StaticLayout.java revision c982f60e982c1d2df9f115ed9a5c3ef3643d0892
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 194e0c5e55e171532760d5f51e0165563827129d4eDoug Feltimport com.android.internal.util.ArrayUtils; 204e0c5e55e171532760d5f51e0165563827129d4eDoug Felt 21105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Projectimport android.graphics.Bitmap; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Paint; 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; 26c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Feltimport android.text.style.TabStopSpan; 27c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Feltimport android.text.style.LeadingMarginSpan.LeadingMarginSpan2; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * StaticLayout is a Layout for text that will not be edited after it 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is laid out. Use {@link DynamicLayout} for text that may change. 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>This is used by widgets to control text layout. You should not need 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to use this class directly unless you are implementing your own widget 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or custom display object, or would be tempted to call 354e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * {@link android.graphics.Canvas#drawText(java.lang.CharSequence, int, int, 364e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * float, float, android.graphics.Paint) 374e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * Canvas.drawText()} directly.</p> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectStaticLayout 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectextends Layout 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public StaticLayout(CharSequence source, TextPaint paint, 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int width, 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Alignment align, float spacingmult, float spacingadd, 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad) { 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(source, 0, source.length(), paint, width, align, 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, includepad); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public StaticLayout(CharSequence source, int bufstart, int bufend, 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextPaint paint, int outerwidth, 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Alignment align, 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad) { 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(source, bufstart, bufend, paint, outerwidth, align, 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, includepad, null, 0); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public StaticLayout(CharSequence source, int bufstart, int bufend, 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextPaint paint, int outerwidth, 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Alignment align, 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad, 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.TruncateAt ellipsize, int ellipsizedWidth) { 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super((ellipsize == null) 674e0c5e55e171532760d5f51e0165563827129d4eDoug Felt ? source 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : (source instanceof Spanned) 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ? new SpannedEllipsizer(source) 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : new Ellipsizer(source), 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint, outerwidth, align, spacingmult, spacingadd); 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is annoying, but we can't refer to the layout until 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * superclass construction is finished, and the superclass 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constructor wants the reference to the display text. 774e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This will break if the superclass constructor ever actually 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cares about the content instead of just holding the reference. 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ellipsize != null) { 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Ellipsizer e = (Ellipsizer) getText(); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.mLayout = this; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.mWidth = ellipsizedWidth; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.mMethod = ellipsize; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEllipsizedWidth = ellipsizedWidth; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColumns = COLUMNS_ELLIPSIZE; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColumns = COLUMNS_NORMAL; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEllipsizedWidth = outerwidth; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines = new int[ArrayUtils.idealIntArraySize(2 * mColumns)]; 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections = new Directions[ 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayUtils.idealIntArraySize(2 * mColumns)]; 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 99e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt mMeasured = MeasuredText.obtain(); 100e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project generate(source, bufstart, bufend, paint, outerwidth, align, 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, includepad, includepad, 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsize != null, ellipsizedWidth, ellipsize); 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 105e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt mMeasured = MeasuredText.recycle(mMeasured); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFontMetricsInt = null; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ StaticLayout(boolean ellipsize) { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(null, null, 0, null, 0, 0); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColumns = COLUMNS_ELLIPSIZE; 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines = new int[ArrayUtils.idealIntArraySize(2 * mColumns)]; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections = new Directions[ 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayUtils.idealIntArraySize(2 * mColumns)]; 116e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt mMeasured = MeasuredText.obtain(); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void generate(CharSequence source, int bufstart, int bufend, 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextPaint paint, int outerwidth, 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Alignment align, 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad, boolean trackpad, 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean breakOnlyAtSpaces, 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float ellipsizedWidth, TextUtils.TruncateAt where) { 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineCount = 0; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int v = 0; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean needMultiply = (spacingmult != 1 || spacingadd != 0); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint.FontMetricsInt fm = mFontMetricsInt; 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] choosehtv = null; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 134e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt MeasuredText measured = mMeasured; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned spanned = null; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (source instanceof Spanned) 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spanned = (Spanned) source; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int DEFAULT_DIR = DIR_LEFT_TO_RIGHT; // XXX 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 142e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int paraEnd; 