Очень забавная программка. Конвертирует
изображение картинки .GIF/.JPG в HTML формат :)
import java.awt.*;
import java.awt.image.*;
import java.io.*;
import java.awt.event.*;
public class img2html extends Frame
{
static Image im=null;
static int W=-1,H=-1;
public img2html() {}
public static void main(String args[])
{
String infile,outfile;
infile="UNSPECIFIED";
outfile="UNSPECIFIED";
boolean paramsOK=false,mode=false;
if (args.length <= 1) {
usage();
paramsOK=false;
}
if (args.length == 2) {
infile = args[0];
outfile = args[1];
paramsOK=true;
}
if (paramsOK) {
System.out.println("img2html :");
System.out.println(" image file " + infile);
System.out.println(" data file " + outfile);
img2html widow = new img2html();
System.out.println("img2html : Loading image file");
if (widow.processFile(infile)==false) {
System.exit(0);
}
System.out.println("img2html : Saving data file");
saveByteData(outfile,mode);
System.exit(0);
}
}
public static void saveByteData(String fn,boolean i)
{
int[] grabMapXY;
grabMapXY = new int[(W * H)];
int pix;
PixelGrabber pg = new PixelGrabber(im,0,0,W,H,grabMapXY,0,W);
// start grab
try {
pg.grabPixels();
} catch (InterruptedException e) {
System.out.println("Map grab failed : " + e);
return;
}
if ((pg.status() & ImageObserver.ABORT) != 0) {
System.out.println("Map grab failed !");
return;
}
// need to base r on number of valid pixels
writeToFn(fn,"<HTML>");
writeToFn(fn,"");
writeToFn(fn,"<BODY>");
writeToFn(fn,"");
writeToFn(fn,"<TABLE border=0 cellspacing=0 cellpadding=0>");
int red,green,blue,p;
String r,g,b;
Color c;
for (int y =0; y < H; y++) {
writeToFn(fn," <TR>");
for (int x =0; x < W; x++) {
pix=grabMapXY[ y * W + x ];
c = new Color(pix);
red=c.getRed();
blue=c.getBlue();
green=c.getGreen();
r=Integer.toHexString(red);
g=Integer.toHexString(green);
b=Integer.toHexString(blue);
if (r.length()==1) { r="0"+r; }
if (g.length()==1) { g="0"+g; }
if (b.length()==1) { b="0"+b; }
writeToFn(fn," <TD WIDTH=1 HEIGHT=1 BGCOLOR=#" + r + g + b + ">", " " + x + "," + y + " - of - " + W + "," + H);
writeToFn(fn," </TD>");
}
writeToFn(fn," </TR>");
}
writeToFn(fn,"");
writeToFn(fn,"</TABLE>");
writeToFn(fn,"");
writeToFn(fn,"</BODY>");
writeToFn(fn,"</HTML>");
}
public static void writeToFn(String fn,String Dbytes,String status) {
try {
System.out.println(Dbytes + " pixel " + status);
DataOutputStream dos = new DataOutputStream( new FileOutputStream(fn,true));
dos.writeBytes(Dbytes); //
dos.writeByte(13); // line feed for each line
dos.writeByte(10); // line feed for each line
// close here
dos.close();
} catch (IOException e) {
System.err.println("File error: " + e.getMessage());
}
}
public static void writeToFn(String fn,String Dbytes) {
try {
System.out.println(Dbytes );
DataOutputStream dos = new DataOutputStream( new FileOutputStream(fn,true));
dos.writeBytes(Dbytes); //
dos.writeByte(13); // line feed for each line
dos.writeByte(10); // line feed for each line
// close here
dos.close();
} catch (IOException e) {
System.err.println("File error: " + e.getMessage());
}
}
public boolean processFile(String fn)
{
boolean OK=false;
int exitcounter;
try {
im = getToolkit().getImage(fn);
}
catch (Exception e)
{
System.out.println("1HOLY MOLY THIS NEVER HAPPENS!!!! "+e);
}
MediaTracker tracker= new MediaTracker(this);
tracker.addImage(im,0);
try {
tracker.waitForID(0);
}
catch (InterruptedException e)
{
System.out.println("2HOLY MOLY THIS NEVER HAPPENS "+e);
}
if (tracker.isErrorID(0)) {
System.out.println("IMAGE FILE COULD NOT BE LOADED");
System.out.println(fn);
} else {
exitcounter=0;
while ( ((W==-1)||(H==-1)) && (exitcounter<=16000000) ) {
W=im.getWidth(null);
H=im.getHeight(null);
exitcounter++;
}
if (exitcounter>15999999) {
System.out.println("Timeout attempting to load image, is it to big?");
} else {
OK=true;
}
}
return(OK);
}
public static void usage() {
System.out.println("Usage:");
System.out.println("java img2html infile outfile ");
System.out.println(" infile : image file .gif ");
System.out.println(" outfile : html file to be created");
//System.out.println(" /i : Inverse data ");
}
} // end of class
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СКАЧАТЬ ИСХОДНИК(~46Kb)