public static float[] getColorArray(BaseColor color) {
int type = ExtendedColor.getType(color);
switch (type) {
case ExtendedColor.TYPE_GRAY:
{
return new float[] {((GrayColor) color).getGray()};
}
case ExtendedColor.TYPE_CMYK:
{
CMYKColor cmyk = (CMYKColor) color;
return new float[] {cmyk.getCyan(), cmyk.getMagenta(), cmyk.getYellow(), cmyk.getBlack()};
}
case ExtendedColor.TYPE_SEPARATION:
{
return new float[] {((SpotColor) color).getTint()};
}
case ExtendedColor.TYPE_DEVICEN:
{
return ((DeviceNColor) color).getTints();
}
case ExtendedColor.TYPE_RGB:
{
return new float[] {
color.getRed() / 255f, color.getGreen() / 255f, color.getBlue() / 255f
};
}
}
throwColorSpaceError();
return null;
}
protected PdfObject getSpotObject(PdfWriter writer) throws IOException {
PdfArray array = new PdfArray(PdfName.SEPARATION);
array.add(name);
PdfFunction func = null;
if (altcs instanceof ExtendedColor) {
int type = ((ExtendedColor) altcs).type;
// ssteward
// having trouble with unreachable bytecode in switch default (per gcj 4.4)
// so try a clumsier workaround
boolean handled_b = false;
switch (type) {
case ExtendedColor.TYPE_GRAY:
array.add(PdfName.DEVICEGRAY);
func =
PdfFunction.type2(
writer,
new float[] {0, 1},
null,
new float[] {0},
new float[] {((GrayColor) altcs).getGray()},
1);
handled_b = true;
break;
case ExtendedColor.TYPE_CMYK:
array.add(PdfName.DEVICECMYK);
CMYKColor cmyk = (CMYKColor) altcs;
func =
PdfFunction.type2(
writer,
new float[] {0, 1},
null,
new float[] {0, 0, 0, 0},
new float[] {
cmyk.getCyan(), cmyk.getMagenta(), cmyk.getYellow(), cmyk.getBlack()
},
1);
handled_b = true;
break;
// default:
// throw new RuntimeException("Only RGB, Gray and CMYK are supported as
// alternative color spaces.");
}
if (!handled_b) {
throw new RuntimeException(
"Only RGB, Gray and CMYK are supported as alternative color spaces.");
}
} else {
array.add(PdfName.DEVICERGB);
func =
PdfFunction.type2(
writer,
new float[] {0, 1},
null,
new float[] {1, 1, 1},
new float[] {
(float) altcs.getRed() / 255,
(float) altcs.getGreen() / 255,
(float) altcs.getBlue() / 255
},
1);
}
array.add(func.getReference());
return array;
}