143e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int paraStart = bufstart; paraStart <= bufend; paraStart = paraEnd) { 144e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraEnd = TextUtils.indexOf(source, '\n', paraStart, bufend); 145e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (paraEnd < 0) 146e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraEnd = bufend; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 148e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraEnd++; 149e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int paraLen = paraEnd - paraStart; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 151c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt int firstWidthLineLimit = mLineCount + 1; 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int firstwidth = outerwidth; 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int restwidth = outerwidth; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LineHeightSpan[] chooseht = null; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanned != null) { 158e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt LeadingMarginSpan[] sp = spanned.getSpans(paraStart, paraEnd, 159e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt LeadingMarginSpan.class); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < sp.length; i++) { 1617b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner LeadingMarginSpan lms = sp[i]; 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project firstwidth -= sp[i].getLeadingMargin(true); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project restwidth -= sp[i].getLeadingMargin(false); 164c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt 165c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt // LeadingMarginSpan2 is odd. The count affects all 166c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt // leading margin spans, not just this particular one, 167c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt // and start from the top of the span, not the top of the 168c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt // paragraph. 169c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (lms instanceof LeadingMarginSpan2) { 170c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt LeadingMarginSpan2 lms2 = (LeadingMarginSpan2) lms; 171c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt int lmsFirstLine = getLineForOffset(spanned.getSpanStart(lms2)); 172c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt firstWidthLineLimit = lmsFirstLine + 173c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt lms2.getLeadingMarginLineCount(); 1747b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner } 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 177e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt chooseht = spanned.getSpans(paraStart, paraEnd, LineHeightSpan.class); 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (chooseht.length != 0) { 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (choosehtv == null || 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv.length < chooseht.length) { 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv = new int[ArrayUtils.idealIntArraySize( 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chooseht.length)]; 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < chooseht.length; i++) { 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int o = spanned.getSpanStart(chooseht[i]); 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (o < paraStart) { 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // starts in this layout, before the 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // current paragraph 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1934e0c5e55e171532760d5f51e0165563827129d4eDoug Felt choosehtv[i] = getLineTop(getLineForOffset(o)); 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // starts in this paragraph 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv[i] = v; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 203e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt measured.setPara(source, paraStart, paraEnd, DIR_REQUEST_DEFAULT_LTR); 204e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char[] chs = measured.mChars; 205e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt float[] widths = measured.mWidths; 206e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt byte[] chdirs = measured.mLevels; 207e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int dir = measured.mDir; 208e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt boolean easy = measured.mEasy; 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 210e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt CharSequence sub = source; 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int width = firstwidth; 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float w = 0; 215e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int here = paraStart; 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 217e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int ok = paraStart; 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float okwidth = w; 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int okascent = 0, okdescent = 0, oktop = 0, okbottom = 0; 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 221e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int fit = paraStart; 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float fitwidth = w; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fitascent = 0, fitdescent = 0, fittop = 0, fitbottom = 0; 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 225c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt boolean hasTabOrEmoji = false; 226c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt boolean hasTab = false; 227c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt TabStops tabStops = null; 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22923241887515ed77687c23e29a4a3ffff671666bdDoug Felt for (int spanStart = paraStart, spanEnd = spanStart, nextSpanStart; 23023241887515ed77687c23e29a4a3ffff671666bdDoug Felt spanStart < paraEnd; spanStart = nextSpanStart) { 23123241887515ed77687c23e29a4a3ffff671666bdDoug Felt 23223241887515ed77687c23e29a4a3ffff671666bdDoug Felt if (spanStart == spanEnd) { 23323241887515ed77687c23e29a4a3ffff671666bdDoug Felt if (spanned == null) 23423241887515ed77687c23e29a4a3ffff671666bdDoug Felt spanEnd = paraEnd; 23523241887515ed77687c23e29a4a3ffff671666bdDoug Felt else 23623241887515ed77687c23e29a4a3ffff671666bdDoug Felt spanEnd = spanned.nextSpanTransition(spanStart, paraEnd, 23723241887515ed77687c23e29a4a3ffff671666bdDoug Felt MetricAffectingSpan.class); 23823241887515ed77687c23e29a4a3ffff671666bdDoug Felt 23923241887515ed77687c23e29a4a3ffff671666bdDoug Felt int spanLen = spanEnd - spanStart; 24023241887515ed77687c23e29a4a3ffff671666bdDoug Felt if (spanned == null) { 24123241887515ed77687c23e29a4a3ffff671666bdDoug Felt measured.addStyleRun(paint, spanLen, fm); 24223241887515ed77687c23e29a4a3ffff671666bdDoug Felt } else { 24323241887515ed77687c23e29a4a3ffff671666bdDoug Felt MetricAffectingSpan[] spans = 24423241887515ed77687c23e29a4a3ffff671666bdDoug Felt spanned.getSpans(spanStart, spanEnd, MetricAffectingSpan.class); 24523241887515ed77687c23e29a4a3ffff671666bdDoug Felt measured.addStyleRun(paint, spans, spanLen, fm); 24623241887515ed77687c23e29a4a3ffff671666bdDoug Felt } 24723241887515ed77687c23e29a4a3ffff671666bdDoug Felt } 24823241887515ed77687c23e29a4a3ffff671666bdDoug Felt 24923241887515ed77687c23e29a4a3ffff671666bdDoug Felt nextSpanStart = spanEnd; 250e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int startInPara = spanStart - paraStart; 251e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int endInPara = spanEnd - paraStart; 2524e0c5e55e171532760d5f51e0165563827129d4eDoug Felt 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fmtop = fm.top; 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fmbottom = fm.bottom; 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fmascent = fm.ascent; 