| /* ==================================================================== |
| 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.poi.examples.hwmf; |
| |
| import java.awt.Color; |
| import java.awt.Composite; |
| import java.awt.Font; |
| import java.awt.Graphics2D; |
| import java.awt.geom.AffineTransform; |
| import java.awt.geom.Rectangle2D; |
| import java.awt.image.BufferedImage; |
| import java.io.File; |
| import java.io.IOException; |
| |
| import javax.imageio.ImageIO; |
| |
| import org.apache.poi.hwmf.draw.HwmfROP2Composite; |
| import org.apache.poi.hwmf.record.HwmfBinaryRasterOp; |
| import org.apache.poi.util.Units; |
| |
| /** |
| * Generates an image table describing the various binary raster operations |
| * |
| * inspired from http://www.fengyuan.com/sample/samplech8.html |
| */ |
| public final class ROP2Table { |
| private static final Color[] COLORS = { |
| new Color(0,0,0), |
| new Color(128,0,0), |
| new Color(0,128,0), |
| new Color(128,128,0), |
| new Color(0,0,128), |
| new Color(128,0,128), |
| new Color(0,128,128), |
| new Color(192,192,192), |
| new Color(255,255,255), |
| new Color(128,128,128), |
| new Color(255,0,0), |
| new Color(0,255,0), |
| new Color(255,255,0), |
| new Color(0,0,255), |
| new Color(255,0,255), |
| new Color(0,255,255) |
| }; |
| |
| private ROP2Table() { |
| } |
| |
| public static void main(String[] args) throws IOException { |
| int square = 800; |
| BufferedImage bi = new BufferedImage(square + 500, square, BufferedImage.TYPE_INT_ARGB); |
| Graphics2D g = bi.createGraphics(); |
| double space = 0.2; |
| double hbar = square / (COLORS.length + space); |
| double vbar = square / (COLORS.length + space); |
| double y = hbar * space; |
| double x = vbar * space; |
| double w = square - 2*x; |
| double h = square - 2*y; |
| |
| Rectangle2D vrect = new Rectangle2D.Double(x, y, vbar * (1-space), h); |
| for (Color c : COLORS) { |
| g.setColor(c); |
| g.fill(vrect); |
| g.translate(vbar, 0); |
| } |
| |
| g.setTransform(new AffineTransform()); |
| g.setFont(new Font(Font.SANS_SERIF, Font.PLAIN, (int) Units.pixelToPoints(hbar * 0.8))); |
| |
| Composite comp = g.getComposite(); |
| |
| Rectangle2D hrect = new Rectangle2D.Double(x, y, w, hbar * (1-space)); |
| int idx = 0; |
| for (HwmfBinaryRasterOp op : HwmfBinaryRasterOp.values()) { |
| g.setComposite(comp); |
| g.setColor(Color.BLACK); |
| g.drawString(op.name(), (int)(square+vbar), (int)(hbar*0.8)); |
| g.setComposite(new HwmfROP2Composite(op)); |
| g.setColor(Color.RED); |
| g.fill(hrect); |
| g.translate(0, hbar); |
| idx++; |
| } |
| |
| g.dispose(); |
| ImageIO.write(bi, "PNG", new File("rop2.png")); |
| } |
| |
| |
| } |