ImageView.java revision 2a0e99da03ae85d18c9f35913e7dd04b94c1cf41
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; 336179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganovimport android.text.TextUtils; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 362b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkeyimport android.view.RemotableViewMethod; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 38fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onoratoimport android.view.ViewDebug; 396179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganovimport android.view.accessibility.AccessibilityEvent; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.RemoteViews.RemoteView; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Displays an arbitrary image, such as an icon. The ImageView class 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can load images from various sources (such as resources or content 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * providers), takes care of computing its measurement from the image so that 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it can be used in any layout manager, and provides various display options 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * such as scaling and tinting. 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_adjustViewBounds 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_src 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_maxWidth 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_maxHeight 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_tint 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_scaleType 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_cropToPadding 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project@RemoteView 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class ImageView extends View { 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // settable by the client 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Uri mUri; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mResource = 0; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Matrix mMatrix; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ScaleType mScaleType; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mHaveFrame = false; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mAdjustViewBounds = false; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mMaxWidth = Integer.MAX_VALUE; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mMaxHeight = Integer.MAX_VALUE; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // these are applied to the drawable 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ColorFilter mColorFilter; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mAlpha = 255; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mViewAlphaScale = 256; 732b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey private boolean mColorMod = false; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Drawable mDrawable = null; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mState = null; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mMergeState = false; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLevel = 0; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mDrawableWidth; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mDrawableHeight; 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Matrix mDrawMatrix = null; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Avoid allocations... 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RectF mTempSrc = new RectF(); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RectF mTempDst = new RectF(); 862a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell private float[] mTempPoints; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mCropToPadding; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 90fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato private int mBaseline = -1; 91fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato private boolean mBaselineAlignBottom = false; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final ScaleType[] sScaleTypeArray = { 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.MATRIX, 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.FIT_XY, 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.FIT_START, 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.FIT_CENTER, 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.FIT_END, 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.CENTER, 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.CENTER_CROP, 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.CENTER_INSIDE 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ImageView(Context context) { 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initImageView(); 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ImageView(Context context, AttributeSet attrs) { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, attrs, 0); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ImageView(Context context, AttributeSet attrs, int defStyle) { 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, defStyle); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initImageView(); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView, defStyle, 0); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = a.getDrawable(com.android.internal.R.styleable.ImageView_src); 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setImageDrawable(d); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 125fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato mBaselineAlignBottom = a.getBoolean( 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView_baselineAlignBottom, false); 127fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato 128fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato mBaseline = a.getDimensionPixelSize( 129fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato com.android.internal.R.styleable.ImageView_baseline, -1); 130fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAdjustViewBounds( 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.getBoolean(com.android.internal.R.styleable.ImageView_adjustViewBounds, 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project false)); 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setMaxWidth(a.getDimensionPixelSize( 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView_maxWidth, Integer.MAX_VALUE)); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setMaxHeight(a.getDimensionPixelSize( 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView_maxHeight, Integer.MAX_VALUE)); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = a.getInt(com.android.internal.R.styleable.ImageView_scaleType, -1); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >= 0) { 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setScaleType(sScaleTypeArray[index]); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int tint = a.getInt(com.android.internal.R.styleable.ImageView_tint, 0); 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tint != 0) { 1482b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey setColorFilter(tint); 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCropToPadding = a.getBoolean( 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView_cropToPadding, false); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //need inflate syntax/reader for matrix 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void initImageView() { 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMatrix = new Matrix(); 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleType = ScaleType.FIT_CENTER; 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean verifyDrawable(Drawable dr) { 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawable == dr || super.verifyDrawable(dr); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 170e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn public void jumpDrawablesToCurrentState() { 171e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn super.jumpDrawablesToCurrentState(); 172e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn if (mDrawable != null) mDrawable.jumpToCurrentState(); 173e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn } 174e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn 175e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn @Override 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void invalidateDrawable(Drawable dr) { 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dr == mDrawable) { 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* we invalidate the whole view in this case because it's very 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hard to know where the drawable actually is. This is made 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * complicated because of the offsets and transformations that 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can be applied. In theory we could get the drawable's bounds 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and run them through the transformation and offsets, but this 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is probably not worth the effort. 