StaticLayout.java revision 396879f3f88e6384588c421c7e57ceef932aad59
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 419d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne v = out(source, here, endPos, 420d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne above, below, top, bottom, 421d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne v, spacingmult, spacingadd, chooseHt,chooseHtv, fm, hasTabOrEmoji, 422d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne needMultiply, chdirs, dir, easy, bufEnd, includepad, trackpad, 423d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne chs, widths, paraStart, ellipsize, ellipsizedWidth, 424396879f3f88e6384588c421c7e57ceef932aad59Raph Levien currentTextWidth, paint, true); 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 426cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne here = endPos; 427cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne j = here - 1; // restart j-span loop from here, compensating for the j++ 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = fit = here; 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = 0; 43026c87cfb584d4533c9b47f7cbf75f6921c52b928Raph Levien fitWidthGraphing = w; 431121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitAscent = fitDescent = fitTop = fitBottom = 0; 432121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio okAscent = okDescent = okTop = okBottom = 0; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 434c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (--firstWidthLineLimit <= 0) { 435121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio width = restWidth; 4367b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner } 437cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne 438cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne if (here < spanStart) { 439cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne // The text was cut before the beginning of the current span range. 440cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne // Exit the span loop, and get spanStart to start over from here. 441cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne measured.setPos(here); 442cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne spanEnd = here; 443cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne break; 444cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne } 44581541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne 44681541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne if (mLineCount >= mMaximumVisibleLineCount) { 44763b3d8c62ef24121f40b2262e89b3f37527beab3Raph Levien return; 44881541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne } 4498059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 453ad0b051b133baf92f199c96a8ac1e81b3393190cFabrice Di Meglio if (paraEnd != here && mLineCount < mMaximumVisibleLineCount) { 454121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if ((fitTop | fitBottom | fitDescent | fitAscent) == 0) { 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getFontMetricsInt(fm); 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 457121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitTop = fm.top; 458121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitBottom = fm.bottom; 459121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitAscent = fm.ascent; 460121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitDescent = fm.descent; 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Log.e("text", "output rest " + here + " to " + end); 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 466121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio here, paraEnd, fitAscent, fitDescent, 467121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio fitTop, fitBottom, 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 469121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio spacingmult, spacingadd, chooseHt, 470121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHtv, fm, hasTabOrEmoji, 471d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne needMultiply, chdirs, dir, easy, bufEnd, 472d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne includepad, trackpad, chs, 473d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne widths, paraStart, ellipsize, 474d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne ellipsizedWidth, w, paint, paraEnd != bufEnd); 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 477e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraStart = paraEnd; 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (paraEnd == bufEnd) 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4838059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if ((bufEnd == bufStart || source.charAt(bufEnd - 1) == CHAR_NEW_LINE) && 484ad0b051b133baf92f199c96a8ac1e81b3393190cFabrice Di Meglio mLineCount < mMaximumVisibleLineCount) { 485121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio // Log.e("text", "output last " + bufEnd); 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 487e631889e1ae7edc6a2fae495ba504f85820b6a4bFabrice Di Meglio measured.setPara(source, bufStart, bufEnd, textDir); 488e631889e1ae7edc6a2fae495ba504f85820b6a4bFabrice Di Meglio 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getFontMetricsInt(fm); 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 492121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio bufEnd, bufEnd, fm.ascent, fm.descent, 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top, fm.bottom, 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, null, 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project null, fm, false, 497e631889e1ae7edc6a2fae495ba504f85820b6a4bFabrice Di Meglio needMultiply, measured.mLevels, measured.mDir, measured.mEasy, bufEnd, 498d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne includepad, trackpad, null, 499d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne null, bufStart, ellipsize, 500d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne ellipsizedWidth, 0, paint, false); 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int out(CharSequence text, int start, int end, 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int above, int below, int top, int bottom, int v, 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 507121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio LineHeightSpan[] chooseHt, int[] chooseHtv, 508c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt Paint.FontMetricsInt fm, boolean hasTabOrEmoji, 509d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne boolean needMultiply, byte[] chdirs, int dir, 510d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne boolean easy, int bufEnd, boolean includePad, 511d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne boolean trackPad, char[] chs, 512d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne float[] widths, int widthStart, TextUtils.TruncateAt ellipsize, 513d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne float ellipsisWidth, float textWidth, 514d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne TextPaint paint, boolean moreChars) { 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int j = mLineCount; 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int off = j * mColumns; 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int want = off + mColumns + TOP; 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] lines = mLines; 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (want >= lines.length) { 521776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski Directions[] grow2 = ArrayUtils.newUnpaddedArray( 522776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski Directions.class, GrowingArrayUtils.growSize(want)); 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mLineDirections, 0, grow2, 0, 