ImageView.java revision 430742f09063574271e6c4091de13b9b9e762514
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.widget; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 190f8555b72861b7b9a233ab65b14055c98b145c91Bjorn Bringertimport android.content.ContentResolver; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.Resources; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Bitmap; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.ColorFilter; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Matrix; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.PorterDuff; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.PorterDuffColorFilter; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.RectF; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.BitmapDrawable; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.Drawable; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.net.Uri; 337da4b73a236b7c72d1337696949df7a00776dd06Adam Powellimport android.os.Build; 346179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganovimport android.text.TextUtils; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 372b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkeyimport android.view.RemotableViewMethod; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 39fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onoratoimport android.view.ViewDebug; 406179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganovimport android.view.accessibility.AccessibilityEvent; 418a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganovimport android.view.accessibility.AccessibilityNodeInfo; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.RemoteViews.RemoteView; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 443614394c85da011c2899f2a8877573186707e7e4Romain Guyimport java.io.IOException; 453614394c85da011c2899f2a8877573186707e7e4Romain Guyimport java.io.InputStream; 463614394c85da011c2899f2a8877573186707e7e4Romain Guy 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Displays an arbitrary image, such as an icon. The ImageView class 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can load images from various sources (such as resources or content 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * providers), takes care of computing its measurement from the image so that 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it can be used in any layout manager, and provides various display options 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * such as scaling and tinting. 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_adjustViewBounds 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_src 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_maxWidth 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_maxHeight 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_tint 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_scaleType 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_cropToPadding 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project@RemoteView 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class ImageView extends View { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // settable by the client 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Uri mUri; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mResource = 0; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Matrix mMatrix; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ScaleType mScaleType; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mHaveFrame = false; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mAdjustViewBounds = false; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mMaxWidth = Integer.MAX_VALUE; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mMaxHeight = Integer.MAX_VALUE; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // these are applied to the drawable 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ColorFilter mColorFilter; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mAlpha = 255; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mViewAlphaScale = 256; 782b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey private boolean mColorMod = false; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Drawable mDrawable = null; 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mState = null; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mMergeState = false; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLevel = 0; 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mDrawableWidth; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mDrawableHeight; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Matrix mDrawMatrix = null; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Avoid allocations... 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RectF mTempSrc = new RectF(); 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RectF mTempDst = new RectF(); 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mCropToPadding; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 94fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato private int mBaseline = -1; 95fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato private boolean mBaselineAlignBottom = false; 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 977da4b73a236b7c72d1337696949df7a00776dd06Adam Powell // AdjustViewBounds behavior will be in compatibility mode for older apps. 987da4b73a236b7c72d1337696949df7a00776dd06Adam Powell private boolean mAdjustViewBoundsCompat = false; 997da4b73a236b7c72d1337696949df7a00776dd06Adam Powell 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final ScaleType[] sScaleTypeArray = { 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.MATRIX, 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.FIT_XY, 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.FIT_START, 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.FIT_CENTER, 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.FIT_END, 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.CENTER, 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.CENTER_CROP, 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.CENTER_INSIDE 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ImageView(Context context) { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initImageView(); 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1154213804541a8b05cd0587b138a2fd9a3b7fd9350Svetoslav Ganov 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ImageView(Context context, AttributeSet attrs) { 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, attrs, 0); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1194213804541a8b05cd0587b138a2fd9a3b7fd9350Svetoslav Ganov 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ImageView(Context context, AttributeSet attrs, int defStyle) { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, defStyle); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initImageView(); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView, defStyle, 0); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = a.getDrawable(com.android.internal.R.styleable.ImageView_src); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setImageDrawable(d); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 132fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato mBaselineAlignBottom = a.getBoolean( 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView_baselineAlignBottom, false); 134fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato 135fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato mBaseline = a.getDimensionPixelSize( 136fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato com.android.internal.R.styleable.ImageView_baseline, -1); 137fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAdjustViewBounds( 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.getBoolean(com.android.internal.R.styleable.ImageView_adjustViewBounds, 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project false)); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setMaxWidth(a.getDimensionPixelSize( 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView_maxWidth, Integer.MAX_VALUE)); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setMaxHeight(a.getDimensionPixelSize( 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView_maxHeight, Integer.MAX_VALUE)); 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = a.getInt(com.android.internal.R.styleable.ImageView_scaleType, -1); 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >= 0) { 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setScaleType(sScaleTypeArray[index]); 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int tint = a.getInt(com.android.internal.R.styleable.ImageView_tint, 0); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tint != 0) { 1552b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey setColorFilter(tint); 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 158ba1fe8e3cfcf029a9bbd9bc7575e2b5c4f4ad8b0Chet Haase int alpha = a.getInt(com.android.internal.R.styleable.ImageView_drawableAlpha, 255); 159ba1fe8e3cfcf029a9bbd9bc7575e2b5c4f4ad8b0Chet Haase if (alpha != 255) { 160ba1fe8e3cfcf029a9bbd9bc7575e2b5c4f4ad8b0Chet Haase setAlpha(alpha); 161ba1fe8e3cfcf029a9bbd9bc7575e2b5c4f4ad8b0Chet Haase } 162ba1fe8e3cfcf029a9bbd9bc7575e2b5c4f4ad8b0Chet Haase 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCropToPadding = a.getBoolean( 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView_cropToPadding, false); 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //need inflate syntax/reader for matrix 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void initImageView() { 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMatrix = new Matrix(); 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleType = ScaleType.FIT_CENTER; 1747da4b73a236b7c72d1337696949df7a00776dd06Adam Powell mAdjustViewBoundsCompat = mContext.getApplicationInfo().targetSdkVersion <= 1757da4b73a236b7c72d1337696949df7a00776dd06Adam Powell Build.VERSION_CODES.JELLY_BEAN_MR1; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean verifyDrawable(Drawable dr) { 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawable == dr || super.verifyDrawable(dr); 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 184e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn public void jumpDrawablesToCurrentState() { 185e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn super.jumpDrawablesToCurrentState(); 186e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn if (mDrawable != null) mDrawable.jumpToCurrentState(); 187e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn } 188e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn 189e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn @Override 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void invalidateDrawable(Drawable dr) { 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dr == mDrawable) { 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* we invalidate the whole view in this case because it's very 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hard to know where the drawable actually is. This is made 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * complicated because of the offsets and transformations that 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can be applied. In theory we could get the drawable's bounds 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and run them through the transformation and offsets, but this 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is probably not worth the effort. 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.invalidateDrawable(dr); 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 204fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 206db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase public boolean hasOverlappingRendering() { 2070931a8516af8284981bb9d584e57cbc3925db4bcMichael Jurka return (getBackground() != null && getBackground().getCurrent() != null); 208db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase } 209db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase 210db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase @Override 2116179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov public void onPopulateAccessibilityEvent(AccessibilityEvent event) { 212031d9c1389de2b9dac7f175af0b962e24b21d5beSvetoslav Ganov super.onPopulateAccessibilityEvent(event); 2136179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov CharSequence contentDescription = getContentDescription(); 2146179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov if (!TextUtils.isEmpty(contentDescription)) { 2156179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov event.getText().add(contentDescription); 2166179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov } 2176179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov } 2186179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 220aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * True when ImageView is adjusting its bounds 221aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * to preserve the aspect ratio of its drawable 222aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 223aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @return whether to adjust the bounds of this view 224aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * to presrve the original aspect ratio of the drawable 225aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 226aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @see #setAdjustViewBounds(boolean) 227aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 228aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @attr ref android.R.styleable#ImageView_adjustViewBounds 229aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne */ 230aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne public boolean getAdjustViewBounds() { 231aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne return mAdjustViewBounds; 232aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne } 233aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne 234aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne /** 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set this to true if you want the ImageView to adjust its bounds 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to preserve the aspect ratio of its drawable. 2372c8cc972c3b03b76a80db517dde1e68895bbdd66Adam Powell * 2382c8cc972c3b03b76a80db517dde1e68895bbdd66Adam Powell * <p><strong>Note:</strong> If the application targets API level 17 or lower, 2392c8cc972c3b03b76a80db517dde1e68895bbdd66Adam Powell * adjustViewBounds will allow the drawable to shrink the view bounds, but not grow 2402c8cc972c3b03b76a80db517dde1e68895bbdd66Adam Powell * to fill available measured space in all cases. This is for compatibility with 2412c8cc972c3b03b76a80db517dde1e68895bbdd66Adam Powell * legacy {@link android.view.View.MeasureSpec MeasureSpec} and 2422c8cc972c3b03b76a80db517dde1e68895bbdd66Adam Powell * {@link android.widget.RelativeLayout RelativeLayout} behavior.</p> 2432c8cc972c3b03b76a80db517dde1e68895bbdd66Adam Powell * 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param adjustViewBounds Whether to adjust the bounds of this view 2452c8cc972c3b03b76a80db517dde1e68895bbdd66Adam Powell * to preserve the original aspect ratio of the drawable. 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 247aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @see #getAdjustViewBounds() 248aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_adjustViewBounds 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAdjustViewBounds(boolean adjustViewBounds) { 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAdjustViewBounds = adjustViewBounds; 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (adjustViewBounds) { 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setScaleType(ScaleType.FIT_CENTER); 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 258aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne 259aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne /** 260aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * The maximum width of this view. 261aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 262aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @return The maximum width of this view 263aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 264aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @see #setMaxWidth(int) 265aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 266aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @attr ref android.R.styleable#ImageView_maxWidth 267aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne */ 268aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne public int getMaxWidth() { 269aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne return mMaxWidth; 270aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne } 271aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An optional argument to supply a maximum width for this view. Only valid if 2749fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * {@link #setAdjustViewBounds(boolean)} has been set to true. To set an image to be a maximum 2759fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * of 100 x 100 while preserving the original aspect ratio, do the following: 1) set 2769fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * adjustViewBounds to true 2) set maxWidth and maxHeight to 100 3) set the height and width 2779fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * layout params to WRAP_CONTENT. 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note that this view could be still smaller than 100 x 100 using this approach if the original 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * image is small. To set an image to a fixed size, specify that size in the layout params and 2829fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * then use {@link #setScaleType(android.widget.ImageView.ScaleType)} to determine how to fit 2839fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * the image within the bounds. 