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From Floris <fne...@gmail.com>
Subject PDDeviceN
Date Wed, 25 Mar 2015 21:52:09 GMT
Hey there,

I am struggeling getting the PDDeviceN color space to work. I am trying 
to create a simple page with one rectangle having a color defined 
against a DeviceN space. I tried the following:

PDDeviceN cs =newPDDeviceN();
cs.setAlternateColorSpace(PDDeviceCMYK.INSTANCE);
cs.setColorantNames(Arrays.asList("Cyan","Magenta","Yellow","Black","Orange","Green"));

PDFunction func;
COSArray domains =newCOSArray();
COSArray ranges =newCOSArray();

domains.setFloatArray(new float[]{0.0f,1.0f,0.0f,1.0f,0.0f,1.0f,0.0f,1.0f,0.0f,1.0f,0.0f,1.0f});
ranges.setFloatArray(new float[]{0.0f,1.0f,0.0f,1.0f,0.0f,1.0f,0.0f,1.0f});

COSDictionary dict=newCOSDictionary();
dict.setItem(COSName.FUNCTION_TYPE, COSInteger.get(4));
dict.setItem(COSName.DOMAIN, domains);
dict.setItem(COSName.RANGE, ranges);

try{
	func = PDFunction.create(tintdata);
         cs.setTintTransform(func);
}catch(IOException e) {
         e.printStackTrace();
}

This results in a NullPointerError in the first row of the try-part. The 
type4-function should just pop the first two values (to get from CMYKOG 
to CMYK). Could someone give me a jump start on how to define a 
PDDeviceN space?

Have a nice day,
Floris

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