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Fix image orientation for certain (Samsung) devices. #52

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Merged
merged 1 commit into from
Aug 25, 2017
Merged

Fix image orientation for certain (Samsung) devices. #52

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30 changes: 29 additions & 1 deletion src/nativescript-camera.android.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,17 @@ export var takePicture = function (options?): Promise<any> {
trace.write(`An error occurred while scanning file ${picturePath}: ${ex.message}!`, trace.categories.Debug);
}
}
};
}

let exif = new android.media.ExifInterface(picturePath);
let orientation = exif.getAttributeInt(android.media.ExifInterface.TAG_ORIENTATION, android.media.ExifInterface.ORIENTATION_NORMAL);
if (orientation === android.media.ExifInterface.ORIENTATION_ROTATE_90) {
rotateBitmap(picturePath, 90);
} else if (orientation === android.media.ExifInterface.ORIENTATION_ROTATE_180) {
rotateBitmap(picturePath, 180);
} else if (orientation === android.media.ExifInterface.ORIENTATION_ROTATE_270) {
rotateBitmap(picturePath, 270);
}

let asset = new imageAssetModule.ImageAsset(picturePath);
asset.options = {
Expand Down Expand Up @@ -133,4 +143,22 @@ var createDateTimeStamp = function () {
date.getMinutes().toString() +
date.getSeconds().toString();
return result;
}

var rotateBitmap = function (picturePath, angle) {
try {
let matrix = new android.graphics.Matrix();
matrix.postRotate(angle);
let bmOptions = new android.graphics.BitmapFactory.Options();
let oldBitmap = android.graphics.BitmapFactory.decodeFile(picturePath, bmOptions);
let finalBitmap = android.graphics.Bitmap.createBitmap(oldBitmap, 0, 0, oldBitmap.getWidth(), oldBitmap.getHeight(), matrix, true);
let out = new java.io.FileOutputStream(picturePath);
finalBitmap.compress(android.graphics.Bitmap.CompressFormat.JPEG, 100, out);
out.flush();
out.close();
} catch (ex) {
if (trace.isEnabled()) {
trace.write(`An error occurred while rotating file ${picturePath} (using the original one): ${ex.message}!`, trace.categories.Debug);
}
}
}