StaticLayout.java revision 7b5676e4d40a09ccdbc8b6f691a3d8be23e480d3
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 19105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Projectimport android.graphics.Bitmap; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Paint; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport com.android.internal.util.ArrayUtils; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.style.LeadingMarginSpan; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.style.LineHeightSpan; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.style.MetricAffectingSpan; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.style.ReplacementSpan; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * StaticLayout is a Layout for text that will not be edited after it 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is laid out. Use {@link DynamicLayout} for text that may change. 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>This is used by widgets to control text layout. You should not need 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to use this class directly unless you are implementing your own widget 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or custom display object, or would be tempted to call 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.graphics.Canvas#drawText(java.lang.CharSequence, int, int, float, float, android.graphics.Paint) 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Canvas.drawText()} directly.</p> 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectStaticLayout 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectextends Layout 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public StaticLayout(CharSequence source, TextPaint paint, 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int width, 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Alignment align, float spacingmult, float spacingadd, 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad) { 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(source, 0, source.length(), paint, width, align, 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, includepad); 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public StaticLayout(CharSequence source, int bufstart, int bufend, 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextPaint paint, int outerwidth, 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Alignment align, 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad) { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(source, bufstart, bufend, paint, outerwidth, align, 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, includepad, null, 0); 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public StaticLayout(CharSequence source, int bufstart, int bufend, 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextPaint paint, int outerwidth, 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Alignment align, 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad, 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.TruncateAt ellipsize, int ellipsizedWidth) { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super((ellipsize == null) 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ? source 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : (source instanceof Spanned) 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ? new SpannedEllipsizer(source) 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : new Ellipsizer(source), 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint, outerwidth, align, spacingmult, spacingadd); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is annoying, but we can't refer to the layout until 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * superclass construction is finished, and the superclass 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constructor wants the reference to the display text. 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This will break if the superclass constructor ever actually 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cares about the content instead of just holding the reference. 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ellipsize != null) { 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Ellipsizer e = (Ellipsizer) getText(); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.mLayout = this; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.mWidth = ellipsizedWidth; 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.mMethod = ellipsize; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEllipsizedWidth = ellipsizedWidth; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColumns = COLUMNS_ELLIPSIZE; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColumns = COLUMNS_NORMAL; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEllipsizedWidth = outerwidth; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines = new int[ArrayUtils.idealIntArraySize(2 * mColumns)]; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections = new Directions[ 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayUtils.idealIntArraySize(2 * mColumns)]; 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project generate(source, bufstart, bufend, paint, outerwidth, align, 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, includepad, includepad, 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsize != null, ellipsizedWidth, ellipsize); 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChdirs = null; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChs = null; 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWidths = null; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFontMetricsInt = null; 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ StaticLayout(boolean ellipsize) { 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(null, null, 0, null, 0, 0); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColumns = COLUMNS_ELLIPSIZE; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines = new int[ArrayUtils.idealIntArraySize(2 * mColumns)]; 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections = new Directions[ 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayUtils.idealIntArraySize(2 * mColumns)]; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void generate(CharSequence source, int bufstart, int bufend, 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextPaint paint, int outerwidth, 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Alignment align, 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad, boolean trackpad, 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean breakOnlyAtSpaces, 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float ellipsizedWidth, TextUtils.TruncateAt where) { 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineCount = 0; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int v = 0; 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean needMultiply = (spacingmult != 1 || spacingadd != 0); 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint.FontMetricsInt fm = mFontMetricsInt; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] choosehtv = null; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int end = TextUtils.indexOf(source, '\n', bufstart, bufend); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bufsiz = end >= 0 ? end - bufstart : bufend - bufstart; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean first = true; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChdirs == null) { 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChdirs = new byte[ArrayUtils.idealByteArraySize(bufsiz + 1)]; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChs = new char[ArrayUtils.idealCharArraySize(bufsiz + 1)]; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWidths = new float[ArrayUtils.idealIntArraySize((bufsiz + 1) * 2)]; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte[] chdirs = mChdirs; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] chs = mChs; 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] widths = mWidths; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AlteredCharSequence alter = null; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned spanned = null; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (source instanceof Spanned) 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spanned = (Spanned) source; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int DEFAULT_DIR = DIR_LEFT_TO_RIGHT; // XXX 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int start = bufstart; start <= bufend; start = end) { 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (first) 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project