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.graphics; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 191c2bf03d1082fc6b7eb42cbd163c60c07cf2bcccTor Norbyeimport android.annotation.CheckResult; 2080756e38882720860db52f1fcc21fa1505a02abfTor Norbyeimport android.annotation.ColorInt; 21c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viveretteimport android.annotation.NonNull; 22efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guyimport android.annotation.Nullable; 238242656f495847c50c9ceaea92839dce78218a75Romain Guyimport android.annotation.Size; 245d3501172c9e2329f46bc6bb53050fd2ec7d2305John Reckimport android.annotation.WorkerThread; 251480b67635cdc4c2c5e735741bf30393fd70d738Makoto Onukiimport android.content.res.ResourcesImpl; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcel; 278cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chenimport android.os.Parcelable; 289fd259c9b0878ba52fec86173d76976e70977fcdsergeyvimport android.os.StrictMode; 290df3bd5594bbbbfbf6058ecb31e9b94a1cd22f7dJohn Reckimport android.os.Trace; 302784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackbornimport android.util.DisplayMetrics; 3101a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reckimport android.util.Log; 32716f38177ee1401373ced8d1f665431bb7a57d14Chris Craikimport android.view.DisplayListCanvas; 33716f38177ee1401373ced8d1f665431bb7a57d14Chris Craikimport android.view.RenderNode; 34716f38177ee1401373ced8d1f665431bb7a57d14Chris Craikimport android.view.ThreadedRenderer; 35716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik 36a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winsonimport libcore.util.NativeAllocationRegistry; 37a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson 388cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chenimport java.io.OutputStream; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.nio.Buffer; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.nio.ByteBuffer; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.nio.IntBuffer; 428cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chenimport java.nio.ShortBuffer; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic final class Bitmap implements Parcelable { 4501a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck private static final String TAG = "Bitmap"; 4601a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that the bitmap was created for an unknown pixel density. 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see Bitmap#getDensity() 5111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see Bitmap#setDensity(int) 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public static final int DENSITY_NONE = 0; 54f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck 55775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler // Estimated size of the Bitmap native allocation, not including 56775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler // pixel data. 57775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler private static final long NATIVE_ALLOCATION_SIZE = 32; 58775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler 59f29ed28c7b878ef28058bc730715d0d32445bc57John Reck // Convenience for JNI access 60f29ed28c7b878ef28058bc730715d0d32445bc57John Reck private final long mNativePtr; 61e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final boolean mIsMutable; 631abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik 641abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik /** 6557ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * Represents whether the Bitmap's content is requested to be pre-multiplied. 661abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * Note that isPremultiplied() does not directly return this value, because 6757ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * isPremultiplied() may never return true for a 565 Bitmap or a bitmap 6857ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * without alpha. 691abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * 701abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * setPremultiplied() does directly set the value so that setConfig() and 711abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * setPremultiplied() aren't order dependent, despite being setters. 7257ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * 7357ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * The native bitmap's premultiplication state is kept up to date by 7457ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * pushing down this preference for every config change. 751abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik */ 7657ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III private boolean mRequestPremultiplied; 778790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III 7847cd8e921db73e894f94ec4729ade90da50996f5Chris Craik private byte[] mNinePatchChunk; // may be null 7947cd8e921db73e894f94ec4729ade90da50996f5Chris Craik private NinePatch.InsetStruct mNinePatchInsets; // may be null 801abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik private int mWidth; 811abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik private int mHeight; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mRecycled; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 84efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy private ColorSpace mColorSpace; 85efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy 86caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck /** @hide */ 87caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck public int mDensity = getDefaultDensity(); 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8996e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn private static volatile int sDefaultDensity = -1; 9002890fd0f98b3b8d98baf0bda1ea906afd723d8bRomain Guy 911480b67635cdc4c2c5e735741bf30393fd70d738Makoto Onuki /** @hide Used only when ResourcesImpl.TRACE_FOR_DETAILED_PRELOAD is true. */ 921480b67635cdc4c2c5e735741bf30393fd70d738Makoto Onuki public static volatile int sPreloadTracingNumInstantiatedBitmaps; 931480b67635cdc4c2c5e735741bf30393fd70d738Makoto Onuki 941480b67635cdc4c2c5e735741bf30393fd70d738Makoto Onuki /** @hide Used only when ResourcesImpl.TRACE_FOR_DETAILED_PRELOAD is true. */ 951480b67635cdc4c2c5e735741bf30393fd70d738Makoto Onuki public static volatile long sPreloadTracingTotalBitmapsSize; 961480b67635cdc4c2c5e735741bf30393fd70d738Makoto Onuki 9796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn /** 9896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * For backwards compatibility, allows the app layer to change the default 9996e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * density when running old apps. 10096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @hide 10196e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn */ 10296e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn public static void setDefaultDensity(int density) { 10396e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn sDefaultDensity = density; 10496e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn } 1053849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy 106f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck @SuppressWarnings("deprecation") 1073849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy static int getDefaultDensity() { 10896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn if (sDefaultDensity >= 0) { 10996e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn return sDefaultDensity; 11096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn } 11196e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn sDefaultDensity = DisplayMetrics.DENSITY_DEVICE; 11296e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn return sDefaultDensity; 11396e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn } 114dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1169f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * Private constructor that must received an already allocated native bitmap 1179f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * int (pointer). 118ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani */ 119f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck // called from JNI 1204508218850faedea95371188da587b6734f5f3dasergeyv Bitmap(long nativeBitmap, int width, int height, int density, 12157ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III boolean isMutable, boolean requestPremultiplied, 12247cd8e921db73e894f94ec4729ade90da50996f5Chris Craik byte[] ninePatchChunk, NinePatch.InsetStruct ninePatchInsets) { 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (nativeBitmap == 0) { 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("internal error: native bitmap is 0"); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1268cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 1271abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik mWidth = width; 1281abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik mHeight = height; 1291abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik mIsMutable = isMutable; 13057ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III mRequestPremultiplied = requestPremultiplied; 1314cd7dbc90f93893f521dce32d8cd25c02a185a24Chris Craik 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNinePatchChunk = ninePatchChunk; 13347cd8e921db73e894f94ec4729ade90da50996f5Chris Craik mNinePatchInsets = ninePatchInsets; 134de0dfb7b65a02d4dd74c271b558adee0973fc267Dianne Hackborn if (density >= 0) { 135de0dfb7b65a02d4dd74c271b558adee0973fc267Dianne Hackborn mDensity = density; 136de0dfb7b65a02d4dd74c271b558adee0973fc267Dianne Hackborn } 1374cd7dbc90f93893f521dce32d8cd25c02a185a24Chris Craik 138f29ed28c7b878ef28058bc730715d0d32445bc57John Reck mNativePtr = nativeBitmap; 1394508218850faedea95371188da587b6734f5f3dasergeyv long nativeSize = NATIVE_ALLOCATION_SIZE + getAllocationByteCount(); 140775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler NativeAllocationRegistry registry = new NativeAllocationRegistry( 1410ebdbb4a8470bb77f38c33a42c220ecb8a7adcc6Richard Uhler Bitmap.class.getClassLoader(), nativeGetNativeFinalizer(), nativeSize); 142775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler registry.registerNativeAllocation(this, nativeBitmap); 1431480b67635cdc4c2c5e735741bf30393fd70d738Makoto Onuki 1441480b67635cdc4c2c5e735741bf30393fd70d738Makoto Onuki if (ResourcesImpl.TRACE_FOR_DETAILED_PRELOAD) { 1451480b67635cdc4c2c5e735741bf30393fd70d738Makoto Onuki sPreloadTracingNumInstantiatedBitmaps++; 1461480b67635cdc4c2c5e735741bf30393fd70d738Makoto Onuki sPreloadTracingTotalBitmapsSize += nativeSize; 1471480b67635cdc4c2c5e735741bf30393fd70d738Makoto Onuki } 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1514c5efe9290543b723b76a8bd48518da1ae1dcb26Derek Sollenberger * Return the pointer to the native object. 152caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck * @hide 1534c5efe9290543b723b76a8bd48518da1ae1dcb26Derek Sollenberger */ 154caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck public long getNativeInstance() { 1554c5efe9290543b723b76a8bd48518da1ae1dcb26Derek Sollenberger return mNativePtr; 1564c5efe9290543b723b76a8bd48518da1ae1dcb26Derek Sollenberger } 1574c5efe9290543b723b76a8bd48518da1ae1dcb26Derek Sollenberger 1584c5efe9290543b723b76a8bd48518da1ae1dcb26Derek Sollenberger /** 1591abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * Native bitmap has been reconfigured, so set premult and cached 1601abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * width/height values 1619f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik */ 1629505a6552764461c22ce48f1ac13d025d23e1579Romain Guy @SuppressWarnings("unused") // called from JNI 16357ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III void reinit(int width, int height, boolean requestPremultiplied) { 1641abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik mWidth = width; 1651abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik mHeight = height; 16657ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III mRequestPremultiplied = requestPremultiplied; 1675acc476878bce8b72c0059e05cbbd5b43ffee5d5Romain Guy mColorSpace = null; 1689f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik } 1699f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik 1709f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik /** 17111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>Returns the density for this bitmap.</p> 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17396e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * <p>The default density is the same density as the current display, 17496e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * unless the current application does not support different screen 17596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * densities in which case it is 17696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * {@link android.util.DisplayMetrics#DENSITY_DEFAULT}. Note that 17796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * compatibility mode is determined by the application that was initially 17896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * loaded into a process -- applications that share the same process should 17996e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * all have the same compatibility, or ensure they explicitly set the 18096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * density of their bitmaps appropriately.</p> 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18296e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @return A scaling factor of the default density or {@link #DENSITY_NONE} 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the scaling factor is unknown. 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see #setDensity(int) 186a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn * @see android.util.DisplayMetrics#DENSITY_DEFAULT 18711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see android.util.DisplayMetrics#densityDpi 18811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see #DENSITY_NONE 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public int getDensity() { 19101a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 19201a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called getDensity() on a recycle()'d bitmap! This is undefined behavior!"); 19301a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 19411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return mDensity; 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>Specifies the density for this bitmap. When the bitmap is 19911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * drawn to a Canvas that also has a density, it will be scaled 20011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * appropriately.</p> 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @param density The density scaling factor to use with this bitmap or 20311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * {@link #DENSITY_NONE} if the density is unknown. 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see #getDensity() 206a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn * @see android.util.DisplayMetrics#DENSITY_DEFAULT 20711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see android.util.DisplayMetrics#densityDpi 20811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see #DENSITY_NONE 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public void setDensity(int density) { 21111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn mDensity = density; 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 213c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik 214c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik /** 215c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>Modifies the bitmap to have a specified width, height, and {@link 216c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * Config}, without affecting the underlying allocation backing the bitmap. 217c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * Bitmap pixel data is not re-initialized for the new configuration.</p> 218c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 219c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>This method can be used to avoid allocating a new bitmap, instead 220c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * reusing an existing bitmap's allocation for a new configuration of equal 221c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * or lesser size. If the Bitmap's allocation isn't large enough to support 222c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * the new configuration, an IllegalArgumentException will be thrown and the 223c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * bitmap will not be modified.</p> 224c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 225c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>The result of {@link #getByteCount()} will reflect the new configuration, 226c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * while {@link #getAllocationByteCount()} will reflect that of the initial 227c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * configuration.</p> 228c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 22917a8bfc38a565ae96f43d36b223779be840bb50cLeon Scroggins III * <p>Note: This may change this result of hasAlpha(). When converting to 565, 23017a8bfc38a565ae96f43d36b223779be840bb50cLeon Scroggins III * the new bitmap will always be considered opaque. When converting from 565, 23117a8bfc38a565ae96f43d36b223779be840bb50cLeon Scroggins III * the new bitmap will be considered non-opaque, and will respect the value 23217a8bfc38a565ae96f43d36b223779be840bb50cLeon Scroggins III * set by setPremultiplied().</p> 23317a8bfc38a565ae96f43d36b223779be840bb50cLeon Scroggins III * 2346d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * <p>WARNING: This method should NOT be called on a bitmap currently in use 2356d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * by the view system, Canvas, or the AndroidBitmap NDK API. It does not 2366d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * make guarantees about how the underlying pixel buffer is remapped to the 2376d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * new config, just that the allocation is reused. Additionally, the view 2386d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * system does not account for bitmap properties being modifying during use, 2396d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * e.g. while attached to drawables.</p> 2406d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * 2416d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * <p>In order to safely ensure that a Bitmap is no longer in use by the 2426d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * View system it is necessary to wait for a draw pass to occur after 2436d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * invalidate()'ing any view that had previously drawn the Bitmap in the last 2446d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * draw pass due to hardware acceleration's caching of draw commands. As 2456d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * an example, here is how this can be done for an ImageView: 2466d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * <pre class="prettyprint"> 2476d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * ImageView myImageView = ...; 2486d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * final Bitmap myBitmap = ...; 2496d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * myImageView.setImageDrawable(null); 2506d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * myImageView.post(new Runnable() { 2516d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * public void run() { 2526d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * // myBitmap is now no longer in use by the ImageView 2536d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * // and can be safely reconfigured. 2546d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * myBitmap.reconfigure(...); 2556d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * } 2566d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * }); 2576d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * </pre></p> 258c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 259c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setWidth(int) 260c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setHeight(int) 261c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setConfig(Config) 262c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik */ 263c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik public void reconfigure(int width, int height, Config config) { 264c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik checkRecycled("Can't call reconfigure() on a recycled bitmap"); 265c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik if (width <= 0 || height <= 0) { 266c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik throw new IllegalArgumentException("width and height must be > 0"); 267c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik } 268c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik if (!isMutable()) { 2699c2cde0583d02ba7551877dbe7a5ecaee6defb56Chris Craik throw new IllegalStateException("only mutable bitmaps may be reconfigured"); 270c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik } 271c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik 2724508218850faedea95371188da587b6734f5f3dasergeyv nativeReconfigure(mNativePtr, width, height, config.nativeInt, mRequestPremultiplied); 273c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik mWidth = width; 274c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik mHeight = height; 2755acc476878bce8b72c0059e05cbbd5b43ffee5d5Romain Guy mColorSpace = null; 276c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik } 277c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik 278c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik /** 279c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>Convenience method for calling {@link #reconfigure(int, int, Config)} 280c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * with the current height and config.