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 19531c30c62b14881aab31a5133920a971b1fbb50eRaph Levienimport android.annotation.Nullable; 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; 2739b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levienimport android.util.Pools.SynchronizedPool; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29cb379120456d8065d742021fc5c66748fc8a11a8Doug Feltimport com.android.internal.util.ArrayUtils; 30776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinskiimport com.android.internal.util.GrowingArrayUtils; 31cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt 32091dba2de1e5fa7d4db9f8ccbf1f86e5825d0f52Raph Levienimport java.nio.ByteBuffer; 33c8f9e6218681640d5f384c12edf06619be56a583Anish Athalyeimport java.util.Arrays; 344c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levienimport java.util.Locale; 35c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * StaticLayout is a Layout for text that will not be edited after it 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is laid out. Use {@link DynamicLayout} for text that may change. 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>This is used by widgets to control text layout. You should not need 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to use this class directly unless you are implementing your own widget 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or custom display object, or would be tempted to call 424e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * {@link android.graphics.Canvas#drawText(java.lang.CharSequence, int, int, 434e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * float, float, android.graphics.Paint) 444e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * Canvas.drawText()} directly.</p> 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 46121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Megliopublic class StaticLayout extends Layout { 47121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio 488059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio static final String TAG = "StaticLayout"; 498059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio 50d3ab692d28018825578ff05832644cfad60233fbRaph Levien /** 51531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Builder for static layouts. The builder is a newer pattern for constructing 52531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * StaticLayout objects and should be preferred over the constructors, 53531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * particularly to access newer features. To build a static layout, first 54531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * call {@link #obtain} with the required arguments (text, paint, and width), 55531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * then call setters for optional parameters, and finally {@link #build} 56531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * to build the StaticLayout object. Parameters not explicitly set will get 57531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * default values. 58d3ab692d28018825578ff05832644cfad60233fbRaph Levien */ 59d3ab692d28018825578ff05832644cfad60233fbRaph Levien public final static class Builder { 604c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien private Builder() { 614c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien mNativePtr = nNewBuilder(); 624c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien } 634c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien 64531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien /** 65531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Obtain a builder for constructing StaticLayout objects 66531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 67531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param source The text to be laid out, optionally with spans 68531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param start The index of the start of the text 69531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param end The index + 1 of the end of the text 70531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param paint The base paint used for layout 71531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param width The width in pixels 72531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @return a builder object used for constructing the StaticLayout 73531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien */ 74ebd66ca600dc2c43edb0830bcf1a92fafec30a5aRaph Levien public static Builder obtain(CharSequence source, int start, int end, TextPaint paint, 75ebd66ca600dc2c43edb0830bcf1a92fafec30a5aRaph Levien int width) { 7639b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien Builder b = sPool.acquire(); 77d3ab692d28018825578ff05832644cfad60233fbRaph Levien if (b == null) { 78d3ab692d28018825578ff05832644cfad60233fbRaph Levien b = new Builder(); 79d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 80d3ab692d28018825578ff05832644cfad60233fbRaph Levien 81d3ab692d28018825578ff05832644cfad60233fbRaph Levien // set default initial values 8239b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien b.mText = source; 8339b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien b.mStart = start; 8439b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien b.mEnd = end; 85ebd66ca600dc2c43edb0830bcf1a92fafec30a5aRaph Levien b.mPaint = paint; 8639b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien b.mWidth = width; 8739b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien b.mAlignment = Alignment.ALIGN_NORMAL; 88d3ab692d28018825578ff05832644cfad60233fbRaph Levien b.mTextDir = TextDirectionHeuristics.FIRSTSTRONG_LTR; 89d3ab692d28018825578ff05832644cfad60233fbRaph Levien b.mSpacingMult = 1.0f; 90d3ab692d28018825578ff05832644cfad60233fbRaph Levien b.mSpacingAdd = 0.0f; 91d3ab692d28018825578ff05832644cfad60233fbRaph Levien b.mIncludePad = true; 9239b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien b.mEllipsizedWidth = width; 93d3ab692d28018825578ff05832644cfad60233fbRaph Levien b.mEllipsize = null; 94d3ab692d28018825578ff05832644cfad60233fbRaph Levien b.mMaxLines = Integer.MAX_VALUE; 953bd60c7b1125ee42cd7e8746aeaebdb43e8211d8Raph Levien b.mBreakStrategy = Layout.BREAK_STRATEGY_SIMPLE; 9695c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader b.mHyphenationFrequency = Layout.HYPHENATION_FREQUENCY_NONE; 97d3ab692d28018825578ff05832644cfad60233fbRaph Levien 98d3ab692d28018825578ff05832644cfad60233fbRaph Levien b.mMeasuredText = MeasuredText.obtain(); 99d3ab692d28018825578ff05832644cfad60233fbRaph Levien return b; 100d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 101d3ab692d28018825578ff05832644cfad60233fbRaph Levien 10239b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien private static void recycle(Builder b) { 103d3ab692d28018825578ff05832644cfad60233fbRaph Levien b.mPaint = null; 104d3ab692d28018825578ff05832644cfad60233fbRaph Levien b.mText = null; 105d3ab692d28018825578ff05832644cfad60233fbRaph Levien MeasuredText.recycle(b.mMeasuredText); 1063bd60c7b1125ee42cd7e8746aeaebdb43e8211d8Raph Levien b.mMeasuredText = null; 1072ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien b.mLeftIndents = null; 1082ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien b.mRightIndents = null; 1093bd60c7b1125ee42cd7e8746aeaebdb43e8211d8Raph Levien nFinishBuilder(b.mNativePtr); 11039b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien sPool.release(b); 111d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 112d3ab692d28018825578ff05832644cfad60233fbRaph Levien 113d3ab692d28018825578ff05832644cfad60233fbRaph Levien // release any expensive state 114d3ab692d28018825578ff05832644cfad60233fbRaph Levien /* package */ void finish() { 1154c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien nFinishBuilder(mNativePtr); 11622ba7869f6e211f5a692235f52687a6acdd71afcRaph Levien mText = null; 11722ba7869f6e211f5a692235f52687a6acdd71afcRaph Levien mPaint = null; 11822ba7869f6e211f5a692235f52687a6acdd71afcRaph Levien mLeftIndents = null; 11922ba7869f6e211f5a692235f52687a6acdd71afcRaph Levien mRightIndents = null; 120d3ab692d28018825578ff05832644cfad60233fbRaph Levien mMeasuredText.finish(); 121d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 122d3ab692d28018825578ff05832644cfad60233fbRaph Levien 123d3ab692d28018825578ff05832644cfad60233fbRaph Levien public Builder setText(CharSequence source) { 124d3ab692d28018825578ff05832644cfad60233fbRaph Levien return setText(source, 0, source.length()); 125d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 126d3ab692d28018825578ff05832644cfad60233fbRaph Levien 127531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien /** 128531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Set the text. Only useful when re-using the builder, which is done for 129531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * the internal implementation of {@link DynamicLayout} but not as part 130531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * of normal {@link StaticLayout} usage. 131531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 132531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param source The text to be laid out, optionally with spans 133531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param start The index of the start of the text 134531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param end The index + 1 of the end of the text 135531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @return this builder, useful for chaining 136531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 137531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @hide 138531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien */ 139d3ab692d28018825578ff05832644cfad60233fbRaph Levien public Builder setText(CharSequence source, int start, int end) { 140d3ab692d28018825578ff05832644cfad60233fbRaph Levien mText = source; 141d3ab692d28018825578ff05832644cfad60233fbRaph Levien mStart = start; 142d3ab692d28018825578ff05832644cfad60233fbRaph Levien mEnd = end; 143d3ab692d28018825578ff05832644cfad60233fbRaph Levien return this; 144d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 145d3ab692d28018825578ff05832644cfad60233fbRaph Levien 146531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien /** 147531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Set the paint. Internal for reuse cases only. 148531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 149531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param paint The base paint used for layout 150531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @return this builder, useful for chaining 151531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 152531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @hide 153531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien */ 154d3ab692d28018825578ff05832644cfad60233fbRaph Levien public Builder setPaint(TextPaint paint) { 155d3ab692d28018825578ff05832644cfad60233fbRaph Levien mPaint = paint; 156d3ab692d28018825578ff05832644cfad60233fbRaph Levien return this; 157d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 158d3ab692d28018825578ff05832644cfad60233fbRaph Levien 159531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien /** 160531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Set the width. Internal for reuse cases only. 161531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 162531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param width The width in pixels 163531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @return this builder, useful for chaining 164531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 165531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @hide 166531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien */ 167d3ab692d28018825578ff05832644cfad60233fbRaph Levien public Builder setWidth(int width) { 168d3ab692d28018825578ff05832644cfad60233fbRaph Levien mWidth = width; 169d3ab692d28018825578ff05832644cfad60233fbRaph Levien if (mEllipsize == null) { 170d3ab692d28018825578ff05832644cfad60233fbRaph Levien mEllipsizedWidth = width; 171d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 172d3ab692d28018825578ff05832644cfad60233fbRaph Levien return this; 173d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 174d3ab692d28018825578ff05832644cfad60233fbRaph Levien 175531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien /** 176531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Set the alignment. The default is {@link Layout.Alignment#ALIGN_NORMAL}. 