first = false; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = TextUtils.indexOf(source, '\n', start, bufend); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < 0) 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = bufend; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end++; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1647b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner int firstWidthLineCount = 1; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int firstwidth = outerwidth; 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int restwidth = outerwidth; 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LineHeightSpan[] chooseht = null; 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanned != null) { 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LeadingMarginSpan[] sp; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp = spanned.getSpans(start, end, LeadingMarginSpan.class); 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < sp.length; i++) { 1757b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner LeadingMarginSpan lms = sp[i]; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project firstwidth -= sp[i].getLeadingMargin(true); 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project restwidth -= sp[i].getLeadingMargin(false); 1787b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner if (lms instanceof LeadingMarginSpan.LeadingMarginSpan2) { 1797b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner firstWidthLineCount = ((LeadingMarginSpan.LeadingMarginSpan2)lms).getLeadingMarginLineCount(); 1807b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner } 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chooseht = spanned.getSpans(start, end, LineHeightSpan.class); 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (chooseht.length != 0) { 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (choosehtv == null || 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv.length < chooseht.length) { 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv = new int[ArrayUtils.idealIntArraySize( 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chooseht.length)]; 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < chooseht.length; i++) { 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int o = spanned.getSpanStart(chooseht[i]); 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (o < start) { 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // starts in this layout, before the 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // current paragraph 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv[i] = getLineTop(getLineForOffset(o)); 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // starts in this paragraph 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv[i] = v; 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end - start > chdirs.length) { 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs = new byte[ArrayUtils.idealByteArraySize(end - start)]; 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChdirs = chdirs; 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end - start > chs.length) { 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chs = new char[ArrayUtils.idealCharArraySize(end - start)]; 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChs = chs; 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((end - start) * 2 > widths.length) { 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widths = new float[ArrayUtils.idealIntArraySize((end - start) * 2)]; 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWidths = widths; 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.getChars(source, start, end, chs, 0); 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int n = end - start; 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean easy = true; 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean altered = false; 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dir = DEFAULT_DIR; // XXX 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (chs[i] >= FIRST_RIGHT_TO_LEFT) { 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project easy = false; 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!easy) { 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AndroidCharacter.getDirectionalities(chs, chdirs, end - start); 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Determine primary paragraph direction 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = start; j < end; j++) { 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int d = chdirs[j - start]; 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d == Character.DIRECTIONALITY_LEFT_TO_RIGHT) { 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dir = DIR_LEFT_TO_RIGHT; 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d == Character.DIRECTIONALITY_RIGHT_TO_LEFT) { 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dir = DIR_RIGHT_TO_LEFT; 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * XXX Explicit overrides should go here 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Weak type resolution 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final byte SOR = dir == DIR_LEFT_TO_RIGHT ? 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Character.DIRECTIONALITY_LEFT_TO_RIGHT : 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Character.DIRECTIONALITY_RIGHT_TO_LEFT; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dump(chdirs, n, "initial"); 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // W1 non spacing marks 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < n; j++) { 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (chdirs[j] == Character.NON_SPACING_MARK) { 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (j == 0) 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[j] = SOR; 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[j] = chdirs[j - 1]; 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dump(chdirs, n, "W1"); 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // W2 european numbers 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte cur = SOR; 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < n; j++) { 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte d = chdirs[j]; 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d == Character.DIRECTIONALITY_LEFT_TO_RIGHT || 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d == Character.DIRECTIONALITY_RIGHT_TO_LEFT || 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d == Character.DIRECTIONALITY_RIGHT_TO_LEFT_ARABIC) 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cur = d; 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (d == Character.DIRECTIONALITY_EUROPEAN_NUMBER) { 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cur == 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Character.DIRECTIONALITY_RIGHT_TO_LEFT_ARABIC) 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[j] = Character.DIRECTIONALITY_ARABIC_NUMBER; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dump(chdirs, n, "W2"); 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // W3 arabic letters 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < n; j++) { 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (chdirs[j] == Character.DIRECTIONALITY_RIGHT_TO_LEFT_ARABIC) 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[j] = Character.DIRECTIONALITY_RIGHT_TO_LEFT; 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dump(chdirs, n, "W3"); 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // W4 single separator between numbers 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 1; j < n - 1; j++) { 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte d = chdirs[j]; 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte prev = chdirs[j - 1]; 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte next = chdirs[j + 1]; 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d == Character.DIRECTIONALITY_EUROPEAN_NUMBER_SEPARATOR) { 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prev == Character.DIRECTIONALITY_EUROPEAN_NUMBER && 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project next == Character.DIRECTIONALITY_EUROPEAN_NUMBER) 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[j] = Character.DIRECTIONALITY_EUROPEAN_NUMBER; 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (d == Character.DIRECTIONALITY_COMMON_NUMBER_SEPARATOR) { 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prev == Character.DIRECTIONALITY_EUROPEAN_NUMBER && 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project next == Character.DIRECTIONALITY_EUROPEAN_NUMBER) 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[j] = Character.DIRECTIONALITY_EUROPEAN_NUMBER; 