StaticLayout.java revision ab08c6d38ab2e575f809ca8ce4c7f095e49d258c
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.text; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Projectimport android.graphics.Bitmap; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Paint; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.style.LeadingMarginSpan; 226611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunneimport android.text.style.LeadingMarginSpan.LeadingMarginSpan2; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.style.LineHeightSpan; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.style.MetricAffectingSpan; 25c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Feltimport android.text.style.TabStopSpan; 268059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglioimport android.util.Log; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28cb379120456d8065d742021fc5c66748fc8a11a8Doug Feltimport com.android.internal.util.ArrayUtils; 29776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinskiimport com.android.internal.util.GrowingArrayUtils; 30cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * StaticLayout is a Layout for text that will not be edited after it 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is laid out. Use {@link DynamicLayout} for text that may change. 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>This is used by widgets to control text layout. You should not need 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to use this class directly unless you are implementing your own widget 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or custom display object, or would be tempted to call 374e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * {@link android.graphics.Canvas#drawText(java.lang.CharSequence, int, int, 384e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * float, float, android.graphics.Paint) 394e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * Canvas.drawText()} directly.</p> 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 41121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Megliopublic class StaticLayout extends Layout { 42121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio 438059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio static final String TAG = "StaticLayout"; 448059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public StaticLayout(CharSequence source, TextPaint paint, 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int width, 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Alignment align, float spacingmult, float spacingadd, 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad) { 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(source, 0, source.length(), paint, width, align, 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, includepad); 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt /** 54cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt * @hide 55cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt */ 56cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt public StaticLayout(CharSequence source, TextPaint paint, 57cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt int width, Alignment align, TextDirectionHeuristic textDir, 58cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt float spacingmult, float spacingadd, 59cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt boolean includepad) { 60cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt this(source, 0, source.length(), paint, width, align, textDir, 61cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt spacingmult, spacingadd, includepad); 62cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt } 63cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public StaticLayout(CharSequence source, int bufstart, int bufend, 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextPaint paint, int outerwidth, 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Alignment align, 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad) { 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(source, bufstart, bufend, paint, outerwidth, align, 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, includepad, null, 0); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 73cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt /** 74cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt * @hide 75cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt */ 76cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt public StaticLayout(CharSequence source, int bufstart, int bufend, 77cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt TextPaint paint, int outerwidth, 78cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt Alignment align, TextDirectionHeuristic textDir, 79cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt float spacingmult, float spacingadd, 80cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt boolean includepad) { 81cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt this(source, bufstart, bufend, paint, outerwidth, align, textDir, 828059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio spacingmult, spacingadd, includepad, null, 0, Integer.MAX_VALUE); 83cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt} 84cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt 85cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt public StaticLayout(CharSequence source, int bufstart, int bufend, 86cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt TextPaint paint, int outerwidth, 87cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt Alignment align, 88cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt float spacingmult, float spacingadd, 89cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt boolean includepad, 90cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt TextUtils.TruncateAt ellipsize, int ellipsizedWidth) { 91cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt this(source, bufstart, bufend, paint, outerwidth, align, 92cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt TextDirectionHeuristics.FIRSTSTRONG_LTR, 938059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio spacingmult, spacingadd, includepad, ellipsize, ellipsizedWidth, Integer.MAX_VALUE); 94cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt } 95cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt 96cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt /** 97cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt * @hide 98cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt */ 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public StaticLayout(CharSequence source, int bufstart, int bufend, 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextPaint paint, int outerwidth, 101cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt Alignment align, TextDirectionHeuristic textDir, 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad, 1048059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio TextUtils.TruncateAt ellipsize, int ellipsizedWidth, int maxLines) { 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super((ellipsize == null) 1064e0c5e55e171532760d5f51e0165563827129d4eDoug Felt ? source 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : (source instanceof Spanned) 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ? new SpannedEllipsizer(source) 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : new Ellipsizer(source), 110cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt paint, outerwidth, align, textDir, spacingmult, spacingadd); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is annoying, but we can't refer to the layout until 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * superclass construction is finished, and the superclass 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constructor wants the reference to the display text. 1164e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This will break if the superclass constructor ever actually 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cares about the content instead of just holding the reference. 