Crop a bitmap to particular width and height without losing resolution

Question

I need to crop an image from gallery and save to the server. This is my code for cropping image

   private void startCropImage() {

    Intent intent = new Intent("com.android.camera.action.CROP");
    intent.setDataAndType(mImageCaptureUri, "image/*");

    intent.putExtra("crop", "true");
    intent.putExtra("aspectX", 1);
    intent.putExtra("aspectY", 1);
        //indicate output X and Y
    intent.putExtra("outputX", 400);
    intent.putExtra("outputY", 487);

    intent.putExtra("return-data", true);
    intent.putExtra("scale", true);
    startActivityForResult(intent, CROP_FROM_GALLERY);
}

I need the output in 400*487,but after cropping the image when i check the width it's only 160 on device, but on AVD it shows the correct width. why does it happen? The following is my onActivityResult code

protected void onActivityResult(int requestCode, int resultCode, Intent data) {
Bundle extras2 = data.getExtras();
if (extras2 != null) {

Bitmap bm2 = extras2.getParcelable("data");

imgview.setImageBitmap(bm2);

int width = bm2.getWidth();}

score 0 · Answer 1 · edited May 23 '17 at 10:25

0

Check this line:

Bitmap bm2 = extras2.getParcelable("data");

Intents can only transfer limited ammount of data. Depending upon the version or device it might range from 200kb to 1 mb. So this line is returning a thumbnail of cropped image. To get full image do the following. Remember you cannot get the exact width you want.

Uri selectedImage = data.getData();
        String[] filePath = {MediaStore.Images.Media.DATA};
        Cursor cursor = getContentResolver().query(
                           selectedImage, filePath, null, null, null);
        cursor.moveToFirst();
        int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
        String filePath = cursor.getString(columnIndex);
        cursor.close();
        Bitmap bmp= BitmapFactory.decodeFile(filePath);

You need the actual path in the filesystem of the cropped image. UPDATE com.android.camera.action.CROP is not official android intent. Apps like gallery and camera support it but there are many devices where this intent is not supported. Have a look at this blog post by @commonsware. I have answered cropping image using a library in this SO post.

edited May 23 '17 at 10:25

Community

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answered Jun 18 '14 at 10:42

Illegal Argument

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Then what will i do to get the exact image – Deepu T Jun 18 '14 at 10:43
is there any way to crop image without using intent? – Deepu T Jun 18 '14 at 11:25
I got the exact width on AVD, but on phone i dont – Deepu T Jun 18 '14 at 12:22
when you are cropping a image you specify the aspect ratio not the physical pixels that you want. You need to do further processing to get the exact width and height you want after cropping – Illegal Argument Jun 18 '14 at 14:10
Let us [continue this discussion in chat](http://chat.stackoverflow.com/rooms/55900/discussion-between-deepu-t-and-illegal-argument). – Deepu T Jun 19 '14 at 10:32

score 0 · Answer 2 · answered Jun 18 '14 at 10:48

0

i don't know you might be aware of this Library its my suggestion only i am not giving answer in terms of code , i am giving option

why reinvent the wheel :) (but of course we can improve)

https://github.com/edmodo/cropper

answered Jun 18 '14 at 10:48

MilapTank

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Crop a bitmap to particular width and height without losing resolution

2 Answers2