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param maxWidth maximum width for this view 287aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 288aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @see #getMaxWidth() 289aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_maxWidth 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setMaxWidth(int maxWidth) { 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaxWidth = maxWidth; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 296aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne 297aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne /** 298aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * The maximum height of this view. 299aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 300aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @return The maximum height of this view 301aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 302aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @see #setMaxHeight(int) 303aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 304aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @attr ref android.R.styleable#ImageView_maxHeight 305aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne */ 306aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne public int getMaxHeight() { 307aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne return mMaxHeight; 308aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne } 309aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An optional argument to supply a maximum height for this view. Only valid if 3129fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * {@link #setAdjustViewBounds(boolean)} has been set to true. To set an image to be a 3139fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * maximum of 100 x 100 while preserving the original aspect ratio, do the following: 1) set 3149fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * adjustViewBounds to true 2) set maxWidth and maxHeight to 100 3) set the height and width 3159fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * layout params to WRAP_CONTENT. 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note that this view could be still smaller than 100 x 100 using this approach if the original 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * image is small. To set an image to a fixed size, specify that size in the layout params and 3209fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * then use {@link #setScaleType(android.widget.ImageView.ScaleType)} to determine how to fit 3219fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * the image within the bounds. 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param maxHeight maximum height for this view 325aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 326aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @see #getMaxHeight() 327aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_maxHeight 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setMaxHeight(int maxHeight) { 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaxHeight = maxHeight; 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Return the view's drawable, or null if no drawable has been 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assigned. 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable getDrawable() { 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawable; 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a drawable as the content of this ImageView. 344c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * 345c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * <p class="note">This does Bitmap reading and decoding on the UI 346c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * thread, which can cause a latency hiccup. If that's a concern, 3479fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * consider using {@link #setImageDrawable(android.graphics.drawable.Drawable)} or 3489fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * {@link #setImageBitmap(android.graphics.Bitmap)} and 349c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * {@link android.graphics.BitmapFactory} instead.</p> 350c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * 351430742f09063574271e6c4091de13b9b9e762514Chet Haase * @param resId the resource identifier of the drawable 352c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_src 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageResource(int resId) { 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mUri != null || mResource != resId) { 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateDrawable(null); 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResource = resId; 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = null; 361f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell 362f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell final int oldWidth = mDrawableWidth; 363f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell final int oldHeight = mDrawableHeight; 364f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolveUri(); 366f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell 367f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell if (oldWidth != mDrawableWidth || oldHeight != mDrawableHeight) { 368f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell requestLayout(); 369f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell } 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the content of this ImageView to the specified Uri. 376c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * 377c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * <p class="note">This does Bitmap reading and decoding on the UI 378c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * thread, which can cause a latency hiccup. If that's a concern, 3799fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * consider using {@link #setImageDrawable(android.graphics.drawable.Drawable)} or 3809fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * {@link #setImageBitmap(android.graphics.Bitmap)} and 381c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * {@link android.graphics.BitmapFactory} instead.</p> 382c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param uri The Uri of an image 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageURI(Uri uri) { 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResource != 0 || 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (mUri != uri && 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (uri == null || mUri == null || !uri.equals(mUri)))) { 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateDrawable(null); 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResource = 0; 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = uri; 393f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell 394f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell final int oldWidth = mDrawableWidth; 395f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell final int oldHeight = mDrawableHeight; 396f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolveUri(); 398f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell 399f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell if (oldWidth != mDrawableWidth || oldHeight != mDrawableHeight) { 400f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell requestLayout(); 401f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell } 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a drawable as the content of this ImageView. 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param drawable The drawable to set 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageDrawable(Drawable drawable) { 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != drawable) { 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResource = 0; 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = null; 4159e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy 416f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell final int oldWidth = mDrawableWidth; 417f96ce0261326d1637e0111eaddde725ed94f2163Adam Powell final int oldHeight = mDrawableHeight; 4182a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell 4199e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy updateDrawable(drawable); 4202a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell 4219e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy if (oldWidth != mDrawableWidth || oldHeight != mDrawableHeight) { 4222a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell requestLayout(); 4232a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell } 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a Bitmap as the content of this ImageView. 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bm The bitmap to set 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageBitmap(Bitmap bm) { 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if this is used frequently, may handle bitmaps explicitly 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to reduce the intermediate drawable object 43711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn setImageDrawable(new BitmapDrawable(mContext.getResources(), bm)); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageState(int[] state, boolean merge) { 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = state; 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMergeState = merge; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != null) { 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project refreshDrawableState(); 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeFromDrawable(); 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelected(boolean selected) { 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.setSelected(selected); 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeFromDrawable(); 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4554df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project /** 4564df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Sets the image level, when it is constructed from a 4574df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * {@link android.graphics.drawable.LevelListDrawable}. 4584df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * 4594df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * @param level The new level for the image. 