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ellipsize != null) { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Ellipsizer e = (Ellipsizer) getText(); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.mLayout = this; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.mWidth = ellipsizedWidth; 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.mMethod = ellipsize; 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEllipsizedWidth = ellipsizedWidth; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColumns = COLUMNS_ELLIPSIZE; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColumns = COLUMNS_NORMAL; 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEllipsizedWidth = outerwidth; 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 134776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski mLineDirections = ArrayUtils.newUnpaddedArray(Directions.class, 2 * mColumns); 135776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski mLines = new int[mLineDirections.length]; 1368059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio mMaximumVisibleLineCount = maxLines; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 138e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt mMeasured = MeasuredText.obtain(); 139e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 140d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne generate(source, bufstart, bufend, paint, outerwidth, textDir, spacingmult, 141d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne spacingadd, includepad, includepad, ellipsizedWidth, 142d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne ellipsize); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 144e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt mMeasured = MeasuredText.recycle(mMeasured); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFontMetricsInt = null; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1488059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio /* package */ StaticLayout(CharSequence text) { 1498059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio super(text, null, 0, null, 0, 0); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColumns = COLUMNS_ELLIPSIZE; 152776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski mLineDirections = ArrayUtils.newUnpaddedArray(Directions.class, 2 * mColumns); 153776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski mLines = new int[mLineDirections.length]; 15481541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne // FIXME This is never recycled 155e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt mMeasured = MeasuredText.obtain(); 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 158121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio /* package */ void generate(CharSequence source, int bufStart, int bufEnd, 159121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio TextPaint paint, int outerWidth, 160d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne TextDirectionHeuristic textDir, float spacingmult, 161d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne float spacingadd, boolean includepad, 162d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne boolean trackpad, float ellipsizedWidth, 163d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne TextUtils.TruncateAt ellipsize) { 16488b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye int[] breakOpp = null; 16588b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye final String localeLanguageTag = paint.getTextLocale().toLanguageTag(); 16688b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineCount = 0; 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int v = 0; 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean needMultiply = (spacingmult != 1 || spacingadd != 0); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint.FontMetricsInt fm = mFontMetricsInt; 173121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int[] chooseHtv = null; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 175e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt MeasuredText measured = mMeasured; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned spanned = null; 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (source instanceof Spanned) 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spanned = (Spanned) source; 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 181e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int paraEnd; 182121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio for (int paraStart = bufStart; paraStart <= bufEnd; paraStart = paraEnd) { 183121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio paraEnd = TextUtils.indexOf(source, CHAR_NEW_LINE, paraStart, bufEnd); 184e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (paraEnd < 0) 185121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio paraEnd = bufEnd; 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 187e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraEnd++; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt int firstWidthLineLimit = mLineCount + 1; 190121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int firstWidth = outerWidth; 191121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int restWidth = outerWidth; 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 193121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio LineHeightSpan[] chooseHt = null; 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanned != null) { 19674d31ef2b2c42b54fa1f7cf94ea955ea67ab69a0Eric Fischer LeadingMarginSpan[] sp = getParagraphSpans(spanned, paraStart, paraEnd, 197e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt LeadingMarginSpan.class); 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < sp.length; i++) { 1997b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner LeadingMarginSpan lms = sp[i]; 200121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio firstWidth -= sp[i].getLeadingMargin(true); 201121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio restWidth -= sp[i].getLeadingMargin(false); 202cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt 203c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt // LeadingMarginSpan2 is odd. The count affects all 204ab08c6d38ab2e575f809ca8ce4c7f095e49d258cAnish Athalye // leading margin spans, not just this particular one 205c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (lms instanceof LeadingMarginSpan2) { 206c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt LeadingMarginSpan2 lms2 = (LeadingMarginSpan2) lms; 207c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt int lmsFirstLine = getLineForOffset(spanned.getSpanStart(lms2)); 208ab08c6d38ab2e575f809ca8ce4c7f095e49d258cAnish Athalye firstWidthLineLimit = Math.max(firstWidthLineLimit, 209ab08c6d38ab2e575f809ca8ce4c7f095e49d258cAnish Athalye lmsFirstLine + lms2.getLeadingMarginLineCount()); 2107b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner } 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 213121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHt = getParagraphSpans(spanned, paraStart, paraEnd, LineHeightSpan.class); 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 215121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (chooseHt.length != 0) { 216121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (chooseHtv == null || 217121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHtv.length < chooseHt.length) { 218776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski chooseHtv = ArrayUtils.newUnpaddedIntArray(chooseHt.length); 