</p> 281c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 282c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>WARNING: this method should not be used on bitmaps currently used by 283c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * the view system, see {@link #reconfigure(int, int, Config)} for more 284c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * details.</p> 285c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 286c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #reconfigure(int, int, Config) 287c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setHeight(int) 288c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setConfig(Config) 289c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik */ 290c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik public void setWidth(int width) { 291c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik reconfigure(width, getHeight(), getConfig()); 292c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik } 293c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik 294c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik /** 295c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>Convenience method for calling {@link #reconfigure(int, int, Config)} 296c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * with the current width and config.</p> 297c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 298c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>WARNING: this method should not be used on bitmaps currently used by 299c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * the view system, see {@link #reconfigure(int, int, Config)} for more 300c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * details.</p> 301c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 302c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #reconfigure(int, int, Config) 303c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setWidth(int) 304c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setConfig(Config) 305c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik */ 306c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik public void setHeight(int height) { 307c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik reconfigure(getWidth(), height, getConfig()); 308c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik } 309c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik 310c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik /** 311c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>Convenience method for calling {@link #reconfigure(int, int, Config)} 312c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * with the current height and width.</p> 313c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 314c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>WARNING: this method should not be used on bitmaps currently used by 315c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * the view system, see {@link #reconfigure(int, int, Config)} for more 316c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * details.</p> 317c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 318c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #reconfigure(int, int, Config) 319c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setWidth(int) 320c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setHeight(int) 321c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik */ 322c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik public void setConfig(Config config) { 323c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik reconfigure(getWidth(), getHeight(), config); 324c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik } 325c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the nine patch chunk. 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param chunk The definition of the nine patch 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setNinePatchChunk(byte[] chunk) { 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNinePatchChunk = chunk; 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3368cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 338a383b3f646cbc1fd870f2694d4fac24340834916Patrick Dubroy * Free the native object associated with this bitmap, and clear the 339a383b3f646cbc1fd870f2694d4fac24340834916Patrick Dubroy * reference to the pixel data. This will not free the pixel data synchronously; 340a383b3f646cbc1fd870f2694d4fac24340834916Patrick Dubroy * it simply allows it to be garbage collected if there are no other references. 341a383b3f646cbc1fd870f2694d4fac24340834916Patrick Dubroy * The bitmap is marked as "dead", meaning it will throw an exception if 342a383b3f646cbc1fd870f2694d4fac24340834916Patrick Dubroy * getPixels() or setPixels() is called, and will draw nothing. This operation 343a383b3f646cbc1fd870f2694d4fac24340834916Patrick Dubroy * cannot be reversed, so it should only be called if you are sure there are no 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * further uses for the bitmap. This is an advanced call, and normally need 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not be called, since the normal GC process will free up this memory when 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * there are no more references to this bitmap. 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void recycle() { 349775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler if (!mRecycled && mNativePtr != 0) { 350775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler if (nativeRecycle(mNativePtr)) { 351547e66531d521eb1eadac87edb0f79f8c2f1bbe0Chet Haase // return value indicates whether native pixel object was actually recycled. 352547e66531d521eb1eadac87edb0f79f8c2f1bbe0Chet Haase // false indicates that it is still in use at the native level and these 353547e66531d521eb1eadac87edb0f79f8c2f1bbe0Chet Haase // objects should not be collected now. They will be collected later when the 354547e66531d521eb1eadac87edb0f79f8c2f1bbe0Chet Haase // Bitmap itself is collected. 355547e66531d521eb1eadac87edb0f79f8c2f1bbe0Chet Haase mNinePatchChunk = null; 356547e66531d521eb1eadac87edb0f79f8c2f1bbe0Chet Haase } 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecycled = true; 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns true if this bitmap has been recycled. If so, then it is an error 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to try to access its pixels, and the bitmap will not draw. 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the bitmap has been recycled 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean isRecycled() { 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mRecycled; 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3708cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3720bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy * Returns the generation ID of this bitmap. The generation ID changes 3730bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy * whenever the bitmap is modified. This can be used as an efficient way to 3740bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy * check if a bitmap has changed. 375f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 3760bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy * @return The current generation ID for this bitmap. 3770bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy */ 3780bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy public int getGenerationId() { 37901a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 38001a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called getGenerationId() on a recycle()'d bitmap! This is undefined behavior!"); 38101a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 382775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return nativeGenerationId(mNativePtr); 3830bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy } 384f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck 3850bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy /** 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is called by methods that want to throw an exception if the bitmap 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * has already been recycled. 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void checkRecycled(String errorMessage) { 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRecycled) { 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException(errorMessage); 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3948cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 396980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv * This is called by methods that want to throw an exception if the bitmap 397980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv * is {@link Config#HARDWARE}. 398980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv */ 399980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv private void checkHardware(String errorMessage) { 400980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv if (getConfig() == Config.HARDWARE) { 401980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv throw new IllegalStateException(errorMessage); 402980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv } 403980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv } 404980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv 405980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv /** 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Common code for checking that x and y are >= 0 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x x coordinate to ensure is >= 0 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y y coordinate to ensure is >= 0 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void checkXYSign(int x, int y) { 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (x < 0) { 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("x must be >= 0"); 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (y < 0) { 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("y must be >= 0"); 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Common code for checking that width and height are > 0 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width width to ensure is > 0 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height height to ensure is > 0 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void checkWidthHeight(int width, int height) { 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width <= 0) { 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("width must be > 0"); 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height <= 0) { 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("height must be > 0"); 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 435676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy /** 436676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * Possible bitmap configurations. A bitmap configuration describes 437676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * how pixels are stored. This affects the quality (color depth) as 438676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * well as the ability to display transparent/translucent colors. 439676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy */ 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum Config { 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // these native values must match up with the enum in SkBitmap.h 442676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy 443676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy /** 444676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * Each pixel is stored as a single translucency (alpha) channel. 445676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * This is very useful to efficiently store masks for instance. 446676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * No color information is stored. 447676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * With this configuration, each pixel requires 1 byte of memory. 448676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy */ 449b644a3b84521e2155a5af985a4d4ed305474e567Derek Sollenberger ALPHA_8 (1), 450676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy 451676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy /** 452676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * Each pixel is stored on 2 bytes and only the RGB channels are 453676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * encoded: red is stored with 5 bits of precision (32 possible 454676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * values), green is stored with 6 bits of precision (64 possible 455676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * values) and blue is stored with 5 bits of precision. 456f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 457676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * This configuration can produce slight visual artifacts depending 458676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * on the configuration of the source. For instance, without 459676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * dithering, the result might show a greenish tint. To get better 460676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * results dithering should be applied. 461f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 462676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * This configuration may be useful when using opaque bitmaps 463676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * that do not require high color fidelity. 464186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * 465186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * <p>Use this formula to pack into 16 bits:</p> 466186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * <pre class="prettyprint"> 467186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * short color = (R & 0x1f) << 11 | (G & 0x3f) << 5 | (B & 0x1f); 468186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * </pre> 469676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy */ 470b644a3b84521e2155a5af985a4d4ed305474e567Derek Sollenberger RGB_565 (3), 471676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy 472676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy /** 473676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * Each pixel is stored on 2 bytes. The three RGB color channels 474676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * and the alpha channel (translucency) are stored with a 4 bits 475676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * precision (16 possible values.) 476f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 477676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * This configuration is mostly useful if the application needs 478676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * to store translucency information but also needs to save 479676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * memory. 480f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 481676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * It is recommended to use {@link #ARGB_8888} instead of this 482676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * configuration. 48325ba1c86945a441428194d9ebcabbf31be75a45aRomain Guy * 484e8222dddaf2e3da14380101e818d4254899e0c0dChet Haase * Note: as of {@link android.os.Build.VERSION_CODES#KITKAT}, 48525ba1c86945a441428194d9ebcabbf31be75a45aRomain Guy * any bitmap created with this configuration will be created 48625ba1c86945a441428194d9ebcabbf31be75a45aRomain Guy * using {@link #ARGB_8888} instead. 487f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 488676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * @deprecated Because of the poor quality of this configuration, 489676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * it is advised to use {@link #ARGB_8888} instead. 490676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy */ 491676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy @Deprecated 492b644a3b84521e2155a5af985a4d4ed305474e567Derek Sollenberger ARGB_4444 (4), 493676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy 494676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy /** 495676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * Each pixel is stored on 4 bytes. Each channel (RGB and alpha 496676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * for translucency) is stored with 8 bits of precision (256 497676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * possible values.) 498f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 499676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * This configuration is very flexible and offers the best 500676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * quality. It should be used whenever possible. 501186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * 502186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * <p>Use this formula to pack into 32 bits:</p> 503186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * <pre class="prettyprint"> 504186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * int color = (A & 0xff) << 24 | (B & 0xff) << 16 | (G & 0xff) << 8 | (R & 0xff); 505186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * </pre> 506676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy */ 507da6c8ffcc594493c3936f83255efccdbf964cd21sergeyv ARGB_8888 (5), 508da6c8ffcc594493c3936f83255efccdbf964cd21sergeyv 5099505a6552764461c22ce48f1ac13d025d23e1579Romain Guy /** 5109505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * Each pixels is stored on 8 bytes. Each channel (RGB and alpha 5119505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * for translucency) is stored as a 5129505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * {@link android.util.Half half-precision floating point value}. 5139505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * 5149505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * This configuration is particularly suited for wide-gamut and 5159505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * HDR content. 516186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * 517186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * <p>Use this formula to pack into 64 bits:</p> 518186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * <pre class="prettyprint"> 519186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * long color = (A & 0xffff) << 48 | (B & 0xffff) << 32 | (G & 0xffff) << 16 | (R & 0xffff); 520186ea1218ee5dcb7650d0759a2af4b61af166cbeDerek Sollenberger * </pre> 5219505a6552764461c22ce48f1ac13d025d23e1579Romain Guy */ 5229505a6552764461c22ce48f1ac13d025d23e1579Romain Guy RGBA_F16 (6), 523da6c8ffcc594493c3936f83255efccdbf964cd21sergeyv 524da6c8ffcc594493c3936f83255efccdbf964cd21sergeyv /** 5259fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * Special configuration, when bitmap is stored only in graphic memory. 5269fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * Bitmaps in this configuration are always immutable. 5279fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * 5289fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * It is optimal for cases, when the only operation with the bitmap is to draw it on a 5299fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * screen. 530da6c8ffcc594493c3936f83255efccdbf964cd21sergeyv */ 5319505a6552764461c22ce48f1ac13d025d23e1579Romain Guy HARDWARE (7); 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 533676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy final int nativeInt; 534676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy 535676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy private static Config sConfigs[] = { 5369505a6552764461c22ce48f1ac13d025d23e1579Romain Guy null, ALPHA_8, null, RGB_565, ARGB_4444, ARGB_8888, RGBA_F16, HARDWARE 537676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy }; 538f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Config(int ni) { 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.nativeInt = ni; 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5428cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 543676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy static Config nativeToConfig(int ni) { 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sConfigs[ni]; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5478cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5493849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <p>Copy the bitmap's pixels into the specified buffer (allocated by the 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * caller). An exception is thrown if the buffer is not large enough to 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hold all of the pixels (taking into account the number of bytes per 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pixel) or if the Buffer subclass is not one of the support types 5533849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * (ByteBuffer, ShortBuffer, IntBuffer).</p> 5543849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <p>The content of the bitmap is copied into the buffer as-is. This means 5553849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * that if this bitmap stores its pixels pre-multiplied 5563849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * (see {@link #isPremultiplied()}, the values in the buffer will also be 557ce217faddb4b40c1b3e698944da1951027080427Romain Guy * pre-multiplied. The pixels remain in the color space of the bitmap.