Bitmap.java revision efb4b06493fe7b1604c762a448b13c7af2845a8d
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; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcel; 248cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chenimport android.os.Parcelable; 250df3bd5594bbbbfbf6058ecb31e9b94a1cd22f7dJohn Reckimport android.os.Trace; 262784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackbornimport android.util.DisplayMetrics; 2701a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reckimport android.util.Log; 28a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winsonimport libcore.util.NativeAllocationRegistry; 29a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson 308cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chenimport java.io.OutputStream; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.nio.Buffer; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.nio.ByteBuffer; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.nio.IntBuffer; 348cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chenimport java.nio.ShortBuffer; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic final class Bitmap implements Parcelable { 3701a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck private static final String TAG = "Bitmap"; 3801a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that the bitmap was created for an unknown pixel density. 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see Bitmap#getDensity() 4311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see Bitmap#setDensity(int) 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public static final int DENSITY_NONE = 0; 46f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck 47775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler // Estimated size of the Bitmap native allocation, not including 48775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler // pixel data. 49775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler private static final long NATIVE_ALLOCATION_SIZE = 32; 50775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler 51f29ed28c7b878ef28058bc730715d0d32445bc57John Reck // Convenience for JNI access 52f29ed28c7b878ef28058bc730715d0d32445bc57John Reck private final long mNativePtr; 53e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final boolean mIsMutable; 551abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik 561abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik /** 5757ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * Represents whether the Bitmap's content is requested to be pre-multiplied. 581abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * Note that isPremultiplied() does not directly return this value, because 5957ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * isPremultiplied() may never return true for a 565 Bitmap or a bitmap 6057ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * without alpha. 611abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * 621abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * setPremultiplied() does directly set the value so that setConfig() and 631abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * setPremultiplied() aren't order dependent, despite being setters. 6457ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * 6557ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * The native bitmap's premultiplication state is kept up to date by 6657ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * pushing down this preference for every config change. 671abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik */ 6857ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III private boolean mRequestPremultiplied; 698790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III 7047cd8e921db73e894f94ec4729ade90da50996f5Chris Craik private byte[] mNinePatchChunk; // may be null 7147cd8e921db73e894f94ec4729ade90da50996f5Chris Craik private NinePatch.InsetStruct mNinePatchInsets; // may be null 721abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik private int mWidth; 731abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik private int mHeight; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mRecycled; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 76efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy private ColorSpace mColorSpace; 77efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy 78caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck /** @hide */ 79caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck public int mDensity = getDefaultDensity(); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn private static volatile Matrix sScaleMatrix; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8396e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn private static volatile int sDefaultDensity = -1; 8402890fd0f98b3b8d98baf0bda1ea906afd723d8bRomain Guy 8596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn /** 8696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * For backwards compatibility, allows the app layer to change the default 8796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * density when running old apps. 8896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @hide 8996e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn */ 9096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn public static void setDefaultDensity(int density) { 9196e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn sDefaultDensity = density; 9296e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn } 933849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy 94f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck @SuppressWarnings("deprecation") 953849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy static int getDefaultDensity() { 9696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn if (sDefaultDensity >= 0) { 9796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn return sDefaultDensity; 9896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn } 9996e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn sDefaultDensity = DisplayMetrics.DENSITY_DEVICE; 10096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn return sDefaultDensity; 10196e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn } 102dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1049f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * Private constructor that must received an already allocated native bitmap 1059f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * int (pointer). 106ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani */ 107f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck // called from JNI 1084508218850faedea95371188da587b6734f5f3dasergeyv Bitmap(long nativeBitmap, int width, int height, int density, 10957ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III boolean isMutable, boolean requestPremultiplied, 11047cd8e921db73e894f94ec4729ade90da50996f5Chris Craik byte[] ninePatchChunk, NinePatch.InsetStruct ninePatchInsets) { 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (nativeBitmap == 0) { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("internal error: native bitmap is 0"); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1148cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 1151abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik mWidth = width; 1161abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik mHeight = height; 1171abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik mIsMutable = isMutable; 11857ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III mRequestPremultiplied = requestPremultiplied; 1194cd7dbc90f93893f521dce32d8cd25c02a185a24Chris Craik 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNinePatchChunk = ninePatchChunk; 12147cd8e921db73e894f94ec4729ade90da50996f5Chris Craik mNinePatchInsets = ninePatchInsets; 122de0dfb7b65a02d4dd74c271b558adee0973fc267Dianne Hackborn if (density >= 0) { 123de0dfb7b65a02d4dd74c271b558adee0973fc267Dianne Hackborn mDensity = density; 124de0dfb7b65a02d4dd74c271b558adee0973fc267Dianne Hackborn } 1254cd7dbc90f93893f521dce32d8cd25c02a185a24Chris Craik 126f29ed28c7b878ef28058bc730715d0d32445bc57John Reck mNativePtr = nativeBitmap; 1274508218850faedea95371188da587b6734f5f3dasergeyv long nativeSize = NATIVE_ALLOCATION_SIZE + getAllocationByteCount(); 128775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler NativeAllocationRegistry registry = new NativeAllocationRegistry( 1290ebdbb4a8470bb77f38c33a42c220ecb8a7adcc6Richard Uhler Bitmap.class.getClassLoader(), nativeGetNativeFinalizer(), nativeSize); 130775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler registry.registerNativeAllocation(this, nativeBitmap); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1344c5efe9290543b723b76a8bd48518da1ae1dcb26Derek Sollenberger * Return the pointer to the native object. 135caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck * @hide 1364c5efe9290543b723b76a8bd48518da1ae1dcb26Derek Sollenberger */ 137caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck public long getNativeInstance() { 1384c5efe9290543b723b76a8bd48518da1ae1dcb26Derek Sollenberger return mNativePtr; 1394c5efe9290543b723b76a8bd48518da1ae1dcb26Derek Sollenberger } 1404c5efe9290543b723b76a8bd48518da1ae1dcb26Derek Sollenberger 1414c5efe9290543b723b76a8bd48518da1ae1dcb26Derek Sollenberger /** 1421abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * Native bitmap has been reconfigured, so set premult and cached 1431abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * width/height values 1449f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik */ 1459505a6552764461c22ce48f1ac13d025d23e1579Romain Guy @SuppressWarnings("unused") // called from JNI 14657ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III void reinit(int width, int height, boolean requestPremultiplied) { 1471abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik mWidth = width; 1481abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik mHeight = height; 14957ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III mRequestPremultiplied = requestPremultiplied; 1509f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik } 1519f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik 1529f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik /** 15311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>Returns the density for this bitmap.</p> 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * <p>The default density is the same density as the current display, 15696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * unless the current application does not support different screen 15796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * densities in which case it is 15896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * {@link android.util.DisplayMetrics#DENSITY_DEFAULT}. Note that 15996e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * compatibility mode is determined by the application that was initially 16096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * loaded into a process -- applications that share the same process should 16196e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * all have the same compatibility, or ensure they explicitly set the 16296e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * density of their bitmaps appropriately.</p> 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16496e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @return A scaling factor of the default density or {@link #DENSITY_NONE} 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the scaling factor is unknown. 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see #setDensity(int) 168a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn * @see android.util.DisplayMetrics#DENSITY_DEFAULT 16911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see android.util.DisplayMetrics#densityDpi 17011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see #DENSITY_NONE 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public int getDensity() { 17301a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 17401a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called getDensity() on a recycle()'d bitmap! This is undefined behavior!"); 17501a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 17611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return mDensity; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>Specifies the density for this bitmap. When the bitmap is 18111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * drawn to a Canvas that also has a density, it will be scaled 18211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * appropriately.</p> 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @param density The density scaling factor to use with this bitmap or 18511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * {@link #DENSITY_NONE} if the density is unknown. 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see #getDensity() 188a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn * @see android.util.DisplayMetrics#DENSITY_DEFAULT 18911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see android.util.DisplayMetrics#densityDpi 19011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see #DENSITY_NONE 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public void setDensity(int density) { 19311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn mDensity = density; 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 195c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik 196c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik /** 197c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>Modifies the bitmap to have a specified width, height, and {@link 198c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * Config}, without affecting the underlying allocation backing the bitmap. 199c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * Bitmap pixel data is not re-initialized for the new configuration.</p> 200c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 201c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>This method can be used to avoid allocating a new bitmap, instead 202c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * reusing an existing bitmap's allocation for a new configuration of equal 203c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * or lesser size. If the Bitmap's allocation isn't large enough to support 204c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * the new configuration, an IllegalArgumentException will be thrown and the 205c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * bitmap will not be modified.</p> 206c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 207c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>The result of {@link #getByteCount()} will reflect the new configuration, 208c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * while {@link #getAllocationByteCount()} will reflect that of the initial 209c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * configuration.</p> 210c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 21117a8bfc38a565ae96f43d36b223779be840bb50cLeon Scroggins III * <p>Note: This may change this result of hasAlpha(). When converting to 565, 21217a8bfc38a565ae96f43d36b223779be840bb50cLeon Scroggins III * the new bitmap will always be considered opaque. When converting from 565, 21317a8bfc38a565ae96f43d36b223779be840bb50cLeon Scroggins III * the new bitmap will be considered non-opaque, and will respect the value 21417a8bfc38a565ae96f43d36b223779be840bb50cLeon Scroggins III * set by setPremultiplied().</p> 21517a8bfc38a565ae96f43d36b223779be840bb50cLeon Scroggins III * 2166d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * <p>WARNING: This method should NOT be called on a bitmap currently in use 2176d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * by the view system, Canvas, or the AndroidBitmap NDK API. It does not 2186d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * make guarantees about how the underlying pixel buffer is remapped to the 2196d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * new config, just that the allocation is reused. Additionally, the view 2206d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * system does not account for bitmap properties being modifying during use, 2216d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * e.g. while attached to drawables.</p> 2226d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * 2236d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * <p>In order to safely ensure that a Bitmap is no longer in use by the 2246d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * View system it is necessary to wait for a draw pass to occur after 2256d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * invalidate()'ing any view that had previously drawn the Bitmap in the last 2266d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * draw pass due to hardware acceleration's caching of draw commands. As 2276d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * an example, here is how this can be done for an ImageView: 2286d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * <pre class="prettyprint"> 2296d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * ImageView myImageView = ...; 2306d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * final Bitmap myBitmap = ...; 2316d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * myImageView.setImageDrawable(null); 2326d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * myImageView.post(new Runnable() { 2336d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * public void run() { 2346d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * // myBitmap is now no longer in use by the ImageView 2356d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * // and can be safely reconfigured. 