StaticLayout.java revision be46d1456beb7e2f3e8b82bda2d0a5023db3debd
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; 246611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunneimport android.text.style.LeadingMarginSpan.LeadingMarginSpan2; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.style.LineHeightSpan; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.style.MetricAffectingSpan; 27c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Feltimport android.text.style.TabStopSpan; 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 */ 396611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunnepublic class StaticLayout extends 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) 654e0c5e55e171532760d5f51e0165563827129d4eDoug Felt ? 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. 754e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * 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 97e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt mMeasured = MeasuredText.obtain(); 98e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project generate(source, bufstart, bufend, paint, outerwidth, align, 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, includepad, includepad, 1010a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne ellipsizedWidth, ellipsize); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 103e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt mMeasured = MeasuredText.recycle(mMeasured); 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)]; 114e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt mMeasured = MeasuredText.obtain(); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void generate(CharSequence source, int bufstart, int bufend, 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextPaint paint, int outerwidth, 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Alignment align, 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad, boolean trackpad, 1220a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne float ellipsizedWidth, TextUtils.TruncateAt ellipsize) { 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 131e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt MeasuredText measured = mMeasured; 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned spanned = null; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (source instanceof Spanned) 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spanned = (Spanned) source; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int DEFAULT_DIR = DIR_LEFT_TO_RIGHT; // XXX 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 139e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int paraEnd; 140e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int paraStart = bufstart; paraStart <= bufend; paraStart = paraEnd) { 141e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraEnd = TextUtils.indexOf(source, '\n', paraStart, bufend); 142e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (paraEnd < 0) 143e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraEnd = bufend; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 145e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraEnd++; 146e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int paraLen = paraEnd - paraStart; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 148c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt int firstWidthLineLimit = mLineCount + 1; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int firstwidth = outerwidth; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int restwidth = outerwidth; 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LineHeightSpan[] chooseht = null; 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanned != null) { 15574d31ef2b2c42b54fa1f7cf94ea955ea67ab69a0Eric Fischer LeadingMarginSpan[] sp = getParagraphSpans(spanned, paraStart, paraEnd, 156e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt LeadingMarginSpan.class); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < sp.length; i++) { 1587b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner LeadingMarginSpan lms = sp[i]; 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project firstwidth -= sp[i].getLeadingMargin(true); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project restwidth -= sp[i].getLeadingMargin(false); 161c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt 162c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt // LeadingMarginSpan2 is odd. The count affects all 163c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt // leading margin spans, not just this particular one, 164c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt // and start from the top of the span, not the top of the 165c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt // paragraph. 166c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (lms instanceof LeadingMarginSpan2) { 167c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt LeadingMarginSpan2 lms2 = (LeadingMarginSpan2) lms; 168c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt int lmsFirstLine = getLineForOffset(spanned.getSpanStart(lms2)); 169c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt firstWidthLineLimit = lmsFirstLine + 170c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt lms2.getLeadingMarginLineCount(); 1717b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner } 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17474d31ef2b2c42b54fa1f7cf94ea955ea67ab69a0Eric Fischer chooseht = getParagraphSpans(spanned, paraStart, paraEnd, LineHeightSpan.class); 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (chooseht.length != 0) { 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (choosehtv == null || 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv.length < chooseht.length) { 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv = new int[ArrayUtils.idealIntArraySize( 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chooseht.length)]; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < chooseht.length; i++) { 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int o = spanned.getSpanStart(chooseht[i]); 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 186e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (o < paraStart) { 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // starts in this layout, before the 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // current paragraph 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1904e0c5e55e171532760d5f51e0165563827129d4eDoug Felt choosehtv[i] = getLineTop(getLineForOffset(o)); 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // starts in this paragraph 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project choosehtv[i] = v; 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 200e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt measured.setPara(source, paraStart, paraEnd, DIR_REQUEST_DEFAULT_LTR); 201e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char[] chs = measured.mChars; 202e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt float[] widths = measured.mWidths; 203e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt byte[] chdirs = measured.mLevels; 204e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int dir = measured.mDir; 205e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt boolean easy = measured.mEasy; 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 207e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt CharSequence sub = source; 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int width = firstwidth; 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float w = 0; 212e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int here = paraStart; 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 214e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int ok = paraStart; 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float okwidth = w; 