</p> 5581f58497e7dbab1b16e97c73b65559b852d0c2803Romain Guy * <p>After this method returns, the current position of the buffer is 5591f58497e7dbab1b16e97c73b65559b852d0c2803Romain Guy * updated: the position is incremented by the number of elements written 5601f58497e7dbab1b16e97c73b65559b852d0c2803Romain Guy * in the buffer.</p> 561980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv * @throws IllegalStateException if the bitmap's config is {@link Config#HARDWARE} 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void copyPixelsToBuffer(Buffer dst) { 564980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv checkHardware("unable to copyPixelsToBuffer, " 565980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv + "pixel access is not supported on Config#HARDWARE bitmaps"); 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int elements = dst.remaining(); 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int shift; 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dst instanceof ByteBuffer) { 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 0; 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (dst instanceof ShortBuffer) { 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 1; 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (dst instanceof IntBuffer) { 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 2; 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("unsupported Buffer subclass"); 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5778cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long bufferSize = (long)elements << shift; 579f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson long pixelSize = getByteCount(); 5808cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufferSize < pixelSize) { 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Buffer not large enough for pixels"); 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5848cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 585775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeCopyPixelsToBuffer(mNativePtr, dst); 5868cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // now update the buffer's position 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position = dst.position(); 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position += pixelSize >> shift; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dst.position(position); 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5943849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <p>Copy the pixels from the buffer, beginning at the current position, 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * overwriting the bitmap's pixels. The data in the buffer is not changed 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in any way (unlike setPixels(), which converts from unpremultipled 32bit 597ce217faddb4b40c1b3e698944da1951027080427Romain Guy * to whatever the bitmap's native format is. The pixels in the source 598ce217faddb4b40c1b3e698944da1951027080427Romain Guy * buffer are assumed to be in the bitmap's color space.</p> 5991f58497e7dbab1b16e97c73b65559b852d0c2803Romain Guy * <p>After this method returns, the current position of the buffer is 6001f58497e7dbab1b16e97c73b65559b852d0c2803Romain Guy * updated: the position is incremented by the number of elements read from 6011f58497e7dbab1b16e97c73b65559b852d0c2803Romain Guy * the buffer. If you need to read the bitmap from the buffer again you must 6021f58497e7dbab1b16e97c73b65559b852d0c2803Romain Guy * first rewind the buffer.</p> 603980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv * @throws IllegalStateException if the bitmap's config is {@link Config#HARDWARE} 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void copyPixelsFromBuffer(Buffer src) { 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("copyPixelsFromBuffer called on recycled bitmap"); 607980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv checkHardware("unable to copyPixelsFromBuffer, Config#HARDWARE bitmaps are immutable"); 6088cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int elements = src.remaining(); 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int shift; 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (src instanceof ByteBuffer) { 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 0; 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (src instanceof ShortBuffer) { 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 1; 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (src instanceof IntBuffer) { 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 2; 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("unsupported Buffer subclass"); 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6208cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 6213849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy long bufferBytes = (long) elements << shift; 622f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson long bitmapBytes = getByteCount(); 6238cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufferBytes < bitmapBytes) { 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Buffer not large enough for pixels"); 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6278cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 628775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeCopyPixelsFromBuffer(mNativePtr, src); 62955adc145d460be4b21de0d77be1f6076c3591e3cMarco Nelissen 63055adc145d460be4b21de0d77be1f6076c3591e3cMarco Nelissen // now update the buffer's position 63155adc145d460be4b21de0d77be1f6076c3591e3cMarco Nelissen int position = src.position(); 63255adc145d460be4b21de0d77be1f6076c3591e3cMarco Nelissen position += bitmapBytes >> shift; 63355adc145d460be4b21de0d77be1f6076c3591e3cMarco Nelissen src.position(position); 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6358cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 6369fd259c9b0878ba52fec86173d76976e70977fcdsergeyv private void noteHardwareBitmapSlowCall() { 6379fd259c9b0878ba52fec86173d76976e70977fcdsergeyv if (getConfig() == Config.HARDWARE) { 6389fd259c9b0878ba52fec86173d76976e70977fcdsergeyv StrictMode.noteSlowCall("Warning: attempt to read pixels from hardware " 6399fd259c9b0878ba52fec86173d76976e70977fcdsergeyv + "bitmap, which is very slow operation"); 6409fd259c9b0878ba52fec86173d76976e70977fcdsergeyv } 6419fd259c9b0878ba52fec86173d76976e70977fcdsergeyv } 6429fd259c9b0878ba52fec86173d76976e70977fcdsergeyv 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Tries to make a new bitmap based on the dimensions of this bitmap, 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setting the new bitmap's config to the one specified, and then copying 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this bitmap's pixels into the new bitmap. If the conversion is not 64796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * supported, or the allocator fails, then this returns NULL. The returned 6488242656f495847c50c9ceaea92839dce78218a75Romain Guy * bitmap has the same density and color space as the original. 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param config The desired config for the resulting bitmap 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param isMutable True if the resulting bitmap should be mutable (i.e. 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its pixels can be modified) 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the new bitmap, or null if the copy could not be made. 65405126d151eb3caa85bd3a039cffb6e37940c3fa4sergeyv * @throws IllegalArgumentException if config is {@link Config#HARDWARE} and isMutable is true 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Bitmap copy(Config config, boolean isMutable) { 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't copy a recycled bitmap"); 65805126d151eb3caa85bd3a039cffb6e37940c3fa4sergeyv if (config == Config.HARDWARE && isMutable) { 65905126d151eb3caa85bd3a039cffb6e37940c3fa4sergeyv throw new IllegalArgumentException("Hardware bitmaps are always immutable"); 66005126d151eb3caa85bd3a039cffb6e37940c3fa4sergeyv } 6619fd259c9b0878ba52fec86173d76976e70977fcdsergeyv noteHardwareBitmapSlowCall(); 662775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler Bitmap b = nativeCopy(mNativePtr, config.nativeInt, isMutable); 66396e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn if (b != null) { 66457ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III b.setPremultiplied(mRequestPremultiplied); 66596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn b.mDensity = mDensity; 66696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn } 66796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn return b; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 67002d9102b3bdebac6989c2b7d12c080fb7c1f8e2bBrad Fitzpatrick /** 671721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews * Creates a new immutable bitmap backed by ashmem which can efficiently 6728242656f495847c50c9ceaea92839dce78218a75Romain Guy * be passed between processes. The bitmap is assumed to be in the sRGB 6738242656f495847c50c9ceaea92839dce78218a75Romain Guy * color space. 674721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews * 675721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews * @hide 676721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews */ 677721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews public Bitmap createAshmemBitmap() { 678721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews checkRecycled("Can't copy a recycled bitmap"); 6799fd259c9b0878ba52fec86173d76976e70977fcdsergeyv noteHardwareBitmapSlowCall(); 680775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler Bitmap b = nativeCopyAshmem(mNativePtr); 681721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews if (b != null) { 682721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews b.setPremultiplied(mRequestPremultiplied); 683721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews b.mDensity = mDensity; 684721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews } 685721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews return b; 686721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews } 687721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews 688721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews /** 689a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson * Creates a new immutable bitmap backed by ashmem which can efficiently 6908242656f495847c50c9ceaea92839dce78218a75Romain Guy * be passed between processes. The bitmap is assumed to be in the sRGB 6918242656f495847c50c9ceaea92839dce78218a75Romain Guy * color space. 692a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson * 693a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson * @hide 694a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson */ 695a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson public Bitmap createAshmemBitmap(Config config) { 696a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson checkRecycled("Can't copy a recycled bitmap"); 6979fd259c9b0878ba52fec86173d76976e70977fcdsergeyv noteHardwareBitmapSlowCall(); 698a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson Bitmap b = nativeCopyAshmemConfig(mNativePtr, config.nativeInt); 699a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson if (b != null) { 700a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson b.setPremultiplied(mRequestPremultiplied); 701a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson b.mDensity = mDensity; 702a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson } 703a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson return b; 704a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson } 705a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson 706a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson /** 7070a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv * Create hardware bitmap backed GraphicBuffer. 7080a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv * 7090a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv * @return Bitmap or null if this GraphicBuffer has unsupported PixelFormat. 7100a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv * currently PIXEL_FORMAT_RGBA_8888 is the only supported format 7110a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv * @hide 7120a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv */ 7138242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createHardwareBitmap(@NonNull GraphicBuffer graphicBuffer) { 7140a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv return nativeCreateHardwareBitmap(graphicBuffer); 7150a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv } 7160a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv 7170a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv /** 718f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * Creates a new bitmap, scaled from an existing bitmap, when possible. If the 719f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * specified width and height are the same as the current width and height of 7209f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * the source bitmap, the source bitmap is returned and no new bitmap is 721f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * created. 72202d9102b3bdebac6989c2b7d12c080fb7c1f8e2bBrad Fitzpatrick * 72302d9102b3bdebac6989c2b7d12c080fb7c1f8e2bBrad Fitzpatrick * @param src The source bitmap. 72402d9102b3bdebac6989c2b7d12c080fb7c1f8e2bBrad Fitzpatrick * @param dstWidth The new bitmap's desired width. 72502d9102b3bdebac6989c2b7d12c080fb7c1f8e2bBrad Fitzpatrick * @param dstHeight The new bitmap's desired height. 72602d9102b3bdebac6989c2b7d12c080fb7c1f8e2bBrad Fitzpatrick * @param filter true if the source should be filtered. 727f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * @return The new scaled bitmap or the source bitmap if no scaling is required. 728790552b240c05d58407f7c14acba656b2e85c523Romain Guy * @throws IllegalArgumentException if width is <= 0, or height is <= 0 72902d9102b3bdebac6989c2b7d12c080fb7c1f8e2bBrad Fitzpatrick */ 7308242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createScaledBitmap(@NonNull Bitmap src, int dstWidth, int dstHeight, 731f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy boolean filter) { 7328242656f495847c50c9ceaea92839dce78218a75Romain Guy Matrix m = new Matrix(); 7338cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int width = src.getWidth(); 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int height = src.getHeight(); 7368242656f495847c50c9ceaea92839dce78218a75Romain Guy if (width != dstWidth || height != dstHeight) { 7378242656f495847c50c9ceaea92839dce78218a75Romain Guy final float sx = dstWidth / (float) width; 7388242656f495847c50c9ceaea92839dce78218a75Romain Guy final float sy = dstHeight / (float) height; 7398242656f495847c50c9ceaea92839dce78218a75Romain Guy m.setScale(sx, sy); 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7418242656f495847c50c9ceaea92839dce78218a75Romain Guy return Bitmap.createBitmap(src, 0, 0, width, height, m, filter); 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7438cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns an immutable bitmap from the source bitmap. The new bitmap may 74696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * be the same object as source, or a copy may have been made. It is 7478242656f495847c50c9ceaea92839dce78218a75Romain Guy * initialized with the same density and color space as the original bitmap. 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7498242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createBitmap(@NonNull Bitmap src) { 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return createBitmap(src, 0, 0, src.getWidth(), src.getHeight()); 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns an immutable bitmap from the specified subset of the source 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bitmap. The new bitmap may be the same object as source, or a copy may 7568242656f495847c50c9ceaea92839dce78218a75Romain Guy * have been made. It is initialized with the same density and color space 7578242656f495847c50c9ceaea92839dce78218a75Romain Guy * as the original bitmap. 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source The bitmap we are subsetting 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x coordinate of the first pixel in source 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y coordinate of the first pixel in source 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The number of pixels in each row 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The number of rows 764f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * @return A copy of a subset of the source bitmap or the source bitmap itself. 765790552b240c05d58407f7c14acba656b2e85c523Romain Guy * @throws IllegalArgumentException if the x, y, width, height values are 766790552b240c05d58407f7c14acba656b2e85c523Romain Guy * outside of the dimensions of the source bitmap, or width is <= 0, 767790552b240c05d58407f7c14acba656b2e85c523Romain Guy * or height is <= 0 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7698242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createBitmap(@NonNull Bitmap source, int x, int y, int width, int height) { 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return createBitmap(source, x, y, width, height, null, false); 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7728cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns an immutable bitmap from subset of the source bitmap, 775f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * transformed by the optional matrix. The new bitmap may be the 776f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * same object as source, or a copy may have been made. It is 7778242656f495847c50c9ceaea92839dce78218a75Romain Guy * initialized with the same density and color space as the original 7788242656f495847c50c9ceaea92839dce78218a75Romain Guy * bitmap. 779f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 780f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * If the source bitmap is immutable and the requested subset is the 781f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * same as the source bitmap itself, then the source bitmap is 782f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * returned and no new bitmap is created. 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source The bitmap we are subsetting 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x coordinate of the first pixel in source 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y coordinate of the first pixel in source 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The number of pixels in each row 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The number of rows 78960b88edea7132ddce90f2dced07c6706f1502270Ken Shirriff * @param m Optional matrix to be applied to the pixels 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param filter true if the source should be filtered. 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Only applies if the matrix contains more than just 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * translation. 