| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.util; |
| |
| import java.awt.color.ColorSpace; |
| |
| import org.apache.fop.util.OCAColor.OCAColorValue; |
| |
| /** |
| * The OCA color space is a subset of RGB that includes a limited set of colors. |
| * The color value is specified with one unsigned binary component that |
| * specifies a named color using a two-byte value from the Standard |
| * OCA Color Value table. |
| * |
| */ |
| public class OCAColorSpace extends ColorSpace { |
| |
| private static final long serialVersionUID = 1L; |
| |
| protected OCAColorSpace() { |
| super(ColorSpace.TYPE_RGB, 1); |
| } |
| |
| public float[] fromCIEXYZ(float[] colorvalue) { |
| throw new UnsupportedOperationException("Color conversion from CIE XYZ to OCA is not possible"); |
| } |
| |
| public float[] fromRGB(float[] rgbvalue) { |
| throw new UnsupportedOperationException("Color conversion from RGB to OCA is not possible"); |
| } |
| |
| public float[] toCIEXYZ(float[] colorvalue) { |
| float[] rgb = toRGB(colorvalue); |
| ColorSpace sRGB = ColorSpace.getInstance(ColorSpace.CS_sRGB); |
| return sRGB.toCIEXYZ(rgb); |
| } |
| |
| public float[] toRGB(float[] colorvalue) { |
| int oca = (int) colorvalue[0]; |
| if (oca == OCAColorValue.BLACK.value) { |
| return new float[]{0, 0, 0}; |
| } else if (oca == OCAColorValue.BLUE.value) { |
| return new float[]{0, 0, 1.0f}; |
| } else if (oca == OCAColorValue.BROWN.value) { |
| return new float[]{0.565f, 0.188f, 0}; |
| } else if (oca == OCAColorValue.CYAN.value) { |
| return new float[]{0, 1.0f, 1.0f}; |
| } else if (oca == OCAColorValue.GREEN.value) { |
| return new float[]{0, 1.0f, 0}; |
| } else if (oca == OCAColorValue.MAGENTA.value) { |
| return new float[]{1.0f, 0, 1.0f}; |
| } else if (oca == OCAColorValue.RED.value) { |
| return new float[]{1.0f, 0, 0}; |
| } else if (oca == OCAColorValue.YELLOW.value) { |
| return new float[]{1.0f, 1.0f, 0}; |
| } |
| return null; |
| } |
| |
| } |