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 221121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio for (int i = 0; i < chooseHt.length; i++) { 222121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int o = spanned.getSpanStart(chooseHt[i]); 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 224e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (o < paraStart) { 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // starts in this layout, before the 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // current paragraph 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 228121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHtv[i] = getLineTop(getLineForOffset(o)); 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // starts in this paragraph 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 232121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHtv[i] = v; 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 238cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt measured.setPara(source, paraStart, paraEnd, textDir); 239e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char[] chs = measured.mChars; 240e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt float[] widths = measured.mWidths; 241e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt byte[] chdirs = measured.mLevels; 242e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int dir = measured.mDir; 243e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt boolean easy = measured.mEasy; 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24588b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye breakOpp = nLineBreakOpportunities(localeLanguageTag, chs, paraEnd - paraStart, breakOpp); 24688b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye int breakOppIndex = 0; 24788b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye 248121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int width = firstWidth; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float w = 0; 251cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne // here is the offset of the starting character of the line we are currently measuring 252e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int here = paraStart; 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 254cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne // ok is a character offset located after a word separator (space, tab, number...) where 255cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne // we would prefer to cut the current line. Equals to here when no such break was found. 256e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int ok = paraStart; 257121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio float okWidth = w; 258121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int okAscent = 0, okDescent = 0, okTop = 0, okBottom = 0; 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 260cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne // fit is a character offset such that the [here, fit[ range fits in the allowed width. 261cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne // We will cut the line there if no ok position is found. 262e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int fit = paraStart; 263121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio float fitWidth = w; 264121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int fitAscent = 0, fitDescent = 0, fitTop = 0, fitBottom = 0; 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 266c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt boolean hasTabOrEmoji = false; 267c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt boolean hasTab = false; 268c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt TabStops tabStops = null; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 270cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne for (int spanStart = paraStart, spanEnd; spanStart < paraEnd; spanStart = spanEnd) { 27123241887515ed77687c23e29a4a3ffff671666bdDoug Felt 272cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne if (spanned == null) { 273cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne spanEnd = paraEnd; 27423241887515ed77687c23e29a4a3ffff671666bdDoug Felt int spanLen = spanEnd - spanStart; 275cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne measured.addStyleRun(paint, spanLen, fm); 276cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne } else { 277cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne spanEnd = spanned.nextSpanTransition(spanStart, paraEnd, 278cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne MetricAffectingSpan.class); 279cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne int spanLen = spanEnd - spanStart; 280cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne MetricAffectingSpan[] spans = 28123241887515ed77687c23e29a4a3ffff671666bdDoug Felt spanned.getSpans(spanStart, spanEnd, MetricAffectingSpan.class); 282cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne spans = TextUtils.removeEmptySpans(spans, spanned, MetricAffectingSpan.class); 283cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne measured.addStyleRun(paint, spans, spanLen, fm); 28423241887515ed77687c23e29a4a3ffff671666bdDoug Felt } 28523241887515ed77687c23e29a4a3ffff671666bdDoug Felt 286121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int fmTop = fm.top; 287121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int fmBottom = fm.bottom; 288121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int fmAscent = fm.ascent; 289121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int fmDescent = fm.descent; 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 291e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int j = spanStart; j < spanEnd; j++) { 292e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char c = chs[j - paraStart]; 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 294121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (c == CHAR_NEW_LINE) { 2956611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne // intentionally left empty 296121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio } else if (c == CHAR_TAB) { 297c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (hasTab == false) { 298c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt hasTab = true; 299c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt hasTabOrEmoji = true; 30024ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root if (spanned != null) { 30124ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root // First tab this para, check for tabstops 30274d31ef2b2c42b54fa1f7cf94ea955ea67ab69a0Eric Fischer TabStopSpan[] spans = getParagraphSpans(spanned, paraStart, 30324ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root paraEnd, TabStopSpan.class); 30424ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root if (spans.length > 0) { 30524ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root tabStops = new TabStops(TAB_INCREMENT, spans); 30624ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root } 307c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } 308c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } 309c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (tabStops != null) { 310c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt w = tabStops.nextTab(w); 311c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } else { 312c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt w = TabStops.nextDefaultStop(w, TAB_INCREMENT); 313c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } 314121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio } else if (c >= CHAR_FIRST_HIGH_SURROGATE && c <= CHAR_LAST_LOW_SURROGATE 315121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio && j + 1 < spanEnd) { 316e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int