This is a simple decoder / converter to jpg / png in Java for PCX image format.
It supports the Monochrome & 24 bit color images in PCX format. I will add support
for other formats as & when I come across them.
===================================================
/**
* @author Koustubha Kale
* koustubha_kale@yahoo.com
* I have made liberal use of the code I have found on the net in this,
* although I did not find one that actually worked. Whereas this does. You can
use this
* in the same manner if you find it usefull.
*/
import com.sun.jimi.core.*;
import com.sun.jimi.core.raster.*;
import com.sun.jimi.core.JimiException;
import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.color.ICC_ColorSpace;
import java.awt.color.ICC_ProfileRGB;
import java.awt.event.*;
import java.awt.image.*;
import java.beans.PropertyVetoException;
import java.io.*;
import java.util.*;
import javax.imageio.*;
import java.util.Arrays;
public class GetFormats {
public static void main(String args[]) {
//String readFormats[] = Jimi.getDecoderTypes();
//String writeFormats[] = Jimi.getEncoderTypes();
//System.out.println("Decoders: " + Arrays.asList(readFormats));
//System.out.println("Encoders: " + Arrays.asList(writeFormats));
try {
//Image im = Jimi.getImage("ims.pcx", Jimi.SYNCHRONOUS);
//System.out.println("Image Height="+im.getHeight()+", Image Width="+im.getWidth());
//System.out.println("Is err? "+im.isError());
//Jimi.putImage("image/jpg", im, "ims-1.jpg");
//System.out.println("Wrote Image.");
//loadImage("ASCPRIN.pcx");
loadImage("DR.pcx");
} catch (Exception e) {
System.out.println("Err :" + e);
e.printStackTrace();
}
}
public static void loadImage(java.lang.String imageFilename)
throws IOException, Exception {
// read the image head
byte[] head = new byte[128];
int bitPlane = 0, type = 0;
long fileLength = new File(imageFilename).length();
BufferedInputStream openFile =
new BufferedInputStream(new FileInputStream(imageFilename));
long readLen = openFile.read(head, 0, 128);
if ((head[3] & 0xff) == 1 && (head[65] & 0xff) == 1) {
type = 0;
bitPlane = 1;
} else if (head[3] == 1 && head[65] == 2) {
type = 1;
bitPlane = 2;
} else if (head[3] == 2 && head[65] == 1) {
type = 2;
bitPlane = 1;
} else if (head[3] == 1 && head[65] == 3) {
type = 3;
bitPlane = 3;
} else if (head[3] == 1 && head[65] == 4) {
type = 4;
bitPlane = 4;
} else if (head[3] == 4 && head[65] == 1) {
type = 5;
bitPlane = 1;
} else if (head[3] == 8 && head[65] == 1) {
type = 6;
bitPlane = 1;
} else if (head[3] == 8 && head[65] == 3) {
type = 7;
bitPlane = 3;
}
System.out.print("nPlanes=" + (head[65] & 0xff));
System.out.print("Image type =" + type);
int width =
((((int) head[9] & 0x0ff) << 8) | ((int) head[8] & 0xff))
- ((((int) head[5] & 0x0ff) << 8) | ((int) head[4] & 0xff))
+ 1;
int height =
((((int) head[11] & 0x0ff) << 8) | ((int) head[10] & 0xff))
- ((((int) head[7] & 0x0ff) << 8) | ((int) head[6] & 0xff))
+ 1;
System.out.print("; Width,height=" + width + "," + height);
int version = head[1];
System.out.println("; version=" + version);
int color = 0;
if (version == 2 || version > 3)
color = 1;
else
color = 0;
int bytesPerLine = //(int) head[67] & 0x0ff;
((((int) head[67] & 0x0ff) << 8) | ((int) head[66] & 0xff));
System.out.println("bytesPerLine=" + bytesPerLine);
if (type == 0) {
if ((bytesPerLine*8)>width)
width=bytesPerLine*8;
BufferedImage innerImage =
new BufferedImage(
width,
height,
BufferedImage.TYPE_BYTE_BINARY);
java.awt.image.WritableRaster raster = innerImage.getRaster();
int[] unComData = new int[width * height];
int inc = 0;
