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- /* ====================================================================
- 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"));
- }
-
-
- }
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