4604df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project */ 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageLevel(int level) { 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLevel = level; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != null) { 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setLevel(level); 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeFromDrawable(); 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Options for scaling the bounds of an image to the bounds of this view. 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum ScaleType { 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale using the image matrix when drawing. The image matrix can be set using 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link ImageView#setImageMatrix(Matrix)}. From XML, use this syntax: 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <code>android:scaleType="matrix"</code>. 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MATRIX (0), 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image using {@link Matrix.ScaleToFit#FILL}. 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="fitXY"</code>. 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FIT_XY (1), 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image using {@link Matrix.ScaleToFit#START}. 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="fitStart"</code>. 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FIT_START (2), 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image using {@link Matrix.ScaleToFit#CENTER}. 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <code>android:scaleType="fitCenter"</code>. 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FIT_CENTER (3), 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image using {@link Matrix.ScaleToFit#END}. 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="fitEnd"</code>. 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FIT_END (4), 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Center the image in the view, but perform no scaling. 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="center"</code>. 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CENTER (5), 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image uniformly (maintain the image's aspect ratio) so 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that both dimensions (width and height) of the image will be equal 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to or larger than the corresponding dimension of the view 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (minus padding). The image is then centered in the view. 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="centerCrop"</code>. 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CENTER_CROP (6), 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image uniformly (maintain the image's aspect ratio) so 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that both dimensions (width and height) of the image will be equal 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to or less than the corresponding dimension of the view 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (minus padding). The image is then centered in the view. 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="centerInside"</code>. 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CENTER_INSIDE (7); 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType(int ni) { 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeInt = ni; 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int nativeInt; 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Controls how the image should be resized or moved to match the size 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of this ImageView. 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param scaleType The desired scaling mode. 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_scaleType 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setScaleType(ScaleType scaleType) { 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (scaleType == null) { 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScaleType != scaleType) { 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleType = scaleType; 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setWillNotCacheDrawing(mScaleType == ScaleType.CENTER); 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the current scale type in use by this ImageView. 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see ImageView.ScaleType 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_scaleType 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ScaleType getScaleType() { 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScaleType; 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Return the view's optional matrix. This is applied to the 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view's drawable when it is drawn. If there is not matrix, 5655370405db2a4413e8fd3e57d2e6664a65bbd514bRomain Guy this method will return an identity matrix. 5665370405db2a4413e8fd3e57d2e6664a65bbd514bRomain Guy Do not change this matrix in place but make a copy. 5675370405db2a4413e8fd3e57d2e6664a65bbd514bRomain Guy If you want a different matrix applied to the drawable, 5685370405db2a4413e8fd3e57d2e6664a65bbd514bRomain Guy be sure to call setImageMatrix(). 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Matrix getImageMatrix() { 5711ee60179bbc06823e1e0f6557ea6afdad0c3db4dDake Gu if (mDrawMatrix == null) { 5725370405db2a4413e8fd3e57d2e6664a65bbd514bRomain Guy return new Matrix(Matrix.IDENTITY_MATRIX); 5731ee60179bbc06823e1e0f6557ea6afdad0c3db4dDake Gu } 5741ee60179bbc06823e1e0f6557ea6afdad0c3db4dDake Gu return mDrawMatrix; 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageMatrix(Matrix matrix) { 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // collaps null and identity to just null 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (matrix != null && matrix.isIdentity()) { 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matrix = null; 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't invalidate unless we're actually changing our matrix 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (matrix == null && !mMatrix.isIdentity() || 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matrix != null && !mMatrix.equals(matrix)) { 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMatrix.set(matrix); 587f88872655e85570f3b9bfebe78647ed36916b3f4Chih-Chung Chang configureBounds(); 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 591aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne 592aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne /** 593aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * Return whether this ImageView crops to padding. 594aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 595aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @return whether this ImageView crops to padding 596aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 597aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @see #setCropToPadding(boolean) 598aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 599aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @attr ref android.R.styleable#ImageView_cropToPadding 600aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne */ 601aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne public boolean getCropToPadding() { 602aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne return mCropToPadding; 603aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne } 604aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne 605aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne /** 606aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * Sets whether this ImageView will crop to padding. 607aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 608aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @param cropToPadding whether this ImageView will crop to padding 609aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 610aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @see #getCropToPadding() 611aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 612aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @attr ref android.R.styleable#ImageView_cropToPadding 613aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne */ 614aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne public void setCropToPadding(boolean cropToPadding) { 615aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne if (mCropToPadding != cropToPadding) { 616aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne mCropToPadding = cropToPadding; 617aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne requestLayout(); 618aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne invalidate(); 619aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne } 620aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne } 621aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void resolveUri() { 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != null) { 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Resources rsrc = getResources(); 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rsrc == null) { 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = null; 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResource != 0) { 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d = rsrc.getDrawable(mResource); 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (Exception e) { 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.w("ImageView", "Unable to find resource: " + mResource, e); 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't try again. 