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fmdescent = fm.descent; 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 258e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int j = spanStart; j < spanEnd; j++) { 259e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char c = chs[j - paraStart]; 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float before = w; 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 262105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (c == '\n') { 263105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project ; 264105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else if (c == '\t') { 265c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (hasTab == false) { 266c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt hasTab = true; 267c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt hasTabOrEmoji = true; 268c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt // First tab this para, check for tabstops 269c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt TabStopSpan[] spans = spanned.getSpans(paraStart, 270c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt paraEnd, TabStopSpan.class); 271c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (spans.length > 0) { 272c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt tabStops = new TabStops(TAB_INCREMENT, spans); 273c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } 274c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } 275c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (tabStops != null) { 276c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt w = tabStops.nextTab(w); 277c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } else { 278c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt w = TabStops.nextDefaultStop(w, TAB_INCREMENT); 279c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } 280e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else if (c >= 0xD800 && c <= 0xDFFF && j + 1 < spanEnd) { 281e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int emoji = Character.codePointAt(chs, j - paraStart); 282105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 283105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (emoji >= MIN_EMOJI && emoji <= MAX_EMOJI) { 284105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project Bitmap bm = EMOJI_FACTORY. 285105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project getBitmapFromAndroidPua(emoji); 286105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 287105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (bm != null) { 288423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer Paint whichPaint; 289423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 290423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer if (spanned == null) { 291423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer whichPaint = paint; 292423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer } else { 293423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer whichPaint = mWorkPaint; 294423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer } 295423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 2964e0c5e55e171532760d5f51e0165563827129d4eDoug Felt float wid = bm.getWidth() * 297423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer -whichPaint.ascent() / 298423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer bm.getHeight(); 299423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 300423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer w += wid; 301c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt hasTabOrEmoji = true; 302105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project j++; 303105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 304e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt w += widths[j - paraStart]; 305105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 306105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 307e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt w += widths[j - paraStart]; 308105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 309105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 310e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt w += widths[j - paraStart]; 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "was " + before + " now " + w + " after " + c + " within " + width); 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w <= width) { 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitwidth = w; 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fit = j + 1; 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmtop < fittop) 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fittop = fmtop; 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmascent < fitascent) 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitascent = fmascent; 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmdescent > fitdescent) 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitdescent = fmdescent; 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmbottom > fitbottom) 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitbottom = fmbottom; 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From the Unicode Line Breaking Algorithm: 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (at least approximately) 3314e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * .,:; are class IS: breakpoints 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * except when adjacent to digits 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * / is class SY: a breakpoint 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * except when followed by a digit. 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - is class HY: a breakpoint 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * except when followed by a digit. 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 339549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * Ideographs are class ID: breakpoints when adjacent, 340549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * except for NS (non-starters), which can be broken 341549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * after but not before. 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == ' ' || c == '\t' || 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((c == '.' || c == ',' || c == ':' || c == ';') && 346e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt (j - 1 < here || !Character.isDigit(chs[j - 1 - paraStart])) && 347e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt (j + 1 >= spanEnd || !Character.isDigit(chs[j + 1 - paraStart]))) || 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((c == '/' || c == '-') && 349e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt (j + 1 >= spanEnd || !Character.isDigit(chs[j + 1 - paraStart]))) || 350549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer (c >= FIRST_CJK && isIdeographic(c, true) && 351e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt j + 1 < spanEnd && isIdeographic(chs[j + 1 - paraStart], false))) { 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okwidth = w; 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = j + 1; 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fittop < oktop) 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project oktop = fittop; 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fitascent < okascent) 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okascent = fitascent; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fitdescent > okdescent) 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okdescent = fitdescent; 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fitbottom > okbottom) 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okbottom = fitbottom; 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (breakOnlyAtSpaces) { 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ok != here) { 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output ok " + here + " to " +ok); 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 368e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt while (ok < spanEnd && chs[ok - paraStart] == ' ') { 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok++; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here, ok, 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okascent, okdescent, oktop, okbottom, 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, chooseht, 377c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt choosehtv, fm, hasTabOrEmoji, 378e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt needMultiply, paraStart, chdirs, dir, easy, 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok == bufend, includepad, trackpad, 380e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt chs, widths, here - paraStart, 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where, ellipsizedWidth, okwidth, 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint); 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here = ok; 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Act like it fit even though it didn't. 