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prev == Character.DIRECTIONALITY_ARABIC_NUMBER && 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project next == Character.DIRECTIONALITY_ARABIC_NUMBER) 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[j] = Character.DIRECTIONALITY_ARABIC_NUMBER; 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dump(chdirs, n, "W4"); 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // W5 european number terminators 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean adjacent = false; 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < n; j++) { 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte d = chdirs[j]; 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d == Character.DIRECTIONALITY_EUROPEAN_NUMBER) 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project adjacent = true; 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (d == Character.DIRECTIONALITY_EUROPEAN_NUMBER_TERMINATOR && adjacent) 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[j] = Character.DIRECTIONALITY_EUROPEAN_NUMBER; 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project adjacent = false; 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //dump(chdirs, n, "W5"); 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // W5 european number terminators part 2, 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // W6 separators and terminators 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project adjacent = false; 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = n - 1; j >= 0; j--) { 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte d = chdirs[j]; 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d == Character.DIRECTIONALITY_EUROPEAN_NUMBER) 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project adjacent = true; 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (d == Character.DIRECTIONALITY_EUROPEAN_NUMBER_TERMINATOR) { 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (adjacent) 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[j] = Character.DIRECTIONALITY_EUROPEAN_NUMBER; 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[j] = Character.DIRECTIONALITY_OTHER_NEUTRALS; 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else { 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project adjacent = false; 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d == Character.DIRECTIONALITY_EUROPEAN_NUMBER_SEPARATOR || 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d == Character.DIRECTIONALITY_COMMON_NUMBER_SEPARATOR || 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d == Character.DIRECTIONALITY_PARAGRAPH_SEPARATOR || 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d == Character.DIRECTIONALITY_SEGMENT_SEPARATOR) 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[j] = Character.DIRECTIONALITY_OTHER_NEUTRALS; 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dump(chdirs, n, "W6"); 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // W7 strong direction of european numbers 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cur = SOR; 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < n; j++) { 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte d = chdirs[j]; 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d == SOR || 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d == Character.DIRECTIONALITY_LEFT_TO_RIGHT || 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d == Character.DIRECTIONALITY_RIGHT_TO_LEFT) 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cur = d; 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d == Character.DIRECTIONALITY_EUROPEAN_NUMBER) 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[j] = cur; 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dump(chdirs, n, "W7"); 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // N1, N2 neutrals 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cur = SOR; 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < n; j++) { 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte d = chdirs[j]; 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d == Character.DIRECTIONALITY_LEFT_TO_RIGHT || 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d == Character.DIRECTIONALITY_RIGHT_TO_LEFT) { 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cur = d; 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (d == Character.DIRECTIONALITY_EUROPEAN_NUMBER || 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d == Character.DIRECTIONALITY_ARABIC_NUMBER) { 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cur = Character.DIRECTIONALITY_RIGHT_TO_LEFT; 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte dd = SOR; 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int k; 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (k = j + 1; k < n; k++) { 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dd = chdirs[k]; 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dd == Character.DIRECTIONALITY_LEFT_TO_RIGHT || 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dd == Character.DIRECTIONALITY_RIGHT_TO_LEFT) { 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dd == Character.DIRECTIONALITY_EUROPEAN_NUMBER || 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dd == Character.DIRECTIONALITY_ARABIC_NUMBER) { 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dd = Character.DIRECTIONALITY_RIGHT_TO_LEFT; 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int y = j; y < k; y++) { 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dd == cur) 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[y] = cur; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[y] = SOR; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project j = k - 1; 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dump(chdirs, n, "final"); 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 430105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project // extra: enforce that all tabs and surrogate characters go the 431105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project // primary direction 432105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project // TODO: actually do directions right for surrogates 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < n; j++) { 435105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project char c = chs[j]; 436105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 437105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (c == '\t' || (c >= 0xD800 && c <= 0xDFFF)) { 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[j] = SOR; 439105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // extra: enforce that object replacements go to the 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // primary direction 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // and that none of the underlying characters are treated 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // as viable breakpoints 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (source instanceof Spanned) { 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned sp = (Spanned) source; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ReplacementSpan[] spans = sp.getSpans(start, end, ReplacementSpan.class); 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int y = 0; y < spans.length; y++) { 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int a = sp.getSpanStart(spans[y]); 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int b = sp.getSpanEnd(spans[y]); 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int x = a; x < b; x++) { 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chdirs[x - start] = SOR; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chs[x - start] = '\uFFFC'; 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do mirroring for right-to-left segments 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (chdirs[i] == Character.DIRECTIONALITY_RIGHT_TO_LEFT) { 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int j; 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = i; j < n; j++) { 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (chdirs[j] != 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Character.DIRECTIONALITY_RIGHT_TO_LEFT) 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AndroidCharacter.mirror(chs, i, j - i)) 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project altered = true; 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i = j - 1; 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence sub; 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (altered) { 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alter == null) 