2366d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * myBitmap.reconfigure(...); 2376d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * } 2386d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * }); 2396d86e57bdadd56be160eb3e543cc53622cae46f2John Reck * </pre></p> 240c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 241c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setWidth(int) 242c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setHeight(int) 243c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setConfig(Config) 244c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik */ 245c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik public void reconfigure(int width, int height, Config config) { 246c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik checkRecycled("Can't call reconfigure() on a recycled bitmap"); 247c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik if (width <= 0 || height <= 0) { 248c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik throw new IllegalArgumentException("width and height must be > 0"); 249c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik } 250c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik if (!isMutable()) { 2519c2cde0583d02ba7551877dbe7a5ecaee6defb56Chris Craik throw new IllegalStateException("only mutable bitmaps may be reconfigured"); 252c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik } 253c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik 2544508218850faedea95371188da587b6734f5f3dasergeyv nativeReconfigure(mNativePtr, width, height, config.nativeInt, mRequestPremultiplied); 255c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik mWidth = width; 256c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik mHeight = height; 257c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik } 258c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik 259c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik /** 260c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>Convenience method for calling {@link #reconfigure(int, int, Config)} 261c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * with the current height and config.</p> 262c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 263c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>WARNING: this method should not be used on bitmaps currently used by 264c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * the view system, see {@link #reconfigure(int, int, Config)} for more 265c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * details.</p> 266c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 267c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #reconfigure(int, int, Config) 268c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setHeight(int) 269c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setConfig(Config) 270c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik */ 271c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik public void setWidth(int width) { 272c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik reconfigure(width, getHeight(), getConfig()); 273c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik } 274c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik 275c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik /** 276c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>Convenience method for calling {@link #reconfigure(int, int, Config)} 277c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * with the current width and config.</p> 278c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 279c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>WARNING: this method should not be used on bitmaps currently used by 280c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * the view system, see {@link #reconfigure(int, int, Config)} for more 281c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * details.</p> 282c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 283c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #reconfigure(int, int, Config) 284c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setWidth(int) 285c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setConfig(Config) 286c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik */ 287c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik public void setHeight(int height) { 288c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik reconfigure(getWidth(), height, getConfig()); 289c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik } 290c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik 291c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik /** 292c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>Convenience method for calling {@link #reconfigure(int, int, Config)} 293c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * with the current height and width.</p> 294c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 295c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>WARNING: this method should not be used on bitmaps currently used by 296c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * the view system, see {@link #reconfigure(int, int, Config)} for more 297c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * details.</p> 298c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 299c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #reconfigure(int, int, Config) 300c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setWidth(int) 301c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #setHeight(int) 302c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik */ 303c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik public void setConfig(Config config) { 304c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik reconfigure(getWidth(), getHeight(), config); 305c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik } 306c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the nine patch chunk. 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param chunk The definition of the nine patch 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setNinePatchChunk(byte[] chunk) { 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNinePatchChunk = chunk; 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3178cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 319a383b3f646cbc1fd870f2694d4fac24340834916Patrick Dubroy * Free the native object associated with this bitmap, and clear the 320a383b3f646cbc1fd870f2694d4fac24340834916Patrick Dubroy * reference to the pixel data. This will not free the pixel data synchronously; 321a383b3f646cbc1fd870f2694d4fac24340834916Patrick Dubroy * it simply allows it to be garbage collected if there are no other references. 322a383b3f646cbc1fd870f2694d4fac24340834916Patrick Dubroy * The bitmap is marked as "dead", meaning it will throw an exception if 323a383b3f646cbc1fd870f2694d4fac24340834916Patrick Dubroy * getPixels() or setPixels() is called, and will draw nothing. This operation 324a383b3f646cbc1fd870f2694d4fac24340834916Patrick Dubroy * cannot be reversed, so it should only be called if you are sure there are no 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * further uses for the bitmap. This is an advanced call, and normally need 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not be called, since the normal GC process will free up this memory when 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * there are no more references to this bitmap. 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void recycle() { 330775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler if (!mRecycled && mNativePtr != 0) { 331775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler if (nativeRecycle(mNativePtr)) { 332547e66531d521eb1eadac87edb0f79f8c2f1bbe0Chet Haase // return value indicates whether native pixel object was actually recycled. 333547e66531d521eb1eadac87edb0f79f8c2f1bbe0Chet Haase // false indicates that it is still in use at the native level and these 334547e66531d521eb1eadac87edb0f79f8c2f1bbe0Chet Haase // objects should not be collected now. They will be collected later when the 335547e66531d521eb1eadac87edb0f79f8c2f1bbe0Chet Haase // Bitmap itself is collected. 336547e66531d521eb1eadac87edb0f79f8c2f1bbe0Chet Haase mNinePatchChunk = null; 337547e66531d521eb1eadac87edb0f79f8c2f1bbe0Chet Haase } 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecycled = true; 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns true if this bitmap has been recycled. If so, then it is an error 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to try to access its pixels, and the bitmap will not draw. 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the bitmap has been recycled 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean isRecycled() { 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mRecycled; 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3518cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3530bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy * Returns the generation ID of this bitmap. The generation ID changes 3540bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy * whenever the bitmap is modified. This can be used as an efficient way to 3550bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy * check if a bitmap has changed. 356f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 3570bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy * @return The current generation ID for this bitmap. 3580bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy */ 3590bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy public int getGenerationId() { 36001a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 36101a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called getGenerationId() on a recycle()'d bitmap! This is undefined behavior!"); 36201a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 363775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return nativeGenerationId(mNativePtr); 3640bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy } 365f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck 3660bbae0836426ba2704e38e7f90a9d0ca502ab71dRomain Guy /** 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is called by methods that want to throw an exception if the bitmap 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * has already been recycled. 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void checkRecycled(String errorMessage) { 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRecycled) { 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException(errorMessage); 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3758cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 377980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv * This is called by methods that want to throw an exception if the bitmap 378980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv * is {@link Config#HARDWARE}. 379980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv */ 380980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv private void checkHardware(String errorMessage) { 381980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv if (getConfig() == Config.HARDWARE) { 382980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv throw new IllegalStateException(errorMessage); 383980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv } 384980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv } 385980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv 386980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv /** 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Common code for checking that x and y are >= 0 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x x coordinate to ensure is >= 0 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y y coordinate to ensure is >= 0 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void checkXYSign(int x, int y) { 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (x < 0) { 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("x must be >= 0"); 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (y < 0) { 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("y must be >= 0"); 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Common code for checking that width and height are > 0 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width width to ensure is > 0 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height height to ensure is > 0 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void checkWidthHeight(int width, int height) { 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width <= 0) { 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("width must be > 0"); 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height <= 0) { 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("height must be > 0"); 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 416676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy /** 417676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * Possible bitmap configurations. A bitmap configuration describes 418676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * how pixels are stored. This affects the quality (color depth) as 419676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * well as the ability to display transparent/translucent colors. 420676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy */ 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum Config { 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // these native values must match up with the enum in SkBitmap.h 423676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy 424676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy /** 425676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * Each pixel is stored as a single translucency (alpha) channel. 426676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * This is very useful to efficiently store masks for instance. 427676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * No color information is stored. 428676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * With this configuration, each pixel requires 1 byte of memory. 429676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy */ 430b644a3b84521e2155a5af985a4d4ed305474e567Derek Sollenberger ALPHA_8 (1), 431676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy 432676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy /** 433676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * Each pixel is stored on 2 bytes and only the RGB channels are 434676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * encoded: red is stored with 5 bits of precision (32 possible 435676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * values), green is stored with 6 bits of precision (64 possible 436676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * values) and blue is stored with 5 bits of precision. 437f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 438676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * This configuration can produce slight visual artifacts depending 439676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * on the configuration of the source. For instance, without 440676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * dithering, the result might show a greenish tint. To get better 441676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * results dithering should be applied. 442f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 443676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * This configuration may be useful when using opaque bitmaps 444676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * that do not require high color fidelity. 445676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy */ 446b644a3b84521e2155a5af985a4d4ed305474e567Derek Sollenberger RGB_565 (3), 447676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy 448676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy /** 449676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * Each pixel is stored on 2 bytes. The three RGB color channels 450676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * and the alpha channel (translucency) are stored with a 4 bits 451676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * precision (16 possible values.) 452f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 453676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * This configuration is mostly useful if the application needs 454676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * to store translucency information but also needs to save 455676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * memory. 456f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 457676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * It is recommended to use {@link #ARGB_8888} instead of this 458676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * configuration. 45925ba1c86945a441428194d9ebcabbf31be75a45aRomain Guy * 460e8222dddaf2e3da14380101e818d4254899e0c0dChet Haase * Note: as of {@link android.os.Build.VERSION_CODES#KITKAT}, 46125ba1c86945a441428194d9ebcabbf31be75a45aRomain Guy * any bitmap created with this configuration will be created 46225ba1c86945a441428194d9ebcabbf31be75a45aRomain Guy * using {@link #ARGB_8888} instead. 463f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 464676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * @deprecated Because of the poor quality of this configuration, 465676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * it is advised to use {@link #ARGB_8888} instead. 466676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy */ 467676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy @Deprecated 468b644a3b84521e2155a5af985a4d4ed305474e567Derek Sollenberger ARGB_4444 (4), 469676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy 470676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy /** 471676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * Each pixel is stored on 4 bytes. Each channel (RGB and alpha 472676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * for translucency) is stored with 8 bits of precision (256 473676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * possible values.) 474f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 475676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * This configuration is very flexible and offers the best 476676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy * quality. It should be used whenever possible. 477676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy */ 478da6c8ffcc594493c3936f83255efccdbf964cd21sergeyv ARGB_8888 (5), 479da6c8ffcc594493c3936f83255efccdbf964cd21sergeyv 4809505a6552764461c22ce48f1ac13d025d23e1579Romain Guy /** 4819505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * Each pixels is stored on 8 bytes. Each channel (RGB and alpha 4829505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * for translucency) is stored as a 4839505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * {@link android.util.Half half-precision floating point value}. 4849505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * 4859505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * This configuration is particularly suited for wide-gamut and 4869505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * HDR content. 