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int okascent = 0, okdescent = 0, oktop = 0, okbottom = 0; 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 218e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int fit = paraStart; 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float fitwidth = w; 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fitascent = 0, fitdescent = 0, fittop = 0, fitbottom = 0; 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 222c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt boolean hasTabOrEmoji = false; 223c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt boolean hasTab = false; 224c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt TabStops tabStops = null; 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22623241887515ed77687c23e29a4a3ffff671666bdDoug Felt for (int spanStart = paraStart, spanEnd = spanStart, nextSpanStart; 22723241887515ed77687c23e29a4a3ffff671666bdDoug Felt spanStart < paraEnd; spanStart = nextSpanStart) { 22823241887515ed77687c23e29a4a3ffff671666bdDoug Felt 22923241887515ed77687c23e29a4a3ffff671666bdDoug Felt if (spanStart == spanEnd) { 23023241887515ed77687c23e29a4a3ffff671666bdDoug Felt if (spanned == null) 23123241887515ed77687c23e29a4a3ffff671666bdDoug Felt spanEnd = paraEnd; 23223241887515ed77687c23e29a4a3ffff671666bdDoug Felt else 23323241887515ed77687c23e29a4a3ffff671666bdDoug Felt spanEnd = spanned.nextSpanTransition(spanStart, paraEnd, 23423241887515ed77687c23e29a4a3ffff671666bdDoug Felt MetricAffectingSpan.class); 23523241887515ed77687c23e29a4a3ffff671666bdDoug Felt 23623241887515ed77687c23e29a4a3ffff671666bdDoug Felt int spanLen = spanEnd - spanStart; 23723241887515ed77687c23e29a4a3ffff671666bdDoug Felt if (spanned == null) { 23823241887515ed77687c23e29a4a3ffff671666bdDoug Felt measured.addStyleRun(paint, spanLen, fm); 23923241887515ed77687c23e29a4a3ffff671666bdDoug Felt } else { 24023241887515ed77687c23e29a4a3ffff671666bdDoug Felt MetricAffectingSpan[] spans = 24123241887515ed77687c23e29a4a3ffff671666bdDoug Felt spanned.getSpans(spanStart, spanEnd, MetricAffectingSpan.class); 24223241887515ed77687c23e29a4a3ffff671666bdDoug Felt measured.addStyleRun(paint, spans, spanLen, fm); 24323241887515ed77687c23e29a4a3ffff671666bdDoug Felt } 24423241887515ed77687c23e29a4a3ffff671666bdDoug Felt } 24523241887515ed77687c23e29a4a3ffff671666bdDoug Felt 24623241887515ed77687c23e29a4a3ffff671666bdDoug Felt nextSpanStart = spanEnd; 247e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int startInPara = spanStart - paraStart; 248e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int endInPara = spanEnd - paraStart; 2494e0c5e55e171532760d5f51e0165563827129d4eDoug Felt 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fmtop = fm.top; 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fmbottom = fm.bottom; 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fmascent = fm.ascent; 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fmdescent = fm.descent; 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 255e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int j = spanStart; j < spanEnd; j++) { 256e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char c = chs[j - paraStart]; 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float before = w; 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 259105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (c == '\n') { 2606611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne // intentionally left empty 261105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else if (c == '\t') { 262c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (hasTab == false) { 263c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt hasTab = true; 264c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt hasTabOrEmoji = true; 26524ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root if (spanned != null) { 26624ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root // First tab this para, check for tabstops 26774d31ef2b2c42b54fa1f7cf94ea955ea67ab69a0Eric Fischer TabStopSpan[] spans = getParagraphSpans(spanned, paraStart, 26824ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root paraEnd, TabStopSpan.class); 26924ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root if (spans.length > 0) { 27024ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root tabStops = new TabStops(TAB_INCREMENT, spans); 27124ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root } 272c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } 273c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } 274c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (tabStops != null) { 275c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt w = tabStops.nextTab(w); 276c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } else { 277c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt w = TabStops.nextDefaultStop(w, TAB_INCREMENT); 278c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } 279e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else if (c >= 0xD800 && c <= 0xDFFF && j + 1 < spanEnd) { 280e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int emoji = Character.codePointAt(chs, j - paraStart); 281105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 282105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (emoji >= MIN_EMOJI && emoji <= MAX_EMOJI) { 2830a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne Bitmap bm = EMOJI_FACTORY.getBitmapFromAndroidPua(emoji); 284105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 285105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (bm != null) { 286423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer Paint whichPaint; 287423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 288423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer if (spanned == null) { 289423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer whichPaint = paint; 290423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer } else { 291423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer whichPaint = mWorkPaint; 292423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer } 293423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 2944e0c5e55e171532760d5f51e0165563827129d4eDoug Felt float wid = bm.getWidth() * 295423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer -whichPaint.ascent() / 296423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer bm.getHeight(); 297423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 298423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer w += wid; 299c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt hasTabOrEmoji = true; 300105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project j++; 301105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 302e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt w += widths[j - paraStart]; 303105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 304105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 305e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt w += widths[j - paraStart]; 306105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 307105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 308e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt w += widths[j - paraStart]; 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "was " + before + " now " + w + " after " + c + " within " + width); 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w <= width) { 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitwidth = w; 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fit = j + 1; 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmtop < fittop) 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fittop = fmtop; 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmascent < fitascent) 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitascent = fmascent; 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmdescent > fitdescent) 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitdescent = fmdescent; 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fmbottom > fitbottom) 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitbottom = fmbottom; 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From the Unicode Line Breaking Algorithm: 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (at least approximately) 3294e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * .,:; are class IS: breakpoints 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * except when adjacent to digits 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * / is class SY: a breakpoint 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * except when followed by a digit. 