byte[] tempAry = new byte[1];
while ((readLen = openFile.read(tempAry)) != -1) {
if (((int) tempAry[0] & 0xff) < 192) {
//for (int j = 0; j < 8; j++)
unComData[inc] = (int) tempAry[0] & 0xff;
//inc += 8;
//System.out.println("Data value="+((int) tempAry[0] & 0xff));
inc++;
} else {
int count = ((int) tempAry[0]) & 0x3f;
readLen = openFile.read(tempAry);
//System.out.println("multiple Data value="+((int) tempAry[0] & 0xff));
//System.out.println("Count="+count);
for (int j = 0; j < count; j++)
unComData[inc + j] = (int) tempAry[0] & 0xff;
inc += count;
}
}
System.out.println(
"Palett?=" + (unComData[unComData.length - 770] & 0xff));
System.out.println("inc=" + inc);
System.out.println("unComData length=" +unComData.length);
int[] data2 = new int[width * height];
int k = 0;
for (int j = 0; j < inc; j++) {
int temp = unComData[j];
for (int i = 1; i < 255; i *= 2, k++) {
//System.out.println("i="+i);
if ((temp & 0x80) == 0x80)
data2[k] |= 0x01;
else
data2[k] = 0x00;
temp <<= 1;
}
}
System.out.println("data2 length=" + k);
try {
raster.setPixels(0, 0, width, height, data2);
innerImage =
new BufferedImage(
innerImage.getColorModel(),
raster,
false,
null);
/*JFrame frame=new JFrame();
JLabel l=new JLabel();
l.setIcon(new ImageIcon(innerImage));
frame.getContentPane().add(l);
frame.pack();
frame.show();
*/
Jimi.putImage("image/jpg", innerImage, "ASCPRIN.jpg");
Jimi.putImage("image/png", innerImage, "ASCPRIN.png");
ImageIO.write(innerImage, "jpg", new File("ASCPRIN11.jpg"));
} catch (ArrayIndexOutOfBoundsException e) {
System.out.println("set image error!");
e.printStackTrace();
}
}
if (type == 7) {
BufferedImage innerImage =
new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
java.awt.image.WritableRaster raster = innerImage.getRaster();
int[] unComData = new int[width * height * 3];
int inc = 0;
byte[] tempAry = new byte[1];
while ((readLen = openFile.read(tempAry)) != -1) {
if (((int) tempAry[0] & 0xff) < 192) {
unComData[inc] = (int) tempAry[0] & 0xff;
inc++;
} else {
int count = ((int) tempAry[0]) & 0x3f;
readLen = openFile.read(tempAry);
//System.out.println("Count="+count);
for (int j = 0; j < count; j++)
unComData[inc + j] = (int) tempAry[0] & 0xff;
inc += count;
}
}
int[] rAry = new int[bytesPerLine];
int[] gAry = new int[bytesPerLine];
int[] bAry = new int[bytesPerLine];
int len = unComData.length;
for (int i = 0; i < len; i += bytesPerLine * 3) {
for (int j = 0; j < bytesPerLine; j++) {
rAry[j] = unComData[i + j];
// System.out.println(i+bytesPerLine+j);
gAry[j] = unComData[i + bytesPerLine + j];
bAry[j] = unComData[i + 2 * bytesPerLine + j];
}
for (int j = 0; j < bytesPerLine; j++) {
//for (int k = 0; k < 3; k++) {
unComData[i + (j * 3)] = rAry[j];
unComData[i + (j * 3) + 1] = gAry[j];
unComData[i + (j * 3) + 2] = bAry[j];
//}
}
}
System.out.println("unComData length=" + unComData.length);
System.out.println("inc=" + inc);
try {
raster.setPixels(0, 0, width, height, unComData);
//ColorModel cm=new DirectColorModel(java.awt.color.ColorSpace.getInstance(java.awt.color.ColorSpace.CS_sRGB),false,false,Transparency.TRANSLUCENT,DataBuffer.TYPE_BYTE);
innerImage =
new BufferedImage(
innerImage.getColorModel(),
raster,
false,
null);
Jimi.putImage("image/jpg", innerImage, "joshi-2.jpg");
Jimi.putImage("image/png", innerImage, "joshi-2.png");
ImageIO.write(innerImage, "jpg", new File("joshi.jpg"));
} catch (ArrayIndexOutOfBoundsException e) {
System.out.println("set image error!");
e.printStackTrace();
}
}
//
openFile.close();
}
}
//end of file..
=========================================================
Enjoy..
Regards
kk