4879505a6552764461c22ce48f1ac13d025d23e1579Romain Guy */ 4889505a6552764461c22ce48f1ac13d025d23e1579Romain Guy RGBA_F16 (6), 489da6c8ffcc594493c3936f83255efccdbf964cd21sergeyv 490da6c8ffcc594493c3936f83255efccdbf964cd21sergeyv /** 4919fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * Special configuration, when bitmap is stored only in graphic memory. 4929fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * Bitmaps in this configuration are always immutable. 4939fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * 4949fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * It is optimal for cases, when the only operation with the bitmap is to draw it on a 4959fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * screen. 496da6c8ffcc594493c3936f83255efccdbf964cd21sergeyv */ 4979505a6552764461c22ce48f1ac13d025d23e1579Romain Guy HARDWARE (7); 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy final int nativeInt; 500676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy 501676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy private static Config sConfigs[] = { 5029505a6552764461c22ce48f1ac13d025d23e1579Romain Guy null, ALPHA_8, null, RGB_565, ARGB_4444, ARGB_8888, RGBA_F16, HARDWARE 503676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy }; 504f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Config(int ni) { 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.nativeInt = ni; 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5088cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 509676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy static Config nativeToConfig(int ni) { 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sConfigs[ni]; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5138cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5153849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <p>Copy the bitmap's pixels into the specified buffer (allocated by the 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * caller). An exception is thrown if the buffer is not large enough to 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hold all of the pixels (taking into account the number of bytes per 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pixel) or if the Buffer subclass is not one of the support types 5193849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * (ByteBuffer, ShortBuffer, IntBuffer).</p> 5203849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <p>The content of the bitmap is copied into the buffer as-is. This means 5213849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * that if this bitmap stores its pixels pre-multiplied 5223849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * (see {@link #isPremultiplied()}, the values in the buffer will also be 5233849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * pre-multiplied.</p> 5241f58497e7dbab1b16e97c73b65559b852d0c2803Romain Guy * <p>After this method returns, the current position of the buffer is 5251f58497e7dbab1b16e97c73b65559b852d0c2803Romain Guy * updated: the position is incremented by the number of elements written 5261f58497e7dbab1b16e97c73b65559b852d0c2803Romain Guy * in the buffer.</p> 527980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv * @throws IllegalStateException if the bitmap's config is {@link Config#HARDWARE} 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void copyPixelsToBuffer(Buffer dst) { 530980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv checkHardware("unable to copyPixelsToBuffer, " 531980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv + "pixel access is not supported on Config#HARDWARE bitmaps"); 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int elements = dst.remaining(); 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int shift; 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dst instanceof ByteBuffer) { 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 0; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (dst instanceof ShortBuffer) { 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 1; 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (dst instanceof IntBuffer) { 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 2; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("unsupported Buffer subclass"); 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5438cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long bufferSize = (long)elements << shift; 545f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson long pixelSize = getByteCount(); 5468cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufferSize < pixelSize) { 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Buffer not large enough for pixels"); 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5508cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 551775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeCopyPixelsToBuffer(mNativePtr, dst); 5528cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // now update the buffer's position 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position = dst.position(); 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position += pixelSize >> shift; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dst.position(position); 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5603849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <p>Copy the pixels from the buffer, beginning at the current position, 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * overwriting the bitmap's pixels. The data in the buffer is not changed 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in any way (unlike setPixels(), which converts from unpremultipled 32bit 5633849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * to whatever the bitmap's native format is.</p> 5641f58497e7dbab1b16e97c73b65559b852d0c2803Romain Guy * <p>After this method returns, the current position of the buffer is 5651f58497e7dbab1b16e97c73b65559b852d0c2803Romain Guy * updated: the position is incremented by the number of elements read from 5661f58497e7dbab1b16e97c73b65559b852d0c2803Romain Guy * the buffer. If you need to read the bitmap from the buffer again you must 5671f58497e7dbab1b16e97c73b65559b852d0c2803Romain Guy * first rewind the buffer.</p> 568980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv * @throws IllegalStateException if the bitmap's config is {@link Config#HARDWARE} 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void copyPixelsFromBuffer(Buffer src) { 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("copyPixelsFromBuffer called on recycled bitmap"); 572980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv checkHardware("unable to copyPixelsFromBuffer, Config#HARDWARE bitmaps are immutable"); 5738cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int elements = src.remaining(); 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int shift; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (src instanceof ByteBuffer) { 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 0; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (src instanceof ShortBuffer) { 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 1; 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (src instanceof IntBuffer) { 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 2; 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("unsupported Buffer subclass"); 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5858cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 5863849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy long bufferBytes = (long) elements << shift; 587f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson long bitmapBytes = getByteCount(); 5888cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufferBytes < bitmapBytes) { 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Buffer not large enough for pixels"); 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5928cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 593775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeCopyPixelsFromBuffer(mNativePtr, src); 59455adc145d460be4b21de0d77be1f6076c3591e3cMarco Nelissen 59555adc145d460be4b21de0d77be1f6076c3591e3cMarco Nelissen // now update the buffer's position 59655adc145d460be4b21de0d77be1f6076c3591e3cMarco Nelissen int position = src.position(); 59755adc145d460be4b21de0d77be1f6076c3591e3cMarco Nelissen position += bitmapBytes >> shift; 59855adc145d460be4b21de0d77be1f6076c3591e3cMarco Nelissen src.position(position); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6008cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Tries to make a new bitmap based on the dimensions of this bitmap, 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setting the new bitmap's config to the one specified, and then copying 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this bitmap's pixels into the new bitmap. If the conversion is not 60596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * supported, or the allocator fails, then this returns NULL. The returned 60696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * bitmap initially has the same density as the original. 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param config The desired config for the resulting bitmap 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param isMutable True if the resulting bitmap should be mutable (i.e. 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its pixels can be modified) 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the new bitmap, or null if the copy could not be made. 61205126d151eb3caa85bd3a039cffb6e37940c3fa4sergeyv * @throws IllegalArgumentException if config is {@link Config#HARDWARE} and isMutable is true 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Bitmap copy(Config config, boolean isMutable) { 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't copy a recycled bitmap"); 61605126d151eb3caa85bd3a039cffb6e37940c3fa4sergeyv if (config == Config.HARDWARE && isMutable) { 61705126d151eb3caa85bd3a039cffb6e37940c3fa4sergeyv throw new IllegalArgumentException("Hardware bitmaps are always immutable"); 61805126d151eb3caa85bd3a039cffb6e37940c3fa4sergeyv } 619775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler Bitmap b = nativeCopy(mNativePtr, config.nativeInt, isMutable); 62096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn if (b != null) { 62157ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III b.setPremultiplied(mRequestPremultiplied); 62296e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn b.mDensity = mDensity; 62396e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn } 62496e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn return b; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 62702d9102b3bdebac6989c2b7d12c080fb7c1f8e2bBrad Fitzpatrick /** 628721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews * Creates a new immutable bitmap backed by ashmem which can efficiently 629721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews * be passed between processes. 630721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews * 631721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews * @hide 632721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews */ 633721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews public Bitmap createAshmemBitmap() { 634721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews checkRecycled("Can't copy a recycled bitmap"); 635775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler Bitmap b = nativeCopyAshmem(mNativePtr); 636721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews if (b != null) { 637721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews b.setPremultiplied(mRequestPremultiplied); 638721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews b.mDensity = mDensity; 639721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews } 640721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews return b; 641721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews } 642721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews 643721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews /** 644a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson * Creates a new immutable bitmap backed by ashmem which can efficiently 645a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson * be passed between processes. 646a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson * 647a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson * @hide 648a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson */ 649a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson public Bitmap createAshmemBitmap(Config config) { 650a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson checkRecycled("Can't copy a recycled bitmap"); 651a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson Bitmap b = nativeCopyAshmemConfig(mNativePtr, config.nativeInt); 652a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson if (b != null) { 653a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson b.setPremultiplied(mRequestPremultiplied); 654a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson b.mDensity = mDensity; 655a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson } 656a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson return b; 657a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson } 658a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson 659a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson /** 6600a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv * Create hardware bitmap backed GraphicBuffer. 6610a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv * 6620a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv * @return Bitmap or null if this GraphicBuffer has unsupported PixelFormat. 6630a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv * currently PIXEL_FORMAT_RGBA_8888 is the only supported format 6640a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv * @hide 6650a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv */ 6660a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv public static Bitmap createHardwareBitmap(GraphicBuffer graphicBuffer) { 6670a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv return nativeCreateHardwareBitmap(graphicBuffer); 6680a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv } 6690a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv 6700a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv /** 671f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * Creates a new bitmap, scaled from an existing bitmap, when possible. If the 672f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * specified width and height are the same as the current width and height of 6739f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * the source bitmap, the source bitmap is returned and no new bitmap is 674f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * created. 67502d9102b3bdebac6989c2b7d12c080fb7c1f8e2bBrad Fitzpatrick * 67602d9102b3bdebac6989c2b7d12c080fb7c1f8e2bBrad Fitzpatrick * @param src The source bitmap. 67702d9102b3bdebac6989c2b7d12c080fb7c1f8e2bBrad Fitzpatrick * @param dstWidth The new bitmap's desired width. 67802d9102b3bdebac6989c2b7d12c080fb7c1f8e2bBrad Fitzpatrick * @param dstHeight The new bitmap's desired height. 67902d9102b3bdebac6989c2b7d12c080fb7c1f8e2bBrad Fitzpatrick * @param filter true if the source should be filtered. 680f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * @return The new scaled bitmap or the source bitmap if no scaling is required. 681790552b240c05d58407f7c14acba656b2e85c523Romain Guy * @throws IllegalArgumentException if width is <= 0, or height is <= 0 68202d9102b3bdebac6989c2b7d12c080fb7c1f8e2bBrad Fitzpatrick */ 683f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy public static Bitmap createScaledBitmap(Bitmap src, int dstWidth, int dstHeight, 684f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy boolean filter) { 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix m; 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (Bitmap.class) { 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // small pool of just 1 matrix 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project m = sScaleMatrix; 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sScaleMatrix = null; 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (m == null) { 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project m = new Matrix(); 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6958cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int width = src.getWidth(); 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int height = src.getHeight(); 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float sx = dstWidth / (float)width; 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float sy = dstHeight / (float)height; 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project m.setScale(sx, sy); 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Bitmap b = Bitmap.createBitmap(src, 0, 0, width, height, m, filter); 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (Bitmap.class) { 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // do we need to check for null? why not just assign everytime? 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sScaleMatrix == null) { 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sScaleMatrix = m; 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7108cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen return b; 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7128cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns an immutable bitmap from the source bitmap. The new bitmap may 71596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * be the same object as source, or a copy may have been made. It is 71696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * initialized with the same density as the original bitmap. 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static Bitmap createBitmap(Bitmap src) { 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return createBitmap(src, 0, 0, src.getWidth(), src.getHeight()); 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns an immutable bitmap from the specified subset of the source 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bitmap. The new bitmap may be the same object as source, or a copy may 725f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * have been made. It is initialized with the same density as the original 726f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * bitmap. 