ImageView.java revision 0f8555b72861b7b9a233ab65b14055c98b145c91
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; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 3675986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganovimport android.view.accessibility.AccessibilityEvent; 3775986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganovimport android.view.accessibility.AccessibilityManager; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.RemoteViews.RemoteView; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Displays an arbitrary image, such as an icon. The ImageView class 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can load images from various sources (such as resources or content 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * providers), takes care of computing its measurement from the image so that 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it can be used in any layout manager, and provides various display options 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * such as scaling and tinting. 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_adjustViewBounds 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_src 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_maxWidth 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_maxHeight 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_tint 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_scaleType 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_cropToPadding 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project@RemoteView 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class ImageView extends View { 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // settable by the client 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Uri mUri; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mResource = 0; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Matrix mMatrix; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ScaleType mScaleType; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mHaveFrame = false; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mAdjustViewBounds = false; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mMaxWidth = Integer.MAX_VALUE; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mMaxHeight = Integer.MAX_VALUE; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // these are applied to the drawable 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ColorFilter mColorFilter; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mAlpha = 255; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mViewAlphaScale = 256; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Drawable mDrawable = null; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mState = null; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mMergeState = false; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLevel = 0; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mDrawableWidth; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mDrawableHeight; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Matrix mDrawMatrix = null; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Avoid allocations... 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RectF mTempSrc = new RectF(); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RectF mTempDst = new RectF(); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mCropToPadding; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mBaselineAligned = false; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final ScaleType[] sScaleTypeArray = { 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.MATRIX, 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.FIT_XY, 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.FIT_START, 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.FIT_CENTER, 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.FIT_END, 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.CENTER, 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.CENTER_CROP, 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType.CENTER_INSIDE 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ImageView(Context context) { 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initImageView(); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ImageView(Context context, AttributeSet attrs) { 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, attrs, 0); 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ImageView(Context context, AttributeSet attrs, int defStyle) { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, defStyle); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initImageView(); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView, defStyle, 0); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = a.getDrawable(com.android.internal.R.styleable.ImageView_src); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setImageDrawable(d); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBaselineAligned = a.getBoolean( 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView_baselineAlignBottom, false); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAdjustViewBounds( 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.getBoolean(com.android.internal.R.styleable.ImageView_adjustViewBounds, 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project false)); 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setMaxWidth(a.getDimensionPixelSize( 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView_maxWidth, Integer.MAX_VALUE)); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setMaxHeight(a.getDimensionPixelSize( 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView_maxHeight, Integer.MAX_VALUE)); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = a.getInt(com.android.internal.R.styleable.ImageView_scaleType, -1); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >= 0) { 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setScaleType(sScaleTypeArray[index]); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int tint = a.getInt(com.android.internal.R.styleable.ImageView_tint, 0); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tint != 0) { 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setColorFilter(tint, PorterDuff.Mode.SRC_ATOP); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCropToPadding = a.getBoolean( 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ImageView_cropToPadding, false); 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //need inflate syntax/reader for matrix 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void initImageView() { 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMatrix = new Matrix(); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleType = ScaleType.FIT_CENTER; 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean verifyDrawable(Drawable dr) { 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawable == dr || super.verifyDrawable(dr); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void invalidateDrawable(Drawable dr) { 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dr == mDrawable) { 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* we invalidate the whole view in this case because it's very 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hard to know where the drawable actually is. This is made 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * complicated because of the offsets and transformations that 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can be applied. In theory we could get the drawable's bounds 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and run them through the transformation and offsets, but this 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is probably not worth the effort. 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.invalidateDrawable(dr); 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean onSetAlpha(int alpha) { 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getBackground() == null) { 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int scale = alpha + (alpha >> 7); 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewAlphaScale != scale) { 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mViewAlphaScale = scale; 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project applyColorMod(); 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set this to true if you want the ImageView to adjust its bounds 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to preserve the aspect ratio of its drawable. 