| /* |
| * 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.afp.ioca; |
| |
| /** |
| * Raster data is a grid of cells covering an area of interest. |
| * Each pixel, the smallest unit of information in the grid, displays |
| * a unique attribute. This static class generates raster data for different |
| * shades of grey (betweeen 0 and 16) the lower the number being the |
| * darker the shade. The image data dimensions are 64 x 8. |
| */ |
| public class ImageRasterPattern { |
| |
| /** |
| * The Raster Pattern for Greyscale 16 |
| */ |
| private static final byte[] GREYSCALE16 = new byte[] { |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| }; |
| |
| /** |
| * The Raster Pattern for Greyscale 15 |
| */ |
| private static final byte[] GREYSCALE15 = new byte[] { |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| }; |
| |
| /** |
| * The Raster Pattern for Greyscale 14 |
| */ |
| private static final byte[] GREYSCALE14 = new byte[] { |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| }; |
| |
| |
| /** |
| * The Raster Pattern for Greyscale 13 |
| */ |
| private static final byte[] GREYSCALE13 = new byte[] { |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| }; |
| |
| /** |
| * The Raster Pattern for Greyscale 12 |
| */ |
| private static final byte[] GREYSCALE12 = new byte[] { |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x00, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| }; |
| |
| /** |
| * The Raster Pattern for Greyscale 11 |
| */ |
| private static final byte[] GREYSCALE11 = new byte[] { |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| }; |
| |
| /** |
| * The Raster Pattern for Greyscale 10 |
| */ |
| private static final byte[] GREYSCALE10 = new byte[] { |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| 0x44, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| }; |
| |
| /** |
| * The Raster Pattern for Greyscale 9 |
| */ |
| private static final byte[] GREYSCALE09 = new byte[] { |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| 0x11, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| }; |
| |
| /** |
| * The Raster Pattern for Greyscale 8 |
| */ |
| private static final byte[] GREYSCALE08 = new byte[] { |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| }; |
| |
| |
| /** |
| * The Raster Pattern for Greyscale 7 |
| */ |
| private static final byte[] GREYSCALE07 = new byte[] { |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| }; |
| |
| |
| /** |
| * The Raster Pattern for Greyscale 6 |
| */ |
| private static final byte[] GREYSCALE06 = new byte[] { |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| (byte)0xEE, |
| (byte)0xEE, |
| (byte)0xEE, |
| (byte)0xEE, |
| (byte)0xEE, |
| (byte)0xEE, |
| (byte)0xEE, |
| (byte)0xEE, |
| }; |
| |
| /** |
| * The Raster Pattern for Greyscale 5 |
| */ |
| private static final byte[] GREYSCALE05 = new byte[] { |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xEE, |
| (byte)0xEE, |
| (byte)0xEE, |
| (byte)0xEE, |
| (byte)0xEE, |
| (byte)0xEE, |
| (byte)0xEE, |
| (byte)0xEE, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| }; |
| |
| |
| /** |
| * The Raster Pattern for Greyscale 4 |
| */ |
| private static final byte[] GREYSCALE04 = new byte[] { |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xAA, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| }; |
| |
| /** |
| * The Raster Pattern for Greyscale 3 |
| */ |
| private static final byte[] GREYSCALE03 = new byte[] { |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| 0x55, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xBB, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| }; |
| |
| /** |
| * The Raster Pattern for Greyscale 2 |
| */ |
| private static final byte[] GREYSCALE02 = new byte[] { |
| 0x77, |
| 0x77, |
| 0x77, |
| 0x77, |
| 0x77, |
| 0x77, |
| 0x77, |
| 0x77, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xDD, |
| (byte)0xDD, |
| (byte)0xDD, |
| (byte)0xDD, |
| (byte)0xDD, |
| (byte)0xDD, |
| (byte)0xDD, |
| (byte)0xDD, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| }; |
| |
| |
| /** |
| * The Raster Pattern for Greyscale 1 |
| */ |
| private static final byte[] GREYSCALE01 = new byte[] { |
| 0x77, |
| 0x77, |
| 0x77, |
| 0x77, |
| 0x77, |
| 0x77, |
| 0x77, |
| 0x77, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| }; |
| |
| |
| /** |
| * The Raster Pattern for Greyscale 00 |
| */ |
| private static final byte[] GREYSCALE00 = new byte[] { |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| (byte)0xFF, |
| }; |
| |
| /** |
| * Static method to return the raster image data for the |
| * grey scale specified. The scale should be between 0 (darkest) |
| * and 16 (lightest). |
| * @param greyscale The grey scale value (0 - 16) |
| * @return the raster data byte array for the given greyscale value |
| */ |
| public static byte[] getRasterData(int greyscale) { |
| |
| int repeat = 16; |
| |
| byte[] greypattern = new byte[32]; |
| byte[] rasterdata = new byte[32 * repeat]; |
| |
| switch (greyscale) { |
| case 0: |
| System.arraycopy(GREYSCALE00, 0, greypattern, 0, 32); |
| break; |
| case 1: |
| System.arraycopy(GREYSCALE01, 0, greypattern, 0, 32); |
| break; |
| case 2: |
| System.arraycopy(GREYSCALE02, 0, greypattern, 0, 32); |
| break; |
| case 3: |
| System.arraycopy(GREYSCALE03, 0, greypattern, 0, 32); |
| break; |
| case 4: |
| System.arraycopy(GREYSCALE04, 0, greypattern, 0, 32); |
| break; |
| case 5: |
| System.arraycopy(GREYSCALE05, 0, greypattern, 0, 32); |
| break; |
| case 6: |
| System.arraycopy(GREYSCALE06, 0, greypattern, 0, 32); |
| break; |
| case 7: |
| System.arraycopy(GREYSCALE07, 0, greypattern, 0, 32); |
| break; |
| case 8: |
| System.arraycopy(GREYSCALE08, 0, greypattern, 0, 32); |
| break; |
| case 9: |
| System.arraycopy(GREYSCALE09, 0, greypattern, 0, 32); |
| break; |
| case 10: |
| System.arraycopy(GREYSCALE10, 0, greypattern, 0, 32); |
| break; |
| case 11: |
| System.arraycopy(GREYSCALE11, 0, greypattern, 0, 32); |
| break; |
| case 12: |
| System.arraycopy(GREYSCALE12, 0, greypattern, 0, 32); |
| break; |
| case 13: |
| System.arraycopy(GREYSCALE13, 0, greypattern, 0, 32); |
| break; |
| case 14: |
| System.arraycopy(GREYSCALE14, 0, greypattern, 0, 32); |
| break; |
| case 15: |
| System.arraycopy(GREYSCALE15, 0, greypattern, 0, 32); |
| break; |
| case 16: |
| System.arraycopy(GREYSCALE16, 0, greypattern, 0, 32); |
| break; |
| default : |
| System.arraycopy(GREYSCALE00, 0, greypattern, 0, 32); |
| break; |
| } |
| |
| for (int i = 0; i < repeat; i++) { |
| System.arraycopy(greypattern, 0, rasterdata, i * 32, 32); |
| } |
| return rasterdata; |
| } |
| } |