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source The bitmap we are subsetting 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x coordinate of the first pixel in source 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y coordinate of the first pixel in source 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The number of pixels in each row 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The number of rows 733f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * @return A copy of a subset of the source bitmap or the source bitmap itself. 734790552b240c05d58407f7c14acba656b2e85c523Romain Guy * @throws IllegalArgumentException if the x, y, width, height values are 735790552b240c05d58407f7c14acba656b2e85c523Romain Guy * outside of the dimensions of the source bitmap, or width is <= 0, 736790552b240c05d58407f7c14acba656b2e85c523Romain Guy * or height is <= 0 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static Bitmap createBitmap(Bitmap source, int x, int y, int width, int height) { 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return createBitmap(source, x, y, width, height, null, false); 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7418cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns an immutable bitmap from subset of the source bitmap, 744f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * transformed by the optional matrix. The new bitmap may be the 745f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * same object as source, or a copy may have been made. It is 74696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * initialized with the same density as the original bitmap. 747f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 748f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * If the source bitmap is immutable and the requested subset is the 749f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * same as the source bitmap itself, then the source bitmap is 750f12f6f058f169ead83a546a1c3a51e49452a30b3Romain Guy * returned and no new bitmap is created. 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source The bitmap we are subsetting 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x coordinate of the first pixel in source 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y coordinate of the first pixel in source 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The number of pixels in each row 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The number of rows 75760b88edea7132ddce90f2dced07c6706f1502270Ken Shirriff * @param m Optional matrix to be applied to the pixels 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param filter true if the source should be filtered. 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Only applies if the matrix contains more than just 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * translation. 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A bitmap that represents the specified subset of source 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalArgumentException if the x, y, width, height values are 763790552b240c05d58407f7c14acba656b2e85c523Romain Guy * outside of the dimensions of the source bitmap, or width is <= 0, 764790552b240c05d58407f7c14acba656b2e85c523Romain Guy * or height is <= 0 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static Bitmap createBitmap(Bitmap source, int x, int y, int width, int height, 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix m, boolean filter) { 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkXYSign(x, y); 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkWidthHeight(width, height); 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (x + width > source.getWidth()) { 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("x + width must be <= bitmap.width()"); 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (y + height > source.getHeight()) { 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("y + height must be <= bitmap.height()"); 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // check if we can just return our argument unchanged 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!source.isMutable() && x == 0 && y == 0 && width == source.getWidth() && 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height == source.getHeight() && (m == null || m.isIdentity())) { 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return source; 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7838cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 78481f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv boolean isHardware = source.getConfig() == Config.HARDWARE; 78581f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv if (isHardware) { 78681f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv source = nativeCopyPreserveInternalConfig(source.mNativePtr); 78781f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv } 78881f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int neww = width; 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newh = height; 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Canvas canvas = new Canvas(); 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Bitmap bitmap; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint; 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect srcR = new Rect(x, y, x + width, y + height); 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RectF dstR = new RectF(0, 0, width, height); 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 798feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy Config newConfig = Config.ARGB_8888; 799feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy final Config config = source.getConfig(); 800feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy // GIF files generate null configs, assume ARGB_8888 801feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy if (config != null) { 802feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy switch (config) { 803feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy case RGB_565: 804feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy newConfig = Config.RGB_565; 805feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy break; 806feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy case ALPHA_8: 807feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy newConfig = Config.ALPHA_8; 808feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy break; 8099505a6552764461c22ce48f1ac13d025d23e1579Romain Guy case RGBA_F16: 8109505a6552764461c22ce48f1ac13d025d23e1579Romain Guy newConfig = Config.RGBA_F16; 8119505a6552764461c22ce48f1ac13d025d23e1579Romain Guy break; 812676b17391fb6583e5df944c36b1bd4c1be835689Romain Guy //noinspection deprecation 813feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy case ARGB_4444: 814feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy case ARGB_8888: 815feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy default: 816feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy newConfig = Config.ARGB_8888; 817feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy break; 818feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy } 819feeea8f07c854e6b0ae2fec3aa2d239c17f32b5bRomain Guy } 820d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (m == null || m.isIdentity()) { 822d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy bitmap = createBitmap(neww, newh, newConfig, source.hasAlpha()); 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint = null; // not needed 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 825d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy final boolean transformed = !m.rectStaysRect(); 826d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RectF deviceR = new RectF(); 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project m.mapRect(deviceR, dstR); 829d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project neww = Math.round(deviceR.width()); 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newh = Math.round(deviceR.height()); 832d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy 8339505a6552764461c22ce48f1ac13d025d23e1579Romain Guy Config transformedConfig = newConfig; 8349505a6552764461c22ce48f1ac13d025d23e1579Romain Guy if (transformed) { 8359505a6552764461c22ce48f1ac13d025d23e1579Romain Guy if (transformedConfig != Config.ARGB_8888 && transformedConfig != Config.RGBA_F16) { 8369505a6552764461c22ce48f1ac13d025d23e1579Romain Guy transformedConfig = Config.ARGB_8888; 8379505a6552764461c22ce48f1ac13d025d23e1579Romain Guy } 8389505a6552764461c22ce48f1ac13d025d23e1579Romain Guy } 8399505a6552764461c22ce48f1ac13d025d23e1579Romain Guy bitmap = createBitmap(neww, newh, transformedConfig, transformed || source.hasAlpha()); 840d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(-deviceR.left, -deviceR.top); 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.concat(m); 843d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint = new Paint(); 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.setFilterBitmap(filter); 846d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy if (transformed) { 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.setAntiAlias(true); 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8508790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The new bitmap was created from a known bitmap source so assume that 85211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn // they use the same density 85311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn bitmap.mDensity = source.mDensity; 85457ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III bitmap.setHasAlpha(source.hasAlpha()); 85557ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III bitmap.setPremultiplied(source.mRequestPremultiplied); 8568790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III 85796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn canvas.setBitmap(bitmap); 85896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn canvas.drawBitmap(source, srcR, dstR, paint); 8596311d0a079702b29984c0d31937345be105e1a5eDianne Hackborn canvas.setBitmap(null); 86081f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv if (isHardware) { 86181f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv return bitmap.copy(Config.HARDWARE, false); 86281f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv } 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bitmap; 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8658cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 86796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * Returns a mutable bitmap with the specified width and height. Its 86896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * initial density is as per {@link #getDensity}. 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The width of the bitmap 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The height of the bitmap 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param config The bitmap config to create. 8739fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * @throws IllegalArgumentException if the width or height are <= 0, or if 8749fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * Config is Config.HARDWARE, because hardware bitmaps are always immutable 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static Bitmap createBitmap(int width, int height, Config config) { 877d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy return createBitmap(width, height, config, true); 878d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy } 879d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy 880d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy /** 881d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy * Returns a mutable bitmap with the specified width and height. Its 882dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * initial density is determined from the given {@link DisplayMetrics}. 883dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * 884dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param display Display metrics for the display this bitmap will be 885dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * drawn on. 886dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param width The width of the bitmap 887dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param height The height of the bitmap 888dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param config The bitmap config to create. 8899fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * @throws IllegalArgumentException if the width or height are <= 0, or if 8909fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * Config is Config.HARDWARE, because hardware bitmaps are always immutable 891dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn */ 892dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn public static Bitmap createBitmap(DisplayMetrics display, int width, 893dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn int height, Config config) { 894dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn return createBitmap(display, width, height, config, true); 895dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn } 896dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn 897dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn /** 898dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * Returns a mutable bitmap with the specified width and height. Its 899d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy * initial density is as per {@link #getDensity}. 900d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy * 901d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy * @param width The width of the bitmap 902d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy * @param height The height of the bitmap 903d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy * @param config The bitmap config to create. 9049505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * @param hasAlpha If the bitmap is ARGB_8888 or RGBA_16F this flag can be used to 9059505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * mark the bitmap as opaque. Doing so will clear the bitmap in black 906f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * instead of transparent. 907f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 9089fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * @throws IllegalArgumentException if the width or height are <= 0, or if 9099fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * Config is Config.HARDWARE, because hardware bitmaps are always immutable 910d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy */ 9119505a6552764461c22ce48f1ac13d025d23e1579Romain Guy public static Bitmap createBitmap(int width, int height, Config config, boolean hasAlpha) { 912dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn return createBitmap(null, width, height, config, hasAlpha); 913dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn } 914dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn 915dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn /** 916dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * Returns a mutable bitmap with the specified width and height. Its 917dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * initial density is determined from the given {@link DisplayMetrics}. 918dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * 919dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param display Display metrics for the display this bitmap will be 920dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * drawn on. 921dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param width The width of the bitmap 922dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param height The height of the bitmap 923dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param config The bitmap config to create. 9249505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * @param hasAlpha If the bitmap is ARGB_8888 or RGBA_16F this flag can be used to 9259505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * mark the bitmap as opaque. Doing so will clear the bitmap in black 926f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * instead of transparent. 927f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 9289fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * @throws IllegalArgumentException if the width or height are <= 0, or if 9299fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv * Config is Config.HARDWARE, because hardware bitmaps are always immutable 930dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn */ 9319505a6552764461c22ce48f1ac13d025d23e1579Romain Guy public static Bitmap createBitmap(DisplayMetrics display, int width, int height, 932dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn Config config, boolean hasAlpha) { 933e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy if (width <= 0 || height <= 0) { 934e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy throw new IllegalArgumentException("width and height must be > 0"); 935e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 9369fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv if (config == Config.HARDWARE) { 9379fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv throw new IllegalArgumentException("can't create mutable bitmap with Config.HARDWARE"); 9389fbb0b5ab321d86efbc7fa8774052bfb34de9557sergeyv } 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Bitmap bm = nativeCreate(null, 0, width, width, height, config.nativeInt, true); 940dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn if (display != null) { 941dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn bm.mDensity = display.densityDpi; 942dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn } 9438790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III bm.setHasAlpha(hasAlpha); 9449505a6552764461c22ce48f1ac13d025d23e1579Romain Guy if ((config == Config.ARGB_8888 || config == Config.RGBA_F16) && !hasAlpha) { 945775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeErase(bm.mNativePtr, 0xff000000); 946d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy } 9473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // No need to initialize the bitmap to zeroes with other configs; 9483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // it is backed by a VM byte array which is by definition preinitialized 9493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // to all zeroes. 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bm; 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9528cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a immutable bitmap with the specified width and height, with each 95596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * pixel value set to the corresponding value in the colors array. Its 95696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * initial density is as per {@link #getDensity}. 