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.invalidateDrawable(dr); 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 190fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato 191c0053223bedf33581b0830fb87be32c1f26e5372Fabrice Di Meglio /** 192c0053223bedf33581b0830fb87be32c1f26e5372Fabrice Di Meglio * @hide 193c0053223bedf33581b0830fb87be32c1f26e5372Fabrice Di Meglio */ 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 195c0053223bedf33581b0830fb87be32c1f26e5372Fabrice Di Meglio public int getResolvedLayoutDirection(Drawable dr) { 196c0053223bedf33581b0830fb87be32c1f26e5372Fabrice Di Meglio return (dr == mDrawable) ? 197c0053223bedf33581b0830fb87be32c1f26e5372Fabrice Di Meglio getResolvedLayoutDirection() : super.getResolvedLayoutDirection(dr); 1986a03640539405afbdefe72894759281b98aa6e6fFabrice Di Meglio } 1996a03640539405afbdefe72894759281b98aa6e6fFabrice Di Meglio 2006a03640539405afbdefe72894759281b98aa6e6fFabrice Di Meglio @Override 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean onSetAlpha(int alpha) { 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getBackground() == null) { 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int scale = alpha + (alpha >> 7); 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewAlphaScale != scale) { 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mViewAlphaScale = scale; 20642c79880b0c19dfbcd8589d89d35fcedb1a7c9daRomain Guy mColorMod = true; 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project applyColorMod(); 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2136179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov 2146179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov @Override 2156179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov public void onPopulateAccessibilityEvent(AccessibilityEvent event) { 2166179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov CharSequence contentDescription = getContentDescription(); 2176179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov if (!TextUtils.isEmpty(contentDescription)) { 2186179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov event.getText().add(contentDescription); 2196179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov } 2206179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov } 2216179ea3196e9306d3f14361fe9ef14191b1edba6Svetoslav Ganov 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set this to true if you want the ImageView to adjust its bounds 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to preserve the aspect ratio of its drawable. 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param adjustViewBounds Whether to adjust the bounds of this view 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to presrve the original aspect ratio of the drawable 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_adjustViewBounds 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAdjustViewBounds(boolean adjustViewBounds) { 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAdjustViewBounds = adjustViewBounds; 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (adjustViewBounds) { 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setScaleType(ScaleType.FIT_CENTER); 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An optional argument to supply a maximum width for this view. Only valid if 2409fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * {@link #setAdjustViewBounds(boolean)} has been set to true. To set an image to be a maximum 2419fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * of 100 x 100 while preserving the original aspect ratio, do the following: 1) set 2429fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * adjustViewBounds to true 2) set maxWidth and maxHeight to 100 3) set the height and width 2439fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * layout params to WRAP_CONTENT. 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note that this view could be still smaller than 100 x 100 using this approach if the original 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * image is small. To set an image to a fixed size, specify that size in the layout params and 2489fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * then use {@link #setScaleType(android.widget.ImageView.ScaleType)} to determine how to fit 2499fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * the image within the bounds. 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param maxWidth maximum width for this view 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_maxWidth 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setMaxWidth(int maxWidth) { 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaxWidth = maxWidth; 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An optional argument to supply a maximum height for this view. Only valid if 2639fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * {@link #setAdjustViewBounds(boolean)} has been set to true. To set an image to be a 2649fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * maximum of 100 x 100 while preserving the original aspect ratio, do the following: 1) set 2659fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * adjustViewBounds to true 2) set maxWidth and maxHeight to 100 3) set the height and width 2669fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * layout params to WRAP_CONTENT. 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note that this view could be still smaller than 100 x 100 using this approach if the original 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * image is small. To set an image to a fixed size, specify that size in the layout params and 2719fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * then use {@link #setScaleType(android.widget.ImageView.ScaleType)} to determine how to fit 2729fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * the image within the bounds. 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param maxHeight maximum height for this view 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_maxHeight 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setMaxHeight(int maxHeight) { 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaxHeight = maxHeight; 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Return the view's drawable, or null if no drawable has been 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assigned. 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable getDrawable() { 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawable; 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a drawable as the content of this ImageView. 293c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * 294c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * <p class="note">This does Bitmap reading and decoding on the UI 295c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * thread, which can cause a latency hiccup. If that's a concern, 2969fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * consider using {@link #setImageDrawable(android.graphics.drawable.Drawable)} or 2979fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * {@link #setImageBitmap(android.graphics.Bitmap)} and 298c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * {@link android.graphics.BitmapFactory} instead.