使用Android进行像素变换

Question

有没有一种方法可以通过程序代码在Android中进行像素转换，就像你在下面的图片中看到的那样？源应该是原始图片，结果应该是转换后的图片。如果有人能把它的代码发给我就太好了。

我不知道Android是否可行，也不知道我该如何编程。

谢谢你的帮忙

向汤姆致以最良好的问候

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原始图片

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像素变换后的图片

Answer 1

我找到了一个解决方案...

package com.devcom_networks.graphicslibrary;


import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.Paint;

public class Pixelize {
Bitmap originalBmp;
Bitmap obscuredBmp;
Canvas obscuredCanvas ;
Paint obscuredPaint;
private final static int PIXEL_BLOCK = 120;

  public Bitmap createPixelizedBitmap(Bitmap bitmap, int pixelsize) 
    {

        if (bitmap == null)
            return null;

        // Create the bitmap that we'll output from this method
        obscuredBmp = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),bitmap.getConfig());

        // Create the canvas to draw on
        obscuredCanvas = new Canvas(obscuredBmp); 
        // Create the paint used to draw with
        obscuredPaint = new Paint();   
        // Create a default matrix
        Matrix obscuredMatrix = new Matrix();       
        // Draw the scaled image on the new bitmap
        obscuredCanvas.drawBitmap(bitmap, obscuredMatrix, obscuredPaint);


        pixelizeImage(obscuredBmp, obscuredCanvas, pixelsize);

        return obscuredBmp;
    }
private Bitmap pixelizeImage(Bitmap bitmap, Canvas canvas, int pixelSize) 
{

    originalBmp = bitmap;

    if (pixelSize == 0)
        pixelSize = (int)(bitmap.getWidth())/PIXEL_BLOCK;

    if (pixelSize <= 0) //1 is the smallest it can be
        pixelSize = 1;

    int px, py;

    for (int x = 0; x < originalBmp.getWidth() - 1; x+=pixelSize) {
        for (int y = 0; y < originalBmp.getHeight() - 1; y+=pixelSize) {


            px = (x/pixelSize)*pixelSize;
            py = (y/pixelSize)*pixelSize;

            try
            { 
                int pixels[] = new int[pixelSize*pixelSize];
                int newPixel = originalBmp.getPixel(px, py);
                for (int i = 0; i < pixels.length; i++)
                    pixels[i] = newPixel;

                originalBmp.setPixels(pixels, 0, pixelSize, px, py, pixelSize, pixelSize);
            }
            catch (IllegalArgumentException iae)
            {
                //something is wrong with our pixel math
                break; //stop the filter
            }
        }
    }
    return originalBmp;
}   

}