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alter = AlteredCharSequence.make(source, chs, start, end); 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alter.update(chs, start, end); 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sub = alter; 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sub = source; 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int width = firstwidth; 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float w = 0; 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int here = start; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ok = start; 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float okwidth = w; 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int okascent = 0, okdescent = 0, oktop = 0, okbottom = 0; 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fit = start; 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float fitwidth = w; 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fitascent = 0, fitdescent = 0, fittop = 0, fitbottom = 0; 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean tab = false; 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int next; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = start; i < end; i = next) { 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanned == null) 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project next = end; 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project next = spanned.nextSpanTransition(i, end, 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetricAffectingSpan. 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project class); 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanned == null) { 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getTextWidths(sub, i, next, widths); 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(widths, 0, widths, 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end - start + (i - start), next - i); 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getFontMetricsInt(fm); 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWorkPaint.baselineShift = 0; 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Styled.getTextWidths(paint, mWorkPaint, 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spanned, i, next, 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widths, fm); 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(widths, 0, widths, 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end - start + (i - start), next - i); 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mWorkPaint.baselineShift < 0) { 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.ascent += mWorkPaint.baselineShift; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top += mWorkPaint.baselineShift; 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.descent += mWorkPaint.baselineShift; 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.bottom += mWorkPaint.baselineShift; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fmtop = fm.top; 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fmbottom = fm.bottom; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fmascent = fm.ascent; 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fmdescent = fm.descent; 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (false) { 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder sb = new StringBuilder(); 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = i; j < next; j++) { 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sb.append(widths[j - start + (end - start)]); 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sb.append(' '); 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e("text", sb.toString()); 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = i; j < next; j++) { 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = chs[j - start]; 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float before = w; 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 562105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (c == '\n') { 563105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project ; 564105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else if (c == '\t') { 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = Layout.nextTab(sub, start, end, w, null); 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tab = true; 567105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else if (c >= 0xD800 && c <= 0xDFFF && j + 1 < next) { 568105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project int emoji = Character.codePointAt(chs, j - start); 569105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 570105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (emoji >= MIN_EMOJI && emoji <= MAX_EMOJI) { 571105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project Bitmap bm = EMOJI_FACTORY. 572105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project getBitmapFromAndroidPua(emoji); 573105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 574105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (bm != null) { 575423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer Paint whichPaint; 576423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 577423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer if (spanned == null) { 578423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer whichPaint = paint; 579423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer } else { 580423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer whichPaint = mWorkPaint; 581423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer } 582423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 583423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer float wid = (float) bm.getWidth() * 584423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer -whichPaint.ascent() / 585423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer bm.getHeight(); 586423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 587423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer w += wid; 588105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project tab = true; 589105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project j++; 590105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 591105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project w += widths[j - start + (end - start)]; 592105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 593105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 594105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project w += widths[j - start + (end - start)]; 595105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 596105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w += widths[j - start + (end - start)]; 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "was " + before + " now " + w + " after " + c + " within " + width); 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w <= width) { 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitwidth = w; 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fit = j + 1; 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmtop < fittop) 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fittop = fmtop; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmascent < fitascent) 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitascent = fmascent; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmdescent > fitdescent) 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitdescent = fmdescent; 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmbottom > fitbottom) 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitbottom = fmbottom; 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From the Unicode Line Breaking Algorithm: 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (at least approximately) 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * .,:; are class IS: breakpoints 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * except when adjacent to digits 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * / is class SY: a breakpoint 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * except when followed by a digit. 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - is class HY: a breakpoint 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * except when followed by a digit. 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 626549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * Ideographs are class ID: breakpoints when adjacent, 627549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * except for NS (non-starters), which can be broken 628549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * after but not before. 