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Diffstat (limited to 'photoviewer/src/com/android/ex/photo/util/ImageUtils.java')
-rw-r--r--photoviewer/src/com/android/ex/photo/util/ImageUtils.java54
1 files changed, 51 insertions, 3 deletions
diff --git a/photoviewer/src/com/android/ex/photo/util/ImageUtils.java b/photoviewer/src/com/android/ex/photo/util/ImageUtils.java
index a9790eb..a932c8b 100644
--- a/photoviewer/src/com/android/ex/photo/util/ImageUtils.java
+++ b/photoviewer/src/com/android/ex/photo/util/ImageUtils.java
@@ -20,20 +20,26 @@ package com.android.ex.photo.util;
import android.content.ContentResolver;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
+import android.graphics.Matrix;
import android.graphics.Point;
import android.graphics.Rect;
import android.net.Uri;
import android.os.Build;
+import android.util.DisplayMetrics;
import android.util.Log;
import com.android.ex.photo.PhotoViewActivity;
+import com.android.ex.photo.util.Exif;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
+
/**
* Image utilities
*/
@@ -93,7 +99,6 @@ public class ImageUtils {
try {
final BitmapFactory.Options opts = new BitmapFactory.Options();
final Point bounds = getImageBounds(resolver, uri);
-
inputStream = openInputStream(resolver, uri);
opts.inSampleSize = Math.max(bounds.x / maxSize, bounds.y / maxSize);
@@ -139,11 +144,55 @@ public class ImageUtils {
* size be returned (in opts.outWidth and opts.outHeight)
*/
public static Bitmap decodeStream(InputStream is, Rect outPadding, BitmapFactory.Options opts) {
+ ByteArrayOutputStream out = null;
+ InputStream byteStream = null;
try {
- return BitmapFactory.decodeStream(is, outPadding, opts);
+ out = new ByteArrayOutputStream();
+ final byte[] buffer = new byte[4096];
+ int n = is.read(buffer);
+ while (n >= 0) {
+ out.write(buffer, 0, n);
+ n = is.read(buffer);
+ }
+
+ final byte[] bitmapBytes = out.toByteArray();
+
+ // Determine the orientation for this image
+ final int orientation = Exif.getOrientation(bitmapBytes);
+
+ // Create an InputStream from this byte array
+ byteStream = new ByteArrayInputStream(bitmapBytes);
+
+ final Bitmap originalBitmap = BitmapFactory.decodeStream(byteStream, outPadding, opts);
+
+ if (originalBitmap != null && orientation != 0) {
+ final Matrix matrix = new Matrix();
+ matrix.postRotate(orientation);
+ return Bitmap.createBitmap(originalBitmap, 0, 0, originalBitmap.getWidth(),
+ originalBitmap.getHeight(), matrix, true);
+ }
+ return originalBitmap;
} catch (OutOfMemoryError oome) {
Log.e(TAG, "ImageUtils#decodeStream(InputStream, Rect, Options) threw an OOME", oome);
return null;
+ } catch (IOException ioe) {
+ Log.e(TAG, "ImageUtils#decodeStream(InputStream, Rect, Options) threw an IOE", ioe);
+ return null;
+ } finally {
+ if (out != null) {
+ try {
+ out.close();
+ } catch (IOException e) {
+ // Do nothing
+ }
+ }
+ if (byteStream != null) {
+ try {
+ byteStream.close();
+ } catch (IOException e) {
+ // Do nothing
+ }
+ }
}
}
@@ -194,4 +243,3 @@ public class ImageUtils {
return resolver.openInputStream(uri);
}
}
-