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colors Array of {@link Color} used to initialize the pixels. 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset Number of values to skip before the first color in the 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * array of colors. 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stride Number of colors in the array between rows (must be >= 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * width or <= -width). 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The width of the bitmap 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The height of the bitmap 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param config The bitmap config to create. If the config does not 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * support per-pixel alpha (e.g. RGB_565), then the alpha 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bytes in the colors[] will be ignored (assumed to be FF) 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalArgumentException if the width or height are <= 0, or if 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the color array's length is less than the number of pixels. 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static Bitmap createBitmap(int colors[], int offset, int stride, 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int width, int height, Config config) { 973dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn return createBitmap(null, colors, offset, stride, width, height, config); 974dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn } 975dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn 976dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn /** 977dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * Returns a immutable bitmap with the specified width and height, with each 978dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * pixel value set to the corresponding value in the colors array. Its 979dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * initial density is determined from the given {@link DisplayMetrics}. 980dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * 981dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param display Display metrics for the display this bitmap will be 982dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * drawn on. 983dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param colors Array of {@link Color} used to initialize the pixels. 984dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param offset Number of values to skip before the first color in the 985dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * array of colors. 986dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param stride Number of colors in the array between rows (must be >= 987dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * width or <= -width). 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. If the config does not 991dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * support per-pixel alpha (e.g. RGB_565), then the alpha 992dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * bytes in the colors[] will be ignored (assumed to be FF) 993dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @throws IllegalArgumentException if the width or height are <= 0, or if 994dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * the color array's length is less than the number of pixels. 995dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn */ 996dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn public static Bitmap createBitmap(DisplayMetrics display, int colors[], 997dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn int offset, int stride, int width, int height, Config config) { 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkWidthHeight(width, height); 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Math.abs(stride) < width) { 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("abs(stride) must be >= width"); 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int lastScanline = offset + (height - 1) * stride; 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = colors.length; 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offset < 0 || (offset + width > length) || lastScanline < 0 || 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (lastScanline + width > length)) { 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1009e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy if (width <= 0 || height <= 0) { 1010e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy throw new IllegalArgumentException("width and height must be > 0"); 1011e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 1012dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn Bitmap bm = nativeCreate(colors, offset, stride, width, height, 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project config.nativeInt, false); 1014dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn if (display != null) { 1015dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn bm.mDensity = display.densityDpi; 1016dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn } 1017dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn return bm; 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a immutable bitmap with the specified width and height, with each 102296e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * pixel value set to the corresponding value in the colors array. Its 102396e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * initial density is as per {@link #getDensity}. 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colors Array of {@link Color} used to initialize the pixels. 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This array must be at least as large as width * height. 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The width of the bitmap 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The height of the bitmap 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param config The bitmap config to create. If the config does not 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * support per-pixel alpha (e.g. RGB_565), then the alpha 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bytes in the colors[] will be ignored (assumed to be FF) 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalArgumentException if the width or height are <= 0, or if 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the color array's length is less than the number of pixels. 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static Bitmap createBitmap(int colors[], int width, int height, Config config) { 1036dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn return createBitmap(null, colors, 0, width, width, height, config); 1037dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn } 1038dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn 1039dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn /** 1040dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * Returns a immutable bitmap with the specified width and height, with each 1041dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * pixel value set to the corresponding value in the colors array. Its 1042dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * initial density is determined from the given {@link DisplayMetrics}. 1043dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * 1044dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param display Display metrics for the display this bitmap will be 1045dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * drawn on. 1046dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param colors Array of {@link Color} used to initialize the pixels. 1047dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * This array must be at least as large as width * height. 1048dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param width The width of the bitmap 1049dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param height The height of the bitmap 1050dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @param config The bitmap config to create. If the config does not 1051dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * support per-pixel alpha (e.g. RGB_565), then the alpha 1052dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * bytes in the colors[] will be ignored (assumed to be FF) 1053dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * @throws IllegalArgumentException if the width or height are <= 0, or if 1054dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn * the color array's length is less than the number of pixels. 1055dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn */ 1056dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn public static Bitmap createBitmap(DisplayMetrics display, int colors[], 1057dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn int width, int height, Config config) { 1058dde331cebd87982faded6818ad5f9927ff994c96Dianne Hackborn return createBitmap(display, colors, 0, width, width, height, config); 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns an optional array of private data, used by the UI system for 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * some bitmaps. Not intended to be called by applications. 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public byte[] getNinePatchChunk() { 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mNinePatchChunk; 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1070c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viverette * Populates a rectangle with the bitmap's optical insets. 1071c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viverette * 1072c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viverette * @param outInsets Rect to populate with optical insets 1073ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani * @hide 1074ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani */ 1075c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viverette public void getOpticalInsets(@NonNull Rect outInsets) { 107647cd8e921db73e894f94ec4729ade90da50996f5Chris Craik if (mNinePatchInsets == null) { 1077c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viverette outInsets.setEmpty(); 1078c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viverette } else { 107947cd8e921db73e894f94ec4729ade90da50996f5Chris Craik outInsets.set(mNinePatchInsets.opticalRect); 1080c054966b719c8a7255f7cf4120cca5050acb68bdAlan Viverette } 1081ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 1082ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 108347cd8e921db73e894f94ec4729ade90da50996f5Chris Craik /** @hide */ 108447cd8e921db73e894f94ec4729ade90da50996f5Chris Craik public NinePatch.InsetStruct getNinePatchInsets() { 108547cd8e921db73e894f94ec4729ade90da50996f5Chris Craik return mNinePatchInsets; 108647cd8e921db73e894f94ec4729ade90da50996f5Chris Craik } 108747cd8e921db73e894f94ec4729ade90da50996f5Chris Craik 1088ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani /** 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies the known formats a bitmap can be compressed into 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum CompressFormat { 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JPEG (0), 10932305ac9e4a262ed09fd034ae417e9b1dda4c0ccbVikas Arora PNG (1), 10942305ac9e4a262ed09fd034ae417e9b1dda4c0ccbVikas Arora WEBP (2); 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CompressFormat(int nativeInt) { 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.nativeInt = nativeInt; 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int nativeInt; 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Number of bytes of temp storage we use for communicating between the 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * native compressor and the java OutputStream. 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static int WORKING_COMPRESS_STORAGE = 4096; 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Write a compressed version of the bitmap to the specified outputstream. 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If this returns true, the bitmap can be reconstructed by passing a 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * corresponding inputstream to BitmapFactory.decodeStream(). Note: not 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all Formats support all bitmap configs directly, so it is possible that 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the returned bitmap from BitmapFactory could be in a different bitdepth, 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and/or may have lost per-pixel alpha (e.g. JPEG only supports opaque 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pixels). 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param format The format of the compressed image 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param quality Hint to the compressor, 0-100. 0 meaning compress for 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * small size, 100 meaning compress for max quality. Some 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * formats, like PNG which is lossless, will ignore the 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * quality setting 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stream The outputstream to write the compressed data. 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if successfully compressed to the specified stream. 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean compress(CompressFormat format, int quality, OutputStream stream) { 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't compress a recycled bitmap"); 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // do explicit check before calling the native method 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (stream == null) { 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (quality < 0 || quality > 100) { 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("quality must be 0..100"); 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11340df3bd5594bbbbfbf6058ecb31e9b94a1cd22f7dJohn Reck Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, "Bitmap.compress"); 1135775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler boolean result = nativeCompress(mNativePtr, format.nativeInt, 1136f29ed28c7b878ef28058bc730715d0d32445bc57John Reck quality, stream, new byte[WORKING_COMPRESS_STORAGE]); 11370df3bd5594bbbbfbf6058ecb31e9b94a1cd22f7dJohn Reck Trace.traceEnd(Trace.TRACE_TAG_RESOURCES); 11380df3bd5594bbbbfbf6058ecb31e9b94a1cd22f7dJohn Reck return result; 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11408cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1142ff236f5fc1a088b1210d37a67b0e88b06c0fbdb2Newton Allen * Returns true if the bitmap is marked as mutable (i.e. can be drawn into) 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean isMutable() { 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mIsMutable; 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11483849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy /** 11493849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <p>Indicates whether pixels stored in this bitmaps are stored pre-multiplied. 11503849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * When a pixel is pre-multiplied, the RGB components have been multiplied by 11513849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * the alpha component. For instance, if the original color is a 50% 1152f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * translucent red <code>(128, 255, 0, 0)</code>, the pre-multiplied form is 11533849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <code>(128, 128, 0, 0)</code>.</p> 1154f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 11553849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <p>This method always returns false if {@link #getConfig()} is 11564ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy * {@link Bitmap.Config#RGB_565}.</p> 1157f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 115857ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * <p>The return value is undefined if {@link #getConfig()} is 115957ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * {@link Bitmap.Config#ALPHA_8}.</p> 116057ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III * 11614ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy * <p>This method only returns true if {@link #hasAlpha()} returns true. 11624ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy * A bitmap with no alpha channel can be used both as a pre-multiplied and 11634ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy * as a non pre-multiplied bitmap.</p> 11641abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * 11651abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * <p>Only pre-multiplied bitmaps may be drawn by the view system or 11661abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * {@link Canvas}. If a non-pre-multiplied bitmap with an alpha channel is 11671abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * drawn to a Canvas, a RuntimeException will be thrown.</p> 11681abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * 11693849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * @return true if the underlying pixels have been pre-multiplied, false 11703849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * otherwise 11711abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * 11721abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * @see Bitmap#setPremultiplied(boolean) 11731abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * @see BitmapFactory.Options#inPremultiplied 11743849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy */ 11753849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy public final boolean isPremultiplied() { 117601a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 117701a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called isPremultiplied() on a recycle()'d bitmap! This is undefined behavior!"); 117801a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 1179775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return nativeIsPremultiplied(mNativePtr); 11801abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik } 11811abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik 11821abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik /** 11831abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * Sets whether the bitmap should treat its data as pre-multiplied. 