</p> 299c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param resId the resource identifier of the the drawable 301c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_src 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageResource(int resId) { 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mUri != null || mResource != resId) { 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateDrawable(null); 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResource = resId; 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = null; 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolveUri(); 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the content of this ImageView to the specified Uri. 318c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * 319c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * <p class="note">This does Bitmap reading and decoding on the UI 320c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * thread, which can cause a latency hiccup. If that's a concern, 3219fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * consider using {@link #setImageDrawable(android.graphics.drawable.Drawable)} or 3229fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * {@link #setImageBitmap(android.graphics.Bitmap)} and 323c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * {@link android.graphics.BitmapFactory} instead.</p> 324c6b0b7755c7932136c3bcdadfb56657f1f611465Brad Fitzpatrick * 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param uri The Uri of an image 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageURI(Uri uri) { 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResource != 0 || 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (mUri != uri && 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (uri == null || mUri == null || !uri.equals(mUri)))) { 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateDrawable(null); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResource = 0; 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = uri; 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolveUri(); 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a drawable as the content of this ImageView. 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param drawable The drawable to set 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageDrawable(Drawable drawable) { 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != drawable) { 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResource = 0; 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = null; 3502a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell int oldWidth = mDrawableWidth; 3512a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell int oldHeight = mDrawableHeight; 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateDrawable(drawable); 3532a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell 3542a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell boolean needsLayout; 3552a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell if (mScaleType == ScaleType.CENTER) { 3562a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell needsLayout = mDrawableWidth != oldWidth || mDrawableHeight != oldHeight; 3572a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell } else { 3582a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell if (mTempPoints == null) { 3592a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell mTempPoints = new float[4]; 3602a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell } 3612a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell float[] points = mTempPoints; 3622a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell points[0] = oldWidth; 3632a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell points[1] = oldHeight; 3642a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell points[2] = mDrawableWidth; 3652a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell points[3] = mDrawableHeight; 3662a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell if (!mMatrix.isIdentity()) { 3672a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell mMatrix.mapPoints(points); 3682a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell } 3692a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell needsLayout = points[0] != points[2] || points[1] != points[3]; 3702a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell } 3712a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell 3722a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell if (needsLayout) { 3732a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell requestLayout(); 3742a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell } 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a Bitmap as the content of this ImageView. 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bm The bitmap to set 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageBitmap(Bitmap bm) { 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if this is used frequently, may handle bitmaps explicitly 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to reduce the intermediate drawable object 38811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn setImageDrawable(new BitmapDrawable(mContext.getResources(), bm)); 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageState(int[] state, boolean merge) { 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = state; 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMergeState = merge; 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != null) { 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project refreshDrawableState(); 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeFromDrawable(); 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelected(boolean selected) { 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.setSelected(selected); 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeFromDrawable(); 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4064df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project /** 4074df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Sets the image level, when it is constructed from a 4084df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * {@link android.graphics.drawable.LevelListDrawable}. 4094df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * 4104df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * @param level The new level for the image. 4114df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project */ 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageLevel(int level) { 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLevel = level; 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != null) { 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setLevel(level); 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeFromDrawable(); 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Options for scaling the bounds of an image to the bounds of this view. 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum ScaleType { 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale using the image matrix when drawing. The image matrix can be set using 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link ImageView#setImageMatrix(Matrix)}. From XML, use this syntax: 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <code>android:scaleType="matrix"</code>. 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MATRIX (0), 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image using {@link Matrix.ScaleToFit#FILL}. 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="fitXY"</code>. 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FIT_XY (1), 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image using {@link Matrix.ScaleToFit#START}. 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="fitStart"</code>. 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FIT_START (2), 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image using {@link Matrix.ScaleToFit#CENTER}. 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <code>android:scaleType="fitCenter"</code>. 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FIT_CENTER (3), 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image using {@link Matrix.ScaleToFit#END}. 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="fitEnd"</code>. 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FIT_END (4), 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Center the image in the view, but perform no scaling. 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="center"</code>. 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CENTER (5), 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image uniformly (maintain the image's aspect ratio) so 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that both dimensions (width and height) of the image will be equal 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to or larger than the corresponding dimension of the view 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (minus padding). The image is then centered in the view. 