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A bitmap that represents the specified subset of source 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalArgumentException if the x, y, width, height values are 795790552b240c05d58407f7c14acba656b2e85c523Romain Guy * outside of the dimensions of the source bitmap, or width is <= 0, 796790552b240c05d58407f7c14acba656b2e85c523Romain Guy * or height is <= 0 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7988242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createBitmap(@NonNull Bitmap source, int x, int y, int width, int height, 7998242656f495847c50c9ceaea92839dce78218a75Romain Guy @Nullable Matrix m, boolean filter) { 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkXYSign(x, y); 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkWidthHeight(width, height); 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (x + width > source.getWidth()) { 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("x + width must be <= bitmap.width()"); 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (y + height > source.getHeight()) { 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("y + height must be <= bitmap.height()"); 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // check if we can just return our argument unchanged 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!source.isMutable() && x == 0 && y == 0 && width == source.getWidth() && 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height == source.getHeight() && (m == null || m.isIdentity())) { 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return source; 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8158cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 81681f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv boolean isHardware = source.getConfig() == Config.HARDWARE; 81781f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv if (isHardware) { 8189fd259c9b0878ba52fec86173d76976e70977fcdsergeyv source.noteHardwareBitmapSlowCall(); 81981f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv source = nativeCopyPreserveInternalConfig(source.mNativePtr); 82081f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv } 82181f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int neww = width; 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newh = height; 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Bitmap bitmap; 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint; 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect srcR = new Rect(x, y, x + width, y + height); 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RectF dstR = new RectF(0, 0, width, height); 82929cd3e922612afff4cd5fa9694013e5e8ae93661Derek Sollenberger RectF deviceR = new RectF(); 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 831feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy Config newConfig = Config.ARGB_8888; 832feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy final Config config = source.getConfig(); 833feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy // GIF files generate null configs, assume ARGB_8888 834feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy if (config != null) { 835feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy switch (config) { 836feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy case RGB_565: 837feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy newConfig = Config.RGB_565; 838feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy break; 839feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy case ALPHA_8: 840feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy newConfig = Config.ALPHA_8; 841feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy break; 8429505a6552764461c22ce48f1ac13d025d23e1579Romain Guy case RGBA_F16: 8439505a6552764461c22ce48f1ac13d025d23e1579Romain Guy newConfig = Config.RGBA_F16; 8449505a6552764461c22ce48f1ac13d025d23e1579Romain Guy break; 845676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy //noinspection deprecation 846feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy case ARGB_4444: 847feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy case ARGB_8888: 848feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy default: 849feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy newConfig = Config.ARGB_8888; 850feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy break; 851feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy } 852feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy } 853d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (m == null || m.isIdentity()) { 855d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy bitmap = createBitmap(neww, newh, newConfig, source.hasAlpha()); 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint = null; // not needed 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 858d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy final boolean transformed = !m.rectStaysRect(); 859d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project m.mapRect(deviceR, dstR); 861d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project neww = Math.round(deviceR.width()); 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newh = Math.round(deviceR.height()); 864d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy 8659505a6552764461c22ce48f1ac13d025d23e1579Romain Guy Config transformedConfig = newConfig; 8669505a6552764461c22ce48f1ac13d025d23e1579Romain Guy if (transformed) { 8679505a6552764461c22ce48f1ac13d025d23e1579Romain Guy if (transformedConfig != Config.ARGB_8888 && transformedConfig != Config.RGBA_F16) { 8689505a6552764461c22ce48f1ac13d025d23e1579Romain Guy transformedConfig = Config.ARGB_8888; 8699505a6552764461c22ce48f1ac13d025d23e1579Romain Guy } 8709505a6552764461c22ce48f1ac13d025d23e1579Romain Guy } 8719505a6552764461c22ce48f1ac13d025d23e1579Romain Guy bitmap = createBitmap(neww, newh, transformedConfig, transformed || source.hasAlpha()); 872d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint = new Paint(); 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.setFilterBitmap(filter); 875d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy if (transformed) { 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.setAntiAlias(true); 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8798790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III 8808242656f495847c50c9ceaea92839dce78218a75Romain Guy nativeCopyColorSpace(source.mNativePtr, bitmap.mNativePtr); 8818242656f495847c50c9ceaea92839dce78218a75Romain Guy 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The new bitmap was created from a known bitmap source so assume that 88311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn // they use the same density 88411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn bitmap.mDensity = source.mDensity; 88557ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III bitmap.setHasAlpha(source.hasAlpha()); 88657ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III bitmap.setPremultiplied(source.mRequestPremultiplied); 8878790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III 88829cd3e922612afff4cd5fa9694013e5e8ae93661Derek Sollenberger Canvas canvas = new Canvas(bitmap); 88929cd3e922612afff4cd5fa9694013e5e8ae93661Derek Sollenberger canvas.translate(-deviceR.left, -deviceR.top); 89029cd3e922612afff4cd5fa9694013e5e8ae93661Derek Sollenberger canvas.concat(m); 89196e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn canvas.drawBitmap(source, srcR, dstR, paint); 8926311d0a079702b29984c0d31937345be105e1a5eDianne Hackborn canvas.setBitmap(null); 89381f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv if (isHardware) { 89481f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv return bitmap.copy(Config.HARDWARE, false); 89581f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv } 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bitmap; 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8988cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 90096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * Returns a mutable bitmap with the specified width and height. Its 9018242656f495847c50c9ceaea92839dce78218a75Romain Guy * initial density is as per {@link #getDensity}. The newly created 9028242656f495847c50c9ceaea92839dce78218a75Romain Guy * bitmap is in the {@link ColorSpace.Named#SRGB sRGB} color space. 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The width of the bitmap 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The height of the bitmap 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param config The bitmap config to create. 9079fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * @throws IllegalArgumentException if the width or height are <= 0, or if 9089fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * Config is Config.HARDWARE, because hardware bitmaps are always immutable 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9108242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createBitmap(int width, int height, @NonNull Config config) { 911d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy return createBitmap(width, height, config, true); 912d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy } 913d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy 914d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy /** 915d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy * Returns a mutable bitmap with the specified width and height. Its 916dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * initial density is determined from the given {@link DisplayMetrics}. 9178242656f495847c50c9ceaea92839dce78218a75Romain Guy * The newly created bitmap is in the {@link ColorSpace.Named#SRGB sRGB} 9188242656f495847c50c9ceaea92839dce78218a75Romain Guy * color space. 919dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * 920dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param display Display metrics for the display this bitmap will be 921dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * drawn on. 922dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param width The width of the bitmap 923dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param height The height of the bitmap 924dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param config The bitmap config to create. 9259fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * @throws IllegalArgumentException if the width or height are <= 0, or if 9269fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * Config is Config.HARDWARE, because hardware bitmaps are always immutable 927dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn */ 9288242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createBitmap(@Nullable DisplayMetrics display, int width, 9298242656f495847c50c9ceaea92839dce78218a75Romain Guy int height, @NonNull Config config) { 930dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn return createBitmap(display, width, height, config, true); 931dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn } 932dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn 933dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn /** 934dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * Returns a mutable bitmap with the specified width and height. Its 9358242656f495847c50c9ceaea92839dce78218a75Romain Guy * initial density is as per {@link #getDensity}. The newly created 9368242656f495847c50c9ceaea92839dce78218a75Romain Guy * bitmap is in the {@link ColorSpace.Named#SRGB sRGB} color space. 937d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy * 938d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy * @param width The width of the bitmap 939d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy * @param height The height of the bitmap 940d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy * @param config The bitmap config to create. 9419505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * @param hasAlpha If the bitmap is ARGB_8888 or RGBA_16F this flag can be used to 9429505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * mark the bitmap as opaque. Doing so will clear the bitmap in black 943f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * instead of transparent. 944f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 9459fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * @throws IllegalArgumentException if the width or height are <= 0, or if 9469fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * Config is Config.HARDWARE, because hardware bitmaps are always immutable 947d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy */ 9488242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createBitmap(int width, int height, 9498242656f495847c50c9ceaea92839dce78218a75Romain Guy @NonNull Config config, boolean hasAlpha) { 950dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn return createBitmap(null, width, height, config, hasAlpha); 951dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn } 952dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn 953dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn /** 954dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * Returns a mutable bitmap with the specified width and height. Its 9558242656f495847c50c9ceaea92839dce78218a75Romain Guy * initial density is as per {@link #getDensity}. 9568242656f495847c50c9ceaea92839dce78218a75Romain Guy * 9578242656f495847c50c9ceaea92839dce78218a75Romain Guy * @param width The width of the bitmap 9588242656f495847c50c9ceaea92839dce78218a75Romain Guy * @param height The height of the bitmap 9598242656f495847c50c9ceaea92839dce78218a75Romain Guy * @param config The bitmap config to create. 9608242656f495847c50c9ceaea92839dce78218a75Romain Guy * @param hasAlpha If the bitmap is ARGB_8888 or RGBA_16F this flag can be used to 9618242656f495847c50c9ceaea92839dce78218a75Romain Guy * mark the bitmap as opaque. Doing so will clear the bitmap in black 9628242656f495847c50c9ceaea92839dce78218a75Romain Guy * instead of transparent. 9631fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy * @param colorSpace The color space of the bitmap. If the config is {@link Config#RGBA_F16}, 9641fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy * {@link ColorSpace.Named#EXTENDED_SRGB scRGB} is assumed, and if the 9651fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy * config is not {@link Config#ARGB_8888}, {@link ColorSpace.Named#SRGB sRGB} 9661fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy * is assumed. 9678242656f495847c50c9ceaea92839dce78218a75Romain Guy * 9688242656f495847c50c9ceaea92839dce78218a75Romain Guy * @throws IllegalArgumentException if the width or height are <= 0, if 9698242656f495847c50c9ceaea92839dce78218a75Romain Guy * Config is Config.HARDWARE (because hardware bitmaps are always 9708242656f495847c50c9ceaea92839dce78218a75Romain Guy * immutable), if the specified color space is not {@link ColorSpace.Model#RGB RGB}, 9711fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy * if the specified color space's transfer function is not an 9721fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy * {@link ColorSpace.Rgb.TransferParameters ICC parametric curve}, or if 9731fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy * the color space is null 9748242656f495847c50c9ceaea92839dce78218a75Romain Guy */ 9758242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createBitmap(int width, int height, @NonNull Config config, 9761fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy boolean hasAlpha, @NonNull ColorSpace colorSpace) { 9778242656f495847c50c9ceaea92839dce78218a75Romain Guy return createBitmap(null, width, height, config, hasAlpha, colorSpace); 9788242656f495847c50c9ceaea92839dce78218a75Romain Guy } 9798242656f495847c50c9ceaea92839dce78218a75Romain Guy 9808242656f495847c50c9ceaea92839dce78218a75Romain Guy /** 9818242656f495847c50c9ceaea92839dce78218a75Romain Guy * Returns a mutable bitmap with the specified width and height. Its 982dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * initial density is determined from the given {@link DisplayMetrics}. 9838242656f495847c50c9ceaea92839dce78218a75Romain Guy * The newly created bitmap is in the {@link ColorSpace.Named#SRGB sRGB} 9848242656f495847c50c9ceaea92839dce78218a75Romain Guy * color space. 985dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * 986dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param display Display metrics for the display this bitmap will be 987dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * drawn on. 988dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param width The width of the bitmap 989dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param height The height of the bitmap 990dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param config The bitmap config to create. 9919505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * @param hasAlpha If the bitmap is ARGB_8888 or RGBA_16F this flag can be used to 9929505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * mark the bitmap as opaque. Doing so will clear the bitmap in black 993f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * instead of transparent. 994f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 9959fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * @throws IllegalArgumentException if the width or height are <= 0, or if 9969fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * Config is Config.HARDWARE, because hardware bitmaps are always immutable 997dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn */ 9988242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createBitmap(@Nullable DisplayMetrics display, int width, int height, 9998242656f495847c50c9ceaea92839dce78218a75Romain Guy @NonNull Config config, boolean hasAlpha) { 10001fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy return createBitmap(display, width, height, config, hasAlpha, 10011fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy ColorSpace.get(ColorSpace.Named.SRGB)); 10028242656f495847c50c9ceaea92839dce78218a75Romain Guy } 10038242656f495847c50c9ceaea92839dce78218a75Romain Guy 10048242656f495847c50c9ceaea92839dce78218a75Romain Guy /** 10058242656f495847c50c9ceaea92839dce78218a75Romain Guy * Returns a mutable bitmap with the specified width and height. Its 10068242656f495847c50c9ceaea92839dce78218a75Romain Guy * initial density is determined from the given {@link DisplayMetrics}. 10078242656f495847c50c9ceaea92839dce78218a75Romain Guy * The newly created bitmap is in the {@link ColorSpace.Named#SRGB sRGB} 10088242656f495847c50c9ceaea92839dce78218a75Romain Guy * color space. 10098242656f495847c50c9ceaea92839dce78218a75Romain Guy * 10108242656f495847c50c9ceaea92839dce78218a75Romain Guy * @param display Display metrics for the display this bitmap will be 10118242656f495847c50c9ceaea92839dce78218a75Romain Guy * drawn on. 10128242656f495847c50c9ceaea92839dce78218a75Romain Guy * @param width The width of the bitmap 10138242656f495847c50c9ceaea92839dce78218a75Romain Guy * @param height The height of the bitmap 10148242656f495847c50c9ceaea92839dce78218a75Romain Guy * @param config The bitmap config to create. 10158242656f495847c50c9ceaea92839dce78218a75Romain Guy * @param hasAlpha If the bitmap is ARGB_8888 or RGBA_16F this flag can be used to 10168242656f495847c50c9ceaea92839dce78218a75Romain Guy * mark the bitmap as opaque. Doing so will clear the bitmap in black 10178242656f495847c50c9ceaea92839dce78218a75Romain Guy * instead of transparent. 10181fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy * @param colorSpace The color space of the bitmap. If the config is {@link Config#RGBA_F16}, 10191fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy * {@link ColorSpace.Named#EXTENDED_SRGB scRGB} is assumed, and if the 10201fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy * config is not {@link Config#ARGB_8888}, {@link ColorSpace.Named#SRGB sRGB} 10211fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy * is assumed. 10228242656f495847c50c9ceaea92839dce78218a75Romain Guy * 10238242656f495847c50c9ceaea92839dce78218a75Romain Guy * @throws IllegalArgumentException if the width or height are <= 0, if 10248242656f495847c50c9ceaea92839dce78218a75Romain Guy * Config is Config.HARDWARE (because hardware bitmaps are always 10258242656f495847c50c9ceaea92839dce78218a75Romain Guy * immutable), if the specified color space is not {@link ColorSpace.Model#RGB RGB}, 10261fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy * if the specified color space's transfer function is not an 10271fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy * {@link ColorSpace.Rgb.TransferParameters ICC parametric curve}, or if 10281fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy * the color space is null 10298242656f495847c50c9ceaea92839dce78218a75Romain Guy */ 10308242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createBitmap(@Nullable DisplayMetrics display, int width, int height, 10311fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy @NonNull Config config, boolean hasAlpha, @NonNull ColorSpace colorSpace) { 1032e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy if (width <= 0 || height <= 0) { 1033e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy throw new IllegalArgumentException("width and height must be > 0"); 1034e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 10359fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv if (config == Config.HARDWARE) { 10369fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv throw new IllegalArgumentException("can't create mutable bitmap with Config.HARDWARE"); 10379fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv } 10381fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy if (colorSpace == null) { 10391fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy throw new IllegalArgumentException("can't create bitmap without a color space"); 10401fa9d86ea4ce1d2344deaccad002413f88317010Romain Guy } 10418242656f495847c50c9ceaea92839dce78218a75Romain Guy 10428242656f495847c50c9ceaea92839dce78218a75Romain Guy Bitmap bm; 104308587d45b103d749c1483ec7fae80888985b5eaaRomain Guy // nullptr color spaces have a particular meaning in native and are interpreted as sRGB 104408587d45b103d749c1483ec7fae80888985b5eaaRomain Guy // (we also avoid the unnecessary extra work of the else branch) 104508587d45b103d749c1483ec7fae80888985b5eaaRomain Guy if (config != Config.ARGB_8888 || colorSpace == ColorSpace.get(ColorSpace.Named.SRGB)) { 10468242656f495847c50c9ceaea92839dce78218a75Romain Guy bm = nativeCreate(null, 0, width, width, height, config.nativeInt, true, null, null); 10478242656f495847c50c9ceaea92839dce78218a75Romain Guy } else { 10488242656f495847c50c9ceaea92839dce78218a75Romain Guy if (!(colorSpace instanceof ColorSpace.Rgb)) { 10498242656f495847c50c9ceaea92839dce78218a75Romain Guy throw new IllegalArgumentException("colorSpace must be an RGB color space"); 10508242656f495847c50c9ceaea92839dce78218a75Romain Guy } 10518242656f495847c50c9ceaea92839dce78218a75Romain Guy ColorSpace.Rgb rgb = (ColorSpace.Rgb) colorSpace; 10528242656f495847c50c9ceaea92839dce78218a75Romain Guy ColorSpace.Rgb.TransferParameters parameters = rgb.getTransferParameters(); 10538242656f495847c50c9ceaea92839dce78218a75Romain Guy if (parameters == null) { 10548242656f495847c50c9ceaea92839dce78218a75Romain Guy throw new IllegalArgumentException("colorSpace must use an ICC " 10558242656f495847c50c9ceaea92839dce78218a75Romain Guy + "parametric transfer function"); 10568242656f495847c50c9ceaea92839dce78218a75Romain Guy } 10578242656f495847c50c9ceaea92839dce78218a75Romain Guy 10588242656f495847c50c9ceaea92839dce78218a75Romain Guy ColorSpace.Rgb d50 = (ColorSpace.Rgb) ColorSpace.adapt(rgb, ColorSpace.ILLUMINANT_D50); 10598242656f495847c50c9ceaea92839dce78218a75Romain Guy bm = nativeCreate(null, 0, width, width, height, config.nativeInt, true, 10608242656f495847c50c9ceaea92839dce78218a75Romain Guy d50.getTransform(), parameters); 10618242656f495847c50c9ceaea92839dce78218a75Romain Guy } 10628242656f495847c50c9ceaea92839dce78218a75Romain Guy 1063dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn if (display != null) { 1064dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn bm.mDensity = display.densityDpi; 1065dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn } 10668790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III bm.setHasAlpha(hasAlpha); 10679505a6552764461c22ce48f1ac13d025d23e1579Romain Guy if ((config == Config.ARGB_8888 || config == Config.RGBA_F16) && !hasAlpha) { 1068775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeErase(bm.mNativePtr, 0xff000000); 1069d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy } 10703b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // No need to initialize the bitmap to zeroes with other configs; 10713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // it is backed by a VM byte array which is by definition preinitialized 10723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // to all zeroes. 