Android/frameworks_base
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Merge "ImageDecoder: Use AssetFileDescriptor's length"

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This commit is contained in:
Leon Scroggins
2020-09-16 13:44:28 +00:00
committed by Gerrit Code Review
parent 630c5dd1c7 d172a0cff8
commit efca2d56f1
2 changed files with 13 additions and 6 deletions
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6
graphics/java/android/graphics/ImageDecoder.java
View File

@@ -308,7 +308,7 @@ public final class ImageDecoder implements AutoCloseable {
ImageDecoder decoder = null;
try {
decoder = nCreate(fd, preferAnimation, source);
decoder = nCreate(fd, AssetFileDescriptor.UNKNOWN_LENGTH, preferAnimation, source);
} finally {
if (decoder == null) {
IoUtils.closeQuietly(stream);
@@ -356,7 +356,7 @@ public final class ImageDecoder implements AutoCloseable {
try {
try {
Os.lseek(fd, offset, SEEK_SET);
decoder = nCreate(fd, preferAnimation, source);
decoder = nCreate(fd, assetFd.getDeclaredLength(), preferAnimation, source);
} catch (ErrnoException e) {
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,
boolean preferAnimation, Source src) throws IOException;
// 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;
@NonNull
private static native Bitmap nDecodeBitmap(long nativePtr,

13
libs/hwui/jni/ImageDecoder.cpp
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*/,
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
return throw_exception(env, kSourceException, "Only supported on Android", nullptr, source);
#else
@@ -172,7 +172,14 @@ static jobject ImageDecoder_nCreateFd(JNIEnv* env, jobject /*clazz*/,
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);
#endif
}
@@ -494,7 +501,7 @@ static const JNINativeMethod gImageDecoderMethods[] = {
{ "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", "(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;",
(void*) ImageDecoder_nDecodeBitmap },
{ "nGetSampledSize","(JI)Landroid/util/Size;", (void*) ImageDecoder_nGetSampledSize },