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param adjustViewBounds Whether to adjust the bounds of this view 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to presrve the original aspect ratio of the drawable 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_adjustViewBounds 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAdjustViewBounds(boolean adjustViewBounds) { 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAdjustViewBounds = adjustViewBounds; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (adjustViewBounds) { 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setScaleType(ScaleType.FIT_CENTER); 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An optional argument to supply a maximum width for this view. Only valid if 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #setAdjustViewBounds} has been set to true. To set an image to be a maximum of 100 x 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 100 while preserving the original aspect ratio, do the following: 1) set adjustViewBounds to 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * true 2) set maxWidth and maxHeight to 100 3) set the height and width layout params to 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WRAP_CONTENT. 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note that this view could be still smaller than 100 x 100 using this approach if the original 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * image is small. To set an image to a fixed size, specify that size in the layout params and 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then use {@link #setScaleType} to determine how to fit the image within the bounds. 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param maxWidth maximum width for this view 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_maxWidth 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setMaxWidth(int maxWidth) { 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaxWidth = maxWidth; 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An optional argument to supply a maximum height for this view. Only valid if 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #setAdjustViewBounds} has been set to true. To set an image to be a maximum of 100 x 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 100 while preserving the original aspect ratio, do the following: 1) set adjustViewBounds to 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * true 2) set maxWidth and maxHeight to 100 3) set the height and width layout params to 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WRAP_CONTENT. 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note that this view could be still smaller than 100 x 100 using this approach if the original 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * image is small. To set an image to a fixed size, specify that size in the layout params and 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then use {@link #setScaleType} to determine how to fit the image within the bounds. 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param maxHeight maximum height for this view 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_maxHeight 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setMaxHeight(int maxHeight) { 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaxHeight = maxHeight; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Return the view's drawable, or null if no drawable has been 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assigned. 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable getDrawable() { 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawable; 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a drawable as the content of this ImageView. 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param resId the resource identifier of the the drawable 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_src 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageResource(int resId) { 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mUri != null || mResource != resId) { 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateDrawable(null); 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResource = resId; 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = null; 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolveUri(); 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the content of this ImageView to the specified Uri. 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param uri The Uri of an image 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageURI(Uri uri) { 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResource != 0 || 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (mUri != uri && 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (uri == null || mUri == null || !uri.equals(mUri)))) { 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateDrawable(null); 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResource = 0; 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = uri; 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolveUri(); 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a drawable as the content of this ImageView. 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param drawable The drawable to set 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageDrawable(Drawable drawable) { 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != drawable) { 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResource = 0; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = null; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateDrawable(drawable); 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a Bitmap as the content of this ImageView. 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bm The bitmap to set 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageBitmap(Bitmap bm) { 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if this is used frequently, may handle bitmaps explicitly 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to reduce the intermediate drawable object 32111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn setImageDrawable(new BitmapDrawable(mContext.getResources(), bm)); 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageState(int[] state, boolean merge) { 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = state; 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMergeState = merge; 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != null) { 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project refreshDrawableState(); 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeFromDrawable(); 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelected(boolean selected) { 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.setSelected(selected); 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeFromDrawable(); 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3394df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project /** 3404df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Sets the image level, when it is constructed from a 3414df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * {@link android.graphics.drawable.LevelListDrawable}. 3424df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * 3434df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * @param level The new level for the image. 3444df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project */ 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageLevel(int level) { 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLevel = level; 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != null) { 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setLevel(level); 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeFromDrawable(); 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Options for scaling the bounds of an image to the bounds of this view. 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum ScaleType { 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale using the image matrix when drawing. The image matrix can be set using 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link ImageView#setImageMatrix(Matrix)}. From XML, use this syntax: 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <code>android:scaleType="matrix"</code>. 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MATRIX (0), 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image using {@link Matrix.ScaleToFit#FILL}. 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="fitXY"</code>. 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FIT_XY (1), 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image using {@link Matrix.ScaleToFit#START}. 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="fitStart"</code>. 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FIT_START (2), 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image using {@link Matrix.ScaleToFit#CENTER}. 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <code>android:scaleType="fitCenter"</code>. 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FIT_CENTER (3), 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image using {@link Matrix.ScaleToFit#END}. 