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; 26526c87cfb584d4533c9b47f7cbf75f6921c52b928Raph Levien // same as fitWidth but not including any trailing whitespace 26626c87cfb584d4533c9b47f7cbf75f6921c52b928Raph Levien float fitWidthGraphing = w; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 268c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt boolean hasTabOrEmoji = false; 269c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt boolean hasTab = false; 270c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt TabStops tabStops = null; 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 272cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne for (int spanStart = paraStart, spanEnd; spanStart < paraEnd; spanStart = spanEnd) { 27323241887515ed77687c23e29a4a3ffff671666bdDoug Felt 274cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne if (spanned == null) { 275cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne spanEnd = paraEnd; 27623241887515ed77687c23e29a4a3ffff671666bdDoug Felt int spanLen = spanEnd - spanStart; 277cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne measured.addStyleRun(paint, spanLen, fm); 278cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne } else { 279cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne spanEnd = spanned.nextSpanTransition(spanStart, paraEnd, 280cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne MetricAffectingSpan.class); 281cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne int spanLen = spanEnd - spanStart; 282cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne MetricAffectingSpan[] spans = 28323241887515ed77687c23e29a4a3ffff671666bdDoug Felt spanned.getSpans(spanStart, spanEnd, MetricAffectingSpan.class); 284cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne spans = TextUtils.removeEmptySpans(spans, spanned, MetricAffectingSpan.class); 285cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne measured.addStyleRun(paint, spans, spanLen, fm); 28623241887515ed77687c23e29a4a3ffff671666bdDoug Felt } 28723241887515ed77687c23e29a4a3ffff671666bdDoug Felt 288121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int fmTop = fm.top; 289121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int fmBottom = fm.bottom; 290121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int fmAscent = fm.ascent; 291121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int fmDescent = fm.descent; 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 293e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int j = spanStart; j < spanEnd; j++) { 294e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char c = chs[j - paraStart]; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 296121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (c == CHAR_NEW_LINE) { 2976611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne // intentionally left empty 298121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio } else if (c == CHAR_TAB) { 299c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (hasTab == false) { 300c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt hasTab = true; 301c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt hasTabOrEmoji = true; 30224ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root if (spanned != null) { 30324ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root // First tab this para, check for tabstops 30474d31ef2b2c42b54fa1f7cf94ea955ea67ab69a0Eric Fischer TabStopSpan[] spans = getParagraphSpans(spanned, paraStart, 30524ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root paraEnd, TabStopSpan.class); 30624ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root if (spans.length > 0) { 30724ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root tabStops = new TabStops(TAB_INCREMENT, spans); 30824ca4545f3fa9ffaf0a84af11f1ab74cd14d232eKenny Root } 309c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } 310c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } 311c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (tabStops != null) { 312c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt w = tabStops.nextTab(w); 313c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } else { 314c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt w = TabStops.nextDefaultStop(w, TAB_INCREMENT); 315c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt } 316121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio } else if (c >= CHAR_FIRST_HIGH_SURROGATE && c <= CHAR_LAST_LOW_SURROGATE 317121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio && j + 1 < spanEnd) { 318e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int emoji = Character.codePointAt(chs, j - paraStart); 319105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 320105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (emoji >= MIN_EMOJI && emoji <= MAX_EMOJI) { 3210a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne Bitmap bm = EMOJI_FACTORY.getBitmapFromAndroidPua(emoji); 322105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 323105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (bm != null) { 324423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer Paint whichPaint; 325423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 326423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer if (spanned == null) { 327423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer whichPaint = paint; 328423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer } else { 329423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer whichPaint = mWorkPaint; 330423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer } 331423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 332d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne float wid = bm.getWidth() * -whichPaint.ascent() / bm.getHeight(); 333423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer 334423f0e4205e3c49c6a87b389fa6025772aa7010cEric Fischer w += wid; 335c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt hasTabOrEmoji = true; 336105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project j++; 337105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 338e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt w += widths[j - paraStart]; 339105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 340105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 341e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt w += widths[j - paraStart]; 342105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 343105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } else { 344e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt w += widths[j - paraStart]; 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3478d087c349f0a3b7946a95869562f020892d47a86Raph Levien boolean isSpaceOrTab = c == CHAR_SPACE || c == CHAR_TAB || c == CHAR_ZWSP; 34881541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne 34981541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne if (w <= width || isSpaceOrTab) { 350121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitWidth = w; 35126c87cfb584d4533c9b47f7cbf75f6921c52b928Raph Levien if (!isSpaceOrTab) { 35226c87cfb584d4533c9b47f7cbf75f6921c52b928Raph Levien fitWidthGraphing = w; 35326c87cfb584d4533c9b47f7cbf75f6921c52b928Raph Levien } 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fit = j + 1; 