Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.graphics.Bitmap;

import android.os.Build;

public class Main {
    public static int[] getPixelsFromBitmap(Bitmap bm, int x, int y, int width, int height) {
        int[] pixels = new int[width * height];

        int tSize = byteSizeOf(bm);
        int size = width * height;
        int tWidth = bm.getWidth();
        int tHeight = bm.getHeight();
        int a = x;
        int b = y;
        int j = 0;
        for (int i = a + b * tWidth; i < size; i++) {
            if (a == x + width) {
                a = x;
                b++;
            }
            pixels[j++] = bm.getPixel(a, b);
            a++;
        }

        return pixels;
    }

    /**
     * returns the bytesize of the give bitmap
     */
    public static int byteSizeOf(Bitmap bitmap) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            return bitmap.getAllocationByteCount();
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {
            return bitmap.getByteCount();
        } else {
            return bitmap.getRowBytes() * bitmap.getHeight();
        }
    }
}