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = null; 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mUri != null) { 6430f8555b72861b7b9a233ab65b14055c98b145c91Bjorn Bringert String scheme = mUri.getScheme(); 6449d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert if (ContentResolver.SCHEME_ANDROID_RESOURCE.equals(scheme)) { 6459d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert try { 6469d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert // Load drawable through Resources, to get the source density information 6479d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert ContentResolver.OpenResourceIdResult r = 6489d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert mContext.getContentResolver().getResourceId(mUri); 6499d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert d = r.r.getDrawable(r.id); 6509d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert } catch (Exception e) { 6519d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert Log.w("ImageView", "Unable to open content: " + mUri, e); 6529d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert } 6539d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert } else if (ContentResolver.SCHEME_CONTENT.equals(scheme) 6540f8555b72861b7b9a233ab65b14055c98b145c91Bjorn Bringert || ContentResolver.SCHEME_FILE.equals(scheme)) { 6553614394c85da011c2899f2a8877573186707e7e4Romain Guy InputStream stream = null; 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 6573614394c85da011c2899f2a8877573186707e7e4Romain Guy stream = mContext.getContentResolver().openInputStream(mUri); 6583614394c85da011c2899f2a8877573186707e7e4Romain Guy d = Drawable.createFromStream(stream, null); 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (Exception e) { 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.w("ImageView", "Unable to open content: " + mUri, e); 6613614394c85da011c2899f2a8877573186707e7e4Romain Guy } finally { 6623614394c85da011c2899f2a8877573186707e7e4Romain Guy if (stream != null) { 6633614394c85da011c2899f2a8877573186707e7e4Romain Guy try { 6643614394c85da011c2899f2a8877573186707e7e4Romain Guy stream.close(); 6653614394c85da011c2899f2a8877573186707e7e4Romain Guy } catch (IOException e) { 6663614394c85da011c2899f2a8877573186707e7e4Romain Guy Log.w("ImageView", "Unable to close content: " + mUri, e); 6673614394c85da011c2899f2a8877573186707e7e4Romain Guy } 6683614394c85da011c2899f2a8877573186707e7e4Romain Guy } 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6703614394c85da011c2899f2a8877573186707e7e4Romain Guy } else { 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d = Drawable.createFromPath(mUri.toString()); 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d == null) { 6753614394c85da011c2899f2a8877573186707e7e4Romain Guy System.out.println("resolveUri failed on bad bitmap uri: " + mUri); 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't try again. 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = null; 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateDrawable(d); 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int[] onCreateDrawableState(int extraSpace) { 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState == null) { 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onCreateDrawableState(extraSpace); 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (!mMergeState) { 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mState; 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mergeDrawableStates( 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onCreateDrawableState(extraSpace + mState.length), mState); 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void updateDrawable(Drawable d) { 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != null) { 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setCallback(null); 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unscheduleDrawable(mDrawable); 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable = d; 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setCallback(this); 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d.isStateful()) { 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setState(getDrawableState()); 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setLevel(mLevel); 710e56ffdc7b31b0937628609cc3bbaa15879023569Fabrice Di Meglio d.setLayoutDirection(getLayoutDirection()); 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableWidth = d.getIntrinsicWidth(); 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableHeight = d.getIntrinsicHeight(); 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project applyColorMod(); 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project configureBounds(); 7159e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy } else { 7169e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy mDrawableWidth = mDrawableHeight = -1; 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void resizeFromDrawable() { 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = mDrawable; 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int w = d.getIntrinsicWidth(); 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w < 0) w = mDrawableWidth; 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int h = d.getIntrinsicHeight(); 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (h < 0) h = mDrawableHeight; 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w != mDrawableWidth || h != mDrawableHeight) { 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableWidth = w; 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableHeight = h; 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final Matrix.ScaleToFit[] sS2FArray = { 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix.ScaleToFit.FILL, 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix.ScaleToFit.START, 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix.ScaleToFit.CENTER, 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix.ScaleToFit.END 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static Matrix.ScaleToFit scaleTypeToScaleToFit(ScaleType st) { 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ScaleToFit enum to their corresponding Matrix.ScaleToFit values 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sS2FArray[st.nativeInt - 1]; 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolveUri(); 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int w; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int h; 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Desired aspect ratio of the view's contents (not including padding) 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float desiredAspect = 0.0f; 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are allowed to change the view's width 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean resizeWidth = false; 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are allowed to change the view's height 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean resizeHeight = false; 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7622a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell final int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 7632a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell final int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 7642a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable == null) { 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If no drawable, its intrinsic size is 0. 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableWidth = -1; 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableHeight = -1; 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = h = 0; 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = mDrawableWidth; 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project h = mDrawableHeight; 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w <= 0) w = 1; 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (h <= 0) h = 1; 7759e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are supposed to adjust view bounds to match the aspect 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ratio of our drawable. See if that is possible. 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAdjustViewBounds) { 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeWidth = widthSpecMode != MeasureSpec.EXACTLY; 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeHeight = heightSpecMode != MeasureSpec.EXACTLY; 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7829e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy desiredAspect = (float) w / (float) h; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pleft = mPaddingLeft; 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pright = mPaddingRight; 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ptop = mPaddingTop; 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pbottom = mPaddingBottom; 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int widthSize; 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int heightSize; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (resizeWidth || resizeHeight) { 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* If we get here, it means we want to resize to match the 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawables aspect ratio, and we have the freedom to change at 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project least one dimension. 