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bm; 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10758cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a immutable bitmap with the specified width and height, with each 107896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * pixel value set to the corresponding value in the colors array. Its 10798242656f495847c50c9ceaea92839dce78218a75Romain Guy * initial density is as per {@link #getDensity}. The newly created 10808242656f495847c50c9ceaea92839dce78218a75Romain Guy * bitmap is in the {@link ColorSpace.Named#SRGB sRGB} color space. 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10828242656f495847c50c9ceaea92839dce78218a75Romain Guy * @param colors Array of sRGB {@link Color colors} used to initialize the pixels. 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset Number of values to skip before the first color in the 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * array of colors. 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stride Number of colors in the array between rows (must be >= 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * width or <= -width). 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The width of the bitmap 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The height of the bitmap 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param config The bitmap config to create. If the config does not 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * support per-pixel alpha (e.g. RGB_565), then the alpha 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bytes in the colors[] will be ignored (assumed to be FF) 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalArgumentException if the width or height are <= 0, or if 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the color array's length is less than the number of pixels. 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10958242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createBitmap(@NonNull @ColorInt int[] colors, int offset, int stride, 10968242656f495847c50c9ceaea92839dce78218a75Romain Guy int width, int height, @NonNull Config config) { 1097dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn return createBitmap(null, colors, offset, stride, width, height, config); 1098dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn } 1099dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn 1100dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn /** 1101dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * Returns a immutable bitmap with the specified width and height, with each 1102dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * pixel value set to the corresponding value in the colors array. Its 1103dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * initial density is determined from the given {@link DisplayMetrics}. 11048242656f495847c50c9ceaea92839dce78218a75Romain Guy * The newly created bitmap is in the {@link ColorSpace.Named#SRGB sRGB} 11058242656f495847c50c9ceaea92839dce78218a75Romain Guy * color space. 1106dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * 1107dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param display Display metrics for the display this bitmap will be 1108dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * drawn on. 11098242656f495847c50c9ceaea92839dce78218a75Romain Guy * @param colors Array of sRGB {@link Color colors} used to initialize the pixels. 1110dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param offset Number of values to skip before the first color in the 1111dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * array of colors. 1112dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param stride Number of colors in the array between rows (must be >= 1113dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * width or <= -width). 1114dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param width The width of the bitmap 1115dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param height The height of the bitmap 1116dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param config The bitmap config to create. If the config does not 1117dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * support per-pixel alpha (e.g. RGB_565), then the alpha 1118dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * bytes in the colors[] will be ignored (assumed to be FF) 1119dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @throws IllegalArgumentException if the width or height are <= 0, or if 1120dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * the color array's length is less than the number of pixels. 1121dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn */ 11228242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createBitmap(@NonNull DisplayMetrics display, 11238242656f495847c50c9ceaea92839dce78218a75Romain Guy @NonNull @ColorInt int[] colors, int offset, int stride, 11248242656f495847c50c9ceaea92839dce78218a75Romain Guy int width, int height, @NonNull Config config) { 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkWidthHeight(width, height); 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Math.abs(stride) < width) { 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("abs(stride) must be >= width"); 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int lastScanline = offset + (height - 1) * stride; 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = colors.length; 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offset < 0 || (offset + width > length) || lastScanline < 0 || 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (lastScanline + width > length)) { 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1136e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy if (width <= 0 || height <= 0) { 1137e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy throw new IllegalArgumentException("width and height must be > 0"); 1138e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 1139dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn Bitmap bm = nativeCreate(colors, offset, stride, width, height, 11408242656f495847c50c9ceaea92839dce78218a75Romain Guy config.nativeInt, false, null, null); 1141dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn if (display != null) { 1142dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn bm.mDensity = display.densityDpi; 1143dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn } 1144dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn return bm; 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a immutable bitmap with the specified width and height, with each 114996e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * pixel value set to the corresponding value in the colors array. Its 11508242656f495847c50c9ceaea92839dce78218a75Romain Guy * initial density is as per {@link #getDensity}. The newly created 11518242656f495847c50c9ceaea92839dce78218a75Romain Guy * bitmap is in the {@link ColorSpace.Named#SRGB sRGB} color space. 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11538242656f495847c50c9ceaea92839dce78218a75Romain Guy * @param colors Array of sRGB {@link Color colors} used to initialize the pixels. 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This array must be at least as large as width * height. 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The width of the bitmap 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The height of the bitmap 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param config The bitmap config to create. If the config does not 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * support per-pixel alpha (e.g. RGB_565), then the alpha 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bytes in the colors[] will be ignored (assumed to be FF) 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalArgumentException if the width or height are <= 0, or if 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the color array's length is less than the number of pixels. 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11638242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createBitmap(@NonNull @ColorInt int[] colors, 11648242656f495847c50c9ceaea92839dce78218a75Romain Guy int width, int height, Config config) { 1165dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn return createBitmap(null, colors, 0, width, width, height, config); 1166dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn } 1167dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn 1168dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn /** 1169dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * Returns a immutable bitmap with the specified width and height, with each 1170dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * pixel value set to the corresponding value in the colors array. Its 1171dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * initial density is determined from the given {@link DisplayMetrics}. 11728242656f495847c50c9ceaea92839dce78218a75Romain Guy * The newly created bitmap is in the {@link ColorSpace.Named#SRGB sRGB} 11738242656f495847c50c9ceaea92839dce78218a75Romain Guy * color space. 1174dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * 1175dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param display Display metrics for the display this bitmap will be 1176dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * drawn on. 11778242656f495847c50c9ceaea92839dce78218a75Romain Guy * @param colors Array of sRGB {@link Color colors} used to initialize the pixels. 1178dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * This array must be at least as large as width * height. 1179dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param width The width of the bitmap 1180dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param height The height of the bitmap 1181dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param config The bitmap config to create. If the config does not 1182dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * support per-pixel alpha (e.g. RGB_565), then the alpha 1183dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * bytes in the colors[] will be ignored (assumed to be FF) 1184dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @throws IllegalArgumentException if the width or height are <= 0, or if 1185dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * the color array's length is less than the number of pixels. 1186dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn */ 11878242656f495847c50c9ceaea92839dce78218a75Romain Guy public static Bitmap createBitmap(@Nullable DisplayMetrics display, 11888242656f495847c50c9ceaea92839dce78218a75Romain Guy @NonNull @ColorInt int colors[], int width, int height, @NonNull Config config) { 1189dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn return createBitmap(display, colors, 0, width, width, height, config); 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1193716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * Creates a Bitmap from the given {@link Picture} source of recorded drawing commands. 1194716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * 1195716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * Equivalent to calling {@link #createBitmap(Picture, int, int, Config)} with 1196716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * width and height the same as the Picture's width and height and a Config.HARDWARE 1197716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * config. 1198716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * 1199716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * @param source The recorded {@link Picture} of drawing commands that will be 1200716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * drawn into the returned Bitmap. 1201716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * @return An immutable bitmap with a HARDWARE config whose contents are created 1202716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * from the recorded drawing commands in the Picture source. 1203716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik */ 1204716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik public static @NonNull Bitmap createBitmap(@NonNull Picture source) { 1205716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik return createBitmap(source, source.getWidth(), source.getHeight(), Config.HARDWARE); 1206716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik } 1207716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik 1208716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik /** 1209716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * Creates a Bitmap from the given {@link Picture} source of recorded drawing commands. 1210716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * 1211716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * The bitmap will be immutable with the given width and height. If the width and height 1212716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * are not the same as the Picture's width & height, the Picture will be scaled to 1213716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * fit the given width and height. 1214716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * 1215716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * @param source The recorded {@link Picture} of drawing commands that will be 1216716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * drawn into the returned Bitmap. 1217716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * @param width The width of the bitmap to create. The picture's width will be 1218716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * scaled to match if necessary. 1219716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * @param height The height of the bitmap to create. The picture's height will be 1220716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * scaled to match if necessary. 1221716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * @param config The {@link Config} of the created bitmap. If this is null then 1222716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * the bitmap will be {@link Config#HARDWARE}. 1223716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * 1224716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * @return An immutable bitmap with a HARDWARE config whose contents are created 1225716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik * from the recorded drawing commands in the Picture source. 1226716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik */ 1227716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik public static @NonNull Bitmap createBitmap(@NonNull Picture source, int width, int height, 1228716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik @NonNull Config config) { 1229716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik if (width <= 0 || height <= 0) { 1230716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik throw new IllegalArgumentException("width & height must be > 0"); 1231716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik } 1232716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik if (config == null) { 1233716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik throw new IllegalArgumentException("Config must not be null"); 1234716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik } 123544fc6317f11d75b8126a52a763c415c4fabd6ff4John Reck source.endRecording(); 1236716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik if (source.requiresHardwareAcceleration() && config != Config.HARDWARE) { 1237716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik StrictMode.noteSlowCall("GPU readback"); 1238716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik } 1239716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik if (config == Config.HARDWARE || source.requiresHardwareAcceleration()) { 1240716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik final RenderNode node = RenderNode.create("BitmapTemporary", null); 1241716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik node.setLeftTopRightBottom(0, 0, width, height); 1242716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik node.setClipToBounds(false); 1243716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik final DisplayListCanvas canvas = node.start(width, height); 1244716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik if (source.getWidth() != width || source.getHeight() != height) { 1245716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik canvas.scale(width / (float) source.getWidth(), 1246716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik height / (float) source.getHeight()); 1247716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik } 1248716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik canvas.drawPicture(source); 1249716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik node.end(canvas); 1250716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik Bitmap bitmap = ThreadedRenderer.createHardwareBitmap(node, width, height); 1251716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik if (config != Config.HARDWARE) { 1252716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik bitmap = bitmap.copy(config, false); 1253716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik } 1254716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik return bitmap; 1255716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik } else { 1256716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik Bitmap bitmap = Bitmap.createBitmap(width, height, config); 1257716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik Canvas canvas = new Canvas(bitmap); 1258716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik if (source.getWidth() != width || source.getHeight() != height) { 1259716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik canvas.scale(width / (float) source.getWidth(), 1260716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik height / (float) source.getHeight()); 1261716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik } 1262716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik canvas.drawPicture(source); 1263716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik canvas.setBitmap(null); 1264716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik bitmap.makeImmutable(); 1265716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik return bitmap; 1266716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik } 1267716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik } 1268716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik 1269716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik /** 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns an optional array of private data, used by the UI system for 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * some bitmaps. Not intended to be called by applications. 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public byte[] getNinePatchChunk() { 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mNinePatchChunk; 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1278c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viverette * Populates a rectangle with the bitmap's optical insets. 1279c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viverette * 1280c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viverette * @param outInsets Rect to populate with optical insets 1281ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani * @hide 1282ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani */ 1283c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viverette public void getOpticalInsets(@NonNull Rect outInsets) { 128447cd8e921db73e894f94ec4729ade90da50996f5Chris Craik if (mNinePatchInsets == null) { 1285c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viverette outInsets.setEmpty(); 1286c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viverette } else { 128747cd8e921db73e894f94ec4729ade90da50996f5Chris Craik outInsets.set(mNinePatchInsets.opticalRect); 1288c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viverette } 1289ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 1290ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 129147cd8e921db73e894f94ec4729ade90da50996f5Chris Craik /** @hide */ 129247cd8e921db73e894f94ec4729ade90da50996f5Chris Craik public NinePatch.InsetStruct getNinePatchInsets() { 129347cd8e921db73e894f94ec4729ade90da50996f5Chris Craik return mNinePatchInsets; 129447cd8e921db73e894f94ec4729ade90da50996f5Chris Craik } 129547cd8e921db73e894f94ec4729ade90da50996f5Chris Craik 1296ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani /** 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies the known formats a bitmap can be compressed into 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum CompressFormat { 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JPEG (0), 13012305ac9e4a262ed09fd034ae417e9b1dda4c0ccbVikas Arora PNG (1), 13022305ac9e4a262ed09fd034ae417e9b1dda4c0ccbVikas Arora WEBP (2); 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CompressFormat(int nativeInt) { 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.nativeInt = nativeInt; 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int nativeInt; 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Number of bytes of temp storage we use for communicating between the 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * native compressor and the java OutputStream. 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static int WORKING_COMPRESS_STORAGE = 4096; 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Write a compressed version of the bitmap to the specified outputstream. 