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - is class HY: a breakpoint 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * except when followed by a digit. 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 337549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * Ideographs are class ID: breakpoints when adjacent, 338549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * except for NS (non-starters), which can be broken 339549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * after but not before. 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == ' ' || c == '\t' || 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((c == '.' || c == ',' || c == ':' || c == ';') && 344e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt (j - 1 < here || !Character.isDigit(chs[j - 1 - paraStart])) && 345e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt (j + 1 >= spanEnd || !Character.isDigit(chs[j + 1 - paraStart]))) || 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((c == '/' || c == '-') && 347e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt (j + 1 >= spanEnd || !Character.isDigit(chs[j + 1 - paraStart]))) || 348549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer (c >= FIRST_CJK && isIdeographic(c, true) && 349e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt j + 1 < spanEnd && isIdeographic(chs[j + 1 - paraStart], false))) { 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okwidth = w; 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = j + 1; 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fittop < oktop) 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project oktop = fittop; 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fitascent < okascent) 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okascent = fitascent; 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fitdescent > okdescent) 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okdescent = fitdescent; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fitbottom > okbottom) 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okbottom = fitbottom; 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 362d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne } else { 3630a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne if (ellipsize != null) { 3640a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne // Break only at spaces using ok indexes. 365d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne if (ok != here) { 366d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne // Log.e("text", "output ok " + here + " to " +ok); 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 368d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne while (ok < spanEnd && chs[ok - paraStart] == ' ') { 369d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne ok++; 370d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne } 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 372d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne v = out(source, 373d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne here, ok, 374d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne okascent, okdescent, oktop, okbottom, 375d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne v, 376d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne spacingmult, spacingadd, chooseht, 377d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne choosehtv, fm, hasTabOrEmoji, 378d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne needMultiply, paraStart, chdirs, dir, easy, 379d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne ok == bufend, includepad, trackpad, 380d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne chs, widths, here - paraStart, 3810a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne ellipsize, ellipsizedWidth, okwidth, 382d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne paint); 383d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne 384d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne here = ok; 385d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne } else { 386d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne // Act like it fit even though it didn't. 387d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne 388d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne fitwidth = w; 389d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne here = fit = j + 1; 390d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne 391d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne if (fmtop < fittop) 392d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne fittop = fmtop; 393d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne if (fmascent < fitascent) 394d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne fitascent = fmascent; 395d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne if (fmdescent > fitdescent) 396d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne fitdescent = fmdescent; 397d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne if (fmbottom > fitbottom) 398d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne fitbottom = fmbottom; 399d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne } 4004cf435df2e485e405f085982ac8fd9c82fb57d47Gilles Debunne } else { 401d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne if (ok != here) { 402d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne // Log.e("text", "output ok " + here + " to " +ok); 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 404d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne while (ok < spanEnd && chs[ok - paraStart] == ' ') { 405d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne ok++; 406d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne } 4074cf435df2e485e405f085982ac8fd9c82fb57d47Gilles Debunne 408d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne v = out(source, 409d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne here, ok, 410d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne okascent, okdescent, oktop, okbottom, 411d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne v, 412d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne spacingmult, spacingadd, chooseht, 413d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne choosehtv, fm, hasTabOrEmoji, 414d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne needMultiply, paraStart, chdirs, dir, easy, 415d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne ok == bufend, includepad, trackpad, 416d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne chs, widths, here - paraStart, 4170a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne ellipsize, ellipsizedWidth, okwidth, 418d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne paint); 419d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne 420d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne here = ok; 421d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne } else if (fit != here) { 422d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne // Log.e("text", "output fit " + here + " to " +fit); 423d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne v = out(source, 