public static void checkCompatibleColors(BaseColor c1, BaseColor c2) {
int type1 = ExtendedColor.getType(c1);
int type2 = ExtendedColor.getType(c2);
if (type1 != type2)
throw new IllegalArgumentException(
MessageLocalization.getComposedMessage("both.colors.must.be.of.the.same.type"));
if (type1 == ExtendedColor.TYPE_SEPARATION
&& ((SpotColor) c1).getPdfSpotColor() != ((SpotColor) c2).getPdfSpotColor())
throw new IllegalArgumentException(
MessageLocalization.getComposedMessage(
"the.spot.color.must.be.the.same.only.the.tint.can.vary"));
if (type1 == ExtendedColor.TYPE_PATTERN || type1 == ExtendedColor.TYPE_SHADING)
throwColorSpaceError();
}
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 void setColorSpace(BaseColor color) {
cspace = color;
int type = ExtendedColor.getType(color);
PdfObject colorSpace = null;
switch (type) {
case ExtendedColor.TYPE_GRAY:
{
colorSpace = PdfName.DEVICEGRAY;
break;
}
case ExtendedColor.TYPE_CMYK:
{
colorSpace = PdfName.DEVICECMYK;
break;
}
case ExtendedColor.TYPE_SEPARATION:
{
SpotColor spot = (SpotColor) color;
colorDetails = writer.addSimple(spot.getPdfSpotColor());
colorSpace = colorDetails.getIndirectReference();
break;
}
case ExtendedColor.TYPE_DEVICEN:
{
DeviceNColor deviceNColor = (DeviceNColor) color;
colorDetails = writer.addSimple(deviceNColor.getPdfDeviceNColor());
colorSpace = colorDetails.getIndirectReference();
break;
}
case ExtendedColor.TYPE_PATTERN:
case ExtendedColor.TYPE_SHADING:
{
throwColorSpaceError();
}
default:
colorSpace = PdfName.DEVICERGB;
break;
}
shading.put(PdfName.COLORSPACE, colorSpace);
}