11841abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * 11851abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * <p>Bitmaps are always treated as pre-multiplied by the view system and 11861abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * {@link Canvas} for performance reasons. Storing un-pre-multiplied data in 11871abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * a Bitmap (through {@link #setPixel}, {@link #setPixels}, or {@link 11881abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * BitmapFactory.Options#inPremultiplied BitmapFactory.Options.inPremultiplied}) 11891abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * can lead to incorrect blending if drawn by the framework.</p> 11901abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * 11911abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * <p>This method will not affect the behavior of a bitmap without an alpha 11921abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * channel, or if {@link #hasAlpha()} returns false.</p> 11931abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * 1194889a1ddd00b74933d5f7daa651d98133bcb034baBen Murdoch * <p>Calling {@link #createBitmap} or {@link #createScaledBitmap} with a source 11958790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III * Bitmap whose colors are not pre-multiplied may result in a RuntimeException, 11968790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III * since those functions require drawing the source, which is not supported for 11978790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III * un-pre-multiplied Bitmaps.</p> 11988790be6de3644e332ec6a17c855da89ffc13a9bfLeon Scroggins III * 11991abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * @see Bitmap#isPremultiplied() 12001abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * @see BitmapFactory.Options#inPremultiplied 12011abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik */ 12021abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik public final void setPremultiplied(boolean premultiplied) { 12033e776dee3e8af646cdcfb7a60e0e301c99f05293John Reck checkRecycled("setPremultiplied called on a recycled bitmap"); 120457ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III mRequestPremultiplied = premultiplied; 1205775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeSetPremultiplied(mNativePtr, premultiplied); 12063849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy } 12073849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Returns the bitmap's width */ 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final int getWidth() { 121001a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 121101a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called getWidth() on a recycle()'d bitmap! This is undefined behavior!"); 121201a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 12131abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik return mWidth; 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Returns the bitmap's height */ 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final int getHeight() { 121801a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 121901a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called getHeight() on a recycle()'d bitmap! This is undefined behavior!"); 122001a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 12211abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik return mHeight; 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12238cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 122511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * Convenience for calling {@link #getScaledWidth(int)} with the target 122611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * density of the given {@link Canvas}. 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12282784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn public int getScaledWidth(Canvas canvas) { 122911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return scaleFromDensity(getWidth(), mDensity, canvas.mDensity); 12302784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn } 12312784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn 12322784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn /** 123311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * Convenience for calling {@link #getScaledHeight(int)} with the target 123411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * density of the given {@link Canvas}. 12352784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn */ 12362784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn public int getScaledHeight(Canvas canvas) { 123711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return scaleFromDensity(getHeight(), mDensity, canvas.mDensity); 123811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn } 123911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn 124011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn /** 124111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * Convenience for calling {@link #getScaledWidth(int)} with the target 124211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * density of the given {@link DisplayMetrics}. 124311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn */ 124411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public int getScaledWidth(DisplayMetrics metrics) { 124511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return scaleFromDensity(getWidth(), mDensity, metrics.densityDpi); 124611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn } 124711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn 124811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn /** 124911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * Convenience for calling {@link #getScaledHeight(int)} with the target 125011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * density of the given {@link DisplayMetrics}. 125111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn */ 125211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public int getScaledHeight(DisplayMetrics metrics) { 125311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return scaleFromDensity(getHeight(), mDensity, metrics.densityDpi); 12542784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn } 12552784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn 12562784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn /** 12572784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn * Convenience method that returns the width of this bitmap divided 12582784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn * by the density scale factor. 12592784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn * 126011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @param targetDensity The density of the target canvas of the bitmap. 12612784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn * @return The scaled width of this bitmap, according to the density scale factor. 12622784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn */ 126311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public int getScaledWidth(int targetDensity) { 126411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return scaleFromDensity(getWidth(), mDensity, targetDensity); 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method that returns the height of this bitmap divided 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by the density scale factor. 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 127111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @param targetDensity The density of the target canvas of the bitmap. 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The scaled height of this bitmap, according to the density scale factor. 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 127411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public int getScaledHeight(int targetDensity) { 127511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return scaleFromDensity(getHeight(), mDensity, targetDensity); 127611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn } 1277f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck 127811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn /** 127911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @hide 128011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn */ 128111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn static public int scaleFromDensity(int size, int sdensity, int tdensity) { 12820b68477f8287fe5ddac1beb1c9d0811ded034dadRomain Guy if (sdensity == DENSITY_NONE || tdensity == DENSITY_NONE || sdensity == tdensity) { 128311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return size; 12842784ff0af88128f66ae690b73d48fb7e4a211e68Dianne Hackborn } 1285f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck 128611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn // Scale by tdensity / sdensity, rounding up. 1287366a84056c9a695ee6702d9d30bf9f3b521ba7ccRomain Guy return ((size * tdensity) + (sdensity >> 1)) / sdensity; 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1289f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the number of bytes between rows in the bitmap's pixels. Note that 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this refers to the pixels as stored natively by the bitmap. If you call 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * getPixels() or setPixels(), then the pixels are uniformly treated as 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 32bit values, packed according to the Color class. 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1296e8222dddaf2e3da14380101e818d4254899e0c0dChet Haase * <p>As of {@link android.os.Build.VERSION_CODES#KITKAT}, this method 12979f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * should not be used to calculate the memory usage of the bitmap. Instead, 12989f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * see {@link #getAllocationByteCount()}. 12999f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return number of bytes between rows of the native bitmap pixels. 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final int getRowBytes() { 130301a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 130401a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called getRowBytes() on a recycle()'d bitmap! This is undefined behavior!"); 130501a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 1306775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return nativeRowBytes(mNativePtr); 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13088cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13109f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * Returns the minimum number of bytes that can be used to store this bitmap's pixels. 13119f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * 1312e8222dddaf2e3da14380101e818d4254899e0c0dChet Haase * <p>As of {@link android.os.Build.VERSION_CODES#KITKAT}, the result of this method can 13139f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * no longer be used to determine memory usage of a bitmap. See {@link 1314c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * #getAllocationByteCount()}.</p> 1315f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson */ 1316f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson public final int getByteCount() { 13173bdecbf0fd2d4b6137477094e1ea96502c353248John Reck if (mRecycled) { 13183bdecbf0fd2d4b6137477094e1ea96502c353248John Reck Log.w(TAG, "Called getByteCount() on a recycle()'d bitmap! " 13193bdecbf0fd2d4b6137477094e1ea96502c353248John Reck + "This is undefined behavior!"); 13203bdecbf0fd2d4b6137477094e1ea96502c353248John Reck return 0; 13213bdecbf0fd2d4b6137477094e1ea96502c353248John Reck } 1322f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson // int result permits bitmaps up to 46,340 x 46,340 1323f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson return getRowBytes() * getHeight(); 1324f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson } 1325f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson 1326f7f9d9c39df22ad6929f001f07588469f77e8bf5Jesse Wilson /** 13279f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * Returns the size of the allocated memory used to store this bitmap's pixels. 13289f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * 13299f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * <p>This can be larger than the result of {@link #getByteCount()} if a bitmap is reused to 1330c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * decode other bitmaps of smaller size, or by manual reconfiguration. See {@link 1331c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * #reconfigure(int, int, Config)}, {@link #setWidth(int)}, {@link #setHeight(int)}, {@link 1332c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * #setConfig(Bitmap.Config)}, and {@link BitmapFactory.Options#inBitmap 1333c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * BitmapFactory.Options.inBitmap}. If a bitmap is not modified in this way, this value will be 1334c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * the same as that returned by {@link #getByteCount()}.</p> 1335c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * 1336c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * <p>This value will not change over the lifetime of a Bitmap.</p> 13379f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik * 1338c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik * @see #reconfigure(int, int, Config) 13399f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik */ 13409f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik public final int getAllocationByteCount() { 13413bdecbf0fd2d4b6137477094e1ea96502c353248John Reck if (mRecycled) { 13423bdecbf0fd2d4b6137477094e1ea96502c353248John Reck Log.w(TAG, "Called getAllocationByteCount() on a recycle()'d bitmap! " 13433bdecbf0fd2d4b6137477094e1ea96502c353248John Reck + "This is undefined behavior!"); 13443bdecbf0fd2d4b6137477094e1ea96502c353248John Reck return 0; 13453bdecbf0fd2d4b6137477094e1ea96502c353248John Reck } 13464508218850faedea95371188da587b6734f5f3dasergeyv return nativeGetAllocationByteCount(mNativePtr); 13479f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik } 13489f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik 13499f58361e98be7386a4eadd3aa254e9b7d09d0a3bChris Craik /** 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If the bitmap's internal config is in one of the public formats, return 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that config, otherwise return null. 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Config getConfig() { 135401a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 135501a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called getConfig() on a recycle()'d bitmap! This is undefined behavior!"); 135601a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 1357775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return Config.nativeToConfig(nativeConfig(mNativePtr)); 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1360a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed /** Returns true if the bitmap's config supports per-pixel alpha, and 1361a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * if the pixels may contain non-opaque alpha values. For some configs, 1362a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * this is always false (e.g. RGB_565), since they do not support per-pixel 1363a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * alpha. However, for configs that do, the bitmap may be flagged to be 1364a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * known that all of its pixels are opaque. In this case hasAlpha() will 1365a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * also return false. If a config such as ARGB_8888 is not so flagged, 1366a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * it will return true by default. 1367a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed */ 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean hasAlpha() { 136901a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 137001a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called hasAlpha() on a recycle()'d bitmap! This is undefined behavior!"); 137101a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 1372775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return nativeHasAlpha(mNativePtr); 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1376a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * Tell the bitmap if all of the pixels are known to be opaque (false) 1377a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * or if some of the pixels may contain non-opaque alpha values (true). 1378366a84056c9a695ee6702d9d30bf9f3b521ba7ccRomain Guy * Note, for some configs (e.g. RGB_565) this call is ignored, since it 1379366a84056c9a695ee6702d9d30bf9f3b521ba7ccRomain Guy * does not support per-pixel alpha values. 1380a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * 1381a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * This is meant as a drawing hint, as in some cases a bitmap that is known 1382a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * to be opaque can take a faster drawing case than one that may have 1383a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed * non-opaque per-pixel alpha values. 1384a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed */ 1385a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed public void setHasAlpha(boolean hasAlpha) { 13863e776dee3e8af646cdcfb7a60e0e301c99f05293John Reck checkRecycled("setHasAlpha called on a recycled bitmap"); 1387775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeSetHasAlpha(mNativePtr, hasAlpha, mRequestPremultiplied); 1388a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed } 1389a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed 1390a78b0a2d9ebb38b86ed802b3d86de07d0b301262Mike Reed /** 1391713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * Indicates whether the renderer responsible for drawing this 1392713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * bitmap should attempt to use mipmaps when this bitmap is drawn 1393713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * scaled down. 1394f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 1395713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * If you know that you are going to draw this bitmap at less than 1396713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * 50% of its original size, you may be able to obtain a higher 1397713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * quality 1398f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 1399713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * This property is only a suggestion that can be ignored by the 1400713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * renderer. It is not guaranteed to have any effect. 