Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;

import android.graphics.Paint;
import android.graphics.Path;

import android.graphics.Rect;

public class Main {
    public static Bitmap getCircleBitmap(Context context, Bitmap src, float radius) {
        radius = dipTopx(context, radius);
        int w = src.getWidth();
        int h = src.getHeight();
        int canvasW = Math.round(radius * 2);
        Bitmap bitmap = Bitmap.createBitmap(canvasW, canvasW, Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(bitmap);

        Path path = new Path();
        path.addCircle(radius, radius, radius, Path.Direction.CW);
        canvas.clipPath(path);

        Paint paint = new Paint();
        paint.setAntiAlias(true);

        Rect srcRect = new Rect(0, 0, w, h);
        Rect dstRect = new Rect(0, 0, canvasW, canvasW);

        canvas.drawBitmap(src, srcRect, dstRect, paint);

        return bitmap;
    }

    public static float dipTopx(Context context, float dpValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (dpValue * scale + 0.5f);
    }
}