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Index › Programming Questions & Help › Programs › Printer Output
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Printer Output (Read 8971 times)
angelo
Re: Printer Output
Reply #15 - Mar 23rd, 2009, 6:57pm  
I think there something wrong with the bufferimage. it buffers the image with wrong coller aspects. But can't find it. yet Smiley
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angelo
Re: Printer Output
Reply #16 - Mar 23rd, 2009, 10:49pm  
Can someone find mistakes in this?
If I save or print an image trough this, it turend out brown/black.

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++)
     img.setRGB(i,j,srcimg.pixels[j*srcimg.width+i]);
 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();
}
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angelo
Re: Printer Output
Reply #17 - Mar 29th, 2009, 9:51am  
Ok, the code works fine for windows. But not for mac.
I olso tried some other possibilities for the docflavor. But without succes.
There must be something wrong with the mac encoder, render??

anyone who can help?

grtz angelo
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PhiLho 
Re: Printer Output
Reply #18 - Mar 29th, 2009, 10:38am  
A possible problem is transparency. It must be deactivated for Jpeg images. Try creating the BufferedImage with imageType set to BufferedImage.TYPE_INT_RGB. And not this 2 which comes from who know where! Smiley
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WWW  
angelo
Re: Printer Output
Reply #19 - Mar 29th, 2009, 12:20pm  
they came from the processing.org/hacks  Wink
Ok I will try to buffer it your way

edit:
Still turns out the same very black thing.
If I save that bufferedimage it's "black".
If I do saveFrame it's ok.
So is it possible to print from the save .jpg in my sketch folder.
using DocFlavor.INPUT_STREAM,JPEG instead of the DocFlavor.BYTE_ARRAY,JPEG?

sry I do not know anything about java.
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« Last Edit: Mar 29th, 2009, 4:43pm by angelo »  
 
leanderlike
Re: Printer Output
Reply #20 - May 17th, 2009, 5:06am  
does anyone has an idea why it only works when using windows?
i tried it on mac and i get the described black undefined color mix. when using windows it works perfectly well.....
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naus3a
Re: Printer Output
Reply #21 - May 18th, 2009, 8:36am  
wrote today some similar code and used the savejpg hack. i'm not having particular problems with the output (tried it on win and mac); the only thing i could suggest, in order to better control your printer, is to play a little with PrintRequestAttributeSet: give a look here and here to figure out how it works
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WWW naus3a naus3a inv3rn0muto  
leanderlike
Re: Printer Output
Reply #22 - May 19th, 2009, 10:23am  
oh thanks for those two links, they might help me....
so would you mind to post your code here?
maybe there some slight changes to the code already posted...
it's definitely strange that it only seems to be working on windows. so your post gives me a little hope to use it on mac as well Wink
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