emoji = Character.codePointAt(chs, j - paraStart); 317105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 318105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (emoji >= MIN_EMOJI && emoji <= MAX_EMOJI) { 3190a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne Bitmap bm = EMOJI_FACTORY.getBitmapFromAndroidPua(emoji); 320105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 321105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (bm != null) { 322423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer Paint whichPaint; 323423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 324423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer if (spanned == null) { 325423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer whichPaint = paint; 326423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer } else { 327423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer whichPaint = mWorkPaint; 328423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer } 329423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 330d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne float wid = bm.getWidth() * -whichPaint.ascent() / bm.getHeight(); 331423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 332423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer w += wid; 333c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt hasTabOrEmoji = true; 334105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project j++; 335105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 336e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt w += widths[j - paraStart]; 337105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 338105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 339e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt w += widths[j - paraStart]; 340105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 341105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 342e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt w += widths[j - paraStart]; 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3458d087c349f0a3b7946a95869562f020892d47a86Raph Levien boolean isSpaceOrTab = c == CHAR_SPACE || c == CHAR_TAB || c == CHAR_ZWSP; 34681541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne 34781541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne if (w <= width || isSpaceOrTab) { 348121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitWidth = w; 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fit = j + 1; 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 351121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fmTop < fitTop) 352121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitTop = fmTop; 353121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fmAscent < fitAscent) 354121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitAscent = fmAscent; 355121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fmDescent > fitDescent) 356121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitDescent = fmDescent; 357121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fmBottom > fitBottom) 358121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitBottom = fmBottom; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36088b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye while (breakOpp[breakOppIndex] != -1 36188b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye && breakOpp[breakOppIndex] < j - paraStart + 1) { 36288b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye breakOppIndex++; 36388b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye } 36488b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye boolean isLineBreak = breakOppIndex < breakOpp.length && 36588b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye breakOpp[breakOppIndex] == j - paraStart + 1; 36681541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne 36781541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne if (isLineBreak) { 368121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio okWidth = w; 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = j + 1; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 371121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fitTop < okTop) 372121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio okTop = fitTop; 373121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fitAscent < okAscent) 374121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio okAscent = fitAscent; 375121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fitDescent > okDescent) 376121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio okDescent = fitDescent; 377121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fitBottom > okBottom) 378121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio okBottom = fitBottom; 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 380d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne } else { 3819cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye final boolean moreChars; 382d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne int endPos; 383d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne int above, below, top, bottom; 384d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne float currentTextWidth; 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 386d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne if (ok != here) { 387d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne endPos = ok; 388d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne above = okAscent; 389d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne below = okDescent; 390d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne top = okTop; 391d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne bottom = okBottom; 392d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne currentTextWidth = okWidth; 3939cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye moreChars = (j + 1 < spanEnd); 394d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne } else if (fit != here) { 395d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne endPos = fit; 396d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne above = fitAscent; 397d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne below = fitDescent; 398d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne top = fitTop; 399d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne bottom = fitBottom; 400d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne currentTextWidth = fitWidth; 4019cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye moreChars = (j + 1 < spanEnd); 402d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne } else { 4039cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye // must make progress, so take next character 404d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne endPos = here + 1; 4059cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye // but to deal properly with clusters 4069cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye // take all zero width characters following that 4079cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye while (endPos < spanEnd && widths[endPos - paraStart] == 0) { 4089cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye endPos++; 4099cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye } 4109cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye above = fmAscent; 4119cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye below = fmDescent; 4129cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye top = fmTop; 4139cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye bottom = fmBottom; 414d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne currentTextWidth = widths[here - paraStart]; 4159cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye moreChars = (endPos < spanEnd); 