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If this returns true, the bitmap can be reconstructed by passing a 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * corresponding inputstream to BitmapFactory.decodeStream(). Note: not 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all Formats support all bitmap configs directly, so it is possible that 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the returned bitmap from BitmapFactory could be in a different bitdepth, 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and/or may have lost per-pixel alpha (e.g. JPEG only supports opaque 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pixels). 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param format The format of the compressed image 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param quality Hint to the compressor, 0-100. 0 meaning compress for 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * small size, 100 meaning compress for max quality. Some 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * formats, like PNG which is lossless, will ignore the 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * quality setting 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stream The outputstream to write the compressed data. 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if successfully compressed to the specified stream. 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13335d3501172c9e2329f46bc6bb53050fd2ec7d2305John Reck @WorkerThread 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean compress(CompressFormat format, int quality, OutputStream stream) { 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't compress a recycled bitmap"); 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // do explicit check before calling the native method 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (stream == null) { 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (quality < 0 || quality > 100) { 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("quality must be 0..100"); 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13439fd259c9b0878ba52fec86173d76976e70977fcdsergeyv StrictMode.noteSlowCall("Compression of a bitmap is slow"); 13440df3bd5594bbbbfbf6058ecb31e9b94a1cd22f7dJohn Reck Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, "Bitmap.compress"); 1345775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler boolean result = nativeCompress(mNativePtr, format.nativeInt, 1346f29ed28c7b878ef28058bc730715d0d32445bc57John Reck quality, stream, new byte[WORKING_COMPRESS_STORAGE]); 13470df3bd5594bbbbfbf6058ecb31e9b94a1cd22f7dJohn Reck Trace.traceEnd(Trace.TRACE_TAG_RESOURCES); 13480df3bd5594bbbbfbf6058ecb31e9b94a1cd22f7dJohn Reck return result; 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13508cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1352ff236f5fc1a088b1210d37a67b0e88b06c0fbdb2Newton Allen * Returns true if the bitmap is marked as mutable (i.e. can be drawn into) 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean isMutable() { 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mIsMutable; 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1358716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik /** @hide */ 1359716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik public final void makeImmutable() { 1360716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik // todo mIsMutable = false; 1361716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik // todo nMakeImmutable(); 1362716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik } 1363716f38177ee1401373ced8d1f665431bb7a57d14Chris Craik 13643849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy /** 13653849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <p>Indicates whether pixels stored in this bitmaps are stored pre-multiplied. 13663849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * When a pixel is pre-multiplied, the RGB components have been multiplied by 13673849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * the alpha component. For instance, if the original color is a 50% 1368f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * translucent red <code>(128, 255, 0, 0)</code>, the pre-multiplied form is 13693849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <code>(128, 128, 0, 0)</code>.</p> 1370f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 13713849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <p>This method always returns false if {@link #getConfig()} is 13724ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy * {@link Bitmap.Config#RGB_565}.</p> 1373f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 137457ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * <p>The return value is undefined if {@link #getConfig()} is 137557ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * {@link Bitmap.Config#ALPHA_8}.</p> 137657ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * 13774ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy * <p>This method only returns true if {@link #hasAlpha()} returns true. 13784ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy * A bitmap with no alpha channel can be used both as a pre-multiplied and 13794ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy * as a non pre-multiplied bitmap.</p> 13801abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * 13811abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * <p>Only pre-multiplied bitmaps may be drawn by the view system or 13821abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * {@link Canvas}. If a non-pre-multiplied bitmap with an alpha channel is 13831abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * drawn to a Canvas, a RuntimeException will be thrown.</p> 13841abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * 13853849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * @return true if the underlying pixels have been pre-multiplied, false 13863849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * otherwise 13871abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * 13881abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * @see Bitmap#setPremultiplied(boolean) 13891abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * @see BitmapFactory.Options#inPremultiplied 13903849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy */ 13913849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy public final boolean isPremultiplied() { 139201a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 139301a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called isPremultiplied() on a recycle()'d bitmap! This is undefined behavior!"); 139401a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 1395775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return nativeIsPremultiplied(mNativePtr); 13961abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik } 13971abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik 13981abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik /** 13991abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * Sets whether the bitmap should treat its data as pre-multiplied. 14001abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * 14011abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * <p>Bitmaps are always treated as pre-multiplied by the view system and 14021abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * {@link Canvas} for performance reasons. Storing un-pre-multiplied data in 14031abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * a Bitmap (through {@link #setPixel}, {@link #setPixels}, or {@link 14041abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * BitmapFactory.Options#inPremultiplied BitmapFactory.Options.inPremultiplied}) 14051abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * can lead to incorrect blending if drawn by the framework.</p> 14061abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * 14071abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * <p>This method will not affect the behavior of a bitmap without an alpha 14081abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * channel, or if {@link #hasAlpha()} returns false.</p> 14091abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * 1410889a1ddd00b74933d5f7daa651d98133bcb034baBen Murdoch * <p>Calling {@link #createBitmap} or {@link #createScaledBitmap} with a source 14118790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III * Bitmap whose colors are not pre-multiplied may result in a RuntimeException, 14128790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III * since those functions require drawing the source, which is not supported for 14138790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III * un-pre-multiplied Bitmaps.</p> 14148790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III * 14151abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * @see Bitmap#isPremultiplied() 14161abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * @see BitmapFactory.Options#inPremultiplied 14171abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik */ 14181abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik public final void setPremultiplied(boolean premultiplied) { 14193e776dee3e8af646cdcfb7a60e0e301c99f05293John Reck checkRecycled("setPremultiplied called on a recycled bitmap"); 142057ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III mRequestPremultiplied = premultiplied; 1421775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeSetPremultiplied(mNativePtr, premultiplied); 14223849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy } 14233849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Returns the bitmap's width */ 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final int getWidth() { 142601a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 142701a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called getWidth() on a recycle()'d bitmap! This is undefined behavior!"); 142801a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 14291abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik return mWidth; 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Returns the bitmap's height */ 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final int getHeight() { 143401a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 143501a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called getHeight() on a recycle()'d bitmap! This is undefined behavior!"); 143601a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 14371abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik return mHeight; 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14398cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 144111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * Convenience for calling {@link #getScaledWidth(int)} with the target 144211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * density of the given {@link Canvas}. 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14442784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn public int getScaledWidth(Canvas canvas) { 144511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return scaleFromDensity(getWidth(), mDensity, canvas.mDensity); 14462784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn } 14472784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn 14482784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn /** 144911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * Convenience for calling {@link #getScaledHeight(int)} with the target 145011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * density of the given {@link Canvas}. 14512784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn */ 14522784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn public int getScaledHeight(Canvas canvas) { 145311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return scaleFromDensity(getHeight(), mDensity, canvas.mDensity); 145411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn } 145511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn 145611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn /** 145711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * Convenience for calling {@link #getScaledWidth(int)} with the target 145811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * density of the given {@link DisplayMetrics}. 145911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn */ 146011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public int getScaledWidth(DisplayMetrics metrics) { 146111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return scaleFromDensity(getWidth(), mDensity, metrics.densityDpi); 146211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn } 146311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn 146411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn /** 146511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * Convenience for calling {@link #getScaledHeight(int)} with the target 146611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * density of the given {@link DisplayMetrics}. 146711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn */ 146811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public int getScaledHeight(DisplayMetrics metrics) { 146911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return scaleFromDensity(getHeight(), mDensity, metrics.densityDpi); 14702784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn } 14712784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn 14722784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn /** 14732784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn * Convenience method that returns the width of this bitmap divided 14742784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn * by the density scale factor. 14752784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn * 147611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @param targetDensity The density of the target canvas of the bitmap. 14772784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn * @return The scaled width of this bitmap, according to the density scale factor. 14782784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn */ 147911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public int getScaledWidth(int targetDensity) { 148011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return scaleFromDensity(getWidth(), mDensity, targetDensity); 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method that returns the height of this bitmap divided 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by the density scale factor. 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 148711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @param targetDensity The density of the target canvas of the bitmap. 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The scaled height of this bitmap, according to the density scale factor. 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 149011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public int getScaledHeight(int targetDensity) { 149111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return scaleFromDensity(getHeight(), mDensity, targetDensity); 149211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn } 1493f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck 149411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn /** 149511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @hide 149611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn */ 149711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn static public int scaleFromDensity(int size, int sdensity, int tdensity) { 14980b68477f8287fe5ddac1beb1c9d0811ded034dadRomain Guy if (sdensity == DENSITY_NONE || tdensity == DENSITY_NONE || sdensity == tdensity) { 149911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return size; 15002784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn } 1501f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck 150211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn // Scale by tdensity / sdensity, rounding up. 1503366a84056c9a695ee6702d9d30bf9f3b521ba7ccRomain Guy return ((size * tdensity) + (sdensity >> 1)) / sdensity; 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1505f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the number of bytes between rows in the bitmap's pixels. Note that 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this refers to the pixels as stored natively by the bitmap. If you call 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * getPixels() or setPixels(), then the pixels are uniformly treated as 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 32bit values, packed according to the Color class. 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1512e8222dddaf2e3da14380101e818d4254899e0c0dChet Haase * <p>As of {@link android.os.Build.VERSION_CODES#KITKAT}, this method 15139f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * should not be used to calculate the memory usage of the bitmap. Instead, 15149f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * see {@link #getAllocationByteCount()}. 15159f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return number of bytes between rows of the native bitmap pixels. 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final int getRowBytes() { 151901a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 152001a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called getRowBytes() on a recycle()'d bitmap! This is undefined behavior!"); 152101a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 1522775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return nativeRowBytes(mNativePtr); 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15248cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15269f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * Returns the minimum number of bytes that can be used to store this bitmap's pixels. 15279f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * 1528e8222dddaf2e3da14380101e818d4254899e0c0dChet Haase * <p>As of {@link android.os.Build.VERSION_CODES#KITKAT}, the result of this method can 15299f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * no longer be used to determine memory usage of a bitmap. See {@link 1530c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * #getAllocationByteCount()}.</p> 1531f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson */ 1532f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson public final int getByteCount() { 15333bdecbf0fd2d4b6137477094e1ea96502c353248John Reck if (mRecycled) { 15343bdecbf0fd2d4b6137477094e1ea96502c353248John Reck Log.w(TAG, "Called getByteCount() on a recycle()'d bitmap! " 15353bdecbf0fd2d4b6137477094e1ea96502c353248John Reck + "This is undefined behavior!"); 15363bdecbf0fd2d4b6137477094e1ea96502c353248John Reck return 0; 15373bdecbf0fd2d4b6137477094e1ea96502c353248John Reck } 1538f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson // int result permits bitmaps up to 46,340 x 46,340 1539f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson return getRowBytes() * getHeight(); 1540f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson } 1541f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson 1542f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson /** 15439f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * Returns the size of the allocated memory used to store this bitmap's pixels. 15449f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * 15459f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * <p>This can be larger than the result of {@link #getByteCount()} if a bitmap is reused to 1546c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * decode other bitmaps of smaller size, or by manual reconfiguration. See {@link 1547c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * #reconfigure(int, int, Config)}, {@link #setWidth(int)}, {@link #setHeight(int)}, {@link 1548c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * #setConfig(Bitmap.Config)}, and {@link BitmapFactory.Options#inBitmap 1549c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * BitmapFactory.Options.inBitmap}. If a bitmap is not modified in this way, this value will be 1550c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * the same as that returned by {@link #getByteCount()}.</p> 1551c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 1552c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>This value will not change over the lifetime of a Bitmap.</p> 15539f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * 1554c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #reconfigure(int, int, Config) 15559f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik */ 15569f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik public final int getAllocationByteCount() { 15573bdecbf0fd2d4b6137477094e1ea96502c353248John Reck if (mRecycled) { 15583bdecbf0fd2d4b6137477094e1ea96502c353248John Reck Log.w(TAG, "Called getAllocationByteCount() on a recycle()'d bitmap! " 15593bdecbf0fd2d4b6137477094e1ea96502c353248John Reck + "This is undefined behavior!"); 15603bdecbf0fd2d4b6137477094e1ea96502c353248John Reck return 0; 15613bdecbf0fd2d4b6137477094e1ea96502c353248John Reck } 15624508218850faedea95371188da587b6734f5f3dasergeyv return nativeGetAllocationByteCount(mNativePtr); 15639f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik } 15649f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik 15659f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik /** 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If the bitmap's internal config is in one of the public formats, return 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that config, otherwise return null. 