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author | Owen Lin <owenlin@google.com> | 2011-01-18 17:39:15 +0800 |
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committer | Owen Lin <owenlin@google.com> | 2011-01-18 18:25:32 +0800 |
commit | a9d0d47076ecf2d1739bb3534abc9deead8ebebd (patch) | |
tree | e1c3290a850d079f59cb07e603acaeddd1d4a5d7 /graphics | |
parent | 92cd4d0296cc8936fcccd97cdbc7a13b724efab4 (diff) | |
download | frameworks_base-a9d0d47076ecf2d1739bb3534abc9deead8ebebd.zip frameworks_base-a9d0d47076ecf2d1739bb3534abc9deead8ebebd.tar.gz frameworks_base-a9d0d47076ecf2d1739bb3534abc9deead8ebebd.tar.bz2 |
Change to stream decoding mode if the file descriptor cannot support seek.
bug: 3298498
Change-Id: Id7ae46bf8e885a417753edbd6648332052fee469
Diffstat (limited to 'graphics')
-rw-r--r-- | graphics/java/android/graphics/BitmapFactory.java | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/graphics/java/android/graphics/BitmapFactory.java b/graphics/java/android/graphics/BitmapFactory.java index 8309f7a..3f76a10 100644 --- a/graphics/java/android/graphics/BitmapFactory.java +++ b/graphics/java/android/graphics/BitmapFactory.java @@ -556,11 +556,22 @@ public class BitmapFactory { * @return the decoded bitmap, or null */ public static Bitmap decodeFileDescriptor(FileDescriptor fd, Rect outPadding, Options opts) { - Bitmap bm = nativeDecodeFileDescriptor(fd, outPadding, opts); - if (bm == null && opts != null && opts.inBitmap != null) { - throw new IllegalArgumentException("Problem decoding into existing bitmap"); + if (nativeIsSeekable(fd)) { + Bitmap bm = nativeDecodeFileDescriptor(fd, outPadding, opts); + if (bm == null && opts != null && opts.inBitmap != null) { + throw new IllegalArgumentException("Problem decoding into existing bitmap"); + } + return finishDecode(bm, outPadding, opts); + } else { + FileInputStream fis = new FileInputStream(fd); + try { + return decodeStream(fis, outPadding, opts); + } finally { + try { + fis.close(); + } catch (Throwable t) {/* ignore */} + } } - return finishDecode(bm, outPadding, opts); } /** @@ -607,4 +618,5 @@ public class BitmapFactory { private static native Bitmap nativeDecodeByteArray(byte[] data, int offset, int length, Options opts); private static native byte[] nativeScaleNinePatch(byte[] chunk, float scale, Rect pad); + private static native boolean nativeIsSeekable(FileDescriptor fd); } |