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == ' ' || c == '\t' || 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((c == '.' || c == ',' || c == ':' || c == ';') && 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (j - 1 < here || !Character.isDigit(chs[j - 1 - start])) && 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (j + 1 >= next || !Character.isDigit(chs[j + 1 - start]))) || 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((c == '/' || c == '-') && 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (j + 1 >= next || !Character.isDigit(chs[j + 1 - start]))) || 637549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer (c >= FIRST_CJK && isIdeographic(c, true) && 638549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer j + 1 < next && isIdeographic(chs[j + 1 - start], false))) { 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okwidth = w; 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = j + 1; 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fittop < oktop) 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project oktop = fittop; 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fitascent < okascent) 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okascent = fitascent; 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fitdescent > okdescent) 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okdescent = fitdescent; 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fitbottom > okbottom) 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okbottom = fitbottom; 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (breakOnlyAtSpaces) { 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ok != here) { 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output ok " + here + " to " +ok); 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (ok < next && chs[ok - start] == ' ') { 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok++; 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here, ok, 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okascent, okdescent, oktop, okbottom, 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, chooseht, 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv, fm, tab, 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needMultiply, start, chdirs, dir, easy, 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok == bufend, includepad, trackpad, 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widths, start, end - start, 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where, ellipsizedWidth, okwidth, 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint); 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here = ok; 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Act like it fit even though it didn't. 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitwidth = w; 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fit = j + 1; 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmtop < fittop) 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fittop = fmtop; 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmascent < fitascent) 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitascent = fmascent; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmdescent > fitdescent) 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitdescent = fmdescent; 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmbottom > fitbottom) 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitbottom = fmbottom; 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ok != here) { 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output ok " + here + " to " +ok); 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (ok < next && chs[ok - start] == ' ') { 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok++; 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here, ok, 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okascent, okdescent, oktop, okbottom, 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, chooseht, 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv, fm, tab, 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needMultiply, start, chdirs, dir, easy, 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok == bufend, includepad, trackpad, 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widths, start, end - start, 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where, ellipsizedWidth, okwidth, 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint); 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here = ok; 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (fit != here) { 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output fit " + here + " to " +fit); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here, fit, 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitascent, fitdescent, 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fittop, fitbottom, 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, chooseht, 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv, fm, tab, 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needMultiply, start, chdirs, dir, easy, 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fit == bufend, includepad, trackpad, 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widths, start, end - start, 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where, ellipsizedWidth, fitwidth, 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint); 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here = fit; 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output one " + here + " to " +(here + 1)); 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project measureText(paint, mWorkPaint, 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project source, here, here + 1, fm, tab, 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project null); 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here, here+1, 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.ascent, fm.descent, 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top, fm.bottom, 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, chooseht, 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv, fm, tab, 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needMultiply, start, chdirs, dir, easy, 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here + 1 == bufend, includepad, 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project trackpad, 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widths, start, end - start, 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where, ellipsizedWidth, 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widths[here - start], paint); 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here = here + 1; 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (here < i) { 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project j = next = here; // must remeasure 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project j = here - 1; // continue looping 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = fit = here; 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = 0; 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitascent = fitdescent = fittop = fitbottom = 0; 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okascent = okdescent = oktop = okbottom = 0; 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7587b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner if (--firstWidthLineCount <= 0) { 7597b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner width = restwidth; 7607b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner } 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end != here) { 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((fittop | fitbottom | fitdescent | fitascent) == 0) { 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getFontMetricsInt(fm); 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fittop = fm.top; 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitbottom = fm.bottom; 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitascent = fm.ascent; 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitdescent = fm.descent; 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output rest " + here + " to " + end); 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here, end, fitascent, fitdescent, 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fittop, fitbottom, 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, chooseht, 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv, fm, tab, 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needMultiply, start, chdirs, dir, easy, 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end == bufend, includepad, trackpad, 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widths, start, end - start, 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where, ellipsizedWidth, w, paint); 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start = end; 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end == bufend) 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufend == bufstart || source.charAt(bufend - 1) == '\n') { 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output last " + bufend); 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getFontMetricsInt(fm); 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bufend, bufend, fm.ascent, fm.descent, 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top, fm.bottom, 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, null, 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project null, fm, false, 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needMultiply, bufend, chdirs, DEFAULT_DIR, true, 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project true, includepad, trackpad, 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widths, bufstart, 0, 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where, ellipsizedWidth, 0, paint); 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final char FIRST_CJK = '\u2E80'; 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns true if the specified character is one of those specified 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * as being Ideographic (class ID) by the Unicode Line Breaking Algorithm 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (http://www.unicode.org/unicode/reports/tr14/), and is therefore OK 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to break between a pair of. 819549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * 820549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * @param includeNonStarters also return true for category NS 821549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * (non-starters), which can be broken 822549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * after but not before. 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 824549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer private static final boolean isIdeographic(char c, boolean includeNonStarters) { 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u2E80' && c <= '\u2FFF') { 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // CJK, KANGXI RADICALS, DESCRIPTION SYMBOLS 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == '\u3000') { 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // IDEOGRAPHIC SPACE 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u3040' && c <= '\u309F') { 832549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer if (!includeNonStarters) { 833549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer switch (c) { 834549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3041': // # HIRAGANA LETTER SMALL A 835549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3043': // # HIRAGANA LETTER SMALL I 836549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3045': // # HIRAGANA LETTER SMALL U 837549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3047': // # HIRAGANA LETTER SMALL E 838549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3049': // # HIRAGANA LETTER SMALL O 839549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3063': // # HIRAGANA LETTER SMALL TU 840549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3083': // # HIRAGANA LETTER SMALL YA 841549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3085': // # HIRAGANA LETTER SMALL YU 842549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3087': // # HIRAGANA LETTER SMALL YO 843549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u308E': // # HIRAGANA LETTER SMALL WA 844549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3095': // # HIRAGANA LETTER SMALL KA 845549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3096': // # HIRAGANA LETTER SMALL KE 846549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u309B': // # KATAKANA-HIRAGANA VOICED SOUND MARK 847549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u309C': // # KATAKANA-HIRAGANA SEMI-VOICED SOUND MARK 848549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u309D': // # HIRAGANA ITERATION MARK 849549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u309E': // # HIRAGANA VOICED ITERATION MARK 850549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer return false; 851549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer } 852549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer } 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // Hiragana (except small characters) 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u30A0' && c <= '\u30FF') { 856549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer if (!includeNonStarters) { 857549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer switch (c) { 858549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A0': // # KATAKANA-HIRAGANA DOUBLE HYPHEN 859549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A1': // # KATAKANA LETTER SMALL A 860549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A3': // # KATAKANA LETTER SMALL I 861549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A5': // # KATAKANA LETTER SMALL U 862549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A7': // # KATAKANA LETTER SMALL E 863549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A9': // # KATAKANA LETTER SMALL O 864549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30C3': // # KATAKANA LETTER SMALL TU 865549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30E3': // # KATAKANA LETTER SMALL YA 866549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30E5': // # KATAKANA LETTER SMALL YU 867549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30E7': // # KATAKANA LETTER SMALL YO 868549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30EE': // # KATAKANA LETTER SMALL WA 869549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30F5': // # KATAKANA LETTER SMALL KA 870549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30F6': // # KATAKANA LETTER SMALL KE 871549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30FB': // # KATAKANA MIDDLE DOT 872549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30FC': // # KATAKANA-HIRAGANA PROLONGED SOUND MARK 873549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30FD': // # KATAKANA ITERATION MARK 874549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30FE': // # KATAKANA VOICED ITERATION MARK 875549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer return false; 876549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer } 877549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer } 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // Katakana (except small characters) 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u3400' && c <= '\u4DB5') { 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // CJK UNIFIED IDEOGRAPHS EXTENSION A 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u4E00' && c <= '\u9FBB') { 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // CJK UNIFIED IDEOGRAPHS 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uF900' && c <= '\uFAD9') { 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // CJK COMPATIBILITY IDEOGRAPHS 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uA000' && c <= '\uA48F') { 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // YI SYLLABLES 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uA490' && c <= '\uA4CF') { 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // YI RADICALS 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uFE62' && c <= '\uFE66') { 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // SMALL PLUS SIGN to SMALL EQUALS SIGN 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uFF10' && c <= '\uFF19') { 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // WIDE DIGITS 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void dump(byte[] data, int count, String label) { 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (false) { 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(label); 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(" " + data[i]); 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(); 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static int getFit(TextPaint paint, 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextPaint workPaint, 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence text, int start, int end, 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float wid) { 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int