1401f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 1402713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * @return true if the renderer should attempt to use mipmaps, 1403713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * false otherwise 1404f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 1405713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * @see #setHasMipMap(boolean) 1406713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy */ 1407713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy public final boolean hasMipMap() { 140801a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck if (mRecycled) { 140901a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck Log.w(TAG, "Called hasMipMap() on a recycle()'d bitmap! This is undefined behavior!"); 141001a0af31d7d418f400ce5d3f752eba6a35aa00e2John Reck } 1411775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return nativeHasMipMap(mNativePtr); 1412713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy } 1413713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy 1414713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy /** 1415713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * Set a hint for the renderer responsible for drawing this bitmap 1416713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * indicating that it should attempt to use mipmaps when this bitmap 1417713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * is drawn scaled down. 1418713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * 1419713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * If you know that you are going to draw this bitmap at less than 1420713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * 50% of its original size, you may be able to obtain a higher 1421713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * quality by turning this property on. 1422f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 1423713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * Note that if the renderer respects this hint it might have to 1424713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * allocate extra memory to hold the mipmap levels for this bitmap. 1425713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * 1426713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * This property is only a suggestion that can be ignored by the 1427713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * renderer. It is not guaranteed to have any effect. 1428713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * 1429713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * @param hasMipMap indicates whether the renderer should attempt 1430713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * to use mipmaps 1431713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * 1432713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * @see #hasMipMap() 1433713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy */ 1434713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy public final void setHasMipMap(boolean hasMipMap) { 14353e776dee3e8af646cdcfb7a60e0e301c99f05293John Reck checkRecycled("setHasMipMap called on a recycled bitmap"); 1436775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeSetHasMipMap(mNativePtr, hasMipMap); 1437713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy } 1438713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy 1439713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy /** 1440efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy * Returns the color space associated with this bitmap. If the color 1441efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy * space is unknown, this method returns null. 1442efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy */ 1443efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy @Nullable 1444efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy public final ColorSpace getColorSpace() { 1445efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy // A reconfigure can change the configuration and rgba16f is 1446efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy // always linear scRGB at this time 1447efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy if (getConfig() == Config.RGBA_F16) { 1448efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy // Reset the color space for potential future reconfigurations 1449efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy mColorSpace = null; 1450efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy return ColorSpace.get(ColorSpace.Named.LINEAR_EXTENDED_SRGB); 1451efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } 1452efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy 1453efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy // Cache the color space retrieval since it can be fairly expensive 1454efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy if (mColorSpace == null) { 1455efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy if (nativeIsSRGB(mNativePtr)) { 1456efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy mColorSpace = ColorSpace.get(ColorSpace.Named.SRGB); 1457efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } else { 1458efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy float[] xyz = new float[9]; 1459efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy float[] params = new float[7]; 1460efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy 1461efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy boolean hasColorSpace = nativeGetColorSpace(mNativePtr, xyz, params); 1462efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy if (hasColorSpace) { 1463efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy ColorSpace.Rgb.TransferParameters parameters = 1464efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy new ColorSpace.Rgb.TransferParameters( 1465efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy params[0], params[1], params[2], 1466efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy params[3], params[4], params[5], params[6]); 1467efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy ColorSpace cs = ColorSpace.match(xyz, parameters); 1468efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy if (cs != null) { 1469efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy mColorSpace = cs; 1470efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } else { 1471efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy mColorSpace = new ColorSpace.Rgb("Unknown", xyz, parameters); 1472efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } 1473efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } 1474efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } 1475efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } 1476efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy 1477efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy return mColorSpace; 1478efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy } 1479efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy 1480efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy /** 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fills the bitmap's pixels with the specified {@link Color}. 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if the bitmap is not mutable. 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 148580756e38882720860db52f1fcc21fa1505a02abfTor Norbye public void eraseColor(@ColorInt int c) { 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't erase a recycled bitmap"); 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isMutable()) { 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("cannot erase immutable bitmaps"); 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1490775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeErase(mNativePtr, c); 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the {@link Color} at the specified location. Throws an exception 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if x or y are out of bounds (negative or >= to the width or height 14963849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * respectively). The returned color is a non-premultiplied ARGB value. 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x coordinate (0...width-1) of the pixel to return 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y coordinate (0...height-1) of the pixel to return 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The argb {@link Color} at the specified coordinate 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalArgumentException if x, y exceed the bitmap's bounds 150257eafc6f90a1ce2dd97079dd82b4b2f8dcd9e00fsergeyv * @throws IllegalStateException if the bitmap's config is {@link Config#HARDWARE} 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 150480756e38882720860db52f1fcc21fa1505a02abfTor Norbye @ColorInt 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPixel(int x, int y) { 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't call getPixel() on a recycled bitmap"); 1507980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv checkHardware("unable to getPixel(), " 1508980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv + "pixel access is not supported on Config#HARDWARE bitmaps"); 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkPixelAccess(x, y); 1510775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return nativeGetPixel(mNativePtr, x, y); 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15128cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns in pixels[] a copy of the data in the bitmap. Each value is 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a packed int representing a {@link Color}. The stride parameter allows 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the caller to allow for gaps in the returned pixels array between 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rows. For normal packed results, just pass width for the stride value. 15183849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * The returned colors are non-premultiplied ARGB values. 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pixels The array to receive the bitmap's colors 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset The first index to write into pixels[] 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stride The number of entries in pixels[] to skip between 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rows (must be >= bitmap's width). Can be negative. 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x coordinate of the first pixel to read from 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bitmap 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y coordinate of the first pixel to read from 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bitmap 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The number of pixels to read from each row 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The number of rows to read 15303849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalArgumentException if x, y, width, height exceed the 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bounds of the bitmap, or if abs(stride) < width. 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws ArrayIndexOutOfBoundsException if the pixels array is too small 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to receive the specified number of pixels. 153557eafc6f90a1ce2dd97079dd82b4b2f8dcd9e00fsergeyv * @throws IllegalStateException if the bitmap's config is {@link Config#HARDWARE} 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 153780756e38882720860db52f1fcc21fa1505a02abfTor Norbye public void getPixels(@ColorInt int[] pixels, int offset, int stride, 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int x, int y, int width, int height) { 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't call getPixels() on a recycled bitmap"); 1540980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv checkHardware("unable to getPixels(), " 1541980bead518fc5ddb52ae8d00258f91b087c1f91asergeyv + "pixel access is not supported on Config#HARDWARE bitmaps"); 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width == 0 || height == 0) { 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // nothing to do 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkPixelsAccess(x, y, width, height, offset, stride, pixels); 1546775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeGetPixels(mNativePtr, pixels, offset, stride, 154757ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III x, y, width, height); 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15498cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Shared code to check for illegal arguments passed to getPixel() 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or setPixel() 1553f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x x coordinate of the pixel 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y y coordinate of the pixel 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void checkPixelAccess(int x, int y) { 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkXYSign(x, y); 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (x >= getWidth()) { 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("x must be < bitmap.width()"); 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (y >= getHeight()) { 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("y must be < bitmap.height()"); 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Shared code to check for illegal arguments passed to getPixels() 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or setPixels() 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x left edge of the area of pixels to access 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y top edge of the area of pixels to access 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width width of the area of pixels to access 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height height of the area of pixels to access 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset offset into pixels[] array 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stride number of elements in pixels[] between each logical row 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pixels array to hold the area of pixels being accessed 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void checkPixelsAccess(int x, int y, int width, int height, 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int offset, int stride, int pixels[]) { 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkXYSign(x, y); 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width < 0) { 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("width must be >= 0"); 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height < 0) { 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("height must be >= 0"); 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (x + width > getWidth()) { 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException( 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "x + width must be <= bitmap.width()"); 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (y + height > getHeight()) { 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException( 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "y + height must be <= bitmap.height()"); 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Math.abs(stride) < width) { 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("abs(stride) must be >= width"); 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int lastScanline = offset + (height - 1) * stride; 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = pixels.length; 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offset < 0 || (offset + width > length) 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || lastScanline < 0 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (lastScanline + width > length)) { 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16078cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16093849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <p>Write the specified {@link Color} into the bitmap (assuming it is 16103849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * mutable) at the x,y coordinate. The color must be a 16113849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * non-premultiplied ARGB value.</p> 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x coordinate of the pixel to replace (0...width-1) 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y coordinate of the pixel to replace (0...height-1) 16153849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * @param color The ARGB color to write into the bitmap 16163849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if the bitmap is not mutable 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalArgumentException if x, y are outside of the bitmap's 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bounds. 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 162180756e38882720860db52f1fcc21fa1505a02abfTor Norbye public void setPixel(int x, int y, @ColorInt int color) { 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't call setPixel() on a recycled bitmap"); 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isMutable()) { 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException(); 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkPixelAccess(x, y); 1627775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeSetPixel(mNativePtr, x, y, color); 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16298cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16313849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * <p>Replace pixels in the bitmap with the colors in the array. Each element 16329505a6552764461c22ce48f1ac13d025d23e1579Romain Guy * in the array is a packed int representing a non-premultiplied ARGB 16333849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * {@link Color}.</p> 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pixels The colors to write to the bitmap 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset The index of the first color to read from pixels[] 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stride The number of colors in pixels[] to skip between rows. 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Normally this value will be the same as the width of 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bitmap, but it can be larger (or negative). 