Merge "ImageDecoder: Use AssetFileDescriptor's length" am: efca2d56f1 am: 3a62413c4f

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1426968

Change-Id: I85afba6ce0d53370031c089f30e2af69df02f8c9
This commit is contained in:
Leon Scroggins
2020-09-16 17:01:31 +00:00
committed by Automerger Merge Worker
2 changed files with 13 additions and 6 deletions

View File

@@ -308,7 +308,7 @@ public final class ImageDecoder implements AutoCloseable {
ImageDecoder decoder = null; ImageDecoder decoder = null;
try { try {
decoder = nCreate(fd, preferAnimation, source); decoder = nCreate(fd, AssetFileDescriptor.UNKNOWN_LENGTH, preferAnimation, source);
} finally { } finally {
if (decoder == null) { if (decoder == null) {
IoUtils.closeQuietly(stream); IoUtils.closeQuietly(stream);
@@ -356,7 +356,7 @@ public final class ImageDecoder implements AutoCloseable {
try { try {
try { try {
Os.lseek(fd, offset, SEEK_SET); Os.lseek(fd, offset, SEEK_SET);
decoder = nCreate(fd, preferAnimation, source); decoder = nCreate(fd, assetFd.getDeclaredLength(), preferAnimation, source);
} catch (ErrnoException e) { } catch (ErrnoException e) {
decoder = createFromStream(new FileInputStream(fd), true, preferAnimation, source); decoder = createFromStream(new FileInputStream(fd), true, preferAnimation, source);
} }
@@ -1995,7 +1995,7 @@ public final class ImageDecoder implements AutoCloseable {
private static native ImageDecoder nCreate(InputStream is, byte[] storage, private static native ImageDecoder nCreate(InputStream is, byte[] storage,
boolean preferAnimation, Source src) throws IOException; boolean preferAnimation, Source src) throws IOException;
// The fd must be seekable. // The fd must be seekable.
private static native ImageDecoder nCreate(FileDescriptor fd, private static native ImageDecoder nCreate(FileDescriptor fd, long length,
boolean preferAnimation, Source src) throws IOException; boolean preferAnimation, Source src) throws IOException;
@NonNull @NonNull
private static native Bitmap nDecodeBitmap(long nativePtr, private static native Bitmap nDecodeBitmap(long nativePtr,

View File

@@ -152,7 +152,7 @@ static jobject native_create(JNIEnv* env, std::unique_ptr<SkStream> stream,
} }
static jobject ImageDecoder_nCreateFd(JNIEnv* env, jobject /*clazz*/, static jobject ImageDecoder_nCreateFd(JNIEnv* env, jobject /*clazz*/,
jobject fileDescriptor, jboolean preferAnimation, jobject source) { jobject fileDescriptor, jlong length, jboolean preferAnimation, jobject source) {
#ifndef __ANDROID__ // LayoutLib for Windows does not support F_DUPFD_CLOEXEC #ifndef __ANDROID__ // LayoutLib for Windows does not support F_DUPFD_CLOEXEC
return throw_exception(env, kSourceException, "Only supported on Android", nullptr, source); return throw_exception(env, kSourceException, "Only supported on Android", nullptr, source);
#else #else
@@ -172,7 +172,14 @@ static jobject ImageDecoder_nCreateFd(JNIEnv* env, jobject /*clazz*/,
nullptr, source); nullptr, source);
} }
std::unique_ptr<SkFILEStream> fileStream(new SkFILEStream(file)); std::unique_ptr<SkFILEStream> fileStream;
if (length == -1) {
// -1 corresponds to AssetFileDescriptor.UNKNOWN_LENGTH. Pass no length
// so SkFILEStream will figure out the size of the file on its own.
fileStream.reset(new SkFILEStream(file));
} else {
fileStream.reset(new SkFILEStream(file, length));
}
return native_create(env, std::move(fileStream), source, preferAnimation); return native_create(env, std::move(fileStream), source, preferAnimation);
#endif #endif
} }
@@ -494,7 +501,7 @@ static const JNINativeMethod gImageDecoderMethods[] = {
{ "nCreate", "(Ljava/nio/ByteBuffer;IIZLandroid/graphics/ImageDecoder$Source;)Landroid/graphics/ImageDecoder;", (void*) ImageDecoder_nCreateByteBuffer }, { "nCreate", "(Ljava/nio/ByteBuffer;IIZLandroid/graphics/ImageDecoder$Source;)Landroid/graphics/ImageDecoder;", (void*) ImageDecoder_nCreateByteBuffer },
{ "nCreate", "([BIIZLandroid/graphics/ImageDecoder$Source;)Landroid/graphics/ImageDecoder;", (void*) ImageDecoder_nCreateByteArray }, { "nCreate", "([BIIZLandroid/graphics/ImageDecoder$Source;)Landroid/graphics/ImageDecoder;", (void*) ImageDecoder_nCreateByteArray },
{ "nCreate", "(Ljava/io/InputStream;[BZLandroid/graphics/ImageDecoder$Source;)Landroid/graphics/ImageDecoder;", (void*) ImageDecoder_nCreateInputStream }, { "nCreate", "(Ljava/io/InputStream;[BZLandroid/graphics/ImageDecoder$Source;)Landroid/graphics/ImageDecoder;", (void*) ImageDecoder_nCreateInputStream },
{ "nCreate", "(Ljava/io/FileDescriptor;ZLandroid/graphics/ImageDecoder$Source;)Landroid/graphics/ImageDecoder;", (void*) ImageDecoder_nCreateFd }, { "nCreate", "(Ljava/io/FileDescriptor;JZLandroid/graphics/ImageDecoder$Source;)Landroid/graphics/ImageDecoder;", (void*) ImageDecoder_nCreateFd },
{ "nDecodeBitmap", "(JLandroid/graphics/ImageDecoder;ZIILandroid/graphics/Rect;ZIZZZJZ)Landroid/graphics/Bitmap;", { "nDecodeBitmap", "(JLandroid/graphics/ImageDecoder;ZIILandroid/graphics/Rect;ZIZZZJZ)Landroid/graphics/Bitmap;",
(void*) ImageDecoder_nDecodeBitmap }, (void*) ImageDecoder_nDecodeBitmap },
{ "nGetSampledSize","(JI)Landroid/util/Size;", (void*) ImageDecoder_nGetSampledSize }, { "nGetSampledSize","(JI)Landroid/util/Size;", (void*) ImageDecoder_nGetSampledSize },