high = end + 1, low = start - 1, guess; 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (high - low > 1) { 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project guess = (high + low) / 2; 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (measureText(paint, workPaint, 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project text, start, guess, null, true, null) > wid) 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project high = guess; 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project low = guess; 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (low < start) 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return start; 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return low; 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int out(CharSequence text, int start, int end, 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int above, int below, int top, int bottom, int v, 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LineHeightSpan[] chooseht, int[] choosehtv, 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint.FontMetricsInt fm, boolean tab, 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean needMultiply, int pstart, byte[] chdirs, 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dir, boolean easy, boolean last, 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad, boolean trackpad, 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] widths, int widstart, int widoff, 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.TruncateAt ellipsize, float ellipsiswidth, 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float textwidth, TextPaint paint) { 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int j = mLineCount; 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int off = j * mColumns; 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int want = off + mColumns + TOP; 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] lines = mLines; 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "line " + start + " to " + end + (last ? "===" : "")); 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (want >= lines.length) { 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nlen = ArrayUtils.idealIntArraySize(want + 1); 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] grow = new int[nlen]; 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(lines, 0, grow, 0, lines.length); 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines = grow; 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines = grow; 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Directions[] grow2 = new Directions[nlen]; 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mLineDirections, 0, grow2, 0, 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections.length); 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections = grow2; 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (chooseht != null) { 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.ascent = above; 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.descent = below; 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top = top; 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.bottom = bottom; 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < chooseht.length; i++) { 978a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer if (chooseht[i] instanceof LineHeightSpan.WithDensity) { 979a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer ((LineHeightSpan.WithDensity) chooseht[i]). 980a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer chooseHeight(text, start, end, choosehtv[i], v, fm, paint); 981a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer 982a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer } else { 983a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer chooseht[i].chooseHeight(text, start, end, choosehtv[i], v, fm); 984a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer } 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project above = fm.ascent; 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project below = fm.descent; 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top = fm.top; 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottom = fm.bottom; 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (j == 0) { 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (trackpad) { 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTopPadding = top - above; 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (includepad) { 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project above = top; 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (last) { 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (trackpad) { 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBottomPadding = bottom - below; 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (includepad) { 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project below = bottom; 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int extra; 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (needMultiply) { 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extra = (int) ((below - above) * (spacingmult - 1) 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + spacingadd + 0.5); 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extra = 0; 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + START] = start; 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + TOP] = v; 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + DESCENT] = below + extra; 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v += (below - above) + extra; 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + mColumns + START] = end; 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + mColumns + TOP] = v; 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tab) 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + TAB] |= TAB_MASK; 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + DIR] |= dir << DIR_SHIFT; 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int cur = Character.DIRECTIONALITY_LEFT_TO_RIGHT; 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = 0; 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!easy) { 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int k = start; k < end; k++) { 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (chdirs[k - pstart] != cur) { 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count++; 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cur = chdirs[k - pstart]; 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Directions linedirs; 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project linedirs = DIRS_ALL_LEFT_TO_RIGHT; 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project short[] ld = new short[count + 1]; 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cur = Character.DIRECTIONALITY_LEFT_TO_RIGHT; 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count = 0; 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int here = start; 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int k = start; k < end; k++) { 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (chdirs[k - pstart] != cur) { 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX check to make sure we don't 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // overflow short 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ld[count++] = (short) (k - here); 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cur = chdirs[k - pstart]; 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here = k; 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ld[count] = (short) (end - here); 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 1 && ld[0] == 0) { 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project linedirs = DIRS_ALL_RIGHT_TO_LEFT; 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project linedirs = new Directions(ld); 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections[j] = linedirs; 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If ellipsize is in marquee mode, do not apply ellipsis on the first line 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ellipsize != null && (ellipsize != TextUtils.TruncateAt.MARQUEE || j != 0)) { 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project calculateEllipsis(start, end, widths, widstart, widoff, 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsiswidth, ellipsize, j, 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project textwidth, paint); 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineCount++; 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void calculateEllipsis(int linestart, int lineend, 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] widths, int widstart, int widoff, 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float avail, TextUtils.TruncateAt where, 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int line, float textwidth, TextPaint paint) { 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = lineend - linestart; 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textwidth <= avail) { 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Everything fits! 