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Diffstat (limited to '')
-rw-r--r-- | src/main/java/de/pixart/messenger/persistance/FileBackend.java | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/main/java/de/pixart/messenger/persistance/FileBackend.java b/src/main/java/de/pixart/messenger/persistance/FileBackend.java index bb8717551..d1e18f313 100644 --- a/src/main/java/de/pixart/messenger/persistance/FileBackend.java +++ b/src/main/java/de/pixart/messenger/persistance/FileBackend.java @@ -10,6 +10,7 @@ import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Matrix; import android.graphics.RectF; +import android.media.ExifInterface; import android.media.MediaMetadataRetriever; import android.net.Uri; import android.os.Build; @@ -899,4 +900,50 @@ public class FileBackend { return true; } } + + public static Bitmap rotateBitmap(File file, Bitmap bitmap, int orientation) { + + if (orientation == 1) { + return bitmap; + } + + Matrix matrix = new Matrix(); + switch (orientation) { + case 2: + matrix.setScale(-1, 1); + break; + case 3: + matrix.setRotate(180); + break; + case 4: + matrix.setRotate(180); + matrix.postScale(-1, 1); + break; + case 5: + matrix.setRotate(90); + matrix.postScale(-1, 1); + break; + case 6: + matrix.setRotate(90); + break; + case 7: + matrix.setRotate(-90); + matrix.postScale(-1, 1); + break; + case 8: + matrix.setRotate(-90); + break; + default: + return bitmap; + } + + try { + Bitmap oriented = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true); + bitmap.recycle(); + return oriented; + } catch (OutOfMemoryError e) { + e.printStackTrace(); + return bitmap; + } + } } |