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get the max possible width given our constraints 8019e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy widthSize = resolveAdjustedSize(w + pleft + pright, mMaxWidth, widthMeasureSpec); 8029e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get the max possible height given our constraints 8049e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy heightSize = resolveAdjustedSize(h + ptop + pbottom, mMaxHeight, heightMeasureSpec); 8059e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (desiredAspect != 0.0f) { 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See what our actual aspect ratio is 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float actualAspect = (float)(widthSize - pleft - pright) / 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (heightSize - ptop - pbottom); 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Math.abs(actualAspect - desiredAspect) > 0.0000001) { 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean done = false; 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Try adjusting width to be proportional to height 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (resizeWidth) { 8179e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy int newWidth = (int)(desiredAspect * (heightSize - ptop - pbottom)) + 8189e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy pleft + pright; 819d5edc7721791ad807b9a8fbd923b8d6e73c399ccAdam Powell 820d5edc7721791ad807b9a8fbd923b8d6e73c399ccAdam Powell // Allow the width to outgrow its original estimate if height is fixed. 8217da4b73a236b7c72d1337696949df7a00776dd06Adam Powell if (!resizeHeight && !mAdjustViewBoundsCompat) { 822d5edc7721791ad807b9a8fbd923b8d6e73c399ccAdam Powell widthSize = resolveAdjustedSize(newWidth, mMaxWidth, widthMeasureSpec); 823d5edc7721791ad807b9a8fbd923b8d6e73c399ccAdam Powell } 824d5edc7721791ad807b9a8fbd923b8d6e73c399ccAdam Powell 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newWidth <= widthSize) { 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widthSize = newWidth; 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project done = true; 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Try adjusting height to be proportional to width 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!done && resizeHeight) { 8339e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy int newHeight = (int)((widthSize - pleft - pright) / desiredAspect) + 8349e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy ptop + pbottom; 835d5edc7721791ad807b9a8fbd923b8d6e73c399ccAdam Powell 836d5edc7721791ad807b9a8fbd923b8d6e73c399ccAdam Powell // Allow the height to outgrow its original estimate if width is fixed. 8377da4b73a236b7c72d1337696949df7a00776dd06Adam Powell if (!resizeWidth && !mAdjustViewBoundsCompat) { 838d5edc7721791ad807b9a8fbd923b8d6e73c399ccAdam Powell heightSize = resolveAdjustedSize(newHeight, mMaxHeight, 839d5edc7721791ad807b9a8fbd923b8d6e73c399ccAdam Powell heightMeasureSpec); 840d5edc7721791ad807b9a8fbd923b8d6e73c399ccAdam Powell } 841d5edc7721791ad807b9a8fbd923b8d6e73c399ccAdam Powell 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newHeight <= heightSize) { 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project heightSize = newHeight; 844189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn } 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* We are either don't want to preserve the drawables aspect ratio, 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project or we are not allowed to change view dimensions. Just measure in 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project the normal way. 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w += pleft + pright; 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project h += ptop + pbottom; 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = Math.max(w, getSuggestedMinimumWidth()); 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project h = Math.max(h, getSuggestedMinimumHeight()); 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn widthSize = resolveSizeAndState(w, widthMeasureSpec, 0); 860189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn heightSize = resolveSizeAndState(h, heightMeasureSpec, 0); 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setMeasuredDimension(widthSize, heightSize); 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int resolveAdjustedSize(int desiredSize, int maxSize, 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int measureSpec) { 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int result = desiredSize; 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specMode = MeasureSpec.getMode(measureSpec); 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specSize = MeasureSpec.getSize(measureSpec); 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (specMode) { 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.UNSPECIFIED: 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Parent says we can be as big as we want. Just don't be larger 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project than max size imposed on ourselves. 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = Math.min(desiredSize, maxSize); 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.AT_MOST: 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Parent says we can be as big as we want, up to specSize. 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't be larger than specSize, and don't be larger than 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the max size imposed on ourselves. 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = Math.min(Math.min(desiredSize, specSize), maxSize); 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.EXACTLY: 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No choice. Do what we are told. 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = specSize; 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean setFrame(int l, int t, int r, int b) { 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean changed = super.setFrame(l, t, r, b); 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveFrame = true; 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project configureBounds(); 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return changed; 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void configureBounds() { 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable == null || !mHaveFrame) { 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dwidth = mDrawableWidth; 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dheight = mDrawableHeight; 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int vwidth = getWidth() - mPaddingLeft - mPaddingRight; 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int vheight = getHeight() - mPaddingTop - mPaddingBottom; 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean fits = (dwidth < 0 || vwidth == dwidth) && 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (dheight < 0 || vheight == dheight); 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dwidth <= 0 || dheight <= 0 || ScaleType.FIT_XY == mScaleType) { 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* If the drawable has no intrinsic size, or we're told to 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scaletofit, then we just fill our entire view. 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setBounds(0, 0, vwidth, vheight); 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = null; 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We need to do the scaling ourself, so have the drawable 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // use its native size. 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setBounds(0, 0, dwidth, dheight); 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ScaleType.MATRIX == mScaleType) { 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use the specified matrix as-is. 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMatrix.isIdentity()) { 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = null; 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (fits) { 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The bitmap fits exactly, no transform needed. 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = null; 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (ScaleType.CENTER == mScaleType) { 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Center bitmap in view, no scaling. 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 938b4938201bad1050a5e3821d60ea43e71861cc733Romain Guy mDrawMatrix.setTranslate((int) ((vwidth - dwidth) * 0.5f + 0.5f), 939b4938201bad1050a5e3821d60ea43e71861cc733Romain Guy (int) ((vheight - dheight) * 0.5f + 0.5f)); 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (ScaleType.CENTER_CROP == mScaleType) { 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float scale; 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dx = 0, dy = 0; 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dwidth * vheight > vwidth * dheight) { 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale = (float) vheight / (float) dheight; 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dx = (vwidth - dwidth * scale) * 0.5f; 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale = (float) vwidth / (float) dwidth; 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dy = (vheight - dheight * scale) * 0.5f; 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix.setScale(scale, scale); 955b4938201bad1050a5e3821d60ea43e71861cc733Romain Guy mDrawMatrix.postTranslate((int) (dx + 0.5f), (int) (dy + 0.5f)); 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (ScaleType.CENTER_INSIDE == mScaleType) { 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float scale; 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dx; 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dy; 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dwidth <= vwidth && dheight <= vheight) { 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale = 1.0f; 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9659e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy scale = Math.min((float) vwidth / (float) dwidth, 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (float) vheight / (float) dheight); 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969b4938201bad1050a5e3821d60ea43e71861cc733Romain Guy dx = (int) ((vwidth - dwidth * scale) * 0.5f + 0.5f); 970b4938201bad1050a5e3821d60ea43e71861cc733Romain Guy dy = (int) ((vheight - dheight * scale) * 0.5f + 0.5f); 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix.setScale(scale, scale); 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix.postTranslate(dx, dy); 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Generate the required transform. 