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 356121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fmTop < fitTop) 357121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitTop = fmTop; 358121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fmAscent < fitAscent) 359121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitAscent = fmAscent; 360121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fmDescent > fitDescent) 361121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitDescent = fmDescent; 362121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fmBottom > fitBottom) 363121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitBottom = fmBottom; 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36588b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye while (breakOpp[breakOppIndex] != -1 36688b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye && breakOpp[breakOppIndex] < j - paraStart + 1) { 36788b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye breakOppIndex++; 36888b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye } 36988b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye boolean isLineBreak = breakOppIndex < breakOpp.length && 37088b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye breakOpp[breakOppIndex] == j - paraStart + 1; 37181541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne 37281541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne if (isLineBreak) { 37326c87cfb584d4533c9b47f7cbf75f6921c52b928Raph Levien okWidth = fitWidthGraphing; 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = j + 1; 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 376121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fitTop < okTop) 377121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio okTop = fitTop; 378121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fitAscent < okAscent) 379121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio okAscent = fitAscent; 380121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fitDescent > okDescent) 381121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio okDescent = fitDescent; 382121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (fitBottom > okBottom) 383121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio okBottom = fitBottom; 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 385d434d2334d2362f77d3a3fb0b1f788f667039bbfGilles Debunne } else { 386d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne int endPos; 387d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne int above, below, top, bottom; 388d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne float currentTextWidth; 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 390d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne if (ok != here) { 391d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne endPos = ok; 392d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne above = okAscent; 393d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne below = okDescent; 394d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne top = okTop; 395d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne bottom = okBottom; 396d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne currentTextWidth = okWidth; 397d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne } else if (fit != here) { 398d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne endPos = fit; 399d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne above = fitAscent; 400d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne below = fitDescent; 401d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne top = fitTop; 402d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne bottom = fitBottom; 403d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne currentTextWidth = fitWidth; 404d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne } else { 4059cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye // must make progress, so take next character 406d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne endPos = here + 1; 4079cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye // but to deal properly with clusters 4089cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye // take all zero width characters following that 4099cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye while (endPos < spanEnd && widths[endPos - paraStart] == 0) { 4109cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye endPos++; 4119cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye } 4129cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye above = fmAscent; 4139cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye below = fmDescent; 4149cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye top = fmTop; 4159cd3bccdb23bfb06da8ac19a44b4216039699ff9Anish Athalye bottom = fmBottom; 416d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne currentTextWidth = widths[here - paraStart]; 417d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne } 418d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne 4190e3c5e827235911d33312e431975533f046421e7Raph Levien int ellipseEnd = endPos; 4200e3c5e827235911d33312e431975533f046421e7Raph Levien if (mMaximumVisibleLineCount == 1 && ellipsize == TextUtils.TruncateAt.MIDDLE) { 4210e3c5e827235911d33312e431975533f046421e7Raph Levien ellipseEnd = paraEnd; 4220e3c5e827235911d33312e431975533f046421e7Raph Levien } 4230e3c5e827235911d33312e431975533f046421e7Raph Levien v = out(source, here, ellipseEnd, 424d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne above, below, top, bottom, 425d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne v, spacingmult, spacingadd, chooseHt,chooseHtv, fm, hasTabOrEmoji, 426d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne needMultiply, chdirs, dir, easy, bufEnd, includepad, trackpad, 427d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne chs, widths, paraStart, ellipsize, ellipsizedWidth, 428396879f3f88e6384588c421c7e57ceef932aad59Raph Levien currentTextWidth, paint, true); 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 430cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne here = endPos; 431cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne j = here - 1; // restart j-span loop from here, compensating for the j++ 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = fit = here; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = 0; 43426c87cfb584d4533c9b47f7cbf75f6921c52b928Raph Levien fitWidthGraphing = w; 435121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitAscent = fitDescent = fitTop = fitBottom = 0; 436121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio okAscent = okDescent = okTop = okBottom = 0; 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 438c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (--firstWidthLineLimit <= 0) { 439121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio width = restWidth; 4407b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner } 441cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne 442cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne if (here < spanStart) { 443cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne // The text was cut before the beginning of the current span range. 444cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne // Exit the span loop, and get spanStart to start over from here. 445cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne measured.setPos(here); 446cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne spanEnd = here; 447cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne break; 448cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne } 44981541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne 45081541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne if (mLineCount >= mMaximumVisibleLineCount) { 45163b3d8c62ef24121f40b2262e89b3f37527beab3Raph Levien return; 45281541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne } 4538059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 457ad0b051b133baf92f199c96a8ac1e81b3393190cFabrice Di Meglio if (paraEnd != here && mLineCount < mMaximumVisibleLineCount) { 458121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if ((fitTop | fitBottom | fitDescent | fitAscent) == 0) { 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getFontMetricsInt(fm); 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 461121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitTop = fm.top; 462121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitBottom = fm.bottom; 463121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitAscent = fm.ascent; 464121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitDescent = fm.descent; 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output rest " + here + " to " + end); 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 470121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio here, paraEnd, fitAscent, fitDescent, 471121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitTop, fitBottom, 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 473121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio spacingmult, spacingadd, chooseHt, 474121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHtv, fm, hasTabOrEmoji, 475d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne needMultiply, chdirs, dir, easy, bufEnd, 476d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne includepad, trackpad, chs, 477d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne widths, paraStart, ellipsize, 478d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne ellipsizedWidth, w, paint, paraEnd != bufEnd); 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 481e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraStart = paraEnd; 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 483121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (paraEnd == bufEnd) 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4878059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if ((bufEnd == bufStart || source.charAt(bufEnd - 1) == CHAR_NEW_LINE) && 488ad0b051b133baf92f199c96a8ac1e81b3393190cFabrice Di Meglio mLineCount < mMaximumVisibleLineCount) { 489121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio // Log.e("text", "output last " + bufEnd); 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 491e631889e1ae7edc6a2fae495ba504f85820b6a4bFabrice Di Meglio measured.setPara(source, bufStart, bufEnd, textDir); 492e631889e1ae7edc6a2fae495ba504f85820b6a4bFabrice Di Meglio 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getFontMetricsInt(fm); 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 496121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio bufEnd, bufEnd, fm.ascent, fm.descent, 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top, fm.bottom, 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, null, 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project null, fm, false, 501e631889e1ae7edc6a2fae495ba504f85820b6a4bFabrice Di Meglio needMultiply, measured.mLevels, measured.mDir, measured.mEasy, bufEnd, 502d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne includepad, trackpad, null, 503d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne null, bufStart, ellipsize, 504d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne ellipsizedWidth, 0, paint, false); 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int out(CharSequence text, int start, int end, 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int above, int below, int top, int bottom, int v, 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 511121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio LineHeightSpan[] chooseHt, int[] chooseHtv, 512c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt Paint.FontMetricsInt fm, boolean hasTabOrEmoji, 513d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne boolean needMultiply, byte[] chdirs, int dir, 514d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne boolean easy, int bufEnd, boolean includePad, 515d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne boolean trackPad, char[] chs, 516d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne float[] widths, int widthStart, TextUtils.TruncateAt ellipsize, 517d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne float ellipsisWidth, float textWidth, 518d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne TextPaint paint, boolean moreChars) { 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int j = mLineCount; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int off = j * mColumns; 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int want = off + mColumns + TOP; 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] lines = mLines; 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (want >= lines.length) { 525776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski Directions[] grow2 = ArrayUtils.newUnpaddedArray( 526776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski Directions.class, GrowingArrayUtils.growSize(want)); 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mLineDirections, 0, grow2, 0, 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections.length); 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections = grow2; 530776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski 531776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski int[] grow = new int[grow2.length]; 532776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski System.arraycopy(lines, 0, grow, 0, lines.length); 533776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski mLines = grow; 534776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski lines = grow; 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 537121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (chooseHt != null) { 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.ascent = above; 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.descent = below; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top = top; 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.bottom = bottom; 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 543121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio for (int i = 0; i < chooseHt.length; i++) { 544121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (chooseHt[i] instanceof LineHeightSpan.WithDensity) { 545121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio ((LineHeightSpan.WithDensity) chooseHt[i]). 