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_START] = 0; 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_COUNT] = 0; 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float ellipsiswid = paint.measureText("\u2026"); 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ellipsisStart, ellipsisCount; 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where == TextUtils.TruncateAt.START) { 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float sum = 0; 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = len; i >= 0; i--) { 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float w = widths[i - 1 + linestart - widstart + widoff]; 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w + sum + ellipsiswid > avail) { 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sum += w; 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisStart = 0; 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisCount = i; 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (where == TextUtils.TruncateAt.END || where == TextUtils.TruncateAt.MARQUEE) { 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float sum = 0; 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < len; i++) { 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float w = widths[i + linestart - widstart + widoff]; 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w + sum + ellipsiswid > avail) { 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sum += w; 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisStart = i; 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisCount = len - i; 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else /* where = TextUtils.TruncateAt.MIDDLE */ { 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float lsum = 0, rsum = 0; 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int left = 0, right = len; 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float ravail = (avail - ellipsiswid) / 2; 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (right = len; right >= 0; right--) { 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float w = widths[right - 1 + linestart - widstart + widoff]; 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w + rsum > ravail) { 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rsum += w; 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float lavail = avail - ellipsiswid - rsum; 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (left = 0; left < right; left++) { 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float w = widths[left + linestart - widstart + widoff]; 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w + lsum > lavail) { 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lsum += w; 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisStart = left; 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisCount = right - left; 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_START] = ellipsisStart; 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_COUNT] = ellipsisCount; 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Override the baseclass so we can directly access our members, 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // rather than relying on member functions. 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The logic mirrors that of Layout.getLineForVertical 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME: It may be faster to do a linear search for layouts without many lines. 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineForVertical(int vertical) { 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int high = mLineCount; 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int low = -1; 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int guess; 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] lines = mLines; 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (high - low > 1) { 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project guess = (high + low) >> 1; 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lines[mColumns * guess + TOP] > vertical){ 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project high = guess; 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project low = guess; 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (low < 0) { 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return low; 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineCount() { 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLineCount; 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineTop(int line) { 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + TOP]; 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineDescent(int line) { 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + DESCENT]; 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineStart(int line) { 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + START] & START_MASK; 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getParagraphDirection(int line) { 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + DIR] >> DIR_SHIFT; 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getLineContainsTab(int line) { 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mLines[mColumns * line + TAB] & TAB_MASK) != 0; 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Directions getLineDirections(int line) { 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLineDirections[line]; 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTopPadding() { 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTopPadding; 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getBottomPadding() { 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mBottomPadding; 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsisCount(int line) { 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColumns < COLUMNS_ELLIPSIZE) { 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + ELLIPSIS_COUNT]; 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsisStart(int line) { 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColumns < COLUMNS_ELLIPSIZE) { 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + ELLIPSIS_START]; 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsizedWidth() { 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mEllipsizedWidth; 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLineCount; 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mTopPadding, mBottomPadding; 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mColumns; 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mEllipsizedWidth; 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int COLUMNS_NORMAL = 3; 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int COLUMNS_ELLIPSIZE = 5; 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START = 0; 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR = START; 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TAB = START; 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOP = 1; 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DESCENT = 2; 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ELLIPSIS_START = 3; 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ELLIPSIS_COUNT = 4; 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mLines; 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Directions[] mLineDirections; 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START_MASK = 0x1FFFFFFF; 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR_MASK = 0xC0000000; 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR_SHIFT = 30; 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TAB_MASK = 0x20000000; 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final char FIRST_RIGHT_TO_LEFT = '\u0590'; 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * These are reused across calls to generate() 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private byte[] mChdirs; 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private char[] mChs; 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float[] mWidths; 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Paint.FontMetricsInt mFontMetricsInt = new Paint.FontMetricsInt(); 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1289