Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.BitmapFactory;

import android.graphics.Matrix;

import android.hardware.Camera;

import java.io.File;

public class Main {
    public static Bitmap bitmapResult = null;
    public static File destinationFile = null;

    public static Bitmap makeSquare(File file, int cameraID) {
        int width;
        int height;
        Matrix matrix = new Matrix();
        Camera.CameraInfo info = new Camera.CameraInfo();
        Camera.getCameraInfo(cameraID, info);
        // Convert ByteArray to Bitmap

        Bitmap bitPic = decodeSampledBitmapFromFile(destinationFile.getAbsolutePath(), 800, 800);//BitmapFactory.decodeByteArray(data, 0, data.length);
        width = bitPic.getWidth();
        height = bitPic.getHeight();

        // Perform matrix rotations/mirrors depending on camera that took the photo
        if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
            float[] mirrorY = { -1, 0, 0, 0, 1, 0, 0, 0, 1 };
            Matrix matrixMirrorY = new Matrix();
            matrixMirrorY.setValues(mirrorY);

            matrix.postConcat(matrixMirrorY);
        }

        matrix.postRotate(90);

        // Create new Bitmap out of the old one
        Bitmap bitPicFinal = Bitmap.createBitmap(bitPic, 0, 0, width, height, matrix, true);
        bitPic.recycle();
        int desWidth;
        int desHeight;
        desWidth = bitPicFinal.getWidth();
        desHeight = desWidth;
        Bitmap croppedBitmap = Bitmap.createBitmap(bitPicFinal, 0,
                bitPicFinal.getHeight() / 2 - bitPicFinal.getWidth() / 2, desWidth, desHeight);
        croppedBitmap = Bitmap.createScaledBitmap(croppedBitmap, 528, 528, true);
        return croppedBitmap;
    }

    public static Bitmap decodeSampledBitmapFromFile(String path, int reqWidth, int reqHeight) { // BEST QUALITY MATCH
        //First decode with inJustDecodeBounds=true to check dimensions
        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeFile(path, options);

        // Calculate inSampleSize, Raw height and width of image
        final int height = options.outHeight;
        final int width = options.outWidth;
        options.inPreferredConfig = Config.RGB_565;
        int inSampleSize = 1;
        if (height > reqHeight) {
            inSampleSize = Math.round((float) height / (float) reqHeight);
        }
        int expectedWidth = width / inSampleSize;
        if (expectedWidth > reqWidth) {
            //if(Math.round((float)width / (float)reqWidth) > inSampleSize) // If bigger SampSize..
            inSampleSize = Math.round((float) width / (float) reqWidth);
        }
        options.inSampleSize = inSampleSize;
        // Decode bitmap with inSampleSize set
        options.inJustDecodeBounds = false;
        return bitmapResult = BitmapFactory.decodeFile(path, options);
    }
}