| /* |
| |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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. |
| |
| */ |
| package org.apache.batik.svggen; |
| |
| import java.awt.*; |
| import java.awt.geom.*; |
| |
| /** |
| * This test validates the convertion of Java 2D GradientPaints |
| * into SVG linearGradient definition and reference. |
| * |
| * @author <a href="mailto:cjolif@ilog.fr">Christophe Jolif</a> |
| * @author <a href="mailto:vhardy@eng.sun.com">Vincent Hardy</a> |
| * @version $Id$ |
| */ |
| public class Gradient implements Painter { |
| public void paint(Graphics2D g) { |
| g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, |
| RenderingHints.VALUE_ANTIALIAS_ON); |
| |
| java.awt.geom.AffineTransform defaultTransform = g.getTransform(); |
| Color labelColor = Color.black; |
| |
| // |
| // First, define cross hair marker |
| // |
| GeneralPath crossHair = new GeneralPath(); |
| crossHair.moveTo(-5, 0); |
| crossHair.lineTo(5, 0); |
| crossHair.moveTo(0, -5); |
| crossHair.lineTo(0, 5); |
| |
| // |
| // Simple test checking color values and start |
| // and end points |
| // |
| java.awt.GradientPaint gradient = new java.awt.GradientPaint(30, 40, Color.red, |
| 30, 120, Color.yellow); |
| g.setPaint(labelColor); |
| g.drawString("Simple vertical gradient", 10, 20); |
| g.setPaint(gradient); |
| g.fillRect(10, 30, 100, 100); |
| g.setPaint(labelColor); |
| g.translate(30, 40); |
| g.draw(crossHair); |
| g.setTransform(defaultTransform); |
| g.translate(30, 120); |
| g.draw(crossHair); |
| |
| g.setTransform(defaultTransform); |
| g.translate(0, 140); |
| |
| // |
| // Now, test cycling behavior |
| // |
| java.awt.GradientPaint nonCyclicGradient = new java.awt.GradientPaint(0, 0, Color.red, |
| 20, 0, Color.yellow); |
| java.awt.GradientPaint cyclicGradient = new java.awt.GradientPaint(0, 0, Color.red, |
| 20, 0, Color.yellow, true); |
| |
| g.setPaint(labelColor); |
| g.drawString("Non Cyclic / Cyclic Gradients", 10, 20); |
| |
| g.translate(10, 30); |
| |
| g.setPaint(nonCyclicGradient); |
| g.fillRect(0, 0, 100, 30); |
| |
| g.translate(0, 30); |
| g.setPaint(cyclicGradient); |
| g.fillRect(0, 0, 100, 30); |
| |
| g.setPaint(labelColor); |
| g.drawLine(0, 0, 100, 0); |
| |
| g.setTransform(defaultTransform); |
| g.translate(0, 240); |
| |
| // |
| // Now, test transformations |
| // |
| g.setPaint(labelColor); |
| g.drawString("Sheared GradientPaint", 10, 20); |
| g.translate(10, 25); |
| |
| java.awt.GradientPaint shearedGradient = new java.awt.GradientPaint(0, 0, Color.red, |
| 100, 0, Color.yellow); |
| g.setPaint(shearedGradient); |
| g.shear(0.5, 0); |
| |
| g.fillRect(0, 0, 100, 40); |
| |
| g.setTransform(defaultTransform); |
| g.translate(0, 320); |
| |
| g.setPaint(labelColor); |
| g.drawString("Opacity in stop color", 10, 20); |
| |
| java.awt.GradientPaint transparentGradient = new java.awt.GradientPaint(10, 30, new Color(255, 0, 0, 0), |
| 110, 30, Color.yellow); |
| |
| g.setPaint(transparentGradient); |
| g.fillRect(10, 30, 100, 30); |
| } |
| } |