Java tutorial
//package com.java2s; /* * Copyright (C) 2011 The original author or authors. * * 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.Bitmap.Config; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.PorterDuff.Mode; import android.graphics.PorterDuffXfermode; import android.graphics.Rect; import android.graphics.RectF; public class Main { /** Return a bitmap identical to src with rounded corners. */ public static final Bitmap roundCornersRGB888(Bitmap src, int roundPixles) { final Bitmap output = Bitmap.createBitmap(src.getWidth(), src.getHeight(), Config.ARGB_8888); Canvas canvas = new Canvas(output); // TODO: document what is special about this color final int color = 0xff424242; final Paint paint = new Paint(); final Rect rect = new Rect(0, 0, src.getWidth(), src.getHeight()); final RectF rectF = new RectF(rect); paint.setAntiAlias(true); canvas.drawARGB(0, 0, 0, 0); paint.setColor(color); canvas.drawRoundRect(rectF, roundPixles, roundPixles, paint); paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN)); canvas.drawBitmap(src, 0, 0, paint); return output; } }