Logo Questions Linux Laravel Mysql Ubuntu Git Menu
 

Image is not auto adjusting

In android, when we open a screenshot from gallery. It comes blurred for 2 secs and then auto adjusts itself.

But when I am using this screenshot image to set on a imageview using image path as :,

Image Path is: /mnt/sdcard/ScreenCapture/SC20130219-124221.png

private void showImage(String imgPath) {
        // TODO Auto-generated method stub

        System.out.println("Image Path is:  "+imgPath);

        ImageView openImage=(ImageView)findViewById(R.id.img_fullScreen);
        ExifInterface exifMedia = null;
        try {
            exifMedia = new ExifInterface(imgPath);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        String exifOrint = exifMedia.getAttribute(ExifInterface.TAG_ORIENTATION);
        int exifOrientation = Integer.parseInt(exifOrint);
        System.out.println("Orientation Tag is:"+exifOrientation);
        BitmapFactory.Options mOptions=new BitmapFactory.Options();
        mOptions.inSampleSize=2;
        Bitmap imgBitmap = BitmapFactory.decodeFile(imgPath,mOptions);
        //Runtime.getRuntime().gc();

        imgBitmap = getResizedBitmapImage(imgBitmap, 200, 200, exifOrientation);
        openImage.setImageBitmap(imgBitmap);
    }

Another case: While getting the Bitmap from the URL as :

URL url = new URL(urlTarget);
            BitmapFactory.Options mOptions = new BitmapFactory.Options();
            mOptions.inSampleSize=1;
            Bitmap bmp = BitmapFactory.decodeStream(url
                    .openConnection().getInputStream(),null,mOptions);

Then the image is not auto adjusted itself. It comes BLURRED. THIS IS MY PROBLEM.

IT IS IN THE CASE OF SCREENSHOT ONLY.

tHANKS

like image 823
Gaurav Arora Avatar asked Nov 12 '22 11:11

Gaurav Arora


1 Answers

mOptions.inSampleSize=2; This is going to skip alternate pixel data and load an image 1/2 the original size. Of-course it will look blurred and highly aliased, because this is no where near a good image scaling algorithm.

As far as Gallery app is concerned, it loads progressively, it shows a thumbnail, or a quick render, while full resolution image is being loaded into memory.

like image 113
S.D. Avatar answered Nov 15 '22 12:11

S.D.