416d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne } 417d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne 418d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne v = out(source, here, endPos, 419d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne above, below, top, bottom, 420d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne v, spacingmult, spacingadd, chooseHt,chooseHtv, fm, hasTabOrEmoji, 421d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne needMultiply, chdirs, dir, easy, bufEnd, includepad, trackpad, 422d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne chs, widths, paraStart, ellipsize, ellipsizedWidth, 423d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne currentTextWidth, paint, moreChars); 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 425cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne here = endPos; 426cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne j = here - 1; // restart j-span loop from here, compensating for the j++ 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = fit = here; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = 0; 429121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitAscent = fitDescent = fitTop = fitBottom = 0; 430121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio okAscent = okDescent = okTop = okBottom = 0; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 432c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (--firstWidthLineLimit <= 0) { 433121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio width = restWidth; 4347b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner } 435cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne 436cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne if (here < spanStart) { 437cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne // The text was cut before the beginning of the current span range. 438cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne // Exit the span loop, and get spanStart to start over from here. 439cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne measured.setPos(here); 440cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne spanEnd = here; 441cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne break; 442cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne } 44381541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne 44481541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne if (mLineCount >= mMaximumVisibleLineCount) { 44563b3d8c62ef24121f40b2262e89b3f37527beab3Raph Levien return; 44681541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne } 4478059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 451ad0b051b133baf92f199c96a8ac1e81b3393190cFabrice Di Meglio if (paraEnd != here && mLineCount < mMaximumVisibleLineCount) { 452121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if ((fitTop | fitBottom | fitDescent | fitAscent) == 0) { 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getFontMetricsInt(fm); 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 455121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitTop = fm.top; 456121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitBottom = fm.bottom; 457121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitAscent = fm.ascent; 458121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitDescent = fm.descent; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output rest " + here + " to " + end); 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 464121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio here, paraEnd, fitAscent, fitDescent, 465121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitTop, fitBottom, 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 467121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio spacingmult, spacingadd, chooseHt, 468121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHtv, fm, hasTabOrEmoji, 469d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne needMultiply, chdirs, dir, easy, bufEnd, 470d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne includepad, trackpad, chs, 471d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne widths, paraStart, ellipsize, 472d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne ellipsizedWidth, w, paint, paraEnd != bufEnd); 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 475e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraStart = paraEnd; 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 477121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (paraEnd == bufEnd) 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4818059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if ((bufEnd == bufStart || source.charAt(bufEnd - 1) == CHAR_NEW_LINE) && 482ad0b051b133baf92f199c96a8ac1e81b3393190cFabrice Di Meglio mLineCount < mMaximumVisibleLineCount) { 483121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio // Log.e("text", "output last " + bufEnd); 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 485e631889e1ae7edc6a2fae495ba504f85820b6a4bFabrice Di Meglio measured.setPara(source, bufStart, bufEnd, textDir); 486e631889e1ae7edc6a2fae495ba504f85820b6a4bFabrice Di Meglio 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getFontMetricsInt(fm); 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 490121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio bufEnd, bufEnd, fm.ascent, fm.descent, 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top, fm.bottom, 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, null, 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project null, fm, false, 495e631889e1ae7edc6a2fae495ba504f85820b6a4bFabrice Di Meglio needMultiply, measured.mLevels, measured.mDir, measured.mEasy, bufEnd, 496d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne includepad, trackpad, null, 497d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne null, bufStart, ellipsize, 498d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne ellipsizedWidth, 0, paint, false); 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int out(CharSequence text, int start, int end, 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int above, int below, int top, int bottom, int v, 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 505121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio LineHeightSpan[] chooseHt, int[] chooseHtv, 506c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt Paint.FontMetricsInt fm, boolean hasTabOrEmoji, 507d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne boolean needMultiply, byte[] chdirs, int dir, 508d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne boolean easy, int bufEnd, boolean includePad, 509d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne boolean trackPad, char[] chs, 510d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne float[] widths, int widthStart, TextUtils.TruncateAt ellipsize, 511d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne float ellipsisWidth, float textWidth, 512d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne TextPaint paint, boolean moreChars) { 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int j = mLineCount; 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int off = j * mColumns; 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int want = off + mColumns + TOP; 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] lines = mLines; 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (want >= lines.length) { 519776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski Directions[] grow2 = ArrayUtils.newUnpaddedArray( 520776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski Directions.class, GrowingArrayUtils.growSize(want)); 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mLineDirections, 0, grow2, 0, 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections.length); 