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Config getConfig() { 157001a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 157101a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called getConfig() on a recycle()'d bitmap! This is undefined behavior!"); 157201a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 1573775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return Config.nativeToConfig(nativeConfig(mNativePtr)); 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1576a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed /** Returns true if the bitmap's config supports per-pixel alpha, and 1577a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * if the pixels may contain non-opaque alpha values. For some configs, 1578a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * this is always false (e.g. RGB_565), since they do not support per-pixel 1579a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * alpha. However, for configs that do, the bitmap may be flagged to be 1580a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * known that all of its pixels are opaque. In this case hasAlpha() will 1581a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * also return false. If a config such as ARGB_8888 is not so flagged, 1582a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * it will return true by default. 1583a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed */ 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean hasAlpha() { 158501a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 158601a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called hasAlpha() on a recycle()'d bitmap! This is undefined behavior!"); 158701a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 1588775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return nativeHasAlpha(mNativePtr); 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1592a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * Tell the bitmap if all of the pixels are known to be opaque (false) 1593a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * or if some of the pixels may contain non-opaque alpha values (true). 1594366a84056c9a695ee6702d9d30bf9f3b521ba7ccRomain Guy * Note, for some configs (e.g. RGB_565) this call is ignored, since it 1595366a84056c9a695ee6702d9d30bf9f3b521ba7ccRomain Guy * does not support per-pixel alpha values. 1596a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * 1597a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * This is meant as a drawing hint, as in some cases a bitmap that is known 1598a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * to be opaque can take a faster drawing case than one that may have 1599a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * non-opaque per-pixel alpha values. 1600a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed */ 1601a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed public void setHasAlpha(boolean hasAlpha) { 16023e776dee3e8af646cdcfb7a60e0e301c99f05293John Reck checkRecycled("setHasAlpha called on a recycled bitmap"); 1603775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeSetHasAlpha(mNativePtr, hasAlpha, mRequestPremultiplied); 1604a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed } 1605a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed 1606a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed /** 1607713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * Indicates whether the renderer responsible for drawing this 1608713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * bitmap should attempt to use mipmaps when this bitmap is drawn 1609713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * scaled down. 1610f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 1611713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * If you know that you are going to draw this bitmap at less than 1612713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * 50% of its original size, you may be able to obtain a higher 1613713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * quality 1614f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 1615713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * This property is only a suggestion that can be ignored by the 1616713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * renderer. It is not guaranteed to have any effect. 1617f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 1618713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * @return true if the renderer should attempt to use mipmaps, 1619713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * false otherwise 1620f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 1621713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * @see #setHasMipMap(boolean) 1622713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy */ 1623713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy public final boolean hasMipMap() { 162401a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 162501a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called hasMipMap() on a recycle()'d bitmap! This is undefined behavior!"); 162601a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 1627775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return nativeHasMipMap(mNativePtr); 1628713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy } 1629713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy 1630713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy /** 1631713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * Set a hint for the renderer responsible for drawing this bitmap 1632713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * indicating that it should attempt to use mipmaps when this bitmap 1633713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * is drawn scaled down. 1634713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * 1635713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * If you know that you are going to draw this bitmap at less than 1636713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * 50% of its original size, you may be able to obtain a higher 1637713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * quality by turning this property on. 1638f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 1639713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * Note that if the renderer respects this hint it might have to 1640713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * allocate extra memory to hold the mipmap levels for this bitmap. 1641713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * 1642713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * This property is only a suggestion that can be ignored by the 1643713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * renderer. It is not guaranteed to have any effect. 1644713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * 1645713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * @param hasMipMap indicates whether the renderer should attempt 1646713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * to use mipmaps 1647713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * 1648713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * @see #hasMipMap() 1649713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy */ 1650713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy public final void setHasMipMap(boolean hasMipMap) { 16513e776dee3e8af646cdcfb7a60e0e301c99f05293John Reck checkRecycled("setHasMipMap called on a recycled bitmap"); 1652775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeSetHasMipMap(mNativePtr, hasMipMap); 1653713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy } 1654713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy 1655713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy /** 1656efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy * Returns the color space associated with this bitmap. If the color 1657efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy * space is unknown, this method returns null. 1658efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy */ 1659efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy @Nullable 1660efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy public final ColorSpace getColorSpace() { 1661efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy // A reconfigure can change the configuration and rgba16f is 1662efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy // always linear scRGB at this time 1663efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy if (getConfig() == Config.RGBA_F16) { 1664efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy // Reset the color space for potential future reconfigurations 1665efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy mColorSpace = null; 1666efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy return ColorSpace.get(ColorSpace.Named.LINEAR_EXTENDED_SRGB); 1667efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } 1668efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy 1669efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy // Cache the color space retrieval since it can be fairly expensive 1670efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy if (mColorSpace == null) { 1671efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy if (nativeIsSRGB(mNativePtr)) { 1672efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy mColorSpace = ColorSpace.get(ColorSpace.Named.SRGB); 1673ce89a6e656a4d4d2c0e724c485e109cd6bc60997Leon Scroggins III } else if (getConfig() == Config.HARDWARE && nativeIsSRGBLinear(mNativePtr)) { 1674ce89a6e656a4d4d2c0e724c485e109cd6bc60997Leon Scroggins III mColorSpace = ColorSpace.get(ColorSpace.Named.LINEAR_EXTENDED_SRGB); 1675efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } else { 1676efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy float[] xyz = new float[9]; 1677efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy float[] params = new float[7]; 1678efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy 1679efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy boolean hasColorSpace = nativeGetColorSpace(mNativePtr, xyz, params); 1680efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy if (hasColorSpace) { 1681efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy ColorSpace.Rgb.TransferParameters parameters = 1682efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy new ColorSpace.Rgb.TransferParameters( 1683efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy params[0], params[1], params[2], 1684efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy params[3], params[4], params[5], params[6]); 1685efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy ColorSpace cs = ColorSpace.match(xyz, parameters); 1686efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy if (cs != null) { 1687efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy mColorSpace = cs; 1688efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } else { 1689efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy mColorSpace = new ColorSpace.Rgb("Unknown", xyz, parameters); 1690efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } 1691efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } 1692efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } 1693efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } 1694efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy 1695efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy return mColorSpace; 1696efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } 1697efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy 1698efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy /** 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fills the bitmap's pixels with the specified {@link Color}. 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if the bitmap is not mutable. 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 170380756e38882720860db52f1fcc21fa1505a02abfTor Norbye public void eraseColor(@ColorInt int c) { 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't erase a recycled bitmap"); 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isMutable()) { 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("cannot erase immutable bitmaps"); 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1708775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeErase(mNativePtr, c); 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the {@link Color} at the specified location. Throws an exception 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if x or y are out of bounds (negative or >= to the width or height 1714ce217faddb4b40c1b3e698944da1951027080427Romain Guy * respectively). The returned color is a non-premultiplied ARGB value in 1715ce217faddb4b40c1b3e698944da1951027080427Romain Guy * the {@link ColorSpace.Named#SRGB sRGB} color space. 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x coordinate (0...width-1) of the pixel to return 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y coordinate (0...height-1) of the pixel to return 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The argb {@link Color} at the specified coordinate 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalArgumentException if x, y exceed the bitmap's bounds 172157eafc6f90a1ce2dd97079dd82b4b2f8dcd9e00fsergeyv * @throws IllegalStateException if the bitmap's config is {@link Config#HARDWARE} 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 172380756e38882720860db52f1fcc21fa1505a02abfTor Norbye @ColorInt 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPixel(int x, int y) { 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't call getPixel() on a recycled bitmap"); 1726980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv checkHardware("unable to getPixel(), " 1727980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv + "pixel access is not supported on Config#HARDWARE bitmaps"); 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkPixelAccess(x, y); 1729775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return nativeGetPixel(mNativePtr, x, y); 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17318cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns in pixels[] a copy of the data in the bitmap. Each value is 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a packed int representing a {@link Color}. The stride parameter allows 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the caller to allow for gaps in the returned pixels array between 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rows. For normal packed results, just pass width for the stride value. 1737ce217faddb4b40c1b3e698944da1951027080427Romain Guy * The returned colors are non-premultiplied ARGB values in the 1738ce217faddb4b40c1b3e698944da1951027080427Romain Guy * {@link ColorSpace.Named#SRGB sRGB} color space. 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pixels The array to receive the bitmap's colors 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset The first index to write into pixels[] 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stride The number of entries in pixels[] to skip between 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rows (must be >= bitmap's width). Can be negative. 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x coordinate of the first pixel to read from 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bitmap 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y coordinate of the first pixel to read from 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bitmap 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The number of pixels to read from each row 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The number of rows to read 17503849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalArgumentException if x, y, width, height exceed the 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bounds of the bitmap, or if abs(stride) < width. 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws ArrayIndexOutOfBoundsException if the pixels array is too small 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to receive the specified number of pixels. 175557eafc6f90a1ce2dd97079dd82b4b2f8dcd9e00fsergeyv * @throws IllegalStateException if the bitmap's config is {@link Config#HARDWARE} 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 175780756e38882720860db52f1fcc21fa1505a02abfTor Norbye public void getPixels(@ColorInt int[] pixels, int offset, int stride, 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int x, int y, int width, int height) { 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't call getPixels() on a recycled bitmap"); 1760980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv checkHardware("unable to getPixels(), " 1761980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv + "pixel access is not supported on Config#HARDWARE bitmaps"); 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width == 0 || height == 0) { 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // nothing to do 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkPixelsAccess(x, y, width, height, offset, stride, pixels); 1766775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeGetPixels(mNativePtr, pixels, offset, stride, 176757ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III x, y, width, height); 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17698cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Shared code to check for illegal arguments passed to getPixel() 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or setPixel() 1773f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x x coordinate of the pixel 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y y coordinate of the pixel 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void checkPixelAccess(int x, int y) { 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkXYSign(x, y); 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (x >= getWidth()) { 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("x must be < bitmap.width()"); 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (y >= getHeight()) { 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("y must be < bitmap.height()"); 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Shared code to check for illegal arguments passed to getPixels() 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or setPixels() 17909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x left edge of the area of pixels to access 17929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y top edge of the area of pixels to access 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width width of the area of pixels to access 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height height of the area of pixels to access 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset offset into pixels[] array 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stride number of elements in pixels[] between each logical row 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pixels array to hold the area of pixels being accessed 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void checkPixelsAccess(int x, int y, int width, int height, 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int offset, int stride, int pixels[]) { 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkXYSign(x, y); 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width < 0) { 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("width must be >= 0"); 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height < 0) { 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("height must be >= 0"); 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (x + width > getWidth()) { 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException( 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "x + width must be <= bitmap.width()"); 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (y + height > getHeight()) { 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException( 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "y + height must be <= bitmap.height()"); 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Math.abs(stride) < width) { 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("abs(stride) must be >= width"); 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int lastScanline = offset + (height - 1) * stride; 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = pixels.length; 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offset < 0 || (offset + width > length) 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || lastScanline < 0 18239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (lastScanline + width > length)) { 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18278cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18293849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <p>Write the specified {@link Color} into the bitmap (assuming it is 18303849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * mutable) at the x,y coordinate. The color must be a 1831ce217faddb4b40c1b3e698944da1951027080427Romain Guy * non-premultiplied ARGB value in the {@link ColorSpace.Named#SRGB sRGB} 1832ce217faddb4b40c1b3e698944da1951027080427Romain Guy * color space.</p> 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x coordinate of the pixel to replace (0...width-1) 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y coordinate of the pixel to replace (0...height-1) 18363849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * @param color The ARGB color to write into the bitmap 18373849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if the bitmap is not mutable 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalArgumentException if x, y are outside of the bitmap's 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bounds. 