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitwidth = w; 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fit = j + 1; 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmtop < fittop) 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fittop = fmtop; 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmascent < fitascent) 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitascent = fmascent; 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmdescent > fitdescent) 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitdescent = fmdescent; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmbottom > fitbottom) 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitbottom = fmbottom; 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ok != here) { 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output ok " + here + " to " +ok); 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 404e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt while (ok < spanEnd && chs[ok - paraStart] == ' ') { 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok++; 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here, ok, 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okascent, okdescent, oktop, okbottom, 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, chooseht, 413c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt choosehtv, fm, hasTabOrEmoji, 414e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt needMultiply, paraStart, chdirs, dir, easy, 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok == bufend, includepad, trackpad, 416e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt chs, widths, here - paraStart, 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where, ellipsizedWidth, okwidth, 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint); 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here = ok; 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (fit != here) { 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output fit " + here + " to " +fit); 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here, fit, 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitascent, fitdescent, 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fittop, fitbottom, 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, chooseht, 429c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt choosehtv, fm, hasTabOrEmoji, 430e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt needMultiply, paraStart, chdirs, dir, easy, 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fit == bufend, includepad, trackpad, 432e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt chs, widths, here - paraStart, 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where, ellipsizedWidth, fitwidth, 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint); 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here = fit; 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output one " + here + " to " +(here + 1)); 439e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // XXX not sure why the existing fm wasn't ok. 440e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // measureText(paint, mWorkPaint, 441e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // source, here, here + 1, fm, tab, 442e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // null); 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here, here+1, 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.ascent, fm.descent, 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top, fm.bottom, 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, chooseht, 450c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt choosehtv, fm, hasTabOrEmoji, 451e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt needMultiply, paraStart, chdirs, dir, easy, 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here + 1 == bufend, includepad, 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project trackpad, 454e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt chs, widths, here - paraStart, 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where, ellipsizedWidth, 456e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt widths[here - paraStart], paint); 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project here = here + 1; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 461e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (here < spanStart) { 46223241887515ed77687c23e29a4a3ffff671666bdDoug Felt // didn't output all the text for this span 46323241887515ed77687c23e29a4a3ffff671666bdDoug Felt // we've measured the raw widths, though, so 46423241887515ed77687c23e29a4a3ffff671666bdDoug Felt // just reset the start point 46523241887515ed77687c23e29a4a3ffff671666bdDoug Felt j = nextSpanStart = here; 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project j = here - 1; // continue looping 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = fit = here; 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = 0; 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitascent = fitdescent = fittop = fitbottom = 0; 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okascent = okdescent = oktop = okbottom = 0; 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 475c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (--firstWidthLineLimit <= 0) { 4767b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner width = restwidth; 4777b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner } 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 482e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (paraEnd != here) { 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((fittop | fitbottom | fitdescent | fitascent) == 0) { 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getFontMetricsInt(fm); 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fittop = fm.top; 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitbottom = fm.bottom; 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitascent = fm.ascent; 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitdescent = fm.descent; 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output rest " + here + " to " + end); 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 495e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt here, paraEnd, fitascent, fitdescent, 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fittop, fitbottom, 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, chooseht, 499c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt choosehtv, fm, hasTabOrEmoji, 500e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt needMultiply, paraStart, chdirs, dir, easy, 501e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraEnd == bufend, includepad, trackpad, 502e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt chs, widths, here - paraStart, 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where, ellipsizedWidth, w, paint); 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 506e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraStart = paraEnd; 