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Improved BitmapWorkerTask to rotate and scale an image in one operation

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This commit is contained in:
Sylvain Berfini 2018-11-28 11:34:45 +01:00
parent d2198518cc
commit 78c085e630
1 changed files with 14 additions and 7 deletions
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21
app/src/main/java/org/linphone/views/BitmapWorkerTask.java
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@ -86,16 +86,23 @@ public class BitmapWorkerTask extends AsyncTask<String, Void, Bitmap> {
// Rotate the bitmap if possible/needed, using EXIF data
Matrix matrix = new Matrix();
ExifInterface exif = new ExifInterface(path);
int width = bm.getWidth();
int height = bm.getHeight();
int pictureOrientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, 0);
if (pictureOrientation == 6 || pictureOrientation == 3 || pictureOrientation == 8) {
if (pictureOrientation == 6) {
matrix.postRotate(90);
} else if (pictureOrientation == 3) {
matrix.postRotate(180);
} else {
matrix.postRotate(270);
if (imageView != null) {
float factor = (float) imageView.getMeasuredHeight() / height;
matrix.postScale(factor, factor);
}
thumbnail = Bitmap.createBitmap(bm, 0, 0, bm.getWidth(), bm.getHeight(), matrix, true);
if (pictureOrientation == 6) {
matrix.preRotate(90);
} else if (pictureOrientation == 3) {
matrix.preRotate(180);
} else {
matrix.preRotate(270);
}
thumbnail = Bitmap.createBitmap(bm, 0, 0, width, height, matrix, true);
if (thumbnail != bm) {
bm.recycle();
bm = null;