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTempSrc.set(0, 0, dwidth, dheight); 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTempDst.set(0, 0, vwidth, vheight); 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 9809e648c44dee1e86e7839292feac9d49b3f3c8ce4Romain Guy mDrawMatrix.setRectToRect(mTempSrc, mTempDst, scaleTypeToScaleToFit(mScaleType)); 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void drawableStateChanged() { 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.drawableStateChanged(); 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = mDrawable; 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d.isStateful()) { 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setState(getDrawableState()); 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDraw(Canvas canvas) { 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDraw(canvas); 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable == null) { 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // couldn't resolve the URI 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawableWidth == 0 || mDrawableHeight == 0) { 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // nothing to draw (empty bounds) 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawMatrix == null && mPaddingTop == 0 && mPaddingLeft == 0) { 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.draw(canvas); 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int saveCount = canvas.getSaveCount(); 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.save(); 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCropToPadding) { 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollX = mScrollX; 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollY = mScrollY; 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.clipRect(scrollX + mPaddingLeft, scrollY + mPaddingTop, 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollX + mRight - mLeft - mPaddingRight, 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollY + mBottom - mTop - mPaddingBottom); 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(mPaddingLeft, mPaddingTop); 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawMatrix != null) { 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.concat(mDrawMatrix); 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.draw(canvas); 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restoreToCount(saveCount); 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1030fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato /** 1031fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * <p>Return the offset of the widget's text baseline from the widget's top 1032fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * boundary. </p> 1033fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * 1034fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * @return the offset of the baseline within the widget's bounds or -1 1035fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * if baseline alignment is not supported. 1036fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato */ 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1038fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato @ViewDebug.ExportedProperty(category = "layout") 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getBaseline() { 1040fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato if (mBaselineAlignBottom) { 1041fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato return getMeasuredHeight(); 1042fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato } else { 1043fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato return mBaseline; 1044fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato } 1045fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato } 1046fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato 1047fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato /** 1048fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * <p>Set the offset of the widget's text baseline from the widget's top 10499fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * boundary. This value is overridden by the {@link #setBaselineAlignBottom(boolean)} 1050fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * property.</p> 1051fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * 1052fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * @param baseline The baseline to use, or -1 if none is to be provided. 1053fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * 10549fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * @see #setBaseline(int) 1055fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * @attr ref android.R.styleable#ImageView_baseline 1056fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato */ 1057fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato public void setBaseline(int baseline) { 1058fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato if (mBaseline != baseline) { 1059fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato mBaseline = baseline; 1060fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato requestLayout(); 1061fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato } 1062fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato } 1063fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato 1064fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato /** 1065fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * Set whether to set the baseline of this view to the bottom of the view. 1066fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * Setting this value overrides any calls to setBaseline. 1067fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * 1068fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * @param aligned If true, the image view will be baseline aligned with 1069fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * based on its bottom edge. 1070fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * 1071fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * @attr ref android.R.styleable#ImageView_baselineAlignBottom 1072fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato */ 1073fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato public void setBaselineAlignBottom(boolean aligned) { 1074fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato if (mBaselineAlignBottom != aligned) { 1075fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato mBaselineAlignBottom = aligned; 1076fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato requestLayout(); 1077fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato } 1078fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato } 1079fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato 1080fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato /** 1081fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * Return whether this view's baseline will be considered the bottom of the view. 1082fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * 1083fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * @see #setBaselineAlignBottom(boolean) 1084fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato */ 1085fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato public boolean getBaselineAlignBottom() { 1086fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato return mBaselineAlignBottom; 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 108875986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set a tinting option for the image. 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param color Color tint to apply. 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode How to apply the color. The standard mode is 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link PorterDuff.Mode#SRC_ATOP} 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_tint 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setColorFilter(int color, PorterDuff.Mode mode) { 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setColorFilter(new PorterDuffColorFilter(color, mode)); 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11022b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey /** 11032b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey * Set a tinting option for the image. Assumes 11042b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey * {@link PorterDuff.Mode#SRC_ATOP} blending mode. 11052b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey * 11062b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey * @param color Color tint to apply. 