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="fitEnd"</code>. 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FIT_END (4), 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Center the image in the view, but perform no scaling. 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="center"</code>. 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CENTER (5), 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image uniformly (maintain the image's aspect ratio) so 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that both dimensions (width and height) of the image will be equal 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to or larger than the corresponding dimension of the view 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (minus padding). The image is then centered in the view. 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="centerCrop"</code>. 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CENTER_CROP (6), 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scale the image uniformly (maintain the image's aspect ratio) so 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that both dimensions (width and height) of the image will be equal 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to or less than the corresponding dimension of the view 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (minus padding). The image is then centered in the view. 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * From XML, use this syntax: <code>android:scaleType="centerInside"</code>. 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CENTER_INSIDE (7); 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleType(int ni) { 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeInt = ni; 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int nativeInt; 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Controls how the image should be resized or moved to match the size 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of this ImageView. 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param scaleType The desired scaling mode. 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_scaleType 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setScaleType(ScaleType scaleType) { 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (scaleType == null) { 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScaleType != scaleType) { 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleType = scaleType; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setWillNotCacheDrawing(mScaleType == ScaleType.CENTER); 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the current scale type in use by this ImageView. 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see ImageView.ScaleType 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_scaleType 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ScaleType getScaleType() { 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScaleType; 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Return the view's optional matrix. This is applied to the 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view's drawable when it is drawn. If there is not matrix, 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this method will return null. 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Do not change this matrix in place. If you want a different matrix 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project applied to the drawable, be sure to call setImageMatrix(). 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Matrix getImageMatrix() { 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMatrix; 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setImageMatrix(Matrix matrix) { 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // collaps null and identity to just null 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (matrix != null && matrix.isIdentity()) { 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matrix = null; 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't invalidate unless we're actually changing our matrix 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (matrix == null && !mMatrix.isIdentity() || 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matrix != null && !mMatrix.equals(matrix)) { 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMatrix.set(matrix); 467f88872655e85570f3b9bfebe78647ed36916b3f4Chih-Chung Chang configureBounds(); 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void resolveUri() { 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != null) { 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Resources rsrc = getResources(); 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rsrc == null) { 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = null; 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResource != 0) { 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d = rsrc.getDrawable(mResource); 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (Exception e) { 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.w("ImageView", "Unable to find resource: " + mResource, e); 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't try again. 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = null; 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mUri != null) { 4930f8555b72861b7b9a233ab65b14055c98b145c91Bjorn Bringert String scheme = mUri.getScheme(); 4940f8555b72861b7b9a233ab65b14055c98b145c91Bjorn Bringert if (ContentResolver.SCHEME_CONTENT.equals(scheme) 4950f8555b72861b7b9a233ab65b14055c98b145c91Bjorn Bringert || ContentResolver.SCHEME_ANDROID_RESOURCE.equals(scheme) 4960f8555b72861b7b9a233ab65b14055c98b145c91Bjorn Bringert || ContentResolver.SCHEME_FILE.equals(scheme)) { 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d = Drawable.createFromStream( 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContext.getContentResolver().openInputStream(mUri), 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project null); 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (Exception e) { 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.w("ImageView", "Unable to open content: " + mUri, e); 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d = Drawable.createFromPath(mUri.toString()); 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d == null) { 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println("resolveUri failed on bad bitmap uri: " 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + mUri); 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't try again. 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUri = null; 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateDrawable(d); 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int[] onCreateDrawableState(int extraSpace) { 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState == null) { 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onCreateDrawableState(extraSpace); 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (!mMergeState) { 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mState; 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mergeDrawableStates( 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onCreateDrawableState(extraSpace + mState.length), mState); 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void updateDrawable(Drawable d) { 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != null) { 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setCallback(null); 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unscheduleDrawable(mDrawable); 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable = d; 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setCallback(this); 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d.isStateful()) { 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setState(getDrawableState()); 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setLevel(mLevel); 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableWidth = d.getIntrinsicWidth(); 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableHeight = d.getIntrinsicHeight(); 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project applyColorMod(); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project configureBounds(); 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void resizeFromDrawable() { 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = mDrawable; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int w = d.getIntrinsicWidth(); 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w < 0) w = mDrawableWidth; 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int h = d.getIntrinsicHeight(); 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (h < 0) h = mDrawableHeight; 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w != mDrawableWidth || h != mDrawableHeight) { 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableWidth = w; 