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 184280756e38882720860db52f1fcc21fa1505a02abfTor Norbye public void setPixel(int x, int y, @ColorInt int color) { 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't call setPixel() on a recycled bitmap"); 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isMutable()) { 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException(); 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkPixelAccess(x, y); 1848775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeSetPixel(mNativePtr, x, y, color); 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18508cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18523849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <p>Replace pixels in the bitmap with the colors in the array. Each element 18539505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * in the array is a packed int representing a non-premultiplied ARGB 1854ce217faddb4b40c1b3e698944da1951027080427Romain Guy * {@link Color} in the {@link ColorSpace.Named#SRGB sRGB} color space.</p> 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pixels The colors to write to the bitmap 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset The index of the first color to read from pixels[] 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stride The number of colors in pixels[] to skip between rows. 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Normally this value will be the same as the width of 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bitmap, but it can be larger (or negative). 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x coordinate of the first pixel to write to in 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bitmap. 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y coordinate of the first pixel to write to in 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bitmap. 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The number of colors to copy from pixels[] per row 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The number of rows to write to the bitmap 18673849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if the bitmap is not mutable 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalArgumentException if x, y, width, height are outside of 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bitmap's bounds. 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws ArrayIndexOutOfBoundsException if the pixels array is too small 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to receive the specified number of pixels. 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 187480756e38882720860db52f1fcc21fa1505a02abfTor Norbye public void setPixels(@ColorInt int[] pixels, int offset, int stride, 18753849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy int x, int y, int width, int height) { 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't call setPixels() on a recycled bitmap"); 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isMutable()) { 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException(); 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width == 0 || height == 0) { 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // nothing to do 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkPixelsAccess(x, y, width, height, offset, stride, pixels); 1884775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeSetPixels(mNativePtr, pixels, offset, stride, 188557ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III x, y, width, height); 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18878cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final Parcelable.Creator<Bitmap> CREATOR 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = new Parcelable.Creator<Bitmap>() { 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Rebuilds a bitmap previously stored with writeToParcel(). 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param p Parcel object to read the bitmap from 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a new bitmap created from the data in the parcel 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Bitmap createFromParcel(Parcel p) { 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Bitmap bm = nativeCreateFromParcel(p); 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bm == null) { 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Failed to unparcel Bitmap"); 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bm; 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Bitmap[] newArray(int size) { 19049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new Bitmap[size]; 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * No special parcel contents. 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int describeContents() { 1912b6377170960d40e66858d8b4d335a95eac773762Bart Sears return 0; 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Write the bitmap and its pixels to the parcel. The bitmap can be 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rebuilt from the parcel by calling CREATOR.createFromParcel(). 1918f161dce70eab5ba1011bd26226c14e31675d5955sergeyv * 1919f161dce70eab5ba1011bd26226c14e31675d5955sergeyv * If this bitmap is {@link Config#HARDWARE}, it may be unparceled with a different pixel 1920f161dce70eab5ba1011bd26226c14e31675d5955sergeyv * format (e.g. 565, 8888), but the content will be preserved to the best quality permitted 1921f161dce70eab5ba1011bd26226c14e31675d5955sergeyv * by the final pixel format 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param p Parcel object to write the bitmap data into 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void writeToParcel(Parcel p, int flags) { 19259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't parcel a recycled bitmap"); 19269fd259c9b0878ba52fec86173d76976e70977fcdsergeyv noteHardwareBitmapSlowCall(); 1927775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler if (!nativeWriteToParcel(mNativePtr, mIsMutable, mDensity, p)) { 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("native writeToParcel failed"); 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a new bitmap that captures the alpha values of the original. 19349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This may be drawn with Canvas.drawBitmap(), where the color(s) will be 19359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * taken from the paint that is passed to the draw call. 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return new bitmap containing the alpha channel of the original bitmap. 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19391c2bf03d1082fc6b7eb42cbd163c60c07cf2bcccTor Norbye @CheckResult 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Bitmap extractAlpha() { 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return extractAlpha(null, null); 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19438cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a new bitmap that captures the alpha values of the original. 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * These values may be affected by the optional Paint parameter, which 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can contain its own alpha, and may also contain a MaskFilter which 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * could change the actual dimensions of the resulting bitmap (e.g. 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a blur maskfilter might enlarge the resulting bitmap). If offsetXY 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is not null, it returns the amount to offset the returned bitmap so 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that it will logically align with the original. For example, if the 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * paint contains a blur of radius 2, then offsetXY[] would contains 19539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -2, -2, so that drawing the alpha bitmap offset by (-2, -2) and then 19549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawing the original would result in the blur visually aligning with 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the original. 1956f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 195796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * <p>The initial density of the returned bitmap is the same as the original's. 1958f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint Optional paint used to modify the alpha values in the 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * resulting bitmap. Pass null for default behavior. 19619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offsetXY Optional array that returns the X (index 0) and Y 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (index 1) offset needed to position the returned bitmap 19639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so that it visually lines up with the original. 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return new bitmap containing the (optionally modified by paint) alpha 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * channel of the original bitmap. This may be drawn with 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Canvas.drawBitmap(), where the color(s) will be taken from the 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * paint that is passed to the draw call. 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19691c2bf03d1082fc6b7eb42cbd163c60c07cf2bcccTor Norbye @CheckResult 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Bitmap extractAlpha(Paint paint, int[] offsetXY) { 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't extractAlpha on a recycled bitmap"); 1972dfba4d3d11bbf47dff45f94d61d4d97510b3034aDerek Sollenberger long nativePaint = paint != null ? paint.getNativeInstance() : 0; 19739fd259c9b0878ba52fec86173d76976e70977fcdsergeyv noteHardwareBitmapSlowCall(); 1974775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler Bitmap bm = nativeExtractAlpha(mNativePtr, nativePaint, offsetXY); 19759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bm == null) { 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Failed to extractAlpha on Bitmap"); 19779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 197896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn bm.mDensity = mDensity; 19799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bm; 19809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19828cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen /** 198376d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed * Given another bitmap, return true if it has the same dimensions, config, 198476d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed * and pixel data as this bitmap. If any of those differ, return false. 198576d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed * If other is null, return false. 198676d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed */ 198776d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed public boolean sameAs(Bitmap other) { 19889298c5414172344f2462beda70e624af5f774483John Reck checkRecycled("Can't call sameAs on a recycled bitmap!"); 19899fd259c9b0878ba52fec86173d76976e70977fcdsergeyv noteHardwareBitmapSlowCall(); 19903df4869a77bdeb72d5810bbcf7819ed1b8dd0ec7John Reck if (this == other) return true; 19913df4869a77bdeb72d5810bbcf7819ed1b8dd0ec7John Reck if (other == null) return false; 1992e1fc36d197639ee13194de74b2e7e42c39b12286sergeyv other.noteHardwareBitmapSlowCall(); 19939298c5414172344f2462beda70e624af5f774483John Reck if (other.isRecycled()) { 19949298c5414172344f2462beda70e624af5f774483John Reck throw new IllegalArgumentException("Can't compare to a recycled bitmap!"); 19959298c5414172344f2462beda70e624af5f774483John Reck } 1996775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return nativeSameAs(mNativePtr, other.mNativePtr); 199776d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed } 199876d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed 199976d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed /** 2000b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * Builds caches associated with the bitmap that are used for drawing it. 2001b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * 2002b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * <p>Starting in {@link android.os.Build.VERSION_CODES#N}, this call initiates an asynchronous 2003b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * upload to the GPU on RenderThread, if the Bitmap is not already uploaded. With Hardware 2004b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * Acceleration, Bitmaps must be uploaded to the GPU in order to be rendered. This is done by 2005b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * default the first time a Bitmap is drawn, but the process can take several milliseconds, 2006b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * depending on the size of the Bitmap. Each time a Bitmap is modified and drawn again, it must 2007b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * be re-uploaded.</p> 2008b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * 2009b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * <p>Calling this method in advance can save time in the first frame it's used. For example, it 2010b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * is recommended to call this on an image decoding worker thread when a decoded Bitmap is about 2011b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * to be displayed. It is recommended to make any pre-draw modifications to the Bitmap before 2012b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * calling this method, so the cached, uploaded copy may be reused without re-uploading.</p> 2013b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * 2014b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * In {@link android.os.Build.VERSION_CODES#KITKAT} and below, for purgeable bitmaps, this call 2015b1d2f0a1d0900ba5651f98021b4b7b4229ebb490Chris Craik * would attempt to ensure that the pixels have been decoded. 20168cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen */ 20178cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen public void prepareToDraw() { 2018ad57442fd00e7fd7f1885d23372ec5c85e176820John Reck checkRecycled("Can't prepareToDraw on a recycled bitmap!"); 20194387190d8ec9fe4e953fcfeb093a644b82cf85edJohn Reck // Kick off an update/upload of the bitmap outside of the normal 20204387190d8ec9fe4e953fcfeb093a644b82cf85edJohn Reck // draw path. 20214387190d8ec9fe4e953fcfeb093a644b82cf85edJohn Reck nativePrepareToDraw(mNativePtr); 2022f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck } 2023f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck 20246e3658a63843096058ed444d073fbcd191fd7e1bsergeyv /** 20256e3658a63843096058ed444d073fbcd191fd7e1bsergeyv * 20266e3658a63843096058ed444d073fbcd191fd7e1bsergeyv * @return {@link GraphicBuffer} which is internally used by hardware bitmap 20276e3658a63843096058ed444d073fbcd191fd7e1bsergeyv * @hide 20286e3658a63843096058ed444d073fbcd191fd7e1bsergeyv */ 20296e3658a63843096058ed444d073fbcd191fd7e1bsergeyv public GraphicBuffer createGraphicBufferHandle() { 20306e3658a63843096058ed444d073fbcd191fd7e1bsergeyv return nativeCreateGraphicBufferHandle(mNativePtr); 20316e3658a63843096058ed444d073fbcd191fd7e1bsergeyv } 20326e3658a63843096058ed444d073fbcd191fd7e1bsergeyv 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //////////// native methods 20349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native Bitmap nativeCreate(int[] colors, int offset, 20369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int stride, int width, int height, 20378242656f495847c50c9ceaea92839dce78218a75Romain Guy int nativeConfig, boolean mutable, 20388242656f495847c50c9ceaea92839dce78218a75Romain Guy @Nullable @Size(9) float[] xyzD50, 20398242656f495847c50c9ceaea92839dce78218a75Romain Guy @Nullable ColorSpace.Rgb.TransferParameters p); 204036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native Bitmap nativeCopy(long nativeSrcBitmap, int nativeConfig, 20419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean isMutable); 2042721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews private static native Bitmap nativeCopyAshmem(long nativeSrcBitmap); 2043a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson private static native Bitmap nativeCopyAshmemConfig(long nativeSrcBitmap, int nativeConfig); 2044775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler private static native long nativeGetNativeFinalizer(); 204536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean nativeRecycle(long nativeBitmap); 204636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeReconfigure(long nativeBitmap, int width, int height, 20474508218850faedea95371188da587b6734f5f3dasergeyv int config, boolean isPremultiplied); 20489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 204936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean nativeCompress(long nativeBitmap, int format, 20509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int quality, OutputStream stream, 20519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte[] tempStorage); 205236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeErase(long nativeBitmap, int color); 205336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native int nativeRowBytes(long nativeBitmap); 205436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native int nativeConfig(long nativeBitmap); 20558cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 205657ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III private static native int nativeGetPixel(long nativeBitmap, int x, int y); 205736bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeGetPixels(long nativeBitmap, int[] pixels, 20581abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik int offset, int stride, int x, int y, 205957ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III int width, int height); 20608cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 206157ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III private static native void nativeSetPixel(long nativeBitmap, int x, int y, int color); 206236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeSetPixels(long nativeBitmap, int[] colors, 20631abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik int offset, int stride, int x, int y, 206457ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III int width, int height); 206536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeCopyPixelsToBuffer(long nativeBitmap, 20669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Buffer dst); 206736bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeCopyPixelsFromBuffer(long nativeBitmap, Buffer src); 206836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native int nativeGenerationId(long nativeBitmap); 20699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native Bitmap nativeCreateFromParcel(Parcel p); 20719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // returns true on success 207236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean nativeWriteToParcel(long nativeBitmap, 20739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean isMutable, 2074de0dfb7b65a02d4dd74c271b558adee0973fc267Dianne Hackborn int density, 20759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel p); 20769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // returns a new bitmap built from the native bitmap's alpha, and the paint 207736bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native Bitmap nativeExtractAlpha(long nativeBitmap, 207836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePaint, 20799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] offsetXY); 20809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 208136bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean nativeHasAlpha(long nativeBitmap); 208257ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III private static native boolean nativeIsPremultiplied(long nativeBitmap); 208357ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III private static native void nativeSetPremultiplied(long nativeBitmap, 208457ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III boolean isPremul); 208557ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III private static native void nativeSetHasAlpha(long nativeBitmap, 208657ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III boolean hasAlpha, 208757ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III boolean requestPremul); 208836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean nativeHasMipMap(long nativeBitmap); 208936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeSetHasMipMap(long nativeBitmap, boolean hasMipMap); 209036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean nativeSameAs(long nativeBitmap0, long nativeBitmap1); 20914387190d8ec9fe4e953fcfeb093a644b82cf85edJohn Reck private static native void nativePrepareToDraw(long nativeBitmap); 20924508218850faedea95371188da587b6734f5f3dasergeyv private static native int nativeGetAllocationByteCount(long nativeBitmap); 209381f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv private static native Bitmap nativeCopyPreserveInternalConfig(long nativeBitmap); 20940a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv private static native Bitmap nativeCreateHardwareBitmap(GraphicBuffer buffer); 20956e3658a63843096058ed444d073fbcd191fd7e1bsergeyv private static native GraphicBuffer nativeCreateGraphicBufferHandle(long nativeBitmap); 2096efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy private static native boolean nativeGetColorSpace(long nativePtr, float[] xyz, float[] params); 2097efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy private static native boolean nativeIsSRGB(long nativePtr); 2098ce89a6e656a4d4d2c0e724c485e109cd6bc60997Leon Scroggins III private static native boolean nativeIsSRGBLinear(long nativePtr); 20998242656f495847c50c9ceaea92839dce78218a75Romain Guy private static native void nativeCopyColorSpace(long srcBitmap, long dstBitmap); 21009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2101