546121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHeight(text, start, end, chooseHtv[i], v, fm, paint); 547a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer 548a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer } else { 549121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHt[i].chooseHeight(text, start, end, chooseHtv[i], v, fm); 550a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer } 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project above = fm.ascent; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project below = fm.descent; 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top = fm.top; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottom = fm.bottom; 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 559d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien boolean firstLine = (j == 0); 560d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien boolean currentLineIsTheLastVisibleOne = (j + 1 == mMaximumVisibleLineCount); 561d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien boolean lastLine = currentLineIsTheLastVisibleOne || (end == bufEnd); 562d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien 563d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien if (firstLine) { 564121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (trackPad) { 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTopPadding = top - above; 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 568121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (includePad) { 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project above = top; 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 572d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien 573d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien int extra; 574d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien 575d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien if (lastLine) { 576121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (trackPad) { 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBottomPadding = bottom - below; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 580121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (includePad) { 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project below = bottom; 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 586d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien if (needMultiply && !lastLine) { 5871065758a0f8966a8597a61492112f7859a7050a4Doug Felt double ex = (below - above) * (spacingmult - 1) + spacingadd; 5881065758a0f8966a8597a61492112f7859a7050a4Doug Felt if (ex >= 0) { 589121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio extra = (int)(ex + EXTRA_ROUNDING); 5901065758a0f8966a8597a61492112f7859a7050a4Doug Felt } else { 591121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio extra = -(int)(-ex + EXTRA_ROUNDING); 5921065758a0f8966a8597a61492112f7859a7050a4Doug Felt } 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extra = 0; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + START] = start; 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + TOP] = v; 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + DESCENT] = below + extra; 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v += (below - above) + extra; 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + mColumns + START] = end; 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + mColumns + TOP] = v; 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 605c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (hasTabOrEmoji) 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + TAB] |= TAB_MASK; 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6089f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt lines[off + DIR] |= dir << DIR_SHIFT; 6099f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt Directions linedirs = DIRS_ALL_LEFT_TO_RIGHT; 6109f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt // easy means all chars < the first RTL, so no emoji, no nothing 6114e0c5e55e171532760d5f51e0165563827129d4eDoug Felt // XXX a run with no text or all spaces is easy but might be an empty 6129f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt // RTL paragraph. Make sure easy is false if this is the case. 6139f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt if (easy) { 6149f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt mLineDirections[j] = linedirs; 6159f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt } else { 616f3fa0cdbaea109b114f7facbb5d42de3fc12bbc8Gilles Debunne mLineDirections[j] = AndroidBidi.directions(dir, chdirs, start - widthStart, chs, 617f3fa0cdbaea109b114f7facbb5d42de3fc12bbc8Gilles Debunne start - widthStart, end - start); 6180a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne } 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 620aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio if (ellipsize != null) { 621aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio // If there is only one line, then do any type of ellipsis except when it is MARQUEE 622aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio // if there are multiple lines, just allow END ellipsis on the last line 6238059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio boolean forceEllipsis = moreChars && (mLineCount + 1 == mMaximumVisibleLineCount); 624aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio 62534a126e51aaf22e32c7af808ec6b5a0c41ae3311Fabrice Di Meglio boolean doEllipsis = 62634a126e51aaf22e32c7af808ec6b5a0c41ae3311Fabrice Di Meglio (((mMaximumVisibleLineCount == 1 && moreChars) || (firstLine && !moreChars)) && 627aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsize != TextUtils.TruncateAt.MARQUEE) || 628aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio (!firstLine && (currentLineIsTheLastVisibleOne || !moreChars) && 629aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsize == TextUtils.TruncateAt.END); 630aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio if (doEllipsis) { 631aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio calculateEllipsis(start, end, widths, widthStart, 632aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsisWidth, ellipsize, j, 633aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio textWidth, paint, forceEllipsis); 634aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio } 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineCount++; 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 641121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private void calculateEllipsis(int lineStart, int lineEnd, 642121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio float[] widths, int widthStart, 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float avail, TextUtils.TruncateAt where, 6448059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int line, float textWidth, TextPaint paint, 6458059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio boolean forceEllipsis) { 6468059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (textWidth <= avail && !forceEllipsis) { 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Everything fits! 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_START] = 0; 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_COUNT] = 0; 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 653cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio float ellipsisWidth = paint.measureText( 6548d44fff7e62f77c3b3072a96712cc1389e63ca64Fabrice Di Meglio (where == TextUtils.TruncateAt.END_SMALL) ? 