// //////////////////////////////////////////////////////////////////////////
// Printer – Jpg and Text (more can easily be implemented)
//
// PrintService http://java.sun.com/j2se/1.4.2/docs/api/javax/print/PrintService.html
// DocFlavor http://java.sun.com/j2se/1.4.2/docs/api/javax/print/DocFlavor.html
// PrintRequestAttributeSet http://java.sun.com/j2se/1.4.2/docs/api/javax/print/attribute/PrintRequestAttributeSet.html
// Attribute http://java.sun.com/j2se/1.4.2/docs/api/javax/print/attribute/Attribute.html
//
//
// Yonas Sandbæk – http://seltar.wliia.org
// //////////////////////////////////////////////////////////////////////////

import javax.print.*;
import javax.print.attribute.*;
import com.sun.image.codec.jpeg.*;

class PrintIt{
PrintService[] services;
PrintService service;
DocFlavor docflavor;
Doc myDoc;
PrintRequestAttributeSet aset;
DocPrintJob job;
PrintIt(){
myDoc = null;
job = null;
services = null;
setService(PrintServiceLookup.lookupDefaultPrintService());
setDocFlavor(DocFlavor.BYTE_ARRAY.AUTOSENSE);
aset =  new HashPrintRequestAttributeSet();
}

void setService(PrintService p)
{
service = p;
}

void setDocFlavor(DocFlavor d)
{
docflavor = d;
}

void listPrinters(){
services = PrintServiceLookup.lookupPrintServices(null, null);
for (int i = 0; i < services.length; i++) {
System.out.println(services[i].getName());
DocFlavor[] d = services[i].getSupportedDocFlavors();
for(int j = 0; j < d.length; j++)
System.out.println(”  “+d[j].getMimeType());
}
services = null;
}

// prints a given image
void printJpg(PImage img){
setDocFlavor(DocFlavor.BYTE_ARRAY.JPEG);
print(bufferImage(img));
}

// prints a given string
void printString(String s){
setDocFlavor(DocFlavor.BYTE_ARRAY.AUTOSENSE);
print(s.getBytes());
}

boolean print(byte[] b){
if(!service.isDocFlavorSupported(docflavor)){
println(”MimeType: \”"+docflavor.getMimeType()+”\” not supported by the currently selected printer”);
return false;
}

boolean ret = true;
try{
myDoc = new SimpleDoc(b, docflavor, null);
}
catch(Exception e){
println(e);
ret = false;
}

job = service.createPrintJob();
try {
job.print(myDoc, aset);
}
catch (PrintException pe) {
println(pe);
ret = false;
}

return ret;
}

// used with printJpg()
byte[] bufferImage(PImage srcimg){
ByteArrayOutputStream out = new ByteArrayOutputStream();
BufferedImage img = new BufferedImage(srcimg.width, srcimg.height, 2);
img = (BufferedImage)createImage(srcimg.width, srcimg.height);
for(int i = 0; i < srcimg.width; i++)
{
for(int j = 0; j < srcimg.height; j++)
{
int id = j*srcimg.width+i;
img.setRGB(i,j, srcimg.pixels[id]);
}
}
try{
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
JPEGEncodeParam encpar = encoder.getDefaultJPEGEncodeParam(img);
encpar.setQuality(1,false);
encoder.setJPEGEncodeParam(encpar);
encoder.encode(img);
}
catch(FileNotFoundException e){
System.out.println(e);
}
catch(IOException ioe){
System.out.println(ioe);
}
return out.toByteArray();
}

}

PrintIt p = new PrintIt();

if(keyPressed && key == ‘p’) p.printJpg(get(0,0,width,height));