177531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 178531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param alignment Alignment for the resulting {@link StaticLayout} 179531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @return this builder, useful for chaining 180531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien */ 18139b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien public Builder setAlignment(Alignment alignment) { 18239b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien mAlignment = alignment; 18339b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien return this; 18439b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien } 18539b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien 186531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien /** 187531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Set the text direction heuristic. The text direction heuristic is used to 188531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * resolve text direction based per-paragraph based on the input text. The default is 189531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * {@link TextDirectionHeuristics#FIRSTSTRONG_LTR}. 190531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 191531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param textDir text direction heuristic for resolving BiDi behavior. 192531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @return this builder, useful for chaining 193531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien */ 194a6a082862b9e2ea4c9e9a1a945927c4040993f6eRaph Levien public Builder setTextDirection(TextDirectionHeuristic textDir) { 195d3ab692d28018825578ff05832644cfad60233fbRaph Levien mTextDir = textDir; 196d3ab692d28018825578ff05832644cfad60233fbRaph Levien return this; 197d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 198d3ab692d28018825578ff05832644cfad60233fbRaph Levien 199531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien /** 200531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Set line spacing parameters. The default is 0.0 for {@code spacingAdd} 201531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * and 1.0 for {@code spacingMult}. 202531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 203531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param spacingAdd line spacing add 204531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param spacingMult line spacing multiplier 205531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @return this builder, useful for chaining 206531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @see android.widget.TextView#setLineSpacing 207531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien */ 208531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien public Builder setLineSpacing(float spacingAdd, float spacingMult) { 209d3ab692d28018825578ff05832644cfad60233fbRaph Levien mSpacingAdd = spacingAdd; 210531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien mSpacingMult = spacingMult; 211d3ab692d28018825578ff05832644cfad60233fbRaph Levien return this; 212d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 213d3ab692d28018825578ff05832644cfad60233fbRaph Levien 214531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien /** 215531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Set whether to include extra space beyond font ascent and descent (which is 216531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * needed to avoid clipping in some languages, such as Arabic and Kannada). The 217531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * default is {@code true}. 218531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 219531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param includePad whether to include padding 220531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @return this builder, useful for chaining 221531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @see android.widget.TextView#setIncludeFontPadding 222531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien */ 223d3ab692d28018825578ff05832644cfad60233fbRaph Levien public Builder setIncludePad(boolean includePad) { 224d3ab692d28018825578ff05832644cfad60233fbRaph Levien mIncludePad = includePad; 225d3ab692d28018825578ff05832644cfad60233fbRaph Levien return this; 226d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 227d3ab692d28018825578ff05832644cfad60233fbRaph Levien 228531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien /** 229531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Set the width as used for ellipsizing purposes, if it differs from the 230531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * normal layout width. The default is the {@code width} 231531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * passed to {@link #obtain}. 232531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 233531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param ellipsizedWidth width used for ellipsizing, in pixels 234531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @return this builder, useful for chaining 235531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @see android.widget.TextView#setEllipsize 236531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien */ 237d3ab692d28018825578ff05832644cfad60233fbRaph Levien public Builder setEllipsizedWidth(int ellipsizedWidth) { 238d3ab692d28018825578ff05832644cfad60233fbRaph Levien mEllipsizedWidth = ellipsizedWidth; 239d3ab692d28018825578ff05832644cfad60233fbRaph Levien return this; 240d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 241d3ab692d28018825578ff05832644cfad60233fbRaph Levien 242531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien /** 243531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Set ellipsizing on the layout. Causes words that are longer than the view 244531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * is wide, or exceeding the number of lines (see #setMaxLines) in the case 245531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * of {@link android.text.TextUtils.TruncateAt#END} or 246531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * {@link android.text.TextUtils.TruncateAt#MARQUEE}, to be ellipsized instead 247531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * of broken. The default is 248531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * {@code null}, indicating no ellipsis is to be applied. 249531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 250531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param ellipsize type of ellipsis behavior 251531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @return this builder, useful for chaining 252531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @see android.widget.TextView#setEllipsize 253531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien */ 254531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien public Builder setEllipsize(@Nullable TextUtils.TruncateAt ellipsize) { 255d3ab692d28018825578ff05832644cfad60233fbRaph Levien mEllipsize = ellipsize; 256d3ab692d28018825578ff05832644cfad60233fbRaph Levien return this; 257d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 258d3ab692d28018825578ff05832644cfad60233fbRaph Levien 259531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien /** 260531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Set maximum number of lines. This is particularly useful in the case of 261531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * ellipsizing, where it changes the layout of the last line. The default is 262531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * unlimited. 263531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 264531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param maxLines maximum number of lines in the layout 265531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @return this builder, useful for chaining 266531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @see android.widget.TextView#setMaxLines 267531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien */ 268d3ab692d28018825578ff05832644cfad60233fbRaph Levien public Builder setMaxLines(int maxLines) { 269d3ab692d28018825578ff05832644cfad60233fbRaph Levien mMaxLines = maxLines; 270d3ab692d28018825578ff05832644cfad60233fbRaph Levien return this; 271d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 272d3ab692d28018825578ff05832644cfad60233fbRaph Levien 273531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien /** 274531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Set break strategy, useful for selecting high quality or balanced paragraph 275531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * layout options. The default is {@link Layout#BREAK_STRATEGY_SIMPLE}. 276531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 277531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param breakStrategy break strategy for paragraph layout 278531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @return this builder, useful for chaining 279531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @see android.widget.TextView#setBreakStrategy 280531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien */ 28139b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien public Builder setBreakStrategy(@BreakStrategy int breakStrategy) { 28239b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien mBreakStrategy = breakStrategy; 28339b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien return this; 28439b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien } 28539b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien 286531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien /** 28795c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader * Set hyphenation frequency, to control the amount of automatic hyphenation used. The 28895c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader * default is {@link Layout#HYPHENATION_FREQUENCY_NONE}. 28995c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader * 29095c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader * @param hyphenationFrequency hyphenation frequency for the paragraph 29195c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader * @return this builder, useful for chaining 29295c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader * @see android.widget.TextView#setHyphenationFrequency 29395c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader */ 29495c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader public Builder setHyphenationFrequency(@HyphenationFrequency int hyphenationFrequency) { 29595c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader mHyphenationFrequency = hyphenationFrequency; 29695c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader return this; 29795c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader } 29895c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader 29995c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader /** 300531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Set indents. Arguments are arrays holding an indent amount, one per line, measured in 301531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * pixels. For lines past the last element in the array, the last element repeats. 302531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 303531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param leftIndents array of indent values for left margin, in pixels 304531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @param rightIndents array of indent values for right margin, in pixels 305531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @return this builder, useful for chaining 306531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien */ 307e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien public Builder setIndents(int[] leftIndents, int[] rightIndents) { 3082ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien mLeftIndents = leftIndents; 3092ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien mRightIndents = rightIndents; 310e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien int leftLen = leftIndents == null ? 0 : leftIndents.length; 311e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien int rightLen = rightIndents == null ? 0 : rightIndents.length; 312e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien int[] indents = new int[Math.max(leftLen, rightLen)]; 313e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien for (int i = 0; i < indents.length; i++) { 314e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien int leftMargin = i < leftLen ? leftIndents[i] : 0; 315e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien int rightMargin = i < rightLen ? rightIndents[i] : 0; 316e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien indents[i] = leftMargin + rightMargin; 317e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien } 318e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien nSetIndents(mNativePtr, indents); 319e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien return this; 320e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien } 321e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien 32270616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien /** 32370616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien * Measurement and break iteration is done in native code. The protocol for using 32470616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien * the native code is as follows. 