hi all,
i got this code from net, tried to run my winxp SP2 machine. It complied but i am not am to interpret using
java ImageToCode input.gif output g.
Here is the code
package com.applook.tools;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.util.Hashtable;
import java.util.HashMap;
import java.util.Vector;
import java.util.*;
import java.net.URL;
import java.net.URLClassLoader;
import java.io.*;
public class ImageToCode {
static
String imageSource = "";
static String outputFile = "";
static String prefix = "";
static HashMap storeByColor = new HashMap();
int xOffSet = 0 ;
int yOffSet = 0 ;
public static void main (String args[])
{
if(args.length != 3)
{
System.out.println("Usage: java ImageToCode <sourceimage> <outputfile> <graphicsprefix>");
System.out.println("<sourceimage>\tThe gif image to be processed");
System.out.println("<outputfile>\tThe generated code will be written out to this file in plain text format ");
System.out.println("<graphicsprefix>\tThe variable name of your graphics context i.e. g.");
System.exit(0);
}
else
{
imageSource = args[0];
outputFile = args[1];
prefix = args[2];
Image source = loadImage(imageSource);
processImage(loadImage(imageSource));
System.out.println("completed");
System.exit(0);
}
}
static private void processImage(Image source)
{
BufferedImage buf = null;
if(source != null)
{
buf = toBufferedImage(source);
StringBuffer output = new StringBuffer();
}
if(source != null)
{
int width = buf.getWidth(null);
int height = buf.getHeight(null);
int rgbcol = -99999;
int lastrgb = -99999;
Color color;
int lastX = 0;
int lastY = 0;
int lastSetCol = 0;
for(int y =0 ; y < height; y++)
{
for(int x =0 ; x < width ; x++)
{
if(x==0)
{
lastX = 0;
lastrgb = buf.getRGB(x,y);
color = new Color(lastrgb);
lastSetCol = lastrgb;
lastY = y;
}
rgbcol = buf.getRGB(x,y);
color = new Color(rgbcol);
if(rgbcol != lastrgb )
{
storeLine(String.valueOf(lastSetCol), new LineData(lastX,lastY,x-1,lastY));
lastX = x;
lastY = y;
lastSetCol = rgbcol;
// trap last pixel
if(x == (width -1))
storeLine(String.valueOf(lastSetCol), new LineData(lastX,lastY,x,lastY));
lastrgb = rgbcol;
}
// solid horizontal line
if((x == (width-1)) && lastX == 0 )
storeLine(String.valueOf(lastSetCol), new LineData(lastX,lastY,x,lastY));
}
}
optimiseOutput();
}
}
private void processSolidBlocks()
{
}
static void storeLine(String key, LineData data)
{
if(storeByColor.containsKey(key))
{
Vector temp = (Vector)storeByColor.get(key);
temp.add(data);
storeByColor.put(key,temp);
}
else
{
Vector temp = new Vector();
temp.add(data);
storeByColor.put(key,temp);
}
}
static void optimiseOutput()
{
Iterator iter = storeByColor.keySet().iterator();
LineData data;
Vector vec;
StringBuffer output = new StringBuffer();
Color col;
int tracker = 0;
while (iter.hasNext())
{
Object aKey = iter.next();
col = new Color(Integer.parseInt((String)aKey));
output.append(prefix + "setColor(new Color(" + col.getRGB() + ")); \n");
//System.out.println("colour used: RGB: " + col.getRGB() + " , HEX: " + getHexColor(col.getRed(),col.getGreen(),col.getBlue()) );
tracker++;
vec = (Vector)storeByColor.get(aKey);
Enumeration enum = vec.elements();
while(enum.hasMoreElements())
{
data = (LineData)enum.nextElement();
output.append(prefix + "drawLine(" + String.valueOf(data.x1) + "," + String.valueOf(data.y1) + "," + String.valueOf(data.x2) + "," + String.valueOf(data.y2)+ "); \n" );
tracker++;
}
}
try
{
PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(outputFile)));
out.write(output.toString());
out.flush();
out.close();
}
catch(Exception e)
{
System.out.println(e.getMessage());
}
System.out.println("lines of code generated = " + tracker);
}
static private Image loadImage(String imageName)
{
Image image = null;
try
{
image = Toolkit.getDefaultToolkit().getImage(imageName);
MediaTracker mediaTracker = new MediaTracker(new Frame());
mediaTracker.addImage(image, 0);
mediaTracker.waitForID(0);
}
catch(Exception e)
{
System.out.println("Error loading image + " + imageName + " : " + e.getMessage());
}
return image;
}
// This method returns true if the specified image has transparent pixels
public static boolean hasAlpha(Image image) {
// If buffered image, the color model is readily available
if (image instanceof BufferedImage) {
BufferedImage bimage = (BufferedImage)image;
return bimage.getColorModel().hasAlpha();
}
// Use a pixel grabber to retrieve the image's color model;
// grabbing a single pixel is usually sufficient
PixelGrabber pg = new PixelGrabber(image, 0, 0, 1, 1, false);
try {
pg.grabPixels();
} catch (InterruptedException e) {
}
// Get the image's color model
ColorModel cm = pg.getColorModel();
return cm.hasAlpha();
}
public static BufferedImage toBufferedImage(Image image) {
if (image instanceof BufferedImage) {
return (BufferedImage)image;
}
// This code ensures that all the pixels in the image are loaded
image = new ImageIcon(image).getImage();
// Determine if the image has transparent pixels; for this method's
// implementation, see e665 Determining If an Image Has Transparent Pixels
boolean hasAlpha = hasAlpha(image);
// Create a buffered image with a format that's compatible with the screen
BufferedImage bimage = null;
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
try {
// Determine the type of transparency of the new buffered image
int transparency = Transparency.OPAQUE;
if (hasAlpha) {
transparency = Transparency.BITMASK;
}
// Create the buffered image
GraphicsDevice gs = ge.getDefaultScreenDevice();
GraphicsConfiguration gc = gs.getDefaultConfiguration();
bimage = gc.createCompatibleImage(
image.getWidth(null), image.getHeight(null), transparency);
} catch (Exception e) {
// The system does not have a screen
}
if (bimage == null) {
// Create a buffered image using the default color model
int type = BufferedImage.TYPE_INT_RGB;
if (hasAlpha) {
type = BufferedImage.TYPE_INT_ARGB;
}
bimage = new BufferedImage(image.getWidth(null), image.getHeight(null), type);
}
// Copy image to buffered image
Graphics g = bimage.createGraphics();
// Paint the image onto the buffered image
g.drawImage(image, 0, 0, null);
g.dispose();
return bimage;
}
static private String getHexColor(int r,int g,int b)
{
String[] RGB = new String[256];
int k =0;
String[] hex = {"0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"};
for(int i = 0 ; i < 16; i++)
{
for(int j=0;j<16;j++)
{
RGB[k] = hex
+ hex[j];
k++;
}
}
return "#" + RGB[r] + RGB[g] + RGB;
}
static public class LineData {
int x1;
int y1;
int x2;
int y2;
public LineData(int x1, int y1, int x2, int y2)
{
this.x1 = x1;
this.y1 = y1;
this.x2 = x2;
this.y2 = y2;
}
}
}
i am getting this message :
Exception in thread "main" java.lang.NoClassDefFoundError: ImageToCode (wrong na
me: com/applook/tools/ImageToCode)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12
3)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
hope somebody is there to help me
Regards
[B][I]surya :cool:
Surya