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableHeight = h; 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final Matrix.ScaleToFit[] sS2FArray = { 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix.ScaleToFit.FILL, 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix.ScaleToFit.START, 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix.ScaleToFit.CENTER, 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix.ScaleToFit.END 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static Matrix.ScaleToFit scaleTypeToScaleToFit(ScaleType st) { 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ScaleToFit enum to their corresponding Matrix.ScaleToFit values 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sS2FArray[st.nativeInt - 1]; 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolveUri(); 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int w; 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int h; 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Desired aspect ratio of the view's contents (not including padding) 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float desiredAspect = 0.0f; 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are allowed to change the view's width 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean resizeWidth = false; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are allowed to change the view's height 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean resizeHeight = false; 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable == null) { 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If no drawable, its intrinsic size is 0. 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableWidth = -1; 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableHeight = -1; 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = h = 0; 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = mDrawableWidth; 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project h = mDrawableHeight; 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w <= 0) w = 1; 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (h <= 0) h = 1; 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are supposed to adjust view bounds to match the aspect 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ratio of our drawable. See if that is possible. 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAdjustViewBounds) { 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeWidth = widthSpecMode != MeasureSpec.EXACTLY; 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeHeight = heightSpecMode != MeasureSpec.EXACTLY; 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project desiredAspect = (float)w/(float)h; 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pleft = mPaddingLeft; 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pright = mPaddingRight; 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ptop = mPaddingTop; 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pbottom = mPaddingBottom; 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int widthSize; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int heightSize; 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (resizeWidth || resizeHeight) { 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* If we get here, it means we want to resize to match the 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawables aspect ratio, and we have the freedom to change at 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project least one dimension. 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get the max possible width given our constraints 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widthSize = resolveAdjustedSize(w + pleft + pright, 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaxWidth, widthMeasureSpec); 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get the max possible height given our constraints 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project heightSize = resolveAdjustedSize(h + ptop + pbottom, 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaxHeight, heightMeasureSpec); 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (desiredAspect != 0.0f) { 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See what our actual aspect ratio is 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float actualAspect = (float)(widthSize - pleft - pright) / 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (heightSize - ptop - pbottom); 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Math.abs(actualAspect - desiredAspect) > 0.0000001) { 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean done = false; 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Try adjusting width to be proportional to height 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (resizeWidth) { 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newWidth = (int)(desiredAspect * 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (heightSize - ptop - pbottom)) 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + pleft + pright; 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newWidth <= widthSize) { 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widthSize = newWidth; 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project done = true; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Try adjusting height to be proportional to width 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!done && resizeHeight) { 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newHeight = (int)((widthSize - pleft - pright) 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project / desiredAspect) + ptop + pbottom; 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newHeight <= heightSize) { 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project heightSize = newHeight; 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* We are either don't want to preserve the drawables aspect ratio, 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project or we are not allowed to change view dimensions. Just measure in 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project the normal way. 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w += pleft + pright; 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project h += ptop + pbottom; 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = Math.max(w, getSuggestedMinimumWidth()); 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project h = Math.max(h, getSuggestedMinimumHeight()); 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widthSize = resolveSize(w, widthMeasureSpec); 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project heightSize = resolveSize(h, heightMeasureSpec); 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setMeasuredDimension(widthSize, heightSize); 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int resolveAdjustedSize(int desiredSize, int maxSize, 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int measureSpec) { 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int result = desiredSize; 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specMode = MeasureSpec.getMode(measureSpec); 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specSize = MeasureSpec.getSize(measureSpec); 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (specMode) { 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.UNSPECIFIED: 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Parent says we can be as big as we want. Just don't be larger 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project than max size imposed on ourselves. 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = Math.min(desiredSize, maxSize); 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.AT_MOST: 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Parent says we can be as big as we want, up to specSize. 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't be larger than specSize, and don't be larger than 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the max size imposed on ourselves. 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = Math.min(Math.min(desiredSize, specSize), maxSize); 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.EXACTLY: 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No choice. Do what we are told. 