32570616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien * 32626d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien * For each paragraph, do a nSetupParagraph, which sets paragraph text, line width, tab 32795c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader * stops, break strategy, and hyphenation frequency (and possibly other parameters in the 32895c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader * future). 329c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien * 330c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien * Then, for each run within the paragraph: 33170616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien * - setLocale (this must be done at least for the first run, optional afterwards) 33270616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien * - one of the following, depending on the type of run: 33370616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien * + addStyleRun (a text run, to be measured in native code) 33470616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien * + addMeasuredRun (a run already measured in Java, passed into native code) 33570616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien * + addReplacementRun (a replacement run, width is given) 33670616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien * 33770616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien * After measurement, nGetWidths() is valid if the widths are needed (eg for ellipsis). 33870616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien * Run nComputeLineBreaks() to obtain line breaks for the paragraph. 33970616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien * 34070616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien * After all paragraphs, call finish() to release expensive buffers. 34170616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien */ 34270616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien 34370616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien private void setLocale(Locale locale) { 3444c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien if (!locale.equals(mLocale)) { 345e7eac6f540b09892172edd5b584605ea90f5a1baRoozbeh Pournader nSetLocale(mNativePtr, locale.toLanguageTag(), 346e7eac6f540b09892172edd5b584605ea90f5a1baRoozbeh Pournader Hyphenator.get(locale).getNativePtr()); 3474c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien mLocale = locale; 3484c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien } 3494c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien } 3504c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien 35170616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien /* package */ float addStyleRun(TextPaint paint, int start, int end, boolean isRtl) { 35270616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien return nAddStyleRun(mNativePtr, paint.getNativeInstance(), paint.mNativeTypeface, 35370616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien start, end, isRtl); 35470616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien } 35570616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien 35670616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien /* package */ void addMeasuredRun(int start, int end, float[] widths) { 35770616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien nAddMeasuredRun(mNativePtr, start, end, widths); 35870616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien } 35970616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien 36070616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien /* package */ void addReplacementRun(int start, int end, float width) { 36170616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien nAddReplacementRun(mNativePtr, start, end, width); 36270616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien } 36370616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien 364531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien /** 365531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * Build the {@link StaticLayout} after options have been set. 366531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 367531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * <p>Note: the builder object must not be reused in any way after calling this 368531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * method. Setting parameters after calling this method, or calling it a second 369531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * time on the same builder object, will likely lead to unexpected results. 370531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * 371531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien * @return the newly constructed {@link StaticLayout} object 372531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien */ 373d3ab692d28018825578ff05832644cfad60233fbRaph Levien public StaticLayout build() { 37439b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien StaticLayout result = new StaticLayout(this); 37539b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien Builder.recycle(this); 376d3ab692d28018825578ff05832644cfad60233fbRaph Levien return result; 377d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 378d3ab692d28018825578ff05832644cfad60233fbRaph Levien 3794c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien @Override 3804c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien protected void finalize() throws Throwable { 3814c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien try { 3824c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien nFreeBuilder(mNativePtr); 3834c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien } finally { 3844c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien super.finalize(); 3854c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien } 3864c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien } 3874c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien 3884c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien /* package */ long mNativePtr; 3894c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien 390d3ab692d28018825578ff05832644cfad60233fbRaph Levien CharSequence mText; 391d3ab692d28018825578ff05832644cfad60233fbRaph Levien int mStart; 392d3ab692d28018825578ff05832644cfad60233fbRaph Levien int mEnd; 393d3ab692d28018825578ff05832644cfad60233fbRaph Levien TextPaint mPaint; 394d3ab692d28018825578ff05832644cfad60233fbRaph Levien int mWidth; 39539b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien Alignment mAlignment; 396d3ab692d28018825578ff05832644cfad60233fbRaph Levien TextDirectionHeuristic mTextDir; 397d3ab692d28018825578ff05832644cfad60233fbRaph Levien float mSpacingMult; 398d3ab692d28018825578ff05832644cfad60233fbRaph Levien float mSpacingAdd; 399d3ab692d28018825578ff05832644cfad60233fbRaph Levien boolean mIncludePad; 400d3ab692d28018825578ff05832644cfad60233fbRaph Levien int mEllipsizedWidth; 401d3ab692d28018825578ff05832644cfad60233fbRaph Levien TextUtils.TruncateAt mEllipsize; 402d3ab692d28018825578ff05832644cfad60233fbRaph Levien int mMaxLines; 40339b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien int mBreakStrategy; 40495c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader int mHyphenationFrequency; 4052ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien int[] mLeftIndents; 4062ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien int[] mRightIndents; 407d3ab692d28018825578ff05832644cfad60233fbRaph Levien 408d3ab692d28018825578ff05832644cfad60233fbRaph Levien Paint.FontMetricsInt mFontMetricsInt = new Paint.FontMetricsInt(); 409d3ab692d28018825578ff05832644cfad60233fbRaph Levien 410d3ab692d28018825578ff05832644cfad60233fbRaph Levien // This will go away and be subsumed by native builder code 411d3ab692d28018825578ff05832644cfad60233fbRaph Levien MeasuredText mMeasuredText; 412d3ab692d28018825578ff05832644cfad60233fbRaph Levien 4134c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien Locale mLocale; 4144c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien 41539b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien private static final SynchronizedPool<Builder> sPool = new SynchronizedPool<Builder>(3); 416d3ab692d28018825578ff05832644cfad60233fbRaph Levien } 417d3ab692d28018825578ff05832644cfad60233fbRaph Levien 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public StaticLayout(CharSequence source, TextPaint paint, 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int width, 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Alignment align, float spacingmult, float spacingadd, 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad) { 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(source, 0, source.length(), paint, width, align, 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, includepad); 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 426cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt /** 427cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt * @hide 428cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt */ 429cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt public StaticLayout(CharSequence source, TextPaint paint, 430cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt int width, Alignment align, TextDirectionHeuristic textDir, 431cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt float spacingmult, float spacingadd, 432cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt boolean includepad) { 433cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt this(source, 0, source.length(), paint, width, align, textDir, 434cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt spacingmult, spacingadd, includepad); 435cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt } 436cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public StaticLayout(CharSequence source, int bufstart, int bufend, 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextPaint paint, int outerwidth, 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Alignment align, 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad) { 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(source, bufstart, bufend, paint, outerwidth, align, 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, includepad, null, 0); 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 446cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt /** 447cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt * @hide 448cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt */ 449cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt public StaticLayout(CharSequence source, int bufstart, int bufend, 450cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt TextPaint paint, int outerwidth, 451cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt Alignment align, TextDirectionHeuristic textDir, 452cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt float spacingmult, float spacingadd, 453cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt boolean includepad) { 454cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt this(source, bufstart, bufend, paint, outerwidth, align, textDir, 4558059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio spacingmult, spacingadd, includepad, null, 0, Integer.MAX_VALUE); 456cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt} 457cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt 458cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt public StaticLayout(CharSequence source, int bufstart, int bufend, 459cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt TextPaint paint, int outerwidth, 460cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt Alignment align, 461cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt float spacingmult, float spacingadd, 462cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt boolean includepad, 463cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt TextUtils.TruncateAt ellipsize, int ellipsizedWidth) { 464cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt this(source, bufstart, bufend, paint, outerwidth, align, 465cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt TextDirectionHeuristics.FIRSTSTRONG_LTR, 4668059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio spacingmult, spacingadd, includepad, ellipsize, ellipsizedWidth, Integer.MAX_VALUE); 467cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt } 468cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt 469cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt /** 470cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt * @hide 471cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt */ 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public StaticLayout(CharSequence source, int bufstart, int bufend, 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextPaint paint, int outerwidth, 474cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt Alignment align, TextDirectionHeuristic textDir, 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean includepad, 4778059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio TextUtils.TruncateAt ellipsize, int ellipsizedWidth, int maxLines) { 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super((ellipsize == null) 4794e0c5e55e171532760d5f51e0165563827129d4eDoug Felt ? source 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : (source instanceof Spanned) 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ? new SpannedEllipsizer(source) 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : new Ellipsizer(source), 483cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt paint, outerwidth, align, textDir, spacingmult, spacingadd); 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 485ebd66ca600dc2c43edb0830bcf1a92fafec30a5aRaph Levien Builder b = Builder.obtain(source, bufstart, bufend, paint, outerwidth) 48639b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien .setAlignment(align) 487a6a082862b9e2ea4c9e9a1a945927c4040993f6eRaph Levien .setTextDirection(textDir) 488531c30c62b14881aab31a5133920a971b1fbb50eRaph Levien .setLineSpacing(spacingadd, spacingmult) 489d3ab692d28018825578ff05832644cfad60233fbRaph Levien .setIncludePad(includepad) 490d3ab692d28018825578ff05832644cfad60233fbRaph Levien .setEllipsizedWidth(ellipsizedWidth) 491d3ab692d28018825578ff05832644cfad60233fbRaph Levien .setEllipsize(ellipsize) 492d3ab692d28018825578ff05832644cfad60233fbRaph Levien .setMaxLines(maxLines); 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is annoying, but we can't refer to the layout until 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * superclass construction is finished, and the superclass 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constructor wants the reference to the display text. 4974e0c5e55e171532760d5f51e0165563827129d4eDoug Felt * 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This will break if the superclass constructor ever actually 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cares about the content instead of just holding the reference. 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ellipsize != null) { 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Ellipsizer e = (Ellipsizer) getText(); 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.mLayout = this; 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.mWidth = ellipsizedWidth; 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.mMethod = ellipsize; 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEllipsizedWidth = ellipsizedWidth; 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColumns = COLUMNS_ELLIPSIZE; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColumns = COLUMNS_NORMAL; 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEllipsizedWidth = outerwidth; 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 515776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski mLineDirections = ArrayUtils.newUnpaddedArray(Directions.class, 2 * mColumns); 516776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski mLines = new int[mLineDirections.length]; 5178059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio mMaximumVisibleLineCount = maxLines; 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51970616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien generate(b, b.mIncludePad, b.mIncludePad); 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 521d3ab692d28018825578ff05832644cfad60233fbRaph Levien Builder.recycle(b); 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5248059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio /* package */ StaticLayout(CharSequence text) { 5258059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio super(text, null, 0, null, 0, 0); 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColumns = COLUMNS_ELLIPSIZE; 528776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski mLineDirections = ArrayUtils.newUnpaddedArray(Directions.class, 2 * mColumns); 529776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski mLines = new int[mLineDirections.length]; 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53239b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien private StaticLayout(Builder b) { 53339b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien super((b.mEllipsize == null) 53439b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien ? b.mText 53539b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien : (b.mText instanceof Spanned) 53639b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien ? new SpannedEllipsizer(b.mText) 53739b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien : new Ellipsizer(b.mText), 53839b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien b.mPaint, b.mWidth, b.mAlignment, b.mSpacingMult, b.mSpacingAdd); 53939b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien 54039b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien if (b.mEllipsize != null) { 54139b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien Ellipsizer e = (Ellipsizer) getText(); 54239b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien 54339b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien e.mLayout = this; 54439b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien e.mWidth = b.mEllipsizedWidth; 54539b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien e.mMethod = b.mEllipsize; 54639b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien mEllipsizedWidth = b.mEllipsizedWidth; 54739b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien 54839b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien mColumns = COLUMNS_ELLIPSIZE; 54939b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien } else { 55039b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien mColumns = COLUMNS_NORMAL; 55139b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien mEllipsizedWidth = b.mWidth; 55239b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien } 55339b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien 55439b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien mLineDirections = ArrayUtils.newUnpaddedArray(Directions.class, 2 * mColumns); 55539b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien mLines = new int[mLineDirections.length]; 55639b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien mMaximumVisibleLineCount = b.mMaxLines; 55739b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien 5582ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien mLeftIndents = b.mLeftIndents; 5592ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien mRightIndents = b.mRightIndents; 5602ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien 56139b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien generate(b, b.mIncludePad, b.mIncludePad); 56239b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien } 56339b4db73c3340ff955f67e4e5318159d19d1ab3aRaph Levien 564d3ab692d28018825578ff05832644cfad60233fbRaph Levien /* package */ void generate(Builder b, boolean includepad, boolean trackpad) { 565d3ab692d28018825578ff05832644cfad60233fbRaph Levien CharSequence source = b.mText; 566d3ab692d28018825578ff05832644cfad60233fbRaph Levien int bufStart = b.mStart; 567d3ab692d28018825578ff05832644cfad60233fbRaph Levien int bufEnd = b.mEnd; 568d3ab692d28018825578ff05832644cfad60233fbRaph Levien TextPaint paint = b.mPaint; 569d3ab692d28018825578ff05832644cfad60233fbRaph Levien int outerWidth = b.mWidth; 570d3ab692d28018825578ff05832644cfad60233fbRaph Levien TextDirectionHeuristic textDir = b.mTextDir; 571d3ab692d28018825578ff05832644cfad60233fbRaph Levien float spacingmult = b.mSpacingMult; 572d3ab692d28018825578ff05832644cfad60233fbRaph Levien float spacingadd = b.mSpacingAdd; 573d3ab692d28018825578ff05832644cfad60233fbRaph Levien float ellipsizedWidth = b.mEllipsizedWidth; 574d3ab692d28018825578ff05832644cfad60233fbRaph Levien TextUtils.TruncateAt ellipsize = b.mEllipsize; 5754c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien LineBreaks lineBreaks = new LineBreaks(); // TODO: move to builder to avoid allocation costs 576c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // store span end locations 577c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye int[] spanEndCache = new int[4]; 578c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // store fontMetrics per span range 579c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // must be a multiple of 4 (and > 0) (store top, bottom, ascent, and descent per range) 580c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye int[] fmCache = new int[4 * 4]; 5814c1f12efcf24e404df40f19075eb95a148a9d6a1Raph Levien b.setLocale(paint.getTextLocale()); // TODO: also respect LocaleSpan within the text 58288b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineCount = 0; 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int v = 0; 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean needMultiply = (spacingmult != 1 || spacingadd != 0); 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 588d3ab692d28018825578ff05832644cfad60233fbRaph Levien Paint.FontMetricsInt fm = b.mFontMetricsInt; 589121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int[] chooseHtv = null; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 591d3ab692d28018825578ff05832644cfad60233fbRaph Levien MeasuredText measured = b.mMeasuredText; 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned spanned = null; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (source instanceof Spanned) 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spanned = (Spanned) source; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 597e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int paraEnd; 598121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio for (int paraStart = bufStart; paraStart <= bufEnd; paraStart = paraEnd) { 599121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio paraEnd = TextUtils.indexOf(source, CHAR_NEW_LINE, paraStart, bufEnd); 600e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (paraEnd < 0) 601121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio paraEnd = bufEnd; 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 603e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt paraEnd++; 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 605c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye int firstWidthLineCount = 1; 606121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int firstWidth = outerWidth; 607121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int restWidth = outerWidth; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio LineHeightSpan[] chooseHt = null; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanned != null) { 61274d31ef2b2c42b54fa1f7cf94ea955ea67ab69a0Eric Fischer LeadingMarginSpan[] sp = getParagraphSpans(spanned, paraStart, paraEnd, 613e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt LeadingMarginSpan.class); 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < sp.length; i++) { 6157b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner LeadingMarginSpan lms = sp[i]; 616121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio firstWidth -= sp[i].getLeadingMargin(true); 617121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio restWidth -= sp[i].getLeadingMargin(false); 618cb379120456d8065d742021fc5c66748fc8a11a8Doug Felt 619c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt // LeadingMarginSpan2 is odd. The count affects all 620ab08c6d38ab2e575f809ca8ce4c7f095e49d258cAnish Athalye // leading margin spans, not just this particular one 621c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt if (lms instanceof LeadingMarginSpan2) { 622c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt LeadingMarginSpan2 lms2 = (LeadingMarginSpan2) lms; 623c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye firstWidthLineCount = Math.max(firstWidthLineCount, 624c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye lms2.getLeadingMarginLineCount()); 6257b5676e4d40a09ccdbc8b6f691a3d8be23e480d3Mark Wagner } 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 628121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHt = getParagraphSpans(spanned, paraStart, paraEnd, LineHeightSpan.class); 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 630431e506b53e59b21a7d18bf46476b8c1528fabf1Roozbeh