Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import android.graphics.Bitmap;
import android.graphics.Canvas;

import android.graphics.LinearGradient;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;

import android.graphics.Shader;

public class Main {
    public static Bitmap applyReflection(Bitmap originalImage) {
        final int reflectionGap = 4;
        int width = originalImage.getWidth();
        int height = originalImage.getHeight();

        Matrix matrix = new Matrix();
        matrix.preScale(1, -1);

        Bitmap reflectionImage = Bitmap.createBitmap(originalImage, 0, height / 2, width, height / 2, matrix,
                false);

        Bitmap bitmapWithReflection = Bitmap.createBitmap(width, (height + height / 2), Bitmap.Config.ARGB_8888);

        Canvas canvas = new Canvas(bitmapWithReflection);
        canvas.drawBitmap(originalImage, 0, 0, null);
        Paint defaultPaint = new Paint();
        canvas.drawRect(0, height, width, height + reflectionGap, defaultPaint);
        canvas.drawBitmap(reflectionImage, 0, height + reflectionGap, null);

        Paint paint = new Paint();
        LinearGradient shader = new LinearGradient(0, originalImage.getHeight(), 0,
                bitmapWithReflection.getHeight() + reflectionGap, 0x70ffffff, 0x00ffffff, Shader.TileMode.CLAMP);
        paint.setShader(shader);
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));
        canvas.drawRect(0, height, width, bitmapWithReflection.getHeight() + reflectionGap, paint);

        return bitmapWithReflection;
    }
}