424d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne here, fit, 425d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne fitascent, fitdescent, 426d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne fittop, fitbottom, 427d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne v, 428d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne spacingmult, spacingadd, chooseht, 429d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne choosehtv, fm, hasTabOrEmoji, 430d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne needMultiply, paraStart, chdirs, dir, easy, 431d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne fit == bufend, includepad, trackpad, 432d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne chs, widths, here - paraStart, 4330a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne ellipsize, ellipsizedWidth, fitwidth, 434d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne paint); 435d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne 436d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne here = fit; 437d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne } else { 438d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne // Log.e("text", "output one " + here + " to " +(here + 1)); 439d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne // XXX not sure why the existing fm wasn't ok. 440d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne // measureText(paint, mWorkPaint, 441d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne // source, here, here + 1, fm, tab, 442d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne // null); 443d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne 444d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne v = out(source, 445d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne here, here+1, 446d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne fm.ascent, fm.descent, 447d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne fm.top, fm.bottom, 448d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne v, 449d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne spacingmult, spacingadd, chooseht, 450d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne choosehtv, fm, hasTabOrEmoji, 451d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne needMultiply, paraStart, chdirs, dir, easy, 452d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne here + 1 == bufend, includepad, 453d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne trackpad, 454d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne chs, widths, here - paraStart, 4550a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne ellipsize, ellipsizedWidth, 456d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne widths[here - paraStart], paint); 457d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne 458d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne here = here + 1; 459d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne } 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 462e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (here < spanStart) { 46323241887515ed77687c23e29a4a3ffff671666bdDoug Felt // didn't output all the text for this span 46423241887515ed77687c23e29a4a3ffff671666bdDoug Felt // we've measured the raw widths, though, so 46523241887515ed77687c23e29a4a3ffff671666bdDoug Felt // just reset the start point 46623241887515ed77687c23e29a4a3ffff671666bdDoug Felt j = nextSpanStart = here; 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project j = here - 1; // continue looping 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = fit = here; 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = 0; 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitascent = fitdescent = fittop = fitbottom = 0; 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okascent = okdescent = oktop = okbottom = 0; 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 476c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (--firstWidthLineLimit <= 0) { 4777b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner width = restwidth; 4787b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner } 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 483e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (paraEnd != here) { 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((fittop | fitbottom | fitdescent | fitascent) == 0) { 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getFontMetricsInt(fm); 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fittop = fm.top; 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitbottom = fm.bottom; 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitascent = fm.ascent; 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fitdescent = fm.descent; 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output rest " + here + " to " + end); 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 496e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt here, paraEnd, fitascent, fitdescent, 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fittop, fitbottom, 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, chooseht, 500c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt choosehtv, fm, hasTabOrEmoji, 501e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt needMultiply, paraStart, chdirs, dir, easy, 502e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraEnd == bufend, includepad, trackpad, 503be46d1456beb7e2f3e8b82bda2d0a5023db3debdPaul Eastham chs, widths, here - paraStart, 5040a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne ellipsize, ellipsizedWidth, w, paint); 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 507e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraStart = paraEnd; 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 509e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (paraEnd == bufend) 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufend == bufstart || source.charAt(bufend - 1) == '\n') { 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output last " + bufend); 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getFontMetricsInt(fm); 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bufend, bufend, fm.ascent, fm.descent, 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top, fm.bottom, 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, null, 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project null, fm, false, 524e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt needMultiply, bufend, null, DEFAULT_DIR, true, 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project true, includepad, trackpad, 526e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt null, null, bufstart, 5270a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne ellipsize, ellipsizedWidth, 0, paint); 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final char FIRST_CJK = '\u2E80'; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns true if the specified character is one of those specified 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * as being Ideographic (class ID) by the Unicode Line Breaking Algorithm 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (http://www.unicode.org/unicode/reports/tr14/), and is therefore OK 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to break between a pair of. 537549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * 538549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * @param includeNonStarters also return true for category NS 539549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * (non-starters), which can be broken 540549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer * after but not before. 