Pournader if (chooseHt.length == 0) { 631431e506b53e59b21a7d18bf46476b8c1528fabf1Roozbeh Pournader chooseHt = null; // So that out() would not assume it has any contents 632431e506b53e59b21a7d18bf46476b8c1528fabf1Roozbeh Pournader } else { 633121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (chooseHtv == null || 634121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHtv.length < chooseHt.length) { 635776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski chooseHtv = ArrayUtils.newUnpaddedIntArray(chooseHt.length); 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 638121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio for (int i = 0; i < chooseHt.length; i++) { 639121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int o = spanned.getSpanStart(chooseHt[i]); 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 641e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (o < paraStart) { 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // starts in this layout, before the 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // current paragraph 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 645121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHtv[i] = getLineTop(getLineForOffset(o)); 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // starts in this paragraph 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 649121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHtv[i] = v; 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 65570616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien measured.setPara(source, paraStart, paraEnd, textDir, b); 656e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char[] chs = measured.mChars; 657e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt float[] widths = measured.mWidths; 658e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt byte[] chdirs = measured.mLevels; 659e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int dir = measured.mDir; 660e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt boolean easy = measured.mEasy; 661c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien 662c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien // tab stop locations 663c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien int[] variableTabStops = null; 664c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien if (spanned != null) { 665c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien TabStopSpan[] spans = getParagraphSpans(spanned, paraStart, 666c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien paraEnd, TabStopSpan.class); 667c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien if (spans.length > 0) { 668c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien int[] stops = new int[spans.length]; 669c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien for (int i = 0; i < spans.length; i++) { 670c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien stops[i] = spans[i].getTabStop(); 671c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien } 672c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien Arrays.sort(stops, 0, stops.length); 673c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien variableTabStops = stops; 674c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien } 675c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien } 676c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien 677c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien nSetupParagraph(b.mNativePtr, chs, paraEnd - paraStart, 678c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien firstWidth, firstWidthLineCount, restWidth, 67995c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader variableTabStops, TAB_INCREMENT, b.mBreakStrategy, b.mHyphenationFrequency); 6802ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien if (mLeftIndents != null || mRightIndents != null) { 6812ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien // TODO(raph) performance: it would be better to do this once per layout rather 6822ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien // than once per paragraph, but that would require a change to the native 6832ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien // interface. 6842ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien int leftLen = mLeftIndents == null ? 0 : mLeftIndents.length; 6852ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien int rightLen = mRightIndents == null ? 0 : mRightIndents.length; 686f9a0886da0bddcb7db84b46bfee0129acc8276b8Siyamed Sinir int indentsLen = Math.max(1, Math.max(leftLen, rightLen) - mLineCount); 6872ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien int[] indents = new int[indentsLen]; 6882ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien for (int i = 0; i < indentsLen; i++) { 6892ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien int leftMargin = mLeftIndents == null ? 0 : 6902ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien mLeftIndents[Math.min(i + mLineCount, leftLen - 1)]; 6912ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien int rightMargin = mRightIndents == null ? 0 : 6922ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien mRightIndents[Math.min(i + mLineCount, rightLen - 1)]; 6932ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien indents[i] = leftMargin + rightMargin; 6942ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien } 6952ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien nSetIndents(b.mNativePtr, indents); 6962ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien } 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 698c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // measurement has to be done before performing line breaking 699c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // but we don't want to recompute fontmetrics or span ranges the 700c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // second time, so we cache those and then use those stored values 701c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye int fmCacheCount = 0; 702c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye int spanEndCacheCount = 0; 703cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne for (int spanStart = paraStart, spanEnd; spanStart < paraEnd; spanStart = spanEnd) { 704c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye if (fmCacheCount * 4 >= fmCache.length) { 705c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye int[] grow = new int[fmCacheCount * 4 * 2]; 706c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye System.arraycopy(fmCache, 0, grow, 0, fmCacheCount * 4); 707c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmCache = grow; 708c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye } 709c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye 710c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye if (spanEndCacheCount >= spanEndCache.length) { 711c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye int[] grow = new int[spanEndCacheCount * 2]; 712c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye System.arraycopy(spanEndCache, 0, grow, 0, spanEndCacheCount); 713c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye spanEndCache = grow; 714c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye } 71523241887515ed77687c23e29a4a3ffff671666bdDoug Felt 716cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne if (spanned == null) { 717cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne spanEnd = paraEnd; 71823241887515ed77687c23e29a4a3ffff671666bdDoug Felt int spanLen = spanEnd - spanStart; 719cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne measured.addStyleRun(paint, spanLen, fm); 720cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne } else { 721cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne spanEnd = spanned.nextSpanTransition(spanStart, paraEnd, 722cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne MetricAffectingSpan.class); 723cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne int spanLen = spanEnd - spanStart; 724cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne MetricAffectingSpan[] spans = 72523241887515ed77687c23e29a4a3ffff671666bdDoug Felt spanned.getSpans(spanStart, spanEnd, MetricAffectingSpan.class); 726cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne spans = TextUtils.removeEmptySpans(spans, spanned, MetricAffectingSpan.class); 727cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne measured.addStyleRun(paint, spans, spanLen, fm); 72823241887515ed77687c23e29a4a3ffff671666bdDoug Felt } 72923241887515ed77687c23e29a4a3ffff671666bdDoug Felt 730c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // the order of storage here (top, bottom, ascent, descent) has to match the code below 731c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // where these values are retrieved 732c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmCache[fmCacheCount * 4 + 0] = fm.top; 733c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmCache[fmCacheCount * 4 + 1] = fm.bottom; 734c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmCache[fmCacheCount * 4 + 2] = fm.ascent; 735c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmCache[fmCacheCount * 4 + 3] = fm.descent; 736c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmCacheCount++; 737c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye 738c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye spanEndCache[spanEndCacheCount] = spanEnd; 739c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye spanEndCacheCount++; 740c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye } 741c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye 74270616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien nGetWidths(b.mNativePtr, widths); 743c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien int breakCount = nComputeLineBreaks(b.mNativePtr, lineBreaks, lineBreaks.breaks, 744c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien lineBreaks.widths, lineBreaks.flags, lineBreaks.breaks.length); 74581541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne 746c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye int[] breaks = lineBreaks.breaks; 747c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye float[] lineWidths = lineBreaks.widths; 74826d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien int[] flags = lineBreaks.flags; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 750f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi final int remainingLineCount = mMaximumVisibleLineCount - mLineCount; 751f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi final boolean ellipsisMayBeApplied = ellipsize != null 752f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi && (ellipsize == TextUtils.TruncateAt.END 753f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi || (mMaximumVisibleLineCount == 1 754f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi && ellipsize != TextUtils.TruncateAt.MARQUEE)); 75504a84559fd11b36196872b1ac0cb82e5f7367806Raph Levien if (remainingLineCount > 0 && remainingLineCount < breakCount && 75604a84559fd11b36196872b1ac0cb82e5f7367806Raph Levien ellipsisMayBeApplied) { 757f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi // Calculate width and flag. 758f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi float width = 0; 759f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi int flag = 0; 760f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi for (int i = remainingLineCount - 1; i < breakCount; i++) { 76178f0d83550d70f043e1b9d35f56efa8c7572f44fKeisuke Kuroyanagi if (i == breakCount - 1) { 76278f0d83550d70f043e1b9d35f56efa8c7572f44fKeisuke Kuroyanagi width += lineWidths[i]; 76378f0d83550d70f043e1b9d35f56efa8c7572f44fKeisuke Kuroyanagi } else { 76478f0d83550d70f043e1b9d35f56efa8c7572f44fKeisuke Kuroyanagi for (int j = (i == 0 ? 