tChar.getPixelPattern()[iCounter][iInnerCounter]);
}
}
System.out.println();
}
}
static class TextualChar {
private int xPos1 = 0;
private int xPos2 = 0;
private int yPos1 = 0;
private int yPos2 = 0;
private char[][] pixelPattern = new char[WIDTH][HEIGHT];
public TextualChar(int xPos1, int xPos2, int yPos1, int yPos2, char[][] a_pattern) {
this.xPos1 = xPos1;
this.xPos2 = xPos2;
this.yPos1 = yPos1;
this.yPos2 = yPos2;
this.pixelPattern = a_pattern;
}
public char[][] getPixelPattern() {
return pixelPattern;
}
public int getxPos1() {
return xPos1;
}
public int getxPos2() {
return xPos2;
}
public int getyPos1() {
return yPos1;
}
public int getyPos2() {
return yPos2;
}
}
}