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 542549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer private static final boolean isIdeographic(char c, boolean includeNonStarters) { 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u2E80' && c <= '\u2FFF') { 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // CJK, KANGXI RADICALS, DESCRIPTION SYMBOLS 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == '\u3000') { 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // IDEOGRAPHIC SPACE 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u3040' && c <= '\u309F') { 550549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer if (!includeNonStarters) { 551549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer switch (c) { 552549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3041': // # HIRAGANA LETTER SMALL A 553549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3043': // # HIRAGANA LETTER SMALL I 554549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3045': // # HIRAGANA LETTER SMALL U 555549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3047': // # HIRAGANA LETTER SMALL E 556549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3049': // # HIRAGANA LETTER SMALL O 557549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3063': // # HIRAGANA LETTER SMALL TU 558549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3083': // # HIRAGANA LETTER SMALL YA 559549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3085': // # HIRAGANA LETTER SMALL YU 560549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3087': // # HIRAGANA LETTER SMALL YO 561549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u308E': // # HIRAGANA LETTER SMALL WA 562549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3095': // # HIRAGANA LETTER SMALL KA 563549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u3096': // # HIRAGANA LETTER SMALL KE 564549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u309B': // # KATAKANA-HIRAGANA VOICED SOUND MARK 565549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u309C': // # KATAKANA-HIRAGANA SEMI-VOICED SOUND MARK 566549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u309D': // # HIRAGANA ITERATION MARK 567549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u309E': // # HIRAGANA VOICED ITERATION MARK 568549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer return false; 569549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer } 570549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer } 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // Hiragana (except small characters) 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u30A0' && c <= '\u30FF') { 574549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer if (!includeNonStarters) { 575549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer switch (c) { 576549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A0': // # KATAKANA-HIRAGANA DOUBLE HYPHEN 577549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A1': // # KATAKANA LETTER SMALL A 578549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A3': // # KATAKANA LETTER SMALL I 579549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A5': // # KATAKANA LETTER SMALL U 580549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A7': // # KATAKANA LETTER SMALL E 581549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30A9': // # KATAKANA LETTER SMALL O 582549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30C3': // # KATAKANA LETTER SMALL TU 583549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30E3': // # KATAKANA LETTER SMALL YA 584549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30E5': // # KATAKANA LETTER SMALL YU 585549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30E7': // # KATAKANA LETTER SMALL YO 586549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30EE': // # KATAKANA LETTER SMALL WA 587549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30F5': // # KATAKANA LETTER SMALL KA 588549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30F6': // # KATAKANA LETTER SMALL KE 589549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30FB': // # KATAKANA MIDDLE DOT 590549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30FC': // # KATAKANA-HIRAGANA PROLONGED SOUND MARK 591549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30FD': // # KATAKANA ITERATION MARK 592549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer case '\u30FE': // # KATAKANA VOICED ITERATION MARK 593549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer return false; 594549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer } 595549d7243ff9cf638a63a0d5cc82c792b39484e8eEric Fischer } 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // Katakana (except small characters) 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u3400' && c <= '\u4DB5') { 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // CJK UNIFIED IDEOGRAPHS EXTENSION A 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\u4E00' && c <= '\u9FBB') { 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // CJK UNIFIED IDEOGRAPHS 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uF900' && c <= '\uFAD9') { 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // CJK COMPATIBILITY IDEOGRAPHS 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uA000' && c <= '\uA48F') { 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // YI SYLLABLES 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uA490' && c <= '\uA4CF') { 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // YI RADICALS 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uFE62' && c <= '\uFE66') { 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // SMALL PLUS SIGN to SMALL EQUALS SIGN 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= '\uFF10' && c <= '\uFF19') { 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; // WIDE DIGITS 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void dump(byte[] data, int count, String label) { 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (false) { 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(label); 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(" " + data[i]); 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(); 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int out(CharSequence text, int start, int end, 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int above, int below, int top, int bottom, int v, 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LineHeightSpan[] chooseht, int[] choosehtv, 640c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt Paint.FontMetricsInt fm, boolean hasTabOrEmoji, 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean needMultiply, int pstart, byte[] chdirs, 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dir, boolean easy, boolean last, 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad, boolean trackpad, 644e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char[] chs, float[] widths, int widstart, 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.TruncateAt ellipsize, float ellipsiswidth, 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float textwidth, TextPaint paint) { 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int j = mLineCount; 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int off = j * mColumns; 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int want = off + mColumns + TOP; 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] lines = mLines; 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (want >= lines.length) { 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nlen = ArrayUtils.idealIntArraySize(want + 1); 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] grow = new int[nlen]; 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(lines, 0, grow, 0, lines.length); 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines = grow; 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines = grow; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Directions[] grow2 = new Directions[nlen]; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mLineDirections, 0, grow2, 0, 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections.length); 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections = grow2; 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (chooseht != null) { 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.ascent = above; 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.descent = below; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top = top; 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.bottom = bottom; 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < chooseht.length; i++) { 672a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer if (chooseht[i] instanceof LineHeightSpan.WithDensity) { 673a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer ((LineHeightSpan.WithDensity) chooseht[i]). 