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.Paint;

import android.graphics.Xfermode;
import android.graphics.Bitmap.Config;

public class Main {

    public static Bitmap transferMode(Bitmap src, Bitmap mask, Xfermode xfermode) {
        final int width = mask.getWidth();
        final int height = mask.getHeight();
        final Bitmap dst = Bitmap.createBitmap(width, height, Config.ARGB_8888);
        final Canvas canvas = new Canvas(dst);
        final Paint paint = new Paint();
        paint.setAntiAlias(true);

        final int srcWidth = src.getWidth();
        final int srcHeight = src.getHeight();

        canvas.save();

        // Scale down the image first if required.
        if ((width < srcWidth) || (height < srcHeight)) {
            float radioX = (float) width / srcWidth;
            float radioY = (float) height / srcHeight;
            float radio = 1f;
            float dx = 0f;
            float dy = 0f;

            if (radioX > radioY) {
                radio = radioX;
                dy = (height / radioX - srcHeight) / 2.0f;
            } else {
                radio = radioY;
                dx = (width / radioX - srcWidth) / 2.0f;
            }

            canvas.scale(radio, radio);
            canvas.translate(dx, dy);
        }
        canvas.drawBitmap(src, 0, 0, paint);
        canvas.restore();

        if (xfermode != null) {
            paint.setXfermode(xfermode);
            canvas.drawBitmap(mask, 0, 0, paint);
        }

        return dst;
    }
}