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="centerCrop"</code>. 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CENTER_CROP (6), 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image uniformly (maintain the image's aspect ratio) so 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that both dimensions (width and height) of the image will be equal 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to or less than the corresponding dimension of the view 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (minus padding). The image is then centered in the view. 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="centerInside"</code>. 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CENTER_INSIDE (7); 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType(int ni) { 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeInt = ni; 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int nativeInt; 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Controls how the image should be resized or moved to match the size 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of this ImageView. 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param scaleType The desired scaling mode. 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_scaleType 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setScaleType(ScaleType scaleType) { 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (scaleType == null) { 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScaleType != scaleType) { 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleType = scaleType; 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setWillNotCacheDrawing(mScaleType == ScaleType.CENTER); 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the current scale type in use by this ImageView. 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see ImageView.ScaleType 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_scaleType 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ScaleType getScaleType() { 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScaleType; 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Return the view's optional matrix. This is applied to the 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view's drawable when it is drawn. If there is not matrix, 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this method will return null. 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Do not change this matrix in place. If you want a different matrix 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project applied to the drawable, be sure to call setImageMatrix(). 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Matrix getImageMatrix() { 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMatrix; 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageMatrix(Matrix matrix) { 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // collaps null and identity to just null 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (matrix != null && matrix.isIdentity()) { 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matrix = null; 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't invalidate unless we're actually changing our matrix 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (matrix == null && !mMatrix.isIdentity() || 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matrix != null && !mMatrix.equals(matrix)) { 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMatrix.set(matrix); 534f88872655e85570f3b9bfebe78647ed36916b3f4Chih-Chung Chang configureBounds(); 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void resolveUri() { 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != null) { 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Resources rsrc = getResources(); 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rsrc == null) { 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = null; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResource != 0) { 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d = rsrc.getDrawable(mResource); 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (Exception e) { 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.w("ImageView", "Unable to find resource: " + mResource, e); 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't try again. 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = null; 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mUri != null) { 5600f8555b72861b7b9a233ab65b14055c98b145c91Bjorn Bringert String scheme = mUri.getScheme(); 5619d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert if (ContentResolver.SCHEME_ANDROID_RESOURCE.equals(scheme)) { 5629d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert try { 5639d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert // Load drawable through Resources, to get the source density information 5649d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert ContentResolver.OpenResourceIdResult r = 5659d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert mContext.getContentResolver().getResourceId(mUri); 5669d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert d = r.r.getDrawable(r.id); 5679d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert } catch (Exception e) { 5689d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert Log.w("ImageView", "Unable to open content: " + mUri, e); 5699d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert } 5709d8d9c22bb98e656cb2e42673c4ba801821c4e5dBjorn Bringert } else if (ContentResolver.SCHEME_CONTENT.equals(scheme) 5710f8555b72861b7b9a233ab65b14055c98b145c91Bjorn Bringert || ContentResolver.SCHEME_FILE.equals(scheme)) { 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d = Drawable.createFromStream( 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContext.getContentResolver().openInputStream(mUri), 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project null); 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (Exception e) { 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.w("ImageView", "Unable to open content: " + mUri, e); 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d = Drawable.createFromPath(mUri.toString()); 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d == null) { 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println("resolveUri failed on bad bitmap uri: " 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + mUri); 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't try again. 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = null; 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateDrawable(d); 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int[] onCreateDrawableState(int extraSpace) { 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState == null) { 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onCreateDrawableState(extraSpace); 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (!mMergeState) { 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mState; 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mergeDrawableStates( 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onCreateDrawableState(extraSpace + mState.length), mState); 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void updateDrawable(Drawable d) { 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != null) { 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setCallback(null); 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unscheduleDrawable(mDrawable); 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable = d; 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setCallback(this); 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d.isStateful()) { 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setState(getDrawableState()); 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setLevel(mLevel); 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableWidth = d.getIntrinsicWidth(); 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableHeight = d.getIntrinsicHeight(); 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project applyColorMod(); 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project configureBounds(); 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void resizeFromDrawable() { 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = mDrawable; 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int w = d.getIntrinsicWidth(); 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w < 0) w = mDrawableWidth; 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int h = d.getIntrinsicHeight(); 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (h < 0) h = mDrawableHeight; 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w != mDrawableWidth || h != mDrawableHeight) { 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableWidth = w; 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableHeight = h; 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final Matrix.ScaleToFit[] sS2FArray = { 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix.ScaleToFit.FILL, 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix.ScaleToFit.START, 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix.ScaleToFit.CENTER, 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix.ScaleToFit.END 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static Matrix.ScaleToFit scaleTypeToScaleToFit(ScaleType st) { 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ScaleToFit enum to their corresponding Matrix.ScaleToFit values 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sS2FArray[st.nativeInt - 1]; 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolveUri(); 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int w; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int h; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Desired aspect ratio of the view's contents (not including padding) 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float desiredAspect = 0.0f; 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are allowed to change the view's width 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean resizeWidth = false; 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are allowed to change the view's height 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean resizeHeight = false; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6692a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell final int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 6702a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell final int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 6712a0e99da03ae85d18c9f35913e7dd04b94c1cf41Adam Powell 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable == null) { 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If no drawable, its intrinsic size is 0. 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableWidth = -1; 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableHeight = -1; 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = h = 0; 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = mDrawableWidth; 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project h = mDrawableHeight; 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w <= 0) w = 1; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (h <= 0) h = 1; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are supposed to adjust view bounds to match the aspect 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ratio of our drawable. See if that is possible. 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAdjustViewBounds) { 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeWidth = widthSpecMode != MeasureSpec.EXACTLY; 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeHeight = heightSpecMode != MeasureSpec.EXACTLY; 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project desiredAspect = (float)w/(float)h; 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pleft = mPaddingLeft; 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pright = mPaddingRight; 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ptop = mPaddingTop; 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pbottom = mPaddingBottom; 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int widthSize; 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int heightSize; 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (resizeWidth || resizeHeight) { 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* If we get here, it means we want to resize to match the 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawables aspect ratio, and we have the freedom to change at 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project least one dimension. 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get the max possible width given our constraints 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widthSize = resolveAdjustedSize(w + pleft + pright, 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaxWidth, widthMeasureSpec); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get the max possible height given our constraints 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project heightSize = resolveAdjustedSize(h + ptop + pbottom, 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaxHeight, heightMeasureSpec); 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (desiredAspect != 0.0f) { 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See what our actual aspect ratio is 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float actualAspect = (float)(widthSize - pleft - pright) / 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (heightSize - ptop - pbottom); 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Math.abs(actualAspect - desiredAspect) > 0.0000001) { 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean done = false; 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Try adjusting width to be proportional to height 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (resizeWidth) { 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newWidth = (int)(desiredAspect * 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (heightSize - ptop - pbottom)) 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + pleft + pright; 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newWidth <= widthSize) { 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widthSize = newWidth; 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project done = true; 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Try adjusting height to be proportional to width 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!done && resizeHeight) { 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newHeight = (int)((widthSize - pleft - pright) 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project / desiredAspect) + ptop + pbottom; 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newHeight <= heightSize) { 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project heightSize = newHeight; 741189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn } 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* We are either don't want to preserve the drawables aspect ratio, 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project or we are not allowed to change view dimensions. Just measure in 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project the normal way. 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w += pleft + pright; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project h += ptop + pbottom; 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = Math.max(w, getSuggestedMinimumWidth()); 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project h = Math.max(h, getSuggestedMinimumHeight()); 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 756189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn widthSize = resolveSizeAndState(w, widthMeasureSpec, 0); 757189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn heightSize = resolveSizeAndState(h, heightMeasureSpec, 0); 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setMeasuredDimension(widthSize, heightSize); 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int resolveAdjustedSize(int desiredSize, int maxSize, 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int measureSpec) { 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int result = desiredSize; 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specMode = MeasureSpec.getMode(measureSpec); 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specSize = MeasureSpec.getSize(measureSpec); 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (specMode) { 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.UNSPECIFIED: 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Parent says we can be as big as we want. Just don't be larger 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project than max size imposed on ourselves. 