/**
* This will set a color in the color lookup table.
*
* @param componentNumber The component number, probably 1,2,3,3.
* @param lookupIndex The zero-based index into the table, should not exceed the high value.
* @param color The color that will go into the table.
* @throws IOException If there is an error looking up the color.
*/
public void setLookupColor(int componentNumber, int lookupIndex, int color) throws IOException {
PDColorSpace baseColor = getBaseColorSpace();
int numberOfComponents = baseColor.getNumberOfComponents();
byte[] data = getLookupData();
data[componentNumber * numberOfComponents + lookupIndex] = (byte) color;
COSString string = new COSString(data);
array.set(3, string);
}
/**
* This will set the a range for this color space.
*
* @param range The new range for the a component.
* @param n The component to set the range for.
*/
public void setRangeForComponent(PDRange range, int n) {
COSArray rangeArray = getRangeArray(n);
rangeArray.set(n * 2, new COSFloat(range.getMin()));
rangeArray.set(n * 2 + 1, new COSFloat(range.getMax()));
}
/**
* This will set the highest value that is allowed. This cannot be higher than 255.
*
* @param high The highest value for the lookup table.
*/
public void setHighValue(int high) {
array.set(2, new COSInteger(high));
}
/**
* This will set the base color space.
*
* @param base The base color space to use as the index.
*/
public void setBaseColorSpace(PDColorSpace base) {
array.set(1, base.getCOSObject());
}