0 : breaks[i - 1]); j < breaks[i]; j++) { 76578f0d83550d70f043e1b9d35f56efa8c7572f44fKeisuke Kuroyanagi width += widths[j]; 76678f0d83550d70f043e1b9d35f56efa8c7572f44fKeisuke Kuroyanagi } 76778f0d83550d70f043e1b9d35f56efa8c7572f44fKeisuke Kuroyanagi } 768f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi flag |= flags[i] & TAB_MASK; 769f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi } 77078f0d83550d70f043e1b9d35f56efa8c7572f44fKeisuke Kuroyanagi // Treat the last line and overflowed lines as a single line. 77178f0d83550d70f043e1b9d35f56efa8c7572f44fKeisuke Kuroyanagi breaks[remainingLineCount - 1] = breaks[breakCount - 1]; 772f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi lineWidths[remainingLineCount - 1] = width; 773f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi flags[remainingLineCount - 1] = flag; 774f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi 775f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi breakCount = remainingLineCount; 776f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi } 777f4a3f3a03c72b6a38dc2f3f965531dc2a12460dfKeisuke Kuroyanagi 778c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // here is the offset of the starting character of the line we are currently measuring 779c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye int here = paraStart; 780d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne 781c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye int fmTop = 0, fmBottom = 0, fmAscent = 0, fmDescent = 0; 782c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye int fmCacheIndex = 0; 783c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye int spanEndCacheIndex = 0; 784c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye int breakIndex = 0; 785c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye for (int spanStart = paraStart, spanEnd; spanStart < paraEnd; spanStart = spanEnd) { 786c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // retrieve end of span 787c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye spanEnd = spanEndCache[spanEndCacheIndex++]; 788c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye 789c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // retrieve cached metrics, order matches above 790c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fm.top = fmCache[fmCacheIndex * 4 + 0]; 791c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fm.bottom = fmCache[fmCacheIndex * 4 + 1]; 792c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fm.ascent = fmCache[fmCacheIndex * 4 + 2]; 793c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fm.descent = fmCache[fmCacheIndex * 4 + 3]; 794c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmCacheIndex++; 795c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye 796c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye if (fm.top < fmTop) { 797c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmTop = fm.top; 798c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye } 799c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye if (fm.ascent < fmAscent) { 800c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmAscent = fm.ascent; 801c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye } 802c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye if (fm.descent > fmDescent) { 803c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmDescent = fm.descent; 804c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye } 805c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye if (fm.bottom > fmBottom) { 806c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmBottom = fm.bottom; 807c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye } 808cd943a7a013952af9b7286fd506fd63bf0993ac1Gilles Debunne 809c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // skip breaks ending before current span range 810c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye while (breakIndex < breakCount && paraStart + breaks[breakIndex] < spanStart) { 811c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye breakIndex++; 812c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye } 81381541491946bfc4f2e26c171b4ebff4249dca51cGilles Debunne 814c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye while (breakIndex < breakCount && paraStart + breaks[breakIndex] <= spanEnd) { 815c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye int endPos = paraStart + breaks[breakIndex]; 816c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye 817ce4155a204144ae5462f547f7738af24be5a1f77Raph Levien boolean moreChars = (endPos < bufEnd); 8184c02e831728daf9374b52e2fe3fdbf7ce982bfc4Raph Levien 819c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye v = out(source, here, endPos, 820c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmAscent, fmDescent, fmTop, fmBottom, 821431e506b53e59b21a7d18bf46476b8c1528fabf1Roozbeh Pournader v, spacingmult, spacingadd, chooseHt, chooseHtv, fm, flags[breakIndex], 822c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye needMultiply, chdirs, dir, easy, bufEnd, includepad, trackpad, 823c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye chs, widths, paraStart, ellipsize, ellipsizedWidth, 8244c02e831728daf9374b52e2fe3fdbf7ce982bfc4Raph Levien lineWidths[breakIndex], paint, moreChars); 825c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye 826c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye if (endPos < spanEnd) { 827c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // preserve metrics for current span 828c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmTop = fm.top; 829c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmBottom = fm.bottom; 830c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmAscent = fm.ascent; 831c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmDescent = fm.descent; 832c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye } else { 833c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye fmTop = fmBottom = fmAscent = fmDescent = 0; 8348059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 836c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye here = endPos; 837c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye breakIndex++; 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 839c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye if (mLineCount >= mMaximumVisibleLineCount) { 840c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye return; 841c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye } 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 845121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (paraEnd == bufEnd) 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8498059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if ((bufEnd == bufStart || source.charAt(bufEnd - 1) == CHAR_NEW_LINE) && 850ad0b051b133baf92f199c96a8ac1e81b3393190cFabrice Di Meglio mLineCount < mMaximumVisibleLineCount) { 851121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio // Log.e("text", "output last " + bufEnd); 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 85370616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien measured.setPara(source, bufEnd, bufEnd, textDir, b); 854e631889e1ae7edc6a2fae495ba504f85820b6a4bFabrice Di Meglio 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.getFontMetricsInt(fm); 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = out(source, 858121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio bufEnd, bufEnd, fm.ascent, fm.descent, 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top, fm.bottom, 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v, 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spacingmult, spacingadd, null, 86226d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien null, fm, 0, 863e631889e1ae7edc6a2fae495ba504f85820b6a4bFabrice Di Meglio needMultiply, measured.mLevels, measured.mDir, measured.mEasy, bufEnd, 864d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne includepad, trackpad, null, 865d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne null, bufStart, ellipsize, 866d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne ellipsizedWidth, 0, paint, false); 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int out(CharSequence text, int start, int end, 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int above, int below, int top, int bottom, int v, 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float spacingmult, float spacingadd, 873121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio LineHeightSpan[] chooseHt, int[] chooseHtv, 87426d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien Paint.FontMetricsInt fm, int flags, 875d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne boolean needMultiply, byte[] chdirs, int dir, 876d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne boolean easy, int bufEnd, boolean includePad, 877d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne boolean trackPad, char[] chs, 878d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne float[] widths, int widthStart, TextUtils.TruncateAt ellipsize, 879d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne float ellipsisWidth, float textWidth, 880d300e75eff0d5e54390400cbd3f80dc4cea8b617Gilles Debunne TextPaint paint, boolean moreChars) { 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int j = mLineCount; 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int off = j * mColumns; 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int want = off + mColumns + TOP; 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] lines = mLines; 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (want >= lines.length) { 887776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski Directions[] grow2 = ArrayUtils.newUnpaddedArray( 888776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski Directions.class, GrowingArrayUtils.growSize(want)); 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mLineDirections, 0, grow2, 0, 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections.length); 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineDirections = grow2; 892776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski 893776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski int[] grow = new int[grow2.length]; 894776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski System.arraycopy(lines, 0, grow, 0, lines.length); 895776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski mLines = grow; 896776abc24cdd18610232a50b997cce3cffa74609bAdam Lesinski lines = grow; 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (chooseHt != null) { 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.ascent = above; 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.descent = below; 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.top = top; 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.bottom = bottom; 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 905121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio for (int i = 0; i < chooseHt.length; i++) { 906121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (chooseHt[i] instanceof LineHeightSpan.WithDensity) { 907121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio ((LineHeightSpan.WithDensity) chooseHt[i]). 908121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHeight(text, start, end, chooseHtv[i], v, fm, paint); 909a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer 910a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer } else { 911121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio chooseHt[i].chooseHeight(text, start, end, chooseHtv[i], v, fm); 912a9f1dd021f8f6ee777bc4d27913bd40c42e753afEric Fischer } 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project above = fm.ascent; 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project below = fm.descent; 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top = fm.top; 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottom = fm.bottom; 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 921d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien boolean firstLine = (j == 0); 922d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien boolean currentLineIsTheLastVisibleOne = (j + 1 == mMaximumVisibleLineCount); 923d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien boolean lastLine = currentLineIsTheLastVisibleOne || (end == bufEnd); 924d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien 925d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien if (firstLine) { 926121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (trackPad) { 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTopPadding = top - above; 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 930121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (includePad) { 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project above = top; 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 934d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien 935d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien int extra; 936d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien 937d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien if (lastLine) { 938121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (trackPad) { 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBottomPadding = bottom - below; 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 942121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (includePad) { 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project below = bottom; 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 948d97b097a5b7a906e8d30c6d3b0f41c55650ce7a9Raph Levien if (needMultiply && !lastLine) { 9491065758a0f8966a8597a61492112f7859a7050a4Doug Felt double ex = (below - above) * (spacingmult - 1) + spacingadd; 