ParallelogramPipe.java revision 4190
4190N/A * Copyright (c) 2008, 2011 Oracle and/or its affiliates. All rights reserved. 430N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 430N/A * This code is free software; you can redistribute it and/or modify it 430N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 430N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 430N/A * This code is distributed in the hope that it will be useful, but WITHOUT 430N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 430N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 430N/A * version 2 for more details (a copy is included in the LICENSE file that 430N/A * accompanied this code). 430N/A * You should have received a copy of the GNU General Public License version 430N/A * 2 along with this work; if not, write to the Free Software Foundation, 430N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 430N/A * This interface defines the set of calls that pipeline objects 430N/A * can use to pass on responsibility for drawing arbitrary 430N/A * parallelogram shapes. 430N/A * Six floating point numbers are provided and the parallelogram 430N/A * is defined as the quadrilateral with the following vertices: 430N/A * => (x+dx1+dx2, y+dy1+dy2) 4190N/A * The four u[xy][12] parameters are the unsorted extreme coordinates 4190N/A * of the primitive in user space. They may have been generated by a 4190N/A * line or a rectangle so they could have u[xy]2 < u[xy]1 in some cases. 4190N/A * They should be sorted before calculating the bounds of the original 4190N/A * primitive (such as for calculating the user space bounds for the 4190N/A * Paint.createContext() method). 430N/A * Draw a Parallelogram with the indicated line widths 430N/A * assuming a standard BasicStroke with MITER joins. 430N/A * lw1 specifies the width of the stroke along the dx1,dy1 430N/A * vector and lw2 specifies the width of the stroke along 430N/A * This is equivalent to outsetting the indicated 430N/A * parallelogram by lw/2 pixels, then insetting the 430N/A * same parallelogram by lw/2 pixels and filling the 430N/A * difference between the outer and inner parallelograms.