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = specSize; 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean setFrame(int l, int t, int r, int b) { 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean changed = super.setFrame(l, t, r, b); 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveFrame = true; 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project configureBounds(); 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return changed; 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void configureBounds() { 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable == null || !mHaveFrame) { 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dwidth = mDrawableWidth; 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dheight = mDrawableHeight; 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int vwidth = getWidth() - mPaddingLeft - mPaddingRight; 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int vheight = getHeight() - mPaddingTop - mPaddingBottom; 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean fits = (dwidth < 0 || vwidth == dwidth) && 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (dheight < 0 || vheight == dheight); 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dwidth <= 0 || dheight <= 0 || ScaleType.FIT_XY == mScaleType) { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* If the drawable has no intrinsic size, or we're told to 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scaletofit, then we just fill our entire view. 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setBounds(0, 0, vwidth, vheight); 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = null; 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We need to do the scaling ourself, so have the drawable 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // use its native size. 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setBounds(0, 0, dwidth, dheight); 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ScaleType.MATRIX == mScaleType) { 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use the specified matrix as-is. 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMatrix.isIdentity()) { 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = null; 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (fits) { 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The bitmap fits exactly, no transform needed. 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = null; 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (ScaleType.CENTER == mScaleType) { 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Center bitmap in view, no scaling. 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix.setTranslate((vwidth - dwidth) * 0.5f, 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (vheight - dheight) * 0.5f); 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (ScaleType.CENTER_CROP == mScaleType) { 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float scale; 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dx = 0, dy = 0; 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dwidth * vheight > vwidth * dheight) { 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale = (float) vheight / (float) dheight; 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dx = (vwidth - dwidth * scale) * 0.5f; 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale = (float) vwidth / (float) dwidth; 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dy = (vheight - dheight * scale) * 0.5f; 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix.setScale(scale, scale); 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix.postTranslate(dx, dy); 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (ScaleType.CENTER_INSIDE == mScaleType) { 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float scale; 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dx; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dy; 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dwidth <= vwidth && dheight <= vheight) { 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale = 1.0f; 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale = Math.min((float) vwidth / (float) dwidth, 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (float) vheight / (float) dheight); 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dx = (vwidth - dwidth * scale) * 0.5f; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dy = (vheight - dheight * scale) * 0.5f; 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix.setScale(scale, scale); 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix.postTranslate(dx, dy); 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Generate the required transform. 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTempSrc.set(0, 0, dwidth, dheight); 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTempDst.set(0, 0, vwidth, vheight); 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix = mMatrix; 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawMatrix.setRectToRect(mTempSrc, mTempDst, 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scaleTypeToScaleToFit(mScaleType)); 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void drawableStateChanged() { 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.drawableStateChanged(); 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = mDrawable; 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d.isStateful()) { 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setState(getDrawableState()); 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDraw(Canvas canvas) { 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDraw(canvas); 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable == null) { 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // couldn't resolve the URI 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawableWidth == 0 || mDrawableHeight == 0) { 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // nothing to draw (empty bounds) 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawMatrix == null && mPaddingTop == 0 && mPaddingLeft == 0) { 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.draw(canvas); 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int saveCount = canvas.getSaveCount(); 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.save(); 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCropToPadding) { 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollX = mScrollX; 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollY = mScrollY; 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.clipRect(scrollX + mPaddingLeft, scrollY + mPaddingTop, 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollX + mRight - mLeft - mPaddingRight, 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollY + mBottom - mTop - mPaddingBottom); 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(mPaddingLeft, mPaddingTop); 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawMatrix != null) { 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.concat(mDrawMatrix); 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.draw(canvas); 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restoreToCount(saveCount); 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getBaseline() { 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mBaselineAligned ? getMeasuredHeight() : -1; 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 85875986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set a tinting option for the image. 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param color Color tint to apply. 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode How to apply the color. The standard mode is 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link PorterDuff.Mode#SRC_ATOP} 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ImageView_tint 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setColorFilter(int color, PorterDuff.Mode mode) { 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setColorFilter(new PorterDuffColorFilter(color, mode)); 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void clearColorFilter() { 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setColorFilter(null); 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Apply an arbitrary colorfilter to the image. 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cf the colorfilter to apply (may be null) 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setColorFilter(ColorFilter cf) { 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColorFilter != cf) { 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColorFilter = cf; 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project applyColorMod(); 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 88875986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAlpha(int alpha) { 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alpha &= 0xFF; // keep it legal 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAlpha != alpha) { 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlpha = alpha; 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project applyColorMod(); 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void applyColorMod() { 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawable != null) { 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setColorFilter(mColorFilter); 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setAlpha(mAlpha * mViewAlphaScale >> 8); 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 905