blend Middle Bitmap Image - Android Graphics

Android examples for Graphics:Bitmap Combine

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Description

blend Middle Bitmap Image

Demo Code


//package com.java2s;

import java.util.ArrayList;
import android.graphics.Bitmap;

import android.graphics.Canvas;

import android.graphics.Paint;

import android.graphics.Xfermode;

public class Main {
    public static Bitmap blendMiddle(Bitmap src, Bitmap dst, int width,
            int height, Xfermode mode) {
        ArrayList<Bitmap> bitmaps = new ArrayList<Bitmap>();
        bitmaps.add(src);/* w w w. j av  a 2s.  c o  m*/
        bitmaps.add(dst);
        return blendMiddle(bitmaps, width, height, mode);
    }

    public static Bitmap blendMiddle(ArrayList<Bitmap> bitmaps, int width,
            int height, Xfermode mode) {
        Bitmap blendedBitmap = Bitmap.createBitmap(width, height,
                Bitmap.Config.ARGB_8888);
        Canvas myCanvas = new Canvas(blendedBitmap);
        Paint paint = new Paint();
        paint.setXfermode(mode);
        final int length = bitmaps.size();
        for (int i = 0; i < length; i++) {
            Bitmap bm = bitmaps.get(i);
            float left = ((float) (width - bm.getWidth())) / 2;
            float top = ((float) (height - bm.getHeight())) / 2;
            myCanvas.drawBitmap(bm, left, top, paint);
        }
        return blendedBitmap;
    }
}

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