674a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer chooseHeight(text, start, end, choosehtv[i], v, fm, paint); 675a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer 676a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer } else { 677a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer chooseht[i].chooseHeight(text, start, end, choosehtv[i], v, fm); 678a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer } 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project above = fm.ascent; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project below = fm.descent; 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top = fm.top; 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottom = fm.bottom; 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (j == 0) { 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (trackpad) { 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTopPadding = top - above; 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (includepad) { 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project above = top; 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (last) { 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (trackpad) { 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBottomPadding = bottom - below; 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (includepad) { 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project below = bottom; 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int extra; 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (needMultiply) { 7091065758a0f8966a8597a61492112f7859a7050a4Doug Felt double ex = (below - above) * (spacingmult - 1) + spacingadd; 7101065758a0f8966a8597a61492112f7859a7050a4Doug Felt if (ex >= 0) { 7111065758a0f8966a8597a61492112f7859a7050a4Doug Felt extra = (int)(ex + 0.5); 7121065758a0f8966a8597a61492112f7859a7050a4Doug Felt } else { 7131065758a0f8966a8597a61492112f7859a7050a4Doug Felt extra = -(int)(-ex + 0.5); 7141065758a0f8966a8597a61492112f7859a7050a4Doug Felt } 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extra = 0; 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + START] = start; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + TOP] = v; 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + DESCENT] = below + extra; 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v += (below - above) + extra; 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + mColumns + START] = end; 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + mColumns + TOP] = v; 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 727c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (hasTabOrEmoji) 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + TAB] |= TAB_MASK; 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7309f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt lines[off + DIR] |= dir << DIR_SHIFT; 7319f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt Directions linedirs = DIRS_ALL_LEFT_TO_RIGHT; 7329f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt // easy means all chars < the first RTL, so no emoji, no nothing 7334e0c5e55e171532760d5f51e0165563827129d4eDoug Felt // XXX a run with no text or all spaces is easy but might be an empty 7349f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt // RTL paragraph. Make sure easy is false if this is the case. 7359f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt if (easy) { 7369f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt mLineDirections[j] = linedirs; 7379f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt } else { 738e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt mLineDirections[j] = AndroidBidi.directions(dir, chdirs, widstart, chs, 739e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt widstart, end - start); 7400a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne } 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7420a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne // If ellipsize is in marquee mode, do not apply ellipsis on the first line 7430a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne if (ellipsize != null && (ellipsize != TextUtils.TruncateAt.MARQUEE || j != 0)) { 7440a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne calculateEllipsis(start, end, widths, widstart, 7450a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne ellipsiswidth, ellipsize, j, 7460a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne textwidth, paint); 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineCount++; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void calculateEllipsis(int linestart, int lineend, 754e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt float[] widths, int widstart, 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float avail, TextUtils.TruncateAt where, 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int line, float textwidth, TextPaint paint) { 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; 7670a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne int len = lineend - linestart; 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where == TextUtils.TruncateAt.START) { 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float sum = 0; 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = len; i >= 0; i--) { 774e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt float w = widths[i - 1 + linestart - widstart]; 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w + sum + ellipsiswid > avail) { 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sum += w; 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisStart = 0; 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisCount = i; 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (where == TextUtils.TruncateAt.END || where == TextUtils.TruncateAt.MARQUEE) { 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float sum = 0; 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < len; i++) { 790e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt float w = widths[i + linestart - widstart]; 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w + sum + ellipsiswid > avail) { 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sum += w; 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisStart = i; 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisCount = len - i; 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else /* where = TextUtils.TruncateAt.MIDDLE */ { 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float lsum = 0, rsum = 0; 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int left = 0, right = len; 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float ravail = (avail - ellipsiswid) / 2; 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (right = len; right >= 0; right--) { 807e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt float w = widths[right - 1 + linestart - widstart]; 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w + rsum > ravail) { 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rsum += w; 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float lavail = avail - ellipsiswid - rsum; 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (left = 0; left < right; left++) { 818e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt float w = widths[left + linestart - widstart]; 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w + lsum > lavail) { 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lsum += w; 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisStart = left; 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisCount = right - left; 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_START] = ellipsisStart; 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_COUNT] = ellipsisCount; 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 835e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // Override the base class so we can directly access our members, 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // rather than relying on member functions. 