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Catch out of memory exception when forced to rotate the bitmap, if out of memory, try to load a smaller subsample

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This commit is contained in:
CSullivan102
2014-08-29 00:11:03 -04:00
parent 1ec4242c4f
commit 62f33d4d16
1 changed files with 37 additions and 16 deletions
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src/android/Library/src/MultiImageChooserActivity.java
+37 -16
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@@ -493,6 +493,7 @@ public class MultiImageChooserActivity extends Activity implements OnItemClickLi
while(i.hasNext()) {
Entry<String, Integer> imageInfo = i.next();
File file = new File(imageInfo.getKey());
int rotate = imageInfo.getValue().intValue();
BitmapFactory.Options options = new BitmapFactory.Options();
options.inSampleSize = 1;
options.inJustDecodeBounds = true;
@@ -506,35 +507,28 @@ public class MultiImageChooserActivity extends Activity implements OnItemClickLi
int inSampleSize = calculateInSampleSize(options, finalWidth, finalHeight);
options = new BitmapFactory.Options();
options.inSampleSize = inSampleSize;
bmp = BitmapFactory.decodeFile(file.getAbsolutePath(), options);
if (bmp == null) {
throw new IOException("The image file could not be opened.");
try {
bmp = this.tryToGetBitmap(file, options, rotate, true);
} catch (OutOfMemoryError e) {
options.inSampleSize = calculateNextSampleSize(options.inSampleSize);
bmp = this.tryToGetBitmap(file, options, rotate, false);
}
scale = calculateScale(options.outWidth, options.outHeight);
bmp = this.getResizedBitmap(bmp, scale);
} else {
try {
bmp = BitmapFactory.decodeFile(file.getAbsolutePath());
bmp = this.tryToGetBitmap(file, null, rotate, false);
} catch(OutOfMemoryError e) {
options = new BitmapFactory.Options();
options.inSampleSize = 2;
try {
bmp = BitmapFactory.decodeFile(file.getAbsolutePath(), options);
bmp = this.tryToGetBitmap(file, options, rotate, false);
} catch(OutOfMemoryError e2) {
options = new BitmapFactory.Options();
options.inSampleSize = 4;
bmp = BitmapFactory.decodeFile(file.getAbsolutePath(), options);
bmp = this.tryToGetBitmap(file, options, rotate, false);
}
}
}
int rotate = imageInfo.getValue().intValue();
if (rotate != 0) {
Matrix matrix = new Matrix();
matrix.setRotate(rotate);
bmp = Bitmap.createBitmap(bmp, 0, 0, bmp.getWidth(), bmp.getHeight(), matrix, true);
}
file = this.storeImage(bmp, file.getName());
al.add(Uri.fromFile(file).toString());
}
@@ -573,6 +567,28 @@ public class MultiImageChooserActivity extends Activity implements OnItemClickLi
progress.dismiss();
finish();
}
private Bitmap tryToGetBitmap(File file, BitmapFactory.Options options, int rotate, boolean shouldScale) throws IOException, OutOfMemoryError {
Bitmap bmp;
if (options == null) {
bmp = BitmapFactory.decodeFile(file.getAbsolutePath());
} else {
bmp = BitmapFactory.decodeFile(file.getAbsolutePath(), options);
}
if (bmp == null) {
throw new IOException("The image file could not be opened.");
}
if (options != null && shouldScale) {
float scale = calculateScale(options.outWidth, options.outHeight);
bmp = this.getResizedBitmap(bmp, scale);
}
if (rotate != 0) {
Matrix matrix = new Matrix();
matrix.setRotate(rotate);
bmp = Bitmap.createBitmap(bmp, 0, 0, bmp.getWidth(), bmp.getHeight(), matrix, true);
}
return bmp;
}
/*
* The following functions are originally from
@@ -631,6 +647,11 @@ public class MultiImageChooserActivity extends Activity implements OnItemClickLi
return inSampleSize;
}
private int calculateNextSampleSize(int sampleSize) {
double logBaseTwo = (int)(Math.log(sampleSize) / Math.log(2));
return (int)Math.pow(logBaseTwo + 1, 2);
}
private float calculateScale(int width, int height) {
float widthScale = 1.0f;