19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.text; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AndroidCharacter exposes some character properties that are not 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * easily accessed from java.lang.Character. 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class AndroidCharacter 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 25bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root public static final int EAST_ASIAN_WIDTH_NEUTRAL = 0; 26bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root public static final int EAST_ASIAN_WIDTH_AMBIGUOUS = 1; 27bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root public static final int EAST_ASIAN_WIDTH_HALF_WIDTH = 2; 28bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root public static final int EAST_ASIAN_WIDTH_FULL_WIDTH = 3; 29bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root public static final int EAST_ASIAN_WIDTH_NARROW = 4; 30bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root public static final int EAST_ASIAN_WIDTH_WIDE = 5; 31bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill in the first <code>count</code> bytes of <code>dest</code> with the 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * directionalities from the first <code>count</code> chars of <code>src</code>. 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is just like Character.getDirectionality() except it is a 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * batch operation. 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native static void getDirectionalities(char[] src, byte[] dest, 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count); 40bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root 41bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root /** 42bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * Calculate the East Asian Width of a character according to 43bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * <a href="http://unicode.org/reports/tr11/">Unicode TR#11</a>. The return 44bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * will be one of {@link #EAST_ASIAN_WIDTH_NEUTRAL}, 45bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * {@link #EAST_ASIAN_WIDTH_AMBIGUOUS}, {@link #EAST_ASIAN_WIDTH_HALF_WIDTH}, 46bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * {@link #EAST_ASIAN_WIDTH_FULL_WIDTH}, {@link #EAST_ASIAN_WIDTH_NARROW}, 47bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * or {@link #EAST_ASIAN_WIDTH_WIDE}. 48bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * 49bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * @param input the character to measure 50bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * @return the East Asian Width for input 51bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root */ 52bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root public native static int getEastAsianWidth(char input); 53bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root 54bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root /** 55bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * Fill the first <code>count</code> bytes of <code>dest</code> with the 5618b221af466a5826066d30ca580bd5bd05b9c03cKenny Root * East Asian Width from <code>count</code> chars of <code>src</code> 5718b221af466a5826066d30ca580bd5bd05b9c03cKenny Root * starting at <code>start</code>. East Asian Width is calculated based on 58bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * <a href="http://unicode.org/reports/tr11/">Unicode TR#11</a>. Each entry 5918b221af466a5826066d30ca580bd5bd05b9c03cKenny Root * in <code>dest</code> will be one of {@link #EAST_ASIAN_WIDTH_NEUTRAL}, 60bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * {@link #EAST_ASIAN_WIDTH_AMBIGUOUS}, {@link #EAST_ASIAN_WIDTH_HALF_WIDTH}, 61bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * {@link #EAST_ASIAN_WIDTH_FULL_WIDTH}, {@link #EAST_ASIAN_WIDTH_NARROW}, 62bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * or {@link #EAST_ASIAN_WIDTH_WIDE}. 63bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * 64bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * @param src character array of input to measure 65bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * @param start first character in array to measure 66bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * @param count maximum number of characters to measure 67bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root * @param dest byte array of results for each character in src 68bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root */ 69bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root public native static void getEastAsianWidths(char[] src, int start, 70bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root int count, byte[] dest); 71bb9a51768d2d9dddbe2394b99a00544a3d144facKenny Root 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Replace the specified slice of <code>text</code> with the chars' 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * right-to-left mirrors (if any), returning true if any 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replacements were made. 76073a3d56ea7505126469dd9ed4c20a7a8923690dKenny Root * 77073a3d56ea7505126469dd9ed4c20a7a8923690dKenny Root * @param text array of characters to apply mirror operation 78073a3d56ea7505126469dd9ed4c20a7a8923690dKenny Root * @param start first character in array to mirror 79073a3d56ea7505126469dd9ed4c20a7a8923690dKenny Root * @param count maximum number of characters to mirror 80073a3d56ea7505126469dd9ed4c20a7a8923690dKenny Root * @return true if replacements were made 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native static boolean mirror(char[] text, int start, int count); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the right-to-left mirror (or the original char if none) 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the specified char. 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native static char getMirror(char ch); 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 90