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections.length); 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections = grow2; 526776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski 527776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski int[] grow = new int[grow2.length]; 528776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski System.arraycopy(lines, 0, grow, 0, lines.length); 529776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski mLines = grow; 530776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski lines = grow; 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 533121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (chooseHt != null) { 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.ascent = above; 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.descent = below; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top = top; 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.bottom = bottom; 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio for (int i = 0; i < chooseHt.length; i++) { 540121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (chooseHt[i] instanceof LineHeightSpan.WithDensity) { 541121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio ((LineHeightSpan.WithDensity) chooseHt[i]). 542121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHeight(text, start, end, chooseHtv[i], v, fm, paint); 543a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer 544a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer } else { 545121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHt[i].chooseHeight(text, start, end, chooseHtv[i], v, fm); 546a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer } 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project above = fm.ascent; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project below = fm.descent; 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top = fm.top; 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottom = fm.bottom; 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 555d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien boolean firstLine = (j == 0); 556d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien boolean currentLineIsTheLastVisibleOne = (j + 1 == mMaximumVisibleLineCount); 557d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien boolean lastLine = currentLineIsTheLastVisibleOne || (end == bufEnd); 558d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien 559d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien if (firstLine) { 560121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (trackPad) { 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTopPadding = top - above; 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 564121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (includePad) { 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project above = top; 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 568d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien 569d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien int extra; 570d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien 571d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien if (lastLine) { 572121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (trackPad) { 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBottomPadding = bottom - below; 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 576121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (includePad) { 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project below = bottom; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 582d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien if (needMultiply && !lastLine) { 5831065758a0f8966a8597a61492112f7859a7050a4Doug Felt double ex = (below - above) * (spacingmult - 1) + spacingadd; 5841065758a0f8966a8597a61492112f7859a7050a4Doug Felt if (ex >= 0) { 585121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio extra = (int)(ex + EXTRA_ROUNDING); 5861065758a0f8966a8597a61492112f7859a7050a4Doug Felt } else { 587121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio extra = -(int)(-ex + EXTRA_ROUNDING); 5881065758a0f8966a8597a61492112f7859a7050a4Doug Felt } 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extra = 0; 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + START] = start; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + TOP] = v; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + DESCENT] = below + extra; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v += (below - above) + extra; 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + mColumns + START] = end; 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + mColumns + TOP] = v; 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 601c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (hasTabOrEmoji) 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + TAB] |= TAB_MASK; 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6049f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt lines[off + DIR] |= dir << DIR_SHIFT; 6059f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt Directions linedirs = DIRS_ALL_LEFT_TO_RIGHT; 6069f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt // easy means all chars < the first RTL, so no emoji, no nothing 6074e0c5e55e171532760d5f51e0165563827129d4eDoug Felt // XXX a run with no text or all spaces is easy but might be an empty 6089f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt // RTL paragraph. Make sure easy is false if this is the case. 6099f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt if (easy) { 6109f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt mLineDirections[j] = linedirs; 6119f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt } else { 612f3fa0cdbaea109b114f7facbb5d42de3fc12bbc8Gilles Debunne mLineDirections[j] = AndroidBidi.directions(dir, chdirs, start - widthStart, chs, 613f3fa0cdbaea109b114f7facbb5d42de3fc12bbc8Gilles Debunne start - widthStart, end - start); 6140a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne } 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 616aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio if (ellipsize != null) { 617aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio // If there is only one line, then do any type of ellipsis except when it is MARQUEE 618aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio // if there are multiple lines, just allow END ellipsis on the last line 6198059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio boolean forceEllipsis = moreChars && (mLineCount + 1 == mMaximumVisibleLineCount); 620aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio 62134a126e51aaf22e32c7af808ec6b5a0c41ae3311Fabrice Di Meglio boolean doEllipsis = 62234a126e51aaf22e32c7af808ec6b5a0c41ae3311Fabrice Di Meglio (((mMaximumVisibleLineCount == 1 && moreChars) || (firstLine && !moreChars)) && 623aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsize != TextUtils.TruncateAt.MARQUEE) || 624aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio (!firstLine && (currentLineIsTheLastVisibleOne || !moreChars) && 625aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsize == TextUtils.TruncateAt.END); 626aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio if (doEllipsis) { 627aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio calculateEllipsis(start, end, widths, widthStart, 628aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsisWidth, ellipsize, j, 629aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio textWidth, paint, forceEllipsis); 630aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio } 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineCount++; 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 637121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private void calculateEllipsis(int lineStart, int lineEnd, 638121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio float[] widths, int widthStart, 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float avail, TextUtils.TruncateAt where, 6408059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int line, float textWidth, TextPaint paint, 6418059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio boolean forceEllipsis) { 6428059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (textWidth <= avail && !forceEllipsis) { 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Everything fits! 