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections = grow2; 524776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski 525776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski int[] grow = new int[grow2.length]; 526776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski System.arraycopy(lines, 0, grow, 0, lines.length); 527776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski mLines = grow; 528776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski lines = grow; 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 531121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (chooseHt != null) { 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.ascent = above; 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.descent = below; 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top = top; 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.bottom = bottom; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 537121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio for (int i = 0; i < chooseHt.length; i++) { 538121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (chooseHt[i] instanceof LineHeightSpan.WithDensity) { 539121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio ((LineHeightSpan.WithDensity) chooseHt[i]). 540121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHeight(text, start, end, chooseHtv[i], v, fm, paint); 541a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer 542a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer } else { 543121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHt[i].chooseHeight(text, start, end, chooseHtv[i], v, fm); 544a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer } 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project above = fm.ascent; 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project below = fm.descent; 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top = fm.top; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottom = fm.bottom; 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 553d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien boolean firstLine = (j == 0); 554d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien boolean currentLineIsTheLastVisibleOne = (j + 1 == mMaximumVisibleLineCount); 555d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien boolean lastLine = currentLineIsTheLastVisibleOne || (end == bufEnd); 556d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien 557d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien if (firstLine) { 558121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (trackPad) { 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTopPadding = top - above; 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 562121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (includePad) { 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project above = top; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 566d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien 567d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien int extra; 568d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien 569d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien if (lastLine) { 570121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (trackPad) { 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBottomPadding = bottom - below; 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 574121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (includePad) { 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project below = bottom; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 580d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien if (needMultiply && !lastLine) { 5811065758a0f8966a8597a61492112f7859a7050a4Doug Felt double ex = (below - above) * (spacingmult - 1) + spacingadd; 5821065758a0f8966a8597a61492112f7859a7050a4Doug Felt if (ex >= 0) { 583121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio extra = (int)(ex + EXTRA_ROUNDING); 5841065758a0f8966a8597a61492112f7859a7050a4Doug Felt } else { 585121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio extra = -(int)(-ex + EXTRA_ROUNDING); 5861065758a0f8966a8597a61492112f7859a7050a4Doug Felt } 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extra = 0; 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + START] = start; 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + TOP] = v; 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + DESCENT] = below + extra; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v += (below - above) + extra; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + mColumns + START] = end; 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + mColumns + TOP] = v; 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 599c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (hasTabOrEmoji) 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + TAB] |= TAB_MASK; 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6029f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt lines[off + DIR] |= dir << DIR_SHIFT; 6039f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt Directions linedirs = DIRS_ALL_LEFT_TO_RIGHT; 6049f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt // easy means all chars < the first RTL, so no emoji, no nothing 6054e0c5e55e171532760d5f51e0165563827129d4eDoug Felt // XXX a run with no text or all spaces is easy but might be an empty 6069f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt // RTL paragraph. Make sure easy is false if this is the case. 6079f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt if (easy) { 6089f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt mLineDirections[j] = linedirs; 6099f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt } else { 610f3fa0cdbaea109b114f7facbb5d42de3fc12bbc8Gilles Debunne mLineDirections[j] = AndroidBidi.directions(dir, chdirs, start - widthStart, chs, 611f3fa0cdbaea109b114f7facbb5d42de3fc12bbc8Gilles Debunne start - widthStart, end - start); 6120a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne } 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 614aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio if (ellipsize != null) { 615aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio // If there is only one line, then do any type of ellipsis except when it is MARQUEE 616aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio // if there are multiple lines, just allow END ellipsis on the last line 6178059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio boolean forceEllipsis = moreChars && (mLineCount + 1 == mMaximumVisibleLineCount); 618aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio 61934a126e51aaf22e32c7af808ec6b5a0c41ae3311Fabrice Di Meglio boolean doEllipsis = 62034a126e51aaf22e32c7af808ec6b5a0c41ae3311Fabrice Di Meglio (((mMaximumVisibleLineCount == 1 && moreChars) || (firstLine && !moreChars)) && 621aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsize != TextUtils.TruncateAt.MARQUEE) || 622aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio (!firstLine && (currentLineIsTheLastVisibleOne || !moreChars) && 623aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsize == TextUtils.TruncateAt.END); 624aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio if (doEllipsis) { 625aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio calculateEllipsis(start, end, widths, widthStart, 626aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsisWidth, ellipsize, j, 627aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio textWidth, paint, forceEllipsis); 628aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio } 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineCount++; 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 635121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private void calculateEllipsis(int lineStart, int lineEnd, 636121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio float[] widths, int widthStart, 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float avail, TextUtils.TruncateAt where, 6388059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int line, float textWidth, TextPaint paint, 6398059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio boolean forceEllipsis) { 6408059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (textWidth <= avail && !forceEllipsis) { 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Everything fits! 