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The logic mirrors that of Layout.getLineForVertical 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME: It may be faster to do a linear search for layouts without many lines. 8396611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineForVertical(int vertical) { 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int high = mLineCount; 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int low = -1; 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int guess; 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] lines = mLines; 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (high - low > 1) { 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project guess = (high + low) >> 1; 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lines[mColumns * guess + TOP] > vertical){ 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project high = guess; 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project low = guess; 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (low < 0) { 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return low; 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8606611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineCount() { 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLineCount; 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8656611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineTop(int line) { 8670a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne int top = mLines[mColumns * line + TOP]; 8680a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne if (mMaximumVisibleLineCount > 0 && line >= mMaximumVisibleLineCount && 8690a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne line != mLineCount) { 8700a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne top += getBottomPadding(); 8710a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne } 8720a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne return top; 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8756611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineDescent(int line) { 8770a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne int descent = mLines[mColumns * line + DESCENT]; 8780a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne if (mMaximumVisibleLineCount > 0 && line >= mMaximumVisibleLineCount - 1 && 8790a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne line != mLineCount) { 8800a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne descent += getBottomPadding(); 8810a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne } 8820a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne return descent; 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8856611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineStart(int line) { 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + START] & START_MASK; 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8906611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getParagraphDirection(int line) { 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + DIR] >> DIR_SHIFT; 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8956611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getLineContainsTab(int line) { 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mLines[mColumns * line + TAB] & TAB_MASK) != 0; 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9006611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Directions getLineDirections(int line) { 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLineDirections[line]; 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9056611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTopPadding() { 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTopPadding; 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9106611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getBottomPadding() { 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mBottomPadding; 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsisCount(int line) { 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColumns < COLUMNS_ELLIPSIZE) { 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + ELLIPSIS_COUNT]; 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsisStart(int line) { 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColumns < COLUMNS_ELLIPSIZE) { 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + ELLIPSIS_START]; 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsizedWidth() { 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mEllipsizedWidth; 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9380a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne /** 9390a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne * @hide 9400a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne */ 9410a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne @Override 9420a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne public void setMaximumVisibleLineCount(int line) { 9430a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne mMaximumVisibleLineCount = line; 9440a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne } 9450a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLineCount; 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mTopPadding, mBottomPadding; 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mColumns; 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mEllipsizedWidth; 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int COLUMNS_NORMAL = 3; 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int COLUMNS_ELLIPSIZE = 5; 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START = 0; 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR = START; 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TAB = START; 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOP = 1; 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DESCENT = 2; 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ELLIPSIS_START = 3; 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ELLIPSIS_COUNT = 4; 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mLines; 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Directions[] mLineDirections; 9630a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne private int mMaximumVisibleLineCount = 0; 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START_MASK = 0x1FFFFFFF; 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR_SHIFT = 30; 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TAB_MASK = 0x20000000; 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt private static final int TAB_INCREMENT = 20; // same as Layout, but that's private 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 972e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * This is reused across calls to generate() 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 974e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private MeasuredText mMeasured; 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Paint.FontMetricsInt mFontMetricsInt = new Paint.FontMetricsInt(); 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 977