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 508e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (paraEnd == bufend) 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufend == bufstart || source.charAt(bufend - 1) == '\n') { 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output last " + bufend); 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getFontMetricsInt(fm); 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bufend, bufend, fm.ascent, fm.descent, 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top, fm.bottom, 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, null, 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project null, fm, false, 523e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt needMultiply, bufend, null, DEFAULT_DIR, true, 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project true, includepad, trackpad, 525e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt null, null, bufstart, 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where, ellipsizedWidth, 0, paint); 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final char FIRST_CJK = '\u2E80'; 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns true if the specified character is one of those specified 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * as being Ideographic (class ID) by the Unicode Line Breaking Algorithm 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (http://www.unicode.org/unicode/reports/tr14/), and is therefore OK 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to break between a pair of. 536549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * 537549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * @param includeNonStarters also return true for category NS 538549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * (non-starters), which can be broken 539549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * after but not before. 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 541549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer private static final boolean isIdeographic(char c, boolean includeNonStarters) { 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u2E80' && c <= '\u2FFF') { 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // CJK, KANGXI RADICALS, DESCRIPTION SYMBOLS 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == '\u3000') { 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // IDEOGRAPHIC SPACE 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u3040' && c <= '\u309F') { 549549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer if (!includeNonStarters) { 550549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer switch (c) { 551549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3041': // # HIRAGANA LETTER SMALL A 552549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3043': // # HIRAGANA LETTER SMALL I 553549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3045': // # HIRAGANA LETTER SMALL U 554549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3047': // # HIRAGANA LETTER SMALL E 555549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3049': // # HIRAGANA LETTER SMALL O 556549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3063': // # HIRAGANA LETTER SMALL TU 557549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3083': // # HIRAGANA LETTER SMALL YA 558549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3085': // # HIRAGANA LETTER SMALL YU 559549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3087': // # HIRAGANA LETTER SMALL YO 560549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u308E': // # HIRAGANA LETTER SMALL WA 561549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3095': // # HIRAGANA LETTER SMALL KA 562549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3096': // # HIRAGANA LETTER SMALL KE 563549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u309B': // # KATAKANA-HIRAGANA VOICED SOUND MARK 564549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u309C': // # KATAKANA-HIRAGANA SEMI-VOICED SOUND MARK 565549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u309D': // # HIRAGANA ITERATION MARK 566549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u309E': // # HIRAGANA VOICED ITERATION MARK 567549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer return false; 568549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer } 569549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer } 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // Hiragana (except small characters) 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u30A0' && c <= '\u30FF') { 573549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer if (!includeNonStarters) { 574549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer switch (c) { 575549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A0': // # KATAKANA-HIRAGANA DOUBLE HYPHEN 576549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A1': // # KATAKANA LETTER SMALL A 577549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A3': // # KATAKANA LETTER SMALL I 578549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A5': // # KATAKANA LETTER SMALL U 579549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A7': // # KATAKANA LETTER SMALL E 580549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A9': // # KATAKANA LETTER SMALL O 581549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30C3': // # KATAKANA LETTER SMALL TU 582549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30E3': // # KATAKANA LETTER SMALL YA 583549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30E5': // # KATAKANA LETTER SMALL YU 584549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30E7': // # KATAKANA LETTER SMALL YO 585549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30EE': // # KATAKANA LETTER SMALL WA 586549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30F5': // # KATAKANA LETTER SMALL KA 587549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30F6': // # KATAKANA LETTER SMALL KE 588549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30FB': // # KATAKANA MIDDLE DOT 589549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30FC': // # KATAKANA-HIRAGANA PROLONGED SOUND MARK 590549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30FD': // # KATAKANA ITERATION MARK 591549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30FE': // # KATAKANA VOICED ITERATION MARK 592549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer return false; 593549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer } 594549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer } 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // Katakana (except small characters) 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u3400' && c <= '\u4DB5') { 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // CJK UNIFIED IDEOGRAPHS EXTENSION A 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u4E00' && c <= '\u9FBB') { 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // CJK UNIFIED IDEOGRAPHS 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uF900' && c <= '\uFAD9') { 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // CJK COMPATIBILITY IDEOGRAPHS 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uA000' && c <= '\uA48F') { 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // YI SYLLABLES 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uA490' && c <= '\uA4CF') { 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // YI RADICALS 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uFE62' && c <= '\uFE66') { 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // SMALL PLUS SIGN to SMALL EQUALS SIGN 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uFF10' && c <= '\uFF19') { 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // WIDE DIGITS 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void dump(byte[] data, int count, String label) { 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (false) { 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(label); 