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_START] = 0; 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_COUNT] = 0; 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 647cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio float ellipsisWidth = paint.measureText( 6488d44fff7e62f77c3b3072a96712cc1389e63ca64Fabrice Di Meglio (where == TextUtils.TruncateAt.END_SMALL) ? 6498d44fff7e62f77c3b3072a96712cc1389e63ca64Fabrice Di Meglio ELLIPSIS_TWO_DOTS : ELLIPSIS_NORMAL, 0, 1); 6508059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int ellipsisStart = 0; 6518059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int ellipsisCount = 0; 652121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int len = lineEnd - lineStart; 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6548059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio // We only support start ellipsis on a single line 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where == TextUtils.TruncateAt.START) { 6568059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (mMaximumVisibleLineCount == 1) { 6578059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float sum = 0; 6588059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int i; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6608059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio for (i = len; i >= 0; i--) { 6618059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float w = widths[i - 1 + lineStart - widthStart]; 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6638059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (w + sum + ellipsisWidth > avail) { 6648059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio break; 6658059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 6668059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio 6678059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio sum += w; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6708059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisStart = 0; 6718059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisCount = i; 6728059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } else { 6738059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (Log.isLoggable(TAG, Log.WARN)) { 6748059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio Log.w(TAG, "Start Ellipsis only supported with one line"); 6758059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 677cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio } else if (where == TextUtils.TruncateAt.END || where == TextUtils.TruncateAt.MARQUEE || 678cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio where == TextUtils.TruncateAt.END_SMALL) { 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float sum = 0; 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < len; i++) { 683121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio float w = widths[i + lineStart - widthStart]; 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 685121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (w + sum + ellipsisWidth > avail) { 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sum += w; 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisStart = i; 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisCount = len - i; 694aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio if (forceEllipsis && ellipsisCount == 0 && len > 0) { 695aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsisStart = len - 1; 6968059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisCount = 1; 6978059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 6988059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } else { 6998059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio // where = TextUtils.TruncateAt.MIDDLE We only support middle ellipsis on a single line 7008059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (mMaximumVisibleLineCount == 1) { 7018059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float lsum = 0, rsum = 0; 7028059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int left = 0, right = len; 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7048059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float ravail = (avail - ellipsisWidth) / 2; 7058059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio for (right = len; right >= 0; right--) { 7068059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float w = widths[right - 1 + lineStart - widthStart]; 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7088059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (w + rsum > ravail) { 7098059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio break; 7108059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 7118059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio 7128059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio rsum += w; 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7158059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float lavail = avail - ellipsisWidth - rsum; 7168059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio for (left = 0; left < right; left++) { 7178059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float w = widths[left + lineStart - widthStart]; 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7198059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (w + lsum > lavail) { 7208059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio break; 7218059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7238059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio lsum += w; 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7268059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisStart = left; 7278059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisCount = right - left; 7288059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } else { 7298059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (Log.isLoggable(TAG, Log.WARN)) { 7308059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio Log.w(TAG, "Middle Ellipsis only supported with one line"); 7318059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_START] = ellipsisStart; 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_COUNT] = ellipsisCount; 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // Override the base class so we can directly access our members, 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // rather than relying on member functions. 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The logic mirrors that of Layout.getLineForVertical 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME: It may be faster to do a linear search for layouts without many lines. 