9501065758a0f8966a8597a61492112f7859a7050a4Doug Felt if (ex >= 0) { 951121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio extra = (int)(ex + EXTRA_ROUNDING); 9521065758a0f8966a8597a61492112f7859a7050a4Doug Felt } else { 953121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio extra = -(int)(-ex + EXTRA_ROUNDING); 9541065758a0f8966a8597a61492112f7859a7050a4Doug Felt } 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extra = 0; 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + START] = start; 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + TOP] = v; 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + DESCENT] = below + extra; 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v += (below - above) + extra; 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + mColumns + START] = end; 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lines[off + mColumns + TOP] = v; 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 96726d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien // TODO: could move TAB to share same column as HYPHEN, simplifying this code and gaining 96826d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien // one bit for start field 96926d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien lines[off + TAB] |= flags & TAB_MASK; 97026d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien lines[off + HYPHEN] = flags; 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9729f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt lines[off + DIR] |= dir << DIR_SHIFT; 9739f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt Directions linedirs = DIRS_ALL_LEFT_TO_RIGHT; 9749f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt // easy means all chars < the first RTL, so no emoji, no nothing 9754e0c5e55e171532760d5f51e0165563827129d4eDoug Felt // XXX a run with no text or all spaces is easy but might be an empty 9769f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt // RTL paragraph. Make sure easy is false if this is the case. 9779f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt if (easy) { 9789f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt mLineDirections[j] = linedirs; 9799f7a4442b89cc06cb8cae6992484e7ae795323abDoug Felt } else { 980f3fa0cdbaea109b114f7facbb5d42de3fc12bbc8Gilles Debunne mLineDirections[j] = AndroidBidi.directions(dir, chdirs, start - widthStart, chs, 981f3fa0cdbaea109b114f7facbb5d42de3fc12bbc8Gilles Debunne start - widthStart, end - start); 9820a4db3c5270440eeb7e4e44a7029926e239ec3bdGilles Debunne } 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 984aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio if (ellipsize != null) { 985aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio // If there is only one line, then do any type of ellipsis except when it is MARQUEE 986aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio // if there are multiple lines, just allow END ellipsis on the last line 9878059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio boolean forceEllipsis = moreChars && (mLineCount + 1 == mMaximumVisibleLineCount); 988aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio 98934a126e51aaf22e32c7af808ec6b5a0c41ae3311Fabrice Di Meglio boolean doEllipsis = 99034a126e51aaf22e32c7af808ec6b5a0c41ae3311Fabrice Di Meglio (((mMaximumVisibleLineCount == 1 && moreChars) || (firstLine && !moreChars)) && 991aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsize != TextUtils.TruncateAt.MARQUEE) || 992aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio (!firstLine && (currentLineIsTheLastVisibleOne || !moreChars) && 993aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsize == TextUtils.TruncateAt.END); 994aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio if (doEllipsis) { 995aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio calculateEllipsis(start, end, widths, widthStart, 996aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsisWidth, ellipsize, j, 997aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio textWidth, paint, forceEllipsis); 998aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio } 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLineCount++; 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1005121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private void calculateEllipsis(int lineStart, int lineEnd, 1006121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio float[] widths, int widthStart, 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float avail, TextUtils.TruncateAt where, 10088059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int line, float textWidth, TextPaint paint, 10098059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio boolean forceEllipsis) { 10108059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (textWidth <= avail && !forceEllipsis) { 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Everything fits! 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_START] = 0; 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_COUNT] = 0; 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1017cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio float ellipsisWidth = paint.measureText( 10188d44fff7e62f77c3b3072a96712cc1389e63ca64Fabrice Di Meglio (where == TextUtils.TruncateAt.END_SMALL) ? 1019d29bdb266d54b4551f42776bb790e80147a279d0Neil Fuller TextUtils.ELLIPSIS_TWO_DOTS : TextUtils.ELLIPSIS_NORMAL, 0, 1); 10208059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int ellipsisStart = 0; 10218059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int ellipsisCount = 0; 1022121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio int len = lineEnd - lineStart; 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10248059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio // We only support start ellipsis on a single line 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where == TextUtils.TruncateAt.START) { 10268059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (mMaximumVisibleLineCount == 1) { 10278059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float sum = 0; 10288059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int i; 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1030ed2eea1bfc1fb57d3b34f2c1e6062b541737e73eKeisuke Kuroyanagi for (i = len; i > 0; i--) { 10318059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float w = widths[i - 1 + lineStart - widthStart]; 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10338059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (w + sum + ellipsisWidth > avail) { 10348059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio break; 10358059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 10368059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio 10378059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio sum += w; 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10408059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisStart = 0; 10418059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisCount = i; 10428059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } else { 10438059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (Log.isLoggable(TAG, Log.WARN)) { 10448059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio Log.w(TAG, "Start Ellipsis only supported with one line"); 10458059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1047cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio } else if (where == TextUtils.TruncateAt.END || where == TextUtils.TruncateAt.MARQUEE || 1048cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio where == TextUtils.TruncateAt.END_SMALL) { 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float sum = 0; 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < len; i++) { 1053121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio float w = widths[i + lineStart - widthStart]; 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1055121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio if (w + sum + ellipsisWidth > avail) { 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sum += w; 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisStart = i; 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ellipsisCount = len - i; 1064aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio if (forceEllipsis && ellipsisCount == 0 && len > 0) { 1065aef455fd5b4c667267deb050bc7997e737b7507eFabrice Di Meglio ellipsisStart = len - 1; 10668059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisCount = 1; 10678059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 10688059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } else { 10698059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio // where = TextUtils.TruncateAt.MIDDLE We only support middle ellipsis on a single line 10708059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (mMaximumVisibleLineCount == 1) { 10718059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float lsum = 0, rsum = 0; 10728059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio int left = 0, right = len; 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10748059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float ravail = (avail - ellipsisWidth) / 2; 10750e3c5e827235911d33312e431975533f046421e7Raph Levien for (right = len; right > 0; right--) { 10768059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float w = widths[right - 1 + lineStart - widthStart]; 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10788059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (w + rsum > ravail) { 10798059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio break; 10808059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 10818059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio 10828059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio rsum += w; 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10858059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float lavail = avail - ellipsisWidth - rsum; 10868059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio for (left = 0; left < right; left++) { 10878059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio float w = widths[left + lineStart - widthStart]; 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10898059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (w + lsum > lavail) { 10908059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio break; 10918059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10938059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio lsum += w; 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10968059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisStart = left; 10978059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio ellipsisCount = right - left; 10988059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } else { 10998059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio if (Log.isLoggable(TAG, Log.WARN)) { 11008059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio Log.w(TAG, "Middle Ellipsis only supported with one line"); 11018059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio } 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_START] = ellipsisStart; 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLines[mColumns * line + ELLIPSIS_COUNT] = ellipsisCount; 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // Override the base class so we can directly access our members, 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // rather than relying on member functions. 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The logic mirrors that of Layout.getLineForVertical 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME: It may be faster to do a linear search for layouts without many lines. 