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(" " + data[i]); 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(); 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int out(CharSequence text, int start, int end, 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int above, int below, int top, int bottom, int v, 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LineHeightSpan[] chooseht, int[] choosehtv, 639c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt Paint.FontMetricsInt fm, boolean hasTabOrEmoji, 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean needMultiply, int pstart, byte[] chdirs, 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dir, boolean easy, boolean last, 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad, boolean trackpad, 643e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char[] chs, float[] widths, int widstart, 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.TruncateAt ellipsize, float ellipsiswidth, 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float textwidth, TextPaint paint) { 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int j = mLineCount; 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int off = j * mColumns; 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int want = off + mColumns + TOP; 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] lines = mLines; 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (want >= lines.length) { 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nlen = ArrayUtils.idealIntArraySize(want + 1); 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] grow = new int[nlen]; 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(lines, 0, grow, 0, lines.length); 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines = grow; 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines = grow; 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Directions[] grow2 = new Directions[nlen]; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mLineDirections, 0, grow2, 0, 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections.length); 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections = grow2; 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (chooseht != null) { 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.ascent = above; 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.descent = below; 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top = top; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.bottom = bottom; 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < chooseht.length; i++) { 671a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer if (chooseht[i] instanceof LineHeightSpan.WithDensity) { 672a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer ((LineHeightSpan.WithDensity) chooseht[i]). 673a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer chooseHeight(text, start, end, choosehtv[i], v, fm, paint); 674a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer 675a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer } else { 676a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer chooseht[i].chooseHeight(text, start, end, choosehtv[i], v, fm); 677a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer } 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project above = fm.ascent; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project below = fm.descent; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top = fm.top; 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottom = fm.bottom; 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (j == 0) { 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (trackpad) { 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTopPadding = top - above; 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (includepad) { 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project above = top; 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (last) { 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (trackpad) { 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBottomPadding = bottom - below; 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (includepad) { 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project below = bottom; 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int extra; 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (needMultiply) { 7081065758a0f8966a8597a61492112f7859a7050a4Doug Felt double ex = (below - above) * (spacingmult - 1) + spacingadd; 7091065758a0f8966a8597a61492112f7859a7050a4Doug Felt if (ex >= 0) { 7101065758a0f8966a8597a61492112f7859a7050a4Doug Felt extra = (int)(ex + 0.5); 7111065758a0f8966a8597a61492112f7859a7050a4Doug Felt } else { 7121065758a0f8966a8597a61492112f7859a7050a4Doug Felt extra = -(int)(-ex + 0.5); 7131065758a0f8966a8597a61492112f7859a7050a4Doug Felt } 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extra = 0; 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + START] = start; 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + TOP] = v; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + DESCENT] = below + extra; 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v += (below - above) + extra; 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + mColumns + START] = end; 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + mColumns + TOP] = v; 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 726c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (hasTabOrEmoji) 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + TAB] |= TAB_MASK; 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7299f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt lines[off + DIR] |= dir << DIR_SHIFT; 7309f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt Directions linedirs = DIRS_ALL_LEFT_TO_RIGHT; 7319f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt // easy means all chars < the first RTL, so no emoji, no nothing 7324e0c5e55e171532760d5f51e0165563827129d4eDoug Felt // XXX a run with no text or all spaces is easy but might be an empty 7339f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt // RTL paragraph. Make sure easy is false if this is the case. 7349f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt if (easy) { 7359f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt mLineDirections[j] = linedirs; 7369f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt } else { 737e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt mLineDirections[j] = AndroidBidi.directions(dir, chdirs, widstart, chs, 738e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt widstart, end - start); 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If ellipsize is in marquee mode, do not apply ellipsis on the first line 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ellipsize != null && (ellipsize != TextUtils.TruncateAt.MARQUEE || j != 0)) { 742e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt calculateEllipsis(start, end, widths, widstart, 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsiswidth, ellipsize, j, 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project textwidth, paint); 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineCount++; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void calculateEllipsis(int linestart, int lineend, 753e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt float[] widths, int widstart, 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float avail, TextUtils.TruncateAt where, 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int line, float textwidth, TextPaint paint) { 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = lineend - linestart; 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textwidth <= avail) { 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Everything fits! 