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_START] = 0; 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_COUNT] = 0; 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 649cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio float ellipsisWidth = paint.measureText( 6508d44fff7e62f77c3b3072a96712cc1389e63ca64Fabrice Di Meglio (where == TextUtils.TruncateAt.END_SMALL) ? 6518d44fff7e62f77c3b3072a96712cc1389e63ca64Fabrice Di Meglio ELLIPSIS_TWO_DOTS : ELLIPSIS_NORMAL, 0, 1); 6528059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int ellipsisStart = 0; 6538059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int ellipsisCount = 0; 654121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int len = lineEnd - lineStart; 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6568059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio // We only support start ellipsis on a single line 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where == TextUtils.TruncateAt.START) { 6588059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (mMaximumVisibleLineCount == 1) { 6598059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float sum = 0; 6608059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int i; 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6628059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio for (i = len; i >= 0; i--) { 6638059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float w = widths[i - 1 + lineStart - widthStart]; 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6658059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (w + sum + ellipsisWidth > avail) { 6668059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio break; 6678059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 6688059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio 6698059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio sum += w; 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6728059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisStart = 0; 6738059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisCount = i; 6748059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } else { 6758059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (Log.isLoggable(TAG, Log.WARN)) { 6768059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio Log.w(TAG, "Start Ellipsis only supported with one line"); 6778059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 679cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio } else if (where == TextUtils.TruncateAt.END || where == TextUtils.TruncateAt.MARQUEE || 680cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio where == TextUtils.TruncateAt.END_SMALL) { 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float sum = 0; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < len; i++) { 685121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio float w = widths[i + lineStart - widthStart]; 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 687121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (w + sum + ellipsisWidth > avail) { 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sum += w; 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisStart = i; 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisCount = len - i; 696aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio if (forceEllipsis && ellipsisCount == 0 && len > 0) { 697aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsisStart = len - 1; 6988059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisCount = 1; 6998059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 7008059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } else { 7018059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio // where = TextUtils.TruncateAt.MIDDLE We only support middle ellipsis on a single line 7028059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (mMaximumVisibleLineCount == 1) { 7038059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float lsum = 0, rsum = 0; 7048059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int left = 0, right = len; 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7068059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float ravail = (avail - ellipsisWidth) / 2; 7078059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio for (right = len; right >= 0; right--) { 7088059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float w = widths[right - 1 + lineStart - widthStart]; 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7108059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (w + rsum > ravail) { 7118059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio break; 7128059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 7138059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio 7148059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio rsum += w; 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7178059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float lavail = avail - ellipsisWidth - rsum; 7188059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio for (left = 0; left < right; left++) { 7198059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float w = widths[left + lineStart - widthStart]; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7218059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (w + lsum > lavail) { 7228059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio break; 7238059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7258059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio lsum += w; 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7288059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisStart = left; 7298059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisCount = right - left; 7308059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } else { 7318059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (Log.isLoggable(TAG, Log.WARN)) { 7328059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio Log.w(TAG, "Middle Ellipsis only supported with one line"); 7338059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_START] = ellipsisStart; 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_COUNT] = ellipsisCount; 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 741e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // Override the base class so we can directly access our members, 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // rather than relying on member functions. 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The logic mirrors that of Layout.getLineForVertical 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME: It may be faster to do a linear search for layouts without many lines. 