11136611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineForVertical(int vertical) { 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int high = mLineCount; 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int low = -1; 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int guess; 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] lines = mLines; 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (high - low > 1) { 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project guess = (high + low) >> 1; 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lines[mColumns * guess + TOP] > vertical){ 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project high = guess; 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project low = guess; 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (low < 0) { 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return low; 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11346611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineCount() { 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLineCount; 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11396611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineTop(int line) { 114107e6c237d3f19b98bbec237892a785fd3895368aRaph Levien return mLines[mColumns * line + TOP]; 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11446611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineDescent(int line) { 114607e6c237d3f19b98bbec237892a785fd3895368aRaph Levien return mLines[mColumns * line + DESCENT]; 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11496611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLineStart(int line) { 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + START] & START_MASK; 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11546611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getParagraphDirection(int line) { 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + DIR] >> DIR_SHIFT; 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11596611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getLineContainsTab(int line) { 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mLines[mColumns * line + TAB] & TAB_MASK) != 0; 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11646611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Directions getLineDirections(int line) { 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLineDirections[line]; 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11696611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTopPadding() { 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTopPadding; 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11746611147383118cd91cc29b31bff9aaf4c853f39dGilles Debunne @Override 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getBottomPadding() { 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mBottomPadding; 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 117926d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien /** 118026d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien * @hide 118126d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien */ 118226d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien @Override 118326d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien public int getHyphen(int line) { 118426d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien return mLines[mColumns * line + HYPHEN] & 0xff; 118526d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien } 118626d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien 11872ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien /** 11882ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien * @hide 11892ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien */ 11902ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien @Override 11912ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien public int getIndentAdjust(int line, Alignment align) { 11922ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien if (align == Alignment.ALIGN_LEFT) { 11932ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien if (mLeftIndents == null) { 11942ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien return 0; 11952ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien } else { 11962ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien return mLeftIndents[Math.min(line, mLeftIndents.length - 1)]; 11972ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien } 11982ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien } else if (align == Alignment.ALIGN_RIGHT) { 11992ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien if (mRightIndents == null) { 12002ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien return 0; 12012ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien } else { 12022ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien return -mRightIndents[Math.min(line, mRightIndents.length - 1)]; 12032ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien } 12042ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien } else if (align == Alignment.ALIGN_CENTER) { 12052ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien int left = 0; 12062ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien if (mLeftIndents != null) { 12072ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien left = mLeftIndents[Math.min(line, mLeftIndents.length - 1)]; 12082ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien } 12092ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien int right = 0; 12102ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien if (mRightIndents != null) { 12112ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien right = mRightIndents[Math.min(line, mRightIndents.length - 1)]; 12122ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien } 12132ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien return (left - right) >> 1; 12142ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien } else { 12152ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien throw new AssertionError("unhandled alignment " + align); 12162ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien } 12172ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien } 12182ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsisCount(int line) { 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColumns < COLUMNS_ELLIPSIZE) { 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + ELLIPSIS_COUNT]; 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsisStart(int line) { 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColumns < COLUMNS_ELLIPSIZE) { 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLines[mColumns * line + ELLIPSIS_START]; 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getEllipsizedWidth() { 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mEllipsizedWidth; 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 124270616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien private static native long nNewBuilder(); 124370616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien private static native void nFreeBuilder(long nativePtr); 124470616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien private static native void nFinishBuilder(long nativePtr); 124526d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien 1246091dba2de1e5fa7d4db9f8ccbf1f86e5825d0f52Raph Levien /* package */ static native long nLoadHyphenator(ByteBuffer buf, int offset); 124726d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien 124826d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien private static native void nSetLocale(long nativePtr, String locale, long nativeHyphenator); 124970616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien 1250e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien private static native void nSetIndents(long nativePtr, int[] indents); 1251e319d5a3627aa3cd73c6ec0c76f8593ddefbab9dRaph Levien 1252c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien // Set up paragraph text and settings; done as one big method to minimize jni crossings 1253c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien private static native void nSetupParagraph(long nativePtr, char[] text, int length, 1254c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien float firstWidth, int firstWidthLineCount, float restWidth, 125595c7a13f2ac4f31ed3aaec9b47b9a29a3dbca978Roozbeh Pournader int[] variableTabStops, int defaultTabStop, int breakStrategy, int hyphenationFrequency); 125670616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien 125770616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien private static native float nAddStyleRun(long nativePtr, long nativePaint, 125870616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien long nativeTypeface, int start, int end, boolean isRtl); 125970616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien 126070616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien private static native void nAddMeasuredRun(long nativePtr, 126170616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien int start, int end, float[] widths); 126270616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien 126370616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien private static native void nAddReplacementRun(long nativePtr, int start, int end, float width); 126470616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien 126570616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien private static native void nGetWidths(long nativePtr, float[] widths); 126670616ecd22fafccf2fab7565ccfbb3b5f91c5580Raph Levien 1267c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // populates LineBreaks and returns the number of breaks found 1268c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // 1269c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // the arrays inside the LineBreaks objects are passed in as well 1270c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // to reduce the number of JNI calls in the common case where the 1271c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // arrays do not have to be resized 1272c94f742f7e07a3b86c8f603836c19638472b3e83Raph Levien private static native int nComputeLineBreaks(long nativePtr, LineBreaks recycle, 127326d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien int[] recycleBreaks, float[] recycleWidths, int[] recycleFlags, int recycleLength); 127488b5b0be887fc5dc3b0b879b4179dde200d2e4d6Anish Athalye 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLineCount; 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mTopPadding, mBottomPadding; 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mColumns; 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mEllipsizedWidth; 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 128026d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien private static final int COLUMNS_NORMAL = 4; 128126d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien private static final int COLUMNS_ELLIPSIZE = 6; 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START = 0; 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR = START; 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TAB = START; 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOP = 1; 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DESCENT = 2; 128726d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien private static final int HYPHEN = 3; 128826d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien private static final int ELLIPSIS_START = 4; 128926d443aee4ee5a8791417b4ca09e8c78ba8dc78bRaph Levien private static final int ELLIPSIS_COUNT = 5; 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mLines; 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Directions[] mLineDirections; 12938059e0903e36cbb5cf8b5c5d5d653acc9bbc8402Fabrice Di Meglio private int mMaximumVisibleLineCount = Integer.MAX_VALUE; 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START_MASK = 0x1FFFFFFF; 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DIR_SHIFT = 30; 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TAB_MASK = 0x20000000; 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1299c982f60e982c1d2df9f115ed9a5c3ef3643d0892Doug Felt private static final int TAB_INCREMENT = 20; // same as Layout, but that's private 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1301121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final char CHAR_NEW_LINE = '\n'; 1302121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio 1303121c82c8130c2658f73fb19f3a62eb88c8679968Fabrice Di Meglio private static final double EXTRA_ROUNDING = 0.5; 1304cb332649e44db86ff8b4e7f006db4bbfd82fed55Fabrice Di Meglio 1305c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // This is used to return three arrays from a single JNI call when 1306c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // performing line breaking 13077053919a3a55ad1b58e6db701afda18850037732Deepanshu Gupta /*package*/ static class LineBreaks { 1308c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye private static final int INITIAL_SIZE = 16; 1309c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye public int[] breaks = new int[INITIAL_SIZE]; 1310c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye public float[] widths = new float[INITIAL_SIZE]; 1311112d9c7f116bec0a52badde81bd778e59e88cb63Roozbeh Pournader public int[] flags = new int[INITIAL_SIZE]; // hasTab 1312c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye // breaks, widths, and flags should all have the same length 1313c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye } 1314c8f9e6218681640d5f384c12edf06619be56a583Anish Athalye 13152ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien private int[] mLeftIndents; 13162ea5290ffb9efe0a7c187fb1177ef8ecd089803cRaph Levien private int[] mRightIndents; 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1318