Java tutorial
//package com.java2s; /* * Copyright (c) 2014. Noveo Group * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * Except as contained in this notice, the name(s) of the above copyright holders * shall not be used in advertising or otherwise to promote the sale, use or * other dealings in this Software without prior written authorization. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.ColorFilter; import android.graphics.Paint; public class Main { public static int filter(final ColorFilter filter, final int color) { final Paint paint = new Paint(); paint.setColor(color); paint.setColorFilter(filter); final Bitmap bitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888); final Canvas canvas = new Canvas(bitmap); canvas.drawPaint(paint); return bitmap.getPixel(0, 0); } }