11072b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey * @attr ref android.R.styleable#ImageView_tint 11082b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey */ 11092b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey @RemotableViewMethod 11102b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey public final void setColorFilter(int color) { 11112b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey setColorFilter(color, PorterDuff.Mode.SRC_ATOP); 11122b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey } 11132b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void clearColorFilter() { 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setColorFilter(null); 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1117aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne 1118aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne /** 1119aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * Returns the active color filter for this ImageView. 1120aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 1121aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @return the active color filter for this ImageView 1122aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 1123aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @see #setColorFilter(android.graphics.ColorFilter) 1124aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne */ 1125aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne public ColorFilter getColorFilter() { 1126aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne return mColorFilter; 1127aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne } 1128aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Apply an arbitrary colorfilter to the image. 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cf the colorfilter to apply (may be null) 1133aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 1134aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @see #getColorFilter() 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setColorFilter(ColorFilter cf) { 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColorFilter != cf) { 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColorFilter = cf; 11392b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey mColorMod = true; 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project applyColorMod(); 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 114475986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov 1145aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne /** 1146aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * Returns the alpha that will be applied to the drawable of this ImageView. 1147aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 1148aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @return the alpha that will be applied to the drawable of this ImageView 1149aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 1150aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @see #setImageAlpha(int) 1151aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne */ 1152aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne public int getImageAlpha() { 1153aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne return mAlpha; 1154aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne } 1155aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne 1156aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne /** 1157aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * Sets the alpha value that should be applied to the image. 1158aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 1159aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @param alpha the alpha value that should be applied to the image 1160aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 1161aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @see #getImageAlpha() 1162aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne */ 1163aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne @RemotableViewMethod 1164aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne public void setImageAlpha(int alpha) { 1165aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne setAlpha(alpha); 1166aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne } 1167aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne 1168aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne /** 1169aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * Sets the alpha value that should be applied to the image. 1170aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 1171aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @param alpha the alpha value that should be applied to the image 1172aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * 1173aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne * @deprecated use #setImageAlpha(int) instead 1174aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne */ 1175aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne @Deprecated 11762b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey @RemotableViewMethod 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAlpha(int alpha) { 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alpha &= 0xFF; // keep it legal 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAlpha != alpha) { 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlpha = alpha; 11812b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey mColorMod = true; 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project applyColorMod(); 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void applyColorMod() { 11882b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey // Only mutate and apply when modifications have occurred. This should 11892b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey // not reset the mColorMod flag, since these filters need to be 11902b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey // re-applied if the Drawable is changed. 11912b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey if (mDrawable != null && mColorMod) { 11922b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey mDrawable = mDrawable.mutate(); 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setColorFilter(mColorFilter); 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setAlpha(mAlpha * mViewAlphaScale >> 8); 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 119737419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell 1198b241b4c6ab8dc6174375b6f18f83e04f569b299fAdam Powell @RemotableViewMethod 119937419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell @Override 120037419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell public void setVisibility(int visibility) { 120137419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell super.setVisibility(visibility); 120237419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell if (mDrawable != null) { 120337419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell mDrawable.setVisible(visibility == VISIBLE, false); 120437419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell } 120537419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell } 120637419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell 120737419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell @Override 12086a939ae6fd7d130a3dc9b011877eac4e280c0546Adam Powell protected void onAttachedToWindow() { 120937419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell super.onAttachedToWindow(); 121037419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell if (mDrawable != null) { 121137419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell mDrawable.setVisible(getVisibility() == VISIBLE, false); 121237419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell } 121337419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell } 121437419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell 121537419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell @Override 12166a939ae6fd7d130a3dc9b011877eac4e280c0546Adam Powell protected void onDetachedFromWindow() { 121737419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell super.onDetachedFromWindow(); 121837419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell if (mDrawable != null) { 121937419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell mDrawable.setVisible(false, false); 122037419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell } 122137419d7321e71edb179faa0eafd2a2acf12b62c1Adam Powell } 12228a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov 12238a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov @Override 12248a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov public void onInitializeAccessibilityEvent(AccessibilityEvent event) { 12258a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov super.onInitializeAccessibilityEvent(event); 12268a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov event.setClassName(ImageView.class.getName()); 12278a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov } 12288a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov 12298a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov @Override 12308a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { 12318a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov super.onInitializeAccessibilityNodeInfo(info); 12328a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov info.setClassName(ImageView.class.getName()); 12338a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov } 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1235