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_START] = 0; 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_COUNT] = 0; 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float ellipsiswid = paint.measureText("\u2026"); 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ellipsisStart, ellipsisCount; 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where == TextUtils.TruncateAt.START) { 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float sum = 0; 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = len; i >= 0; i--) { 773e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt float w = widths[i - 1 + linestart - widstart]; 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w + sum + ellipsiswid > avail) { 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sum += w; 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisStart = 0; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisCount = i; 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (where == TextUtils.TruncateAt.END || where == TextUtils.TruncateAt.MARQUEE) { 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float sum = 0; 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < len; i++) { 789e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt float w = widths[i + linestart - widstart]; 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w + sum + ellipsiswid > avail) { 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sum += w; 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisStart = i; 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisCount = len - i; 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else /* where = TextUtils.TruncateAt.MIDDLE */ { 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float lsum = 0, rsum = 0; 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int left = 0, right = len; 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float ravail = (avail - ellipsiswid) / 2; 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (right = len; right >= 0; right--) { 806e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt float w = widths[right - 1 + linestart - widstart]; 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w + rsum > ravail) { 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rsum += w; 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float lavail = avail - ellipsiswid - rsum; 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (left = 0; left < right; left++) { 817e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt float w = widths[left + linestart - widstart]; 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w + lsum > lavail) { 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lsum += w; 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisStart = left; 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisCount = right - left; 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_START] = ellipsisStart; 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_COUNT] = ellipsisCount; 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 834e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // Override the base class so we can directly access our members, 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // rather than relying on member functions. 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The logic mirrors that of Layout.getLineForVertical 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME: It may be faster to do a linear search for layouts without many lines. 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineForVertical(int vertical) { 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int high = mLineCount; 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int low = -1; 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int guess; 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] lines = mLines; 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (high - low > 1) { 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project guess = (high + low) >> 1; 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lines[mColumns * guess + TOP] > vertical){ 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project high = guess; 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project low = guess; 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (low < 0) { 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return low; 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineCount() { 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLineCount; 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineTop(int line) { 8634e0c5e55e171532760d5f51e0165563827129d4eDoug Felt return mLines[mColumns * line + TOP]; 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineDescent(int line) { 8674e0c5e55e171532760d5f51e0165563827129d4eDoug Felt return mLines[mColumns * line + DESCENT]; 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineStart(int line) { 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + START] & START_MASK; 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getParagraphDirection(int line) { 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + DIR] >> DIR_SHIFT; 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getLineContainsTab(int line) { 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mLines[mColumns * line + TAB] & TAB_MASK) != 0; 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Directions getLineDirections(int line) { 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLineDirections[line]; 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTopPadding() { 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTopPadding; 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getBottomPadding() { 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mBottomPadding; 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsisCount(int line) { 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColumns < COLUMNS_ELLIPSIZE) { 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + ELLIPSIS_COUNT]; 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsisStart(int line) { 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColumns < COLUMNS_ELLIPSIZE) { 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + ELLIPSIS_START]; 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsizedWidth() { 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mEllipsizedWidth; 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLineCount; 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mTopPadding, mBottomPadding; 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mColumns; 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mEllipsizedWidth; 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int COLUMNS_NORMAL = 3; 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int COLUMNS_ELLIPSIZE = 5; 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START = 0; 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR = START; 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TAB = START; 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOP = 1; 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DESCENT = 2; 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ELLIPSIS_START = 3; 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ELLIPSIS_COUNT = 4; 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mLines; 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Directions[] mLineDirections; 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START_MASK = 0x1FFFFFFF; 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR_MASK = 0xC0000000; 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR_SHIFT = 30; 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TAB_MASK = 0x20000000; 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 940c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt private static final int TAB_INCREMENT = 20; // same as Layout, but that's private 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 943e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * This is reused across calls to generate() 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 945e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private MeasuredText mMeasured; 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Paint.FontMetricsInt mFontMetricsInt = new Paint.FontMetricsInt(); 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 948