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x coordinate of the first pixel to write to in 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bitmap. 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y coordinate of the first pixel to write to in 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bitmap. 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The number of colors to copy from pixels[] per row 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The number of rows to write to the bitmap 16463849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy * 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if the bitmap is not mutable 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalArgumentException if x, y, width, height are outside of 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bitmap's bounds. 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws ArrayIndexOutOfBoundsException if the pixels array is too small 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to receive the specified number of pixels. 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 165380756e38882720860db52f1fcc21fa1505a02abfTor Norbye public void setPixels(@ColorInt int[] pixels, int offset, int stride, 16543849f93b3c2b29ca3873b602897dccac039a0b98Romain Guy int x, int y, int width, int height) { 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't call setPixels() on a recycled bitmap"); 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isMutable()) { 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException(); 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width == 0 || height == 0) { 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // nothing to do 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkPixelsAccess(x, y, width, height, offset, stride, pixels); 1663775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler nativeSetPixels(mNativePtr, pixels, offset, stride, 166457ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III x, y, width, height); 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16668cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final Parcelable.Creator<Bitmap> CREATOR 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = new Parcelable.Creator<Bitmap>() { 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Rebuilds a bitmap previously stored with writeToParcel(). 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param p Parcel object to read the bitmap from 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a new bitmap created from the data in the parcel 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Bitmap createFromParcel(Parcel p) { 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Bitmap bm = nativeCreateFromParcel(p); 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bm == null) { 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Failed to unparcel Bitmap"); 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bm; 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Bitmap[] newArray(int size) { 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new Bitmap[size]; 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * No special parcel contents. 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int describeContents() { 1691b6377170960d40e66858d8b4d335a95eac773762Bart Sears return 0; 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Write the bitmap and its pixels to the parcel. The bitmap can be 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rebuilt from the parcel by calling CREATOR.createFromParcel(). 1697f161dce70eab5ba1011bd26226c14e31675d5955sergeyv * 1698f161dce70eab5ba1011bd26226c14e31675d5955sergeyv * If this bitmap is {@link Config#HARDWARE}, it may be unparceled with a different pixel 1699f161dce70eab5ba1011bd26226c14e31675d5955sergeyv * format (e.g. 565, 8888), but the content will be preserved to the best quality permitted 1700f161dce70eab5ba1011bd26226c14e31675d5955sergeyv * by the final pixel format 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param p Parcel object to write the bitmap data into 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void writeToParcel(Parcel p, int flags) { 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't parcel a recycled bitmap"); 1705775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler if (!nativeWriteToParcel(mNativePtr, mIsMutable, mDensity, p)) { 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("native writeToParcel failed"); 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a new bitmap that captures the alpha values of the original. 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This may be drawn with Canvas.drawBitmap(), where the color(s) will be 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * taken from the paint that is passed to the draw call. 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return new bitmap containing the alpha channel of the original bitmap. 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17171c2bf03d1082fc6b7eb42cbd163c60c07cf2bcccTor Norbye @CheckResult 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Bitmap extractAlpha() { 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return extractAlpha(null, null); 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17218cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a new bitmap that captures the alpha values of the original. 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * These values may be affected by the optional Paint parameter, which 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can contain its own alpha, and may also contain a MaskFilter which 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * could change the actual dimensions of the resulting bitmap (e.g. 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a blur maskfilter might enlarge the resulting bitmap). If offsetXY 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is not null, it returns the amount to offset the returned bitmap so 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that it will logically align with the original. For example, if the 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * paint contains a blur of radius 2, then offsetXY[] would contains 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -2, -2, so that drawing the alpha bitmap offset by (-2, -2) and then 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawing the original would result in the blur visually aligning with 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the original. 1734f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 173596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * <p>The initial density of the returned bitmap is the same as the original's. 1736f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck * 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint Optional paint used to modify the alpha values in the 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * resulting bitmap. Pass null for default behavior. 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offsetXY Optional array that returns the X (index 0) and Y 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (index 1) offset needed to position the returned bitmap 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so that it visually lines up with the original. 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return new bitmap containing the (optionally modified by paint) alpha 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * channel of the original bitmap. This may be drawn with 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Canvas.drawBitmap(), where the color(s) will be taken from the 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * paint that is passed to the draw call. 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17471c2bf03d1082fc6b7eb42cbd163c60c07cf2bcccTor Norbye @CheckResult 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Bitmap extractAlpha(Paint paint, int[] offsetXY) { 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRecycled("Can't extractAlpha on a recycled bitmap"); 1750dfba4d3d11bbf47dff45f94d61d4d97510b3034aDerek Sollenberger long nativePaint = paint != null ? paint.getNativeInstance() : 0; 1751775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler Bitmap bm = nativeExtractAlpha(mNativePtr, nativePaint, offsetXY); 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bm == null) { 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Failed to extractAlpha on Bitmap"); 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 175596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn bm.mDensity = mDensity; 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bm; 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17598cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen /** 176076d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed * Given another bitmap, return true if it has the same dimensions, config, 176176d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed * and pixel data as this bitmap. If any of those differ, return false. 176276d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed * If other is null, return false. 176376d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed */ 176476d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed public boolean sameAs(Bitmap other) { 17659298c5414172344f2462beda70e624af5f774483John Reck checkRecycled("Can't call sameAs on a recycled bitmap!"); 17663df4869a77bdeb72d5810bbcf7819ed1b8dd0ec7John Reck if (this == other) return true; 17673df4869a77bdeb72d5810bbcf7819ed1b8dd0ec7John Reck if (other == null) return false; 17689298c5414172344f2462beda70e624af5f774483John Reck if (other.isRecycled()) { 17699298c5414172344f2462beda70e624af5f774483John Reck throw new IllegalArgumentException("Can't compare to a recycled bitmap!"); 17709298c5414172344f2462beda70e624af5f774483John Reck } 1771775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler return nativeSameAs(mNativePtr, other.mNativePtr); 177276d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed } 177376d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed 177476d1e01d5e65c4631c827831e98ad4e300d99eabMike Reed /** 17758cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen * Rebuilds any caches associated with the bitmap that are used for 17768cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen * drawing it. In the case of purgeable bitmaps, this call will attempt to 17778cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen * ensure that the pixels have been decoded. 17788cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen * If this is called on more than one bitmap in sequence, the priority is 17798cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen * given in LRU order (i.e. the last bitmap called will be given highest 17808cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen * priority). 17818cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen * 17828cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen * For bitmaps with no associated caches, this call is effectively a no-op, 17838cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen * and therefore is harmless. 17848cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen */ 17858cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen public void prepareToDraw() { 1786ad57442fd00e7fd7f1885d23372ec5c85e176820John Reck checkRecycled("Can't prepareToDraw on a recycled bitmap!"); 17874387190d8ec9fe4e953fcfeb093a644b82cf85edJohn Reck // Kick off an update/upload of the bitmap outside of the normal 17884387190d8ec9fe4e953fcfeb093a644b82cf85edJohn Reck // draw path. 17894387190d8ec9fe4e953fcfeb093a644b82cf85edJohn Reck nativePrepareToDraw(mNativePtr); 1790f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck } 1791f4faeac3525fe1ce3707ab785a1651aec367589dJohn Reck 17926e3658a63843096058ed444d073fbcd191fd7e1bsergeyv /** 17936e3658a63843096058ed444d073fbcd191fd7e1bsergeyv * 17946e3658a63843096058ed444d073fbcd191fd7e1bsergeyv * @return {@link GraphicBuffer} which is internally used by hardware bitmap 17956e3658a63843096058ed444d073fbcd191fd7e1bsergeyv * @hide 17966e3658a63843096058ed444d073fbcd191fd7e1bsergeyv */ 17976e3658a63843096058ed444d073fbcd191fd7e1bsergeyv public GraphicBuffer createGraphicBufferHandle() { 17986e3658a63843096058ed444d073fbcd191fd7e1bsergeyv return nativeCreateGraphicBufferHandle(mNativePtr); 17996e3658a63843096058ed444d073fbcd191fd7e1bsergeyv } 18006e3658a63843096058ed444d073fbcd191fd7e1bsergeyv 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //////////// native methods 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native Bitmap nativeCreate(int[] colors, int offset, 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int stride, int width, int height, 1805c84d203da21c3ae3ded94c79c035d41b27809b3bChris Craik int nativeConfig, boolean mutable); 180636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native Bitmap nativeCopy(long nativeSrcBitmap, int nativeConfig, 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean isMutable); 1808721ae5fec5f1fd4f93aa2a361a0ac298e15ce353Riley Andrews private static native Bitmap nativeCopyAshmem(long nativeSrcBitmap); 1809a5fdde9d15fbdf1aaeb61e1cf0c128af3aeb7b67Winson private static native Bitmap nativeCopyAshmemConfig(long nativeSrcBitmap, int nativeConfig); 1810775873a66a946fae2b0535abb51df9817bd1b20cRichard Uhler private static native long nativeGetNativeFinalizer(); 181136bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean nativeRecycle(long nativeBitmap); 181236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeReconfigure(long nativeBitmap, int width, int height, 18134508218850faedea95371188da587b6734f5f3dasergeyv int config, boolean isPremultiplied); 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 181536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean nativeCompress(long nativeBitmap, int format, 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int quality, OutputStream stream, 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project byte[] tempStorage); 181836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeErase(long nativeBitmap, int color); 181936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native int nativeRowBytes(long nativeBitmap); 182036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native int nativeConfig(long nativeBitmap); 18218cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 182257ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III private static native int nativeGetPixel(long nativeBitmap, int x, int y); 182336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeGetPixels(long nativeBitmap, int[] pixels, 18241abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik int offset, int stride, int x, int y, 182557ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III int width, int height); 18268cdcb12752b716d0407733fecefcf1d9e926310aWei-Ta Chen 182757ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III private static native void nativeSetPixel(long nativeBitmap, int x, int y, int color); 182836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeSetPixels(long nativeBitmap, int[] colors, 18291abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik int offset, int stride, int x, int y, 183057ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III int width, int height); 183136bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeCopyPixelsToBuffer(long nativeBitmap, 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Buffer dst); 183336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeCopyPixelsFromBuffer(long nativeBitmap, Buffer src); 183436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native int nativeGenerationId(long nativeBitmap); 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native Bitmap nativeCreateFromParcel(Parcel p); 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // returns true on success 183836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean nativeWriteToParcel(long nativeBitmap, 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean isMutable, 1840de0dfb7b65a02d4dd74c271b558adee0973fc267Dianne Hackborn int density, 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel p); 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // returns a new bitmap built from the native bitmap's alpha, and the paint 184336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native Bitmap nativeExtractAlpha(long nativeBitmap, 184436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePaint, 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] offsetXY); 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 184736bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean nativeHasAlpha(long nativeBitmap); 184857ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III private static native boolean nativeIsPremultiplied(long nativeBitmap); 184957ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III private static native void nativeSetPremultiplied(long nativeBitmap, 185057ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III boolean isPremul); 185157ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III private static native void nativeSetHasAlpha(long nativeBitmap, 185257ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III boolean hasAlpha, 185357ee620ced8caed1eb8651717f6a6d2d5f1f9a5bLeon Scroggins III boolean requestPremul); 185436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean nativeHasMipMap(long nativeBitmap); 185536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeSetHasMipMap(long nativeBitmap, boolean hasMipMap); 185636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean nativeSameAs(long nativeBitmap0, long nativeBitmap1); 18574387190d8ec9fe4e953fcfeb093a644b82cf85edJohn Reck private static native void nativePrepareToDraw(long nativeBitmap); 18584508218850faedea95371188da587b6734f5f3dasergeyv private static native int nativeGetAllocationByteCount(long nativeBitmap); 185981f97ee47ccf0d011cdc4f38b6ea5c45b70dedc0sergeyv private static native Bitmap nativeCopyPreserveInternalConfig(long nativeBitmap); 18600a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv private static native Bitmap nativeCreateHardwareBitmap(GraphicBuffer buffer); 18616e3658a63843096058ed444d073fbcd191fd7e1bsergeyv private static native GraphicBuffer nativeCreateGraphicBufferHandle(long nativeBitmap); 1862efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy private static native boolean nativeGetColorSpace(long nativePtr, float[] xyz, float[] params); 1863efb4b06493fe7b1604c762a448b13c7af2845a8dRomain Guy private static native boolean nativeIsSRGB(long nativePtr); 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1865