655d29bdb266d54b4551f42776bb790e80147a279d0Neil Fuller TextUtils.ELLIPSIS_TWO_DOTS : TextUtils.ELLIPSIS_NORMAL, 0, 1); 6568059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int ellipsisStart = 0; 6578059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int ellipsisCount = 0; 658121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int len = lineEnd - lineStart; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6608059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio // We only support start ellipsis on a single line 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where == TextUtils.TruncateAt.START) { 6628059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (mMaximumVisibleLineCount == 1) { 6638059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float sum = 0; 6648059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int i; 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6668059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio for (i = len; i >= 0; i--) { 6678059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float w = widths[i - 1 + lineStart - widthStart]; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6698059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (w + sum + ellipsisWidth > avail) { 6708059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio break; 6718059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 6728059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio 6738059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio sum += w; 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6768059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisStart = 0; 6778059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisCount = i; 6788059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } else { 6798059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (Log.isLoggable(TAG, Log.WARN)) { 6808059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio Log.w(TAG, "Start Ellipsis only supported with one line"); 6818059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 683cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio } else if (where == TextUtils.TruncateAt.END || where == TextUtils.TruncateAt.MARQUEE || 684cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio where == TextUtils.TruncateAt.END_SMALL) { 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float sum = 0; 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < len; i++) { 689121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio float w = widths[i + lineStart - widthStart]; 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 691121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (w + sum + ellipsisWidth > avail) { 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sum += w; 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisStart = i; 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisCount = len - i; 700aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio if (forceEllipsis && ellipsisCount == 0 && len > 0) { 701aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsisStart = len - 1; 7028059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisCount = 1; 7038059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 7048059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } else { 7058059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio // where = TextUtils.TruncateAt.MIDDLE We only support middle ellipsis on a single line 7068059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (mMaximumVisibleLineCount == 1) { 7078059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float lsum = 0, rsum = 0; 7088059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int left = 0, right = len; 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7108059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float ravail = (avail - ellipsisWidth) / 2; 7110e3c5e827235911d33312e431975533f046421e7Raph Levien for (right = len; right > 0; right--) { 7128059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float w = widths[right - 1 + lineStart - widthStart]; 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7148059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (w + rsum > ravail) { 7158059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio break; 7168059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 7178059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio 7188059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio rsum += w; 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7218059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float lavail = avail - ellipsisWidth - rsum; 7228059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio for (left = 0; left < right; left++) { 7238059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float w = widths[left + lineStart - widthStart]; 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7258059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (w + lsum > lavail) { 7268059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio break; 7278059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7298059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio lsum += w; 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7328059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisStart = left; 7338059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisCount = right - left; 7348059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } else { 7358059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (Log.isLoggable(TAG, Log.WARN)) { 7368059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio Log.w(TAG, "Middle Ellipsis only supported with one line"); 7378059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_START] = ellipsisStart; 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_COUNT] = ellipsisCount; 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 745e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // Override the base class so we can directly access our members, 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // rather than relying on member functions. 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The logic mirrors that of Layout.getLineForVertical 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME: It may be faster to do a linear search for layouts without many lines. 