7436611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineForVertical(int vertical) { 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int high = mLineCount; 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int low = -1; 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int guess; 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] lines = mLines; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (high - low > 1) { 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project guess = (high + low) >> 1; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lines[mColumns * guess + TOP] > vertical){ 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project high = guess; 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project low = guess; 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (low < 0) { 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return low; 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7646611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineCount() { 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLineCount; 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7696611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineTop(int line) { 7710a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne int top = mLines[mColumns * line + TOP]; 7720a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne if (mMaximumVisibleLineCount > 0 && line >= mMaximumVisibleLineCount && 7730a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne line != mLineCount) { 7740a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne top += getBottomPadding(); 7750a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne } 7760a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne return top; 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7796611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineDescent(int line) { 7810a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne int descent = mLines[mColumns * line + DESCENT]; 782f3fa0cdbaea109b114f7facbb5d42de3fc12bbc8Gilles Debunne if (mMaximumVisibleLineCount > 0 && line >= mMaximumVisibleLineCount - 1 && // -1 intended 7830a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne line != mLineCount) { 7840a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne descent += getBottomPadding(); 7850a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne } 7860a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne return descent; 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7896611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineStart(int line) { 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + START] & START_MASK; 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7946611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getParagraphDirection(int line) { 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + DIR] >> DIR_SHIFT; 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7996611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getLineContainsTab(int line) { 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mLines[mColumns * line + TAB] & TAB_MASK) != 0; 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8046611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Directions getLineDirections(int line) { 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLineDirections[line]; 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8096611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTopPadding() { 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTopPadding; 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8146611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getBottomPadding() { 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mBottomPadding; 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsisCount(int line) { 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColumns < COLUMNS_ELLIPSIZE) { 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + ELLIPSIS_COUNT]; 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsisStart(int line) { 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColumns < COLUMNS_ELLIPSIZE) { 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + ELLIPSIS_START]; 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsizedWidth() { 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mEllipsizedWidth; 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 842e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy void prepare() { 843e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy mMeasured = MeasuredText.obtain(); 844e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy } 845e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy 846e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy void finish() { 847e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy mMeasured = MeasuredText.recycle(mMeasured); 848e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy } 8490a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne 85088b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye // returns an array with terminal sentinel value -1 to indicate end 85188b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye // this is so that arrays can be recycled instead of allocating new arrays 85288b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye // every time 85388b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye private static native int[] nLineBreakOpportunities(String locale, char[] text, int length, int[] recycle); 85488b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLineCount; 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mTopPadding, mBottomPadding; 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mColumns; 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mEllipsizedWidth; 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int COLUMNS_NORMAL = 3; 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int COLUMNS_ELLIPSIZE = 5; 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START = 0; 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR = START; 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TAB = START; 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOP = 1; 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DESCENT = 2; 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ELLIPSIS_START = 3; 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ELLIPSIS_COUNT = 4; 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mLines; 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Directions[] mLineDirections; 8728059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio private int mMaximumVisibleLineCount = Integer.MAX_VALUE; 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START_MASK = 0x1FFFFFFF; 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR_SHIFT = 30; 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TAB_MASK = 0x20000000; 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 878c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt private static final int TAB_INCREMENT = 20; // same as Layout, but that's private 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 880121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final char CHAR_NEW_LINE = '\n'; 881121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final char CHAR_TAB = '\t'; 882121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final char CHAR_SPACE = ' '; 8838d087c349f0a3b7946a95869562f020892d47a86Raph Levien private static final char CHAR_ZWSP = '\u200B'; 884121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio 885121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final double EXTRA_ROUNDING = 0.5; 886cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio 887121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final int CHAR_FIRST_HIGH_SURROGATE = 0xD800; 888121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final int CHAR_LAST_LOW_SURROGATE = 0xDFFF; 889121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 891e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * This is reused across calls to generate() 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 893e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private MeasuredText mMeasured; 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Paint.FontMetricsInt mFontMetricsInt = new Paint.FontMetricsInt(); 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 896