Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *   Copyright (C)  2016 android@19code.com
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

import android.graphics.Bitmap;

import android.graphics.BitmapShader;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.Shader;

public class Main {

    public static Bitmap createCircularClip(Bitmap input, int width, int height) {
        if (input == null)
            return null;

        final int inWidth = input.getWidth();
        final int inHeight = input.getHeight();
        final Bitmap output = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        final Canvas canvas = new Canvas(output);
        final Paint paint = new Paint();
        paint.setShader(new BitmapShader(input, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
        paint.setAntiAlias(true);
        final RectF srcRect = new RectF(0, 0, inWidth, inHeight);
        final RectF dstRect = new RectF(0, 0, width, height);
        final Matrix m = new Matrix();
        m.setRectToRect(srcRect, dstRect, Matrix.ScaleToFit.CENTER);
        canvas.setMatrix(m);
        canvas.drawCircle(inWidth / 2, inHeight / 2, inWidth / 2, paint);
        return output;
    }
}