7496611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineForVertical(int vertical) { 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int high = mLineCount; 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int low = -1; 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int guess; 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] lines = mLines; 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (high - low > 1) { 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project guess = (high + low) >> 1; 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lines[mColumns * guess + TOP] > vertical){ 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project high = guess; 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project low = guess; 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (low < 0) { 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return low; 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7706611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineCount() { 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLineCount; 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7756611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineTop(int line) { 7770a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne int top = mLines[mColumns * line + TOP]; 7780a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne if (mMaximumVisibleLineCount > 0 && line >= mMaximumVisibleLineCount && 7790a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne line != mLineCount) { 7800a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne top += getBottomPadding(); 7810a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne } 7820a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne return top; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7856611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineDescent(int line) { 7870a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne int descent = mLines[mColumns * line + DESCENT]; 788f3fa0cdbaea109b114f7facbb5d42de3fc12bbc8Gilles Debunne if (mMaximumVisibleLineCount > 0 && line >= mMaximumVisibleLineCount - 1 && // -1 intended 7890a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne line != mLineCount) { 7900a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne descent += getBottomPadding(); 7910a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne } 7920a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne return descent; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7956611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineStart(int line) { 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + START] & START_MASK; 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8006611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getParagraphDirection(int line) { 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + DIR] >> DIR_SHIFT; 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8056611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getLineContainsTab(int line) { 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mLines[mColumns * line + TAB] & TAB_MASK) != 0; 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8106611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Directions getLineDirections(int line) { 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLineDirections[line]; 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8156611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTopPadding() { 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTopPadding; 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8206611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getBottomPadding() { 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mBottomPadding; 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsisCount(int line) { 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColumns < COLUMNS_ELLIPSIZE) { 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + ELLIPSIS_COUNT]; 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsisStart(int line) { 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColumns < COLUMNS_ELLIPSIZE) { 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + ELLIPSIS_START]; 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsizedWidth() { 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mEllipsizedWidth; 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 848e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy void prepare() { 849e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy mMeasured = MeasuredText.obtain(); 850e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy } 85126c87cfb584d4533c9b47f7cbf75f6921c52b928Raph Levien 852e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy void finish() { 853e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy mMeasured = MeasuredText.recycle(mMeasured); 854e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy } 8550a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne 85688b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye // returns an array with terminal sentinel value -1 to indicate end 85788b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye // this is so that arrays can be recycled instead of allocating new arrays 85888b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye // every time 85988b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye private static native int[] nLineBreakOpportunities(String locale, char[] text, int length, int[] recycle); 86088b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLineCount; 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mTopPadding, mBottomPadding; 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mColumns; 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mEllipsizedWidth; 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int COLUMNS_NORMAL = 3; 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int COLUMNS_ELLIPSIZE = 5; 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START = 0; 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR = START; 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TAB = START; 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOP = 1; 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DESCENT = 2; 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ELLIPSIS_START = 3; 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ELLIPSIS_COUNT = 4; 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mLines; 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Directions[] mLineDirections; 8788059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio private int mMaximumVisibleLineCount = Integer.MAX_VALUE; 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START_MASK = 0x1FFFFFFF; 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR_SHIFT = 30; 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TAB_MASK = 0x20000000; 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 884c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt private static final int TAB_INCREMENT = 20; // same as Layout, but that's private 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 886121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final char CHAR_NEW_LINE = '\n'; 887121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final char CHAR_TAB = '\t'; 888121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final char CHAR_SPACE = ' '; 8898d087c349f0a3b7946a95869562f020892d47a86Raph Levien private static final char CHAR_ZWSP = '\u200B'; 890121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio 891121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final double EXTRA_ROUNDING = 0.5; 892cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio 893121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final int CHAR_FIRST_HIGH_SURROGATE = 0xD800; 894121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final int CHAR_LAST_LOW_SURROGATE = 0xDFFF; 895121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 897e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * This is reused across calls to generate() 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 899e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private MeasuredText mMeasured; 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Paint.FontMetricsInt mFontMetricsInt = new Paint.FontMetricsInt(); 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 902