165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/* 265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Copyright (C) 2011 The Android Open Source Project 365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Licensed under the Apache License, Version 2.0 (the "License"); 565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * you may not use this file except in compliance with the License. 665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * You may obtain a copy of the License at 765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * http://www.apache.org/licenses/LICENSE-2.0 965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 1065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Unless required by applicable law or agreed to in writing, software 1165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * distributed under the License is distributed on an "AS IS" BASIS, 1265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * See the License for the specific language governing permissions and 1465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * limitations under the License. 1565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 1665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpackage android.filterfw.geometry; 1965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.geometry.Point; 2165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport java.lang.Float; 2365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport java.util.Arrays; 2465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport java.util.Collections; 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport java.util.List; 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/** 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * @hide 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic class Quad { 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public Point p0; 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public Point p1; 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public Point p2; 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public Point p3; 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public Quad() { 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public Quad(Point p0, Point p1, Point p2, Point p3) { 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn this.p0 = p0; 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn this.p1 = p1; 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn this.p2 = p2; 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn this.p3 = p3; 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public boolean IsInUnitRange() { 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return p0.IsInUnitRange() && 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn p1.IsInUnitRange() && 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn p2.IsInUnitRange() && 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn p3.IsInUnitRange(); 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public Quad translated(Point t) { 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return new Quad(p0.plus(t), p1.plus(t), p2.plus(t), p3.plus(t)); 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public Quad translated(float x, float y) { 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return new Quad(p0.plus(x, y), p1.plus(x, y), p2.plus(x, y), p3.plus(x, y)); 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public Quad scaled(float s) { 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return new Quad(p0.times(s), p1.times(s), p2.times(s), p3.times(s)); 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public Quad scaled(float x, float y) { 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return new Quad(p0.mult(x, y), p1.mult(x, y), p2.mult(x, y), p3.mult(x, y)); 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public Rectangle boundingBox() { 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn List<Float> xs = Arrays.asList(p0.x, p1.x, p2.x, p3.x); 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn List<Float> ys = Arrays.asList(p0.y, p1.y, p2.y, p3.y); 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float x0 = Collections.min(xs); 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float y0 = Collections.min(ys); 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float x1 = Collections.max(xs); 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float y1 = Collections.max(ys); 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return new Rectangle(x0, y0, x1 - x0, y1 - y0); 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public float getBoundingWidth() { 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn List<Float> xs = Arrays.asList(p0.x, p1.x, p2.x, p3.x); 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return Collections.max(xs) - Collections.min(xs); 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public float getBoundingHeight() { 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn List<Float> ys = Arrays.asList(p0.y, p1.y, p2.y, p3.y); 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return Collections.max(ys) - Collections.min(ys); 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public String toString() { 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return "{" + p0 + ", " + p1 + ", " + p2 + ", " + p3 + "}"; 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 95