7456611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineForVertical(int vertical) { 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int high = mLineCount; 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int low = -1; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int guess; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] lines = mLines; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (high - low > 1) { 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project guess = (high + low) >> 1; 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lines[mColumns * guess + TOP] > vertical){ 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project high = guess; 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project low = guess; 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (low < 0) { 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return low; 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7666611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineCount() { 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLineCount; 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7716611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineTop(int line) { 7730a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne int top = mLines[mColumns * line + TOP]; 7740a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne if (mMaximumVisibleLineCount > 0 && line >= mMaximumVisibleLineCount && 7750a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne line != mLineCount) { 7760a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne top += getBottomPadding(); 7770a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne } 7780a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne return top; 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7816611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineDescent(int line) { 7830a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne int descent = mLines[mColumns * line + DESCENT]; 784f3fa0cdbaea109b114f7facbb5d42de3fc12bbc8Gilles Debunne if (mMaximumVisibleLineCount > 0 && line >= mMaximumVisibleLineCount - 1 && // -1 intended 7850a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne line != mLineCount) { 7860a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne descent += getBottomPadding(); 7870a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne } 7880a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne return descent; 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7916611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineStart(int line) { 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + START] & START_MASK; 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7966611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getParagraphDirection(int line) { 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + DIR] >> DIR_SHIFT; 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8016611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getLineContainsTab(int line) { 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mLines[mColumns * line + TAB] & TAB_MASK) != 0; 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8066611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Directions getLineDirections(int line) { 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLineDirections[line]; 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8116611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTopPadding() { 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTopPadding; 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8166611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getBottomPadding() { 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mBottomPadding; 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsisCount(int line) { 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColumns < COLUMNS_ELLIPSIZE) { 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + ELLIPSIS_COUNT]; 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsisStart(int line) { 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColumns < COLUMNS_ELLIPSIZE) { 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + ELLIPSIS_START]; 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsizedWidth() { 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mEllipsizedWidth; 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 844e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy void prepare() { 845e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy mMeasured = MeasuredText.obtain(); 846e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy } 84726c87cfb584d4533c9b47f7cbf75f6921c52b928Raph Levien 848e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy void finish() { 849e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy mMeasured = MeasuredText.recycle(mMeasured); 850e5ea4403ce58982522554b7ff23f41e6551923c1Romain Guy } 8510a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne 85288b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye // returns an array with terminal sentinel value -1 to indicate end 85388b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye // this is so that arrays can be recycled instead of allocating new arrays 85488b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye // every time 85588b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye private static native int[] nLineBreakOpportunities(String locale, char[] text, int length, int[] recycle); 85688b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLineCount; 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mTopPadding, mBottomPadding; 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mColumns; 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mEllipsizedWidth; 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int COLUMNS_NORMAL = 3; 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int COLUMNS_ELLIPSIZE = 5; 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START = 0; 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR = START; 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TAB = START; 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOP = 1; 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DESCENT = 2; 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ELLIPSIS_START = 3; 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ELLIPSIS_COUNT = 4; 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mLines; 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Directions[] mLineDirections; 8748059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio private int mMaximumVisibleLineCount = Integer.MAX_VALUE; 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START_MASK = 0x1FFFFFFF; 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR_SHIFT = 30; 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TAB_MASK = 0x20000000; 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 880c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt private static final int TAB_INCREMENT = 20; // same as Layout, but that's private 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 882121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final char CHAR_NEW_LINE = '\n'; 883121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final char CHAR_TAB = '\t'; 884121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final char CHAR_SPACE = ' '; 8858d087c349f0a3b7946a95869562f020892d47a86Raph Levien private static final char CHAR_ZWSP = '\u200B'; 886121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio 887121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final double EXTRA_ROUNDING = 0.5; 888cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio 889121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final int CHAR_FIRST_HIGH_SURROGATE = 0xD800; 890121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final int CHAR_LAST_LOW_SURROGATE = 0xDFFF; 891121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 893e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * This is reused across calls to generate() 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 895e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private MeasuredText mMeasured; 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Paint.FontMetricsInt mFontMetricsInt = new Paint.FontMetricsInt(); 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 898