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = Math.min(desiredSize, maxSize); 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.AT_MOST: 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Parent says we can be as big as we want, up to specSize. 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't be larger than specSize, and don't be larger than 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the max size imposed on ourselves. 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = Math.min(Math.min(desiredSize, specSize), maxSize); 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.EXACTLY: 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No choice. Do what we are told. 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = specSize; 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean setFrame(int l, int t, int r, int b) { 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean changed = super.setFrame(l, t, r, b); 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveFrame = true; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project configureBounds(); 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return changed; 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void configureBounds() { 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable == null || !mHaveFrame) { 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dwidth = mDrawableWidth; 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dheight = mDrawableHeight; 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int vwidth = getWidth() - mPaddingLeft - mPaddingRight; 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int vheight = getHeight() - mPaddingTop - mPaddingBottom; 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean fits = (dwidth < 0 || vwidth == dwidth) && 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (dheight < 0 || vheight == dheight); 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dwidth <= 0 || dheight <= 0 || ScaleType.FIT_XY == mScaleType) { 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* If the drawable has no intrinsic size, or we're told to 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scaletofit, then we just fill our entire view. 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setBounds(0, 0, vwidth, vheight); 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = null; 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We need to do the scaling ourself, so have the drawable 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // use its native size. 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setBounds(0, 0, dwidth, dheight); 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ScaleType.MATRIX == mScaleType) { 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use the specified matrix as-is. 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMatrix.isIdentity()) { 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = null; 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (fits) { 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The bitmap fits exactly, no transform needed. 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = null; 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (ScaleType.CENTER == mScaleType) { 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Center bitmap in view, no scaling. 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 835b4938201bad1050a5e3821d60ea43e71861cc733Romain Guy mDrawMatrix.setTranslate((int) ((vwidth - dwidth) * 0.5f + 0.5f), 836b4938201bad1050a5e3821d60ea43e71861cc733Romain Guy (int) ((vheight - dheight) * 0.5f + 0.5f)); 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (ScaleType.CENTER_CROP == mScaleType) { 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float scale; 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dx = 0, dy = 0; 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dwidth * vheight > vwidth * dheight) { 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale = (float) vheight / (float) dheight; 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dx = (vwidth - dwidth * scale) * 0.5f; 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale = (float) vwidth / (float) dwidth; 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dy = (vheight - dheight * scale) * 0.5f; 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix.setScale(scale, scale); 852b4938201bad1050a5e3821d60ea43e71861cc733Romain Guy mDrawMatrix.postTranslate((int) (dx + 0.5f), (int) (dy + 0.5f)); 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (ScaleType.CENTER_INSIDE == mScaleType) { 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float scale; 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dx; 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dy; 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dwidth <= vwidth && dheight <= vheight) { 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale = 1.0f; 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale = Math.min((float) vwidth / (float) dwidth, 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (float) vheight / (float) dheight); 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 866b4938201bad1050a5e3821d60ea43e71861cc733Romain Guy dx = (int) ((vwidth - dwidth * scale) * 0.5f + 0.5f); 867b4938201bad1050a5e3821d60ea43e71861cc733Romain Guy dy = (int) ((vheight - dheight * scale) * 0.5f + 0.5f); 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix.setScale(scale, scale); 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix.postTranslate(dx, dy); 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Generate the required transform. 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTempSrc.set(0, 0, dwidth, dheight); 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTempDst.set(0, 0, vwidth, vheight); 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix.setRectToRect(mTempSrc, mTempDst, 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scaleTypeToScaleToFit(mScaleType)); 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void drawableStateChanged() { 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.drawableStateChanged(); 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = mDrawable; 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d.isStateful()) { 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setState(getDrawableState()); 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDraw(Canvas canvas) { 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDraw(canvas); 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable == null) { 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // couldn't resolve the URI 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawableWidth == 0 || mDrawableHeight == 0) { 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // nothing to draw (empty bounds) 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawMatrix == null && mPaddingTop == 0 && mPaddingLeft == 0) { 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.draw(canvas); 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int saveCount = canvas.getSaveCount(); 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.save(); 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCropToPadding) { 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollX = mScrollX; 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollY = mScrollY; 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.clipRect(scrollX + mPaddingLeft, scrollY + mPaddingTop, 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollX + mRight - mLeft - mPaddingRight, 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollY + mBottom - mTop - mPaddingBottom); 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(mPaddingLeft, mPaddingTop); 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawMatrix != null) { 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.concat(mDrawMatrix); 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.draw(canvas); 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restoreToCount(saveCount); 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 928fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato /** 929fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * <p>Return the offset of the widget's text baseline from the widget's top 930fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * boundary. </p> 931fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * 932fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * @return the offset of the baseline within the widget's bounds or -1 933fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * if baseline alignment is not supported. 934fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato */ 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 936fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato @ViewDebug.ExportedProperty(category = "layout") 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getBaseline() { 938fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato if (mBaselineAlignBottom) { 939fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato return getMeasuredHeight(); 940fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato } else { 941fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato return mBaseline; 942fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato } 943fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato } 944fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato 945fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato /** 946fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * <p>Set the offset of the widget's text baseline from the widget's top 9479fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * boundary. This value is overridden by the {@link #setBaselineAlignBottom(boolean)} 948fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * property.</p> 949fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * 950fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * @param baseline The baseline to use, or -1 if none is to be provided. 951fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * 9529fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * @see #setBaseline(int) 953fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * @attr ref android.R.styleable#ImageView_baseline 954fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato */ 955fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato public void setBaseline(int baseline) { 956fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato if (mBaseline != baseline) { 957fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato mBaseline = baseline; 958fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato requestLayout(); 959fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato } 960fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato } 961fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato 962fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato /** 963fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * Set whether to set the baseline of this view to the bottom of the view. 964fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * Setting this value overrides any calls to setBaseline. 965fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * 966fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * @param aligned If true, the image view will be baseline aligned with 967fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * based on its bottom edge. 968fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * 969fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * @attr ref android.R.styleable#ImageView_baselineAlignBottom 970fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato */ 971fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato public void setBaselineAlignBottom(boolean aligned) { 972fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato if (mBaselineAlignBottom != aligned) { 973fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato mBaselineAlignBottom = aligned; 974fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato requestLayout(); 975fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato } 976fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato } 977fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato 978fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato /** 979fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * Return whether this view's baseline will be considered the bottom of the view. 980fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * 981fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato * @see #setBaselineAlignBottom(boolean) 982fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato */ 983fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato public boolean getBaselineAlignBottom() { 984fd52b18d9bf3cd62c7a07058536e9f97db65beeaJoe Onorato return mBaselineAlignBottom; 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 98675986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set a tinting option for the image. 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param color Color tint to apply. 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode How to apply the color. The standard mode is 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link PorterDuff.Mode#SRC_ATOP} 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_tint 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setColorFilter(int color, PorterDuff.Mode mode) { 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setColorFilter(new PorterDuffColorFilter(color, mode)); 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10002b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey /** 10012b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey * Set a tinting option for the image. Assumes 10022b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey * {@link PorterDuff.Mode#SRC_ATOP} blending mode. 10032b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey * 10042b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey * @param color Color tint to apply. 10052b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey * @attr ref android.R.styleable#ImageView_tint 10062b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey */ 10072b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey @RemotableViewMethod 10082b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey public final void setColorFilter(int color) { 10092b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey setColorFilter(color, PorterDuff.Mode.SRC_ATOP); 10102b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey } 10112b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void clearColorFilter() { 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setColorFilter(null); 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Apply an arbitrary colorfilter to the image. 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cf the colorfilter to apply (may be null) 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setColorFilter(ColorFilter cf) { 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColorFilter != cf) { 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColorFilter = cf; 10242b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey mColorMod = true; 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project applyColorMod(); 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 102975986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov 10302b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey @RemotableViewMethod 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAlpha(int alpha) { 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alpha &= 0xFF; // keep it legal 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAlpha != alpha) { 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlpha = alpha; 10352b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey mColorMod = true; 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project applyColorMod(); 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void applyColorMod() { 10422b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey // Only mutate and apply when modifications have occurred. This should 10432b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey // not reset the mColorMod flag, since these filters need to be 10442b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey // re-applied if the Drawable is changed. 10452b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey if (mDrawable != null && mColorMod) { 10462b95c2413838c2e2b127ebab8fb4fead7d52e460Jeff Sharkey mDrawable = mDrawable.mutate(); 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setColorFilter(mColorFilter); 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setAlpha(mAlpha * mViewAlphaScale >> 8); 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1052